1 2006-12-12 Olivier Hainque <hainque@adacore.com>
3 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
5 2006-12-12 Olivier Hainque <hainque@adacore.com>
7 * config/vxlib.c: Extract tls related routines into ...
8 * config/vxlib-tls.c: New file.
9 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
11 2006-12-12 Sa Liu <saliu@de.ibm.com>
12 Ben Elliston <bje@au.ibm.com>
14 * config/spu/spu.opt (mfixed-range): New option.
15 * config/spu/spu.h (spu_fixed_range_string): Declare.
16 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
17 (fix_range): New function.
18 * doc/invoke.texi (SPU Options): Document -mfixed-range.
19 * testsuite/gcc.target/spu/fixed-range.c: New.
20 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
22 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
26 * cgraphunit.c (cgraph_optimize): Remove call to
27 process_pending_assemble_externals.
29 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
31 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
33 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
34 (ia64_hpux_add_extern_decl): Removed.
35 (ia64_hpux_file_end): Likewise.
36 (extern_func_list): Likewise.
37 (extern_func_head): Likewise.
39 * output.h (assemble_external): Update comments.
40 (default_elf_asm_output_external): New.
41 (maybe_assemble_visibility): New.
43 * toplev.c (compile_file): Update comment.
45 * varasm.c (assemble_external): Always put it on
46 pending_assemble_externals.
47 (maybe_assemble_visibility): Make it extern and return int.
48 (default_elf_asm_output_external): New.
50 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
52 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
53 can't handle the pointer arithmetic.
55 2006-12-11 Diego Novillo <dnovillo@redhat.com>
57 * doc/tree-ssa.texi: Update documentation for virtual operands
58 and the use of push_stmt_changes/pop_stmt_changes.
59 * doc/invoke.texi: Remove documentation for params
61 Update documentation on max-aliased-vops.
63 * tree-into-ssa.c: Cleanup comments, variables and
64 spacing in various functions.
65 (regs_to_rename): Declare.
66 (mem_syms_to_rename): Declare.
67 (dump_update_ssa): Declare.
68 (debug_update_ssa): Declare.
69 (dump_names_replaced_by): Declare.
70 (debug_names_replaced_by): Declare.
71 (dump_def_blocks): Declare.
72 (debug_def_blocks): Declare.
73 (dump_defs_stack): Declare.
74 (debug_defs_stack): Declare.
75 (dump_currdefs): Declare.
76 (debug_currdefs): Declare.
77 (mark_def_sites): Do not handle virtual operands.
78 (compute_idf): Rename from find_idf. Update users.
79 (register_new_def): Make local. Convert second argument
81 Use BLOCK_DEFS_STACK directly.
82 If pushing a non-register, also push the underlying
84 (rewrite_stmt): Do not handle virtual operands.
85 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
86 dump_currdefs and dump_tree_ssa_stats.
87 (dump_tree_ssa_stats): Also dump REPL_TBL.
88 (replace_use): Remove. Update all users to call SET_USE
90 (rewrite_blocks): Move code to free memory to
92 (mark_def_site_blocks): Move initialization code to
94 (init_ssa_renamer): New.
95 (fini_ssa_renamer): New.
96 (rewrite_into_ssa): Call them.
97 (prepare_block_for_update): Process SSA_OP_ALL_USES first
98 and SSA_OP_ALL_DEFS later. Do not process virtual
100 (dump_update_ssa): Call dump_decl_set.
101 (init_update_ssa): Initialize regs_to_rename and
103 Call init_ssa_renamer.
104 (delete_update_ssa): Call fini_ssa_renamer.
105 Free blocks_with_phis_to_rewrite.
106 (mark_sym_for_renaming): If the variable has
107 sub-variables, also mark them.
108 If the variable belongs to a partition, also mark it.
109 (mark_set_for_renaming): Call mark_sym_for_renaming on
110 every symbol in the set.
111 (switch_virtuals_to_full_rewrite): Call
112 mark_set_for_renaming.
113 (update_ssa): Separate syms_to_rename into regs_to_rename
114 and mem_syms_to_rename.
116 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
117 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
118 (debug_generic_stmt): Likewise.
119 (debug_tree_chain): Likewise.
121 (dump_generic_node): Check for TDF_MEMSYMS.
122 Handle MEMORY_PARTITION_TAG.
123 If the statement references memory and TDF_MEMSYMS is
124 given, call dump_symbols.
125 Indicate default names with (D).
126 (dump_vops): Update for new virtual operator format.
128 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
129 tree_contains_struct.
130 (tree_code_size): Handle MEMORY_PARTITION_TAG.
131 (tree_node_structure): Likewise.
132 (needs_to_live_in_memory): Handle SSA names.
133 * tree.h (MTAG_P): Likewise.
134 (struct tree_memory_partition_tag): Declare.
135 (MPT_SYMBOLS): Define.
136 (union tree_node): Add field 'mpt'.
137 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
138 * tree.def (MEMORY_PARTITION_TAG): Define.
140 * tree-pass.h (TDF_MEMSYMS): Define.
142 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
144 * tree-ssa-alias.c: Include pointer-set.h
145 (struct alias_map_d): Remove fields total_alias_vops,
146 grouped_p and may_aliases. Update all users.
147 (struct mp_info_def): Declare.
148 (mp_info_t): New type.
149 (get_smt_for): Rename from get_tmt_for. Update all
151 (add_may_alias): Add argument ALREADY_ADDED. If given,
152 use it to avoid adding duplicate entries to alias sets.
153 (replace_may_alias): Remove. Update all users.
154 (total_alias_vops_cmp): Remove. Update all users.
155 (group_aliases_into): Remove. Update all users.
156 (tree_pointer_compare): Remove. Update all users.
157 (compact_name_tags): Remove. Update all users.
158 (group_aliases): Remove. Update all users.
159 (mark_non_addressable): Move from tree-flow-inline.h.
160 Remove the symbol from the partition holding it, if
163 (debug_mp_info): New.
165 (create_partition_for): New.
166 (rewrite_alias_set_for): New.
167 (compute_memory_partitions): New.
168 (compute_may_aliases): Call it.
169 (init_alias_info): If computing aliases for the first
170 time, mark every memory symbol for renaming.
171 (have_common_aliases_p): New.
172 (compute_flow_insensitive_aliasing): Call it.
173 (setup_pointers_and_addressables): Do not cache
175 For register promoted symbols, mark their former
176 partition for renaming.
177 (maybe_create_global_var): Only create .GLOBAL_VAR if
178 there are no call-clobbered variables and a mix of pure
179 and non-pure functions were found.
180 (may_alias_p): Tidy comments.
181 (create_tag_raw): Remove unused variable new_type.
182 (dump_alias_info): call dump_memory_partitions.
183 (dump_points_to_info_for): Call dump_decl_set.
184 (may_be_aliased): Tidy comments and formatting.
186 * timevar.def (TV_MEMORY_PARTITIONING): Define.
187 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
188 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
190 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
191 * tree-vect-transform.c (vect_transform_loop): Call
192 mark_set_for_renaming with vect_memsyms_to_rename.
193 * tree-flow-inline.h (zero_imm_uses_p): New.
194 (memory_partition): New.
195 (set_memory_partition): New.
196 (factoring_name_p): New.
197 (symbol_mem_tag): New. Update every function that used
198 to access the annotation directly.
199 (set_symbol_mem_tag): Likewise.
201 * tree-ssa-copy.c (may_propagate_copy): Allow copies
202 between a partition and a symbol as long as the symbol
203 belongs to the partition.
204 (merge_alias_info): Ignore merge requests when memory
205 partitions are involved.
207 * tree-ssa.c (verify_ssa_name): Check that default
208 definitions have empty defining statements.
209 (verify_use): Remove argument IS_VIRTUAL.
210 Don't call verify_ssa_name.
211 (verify_phi_args): Call verify_ssa_name.
212 (verify_flow_insensitive_alias_info): Handle MPTs.
213 (verify_flow_sensitive_alias_info): Likewise.
214 (verify_name_tags): Likewise.
215 (verify_call_clobbering): Likewise.
216 (verify_ssa): Check for VOPs only after aliasing
217 information is available.
218 Check virtuals and real operands separately.
219 Call verify_ssa_name on every operand.
220 (stmt_references_memory_p): Move to tree-ssa-operands.c.
221 (walk_use_def_chains_1): Guard against NULL PHI
224 * tree-ssa-operands.c (stmt_references_memory_p): Move from
227 (dump_memory_partitions): New.
228 (debug_memory_partitions): New.
230 * tree-flow.h (struct var_ann_d): Add field mpt.
231 (struct stmt_ann_d): Add bitfield references_memory.
232 * Makefile.in (tree-ssa-structalias.o): Include
234 (tree-ssa-alias.o): Likewise.
235 * tree-ssa-structalias.c: (update_alias_info): Use
236 STORED_SYMS to determine which variables are being
237 written to by the store operation.
238 * tree-ssa-structalias.h (struct alias_info)
239 <total_alias_vops>: Remove. Update all users.
240 <written_vars>: Change to a pointer set. Update all
242 <dereferenced_ptrs_store>: Likewise.
243 <dereferenced_ptrs_load>: Likewise.
244 (NUM_REFERENCES): Remove. Update all users.
245 (NUM_REFERENCES_CLEAR): Remove. Update all users.
246 (NUM_REFERENCES_INC): Remove. Update all users.
247 (NUM_REFERENCES_SET): Remove. Update all users.
249 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
251 (PARAM_MAX_ALIASED_VOPS): Set to 10.
252 * tree-ssanames.c (make_ssa_name): Initialize
253 SSA_NAME_IS_DEFAULT_DEF to 0.
255 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
257 * tree-ssa-dse.c (aggregate_vardecl_d): New.
258 (dse_global_data): Add aggregate_vardecl field.
259 (dse_possible_dead_store_p): New.
260 Add prev_defvar variable.
261 Allow immediate uses and previous immediate uses to differ
262 if they are setting different parts of the whole.
263 (get_aggregate_vardecl): New.
264 (dse_record_partial_aggregate_store): New.
265 (dse_whole_aggregate_clobbered_p): New.
266 (dse_partial_kill_p): New.
267 (dse_optimize_stmt): Abstract code checking a possible dead store
268 into new function dse_possible_dead_store_p().
269 Call dse_maybe_record_aggregate_store().
270 When checking whether a STMT and its USE_STMT refer to the
271 same memory address, check also for partial kills that clobber
273 Move some variable definitions to the block where they are used.
274 (aggregate_vardecl_hash): New.
275 (aggregate_vardecl_eq): New.
276 (aggregate_vardecl_free): New.
277 (aggregate_whole_store_p): New.
278 (tree_ssa_dse): Initialize and free aggregate_vardecl.
279 Mark which aggregate stores we care about.
281 2006-12-11 Andrew Macleod <amacleod@redhat.com>
283 * tree-ssa-operands.h (struct vuse_element_d): Declare.
284 (vuse_element_t): Declare.
285 (struct vuse_vec_d): Declare.
286 (vuse_vec_p): Declare.
287 (VUSE_VECT_NUM_ELEM): Define.
288 (VUSE_VECT_ELEMENT_NC): Define.
289 (VUSE_ELEMENT_PTR_NC): Define.
290 (VUSE_ELEMENT_VAR_NC): Define.
291 (VUSE_VECT_ELEMENT): Define.
292 (VUSE_ELEMENT_PTR): Define.
293 (VUSE_ELEMENT_VAR): Define.
294 (struct maydef_optype_d) <use_var>: Remove.
297 (struct vuse_optype_d) <kill_var>: Remove.
300 (struct mustdef_optype_d) <kill_var>: Remove.
303 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
304 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
307 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
308 (MAYDEF_OP): Add argument. Use VUSE_OP.
309 (MAYDEF_NUM): Define.
310 (MAYDEF_VECT): Define.
311 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
312 (MUSTDEF_KILL): Use VUSE_OP.
313 (MUSTDEF_NUM): Define.
314 (MUSTDEF_VECT): Define.
315 (realloc_maydef): Declare.
316 (realloc_vuse): Declare.
317 (struct ssa_operand_iterator_d) <vuse_index>: Add.
319 (LOADED_SYMS): Define.
320 (STORED_SYMS): Define.
321 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
322 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
324 * tree-pretty-print.c: Likewise.
325 * tree-ssa-dse.c: Likewise.
326 * tree-flow-inline.h: Likewise.
327 (op_iter_next_mustdef): New.
328 * tree-ssa-operands.c: Likewise.
329 (ALLOC_OPTYPE): Remove.
335 (alloc_mustdef): New.
336 (realloc_maydef): New.
339 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
341 * tree-ssa-operands.c: Remove build_v_must_defs.
342 (init_ssa_operands): Delete build_v_must_defs.
343 (finalize_ssa_v_must_def_ops): Remove.
344 (finalize_ssa_v_must_defs): Remove.
345 (finalize_ssa_stmt_operands): Do not call
346 finalize_ssa_v_must_defs.
347 (start_ssa_stmt_operands): Do not check build_v_must_defs.
348 (append_v_must_def): Delete.
349 (copy_virtual_operands): Do not copy V_MUST_DEFs.
350 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
351 comment. Remove opf_kill_def.
352 (build_ssa_operands): Remove references to v_must_defs.
353 (copy_virtual_operands): Same.
354 (copy_virtual_operands): Same.
355 (fini_ssa_operands): Same.
356 (free_ssa_operands): Same.
357 (add_mustdef_op): Remove.
358 Remove mustdef_optype_p.
359 (alloc_mustdef): Remove.
360 Remove references to V_MUST_DEFs in comment at top of file.
361 (get_expr_operands): Remove opf_kill_def.
362 (opf_kill_def): Remove.
363 (add_virtual_operand): Remove opf_kill_def.
364 (get_indirect_ref_operands): Same.
365 (get_tmr_operands): Same.
367 * tree-vectorizer.c (rename_variables_in_bb): Remove
370 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
372 (check_loop_closed_ssa_stmt): Same.
374 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
376 (verify_ssa): Remove V_MUST_DEFs traces.
377 (verify_ssa): Remove SSA_OP_ALL_KILLS.
379 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
381 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
382 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
384 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
386 (MUSTDEF_OPS): Remove.
387 (SSA_OP_VMUSTDEF): Remove.
388 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
389 (struct mustdef_optype_d): Remove.
390 Remove mustdef_optype_p.
391 (struct stmt_operands_d): Remove mustdef_ops.
392 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
393 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
394 (MUSTDEF_RESULT_PTR): Remove.
395 (MUSTDEF_RESULT): Remove.
396 (MUSTDEF_KILL_PTR): Remove.
397 (MUSTDEF_KILL): Remove.
398 (MUSTDEF_NUM): Remove.
399 (MUSTDEF_VECT): Remove.
400 (SSA_OP_VIRTUAL_KILLS): Remove.
401 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
402 (SSA_OP_VMUSTKILL): Remove.
403 (SSA_OP_ALL_KILLS): Remove.
404 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
406 * tree-flow-inline.h (op_iter_init_def): Remove
407 SSA_OP_VIRTUAL_KILLS.
408 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
410 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
411 SSA_OP_VIRTUAL_KILLS.
413 * tree-ssa-loop-im.c (determine_max_movement): Remove
414 SSA_OP_VIRTUAL_KILLS.
415 (gather_mem_refs_stmt): Same.
416 (gather_mem_refs_stmt): Same.
418 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
419 (perform_tree_ssa_dce): Remove call to
420 mark_really_necessary_kill_operand_phis.
422 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
424 (op_iter_next_use): Do not check mustkills.
425 (op_iter_next_def): Do not check mustdefs.
426 (op_iter_next_tree): Do not check mustkills or mustdefs.
427 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
428 (op_iter_next_maymustdef): Do not check mustkills.
429 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
430 (op_iter_init_mustdef): Remove.
432 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
435 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
437 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
438 (visit_assignment): Same.
440 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
442 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
444 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
446 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
447 Remove kill_p variable.
449 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
450 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
451 (collect_dfa_stats_r): Do not set num_v_must_defs.
452 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
455 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
458 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
459 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
461 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
464 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
466 PR rtl-optimization/30113
467 * loop-iv.c (implies_p): Require the mode of the operands to be
470 2006-12-11 Diego Novillo <dnovillo@redhat.com>
472 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
473 Rename from create_ssa_artficial_load_stmt. Update all users.
474 * tree-into-ssa.c (register_new_def): Make static.
475 * tree.c (is_global_var): Handle SSA_NAMEs.
476 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
477 that used to call gimple_default_def.
478 * tree-ssa-operands.c (push_stmt_changes): New.
479 (pop_stmt_changes): New. Update every pass that modifies
480 statements to bracket modifications with
481 push_stmt_changes/pop_stmt_changes.
482 (discard_stmt_changes): New.
483 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
484 'tree *' instead of 'tree'. Update all users.
485 * tree-flow-inline.h (zero_imm_uses_p): New.
486 (symbol_mem_tag): New. Update every function that used
487 to access the annotation directly.
488 (set_symbol_mem_tag): Likewise.
489 * tree-dfa.c (dump_variable): Always show the escape mask.
490 (mark_symbols_for_renaming): Rename from
491 mark_new_vars_to_rename. Update all users.
492 Only mark to rename naked symbols in real and virtual
495 2006-12-11 Andreas Schwab <schwab@suse.de>
497 * varasm.c (elf_record_gcc_switches): Cast second argument of
498 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
500 2006-12-11 Diego Novillo <dnovillo@redhat.com>
502 * tree-scalar-evolution.c (scev_const_prop):
503 * tree-phinodes.c (remove_phi_node): Add argument
504 RELEASE_LHS_P. If given, release the SSA name on the LHS of
507 * tree-ssa-dce.c: Remove forward declarations for static
508 functions. Re-arrange functions bodies as needed.
509 (find_obviously_necessary_stmts): Never mark PHI nodes as
512 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
514 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
516 2006-12-11 Jan Hubicka <jh@suse.cz>
518 * value-prof.c (tree_stringops_transform): New.
519 (tree_value_profile_transformations): Require count to be non-zero;
520 call stringop transform; reset stmt BSI after BB changed.
521 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
522 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
523 (tree_stringops_values_to_profile): New.
524 (tree_values_to_profile): Call tree_stringops_values_to_profile.
525 * tree.h (build_string_literal): Tidy prototype.
526 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
528 * builtins.c (validate_arglist, builtin_memset_read_str,
529 get_pointer_alignment): Export.
531 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
535 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
537 * config/i386/i386.opt: New target option -mx87regparm.
539 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
540 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
541 (X87_REGPARM_MAX): Define.
543 * config/i386/i386.c (override_options): Error out for
544 -mx87regparm but no 80387 support.
545 (ix86_attribute_table): Add x87regparm.
546 (ix86_handle_cconv_attribute): Update comments for x87regparm.
547 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
548 (ix86_function_x87regparm): New function.
549 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
551 (init_cumulative_args): Initialize x87_nregs and float_in_x87
553 (function_arg_advance): Process x87_nregs and x87_regno when
554 floating point argument is to be passed in 80387 register.
555 (function_arg): Pass XFmode arguments in 80387 registers for local
556 functions. Pass SFmode and DFmode arguments to local functions
557 in 80387 registers when flag_unsafe_math_optimizations is set.
559 * reg-stack.c (convert_regs_entry): Disable NaN load for
560 stack registers that are used for argument passing.
562 * doc/extend.texi: Document x87regparm function attribute.
563 * doc/invoke.texi: Document -mx87regparm.
565 2006-12-11 Jan Hubicka <jh@suse.cz>
567 Move all varpool routines out of cgraph/cgraphunit to varpool.c
568 * cgraph.c: Update comments.
569 (cgraph_varpool_hash,
570 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
571 cgraph_varpool_node_name, cgraph_varpool_node,
572 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
573 cgraph_variable_initializer_availability): Move to
574 varpool.c and drop cgraph_ prefixes.
575 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
576 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
577 move to varpool.c; drop cgraph_ prefix; make static.
578 (dump_cgraph_varpool_node): Move to varpool.c under name
580 (dump_varpool, hash_varpool_node, eq_varpool_node,
581 decide_is_variable_needed): Move to varpool.c
582 (decl_assembler_name_equal): Move to tree.c.
583 (availability_names): Rename to ...
584 (cgraph_availability_names): ... this one.
585 (dump_cgraph_node): Update.
586 * cgraph.h: Reorder declarations now in varpool.c
587 (cgraph_vailablity_names): Declare.
588 (struct cgraph_varpool_node): Rename to ...
589 (struct varpool_node): ... this one.
590 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
591 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
592 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
593 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
594 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
595 cgraph_variable_initializer_availability): Rename to ...
596 (varpool_first_unanalyzed_node, varpool_nodes_queue,
597 varpool_first_unanalyzed_node, varpool_node,
598 varpool_node_for_asm, varpool_mark_needed_node,
599 varpool_finalize_decl, varpool_enqueue_needed_node,
600 varpool_assemble_pending_decls, variable_initializer_availability):
602 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
603 * tree.h (decl_assembler_name_equal): Declare.
604 * omp-low.c (lower_omp_critical): Update.
605 * ipa-reference (analyze_variable, static_execute): Likewise.
606 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
607 * cgraphunit.c: Update comments.
608 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
609 varpool_assembled_nodes_queue.
610 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
611 varpool_analyze_pending_decls.
612 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
613 varpool_remove_unreferenced_decls.
614 (record_reference): Update.
615 (cgraph_create_edges): Update.
616 (record_referneces_in_initializer): New function.
617 (cgraph_varpool_assemble_decl): Move to varpool.c under name
618 varpool_assemble_decl; make global.
619 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
620 varpool_assemble_pending_decls.
621 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
622 struct cgraph_order_sort, cgraph_output_in_order,
623 cgraph_function_and_variable_invisibility, cgraph_optimize,
624 cgraph_increase_alignment): Update.
625 * dwarf2out.c (decls_for_scope): Likewise.
626 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
627 * except.c (output_ttype): Likewise.
628 * varasm.c (mark_decl_referenced): Likewise.
629 (find_decl_and_mark_referenced, assemble_alias): update.
630 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
631 * passes.c (rest_of_decl_compilation): Update.
633 2006-12-11 Ira Rosen <irar@il.ibm.com>
635 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
637 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
638 (vect_setup_realignment): Likewise.
640 2006-12-11 Sa Liu <saliu@de.ibm.com>
641 Ben Elliston <bje@au.ibm.com>
643 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
644 (ENDFILE_SPEC): Likewise.
645 * config/spu/spu.opt (mstdmain): New option.
646 * config/spu/crti.asm: Remove.
647 * config/spu/crtn.asm: Likewise.
648 * config/spu/crt0.c: Likewise.
649 * config/spu/crtend.c: Likewise.
650 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
652 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
653 * doc/invoke.texi (SPU Options): Document -mstdmain.
655 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
657 * doc/loop.texi: Document number_of_latch_executions and
658 number_of_cond_exit_executions.
659 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
660 chrec_is_positive, number_of_iterations_for_all_loops,
661 scev_const_prop): Use number_of_latch_executions.
662 (set_nb_iterations_in_loop): Do not increase the value of the
663 number of iterations.
664 (number_of_iterations_in_loop): Renamed to ...
665 (number_of_latch_executions): ... this.
666 (number_of_exit_cond_executions): New function.
667 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
669 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
670 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
671 number_of_latch_executions.
672 * tree-data-ref.c (get_number_of_iters_for_loop): Use
673 number_of_exit_cond_executions.
674 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
675 * cfgloop.h (struct loop): Improve description of the nb_iterations
678 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
680 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
681 (tree_pointer_compare): Remove.
683 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
685 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
686 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
687 * tree-loop-linear.c (linear_transform_loops): Ditto.
688 * tree-ssa-loop-im.c (determine_lsm): Ditto.
689 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
690 free_numbers_of_iterations_estimates): Ditto.
691 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
692 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
693 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
694 * modulo-sched.c (sms_schedule): Ditto.
695 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
696 tree_unroll_loops_completely): Ditto.
697 * predict.c (predict_loops): Ditto.
698 * tree-if-conv.c (main_tree_if_conversion): Ditto.
699 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
700 decide_unrolling_and_peeling): Ditto.
701 * cfgloopmanip.c (unloop): Use delete_loop.
702 (place_new_loop): Access larray vector instead of parray.
703 (create_preheaders, force_single_succ_latches,
704 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
705 * loop-doloop.c (doloop_optimize_loops): Ditto.
706 * loop-invariant.c (move_loop_invariants): Ditto.
707 * tree-cfg.c (replace_uses_by): Ditto.
708 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
709 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
711 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
713 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
714 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
715 get_loop and get_chrec_loop.
716 (number_of_iterations_for_all_loops): Use number_of_loops.
717 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
718 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
719 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
721 * tree-chrec.c (evolution_function_is_invariant_rec_p,
722 chrec_convert_1): Use get_loop and get_chrec_loop.
723 * loop-init.c (loop_optimizer_init): Use number_of_loops.
724 (loop_optimizer_init): Use FOR_EACH_LOOP.
725 * tree-vectorizer.c (vect_loops_num): Removed.
726 (vectorize_loops): Store number of loops locally. Use
727 FOR_EACH_LOOP and get_loop.
728 * tree-vectorizer.h (vect_loops_num): Removed.
729 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
730 (find_data_references_in_loop): Do not set parallel_p.
731 * tree-data-ref.h: Do not declare VEC(loop_p).
732 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
733 verify_loop_structure): Use FOR_EACH_LOOP.
734 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
735 (initialize_loops_parallel_p): Removed.
736 (flow_loops_find): Push the loops into a vector.
737 (delete_loop): New function.
738 (cancel_loop): Use delete_loop.
739 * cfgloop.h: Declare VEC(loop_p).
740 (struct loop): Remove parallel_p field.
741 (struct loops): Replace num and parray field by larray vector.
742 Remove shared_headers field.
743 (delete_loop): Declare.
744 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
746 * doc/loop.tex: Document new accessor functions.
748 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
750 * common.opt (-ftree-lrs): Remove live range splitting option.
751 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
752 * opts.c (decode_options): Remove flag_tree_live_range_split.
753 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
754 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
755 * tree-outof-ssa.c: Remove header files which aren't needed.
756 (SSANORM_*): Remove flags.
757 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
758 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
759 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
760 (assign_vars): Use Basevar instead of root_var structure.
761 (replace_def_variable): Dont do anything if def is replaceable.
762 (remove_ssa_form): Integrate functional changes.
763 (rewrite_out_of_ssa): Remove live-range_split option.
764 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
765 (coalesce_cost): Calculate the cost of a coalesce.
766 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
767 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
768 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
769 (pop_best_coalesce): Remove the best coalesce from the list.
770 (coalesce_pair_map_hash): Calculate coalesce pair hash.
771 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
772 (create_coalesce_list): Create a coalesce list object.
773 (delete_coalesce_list): Free a coalesce list object.
774 (find_coalesce_pair): Find matching pair in the coalesce list.
775 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
776 (add_coalesce): Add a coalesce to the coalesce list.
777 (compare_pairs): Comparision function to determine pair sorted order.
778 (num_coalesce_pairs): Number of coalesced pairs.
779 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
780 Coalesce pair iterator functions.
781 (sort_coalesce_list): Sort coalesce pairs in order of expense.
782 (dump_coalesce_list): Show coalesce list.
783 (ssa_conflicts_new): Create an SSA conflict graph.
784 (ssa_conflicts_delete): Delete an SSA conflict graph.
785 (ssa_conflicts_test_p): Test for conflicts.
786 (ssa_conflicts_add_one): Add a single conflict.
787 (ssa_conflicts_add): Add a conflict pair.
788 (ssa_conflicts_merge): Merge conflicts.
789 (struct live_track_d): Struct for tracking live partitions.
790 (new_live_track): Create new live_track object.
791 (delete_live_track): Delete a live_track object.
792 (live_track_remove_partition): Remove a partition from the live list.
793 (live_track_add_partition): Add a partition from the live list.
794 (live_track_clear_var): Take VAR from the live list.
795 (live_track_live_p): Is var live?
796 (live_track_process_use): Make var come alive.
797 (live_track_process_def): Make var go dead, add conflicts.
798 (live_track_init): Initialize to a live on exit set.
799 (live_track_clear_base_vars): Clear live partitions.
800 (build_ssa_conflict_graph): Build a conflict graph.
801 (print_exprs): Common debug output routine.
802 (abnormal_corrupt): Output info about a failed coalesce across an
804 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
805 (create_outofssa_var_map): Create a var map and coalesce list.
806 (attempt_coalesce): Coalesce a pair.
807 (coalesce_partitions): Coalesce all pairs in a coalesce list.
808 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
809 * tree-ssa-live.c: Remove header files which aren't needed.
810 (var_map_base_init): New. Initialize a basevar list.
811 (var_map_base_fini): New. Finish a basevar list.
812 (init_var_map): Initialize new fields.
813 (delete_var_map): Free new fields.
814 (var_union): Use renamed fields.
815 (compact_var_map): Remove.
816 (partition_to_view_init): Use renamed fields, change order of an if.
817 (partition_view_fini): Use renamed fields.
818 (partition_view_normal): Create basevar list if requested.
819 (partition_view_bitmap): Create a view based on a bitmap of partitions.
820 (change_partition_var): Use renamed fields.
821 (create_ssa_var_map): Remove.
822 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
823 root_var_init): Remove.
824 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
825 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
826 compare_pairs, num_coalesce_pairs, first_partition_pair,
827 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
828 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
829 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
830 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
831 (dump_var_map): Use renamed fields.
832 * tree-ssa-live.h (struct _var_map): Modify fields.
833 (partition_to_var, version_to_var, var_to_partition): Use renamed
835 (basevar_index): New. Index of the base variable of a partition.
836 (num_basevars): New. Number of unique base variables in partition map.
837 (register_ssa_partition): Use renamed fields.
838 (struct tree_partition_associator_d): Remove.
839 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
840 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
841 root_var, root_var_first_partition, root_var_next_partition,
842 root_var_dump, root_var_delete, root_var_remove_partition,
843 root_var_find, root_var_compact, root_var_decompact): Remove.
844 (struct partition_pair, struct coalesce_list_d): Moved to
846 * tree-ssa-ter.c: Remove header files which aren't needed.
848 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
850 * cse.c: (struct cse_basic_block_data): Remove LAST field.
851 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
853 (cse_visited_basic_blocks): New static bitmap.
854 (cse_end_of_basic_block, cse_basic_block): Remove.
855 (cse_find_path, cse_dump_path, cse_prescan_path,
856 cse_extended_basic_block): New static functions.
857 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
858 basic block boundaries. Don't record jump equivalences here.
859 Update the CFG after doing in-place replacement of the SET_SRC.
860 (cse_main): Rewrite. Look for extended basic block headers
861 and call cse_extended_basic_block on them until all paths that
862 start at this header are exhausted.
863 (rest_of_handle_cse): Verify that the CFG is incrementally updated
864 and correct after cse_main.
865 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
866 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
867 (pass_cse): Add TODO_verify_flow.
868 (pass_cse2): Likewise.
870 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
872 * reload1.c (choose_reload_regs): Don't set byte offset when
873 resolving subregs of hard regs.
875 2006-12-09 Zack Weinberg <zackw@panix.com>
877 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
878 suitable for the language, if set_yydebug is true.
879 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
880 YYDEBUG or declare yydebug.
881 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
883 2006-12-09 Jan Hubicka <jh@suse.cz>
885 * cgraph.c: Update copyright.
887 (cgraph_update_pending_function): Remove prototype.
888 * cgraphunit.c: Update copyright; update overall comment.
889 (cgraph_assemble_pending_functions): Make local.
891 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
893 * haifa-sched.c (schedule_block): Remove excessive sanity check.
895 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
897 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
899 (cpat_const_p, gen_cpat_const): Add.
900 * config/spu/spu.c (immediate_class): New enum.
901 (cpat_info, classify_immediate): New.
902 (print_operand): Use S, D, T instead of F, G, H. Use
903 classify_immediate. Handle cpat cases.
904 (spu_split_immediate): Renamed from spu_split_address. Split all
905 immediates that can be split.
906 (immediate_load_p): Use classify_immediate.
907 (spu_legitimate_constant_p): Accept everything except some cases of
909 (spu_expand_move): Use spu_split_immedate.
910 (fsmbi_const_p): Use classify_immediate.
912 (gen_cpat_const: New.
913 * config/spu/constraints.md (j,k,l): New constraints for cpat
915 * config/spu/spu.md (unnamed splitter): Change address splitter to
916 handle all immediates.
917 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
919 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
922 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
925 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
926 patterns. Correct length of high:DI instruction sequence.
928 2006-12-08 Mike Stump <mrs@apple.com>
930 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
931 libgcc with -mmacosx-version-min=10.4.
932 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
933 G4 for 10.5+ unless doing kernel builds.
935 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
938 * reg-stack.c (convert_regs_entry): Mark current argument passing
941 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
942 of float arguments in x87 registers.
944 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
946 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
948 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
950 * recog.c (mode_dependent_address_p): Identify pre-increment,
951 pre-decrement, post-increment and post-decrement addressing as always
952 being mode-dependent.
953 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
954 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
955 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
956 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
957 PRE_INC and POST_INC checks.
958 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
959 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
960 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
961 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
962 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
963 PRE_INC, POST_DEC and POST_INC cases.
964 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
965 Delete POST_INC and PRE_DEC cases.
966 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
968 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
969 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
971 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
972 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
973 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
974 PRE_INC and PRE_DEC cases.
975 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
976 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
977 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
978 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
979 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
980 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
981 auto-increment cases.
982 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
983 auto-increment cases.
984 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
986 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
988 * Makefile.in: Add new file tree-ssa-ter.c.
989 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
990 free_temp_expr_table, add_value_to_version_list,
991 add_value_to_partition_list, remove_value_from_partition_list,
992 add_dependence, check_replaceable, finish_expr, mark_replaceable,
993 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
994 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
995 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
997 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
998 (struct value_expr_d): Remove.
999 (struct temp_expr_table_d): Rename fields, add explicit vector of
1000 replaceable expressions instead of sharing. Change value_expr_p's to
1001 bitmap. Delete free_list.
1002 (new_temp_expr_table): Rename fields, count number of ssa_names in
1004 (free_temp_expr_table): Rename field, free new fields.
1005 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1006 add_info_to_list, remove_value_from_list): Delete.
1007 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1008 (make_dependent_on_partition): New. Set bit in version list, allocating
1009 a bitmap if need be.
1010 (add_to_partition_kill_list): New. Set bit in the partition list,
1011 allocating a bitmap if need be.
1012 (remove_from_partition_kill_list): New. Remove a bit from the
1013 partition list, free the bitmap if it is empty.
1014 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1015 on partitions with only one member.
1016 (is_replaceable_p): New. Split out replaceability check from
1018 (process_replaceable): New. Code split from check_replaceable.
1019 (check_replaceable): Removed.
1020 (finished_with_expr): Renamed from finish_expr.
1021 (kill_expr): Use renamed fields and less parameters.
1022 (kill_virtual_exprs): Less parameters.
1023 (mark_replaceable): Use renamed fields.
1024 (find_replaceable_in_bb): Use renamed fields, cleanup.
1025 (find_replaceable_exprs): Use renamed routines, cleanup.
1026 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1027 (debug_ter): New. Debug routine to dump state.
1029 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1031 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1032 anything involving the GOT.
1033 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1034 (trapping_loads_p): Look inside the pattern of an insn to find the
1036 * config/bfin/bfin.md (attr "type"): Add movcc.
1037 (insn_reservation "alu"): Likewise.
1038 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1040 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1042 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1043 (spu_resolve_overloaded_builtin): Check for non scalar instead
1044 of vector type and check the function call argument type also for
1046 Call build_function_call instead of spu_build_overload_builtin.
1048 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1050 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1051 to the calls of hwint_to_const_double.
1053 2006-12-07 Nick Clifton <nickc@redhat.com>
1055 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1056 elf_record_gcc_switches.
1058 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1060 * expr.c (string_constant): Account for non-zero lower bound arrays.
1062 2006-12-07 Richard Guenther <rguenther@suse.de>
1064 * builtins.c (expand_builtin_pow): Adjust predicates for
1065 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1068 2006-12-07 Jan Hubicka <jh@suse.cz>
1070 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1073 2006-12-07 Jan Hubicka <jh@suse.cz>
1075 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1076 use fold_constant_to_binary; tolerate wrong type constants.
1077 (value_intersect_p): Do just two tests.
1079 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1081 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1082 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1083 lshifthi3): Use it, and fix the order of alternatives.
1085 2006-12-07 Nick Clifton <nickc@redhat.com>
1087 * common.opt (record-gcc-switches): New command line switch.
1088 * target.h (print_switch_type): New enum.
1089 (print_switch_fn_type): New typedef for a function pointer.
1090 (struct gcc_target): Add record_gcc_switches and
1091 record_gcc_switches_section fields.
1092 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1094 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1096 * toplev.c (print_single_switch): Simplify by providing a
1097 pointer to function that will format and output the switch
1099 (print_switch_values): Likewise.
1100 (print_to_asm_out_file): New function.
1101 (print_to_stderr): New function.
1102 (init_asm_output): If flag_record_gcc_switches is set then if
1103 the target supports recording the switches then emit them into
1104 the assembler output file, otherwise tell the user that the
1105 switch is not supported.
1106 * varasm.c (eld_record_gcc_switches): New function. Example
1107 handler for the record_gcc_switches target hook.
1108 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1110 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1111 * doc/invoke.texi (-frecord-gcc-switches): Document.
1113 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1116 * sched-rgn.c (add_block1): Use correct initializer.
1118 2006-12-07 Richard Guenther <rguenther@suse.de>
1120 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1121 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1123 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1126 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1127 not GIMPLE_MODIFY_STMT.
1129 2006-12-06 Jan Hubicka <jh@suse.cz>
1131 * tree-vrp.c (operand_less_p): New.
1132 (compare_values, value_inside_range): Rewrite in terms of
1135 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1137 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1139 (length_immediate): Do not depend on cld type attribute.
1140 (length_address): Ditto.
1143 (cld): Remove insn pattern.
1144 (strmov_singleop): Do not use DIRFLAG_REG.
1145 (*strmovdi_rex_1): Ditto.
1146 (*strmovsi_1): Ditto.
1147 (*strmovsi_rex_1): Ditto.
1148 (*strmovhi_1): Ditto.
1149 (*strmovhi_rex_1): Ditto.
1150 (*strmovqi_1): Ditto.
1151 (*strmovqi_rex_1): Ditto.
1153 (*rep_movdi_rex64): Ditto.
1154 (*rep_movsi): Ditto.
1155 (*rep_movsi_rex64): Ditto.
1156 (*rep_movqi): Ditto.
1157 (*rep_movqi_rex64): Ditto.
1158 (strset_singleop): Ditto.
1159 (*strsetdi_rex_1): Ditto.
1160 (*strsetsi_1): Ditto.
1161 (*strsetsi_rex_1): Ditto.
1162 (*strsethi_1): Ditto.
1163 (*strsethi_rex_1): Ditto.
1164 (*strsetqi_1): Ditto.
1165 (*strsetqi_rex_1): Ditto.
1167 (*rep_stosdi_rex64): Ditto.
1168 (*rep_stossi): Ditto.
1169 (*rep_stossi_rex64): Ditto.
1170 (*rep_stosqi): Ditto.
1171 (*rep_stosqi_rex64): Ditto.
1172 (cmpstrnsi): Do not generate cld insn.
1173 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1174 (*cmpstrnqi_nz_1): Ditto.
1175 (*cmpstrnqi_nz_rex_1): Ditto.
1176 (cmpstrnqi_1): Ditto.
1177 (*cmpstrnqi_1): Ditto.
1178 (*cmpstrnqi_rex_1): Ditto.
1179 (strlenqi_1): Ditto.
1180 (*strlenqi_1): Ditto.
1181 (*strlenqi_rex_1): Ditto.
1183 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1184 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1185 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1187 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1188 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1190 (k6_alux_only_load): Ditto.
1191 (k6_alux_only_store): Ditto.
1193 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1194 Do not emit cld instruction.
1195 (ix86_expand_setmem): Ditto.
1196 (ix86_expand_strlen): Do not emit cld instruction.
1198 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1200 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1203 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1205 * gdbinit.in: Set complaints to 0.
1207 2006-12-06 Jan Hubicka <jh@suse.cz>
1209 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1210 ALONE_MEM_STAT_DECL): New macros.
1211 * bitmap.h: Include statistics.h
1212 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1213 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1214 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1215 * bitmap.c: Include hashtab.h
1216 (bitmap_descriptor): New.
1217 (bitmap_hash): New static variable
1218 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1219 New static functions.
1220 (bitmap_register): New.
1221 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1222 bitmap_obstack_release): Do accounting.
1223 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1225 (bitmap_gc_alloc_stat): Likewise.
1226 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1227 (print_statistics, dump_bitmap_statistics): New functions.
1228 * toplev.c (finalize): Dump bitmap statistics.
1230 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1232 * reload1.c (delete_output_reload): Count occurrences in
1233 CALL_INSN_FUNCTION_USAGE.
1234 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1235 crashing at the end of the list.
1237 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1239 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1240 Optimize to avoid marking more SMT's as used when they aren't.
1242 2006-12-05 Eric Christopher <echristo@apple.com>
1244 * config/i386/i386.c (x86_output_aligned_bss): Move out
1245 of COMMON_ASM_OP ifdef.
1247 2006-12-05 Eric Christopher <echristo@apple.com>
1249 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1250 (STARTFILE_SPEC): Use.
1251 (DARWIN_DYLIB1_SPEC): New.
1252 (DARWIN_CRT1_SPEC): New.
1253 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1255 * config/i386/darwin.h: Ditto.
1256 * config/rs6000/darwin.h: Ditto.
1258 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1260 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1261 * tree-complex.c (pass_lower_complex): Ditto.
1262 * tree-ssa-ccp.c (pass_ccp): Ditto.
1263 (pass_store_ccp): Ditto.
1264 * tree-ssa-dom.c (pass_dominator): Ditto.
1265 (pass_phi_only_cprop): Ditto.
1266 * tree-sra.c (pass_sra): Ditto.
1267 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1268 * tree-flow.h (updating_used_alone): Remove.
1269 (updating_used_alone): Ditto.
1270 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1271 (lhs_may_store_to): Remove function.
1272 (recalculate_used_alone): Ditto.
1273 (compute_may_aliases): Remove used_alone calculation.
1274 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1275 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1276 * tree-pass.h (PROP_smt_usage): Remove.
1277 * passes.c (execute_todo): Remove used alone recalculation.
1278 (execute_one_pass): Ditto.
1279 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1282 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1284 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1286 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1288 PR tree-optimization/14784
1289 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1291 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1293 Merge from gimple-tuples-branch.
1295 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1297 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1299 (s390_gimplify_va_arg): Same.
1300 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1301 * config/sh/sh.c (sh_va_start): Same.
1302 (sh_gimplify_va_arg_expr): Same.
1303 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1304 (xtensa_gimplify_va_arg_expr): Same.
1305 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1306 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1307 * config/mips/mips.c (mips_va_start): Same.
1308 (mips_gimplify_va_arg_expr): Same.
1310 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1312 * Merge from mainline at revision 119445.
1314 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1316 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1318 (spu_gimplify_va_arg_expr): Same.
1320 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1322 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1323 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1324 (xstormy16_expand_builtin_va_arg): Same.
1326 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1328 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1329 to GIMPLE_MODIFY_STMT.
1331 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1333 * config/alpha/alpha.c (va_list_skip_additions): Change all
1334 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1335 (alpha_va_start): Same.
1336 (alpha_gimplify_va_arg_1): Same.
1337 (alpha_gimplify_va_arg): Same.
1339 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1341 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1343 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1345 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1346 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1348 * tree-complex.c: Same.
1349 * tree-pretty-print.c: Same.
1353 * fold-const.c: Same.
1354 * tree-ssa-dom.c: Same.
1355 * tree-ssa-propagate.c: Same.
1356 * tree-ssa-alias.c: Same.
1357 * gimple-low.c: Same.
1358 * dwarf2out.c: Same.
1359 * c-pretty-print.c: Same.
1361 * tree-inline.c: Same.
1362 * tree-outof-ssa.c: Same.
1363 * tree-ssa-structalias.c: Same.
1364 * tree-ssa-reassoc.c: Same.
1367 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1369 * tree.c (build2_stat): Fix comment.
1371 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1373 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1374 TREE_OPERAND when appropriate.
1376 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1378 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1379 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1380 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1381 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1382 not handle GIMPLE_MODIFY_STMT in the switch statement.
1383 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1384 (java_gimplify_new_array_init): Same.
1386 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1388 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1389 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1390 * fold-const.c (fold_binary): Allow gimple statements.
1392 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1393 Rename from gfc_conv_descriptor_data_set.
1394 Call gfc_add_modify instead of gfc_add_modify_expr.
1395 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1396 Rename from gfc_conv_descriptor_data_set.
1397 (gfc_conv_descriptor_data_set): New macro.
1398 (gfc_conv_descriptor_data_set_tuples): New macros.
1399 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1400 gfc_conv_descriptor_data_set_tuples.
1401 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1402 Generate GIMPLE_MODIFY_STMT when appropriate.
1403 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1404 (gfc_add_modify_expr): New macro.
1405 (gfc_add_modify_stmt): New macro.
1406 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1408 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1410 * Merge from mainline at revision 118200.
1412 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1414 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1417 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1419 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1421 Also, add __extension__ to GCC versions.
1422 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1423 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1426 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1428 * tree-complex.c (expand_complex_libcall): Adjust for
1430 (expand_complex_comparison): Same.
1431 * tree-pretty-print.c (dump_generic_node): Is_expr should include
1432 GIMPLE_STMT_P statements.
1433 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
1435 (tree_mod_pow2_value_transform): Same.
1436 (tree_mod_subtract_transform): Same.
1437 * tree.c (build2_stat): Check for gimplified function in cfun.
1438 * tree.h (DECL_GIMPLIFIED): Delete.
1439 (struct tree_function_decl): Remove gimplified_flag.
1440 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
1441 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
1442 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
1443 (cxx_omp_clause_copy_ctor): Same.
1444 (cxx_omp_clause_assign_op): Same.
1445 * c-pretty-print.c (pp_c_conditional_expression): Same.
1446 (pp_c_expression): Same.
1447 * langhooks.c (lhd_omp_predetermined_sharing): Same.
1448 * function.h (struct function): Add gimplified field.
1449 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
1451 (find_phi_replacement_condition): Same.
1452 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
1453 (gimplify_modify_expr_to_memset): Same.
1454 (gimplify_init_ctor_eval_range): Same.
1455 (gimplify_modify_expr_complex_part): Same.
1456 (tree_to_gimple_tuple): Same.
1457 (gimplify_modify_expr): Same.
1458 (gimple_push_cleanup): Same.
1459 (gimplify_omp_for): Same.
1460 (gimplify_omp_atomic_pipeline): Same.
1461 (gimplify_omp_atomic_mutex): Same.
1462 (gimplify_expr): Same.
1463 (gimplify_one_sizepos): Same.
1464 (gimplify_function_tree): Same.
1465 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
1466 (vect_recog_widen_sum_pattern): Same.
1467 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
1468 (vect_create_epilog_for_reduction): Same.
1469 (vectorizable_reduction): Same.
1471 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
1473 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
1474 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
1475 (ifc_temp_var): Same.
1476 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
1477 for gimple statements.
1478 (vect_analyze_operations): Same.
1479 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
1480 * gimplify.c (gimplify_return_expr): Handle gimple statements.
1481 * lambda-code.c (can_put_in_inner_loop): Same.
1482 (can_put_after_inner_loop): Same.
1483 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1484 (vect_create_data_ref_ptr): Same.
1485 (vect_init_vector): Same.
1486 (vect_get_vec_def_for_operand): Same.
1487 (vect_create_epilog_for_reduction): Same.
1488 (vectorizable_reduction): Same.
1489 (vectorizable_assignment): Same.
1490 (vectorizable_operation): Same.
1491 (vectorizable_load): Same.
1492 (vectorizable_condition): Same.
1493 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
1494 (rs6000_gimplify_va_arg): Same.
1496 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
1498 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
1499 GIMPLE_STMT_OPERAND.
1500 (simplify_abs_using_ranges): Same.
1501 * tree-complex.c (expand_complex_operations_1): Use
1502 PROTECTED_TREE_OPERAND.
1503 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
1505 (get_val_for): Use GIMPLE_STMT_OPERAND.
1506 * tree-tailcall.c (adjust_accumulator_values): Same.
1507 (adjust_return_value): Same.
1508 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
1509 case. Remove special case for tcc_gimple_stmt.
1510 * tree.h (CAN_HAVE_LOCATION_P): New.
1511 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
1513 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
1514 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
1515 * tree-nrv.c (execute_return_slot_opt): Same.
1516 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
1517 * tree-vn.c (set_value_handle): Same.
1518 (get_value_handle): Same.
1519 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
1520 * tree-vectorizer.c (find_loop_location): Same.
1521 * c-typeck.c (c_process_expr_stmt): Same.
1522 (c_finish_stmt_expr): Same.
1523 * gimplify.c (should_carry_locus_p): Same.
1524 (tree_to_gimple_tuple): Delete definition and use of unecessary
1525 variable save_tree_block.
1526 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
1527 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
1528 (realify_fake_stores): Same.
1529 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
1531 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
1532 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
1533 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
1534 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
1535 (c_parser_statement_after_labels): Same.
1536 (c_parser_paren_condition): Same.
1537 (c_parser_for_statement): Same.
1538 (c_parser_omp_for_loop): Same.
1539 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
1540 (linearize_expr_tree): Same.
1541 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
1542 * function.c (instantiate_expr): Same.
1544 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
1546 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
1547 (set_expr_location): Same.
1549 (set_expr_locus): Same.
1550 (expr_filename): Same.
1551 (expr_lineno): Same.
1552 (tree_block): Use GIMPLE_STMT_BLOCK.
1553 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
1554 * tree.h (struct gimple_stmt): Remove prev and next.
1555 (GIMPLE_STMT_OPERAND_CHECK): New.
1556 (TREE_TO_GIMPLE_STMT): Delete.
1557 (GIMPLE_STMT_TO_TREE): Delete.
1558 (GIMPLE_STMT_OPERAND): Use union, not cast.
1559 (GIMPLE_STMT_LOCUS): New.
1560 (GIMPLE_STMT_BLOCK): New.
1561 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
1563 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1565 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1567 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1569 * tree-tailcall.c (adjust_return_value): Same.
1570 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
1571 (copy_node_stat): Change common.base to base.
1572 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
1573 Remove GIMPLE_STATEMENT_LIST case.
1574 * tree.h (struct gimple_stmt): Make operands of type tree.
1575 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1576 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1577 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1578 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1579 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
1580 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1581 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1582 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
1583 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
1584 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
1585 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1586 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
1587 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
1588 Change common.base to base.
1589 (GIMPLE_STATEMENT_LIST*): Remove.
1590 (union tree_node): Add base. Remove gimple_statement_list.
1591 Remove pointer from gstmt.
1592 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
1593 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
1594 * tree-vn.c (vn_compute): Change common.base to base.
1595 * tree-eh.c (verify_eh_throw_stmt_node): Same.
1596 * tree-flow-inline.h (var_ann): Same.
1597 (function_ann): Same.
1599 (mark_non_addressable): Same.
1600 * gimplify.c (tree_to_gimple_tuple): Same.
1601 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
1602 * tree-dfa.c (create_var_ann): Change common.base to base.
1603 (create_function_ann): Same.
1604 (create_stmt_ann): Same.
1605 (create_tree_ann): Same.
1606 (collect_dfa_stats_r): Same.
1607 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
1608 * tree-ssa-dce.c (NECESSARY): Same.
1609 * tree-ssa.c (delete_tree_ssa): Same.
1610 * tree-optimize.c (execute_free_cfg_annotations): Same.
1611 * tree-flow.h: Same.
1613 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
1615 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
1616 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
1618 * tree.h (struct gimple_stmt): Add prev and next fields.
1619 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
1620 (GIMPLE_STATEMENT_LIST_HEAD): New.
1621 (GIMPLE_STATEMENT_LIST_TAIL): New.
1622 (struct gimple_statement_list): New.
1623 (union tree_node): Add gimple_stmt_list and gstmt.
1624 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
1625 * tree.def: Add GIMPLE_STATEMENT_LIST.
1627 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
1629 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
1630 * tree-vrp.c (build_assert_expr_for): Change uses of
1631 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1632 (find_assert_locations): Same.
1633 (remove_range_assertions): Same.
1634 (stmt_interesting_for_vrp): Same.
1635 (vrp_visit_assignment): Same.
1636 (vrp_visit_stmt): Same.
1637 (simplify_cond_using_ranges): Same.
1638 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
1640 * tree-ssa-loop-im.c (movement_possibility): Change uses of
1641 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1643 (determine_invariantness_stmt): Same.
1644 (schedule_sm): Same.
1645 (gather_mem_refs_stmt): Same.
1646 * tree-complex.c (init_dont_simulate_again): Same.
1647 (complex_visit_stmt): Same.
1648 (set_component_ssa_name): Same.
1649 (expand_complex_move): Same.
1650 (expand_complex_div_wide): Same.
1651 (expand_complex_comparison): Same.
1652 (expand_complex_operations_1): Same.
1653 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
1654 (chain_of_csts_start): Same.
1655 (infer_loop_bounds_from_undefined): Same.
1656 * tree-pretty-print.c (dump_generic_node): Same.
1658 (op_symbol_1): Same.
1659 * tree-ssa-loop-manip.c (create_iv): Same.
1660 * value-prof.c (tree_divmod_fixed_value): Same.
1661 (tree_divmod_fixed_value_transform): Same.
1662 (tree_mod_pow2): Same.
1663 (tree_mod_pow2_value_transform): Same.
1664 (tree_mod_subtract): Same.
1665 (tree_mod_subtract_transform): Same.
1666 (tree_divmod_values_to_profile): Same.
1667 * tree-tailcall.c (process_assignment): Same.
1668 (find_tail_calls): Same.
1669 (adjust_accumulator_values): Same.
1670 (adjust_return_value): Same.
1671 (eliminate_tail_call): Same.
1672 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
1673 (make_node_stat): Same.
1674 (copy_node_stat): Handle gimple tuples.
1675 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
1676 (tree_node_structure): Handle tcc_gimple_stmt.
1677 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
1679 (build2_gimple_stat): New.
1680 (expr_location): New.
1681 (set_expr_location): New.
1682 (expr_has_location): New.
1684 (set_expr_locus): New.
1685 (expr_filename): New.
1687 (walk_tree): Handle tcc_gimple_stmt.
1689 (protected_tree_operand): New.
1690 (protected_tree_type): New.
1691 (tree_code_kind): Add gimple statements.
1692 * tree.h (tree_code_class): Add tcc_gimple_stmt.
1693 (IS_GIMPLE_STMT_CODE_CLASS): New.
1694 (struct tree_base): New.
1695 (struct tree_common): Shrink.
1696 (struct gimple_stmt): New.
1697 (struct gimple_expr): New.
1698 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1699 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1700 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1701 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1702 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
1703 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1704 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1705 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
1706 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
1707 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
1708 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
1709 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1710 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
1711 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
1712 Adjust for new `common' layout.
1713 (struct tree_function_decl): Add gimplified_flag.
1714 (DECL_GIMPLIFIED): NEW.
1715 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
1716 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
1717 EXPR_HAS_LOCATION): Call corresponding function.
1718 (GIMPLE_STMT_CHECK): New.
1719 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
1720 (TREE_BLOCK): Call tree_block.
1721 (GIMPLE_STMT_P): New.
1722 (GIMPLE_TUPLE_P): New.
1723 (TREE_TO_GIMPLE_STMT): New.
1724 (GIMPLE_STMT_TO_TREE): New.
1725 (GIMPLE_STMT_OPERAND): New.
1726 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
1727 (PROTECTED_TREE_OPERAND): New.
1728 (PROTECTED_TREE_TYPE): New.
1729 (build2_gimple_stat): Protoize.
1730 (build2_gimple): New.
1731 (expr_location): Protoize.
1732 (set_expr_location): Protoize.
1733 (expr_has_location): Protoize.
1734 (expr_locus): Protoize.
1735 (set_expr_locus): Protoize.
1736 (expr_filename): Protoize.
1737 (expr_lineno): Protoize.
1738 (tree_block): Protoize.
1739 (protected_tree_operand): Protoize.
1740 (protected_tree_type): Protoize.
1741 (enum tree_node_kind): Add gimple_stmt_kind.
1742 * c-decl.c (union lang_tree_node): Tuples do not have a
1744 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
1745 GIMPLE_MODIFY_STMT and adjust accordingly.
1746 * tree-scalar-evolution.c (follow_ssa_edge): Same.
1747 (interpret_condition_phi): Same.
1748 (pointer_used_p): Same.
1749 (analyze_scalar_evolution_1): Same.
1750 (scev_const_prop): Same.
1751 (interpret_rhs_modify_stmt): Rename from
1752 interpret_rhs_modify_expr.
1753 * builtins.c (std_expand_builtin_va_start): Change uses of
1754 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1755 (std_gimplify_va_arg_expr): Same.
1756 (expand_builtin_va_copy): Same.
1757 (integer_valued_real_p): Same.
1758 * fold-const.c (maybe_lvalue_p): Same.
1760 (tree_expr_nonnegative_p): Same.
1761 (tree_expr_nonzero_p): Same.
1762 * omp-low.c (extract_omp_for_data): Same.
1763 (lower_rec_input_clauses): Same.
1764 (lower_reduction_clauses): Same.
1765 (lower_copyprivate_clauses): Same.
1766 (lower_send_clauses): Same.
1767 (lower_send_shared_vars): Same.
1768 (expand_parallel_call): Same.
1769 (expand_omp_parallel): Same.
1770 (expand_omp_for_generic): Same.
1771 (expand_omp_for_static_nochunk): Same.
1772 (expand_omp_for_static_chunk): Same.
1773 (expand_omp_sections): Same.
1774 (lower_omp_single_copy): Same.
1775 (lower_omp_parallel): Same.
1776 * tree-ssa-dse.c (memory_address_same): Same.
1777 (dse_optimize_stmt): Same.
1778 * ipa-reference.c (scan_for_static_refs): Same.
1779 * tree-gimple.c (is_gimple_reg_rhs): Same.
1780 (get_call_expr_in): Same.
1781 (recalculate_side_effects): Same.
1782 * cgraphunit.c (cgraph_create_edges): Same.
1783 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
1784 * tree-ssa-ccp.c (get_default_value): Same.
1785 (likely_value): Same.
1786 (visit_assignment): Same.
1787 (ccp_visit_stmt): Same.
1788 (get_maxval_strlen): Same.
1789 (ccp_fold_builtin): Same.
1790 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
1791 (find_givs_in_stmt): Same.
1792 (find_interesting_uses_op): Same.
1793 (find_interesting_uses_stmt): Same.
1794 (rewrite_use_nonlinear_expr): Same.
1795 * ipa-pure-const.c (scan_function): Same.
1796 * tree-stdarg.c (va_list_counter_bump): Same.
1797 (check_all_va_list_escapes): Same.
1798 (execute_optimize_stdarg): Same.
1799 * tree-ssa-math-opts.c (compute_merit): Same.
1800 (insert_reciprocals): Same.
1801 (execute_cse_reciprocals): Same.
1802 * tree-ssa-dom.c (initialize_hash_element): Same.
1803 (simple_iv_increment_p): Same.
1804 (record_equivalences_from_stmt): Same.
1805 (optimize_stmt): Same.
1806 (remove_stmt_or_phi): Same.
1807 (get_rhs_or_phi_arg): Same.
1808 (get_lhs_or_phi_result): Same.
1809 (propagate_rhs_into_lhs): Same.
1810 * tree-nrv.c (tree_nrv): Same.
1811 (execute_return_slot_opt): Same.
1812 * tree-ssa-propagate.c (get_rhs): Same.
1814 (stmt_makes_single_load): Same.
1815 (stmt_makes_single_store): Same.
1816 (replace_vuses_in): Same.
1817 (fold_predicate_in): Same.
1818 (substitute_and_fold): Same.
1819 * tree-ssa-alias.c (compute_call_clobbered): Same.
1820 (recalculate_used_alone): Same.
1821 (count_uses_and_derefs): Same.
1822 (is_escape_site): Same.
1823 (find_used_portions): Same.
1824 * gimple-low.c (lower_stmt): Same.
1825 (block_may_fallthru): Same.
1826 (lower_return_expr): Same.
1827 * tree-ssa-sink.c (is_hidden_global_store): Same.
1828 (statement_sink_location): Same.
1829 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
1830 * expr.c (safe_from_p): Same.
1831 (expand_expr_real): Same.
1832 (expand_expr_real_1): Same.
1833 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
1834 * predict.c (expr_expected_value): Same.
1835 (strip_builtin_expect): Same.
1836 (apply_return_prediction): Same.
1837 (tree_bb_level_predictions): Same.
1838 (tree_estimate_probability): Same.
1839 * tree-vn.c (vn_compute): Same.
1840 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
1841 (remove_stmt_from_eh_region_fn): Same.
1842 (do_return_redirection): Same.
1843 (honor_protect_cleanup_actions): Same.
1844 (lower_try_finally_switch): Same.
1845 (lower_eh_constructs_1): Same.
1846 (tree_could_throw_p): Same.
1847 (verify_eh_throw_stmt_node): Same.
1848 * function.c (gimplify_parameters): Same.
1849 * tree-vectorizer.c (vect_is_simple_use): Same.
1850 (vect_is_simple_reduction): Same.
1851 * ipa-type-escape.c (scan_for_refs): Same.
1852 * tree-if-conv.c (tree_if_conversion): Same.
1853 (tree_if_convert_stmt): Same.
1854 (if_convertible_gimplify_modify_stmt_p): Rename from
1855 if_convertible_modify_expr_p.
1856 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
1857 (ifc_temp_var): Same.
1858 (replace_phi_with_cond_modify_stmt): Rename from
1859 replace_phi_with_cond_modify_expr.
1860 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
1861 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
1862 * tree-data-ref.c (find_data_references_in_loop): Adjust for
1864 * tree-flow-inline.h (var_ann): Same.
1865 (function_ann): Same.
1867 (mark_non_addressable): Same.
1868 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
1869 * gimplify.c (tree_to_gimple_tuple): New.
1870 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
1871 (gimplify_return_expr): Same.
1872 (gimplify_decl_expr): Same.
1873 (gimplify_self_mod_expr): Same.
1874 (gimplify_cond_expr): Same.
1875 (gimplify_init_constructor): Same.
1876 (gimplify_modify_expr): Same.
1877 (gimplify_expr): Same.
1878 (gimplify_function_tree): Same.
1879 (force_gimple_operand): Same.
1880 * tree-ssa-phiopt.c (conditional_replacement): Same.
1881 (minmax_replacement): Same.
1882 (abs_replacement): Same.
1883 * tree-dfa.c (create_var_ann): Same.
1884 (create_function_ann): Same.
1885 (create_stmt_ann): Same.
1886 (create_tree_ann): Same.
1887 (collect_dfa_stats_r): Same.
1888 * tree-ssa-pre.c (find_or_generate_expression): Same.
1889 (create_expression_by_pieces): Same.
1890 (try_look_through_load): Same.
1891 (insert_fake_stores): Same.
1892 (realify_fake_stores): Same.
1893 (compute_avail): Same.
1896 (poolify_modify_stmt): Rename from poolify_modify_stmt.
1897 Adjust for GIMPLE_MODIFY_STMT.
1898 (NECESSARY): Adjust for new `common' layout.
1899 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
1901 * tree-sra.c (sra_walk_modify_stmt): Rename from
1902 sra_walk_modify_expr.
1903 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
1904 (generate_copy_inout): Same.
1905 (generate_element_copy): Same.
1906 (generate_element_zero): Same.
1907 (scalarize_copy): Same.
1908 * tree-mudflap.c (mf_decl_cache_locals): Same.
1909 (mf_build_check_statement_for): Same.
1910 (mf_xform_derefs): Same.
1911 * ipa-prop.c (ipa_method_modify_stmt): Same.
1912 * print-tree.c (print_node): Handle gimple tuples.
1913 Add case for tcc_gimple_stmt.
1914 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
1916 (copy_prop_visit_assignment): Same.
1917 (copy_prop_visit_stmt): Same.
1918 (init_copy_prop): Same.
1919 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
1920 (forward_propagate_into_cond_1): Same.
1921 (find_equivalent_equality_comparison): Same.
1922 (tidy_after_forward_propagate_addr): Same.
1923 (forward_propagate_addr_expr_1): Same.
1924 (simplify_not_neg_expr): Same.
1925 (simplify_switch_expr): Same.
1926 * tree-ssa-dce.c (find_pdom): Same.
1927 (mark_stmt_if_obviously_necessary): Same.
1928 (NECESSARY): Adjust for new `common' layout.
1929 * tree-flow.h: Same.
1930 * tree-vect-patterns.c (widened_name_p): Adjust for
1932 (vect_recog_dot_prod_pattern): Same.
1933 (vect_recog_widen_sum_pattern): Same.
1934 (vect_pattern_recog_1): Same.
1935 * tree-nested.c (init_tmp_var): Same.
1936 (save_tmp_var): Same.
1938 (convert_call_expr): Same.
1939 (finalize_nesting_tree_1): Same.
1940 * tree-ssa.c (verify_ssa): Same.
1941 (delete_tree_ssa): Same.
1942 * lambda-code.c (lbv_to_gcc_expression): Same.
1943 (lle_to_gcc_expression): Same.
1944 (lambda_loopnest_to_gcc_loopnest): Same.
1945 (can_put_in_inner_loop): Same.
1946 (can_convert_to_perfect_nest): Same.
1947 (perfect_nestify): Same.
1948 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
1949 * tree-inline.c (copy_body_r): Same.
1950 (setup_one_parameter): Same.
1951 (initialize_inlined_parameters): Same.
1952 (estimate_num_insns_1): Same.
1953 (expand_call_inline): Same.
1954 (gimple_expand_calls_inline): Same.
1955 (copy_tree_r): Same.
1956 * tree-optimize.c (execute_free_cfg_annotations): Same.
1957 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1958 (vect_align_data_ref): Same.
1959 (vect_create_data_ref_ptr): Same.
1960 (vect_init_vector): Same.
1961 (vect_create_epilog_for_reduction): Same.
1962 (vectorizable_reduction): Same.
1963 (vectorizable_assignment): Same.
1964 (vectorizable_operation): Same.
1965 (vectorizable_store): Same.
1966 (vectorizable_load): Same.
1967 (vectorizable_live_operation): Same.
1968 (vectorizable_condition): Same.
1969 (vect_generate_tmps_on_preheader): Same.
1970 (vect_create_cond_for_align_checks): Same.
1971 * tree-object-size.c (collect_object_sizes_for): Same.
1972 (check_for_plus_in_loops_1): Same.
1973 (check_for_plus_in_loops): Same.
1974 * tree-outof-ssa.c (insert_copy_on_edge): Same.
1975 (replace_use_variable): Same.
1976 (check_replaceable): Same.
1977 (rewrite_trees): Same.
1978 (identical_copies_p): Same.
1979 (insert_backedge_copies): Same.
1980 * tree-profile.c (tree_gen_edge_profiler): Same.
1981 * tree-vect-generic.c (expand_vector_operations_1): Same.
1982 * tree-ssa-structalias.c (update_alias_info): Same.
1983 (find_func_aliases): Same.
1984 * tree-cfg.c (factor_computed_gotos): Same.
1986 (make_goto_expr_edges): Same.
1987 (tree_merge_blocks): Same.
1988 (remove_useless_stmts_cond): Same.
1989 (remove_useless_stmts_1): Same.
1990 (tree_find_edge_insert_loc): Same.
1991 (verify_expr): Same.
1992 (gimplify_val): Same.
1993 (verify_gimple_tuples_1): New.
1994 (verify_gimple_tuples): New.
1995 (verify_stmts): Call verify_gimple_tuples.
1996 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
1997 (get_unary_op): Same.
1998 (linearize_expr): Same.
1999 (get_single_immediate_use): Same.
2000 (negate_value): Same.
2001 (should_break_up_subtract): Same.
2002 (break_up_subtract): Same.
2003 (repropagate_negates): Same.
2004 (break_up_subtract_bb): Same.
2005 (reassociate_bb): Same.
2006 * config/i386/i386.c (ix86_va_start): Same.
2007 (ix86_gimplify_va_arg): Same.
2008 * stmt.c (expand_expr_stmt): Same.
2009 (warn_if_unused_value): Same.
2010 (expand_return): Same.
2011 * tree-ssanames.c (make_ssa_name): Same.
2012 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2013 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2014 (add_virtual_operand): Same.
2015 (get_expr_operands): Same.
2016 (parse_ssa_operands): Same.
2017 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2019 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2021 * config.host: Remove extra blank line.
2023 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2025 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2026 target is also an x86 variant.
2028 2006-12-05 Richard Guenther <rguenther@suse.de>
2030 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2031 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2032 (ix86_builtin_vectorized_function): New function to vectorize
2035 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2037 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2038 ia64_override_options.
2040 2006-12-04 Jan Hubicka <jh@suse.cz>
2042 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2045 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2047 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2048 * config/bfin/bfin.c: Include "timevar.h".
2049 (bfin_flag_schedule_insns2, splitting_for_sched,
2050 bfin_flag_var_tracking): New variables.
2051 (print_operand): Handle '%!'.
2052 (override_options): Disable normal sched2 pass, instead set
2053 bfin_flag_schedule_insns2 for reorg to handle it.
2054 (output_file_start): Likewise for var-tracking.
2055 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2056 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2058 (bfin_reorg): Do second scheduling pass here, and call
2059 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2060 of examining insns directly. If bfin_flag_var_tracking, call
2061 var-tracking pass when done with everything else.
2062 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2063 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2064 (movsi_insn32): New pattern, with two new splits to create it
2065 before the final scheduling pass.
2066 (neghi2): Not a dsp32 insn, rather alu0.
2067 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2068 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2069 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2070 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2071 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2072 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2073 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2074 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2075 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2076 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2077 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2078 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2079 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2080 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2081 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2082 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2083 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2084 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2085 variants instead of ';'.
2086 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2087 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2088 (align8, align16, align24): Now named patterns; also using '%!'.
2091 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2093 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2094 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2096 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2098 * config/spu/spu-protos.c (spu_split_address): Add.
2099 * config/spu/spu.c (spu_split_address): Add.
2100 (print_operand): Handle HIGH.
2101 (spu_legitimate_address): Don't test for aligned CONST.
2102 (spu_expand_mov): Don't split addresses here.
2103 * config/spu/constraints.md (A): Don't test legitimate_const.
2104 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2105 (ceq_di): Use correct predicates.
2107 2006-12-04 Eric Christopher <echristo@apple.com>
2109 * config/darwin.h: Update copyright notice.
2110 * config/i386/darwin.h: Ditto.
2112 2006-12-04 Jan Hubicka <jh@suse.cz>
2114 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2115 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2117 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2119 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2121 * tree-ssa-structalias.c (set_used_smts): Export.
2122 (find_what_p_points_to): Don't call set_used_smts here.
2123 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2125 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2127 * tree-ssa-alias.c (compute_may_aliases):
2128 Compute flow sensitive before flow insensitive.
2129 (compute_flow_sensitive_aliasing): Don't try to add
2130 a symbol memory tag to itself.
2132 * alias.h (alias_set_subset_of): New prototype.
2134 * alias.c (alias_set_subset_of): New function.
2136 * tree-ssa-structalias.c: Update comments.
2137 (struct variable_info): Add finished_solution.
2138 (new_varinfo): Set finished solution to NULL.
2139 (var_escaped_vars): Remove.
2140 (escaped_vars_tree): Remove.
2141 (escaped_vars_id): Remove.
2142 (nonlocal_vars_id): Remove.
2143 (constraint_expr_type): Add INCLUDES.
2144 (graph_size): Removed.
2145 (dump_constraint): Support INCLUDES.
2146 (build_constraint_graph): Ditto.
2147 (collapse_nodes): Add merge_solutions argument.
2148 Don't merge attributes.
2149 (process_unification_queue): Just use collapse_nodes.
2150 (perform_var_substitution): Update call to collapse_nodes.
2151 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2152 (process_constraint): Fix non-field sensitive handling
2154 (get_constraint_for): Use INCLUDES.
2155 (make_constraint_from_anything): Renamed from
2156 make_constraint_from_escaped.
2157 (make_constraint_to_escaped): Removed.
2158 (find_global_initializers): Removed.
2159 (create_variable_info_for): Do not make constraints to escaped
2161 (dump_solution_for_var): Don't print out the equivalent points-to
2162 sets, just use the name of the variable it shares it with.
2163 (intra_create_variable_infos): Use INCLUDES.
2164 Change nonlocal variable sets to anything sets.
2165 (init_base_vars): Remove escaped_vars and nonlocal_var
2167 (find_escape_constraints): Removed.
2168 (delete_points_to_sets): Remove dead code.
2169 (used_smt_calculated): New variable.
2170 (set_used_smts): New function.
2171 (merge_smts_into): New function.
2172 (find_what_p_points_to): Modify to use SMTs.
2173 (create_nonlocal_var): Remove.
2175 * tree-ssa-operands.c (access_can_touch_variable): Remove
2176 reference to nonlocal_all.
2178 * tree-ssa.c (verify_name_tags): Remove.
2180 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2182 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2183 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2185 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2187 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2188 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2189 (add_livein_if_notdef): Delete.
2190 (loe_visit_block): New. Propogate live on entry info for a block into
2191 each predecessor. If it changes, make sure it is visited again.
2192 (live_worklist): Visit every block and update the live on entry info
2193 for preds. Iterate over any that changed.
2194 (set_var_live_on_entry): Populate the live on entry blocks with bits
2195 based on the immediate uses of a var.
2196 (calculate_live_on_entry): Remove.
2197 (calculate_live_on_exit): Calculate live on exit based on the newly
2198 oriented live on entry bits.
2199 (calculate_live_ranges): Build live on entry and exit vectors.
2200 (dump_live_info): Use new orientation of live on entry bitmaps.
2201 (verify_live_on_entry): New. Split out verification code from old
2202 calculate_live_on_entry routine.
2203 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2204 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2205 basic_block instead of for a partition.
2206 (live_merge_and_clear): Add asserts.
2207 (make_live_on_entry): Set partition bit in basic block vector.
2209 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2212 * omp-low.c (expand_omp_for_static_nochunk,
2213 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2217 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2218 parallels if region->exit or region->inner->exit is NULL.
2219 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2221 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2222 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2223 or region->exit is NULL.
2224 (expand_omp_sections): Handle NULL region->cond or region->exit.
2227 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2229 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2230 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2232 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2234 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2235 TYPE_MAX_VALUE for scalar types here but...
2236 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2237 is attached an error mark, and the return value of the callback
2238 if it is not NULL_TREE.
2240 2006-12-04 Ben Elliston <bje@au.ibm.com>
2242 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2244 2006-12-03 Eric Christopher <echristo@apple.com>
2247 * config/t-slibgcc-darwin: Pass -install_name.
2248 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2249 libtool. Only pass through options that the linker recognizes.
2250 (LINK_SPEC): Update comment. Translate options.
2251 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2252 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2254 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2256 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2258 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2261 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2262 operands[1] in insn constraint. Correct type attribute to sselog1.
2264 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2267 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2269 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2270 processor detection.
2272 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2273 -march=native if there is no -mtune=*.
2275 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2278 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2280 * doc/install.texi: Update recommended MPFR version. Remove
2281 obsolete reference to cumulative patch.
2283 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2286 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2288 2006-11-30 Jan Hubicka <jh@suse.cz>
2289 Uros Bizjak <ubizjak@gmail.com>
2291 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2292 32bit memcpy/memset decriptors.
2293 (decide_alg): With -minline-all-stringops and sizes that are best
2294 to be copied via libcall still work hard enough to pick non-libcall
2297 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2299 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2301 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2302 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2303 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2304 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2305 config/spu/spu-c.c, config/spu/spu-modes.def,
2306 config/spu/spu.c, config/spu/spu.md,
2307 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2308 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2309 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2310 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2311 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2312 spelling conventions.
2314 * config/i386/i386.c: Fix a comment typo.
2316 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2318 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2319 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2320 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2321 better optimization.
2322 (floatv4siv4sf2): New.
2323 (fix_truncv4sfv4si2): New.
2324 (floatunsv4siv4sf2): New.
2325 (fixuns_truncv4sfv4si2): New.
2333 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2334 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2335 spu_resolve_overloaded_builtin instead of static inline functions.
2337 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2339 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2340 type instead of the size of its mode to compute the highest and
2341 lowest possible values. Still check the size of the mode before
2342 flipping the signedness of the comparison.
2344 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2346 * config/spu/predicates.md (spu_mov_operand): Add.
2347 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2348 (print_operand_address, print_operand): Handle addresses containing AND.
2349 (spu_split_load, spu_split_store): Use updated movti pattern.
2350 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2351 stores in mov patterns for correct operation of reload.
2352 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2354 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2357 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2359 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2361 * common.opt (ftree-combine-temps): Remove.
2362 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2363 (coalesce_ssa_name): Don't check for combine-temps.
2364 (coalesce_vars): Remove.
2365 (check_replaceable): Use num_imm_uses.
2366 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2367 check for combine-temps.
2368 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2369 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2370 to register_ssa_partition calls.
2371 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2372 (init_var_map, delete_var_map): remove refernces to ref_count.
2373 (create_ssa_var_map): Never calculate a ref count.
2374 (type_var_init): Remove.
2375 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2376 (SSA_VAR_MAP_REF_COUNT): Delete.
2377 (create_ssa_var_map): Change Prototype to have no parameters.
2378 (version_ref_count): Delete.
2379 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2381 (type_var_num, type_var, type_var_first_partition,
2382 type_var_next_partition, type_var_dump, type_var_delete,
2383 type_var_remove_partition, type_var_find, type_var_compact,
2384 type_var_decompact): Remove.
2386 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2388 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2391 2006-12-01 Richard Guenther <rguenther@suse.de>
2394 * dwarf2out.c (struct pubname_struct): Make name const.
2395 (add_pubtype): Do not xstrdup identifiers.
2397 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2399 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2400 multiword accesses are in range.
2402 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2404 PR tree-optimization/29921
2405 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2406 (set_lattice_value): Use canonicalize_float_value.
2408 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2410 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2411 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2412 (spu_cpu_cpp_builtins): Remove.
2413 (spu_override_options): Don't set warn_main.
2414 (spu_force_reg): Move from spu-c.c.
2415 (spu_check_builtin_parm): Likewise.
2416 (expand_builtin_args): Likewise.
2417 (spu_expand_builtin_1): Likewise.
2418 (spu_expand_builtin): Likewise.
2419 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2420 warn_main and targetm.resolve_overloaded_builtin.
2421 * config/spu/spu-c.c (spu_builtin_range): Remove.
2422 (spu_check_builtin_parm): Remove.
2423 (expand_builtin_args): Remove.
2424 (spu_expand_builtin_1): Remove.
2425 (spu_expand_builtin): Remove.
2426 (spu_cpu_cpp_builtins): Moved from spu.c
2427 (spu_force_reg): Remove.
2429 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2430 David Edelsohn <edelsohn@gnu.org>
2433 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
2434 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
2435 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
2436 HARD_REGNO_NREGS_WITH_PADDING): Define.
2437 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
2438 HARD_REGNO_NREGS_WITH_PADDING): Define.
2439 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
2440 Use new macros to detect modes with holes; do not look at integer
2442 (subreg_offset_representable_p): Check for and disallow cases
2443 where the modes use different numbers of bits from registers.
2444 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
2445 constant for soft-float.
2446 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
2448 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
2449 in E500 double case.
2450 * config/rs6000/rs6000.md (movtf): Allow soft-float.
2451 (movtf_softfloat): New.
2453 2006-11-30 Richard Sandiford <richard@codesourcery.com>
2455 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
2456 simplify_gen_subreg.
2458 2006-11-30 Andrew Macleod <amacleod@redhat.com>
2460 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
2461 (COALESCE_HASH_FN): New. Define hash function.
2462 (partition_pair_map_hash): New. Hash value for a partition pair.
2463 (partition_pair_map_eq): New. Equality for hash pairs.
2464 (create_coalesce_list): Create hash table.
2465 (delete_coalesce_list): Free hash table.
2466 (find_partition_pair): Find/create pairs in hash table.
2467 (compare_pairs): Sort pairs in ascending order now.
2468 (num_coalesce_pairs): New. Number of pairs in hash table.
2469 (struct partition_pair_iterator): Iterator struct for pair table.
2470 (first_partition_pair): Iterator function for first pair.
2471 (end_partition_pair_p): Iterator function for end of iteration.
2472 (next_partition_pair): Iterator function for next pair.
2473 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
2474 (sort_coalesce_list): Sort pairs from hash table into an array.
2475 (pop_best_coalesce): Take pairs from the array.
2476 (dump_coalesce_list): Update to use hash table or sorted array.
2477 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
2478 (struct coalesce_list_d): Add hash table related fields.
2480 2006-11-30 Jan Hubicka <jh@suse.cz>
2483 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
2484 memmove/bcopy->memcpy conversion.
2486 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
2488 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
2489 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
2490 Default is the largest alignment supported for 32-bit ELF and
2491 representable on a 32-bit host.
2493 2006-11-30 Janis Johnson <janis187@us.ibm.com>
2495 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
2497 2006-11-30 Jan Hubicka <jh@suse.cz>
2499 * tree-ssa-operands.h (struct ssa_operands): New.
2500 * tree-flow-inline.h (gimple_ssa_operands): New function.
2501 * tree-flow.h: (struct gimple_df): Add ssa_operands.
2502 * Makefile.in: Remove gt-tree-ssa-operands.h
2503 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
2504 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
2505 operand_memory, operand_memory_index, ops_active): Remove statics.
2506 (ALLOC_OPTYPE): Update.
2507 (operand_build_sort_virtual): Update.
2508 (ssa_operands_active): Update.
2509 (init_ssa_operands): Update.
2510 (fini_ssa_operands): Update.
2511 (ssa_operand_alloc): Update.
2512 (INITIALIZE_USE): Update.
2513 (finalize_ssa_use_ops): Update.
2514 (finalize_ssa_v_may_def_ops): Update.
2515 (finalize_ssa_vuse_ops): Update.
2516 (finalize_ssa_v_must_def_ops): Update.
2518 2006-11-30 Richard Guenther <rguenther@suse.de>
2520 * tree-vectorizer.h (vectorizable_function): Export.
2521 * tree-vect-transform.c (vectorizable_function): Likewise.
2522 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
2523 type_in to scalar type in recognition of squaring.
2524 Make sure the target can vectorize sqrt in recognition
2525 of sqrt, set type_in to vector type in this case.
2527 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2529 * config/i386/i386.md (R10_REG): New constant.
2530 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
2531 (ix86_emit_restore_regs_using_mov): Ditto.
2532 (ix86_expand_call): Ditto.
2533 (x86_output_mi_thunk): Ditto. Also use R10_REG.
2535 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2537 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
2538 * alias.c (canon_true_dependence): Update comment.
2540 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2542 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
2543 at the end of a diagnostics message.
2545 * alloc-pool.c (pool_free): Postpone clearing the pool entry
2546 until after asserting that it was allocated in the right pool.
2548 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
2549 successor edge information as well. Make output of live regs
2550 on exit consistent with live regs on entry.
2552 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2555 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
2556 insn patterns for TARGET_80387.
2557 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
2558 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
2559 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
2560 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
2561 Generate truncxf<mode>2 insn patterns for strict SSE math.
2563 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2565 * config/i386/i386.md (movsf_1): Enable pattern for standard
2566 80387 constants before reload when optimizing for size.
2567 (*movdf_nointeger, *movdf_integer): Ditto.
2568 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2569 80387 constants before reload when not optimizing for size.
2571 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
2572 extension of XFmode input operands.
2574 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2576 * config/spu/crt0.c (__dso_handle): Define.
2578 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
2580 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
2581 when clearing the used flags.
2583 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2585 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
2587 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2590 * config/spu/spu.md (extend_compare<mode>): New pattern.
2591 (extend_compare): Change to expand and use the above pattern.
2593 2006-11-29 Janis Johnson <janis187@us.ibm.com>
2595 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
2597 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
2598 (DFP_INIT_ROUNDMODE): Define.
2599 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
2600 * mklibgcc.in: Fix dependencies for dfp-bit.c.
2602 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
2604 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
2605 Update documentation.
2606 (associate_line_notes_with_blocks): Kill.
2607 (extend_bb): Remove basic block argument, put void instead.
2608 Remove line number handling for each bb.
2609 (save_line_notes): Kill.
2610 (restore_line_notes): Kill.
2611 (sched_init): Remove line_note_head initialization.
2612 Change extend_bb call.
2613 (sched_finish): Remove free of line_note_head.
2614 (add_block): Change extend_bb call.
2615 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
2616 rm_line_notes and restore_line_notes calls.
2617 (schedule_ebbs): Remove rm_redundant_line_notes.
2618 * sched-int.h (struct haifa_insn_data): Remove line_note.
2619 (save_line_notes): Remove declaration.
2620 (restore_line_notes): Remove declaration.
2621 * modulo-sched.c (loop_canon_p): Update debug info printing
2622 by using insn locators instead of line note.
2623 (sms_schedule): Update debug info printing, by using insn
2624 locators instead of line note.
2625 * sched-rgn.c (debug_dependencies): Remove handling of case
2626 n>0 (line number), since it's a dead code.
2627 (schedule_region): Remove save_line_notes and
2628 restore_line_notes calls.
2630 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2632 * config/rs6000/predicates.md (gpc_reg_operand): Check
2633 invalid_e500_subreg.
2634 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
2635 SImode subregs of SPE vectors.
2636 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
2637 * jump.c (true_regnum): Require subregs to satisfy
2638 subreg_offset_representable_p.
2640 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
2641 Steven Bosscher <stevenb.gcc@gmail.com>
2643 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
2644 since it no longer exists.
2646 2006-11-29 Duncan Sands <baldrick@free.fr>
2648 PR tree-optimization/23744
2649 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
2651 2006-11-29 Duncan Sands <baldrick@free.fr>
2653 PR tree-optimization/23744
2654 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
2656 2006-11-29 Duncan Sands <baldrick@free.fr>
2658 PR tree-optimization/23744
2659 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
2661 2006-11-29 Jie Zhang <jie.zhang@analog.com>
2663 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
2665 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
2667 * sh.opt (minline-ic_invalidate): New option.
2668 (musermode): Adjust comment.
2669 * sh.c (sh_initialize_trampoline): Emit library call unless
2670 is set; if it is set, don't emit library call if we can use icbi
2672 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
2673 icbi for TARGET_SH4_300.
2674 * t-sh (LIB1ASMFUNCS_CACHE): Set.
2675 * doc/invoke.texi: Document -minline-ic_invalidate; Update
2676 -musermode documentation.
2678 2006-11-29 Jim Tison <jtison@us.ibm.com>
2680 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
2681 __gthread_recursive_mutex_init): Define.
2683 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2685 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
2686 STRICT_ALIGNMENT and the type is more aligned than the saved
2687 registers, copy via a temporary.
2689 2006-11-28 Andrew Pinski <pinskia@gmail.com>
2692 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
2695 2006-11-28 Bob Wilson <bob.wilson@acm.org>
2697 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
2699 2006-11-28 Jan Hubicka <jh@suse.cz>
2701 Privatize SSA variables into gimple_df.
2702 * tree-flow-inline.h
2703 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
2704 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
2705 gimple_nonlocal_all): New accessors.
2706 (first_referenced_var): Update.
2707 (mark_stmt_modified): Update.
2708 (is_call_clobbered): Update.
2709 (mark_call_clobbered): Update.
2710 (clear_call_clobbered): Update.
2711 (mark_non_addressable): Update.
2712 * tree-vrp.c (get_value_range): Update.
2713 * tree-into-ssa.c (in_ssa_p): Kill.
2714 (get_default_def_for): Update.
2715 (rewrite_into_ssa): Update.
2716 * tree-complex.c (init_parameter_lattice_values): Update.
2717 (update_complex_assignment): Update.
2718 (update_parameter_components): Update.
2719 (expand_complex_libcall): Update.
2720 (expand_complex_operations_1): Update.
2721 * tree-tailcall.c (arg_needs_copy_p): Update.
2722 (add_virtual_phis): Update.
2723 (tree_optimize_tail_calls_1): Update.
2724 * tree-ssa-dse.c (memory_ssa_name_same): Update.
2725 * tree-ssa-copyrename.c
2726 (copy_rename_partition_coalesce): Update.
2727 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
2728 * tree-ssa-propagate.c (set_rhs): Update.
2729 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
2730 addressable_vars, global_var):Kill.
2731 (set_initial_properties): Update.
2732 (init_alias_info): Update.
2733 (finalize_ref_all_pointers): Update.
2734 (setup_pointers_and_addressables): Update.
2735 (maybe_create_global_var): Update.
2736 (create_global_var): Update.
2737 (dump_points_to_info): Update.
2738 * function.h (struct gimple_df): Forward declare.
2739 (struct function): Add GIMPLE_DF field.
2740 * gimplify.c (force_gimple_operand): Update.
2741 * tree-dfa.c (referenced_vars, default_defs): KIll.
2742 (make_rename_temp): Update.
2743 (dump_variable): Update.
2744 (referenced_var_lookup): Update.
2745 (referenced_var_check_and_insert): Update.
2746 (default_def): Rename to ...
2747 (gimple_default_def): ... this one; accept cfun argument.
2748 (set_default_def): Update.
2749 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
2750 (cleanup_control_flow): Update.
2751 * tree-ssa-pre.c (compute_avail): Update
2752 * tree-ssa-live.c (calculate_live_on_entry): Update.
2753 * tree-ssa.c (verify_use): Update.
2754 (verify_call_clobbering): Update.
2755 (verify_call_clobbering): Update.
2756 (init_tree_ssa): Update.
2757 (delete_tree_ssa): Update.
2758 * tree-outof-ssa.c (coalesce_ssa_name): Update.
2759 (rewrite_out_of_ssa): Update.
2760 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
2761 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
2763 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
2764 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
2765 addressable_vars, aliases_computed_p): Kill.
2766 (default_def): Rename to...
2767 (gimple_default_def): ... this one.
2768 (defaule_def_fn): Kill.
2769 (num_referenced_vars, ssa_names, num_ssa_names): Update.
2770 * tree-ssa-structalias.c (nonlocal_all): Kill.
2771 (get_constraint_exp_from_ssa_var): Update.
2772 (create_nonlocal_var): Update.
2773 (get_constraint_for): Update.
2774 (update_alias_info): Update.
2775 (find_global_initializers): Update.
2776 (intra_create_variable_infos): Update.
2777 (intra_create_variable_infos):
2778 (find_what_p_points_to): Update.
2779 (init_alias_heapvars): Update.
2780 * tree-cfg.c (remove_bb): Update.
2781 (gimplify_val): Update.
2782 * tree-ssa-reassoc.c (get_rank): Update.
2783 (init_reassoc): Update.
2784 * tree-ssanames.c: Do not include gt-tree-ssanames.h
2785 (ssa_names, free_ssanames): Kill.
2786 (init_ssanames): Update.
2787 (make_ssa_name): Update.
2788 (release_ssa_name): Update.
2789 (release_defs): Update.
2790 (replace_ssa_name_symbol): Update.
2791 * tree-ssa-operands.c (access_can_touch_variable): Update.
2792 (add_virtual_operand): Update.
2793 (add_call_clobber_ops): Update.
2794 (add_call_read_ops): Update.
2795 (get_call_expr_operands): Update.
2796 (get_asm_expr_operands): Update.
2798 2006-11-28 Jan Hubicka <jh@suse.cz>
2800 * builtins.c: Include tree-flow.h.
2801 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
2802 assignment; convert memmove to memcpy for sizes greater than 1 where
2803 alignment of operands prohibit the partial overlap.
2805 2006-11-28 Jan Hubicka <jh@suse.cz>
2807 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
2808 * cgraph.c (dump_cgraph_node): Dump stack usage.
2809 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
2810 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
2811 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
2812 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
2813 (cgraph_check_inline_limits): Limit stack growth.
2814 * cfgexpand.c: Include tree-inline.h.
2815 (account_stack_vars): New function.
2816 (expand_one_var): New param to just account the stack; return estimated
2818 (expand_used_vars_for_block): Update call of expand_one_var.
2819 (account_used_vars_for_block): New function.
2820 (estimated_stack_frame_size): Likewise.
2821 (init_vars_expansion, fini_vars_expansion): Break out from..
2822 (expand_used_vars): ... here.
2823 * tree-inline.h (estimated_stack_frame_size): Declare.
2824 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
2826 2006-11-28 Richard Guenther <rguenther@suse.de>
2828 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
2829 unsigned long for printing OBJECT_SIZE.
2831 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
2833 * alias.c (init_alias_analysis): Remove simplification loop
2834 after propagating pointers.
2836 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2838 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
2841 2006-11-27 Bob Wilson <bob.wilson@acm.org>
2843 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
2845 2006-11-27 Roger Sayle <roger@eyesopen.com>
2846 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2848 * c-common.c (constant_fits_type_p): Delete.
2849 (unsigned_conversion_warning): Delete.
2850 (conversion_warning): Integrate Wconversion warning from
2851 unsigned_conversion_warning.
2852 (convert_and_check): Integrate Woverflow warning from
2853 unsigned_conversion_warning. Reorganize and simplify to avoid
2854 dependence upon the middle-end setting TREE_OVERFLOW on integral
2855 conversions, by using int_fits_type_p directly.
2857 2006-11-27 Tobias Burnus <burnus@net-b.de>
2859 * doc/invoke.texi: Fixed typo.
2861 2006-11-27 Michael Matz <matz@suse.de>
2862 Andreas Krebbel <krebbel1@de.ibm.com>
2865 * config/s390/predicates.md (larl_operand): Check addend of larl
2866 operand to be in range of -/+2GB.
2867 * config/s390/s390.c (legitimize_pic_address): Likewise.
2868 Changed type of variable even to HOST_WIDE_INT.
2870 2006-11-27 Jan Hubicka <jh@suse.cz>
2872 * expr.c (emit_block_move_via_libcall): Export.
2873 (clear_storage_via_libcall): Rename to ...
2874 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
2875 (clear_storage): Update to set_storage_via_libcall.
2876 * expr.h (emit_block_move_via_libcall): Declare
2877 * config/i386/i386.h (stringop_alg): New enum.
2878 (MAX_STRINGOP_ALGS): New constant.
2879 (stringop_algs): New struct.
2880 (processor_costs): Add memcpy/memset descriptors.
2881 (TARGET_REP_MOVEL_OPTIMAL): Remove.
2882 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
2883 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
2885 * config/i386/i386.opt (minline-stringops-dynamically,
2886 mstringop-strategy): New
2888 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
2889 (ix86_expand-clrmem): Rename to ...
2890 (ix86_expand_setmem): ... this one; update prototype.
2891 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
2892 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
2893 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
2894 nocona_cost, core2_cost, generic_cost, generic64_cost,
2895 generic32_cost): Add memcpy/memset descriptors.
2896 (x86_rep_movl_optimal): Remove.
2897 (stringop_alg): New static variable.
2898 (ix86_expand_aligntest): Handle predictions.
2899 (override_options): Add strgop_alg handling.
2900 (predict_jump): New function.
2901 (scale_counter): New function.
2902 (expand_set_or_movmem_via_loop): New function.
2903 (expand_movmem_via_rep_mov): New function.
2904 (expand_setmem_via_rep_stots): New function.
2905 (emit_strmov): New function.
2906 (expand_movmem_epilogue): New function.
2907 (expand_setmem_epilogue_via_loop): New function.
2908 (expand_setmem_epilogue): New function.
2909 (expand_movmem_prologue): New function.
2910 (expand_setmem_prologue): New function.
2911 (decide_alg): New function.
2912 (decide_alignment): New function.
2913 (ix86_exand_movmem): Rewrite.
2914 (promote_duplicated_reg): New function.
2915 (ix86_expand_clrmem): Rename to ...
2916 (ix86_expand_setmem): ... this one. Rewrite.
2918 * invoke.texi (minline-stringops-dynamically): New command line option.
2919 (mstringop-strategy): Likewise.
2921 2006-11-27 Jan Hubicka <jh@suse.cz>
2923 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
2924 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
2925 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
2926 * insn-notes.def (FUNCTION_END): Remove.
2927 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
2928 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
2930 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
2931 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
2932 * cfglayout.c (duplicate_insn_chain): Don't worry about
2935 2006-11-27 Richard Guenther <rguenther@suse.de>
2936 Zdenek Dvorak <dvorakz@suse.cz>
2938 * target.h (struct gcc_target): Add builtin_vectorized_function
2940 * target-def.h (TARGET_VECTORIZE): Likewise.
2941 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2942 Document new target hook.
2943 * targhooks.h (default_builtin_vectorized_function): Declare.
2944 * targhooks.c (default_builtin_vectorized_function): Define.
2945 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
2946 (vectorizable_call): Declare.
2947 * tree-vect-analyze.c (vect_analyze_operations): Call
2949 * tree-vect-transform.c (vectorizable_function): New static function.
2950 (build_vectorized_function_call): Likewise.
2951 (vectorizable_call): New function.
2952 (vect_transform_stmt): Handle vectorizable calls.
2954 2006-11-27 Richard Guenther <rguenther@suse.de>
2957 * builtins.c (expand_builtin_pow): Optimize non integer valued
2958 constant exponents using sqrt or cbrt if possible. Always fall back
2959 to expanding via optabs.
2961 2006-11-27 Ira Rosen <irar@il.ibm.com>
2963 PR tree-optimization/22372
2964 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
2965 the type of the base address.
2966 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
2967 it in the data-ref pointer creation.
2968 (vect_init_vector): Add an argument, type of the init vector. Use it in
2970 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
2971 (get_initial_def_for_reduction): Likewise.
2972 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
2974 (vectorizable_assignment, vect_permute_store_chain): Likewise.
2975 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
2976 correct type in stmt creation.
2977 (vect_setup_realignment): Use the correct type in stmt creation.
2978 (vect_permute_load_chain): Change type of MODIFY_EXPR to
2980 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
2981 of MODIFY_EXPR to void_type_node.
2982 (vectorizable_condition): Change type of MODIFY_EXPR to
2984 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
2987 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2990 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2991 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2992 standard 80387 constants, raise the cost to prevent
2993 compress_float_constant() to generate load from memory.
2995 * config/i386/i386.md: Add new splitter pattern to split
2996 float_extended load of constant from constant pool into
2999 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3001 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3002 section to general section. Remove documentation for
3003 --with-mpfr-dir and --with-gmp-dir, add documentation for
3004 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3007 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3009 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3011 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3013 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3015 PR tree-optimization/29122
3016 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3017 for the new version. Assign NULL to DECL_RTL of the new version.
3019 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3021 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3023 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3025 * cse.c (cse_altered): Remove.
3026 (record_jump_equiv): Make true/false argument a bool instead
3028 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3029 where appropriate. Emit a new jump before the existing one
3030 instead of after so that delete_insn_and_edges removes the
3031 dead edges properly. Check any_condjump_p before calling
3033 (cse_basic_block): Check any_condjump_p before calling
3035 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3037 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3039 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3040 -ffixed-line-length-* options.
3042 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3044 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3045 (fprem1xf4): Rename to fprem1xf4_i387.
3047 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3048 Rename patterns to fmod<mode>3. Use general_operand operand
3049 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3050 patterns for SSE math.
3051 (remaindersf3, remainderdf3): Ditto.
3053 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3055 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3056 inside start_sequence / end_sequence pair.
3058 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3060 * jump.c (mark_all_labels): Work in cfglayout mode.
3061 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3062 when in cfglayout mode, because there are no dead jumptables
3064 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3066 (commit_edge_insertions): Do not allow insertion of instructions
3067 with control flow insns when in cfglayout mode.
3069 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3071 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3073 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3074 unswitch_loop): Ditto.
3075 * tree-loop-linear.c (linear_transform_loops): Ditto.
3076 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3077 tree_ssa_lim): Ditto.
3078 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3079 free_numbers_of_iterations_estimates): Ditto.
3080 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3081 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3082 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3083 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3084 place_new_loop, duplicate_loop, duplicate_subloops,
3085 update_single_exit_for_duplicated_loops, copy_loops_to,
3086 duplicate_loop_to_header_edge, create_preheaders,
3087 force_single_succ_latches, loop_version, fix_loop_structure):
3089 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3090 tree_unroll_loop): Ditto.
3091 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3092 * tree-scalar-evolution.c (select_loops_exit_conditions,
3093 scev_initialize, scev_analysis): Ditto.
3094 * tree-scalar-evolution.h (scev_initialize): Ditto.
3095 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3096 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3097 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3098 * modulo-sched.c (sms_schedule): Ditto.
3099 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3100 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3101 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3102 * ifcvt.c (if_convert): Ditto.
3103 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3104 canonicalize_loop_induction_variables,
3105 canonicalize_induction_variables,
3106 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3107 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3108 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3109 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3110 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3111 tree_ssa_loop_done): Ditto.
3112 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3113 estimate_bb_frequencies): Ditto.
3114 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3115 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3116 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3117 decide_unrolling_and_peeling, peel_loop_completely,
3118 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3119 peel_loop_simple, unroll_loop_stupid): Ditto.
3120 * loop-doloop.c (doloop_optimize_loops): Ditto.
3121 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3122 * loop-invariant.c (move_loop_invariants): Ditto.
3123 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3124 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3125 tree_ssa_prefetch_arrays): Ditto.
3126 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3128 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3129 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3130 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3131 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3132 verify_loop_structure): Ditto.
3133 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3134 canonicalize_induction_variables, tree_unroll_loops_completely,
3135 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3136 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3137 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3138 tree_unroll_loop, linear_transform_loops): Declaration changed.
3139 * basic-block.h: Remove declaration of struct loops.
3140 * cfghooks.h (struct cfg_hooks): Change type of
3141 cfg_hook_duplicate_loop_to_header_edge.
3142 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3143 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3144 vect_transform_loop): Declaration changed.
3145 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3146 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3147 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3148 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3149 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3150 loopify, loop_version, remove_path, unswitch_loops,
3151 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3152 Declaration changed.
3154 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3156 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3157 (X87MODEF): New mode macro.
3158 (ssemodefsuffix): New mode attribute.
3159 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3160 (sqrt_extend<mode>xf2_i387): New insn pattern.
3161 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3162 insn and truncate result back to original mode using
3163 UNSPEC_TRUNC_NOOP truncation.
3164 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3165 ssemodefsuffix mode attribute.
3166 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3167 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3168 (*sqrtextenddfxf2_i387): Remove insn patterns.
3170 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3171 truncation patterns.
3173 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3175 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3178 * c-tree.h (c_maybe_initialize_eh): New prototype.
3179 * c-decl.c (finish_decl): Move EH initialization...
3180 (c_maybe_initialize_eh): ... here. New function.
3181 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3182 if not #pragma omp atomic.
3185 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3186 or UNION_TYPE inner types.
3188 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3191 * ipa-pure-const.c (check_tree): If the original tree
3192 is volatile return early and say the function is not pure
3193 nor const. Remove the volatile check for writes.
3194 (analyze_function): Print out the result of the local
3197 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3199 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3201 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3202 * config/rs6000/rs6000.c (rs6000_override_options): Use
3203 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3206 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3208 * config/s390.c (s390_emit_compare_and_swap): New function.
3209 (s390_expand_cs_hqi, s390_expand_atomic): Call
3210 s390_emit_compare_and_swap.
3212 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3214 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3216 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3220 * c-common.c (conversion_warning): New.
3221 (convert_and_check): Call conversion_warning unless there is an
3223 * doc/invoke.texi (-Wconversion): Update description.
3225 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3227 * tree-ssa-alias.c (tree_pointer_compare): New function.
3228 (compact_name_tags): New function.
3229 (group_aliases): Call compact_name_tags.
3231 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3233 * real.h (real_isinteger): Declare.
3234 * real.c (real_isinteger): Define.
3235 * builtins.c (integer_valued_real_p): Use it.
3237 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3240 * c.opt (Wtraditional-conversion): New.
3241 (Wconversion): Update description.
3242 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3243 type conversions different from what would happen in the absence
3244 of prototype are now handled by Wtraditional-conversion.
3245 * doc/invoke.texi (Wtraditional-conversion): New.
3246 (Wconversion): Update description.
3247 * doc/trouble.texi (Wconversion): Replace Wconversion by
3248 Wtraditional-conversion.
3250 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3252 * predict.c (tree_estimate_probability): Check to make
3253 sure current_loops is non null before calling flow_loops_dump.
3255 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3257 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3259 2006-11-23 David Ung <davidu@mips.com>
3261 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3263 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3264 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3265 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3266 high part of FP register when in 64-bit FP register mode. Similarly
3267 use gen_mfhc1 to load high part of FP register.
3268 (override_options): Allow -mgp32 and -mfp64 combination if
3269 ISA_HAS_MXHC1 (currently for O32 only).
3270 (mips_cannot_change_mode_class): If floating-point registers are
3271 bigger than word size. disallow conversion of float register from a
3272 large integer mode to a float mode smaller than the float register
3274 (mips_class_max_nregs): Handle float registers case seperately.
3275 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3277 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3278 (movdf_hardfloat_32bit): Similarly.
3279 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3280 support a full 64-bit fpu.
3281 (mthc1): New pattern to generate MTHC1 instruction.
3282 (mfhc1): New pattern to generate MFHC1 instruction.
3283 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3284 option for the MIPS32R2 and mention its use under O32 ABI.
3286 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3288 * var-tracking.c (emit_note_insn_var_location): Take care not to
3289 cause verify_flow_info failures.
3291 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3293 * tree-ssa-structalias.c: Remove edge weights in favor of just
3294 processing them as complex constraints.
3295 (struct constraint_graph): Remove weighted succs and preds. Rename
3296 nonweighted succs and preds.
3297 (constraint_edge): Removed.
3298 (constraint_edge_t): Ditto.
3299 (constraint_edge_pool): Ditto.
3300 (new_constraint_edge): Ditto.
3301 (constraint_edge_equal): Ditto.
3302 (constraint_edge_less): Ditto.
3303 (constraint_edge_vec_find): Ditto.
3304 (erase_self_graph_edge): Ditto.
3305 (add_graph_edge): Removed.
3306 (get_graph_weights): Ditto.
3307 (allocate_graph_weights): Ditto.
3308 (valid_weighted_graph_edge): Ditto
3309 (bitmap_other_than_zero_bit_set): Ditto.
3310 (int_add_graph_edge): Renamed to add_graph_edge.
3311 (clear_edges_for_node): Remove support for weighted edges.
3312 (merge_graph_nodes): Ditto.
3313 (valid_graph_edge): Ditto.
3314 (build_constraint_graph): Ditto.
3316 (collapse_nodes): Ditto.
3317 (process_unification_queue): Ditto.
3318 (topo_visit): Ditto.
3319 (do_ds_constraint): Ditto.
3320 (perform_var_subsitution): Ditto.
3321 (solve_graph): Ditto.
3322 (init_alias_vars): Ditto.
3323 (delete_points_to_sets): Ditto.
3324 (do_complex_constraint): Support offsetted copies here.
3326 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3328 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3330 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3332 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3335 2006-11-23 Ben Elliston <bje@au.ibm.com>
3337 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3339 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3341 PR tree-optimization/29921
3342 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3343 signed and unsigned zero equal.
3345 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3347 * config/rs6000/rs6000.c (get_store_dest): New.
3348 (adjacent_mem_locations): Use get_store_dest() to get
3349 the rtl of the store destination.
3351 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3353 * config/rs6000/spe.md (SPE64): New mode macro.
3354 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3356 (mov_si<mode>_e500_subreg0_2): New.
3357 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3359 (mov_si<mode>_e500_subreg4_2): New.
3360 * config/rs6000/predicates.md (input_operand): Do not allow
3361 invalid E500 subregs.
3362 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3364 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3365 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3366 involving vector modes if TARGET_SPE.
3368 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3371 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3372 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3374 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3376 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3377 mem_i_address_operand): New predicates.
3378 * config/bfin/bfin.c (bfin_issue_rate): New function.
3379 (TARGET_SCHED_ISSUE_RATE): New macro.
3380 * config/bfin/bfin.md (addrtype): New attribute.
3381 (slot0, slot1, slot2, store, pregs): New cpu_units.
3382 (core): Now a define_reservation.
3383 (alu): Remove some insn types from this reservation.
3384 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3386 (dummy reservation): Don't trigger for mcld insns.
3387 (absence_sets): Two new absence sets to enforce slot ordering.
3388 (popsi_insn): Set addrtype.
3390 2006-11-22 Ira Rosen <irar@il.ibm.com>
3392 * doc/c-tree.texi: Document new tree codes.
3393 * doc/md.texi: Document new optabs.
3394 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3396 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3397 * optabs.h (optab_index): Add new.
3398 (vec_extract_even_optab, vec_extract_odd_optab,
3399 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3400 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3401 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3403 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3404 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3405 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3406 along with macros for their access.
3407 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3409 * tree-vect-analyze.c (toplev.h): Include.
3410 (vect_determine_vectorization_factor): Fix indentation.
3411 (vect_insert_into_interleaving_chain,
3412 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3413 (vect_analyze_data_ref_dependence): Add argument for interleaving
3414 check. Check for interleaving if it's true.
3415 (vect_check_dependences): New function.
3416 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3417 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3418 (vect_update_misalignment_for_peel): Update for interleaving.
3419 (vect_verify_datarefs_alignment): Check only first data-ref for
3421 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3422 only first data-ref for interleaving.
3423 (vect_analyze_data_ref_access): Check interleaving, update
3425 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3426 with different parameters.
3427 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3428 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3429 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3430 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3431 Update step in case of interleaving.
3432 (vect_strided_store_supported, vect_permute_store_chain): New
3434 (vectorizable_store): Handle strided stores.
3435 (vect_strided_load_supported, vect_permute_load_chain,
3436 vect_transform_strided_load): New functions.
3437 (vectorizable_load): Handle strided loads.
3438 (vect_transform_stmt): Add argument. Handle strided stores. Check
3439 that vectorized stmt exists for patterns.
3440 (vect_gen_niters_for_prolog_loop): Update calculation for
3442 (vect_transform_loop): Remove stmt_vec_info for strided stores after
3443 whole chain vectorization.
3444 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
3445 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
3446 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
3447 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
3448 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
3450 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
3452 * cse.c (enum taken): Remove PATH_AROUND.
3453 (addr_affects_sp_p, invalidate_skipped_set,
3454 invalidate_skipped_block): Remove.
3455 (cse_end_of_basic_block): Remove skip_blocks and related code.
3456 (cse_main): Don't test for flag_cse_skip_blocks.
3457 Update cse_end_of_basic_block call.
3458 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
3459 code to lengthen the path if a jump was simplified.
3461 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3463 PR rtl-optimization/29924
3464 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
3465 (unroll_loop_runtime_iterations): Assert that the argument passed to
3466 split_edge_and_insert is not NULL.
3467 * loop-doloop.c (add_test): Ditto.
3469 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3471 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
3473 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
3474 * cfgloopmanip.c (update_single_exits_after_duplication,
3475 update_single_exit_for_duplicated_loop, loop_version): Ditto.
3476 * tree-scalar-evolution.c (get_loop_exit_condition,
3477 get_exit_conditions_rec, loop_closed_phi_def,
3478 number_of_iterations_in_loop, scev_const_prop): Ditto.
3479 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
3480 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
3482 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3484 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3485 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
3486 slpeel_make_loop_iterate_ntimes,
3487 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
3488 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3490 * tree-if-conv.c (if_convertible_loop_p): Ditto.
3491 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
3492 vect_analyze_loop_form): Ditto.
3493 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
3494 can_convert_to_perfect_nest, perfect_nestify): Ditto.
3495 * tree-vect-transform.c (vect_create_epilog_for_reduction,
3496 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3497 vect_transform_loop): Ditto.
3498 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
3499 (single_exit, set_single_exit): New functions.
3500 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
3501 (single_exit, set_single_exit): Declare.
3502 * doc/loop.texi: Undocument single_exit field. Document single_exit
3505 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3507 PR tree-optimization/29902
3508 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
3509 any involved ssa name appears in abnormal phi node.
3511 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3513 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
3514 (xtensa_const_ok_for_letter_p): Delete.
3515 (xtensa_extra_constraint): Delete.
3516 (override_options): Delete xtensa_char_to_class initialization.
3517 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
3518 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3519 (EXTRA_CONSTRAINT): Delete.
3520 * config/xtensa/xtensa.md: Include constraints.md.
3521 (call_internal): Combine alternatives.
3522 (call_value_internal): Likewise, and remove invalid constraints.
3523 * config/xtensa/constraints.md: New file.
3524 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
3525 (xtensa_extra_constraint): Delete.
3526 * doc/md.texi (Machine Constraints): Refer to constraints.md for
3529 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3531 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
3532 of conversion that doesn't fit.
3534 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
3535 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
3536 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
3538 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
3540 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
3542 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
3544 2006-11-21 Richard Guenther <rguenther@suse.de>
3546 * tree-vectorizer.h (NUM_PATTERNS): Increase.
3547 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
3548 vect_recog_pow_pattern.
3549 (vect_recog_pow_pattern): New function.
3551 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
3553 * config/bfin/bfin.opt (mstack-check-l1): New.
3554 * doc/invoke.texi (Blackfin Options): Document it.
3555 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
3556 stack bounds in L1 memory if the new option is enabled.
3557 (override_options): Don't allow combinations of -fstack-limit and
3559 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
3562 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3564 (bfin_register_move_cost): Bump costs if trying to move plain
3565 integer values through accumulators.
3567 2006-11-21 Ben Elliston <bje@au.ibm.com>
3569 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
3571 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3572 Russell Olsen <Russell_Olsen@playstation.sony.com>
3573 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
3574 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
3575 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
3576 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
3577 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3579 * config.gcc: Add target for SPU.
3580 * config/spu/constraints.md: New file.
3581 * config/spu/crt0.c: New file.
3582 * config/spu/crtend.c: New file.
3583 * config/spu/crti.asm: New file.
3584 * config/spu/crtn.asm: New file.
3585 * config/spu/float_unsdidf.c: New file.
3586 * config/spu/float_unssidf.c: New file.
3587 * config/spu/predicates.md: New file.
3588 * config/spu/spu-builtins.def: New file.
3589 * config/spu/spu-builtins.h: New file.
3590 * config/spu/spu-builtins.md: New file.
3591 * config/spu/spu-c.c: New file.
3592 * config/spu/spu-elf.h: New file.
3593 * config/spu/spu-modes.def: New file.
3594 * config/spu/spu-protos.h: New file.
3595 * config/spu/spu.c: New file.
3596 * config/spu/spu.h: New file.
3597 * config/spu/spu.md: New file.
3598 * config/spu/spu.opt: New file.
3599 * config/spu/spu_internals.h: New file.
3600 * config/spu/spu_intrinsics.h: New file.
3601 * config/spu/spu_mfcio.h: New file.
3602 * config/spu/t-spu-elf: New file.
3603 * config/spu/vec_types.h: New file.
3604 * config/spu/vmx2spu.h: New file.
3605 * doc/contrib.texi: Document SPU contributor.
3606 * doc/extend.texi: Document SPU extensions.
3607 * doc/invoke.texi: Document SPU options.
3608 * doc/md.texi: Document SPU constraints.
3610 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3612 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
3614 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
3616 (flow_loop_dump): Do not dump loop level.
3617 (flow_loops_find): Do not call flow_loops_level_compute.
3618 * cfgloop.h (struct loop): Remove level field.
3620 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3622 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
3623 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
3624 Use vector of edges instead of array.
3625 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
3626 estimate_numbers_of_iterations_loop): Ditto.
3627 * predict.c (predict_loops): Ditto.
3628 * loop-unroll.c (analyze_insns_in_loop): Ditto.
3629 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
3631 * basic-block.h: Declare heap allocation for edge vectors.
3632 * tree-outof-ssa.c: Ditto.
3633 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
3634 * cfgloop.h (get_loop_exit_edges): Declaration changed.
3636 2006-11-20 Zack Weinberg <zackw@panix.com>
3638 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
3639 Add another out parameter, "skip".
3640 (set_gc_used_type): Adjust calls to process_gc_options. If a field
3641 is tagged "skip", do not mark its type used.
3643 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3646 * tree-sra.c (single_scalar_field_in_record_p): New function.
3647 (decide_block_copy): Use it.
3649 2006-11-20 David Daney <ddaney@avtrex.com>
3651 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3652 PC to point to following instruction.
3654 2006-11-20 Anatoly Sokolov <aesok@post.ru>
3658 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
3660 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
3662 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
3664 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3665 Add sh/superh.h to tm_file.
3667 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
3668 Mark Mitchell <mark@codesourcery.com>
3670 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
3672 (cpp_relocated): New function.
3673 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
3675 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
3676 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
3677 replace configured prefix with gcc_exec_prefix.
3679 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3681 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
3682 bfin_legitimate_constant_p.
3683 * config/bfin/bfin.md (movsi expander): Check return value of
3685 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
3686 (expand_move): Adjust prototype.
3687 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
3688 invalid constants specially.
3689 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
3691 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
3693 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
3694 sibcall_value_symbol): Allow these patterns if
3695 TARGET_LEAF_ID_SHARED_LIBRARY.
3696 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
3697 (override_options): Turn on id shared library flags if -msep-data,
3698 but disallow the combination of these options on the command line.
3699 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
3700 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
3701 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
3702 -mid-shared-library.
3703 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
3704 * doc/invoke.texi (Blackfin Options): Document new switches.
3706 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
3707 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
3709 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
3710 inflate costs for addresses with an out-of-bounds address.
3712 2006-11-19 Andrew Pinski <pinskia@gmail.com>
3715 * fwprop.c (loops): Remove.
3716 (forward_propagate_into): Use current_loops instead of
3718 (fwprop_init): Call loop_optimizer_init instead of
3720 (fwprop_done): Call loop_optimizer_finalize instead of
3722 (fwprop): Use current_loops instead of loops.
3724 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
3727 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
3729 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3732 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
3733 larger than BITS_PER_WORD.
3735 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3739 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
3740 to MAX_FIXED_MODE_SIZE.
3742 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3744 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
3745 (fold_builtin_fmin_fmax): New.
3746 (fold_builtin_1): Use it.
3748 * fold-const.c (fold_strip_sign_ops): Handle copysign.
3750 2006-11-18 Richard Guenther <rguenther@suse.de>
3752 * config/i386/i386.c (ix86_builtins): New array for ix86
3753 builtin function decls.
3754 (def_builtin): New function.
3755 (def_builtin_const): Likewise.
3756 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
3758 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
3760 * doc/invoke.texi (core2): Add item.
3762 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
3764 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
3765 (TARGET_CPU_DEFAULT_generic): Change value.
3766 (TARGET_CPU_DEFAULT_NAMES): Add core2.
3767 (processor_type): Add new constant PROCESSOR_CORE2.
3769 * config/i386/i386.md (cpu): Add core2.
3771 * config/i386/i386.c (core2_cost): New initialized variable.
3772 (m_CORE2): New macro.
3773 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
3774 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
3775 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3776 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3777 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3778 x86_accumulate_outgoing_args, x86_prologue_using_move,
3779 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3780 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
3781 x86_use_incdec, x86_four_jump_limit, x86_schedule,
3782 x86_pad_returns): Add m_CORE2.
3783 (override_options): Add entries for Core2.
3784 (ix86_issue_rate): Add case for Core2.
3786 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
3788 * doc/invoke.texi: Fix mno-isel typo.
3790 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3792 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
3793 easy vector constant loads.
3795 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3797 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
3798 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3799 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
3800 * config/rs6000/sync.md (lwsync): Emit plain sync if
3803 2006-11-17 DJ Delorie <dj@redhat.com>
3805 * reload1.c (reloads_unique_chain): New.
3806 (reloads_conflict): Call it.
3808 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3810 * config/xtensa/predicates.md (addsubx_operand): New.
3811 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
3812 (xtensa_emit_bit_branch): New.
3813 (xtensa_emit_movcc): New.
3814 * config/xtensa/xtensa.md (any_minmax): New code macro.
3815 (minmax): New code attribute.
3816 (any_cond, any_scc, any_scc_sf): New code macros.
3817 (*addx2, *addx4, *addx8): Delete.
3819 (*subx2, *subx4, *subx8): Delete.
3821 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
3822 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
3823 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
3824 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
3825 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
3826 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
3827 (movsfcc_internal0, movsfcc_internal1): Likewise.
3828 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
3829 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
3830 (xtensa_emit_bit_branch): New.
3831 (xtensa_emit_movcc): New.
3832 (function_arg_boundary): Add missing prototype.
3834 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3836 * config/xtensa/xtensa.md (tstsi): Delete
3838 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3840 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
3842 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3844 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3846 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3848 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
3850 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3852 * tree-vrp.c (execute_vrp): Do not update current_loops.
3853 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
3854 * doc/loop.texi: Remove documentation for cancelled functions.
3855 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
3856 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
3858 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
3859 (remove_path): Ensure that in delete_basic_blocks, the loops
3860 are still allocated.
3861 (add_loop): Work on valid loop structures.
3862 (loopify): Modify call of add_loop.
3863 (mfb_update_loops): Removed.
3864 (create_preheader): Do not update loops explicitly.
3865 (force_single_succ_latches, loop_version): Do not use
3866 loop_split_edge_with.
3867 (loop_split_edge_with): Removed.
3868 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
3869 Do not use bsi_insert_on_edge_immediate_loop.
3870 (split_loop_exit_edge, tree_unroll_loop): Do not use
3871 loop_split_edge_with.
3872 (bsi_insert_on_edge_immediate_loop): Removed.
3873 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
3874 use loop_split_edge_with.
3875 * cfghooks.c: Include cfgloop.h.
3876 (verify_flow_info): Verify that loop_father is filled iff current_loops
3878 (redirect_edge_and_branch_force, split_block, delete_basic_block,
3879 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
3881 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
3883 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
3884 loop_split_edge_with.
3885 (sms_schedule): Use current_loops.
3886 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
3887 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
3889 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
3890 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
3891 * ifcvt.c (if_convert): Ditto.
3892 * predict.c (predict_loops): Do not clear current_loops.
3893 (tree_estimate_probability): Use current_loops.
3894 (propagate_freq): Receive head of the region to propagate instead of
3896 (estimate_loops_at_level): Do not use shared to_visit bitmap.
3897 (estimate_loops): New function. Handle case current_loops == NULL.
3898 (estimate_bb_frequencies): Do not allocate tovisit. Use
3900 * tree-ssa-loop.c (current_loops): Removed.
3901 (tree_loop_optimizer_init): Do not return loops.
3902 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
3903 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
3904 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
3905 Do not update loops explicitly.
3906 * function.h (struct function): Add x_current_loops field.
3907 (current_loops): New macro.
3908 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
3909 * loop-unroll.c (split_edge_and_insert): New function.
3910 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
3911 use loop_split_edge_with.
3912 * loop-doloop.c (add_test, doloop_modify): Ditto.
3913 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
3914 * cfglayout.c (copy_bbs): Do not update loops explicitly.
3915 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
3916 * tree-vect-transform.c (vect_transform_loop): Do not update loops
3918 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
3919 (flow_loops_free): Do not free dfs_order and rc_order.
3920 (flow_loops_find): Do not set dfs_order and rc_order in loops
3921 structure. Do not call loops and flow info verification.
3922 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
3923 already belongs to some loop.
3924 * cfgloop.h (struct loops): Remove struct cfg.
3925 (current_loops, loop_split_edge_with): Declaration removed.
3926 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
3927 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
3928 Declaration removed.
3929 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
3930 * basic-block.h (split_edge_and_insert): Declare.
3931 * tree-cfg.c (remove_bb): Do not update loops explicitly.
3933 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3935 PR tree-optimization/29801
3936 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
3937 (get_default_value): Use get_symbol_constant_value.
3938 (set_lattice_value): ICE when the value of the constant is
3940 (visit_assignment): Ignore VDEFs of read-only variables.
3942 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3944 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
3946 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3947 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
3949 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3951 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
3952 select subvars of var.
3954 2006-11-17 Jakub Jelinek <jakub@redhat.com>
3957 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
3958 optimize if DEF doesn't have integral type.
3960 2006-11-16 Mike Stump <mrs@apple.com>
3962 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
3963 pre-darwin9 system, unless the user asks for it directly.
3964 (PREFERRED_DEBUGGING_TYPE): Likewise.
3965 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3966 * config.gcc: Add suppport for darwin9.h.
3967 * config/darwin9.h: Add.
3968 * doc/install.texi (Specific): Clarify darwin documentation.
3970 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3972 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
3973 optimizing for size.
3975 2006-11-16 Mike Stump <mrs@apple.com>
3977 * Makefile.in (targhooks.o): Add $(OPTABS_H).
3979 2006-11-16 Dirk Mueller <dmueller@suse.de>
3981 * tree-vrp.c (get_value_range): Use XCNEW instead
3983 (insert_range_assertions): Use XCNEWVEC instead
3984 of XNEWVEC and memset.
3985 (vrp_initialize): Same.
3986 (vrp_finalize): Same.
3987 * tree-ssa-ccp.c (ccp_initialize): Same.
3988 * predict.c (tree_bb_level_predictions): Same.
3989 * calls.c (expand_call): Same.
3990 * tree-ssa-copy.c (init_copy_prop): Same.
3991 (fini_copy_prop): Same.
3992 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
3993 of GGC_NEW and memset.
3995 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
3998 * gimplify.c (gimplify_expr): Only force a load for references to
3999 non-BLKmode volatile values.
4000 * doc/implement-c.texi (Qualifiers implementation): Document the
4001 interpretation of what a volatile access is.
4002 * doc/extend.texi (C++ Extensions): Rework same documentation.
4004 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4006 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4009 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4011 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4013 (arm_neg_abssi2): Renamed from neg_abssi2.
4014 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4016 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4018 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4019 number of arguments passed to local functions in SSE registers is 3.
4021 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4022 number of arguments passed in SSE registers to 3.
4024 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4027 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4029 (get_last_bb_insn): ... new global function.
4030 (basic_block.h): Declare it.
4031 * haifa-sched.c (create_recovery_block): Use it.
4033 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4036 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4038 2006-11-15 Paul Brook <paul@codesourcery.com>
4040 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4041 _Unwind_GetTextRelBase): Move from here ...
4042 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4043 _Unwind_GetTextRelBase): ... To here.
4045 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4047 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4048 addresses we generate for testing are aligned.
4050 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4053 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4054 to what is the const decl is a place holder for.
4056 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4058 * config/i386/i386.opt: New target option -mx87regparm.
4060 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4061 and float_in_x87 variables. mmx_words, sse_words: Remove.
4062 (X87_REGPARM_MAX): Define.
4064 * config/i386/i386.c (override_options): Error out for
4065 -mx87regparm but no 80387 support.
4066 (ix86_attribute_table): Add x87regparm.
4067 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4068 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4069 (ix86_function_x87regparm): New function.
4070 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4072 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4074 (function_arg_advance): Process x87_nregs and x87_regno when
4075 floating point argument is to be passed in 80387 register.
4076 (function_arg): Pass XFmode arguments in 80387 registers for local
4077 functions. Pass SFmode and DFmode arguments to local functions
4078 in 80387 registers when flag_unsafe_math_optimizations is set.
4080 * reg-stack.c (convert_regs_entry): Disable NaN load for
4081 stack registers that are used for argument passing.
4083 * doc/extend.texi: Document x87regparm function attribute.
4084 * doc/invoke.texi: Document -mx87regparm.
4086 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4088 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4089 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4090 arg MODE; all callers changed. Use it to determine validity per
4091 machine mode instead of using Pmode for all memory references.
4092 (get_address_cost): Likewise add and use new arg MEM_MODE.
4094 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4095 J"orn Rennecke <joern.rennecke@st.com>
4097 * combine.c (likely_spilled_retval_1): Fix masking operation.
4098 (likely_spilled_retval_p): Use proper pattern for call to
4099 likely_spilled_retval_1.
4101 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4103 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4105 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4106 that tests for CONSTANT_POOL_ADDRESS_P.
4108 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4110 PR tree-optimization/29581
4111 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4112 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4113 type is different between Y and USE, create a temporary
4114 variable, initialize it at the beginning of the body bb
4115 and use it as replacement instead of Y.
4117 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4120 * gimplify.c (fold_indirect_ref_rhs): Use
4121 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4123 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4125 * expmed.c (emit_store_flag_1): New function.
4126 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4128 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4129 Use do_compare_rtx_and_jump.
4130 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4131 * arm.md (cstoresi4): New define_expand.
4132 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4133 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4134 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4136 2006-11-14 Caroline Tice <ctice@apple.com>
4138 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4139 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4141 (pubname_table): Redefine as a vector.
4142 (pubtype_table): New static global variable, defined as a vector.
4143 (pubname_table_allocated): Remove static global variable.
4144 (pubname_table_in_use): Remove static global variable.
4145 (PUBNAME_TABLE_INCREMENT): Remove constant.
4146 (size_of_pubnames): Add parameter to deal with either pubnames or
4147 pubtypes, and change code to deal with table being a vector.
4148 (add_pubname): Change to deal with table being a vector.
4149 (add_pubtype): New function.
4150 (output_pubnames): Add parameter to deal with either pubnames or
4151 pubtypes, and change code to deal with table being a vector.
4152 (gen_array_type_die): Add call to add_pubtype.
4153 (gen_enumeration_type_die): Add call to add_pubtype.
4154 (gen_struct_or_union_type_die): Add call to add_pubtype.
4155 (gen_subroutine_type_die): Add call to add_pubtype.
4156 (gen_typedef_die): Add call to add_pubtype.
4157 (dwarf2out_init): Add code to initialize pubname_table and
4158 pubtype_table vectors; also initialize debug_pubtypes_section.
4159 (prune_unused_types): Change to deal with pubnames being a vector.
4160 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4161 pubnames table to call to output_pubnames; Add code to output pubtypes
4162 table if DEBUG_PUBTYPES_SECTION is defined.
4163 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4165 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4167 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4169 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4170 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4171 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4172 movv2si_internal): Support moves between core registers.
4174 2006-11-14 Eric Christopher <echristo@apple.com>
4176 * configure: Regenerate with autoconf 2.59.
4178 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4180 Fix PR tree-optimization/27755
4182 * tree-ssa-pre.c: Update comments.
4183 (bb_bitmap_sets): Add pa_in and deferred member.
4184 (BB_DEFERRED): New macro.
4185 (maximal_set): New variable.
4186 (pre_stats): Add pa_insert member.
4187 (bitmap_set_and): Short circuit orig == dest.
4188 (bitmap_set_subtract_values): New function.
4189 (bitmap_set_contains_expr): Ditto.
4190 (translate_vuses_through_block): Add phiblock argument.
4191 (dependent_clean): New function.
4192 (compute_antic_aux): Update for maximal_set changes.
4193 (compute_partial_antic_aux): New function.
4194 (compute_antic): Handle partial anticipation.
4195 (do_partial_partial_insertion): New function.
4196 (insert_aux): Handle partial anticipation.
4197 (add_to_sets): Add to maximal set.
4198 (compute_avail): Ditto.
4199 (init_pre): Initialize maximal_set.
4200 (execute_pre): Do partial anticipation if -O3+.
4202 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4204 PR rtl-optimization/29798
4206 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4207 TARGET_INSN before any other check.
4208 (fwprop_init): Always calculate dominators.
4209 (fwprop_done): Always free them.
4211 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4213 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4216 2006-11-13 DJ Delorie <dj@redhat.com>
4218 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4219 temporary for intermediates.
4221 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4223 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4224 (sh_optimize_target_register_callee_saved): #if 0 the code
4225 using NOTE_INSN_LOOP_{BEG,END}.
4227 2006-11-13 Roger Sayle <roger@eyesopen.com>
4229 * fold-const.c (optimize_bit_field_compare): Recursively call
4230 fold when simplifying non-constant comparisons between bit-fields.
4232 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4234 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4236 * configure: Rebuilt.
4238 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4240 * config/rs6000/cell.md: New file.
4241 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4243 (ppccell_cost): New cost matrix.
4244 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4245 (rs6000_override_options): Set rs6000_always_hint to false
4246 for cell. Also align functions/lables/loops to 8byte
4247 for the Cell. Use PROCESSOR_CELL.
4248 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4249 using_mtcr_multiple.
4250 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4251 on the Cell, return 0.
4252 (rs6000_adjust_cost): Add Cell cost adjustments.
4253 (is_microcoded_insn): Return true for Cell microcoded
4255 (is_nonpipeline_insn): New function.
4256 (rs6000_issue_rate): Add PROCESSOR_CELL.
4257 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4259 (rs6000_use_sched_lookahead_guard): New function.
4260 (rs6000_sched_reorder): Reorder the ready list, if the second
4261 to last ready insn is a nonepipeline insn on the Cell.
4262 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4263 (ASM_CPU_SPEC): Add Cell.
4264 * config/rs6000/rs6000.md (cpu): Add Cell.
4265 (cell_micro): New Attr.
4268 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4270 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4272 * configure: Rebuilt.
4274 2006-11-13 Richard Guenther <rguenther@suse.de>
4276 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4278 (ix86_expand_lfloorceil): Likewise.
4279 (ix86_expand_rint): Likewise.
4280 (ix86_expand_floorceildf_32): Likewise.
4281 (ix86_expand_floorceil): Likewise.
4282 (ix86_expand_rounddf_32): Likewise.
4283 (ix86_expand_truncdf_32): Likewise.
4284 (ix86_expand_round): Likewise.
4286 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4287 Mark Mitchell <mark@codesourcery.com>
4289 * gcc.c: Organize search path variables into $prefix relative,
4290 and well-known native. Add comments.
4291 (add_sysrooted_prefix): Add comment.
4292 (process_command): If !gcc_exec_prefix add $prefix based paths.
4293 If *cross_compile == '0', add native well-known paths.
4294 Assert tooldir_base_prefix is always relative.
4295 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4296 use this value for 'install:' path.
4297 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4299 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4301 * config/i386/i386.c: Fix a typo in comment.
4303 2006-11-13 Michael Matz <matz@suse.de>
4305 * genemit.c (gen_expand): Allocate enough memory.
4307 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4309 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4310 __GXX_TYPEINFO_EQUALITY_INLINE but not
4311 __GXX_MERGED_TYPEINFO_NAMES.
4312 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4313 __GXX_MERGED_TYPEINFO_NAMES.
4314 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4315 __GXX_TYPEINFO_EQUALITY_INLINE.
4317 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4318 Zdenek Dvorak <dvorakz@suse.cz>
4320 PR tree-optimization/29680
4321 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4324 2006-11-12 Jason Merrill <jason@redhat.com>
4325 Andrew Pinski <pinskia@physics.uc.edu>
4328 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4330 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4332 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4333 * tree.c (build_vector): Handle non-_CST elements.
4335 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4337 * genemit.c (gen_insn): Call gen_exp with a non-null used
4338 when handling multiple insns.
4339 (gen_expand): Likewise.
4340 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4341 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4342 (movsi_const_16bit+1): Copy operands[1].
4343 (call_pcrel): Copy the call_site pattern.
4344 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4346 2006-11-12 Roger Sayle <roger@eyesopen.com>
4348 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4349 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4350 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4351 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4353 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4355 Fix PR tree-optimization/29587
4356 * tree-ssa-structalias.c (process_constraint): Don't
4357 mark address taken due only to escaped vars constraint.
4359 2006-11-12 Michael Matz <matz@suse.de>
4360 Roger Sayle <roger@eyesopen.com>
4362 PR rtl-optimization/29797
4363 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4364 BITS_BIG_ENDIAN targets.
4366 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4368 * builtins.c (fold_builtin_cosh): New.
4369 (fold_builtin_1): Use it.
4370 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4371 trunc to the list of "odd" functions. Also add llrint, lrint,
4372 rint and nearbyint when flag_rounding_math is false.
4374 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4376 * tree-flow.h (name_mappings_registered_p): Declare.
4377 * tree-into-ssa.c (name_mappings_registered_p): New function.
4378 * tree-cfg.c (tree_can_merge_blocks_p): Check
4379 name_mappings_registered_p instead of need_ssa_update_p.
4381 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4383 * tree-ssa-loop.c (tree_vectorize): Return the result of
4385 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4386 if anything changed.
4387 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4388 * tree-flow.h (vectorize_loops): Declaration changed.
4390 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4392 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4394 (issue_prefetch_ref): Move assignment to write_p out of loop.
4395 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4396 SIMULTANEOUS_PREFETCHES into account.
4397 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4398 * lambda-code.c (lcm): Renamed to ...
4399 (least_common_multiple): ... and exported.
4400 * tree-flow.h (least_common_multiple): Declare.
4402 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4404 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4405 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4406 ud-chains. Handle AND_EXPR.
4407 (record_estimate): Record whether the estimate is realistic
4408 and whether it is derived from a loop exit.
4409 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4410 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4412 (compute_estimated_nb_iterations): Take only realistic bounds into
4413 account. Set estimate_state. Use double_ints.
4414 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4415 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4416 that do not have to be always executed.
4417 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4418 to determine whether to call infer_loop_bounds_from_undefined
4419 and compute_estimated_nb_iterations.
4420 (n_of_executions_at_most): Use double_ints.
4421 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4422 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4423 * double-int.c (double_int_to_tree): Improve comment.
4424 (double_int_fits_to_tree_p): New function.
4425 * double-int.h (double_int_fits_to_tree_p): Declare.
4426 * tree-data-ref.c: Include langhooks.h.
4427 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4428 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4429 (analyze_array): Do not pass estimate_only argument to
4430 analyze_array_indexes.
4431 (get_number_of_iters_for_loop): Build tree from the stored double_int
4433 (get_references_in_stmt, find_data_references_in_stmt): New functions.
4434 (find_data_references_in_loop): Use find_data_references_in_stmt.
4435 * tree-data-ref.h (struct data_ref_loc_d): New.
4436 (get_references_in_stmt): Declare.
4437 (estimate_iters_using_array): Declaration removed.
4438 * cfgloop.h (struct nb_iter_bound): Change type of bound to
4439 double_int. Improve comments. Add is_exit and realistic
4441 (struct loop): Changed type of estimated_nb_iterations to double_int.
4442 Added estimate_state field.
4443 (record_estimate): Declaration removed.
4445 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4447 * params.c (set_param_value): Initialize the "set" field.
4448 * params.h (struct param_info): Add "set" field.
4449 (PARAM_SET_P): New macro.
4450 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
4451 L1_CACHE_LINE_SIZE): New macros.
4452 * toplev.c (DEFPARAM): Initialize the "set" field.
4453 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
4454 SIMULTANEOUS_PREFETCHES): Removed.
4455 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
4456 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
4457 * config/sparc/sparc.c: Include params.h.
4458 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
4459 L1_CACHE_LINE_SIZE parameters.
4460 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4462 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4464 * config/i386/i386.c: Include params.h.
4465 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
4466 (override_options): Set SIMULTANEOUS_PREFETCHES and
4467 L1_CACHE_LINE_SIZE parameters.
4468 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
4469 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
4470 L1_CACHE_LINE_SIZE parameters.
4471 * config/ia64/ia64.c (ia64_optimization_options): Set
4472 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
4473 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
4475 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
4476 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
4477 * doc/invoke.texi: Document new params.
4479 2006-11-12 Roger Sayle <roger@eyesopen.com>
4481 PR tree-optimization/13827
4482 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
4485 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4487 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
4488 update_single_exit_for_duplicated_loops): New functions.
4489 (duplicate_loop_to_header_edge): Use
4490 update_single_exit_for_duplicated_loops.
4491 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
4492 functions only with ENABLE_CHECKING.
4494 2006-11-12 Andreas Schwab <schwab@suse.de>
4496 * except.c (sjlj_emit_function_enter): Remove unused variable.
4498 2006-11-11 Roger Sayle <roger@eyesopen.com>
4500 * fold-const.c (int_binop_types_match_p): New function.
4501 (size_binop): Relax constraint that both arguments must both have
4502 exactly the same sizetype type. Instead use int_binop_types_match_p.
4503 (size_diffop): Likewise.
4505 (make_range): Use build_int_cst instead of fold_convert.
4506 (fold_cond_expr_with_comparison): Use build_int_cst to construct
4507 integer constants of the correct type.
4508 (fold_div_compare): Likewise.
4509 (fold_single_bit_test): Likewise.
4510 (fold_binary): Likewise.
4511 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
4512 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
4514 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4517 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
4518 non null value if the struct memory access is in the 0th
4521 2006-11-12 Jie Zhang <jie.zhang@analog.com>
4524 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4525 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4528 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
4529 instead of builtin_define for bfin and BFIN.
4531 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4533 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4536 2006-11-11 Jan Hubicka <jh@suse.cz>
4538 * extend.texi (__builtin_expect): We no longer require second argument
4540 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
4541 * builtins.c (expand_builtin_expect): Simplify.
4542 (expand_builtin_expect_jump): Kill.
4543 * final.c (final_scan_insn): Do not skip the removed notes.
4544 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
4545 EXPECTED_VALUE): Remove.
4546 * dojump.c (do_jump): Do not care about __builtin_expect.
4547 * predict.c (expected_value_to_br_prob): Kill.
4548 * function.c (expand_function_end): Do not expand
4549 NOTE_INSN_REPEATED_LINE_NUMBER.
4550 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
4551 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
4552 * cfgexpand.c (add_reg_br_prob_note): Export.
4553 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4554 expected_value_to_br_prob.
4555 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
4556 * rtl.h (add_reg_br_prob_note): Declare.
4558 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4560 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
4562 2006-11-11 Jan Hubicka <jh@suse.cz>
4564 * predict.c (predict_loops): Kill RTL variant.
4566 2006-11-11 Jan Hubicka <jh@suse.cz>
4568 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4569 * modulo-sched.c (find_line_note): Remove.
4570 (loop_canon_p): Do not worry about line number notes.
4571 (sms_schedule): Likewise.
4572 * cse.c (cse_main): Likewise.
4573 * regmove.c (fixup_match_1): Likewise
4574 * function.c (emit_return_info_block): Likewise.
4575 (expand_function_end): Likewise.
4576 (thread_prologue_an_epilogue_insns): Likewise.
4577 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
4579 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
4580 emit_note_copy_after): Kill.
4581 (emit_note_copy): Do not worry about line numbers.
4582 * jump.c (purge_line_number_notes): Kill.
4583 (pass_purge_lineno_notes): Kill.
4584 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
4586 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
4587 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
4588 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
4589 * tree-pass.h (pass_purge_lineno_notes): Kill.
4590 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
4591 rm_redundant_line_notes.
4592 * sched-rgb.c (schedule_region): Don't rm_line_notes,
4593 rm_redundant_line_notes.
4594 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
4595 * haifa-sched.c: Update comment about handling notes.
4596 (unlink_line_notes): Kill.
4597 (rm_line_notes): Kill.
4598 (save_line_notes): Simplify.
4599 (rm_redundant_line_notes): Kill.
4601 2006-11-11 Richard Guenther <rguenther@suse.de>
4603 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
4604 Remove unused tree codes.
4605 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
4606 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
4607 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4608 * tree.c (stabilize_reference): Likewise.
4609 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
4610 fold_unary): Likewise.
4611 * tree-gimple.c (is_gimple_cast): Likewise.
4612 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
4613 * expr.c (expand_expr_real_1): Likewise.
4614 * tree-eh.c (tree_could_trap_p): Likewise.
4615 * gimplify.c (gimplify_expr): Likewise.
4616 * tree-inline.c (estimate_num_insns_1): Likewise.
4617 * tree-cfg.c (verify_expr): Likewise.
4619 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4621 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
4622 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
4623 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
4625 2006-11-11 Richard Sandiford <richard@codesourcery.com>
4628 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
4629 constraints accept neither registers or memories.
4631 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4633 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
4634 (NO_PROFILE_COUNTERS): Define as 1.
4636 2006-11-10 Roger Sayle <roger@eyesopen.com>
4638 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
4639 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
4641 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
4643 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
4645 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4647 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
4648 (fold_builtin_hypot): Likewise.
4649 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
4651 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
4653 2006-11-10 Roger Sayle <roger@eyesopen.com>
4655 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
4656 when attempting to build INTEGER_CSTs of non-integral types.
4657 * expmed.c (make_tree): Use the correct type, i.e. the inner
4658 type, when constructing the individual elements of a CONST_VECTOR.
4660 2006-11-10 Jan Hubicka <jh@suse.cz>
4662 * cse.c (cse_process_notes): Copy the propagated value.
4663 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
4665 * gcse.c (try_replace_reg): Copy the replacement.
4666 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
4667 (assign_386_stack_local): Always return copied memory expression
4668 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
4671 2006-11-10 Jan Hubicka <jh@suse.cz>
4673 * final.c (final): Walk from first instruction.
4674 * cfglayout.c (insn_locators_initialize): Remove line number notes.
4676 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
4679 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
4681 (umulv8hi3_highpart): Ditto.
4682 (vec_widen_smult_hi_v8hi): New expander.
4683 (vec_widen_smult_lo_v8hi): Ditto.
4685 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4688 * builtins.c (do_mpfr_arg3): New.
4689 (fold_builtin_1): Handle builtins fma, fmin and fmax.
4691 2006-11-09 Eric Christopher <echristo@apple.com>
4696 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
4697 * config.gcc (powerpc64-*-darwin*): New target.
4698 * config.host: Ditto.
4699 * config/rs6000/darwin64.h: New file.
4700 * config/rs6000/x-darwin64: Ditto.
4701 * config/rs6000/host-ppc64-darwin.c: Ditto.
4703 2006-11-09 Steve Ellcey <sje@cup.hp.com>
4705 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
4706 routines for integer division.
4708 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
4710 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
4712 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4715 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
4717 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4719 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
4720 simplify_subreg with BLKmode outer mode.
4722 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
4724 * doc/invoke.texi: Minor formatting fixes in option lists.
4726 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
4728 PR tree-optimization/29738
4729 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
4730 (ccp_lattice_t): Remove UNKNOWN_VAL.
4731 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
4732 Do not handle UNKNOWN_VAL.
4733 (get_default_value): Set initial value of virtual operands to
4735 (get_value): Always use get_default_value on uninitialized
4737 (set_value_varying, surely_varying_stmt_p): New functions.
4738 (set_lattice_value): Do not pass argument to get_value.
4739 Do not handle UNKNOWN_VAL.
4740 (likely_value): Follow the semantics described in the comment.
4741 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
4742 phi nodes DONT_SIMULATE_AGAIN.
4743 (ccp_fold): Do not pass argument to get_value.
4744 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
4747 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4749 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4750 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
4752 2006-11-08 Roger Sayle <roger@eyesopen.com>
4754 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
4755 test for inclusion rather than as a test for exclusion.
4756 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
4757 the condition after calling fold_binary.
4758 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
4759 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
4760 * builtins.c (fold_builtin_isascii): Likewise.
4761 (fold_builtin_isdigit): Likewise.
4763 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
4765 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
4766 * configure: Regenerate.
4768 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4770 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
4771 enum argument instead of bool.
4772 (vect_analyze_operations): Call vectorizable_type_promotion.
4773 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
4774 stmt_vec_info_type value.
4775 (supportable_widening_operation, vectorizable_type_promotion): New
4776 function declarations.
4777 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
4778 (vectorizable_type_promotion): New function.
4779 (vect_transform_stmt): Call vectorizable_type_promotion.
4780 * tree-vect-analyze.c (supportable_widening_operation): New function.
4781 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
4783 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4786 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
4787 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
4788 * tree-inline.c (estimate_num_insns_1): Add cases for above new
4790 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4791 * expr.c (expand_expr_real_1): Likewise.
4792 * optabs.c (optab_for_tree_code): Likewise.
4793 (init_optabs): Initialize new optabs.
4794 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
4795 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
4796 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
4797 vec_unpacku_lo_optab): Initialize new optabs.
4798 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
4799 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
4800 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
4802 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
4803 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
4804 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
4805 (vec_unpacku_lo_optab): New optabs.
4806 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
4807 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
4808 (vec_widen_smult_hi, vec_widen_smult_lo): New.
4809 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
4810 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
4811 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
4813 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
4814 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
4815 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
4816 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
4817 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
4818 implement the unsigned unpacking patterns.
4819 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
4820 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
4821 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
4822 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
4823 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
4824 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
4825 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
4826 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
4827 multiplication patterns.
4829 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
4830 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
4831 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4832 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
4833 (rs6000_builtin_mul_widen_odd): New.
4834 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
4835 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
4836 * tree-vectorizer.h (enum vect_relevant): New enum type.
4837 (_stmt_vec_info): Field relevant chaned from bool to enum
4839 (STMT_VINFO_RELEVANT_P): Updated.
4840 (STMT_VINFO_RELEVANT): New.
4841 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
4842 instead of STMT_VINFO_RELEVANT_P.
4843 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
4844 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
4845 and boolean variable with enum vect_relevant.
4846 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
4847 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
4848 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4850 2006-11-08 Richard Henderson <rth@redhat.com>
4852 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
4853 vec_widen_umult_lo_v8hi): New.
4854 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
4855 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
4857 * config/i386/i386.c (ix86_expand_sse_unpack): New.
4858 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
4859 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
4860 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
4861 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
4862 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
4863 vec_unpacks_lo_v4si): New.
4865 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4867 * tree-vect-transform.c (vectorizable_type_demotion): New function.
4868 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
4869 (vect_analyze_operations): Call vectorizable_type_demotion.
4870 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
4871 stmt_vec_info_type value.
4872 (vectorizable_type_demotion): New function declaration.
4873 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4876 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
4877 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
4879 * tree-iniline.c (estimate_num_insns_1): Likewise.
4880 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4881 * optabs.c (optab_for_tree_code): Likewise.
4883 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
4884 compared against the predicate of the result is not 'mode' (the input
4885 to the function) but a mode with half the size of 'mode'.
4886 (init_optab): Initialize new optabs.
4887 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
4889 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
4891 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
4892 (vec_pack_usat_optab): Initialize new optabs.
4893 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
4894 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
4896 2006-11-08 Richard Henderson <rth@redehat.com>
4898 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
4899 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
4900 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
4901 (vec_interleave_highv4si, vec_interleave_lowv4si):
4902 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
4904 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4906 * tree-vect-transform.c (vectorizable_reduction): Support multiple
4908 (vect_transform_stmt): Removed redundant code.
4910 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4912 * tree-vect-transform.c (vectorizable_operation): Support multiple
4915 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4917 * tree-vect-transform.c (vect_align_data_ref): Removed.
4918 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
4919 Updated function documentation. Return the increment stmt in ptr_incr.
4920 (bump_vector_ptr): New function.
4921 (vect_get_vec_def_for_stmt_copy): New function.
4922 (vect_finish_stmt_generation): Create a stmt_info to newly created
4924 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
4926 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
4927 VF is greater than the number of elements that can fit in one vector
4929 (vectorizable_operation, vectorizable_condition): Likewise.
4930 (vectorizable_store, vectorizable_load): Support the case that the VF
4931 is greater than the number of elements that can fit in one vector word.
4932 (vect_transform_loop): Don't fail in case of multiple data-types.
4933 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
4934 in case of multiple data-types; the smallest type determines the VF.
4935 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
4936 if they are of different sizes.
4937 (vect_update_misalignment_for_peel): Compare misalignments in terms of
4938 number of elements rather than number of bytes.
4939 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
4940 (vect_can_advance_ivs_p): Fix a dump printout
4942 2006-11-07 Eric Christopher <echristo@apple.com>
4944 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
4945 (__bswapsi2): Ditto.
4946 * libgcc2.h: Remove transformation of bswap routines.
4947 * config/i386/i386.md (bswapsi2): New.
4950 2006-11-07 Jakub Jelinek <jakub@redhat.com>
4952 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
4953 (handle_gnu_inline_attribute): New function.
4954 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
4955 (merge_decls, start_decl, start_function): Likewise.
4956 * doc/extend.texi: Document gnu_inline attribute.
4958 2006-11-07 Steve Ellcey <sje@cup.hp.com>
4961 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
4962 _fixunstfdi, and _floatditf
4964 2006-11-06 Anatoly Sokolov <aesok@post.ru>
4966 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
4968 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
4969 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
4970 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
4971 which start in an odd register.
4973 2006-11-07 Richard Sandiford <richard@codesourcery.com>
4975 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
4977 2006-11-07 Josh Conner <jconner@apple.com>
4979 * doc/invoke.texi (fstrict-aliasing): Move implementation
4981 * doc/tree-ssa.texi (Alias analysis): ...here.
4983 2006-11-07 Richard Guenther <rguenther@suse.de>
4985 PR tree-optimization/29610
4986 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
4987 of tree_purge_dead_eh_edges as it may free dominators.
4989 * g++.dg/other/pr29610.C: New testcase.
4991 2006-11-07 David Ung <davidu@mips.com>
4993 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
4994 costs when optimizing for size.
4995 (override_options): Use mips_rtx_cost_optimize_size table for cost
4998 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5000 * gcc.c (process_command): Treat -b as normal switch if its argument
5003 2006-11-07 David Ung <davidu@mips.com>
5005 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5008 2006-11-06 Eric Christopher <echristo@apple.com>
5010 * config.gcc: Add x86_64-darwin host support.
5011 * config.host: Ditto.
5012 * config/i386/darwin64.h: New file.
5013 * config/i386/t-darwin64: Ditto.
5015 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5017 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5018 and output-exists-not.
5020 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5023 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5024 checking for overflow.
5026 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5028 * configure.ac: Fixed typo in case statement: :: changed to ;;
5030 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5032 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5033 count_leading_zeros, and count_trailing_zeros.
5034 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5035 (TARGET_FOLD_BUILTIN): Define.
5036 (TARGET_EXPAND_BUILTIN): Define.
5037 (xtensa_init_builtins): New.
5038 (xtensa_fold_builtin): New.
5039 (xtensa_expand_builtin): New.
5040 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5041 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5042 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5043 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5044 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5045 (any_extend): New code macro.
5046 (u, su): New code attributes.
5047 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5048 (nsau): Remove; replaced by clzsi2.
5049 (ffssi2): Use clzsi2.
5050 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5051 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5052 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5053 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5054 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5056 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5058 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5060 * config/arm/t-strongarm-elf: Likewise.
5061 * config/arm/t-pe: Likewise.
5062 * config/arm/t-arm-elf: Likewise.
5063 * config/arm/t-xscale-elf: Likewise.
5064 * config/arm/t-arm-coff: Likewise.
5065 * config/arm/t-xscale-coff: Likewise.
5066 * config/arm/t-wince-pe: Likewise.
5068 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5070 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5073 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5076 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5079 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5082 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5083 as a valid 80387 constant.
5084 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5085 * config/i386/i386.md (unnamed splitter): Split the load of
5086 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5089 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5091 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5092 from the soft-frame, argument and virtual registers.
5094 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5096 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5097 patterns for standard 80387 constants.
5099 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5100 Steven Bosscher <steven@gcc.gnu.org>
5102 * fwprop.c: New file.
5103 * Makefile.in: Add fwprop.o.
5104 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5105 * passes.c (init_optimization_passes): Schedule forward propagation.
5106 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5108 * timevar.def (TV_FWPROP): New.
5109 * common.opt (-fforward-propagate): New.
5110 * opts.c (decode_options): Enable forward propagation at -O2.
5111 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5112 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5113 canon_for_address, table_size): Remove.
5114 (new_basic_block, insert, remove_from_table): Remove references to
5116 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5117 simplification loop more straightforward by not calling fold_rtx
5119 (equiv_constant): Move here a small part of fold_rtx_subreg,
5120 do not call fold_rtx. Call avoid_constant_pool_reference
5122 * recog.h (canonicalize_change_group): New.
5124 * doc/invoke.texi (Optimization Options): Document fwprop.
5125 * doc/passes.texi (RTL passes): Document fwprop.
5127 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5129 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5130 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5131 (grokdeclarator): Likewise.
5133 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5135 * tree-dump.c (dump_enable_all): Rename local variable
5136 ir_type to avoid name conflicts.
5137 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5138 instead of using ir_type().
5139 * profile.c (tree_register_profile_hooks): Likewise.
5140 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5141 * basic-block.h (struct edge_def): Likewise.
5142 * config/arm/arm.c (legitimize_pic_address): Likewise.
5143 * coretypes.h (ir_type): New enum of all intermediate languages
5145 * cfghooks.c (ir_type): Rename to...
5146 (current_ir_type): ...this. Distinguish between cfgrtl and
5147 cfglayout mode when the current IR is RTL. Return enum ir_type.
5148 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5150 2006-11-03 Paul Brook <paul@codesourcery.com>
5152 * config/arm/arm.c (arm_file_start): New function.
5153 (TARGET_ASM_FILE_START): Define.
5154 (arm_default_cpu): New variable.
5155 (arm_override_options): Set arm_default_cpu.
5157 2006-11-03 David Ung <davidu@mips.com>
5159 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5160 PROCESSOR_24KC and PROCESSOR_24KF.
5161 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5162 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5163 (mips_rtx_cost_data): Add costs for the 24kc.
5164 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5165 * config/mips/24k.md: Remove references to 24k and replace with
5166 uses of 24kc/24kf in the appropriate reservations.
5167 * doc/invoke.texi (MIPS Options): Updated.
5169 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5171 * config/sh/crt1.asm: Fix #ifdef indent.
5173 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5174 Merged from STMicroelectronics sources:
5175 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5176 * config/sh/crt1.asm (vbr_600): Add missing #if.
5177 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5178 * sh.opt (mfused-madd): New option.
5179 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5180 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5181 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5182 Remove pointless handler at VBR+0.
5183 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5184 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5185 fr7. Make sure the timer handler is called with the correct FPU
5186 precision setting, according to the ABI.
5187 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5188 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5189 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5190 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5191 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5192 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5193 zero as second operand.
5194 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5195 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5196 Fixed some bugs related to negative values, in particular -0
5197 and overflow at -0x80000000.
5198 * config/sh/divcost-analysis: Added sh4-300 figures.
5199 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5200 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5201 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5202 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5203 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5204 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5206 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5208 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5209 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5210 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5211 mac_mem, mem_mac, dfp_mul, fp_cmp.
5212 (insn_class, dfp_comp, any_fp_comp): Update.
5213 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5214 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5215 (muldf3_i): Likewise.
5216 (movsi_i): Split rI08 alternative into two separate alternatives.
5218 (movsi_ie, movsi_i_lowpart): Likewise.
5219 (movqi_i): Split ri alternative into two separate alternatives.
5221 * sh1.md (sh1_load_store, sh1_fp): Update.
5222 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5223 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5224 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5225 (sh4a_fp_double_arith): Likewise.
5226 * sh4-300.md: New file.
5227 * sh.c (sh_handle_option): Handle m4-300* options.
5228 (sh_adjust_cost): Fix latency of auto-increments.
5229 Handle SH4-300 differently than other SH4s. Check for new insn types.
5230 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5231 been set by an option.
5232 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5233 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5234 (mbranch-cost=): Likewise.
5235 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5237 * sh.md (mulsf3): Remove special expansion code.
5238 (mulsf3_ie): Now a define_insn_and_split.
5239 (macsf3): Allow for TARGET_SH4.
5241 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5242 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5243 (expand_cbranchdi4): Likewise.
5244 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5245 CONST_DOUBLE if the outer code is COMPARE.
5246 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5247 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5248 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5249 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5250 Remove redundant fp_{zero,one}_operand checks.
5251 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5252 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5253 (expand_cbranchdi4): Likewise.
5254 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5255 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5257 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5259 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5262 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5264 * doc/invoke.texi: Fix mfp-trap-mode typo.
5266 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5268 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5269 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5270 file_end_indicate_exec_stack.
5271 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5273 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5274 for a non-executable stack.
5275 * crti.asm: Likewise.
5276 * crtn.asm: Likewise.
5277 * libunwind.S: Likewise.
5279 2006-11-02 Ben Elliston <bje@au.ibm.com>
5281 * tree-ssa.c (warn_uninit): Use expand_location variables for
5282 locus and declaration locus.
5284 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5287 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5288 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5289 cmp{eq,gt,gtu}{si,di}_media.
5290 (*cmpne0si_media): Remove.
5291 (*movsicc_umin): Adjust gen_cmp*_media call.
5292 (unordered): Change the mode of unordered and operands[1] to
5294 (seq): Adjust gen_cmp*_media calls. Make the mode of
5295 a temporary result of compare SImode if needed. If the mode
5296 of operands[0] is DImode, extend the temporary result to DImode.
5297 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5298 (sunorderd): Change the mode of match_operand and unorderd to
5300 (cmpeq{sf,df}_media): Remove.
5301 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5302 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5303 and compare operation to SImode.
5305 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5307 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5309 (sparc64-sun-solaris2*): Likewise.
5311 2006-11-02 Paul Brook <paul@codesourcery.com>
5313 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5314 from priority argument. Use different section for non-default
5316 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5318 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5321 * except.c (switch_to_exception_section): Do not cache the section
5322 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5323 and flag_function_sections is set.
5325 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5328 * builtins.c (do_mpfr_sincos): New.
5329 (fold_builtin_1): Use it to fold builtin sincos.
5331 2006-11-01 Roger Sayle <roger@eyesopen.com>
5333 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5334 it into -D_REENTRANT.
5336 2006-11-01 Roger Sayle <roger@eyesopen.com>
5338 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5339 whether the assembler supports taking the difference of symbols in
5340 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5341 * configure: Regenerate.
5342 * config.in: Regenerate.
5343 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5344 the assembler doesn't support taking the difference of symbols in
5345 different sections, i.e. we're using the native solaris assembler.
5347 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5348 Peter Bergner <bergner@vnet.ibm.com>
5350 * doc/invoke.texi: Add cpu_type power6x
5351 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5352 * config.gcc: Add cpu_type power6x.
5353 * configure.ac: Add test for mf{t,f}gpr instructions.
5354 (HAVE_AS_MFPGPR): New.
5355 * config.in: Regenerate.
5356 * configure: Regenerate.
5357 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5358 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5359 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5360 and mftgpr attributes.
5361 (define_attr "cpu"): Add power6.
5362 Change instruction sequences to use new attributes.
5363 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5364 (fix_truncdfsi2_mfpgpr): New.
5365 (floatsidf_ppc64_mfpgpr): New.
5366 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5367 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5368 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5369 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5370 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5371 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5372 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5373 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5374 cntlz,exts and var_delayed_compare.
5375 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5376 _ARCH_PWR6X, if features enabled.
5377 * config/rs6000/rs6000.opt (mmfpgpr): New.
5378 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5379 (cached_can_issue_more): New variable.
5380 (processor_costs): Add power6_cost.
5381 (rs6000_sched_init): New function.
5382 (is_dispatch_slot_restricted): Deleted.
5383 (set_to_load_agen): New function.
5384 (is_load_insn,is_store_insn): New functions.
5385 (adjacent_mem_locations): New function.
5386 (insn_must_be_first_in_group): New function.
5387 (insn_must_be_last_in_group): New function.
5388 (rs6000_sched_reorder): New function.
5389 (rs6000_sched_reorder2): New function.
5390 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5391 TARGET_SCHED_REORDER2): Define.
5392 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5393 Add power6x. Add MASK_MFPGPR for power6x.
5394 (POWERPC_MASKS): Add MASK_MFPGPR.
5395 (rs6000_override_options): Set rs6000_always_hint to false
5396 for power6. Set rs6000_align_branch_targets. Replace
5397 rs6000_sched_groups check with rs6000_align_branch_targets.
5398 Use PROCESSOR_POWER6.
5399 (last_scheduled_insn): New variable.
5400 (load_store_pendulum): New variable.
5401 (rs6000_variable_issue): Set last_scheduled_insn and
5402 cached_can_issue_more.
5403 (rs6000_adjust_cost): Add power6 cost adjustments.
5404 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5405 with insn_must_be_first_in_group. Add power6 priority adjustments.
5406 (rs6000_issue_rate): Add CPU_POWER6.
5407 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5408 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5409 (TARGET_MFPGPR): New.
5410 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5411 (ASM_CPU_SPEC): Add power6x.
5412 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5414 * config/rs6000/power6.md: New file.
5416 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5418 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5419 HOST_WIDE_INT_PRINT to print high and low parts. Use
5420 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5421 printing a hexadecimal number prefix it with 0x.
5423 2006-11-01 Chris Johns <chris@contemporary.net.au>
5426 * Makefile.in (install-driver): Use exeext when installing
5427 $target-gcc-$version.
5429 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5431 * c-common.c (flag_cpp0x): New.
5432 * c-common.h (flag_cpp0x): New.
5433 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
5434 supported, define __GXX_EXPERIMENTAL_CPP0X__.
5435 * c-opts.c (set_std_cxx0x): New.
5436 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
5437 * c.opt (std=c++0x): Document.
5438 (std=gnu++0x): Ditto.
5439 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
5440 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
5442 2006-11-01 Richard Guenther <rguenther@suse.de>
5444 * config/i386/i386.c (ix86_expand_rint): Fix issues with
5446 (ix86_expand_floorceildf_32): Likewise.
5447 (ix86_expand_floorceil): Likewise.
5448 (ix86_expand_trunc): Likewise.
5450 2006-10-31 Andrew Pinski <pinskia@gmail.com>
5452 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
5455 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
5457 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
5459 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
5461 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
5463 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
5464 * configure.ac (use_cxa_atexit): As a special case, don't test
5465 for libc definition of __cxa_atexit on mingw32
5466 * configure: Regenerate.
5467 * config.gcc (i[34567]86-pc-mingw32): Default to
5468 enable__cxa_atexit=yes.
5470 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5472 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
5474 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5477 * c-decl.c (start_struct): Don't create self-containing
5479 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5481 * config/rs6000/rs6000-protos.h
5482 (darwin_rs6000_special_round_type_align): New.
5483 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
5484 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
5486 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5488 * toplev.c (compile_file): Call final_write_globals
5489 even if there have been errors.
5491 2006-10-31 Eric Christopher <echristo@apple.com>
5492 Falk Hueffner <falk@debian.org>
5494 * doc/extend.texi (__builtin_bswap32): Document.
5495 (__builtin_bswap64): Ditto.
5496 * doc/libgcc.texi (bswapsi2): Document.
5498 * doc/rtl.texi (bswap): Document.
5499 * optabs.c (expand_unop): Don't widen a bswap.
5500 (init_optabs): Init bswap. Set libfuncs explicitly
5501 for bswapsi2 and bswapdi2.
5502 * optabs.h (OTI_bswap): New.
5503 (bswap_optab): Ditto.
5504 * genopinit.c (optabs): Handle bswap_optab.
5505 * tree.h (tree_index): Add TI_UINT32_TYPE and
5507 (uint32_type_node): New.
5508 (uint64_type_node): Ditto.
5509 * tree.c (build_common_tree_nodes_2): Initialize
5510 uint32_type_node and uint64_type_node.
5511 * builtins.c (expand_builtin_bswap): New.
5512 (expand_builtin): Call.
5513 (fold_builtin_bswap): New.
5514 (fold_builtin_1): Call.
5515 * fold-const.c (tree_expr_nonnegative_p): Return true
5517 * builtin-types.def (BT_UINT32): New.
5519 (BT_FN_UINT32_UINT32): Ditto.
5520 (BT_FN_UINT64_UINT64): Ditto.
5521 * builtins.def (BUILT_IN_BSWAP32): New.
5522 (BUILT_IN_BSWAP64): Ditto.
5523 * rtl.def (BSWAP): New.
5524 * genattrtab.c (check_attr_value): New.
5525 * libgcc2.c (__bswapSI2): New.
5526 (__bswapDI2): Ditto.
5527 * libgcc2.h (__bswapSI2): Declare.
5528 (__bswapDI2): Ditto.
5529 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
5530 * simplify-rtx.c (simplify_const_unary_operation): Return
5532 * libgcc-std.ver (__bwapsi2): Add.
5533 (__bswapdi2): Ditto.
5534 * reload1.c (eliminate_regs_1): Add bswap.
5535 (elimination_effects): Ditto.
5536 * config/i386/i386.h (x86_bswap): New.
5537 (TARGET_BSWAP): Use.
5538 * config/i386/i386.c (x86_bswap): Set.
5540 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5542 * coverage.c (coverage_checksum_string): Update comment.
5543 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5544 of get_file_function_name.
5545 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
5546 of get_file_function_name_long.
5547 * tree.c (get_file_function_name): Rename from
5548 get_file_function_name_long; improve comment; handle 'I' and 'D'
5549 specially when the target has ctor/dtor support; remove special
5551 (get_file_function_name): Remove.
5552 * tree.h (get_file_function_name): Rename from
5553 get_file_function_name_long.
5554 (get_file_function_name): Remove prototype.
5556 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5558 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
5559 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
5561 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
5562 Call dsymutil when compiling and linking one or more source files
5565 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5568 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
5570 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5572 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
5573 inline static functions in c99 mode.
5576 * doc/extend.texi (Inline): Update.
5577 * c-tree.h (struct language_function): Remove field 'extern_inline'.
5578 * c-decl.c (current_extern_inline): Delete.
5579 (pop_scope): Adjust test for an undefined nested function.
5580 Add warning about undeclared inline function.
5581 (diagnose_mismatched_decls): Update comments. Disallow overriding
5582 of inline functions in a translation unit in C99. Allow inline
5583 declarations in C99 at any time.
5584 (merge_decls): Boolize variables. Handle C99 'extern inline'
5586 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
5587 C99 inline semantics.
5588 (start_function): Don't clear current_extern_inline. Don't set
5590 (c_push_function_context): Don't push current_extern_inline.
5591 (c_pop_function_context): Don't restore current_extern_inline.
5594 * c-typeck.c (build_external_ref): Warn about static variables
5595 used in extern inline functions.
5596 * c-decl.c (start_decl): Warn about static variables declared
5597 in extern inline functions.
5599 2006-10-31 Roger Sayle <roger@eyesopen.com>
5602 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
5603 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
5604 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
5605 or y is an even integer.
5607 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
5610 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
5611 * gthr-posix95.h (__gthread_active_p): Likewise.
5613 2006-10-31 Richard Guenther <rguenther@suse.de>
5615 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
5616 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
5617 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
5618 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
5619 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
5620 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
5621 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
5622 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
5625 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
5627 * opts.c (decode_options): Disable CSE skip blocks.
5629 2006-10-30 Dirk Mueller <dmueller@suse.de>
5631 * c-common.h (strict_aliasing_warning): Fix whitespace.
5632 * c-decl (start_function): Move code for main decl warning ..
5633 * c-common.c (check_main_parameter_types): .. here.
5634 * c-common.h (check_main_parameter_types): Declare.
5636 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5639 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
5641 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
5643 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
5644 be a PARALLEL containing sets. Return false when out_pat is not
5647 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5649 * config/mips/mips.md (mul<mode>3): Split into...
5650 (mulsi3, muldi3): ...these separate patterns.
5652 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5654 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
5655 but with each set of options separated by spaces.
5657 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
5659 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
5660 dwarf_reg_size_table has been initialized.
5662 2006-10-30 Roger Sayle <roger@eyesopen.com>
5664 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
5665 * ddg.c (print_ddg_edge): Likewise.
5666 * dwarf2out.c (prune_unused_types_walk): Likewise.
5667 * ifcvt.c (noce_try_cmove_arith): Likewise.
5668 * langhooks.c (add_builtin_function): Likewise.
5669 * reg-stack.c (subst_stack_regs_pat): Likewise.
5670 * tree.c (expanded_location): Likewise.
5671 * tree-dump.c (dequeue_and_dump): Likewise.
5673 2006-10-30 David Daney <ddaney@avtrex.com>
5675 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
5677 2006-10-30 Jakub Jelinek <jakub@redhat.com>
5679 PR tree-optimization/29637
5680 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
5681 of the innertype is the innertype itself.
5683 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
5685 * dwarf2out.c (file_name_acquire): Correct typo.
5687 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
5689 * tree.h (tree_value_handle): Remove struct value_set declaration.
5690 Change value_set to bitmap_set.
5691 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
5692 * tree-vn.c (get_value_handle): Made inline and moved to
5694 * tree-flow-inline.h: (has_stmt_ann): New function.
5695 * tree-ssa-pre.c (expressions): New variable.
5696 (next_expression_id): Ditto.
5697 (alloc_expression_id): New function.
5698 (struct value_set): Remove.
5699 (get_expression_id): New function.
5700 (get_or_alloc_expression_id): Ditto.
5701 (expression_for_id): Ditto.
5702 (clear_expression_ids): Ditto.
5703 (FOR_EACH_EXPR_ID_IN_SET): New macro.
5704 (bb_value_sets): Renamed to bb_bitmap_sets.
5705 All value sets replaced with bitmap_sets.
5707 (BB_VISITED): New macro.
5708 (postorder): New variable.
5709 (add_to_value): Removed.
5710 (value_exists_in_set_bitmap): Ditto.
5711 (value_insert_into_set_bitmap): Ditto.
5714 (set_remove): Ditto.
5715 (set_contains_value): Ditto.
5716 (insert_into_set): Ditto.
5718 (find_leader): Ditto.
5719 (bitmap_set_subtract_from_value_set): Ditto.
5720 (value_insert_into_set): Ditto.
5721 (print_value_set): Ditto.
5722 (debug_value_set): Ditto.
5723 (constant_expr_p): New function.
5724 (bitmap_remove_from_set): Ditto.
5725 (bitmap_insert_into_set): Ditto.
5726 (bitmap_set_free): Ditto.
5727 (vh_compare): Ditto.
5728 (sorted_array_from_bitmap_set): Ditto.
5729 (bitmap_set_subtract): Ditto.
5730 (bitmap_set_equal): Ditto.
5731 (debug_bitmap_set): Ditto.
5732 (find_leader_in_sets): Ditto.
5733 (bitmap_set_replace_value): Modify for bitmapped sets.
5734 (phi_translate): Ditto.
5735 (phi_translate_set): Ditto.
5736 (bitmap_find_leader): Ditto.
5737 (valid_in_sets): Ditto.
5738 (union_contains_value): Ditto.
5740 (compute_antic_aux): Ditto. Mark changed blocks.
5741 (compute_antic): Ditto. Iterate in postorder and only over
5743 (compute_rvuse_and_antic_safe): Reuse postorder.
5744 (create_component_ref_by_pieces): Modify for bitmapped sets.
5745 (find_or_generate_expression): Ditto.
5746 (create_expression_by_pieces): Ditto.
5747 (insert_into_preds_of_block): Ditto.
5748 (changed_blocks): New variable.
5749 (do_regular_insertion): Broken out from insert_aux.
5750 (insert_aux): Modified for bitmapped sets.
5751 (find_existing_value_expr): New function.
5752 (create_value_expr_from): Use it.
5753 (insert_extra_phis): Removed.
5754 (print_bitmap_set): Renamed from bitmap_print_value_set.
5755 (compute_avail): Handle RETURN_EXPR.
5756 (init_pre): Modify for bitmapped sets.
5757 * tree-flow.h (has_stmt_ann): New function.
5759 2006-10-29 Roger Sayle <roger@eyesopen.com>
5761 * builtins.c (fold_builtin_floor): Check for the availability of
5762 the C99 trunc function before transforming floor into trunc.
5764 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5766 * builtins.c (fold_builtin_hypot): Rearrange recursive
5767 transformation before others, and also do ABS_EXPR. When
5768 necessary, check flag_unsafe_math_optimizations. When necessary,
5771 2006-10-29 Roger Sayle <roger@eyesopen.com>
5773 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
5774 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
5775 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
5776 Fold -X eq/ne -Y as X eq/ne Y.
5778 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5780 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
5781 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
5782 rather than GENERATE_MULT3_SI in the various define_peephole2s.
5783 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
5784 Use an inclusive test for "mult" rather than "mul".
5785 (rotr<mode>3): Depend on ISA_HAS_ROR.
5786 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
5788 (GENERATE_MULT3_DI): Delete.
5789 (ISA_HAS_64BIT_REGS): Use consistent formatting.
5790 (ISA_HAS_MUL3): New macro.
5791 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
5792 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
5793 (ISA_HAS_CLZ_CLO): Likewise.
5794 (ISA_HAS_DCLZ_DCLO): Delete.
5795 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
5796 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
5797 the VR4120 and VR4130.
5798 (ISA_HAS_MACCHI): Use consistent formatting.
5799 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
5800 (ISA_HAS_ROR): ...this new macro.
5801 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
5802 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
5803 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
5805 2006-10-29 Roger Sayle <roger@eyesopen.com>
5807 PR tree-optimization/15458
5808 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
5811 2006-10-29 Richard Guenther <rguenther@suse.de>
5813 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
5814 (ix86_expand_truncdf_32): Likewise.
5815 * config/i386/i386.c (ix86_expand_trunc): New function expanding
5816 trunc inline for SSE math and -fno-trapping-math and if not
5817 optimizing for size.
5818 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
5819 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
5820 for expanding btrunc inline for SSE math.
5822 2006-10-29 Joseph Myers <joseph@codesourcery.com>
5824 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
5825 Handle tuning for bi-arch i[34567]86-*-linux* like that for
5826 i[34567]86-*-solaris2.1[0-9]*.
5827 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
5828 Define conditionally depending on TARGET_64BIT_DEFAULT.
5829 (SPEC_32, SPEC_64): Define.
5830 (LINK_SPEC): Use them.
5831 * doc/install.texi (--enable-targets=all): Document for x86-linux.
5833 2006-10-29 Richard Guenther <rguenther@suse.de>
5835 * config/i386/i386-protos.h (ix86_expand_round): Declare.
5836 (ix86_expand_rounddf_32): Likewise.
5837 * config/i386/i386.c (ix86_expand_round): New function expanding
5838 round inline for SSE math and -fno-trapping-math and if not
5839 optimizing for size.
5840 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
5841 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
5842 round via ix86_expand_round.
5844 2006-10-29 Richard Guenther <rguenther@suse.de>
5846 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
5847 (ix86_expand_floorceildf_32): Likewise.
5848 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
5849 static helper function.
5850 (ix86_expand_floorceil): Expander for floor and ceil to SSE
5852 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
5853 * config/i386/i386.md (floordf2): Adjust to enable floor
5854 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
5855 -fno-trapping-math is enabled and if not optimizing for size.
5856 (floorsf2, ceildf2, ceilsf2): Likewise.
5857 * config/i386/sse.md (sse_maskcmpsf3): New insn.
5858 (sse2_maskcmpdf3): Likewise.
5860 2006-10-29 Richard Guenther <rguenther@suse.de>
5862 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
5863 rint in case -fno-trapping-math is enabled.
5864 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
5865 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
5866 (ix86_expand_sse_fabs): Likewise.
5867 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
5868 * config/i386/i386.md (rintdf2): Enable for SSE math if
5869 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
5870 (rintsf2): Likewise.
5872 2006-10-29 Richard Guenther <rguenther@suse.de>
5874 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
5875 to conversion optabs.
5876 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
5877 as conversion optab.
5878 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
5879 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
5880 (lfloor_optab, lceil_optab): Adjust defines.
5881 * builtins.c (expand_builtin_int_roundingfn): Adjust for
5882 lfloor and lceil optabs now being conversion optabs.
5883 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
5884 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
5885 New static helper function.
5886 (ix86_expand_lfloorceil): New function to expand lfloor and
5888 * config/i386/i386.md (lfloor<mode>2): Split into ...
5889 (lfloorxf<mode>2): ... x87 variant
5890 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
5891 using ix86_expand_lfloorceil.
5892 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
5894 * doc/md.texi (lfloorMN, lceilMN): Document.
5896 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5898 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
5899 -mno-shared assembler option on mips targets.
5900 * configure, config.in: Regenerate.
5901 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
5902 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
5903 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
5905 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5907 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
5908 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
5910 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
5912 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
5913 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
5916 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5919 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
5920 (fold_builtin_pow): Evaluate constant arguments at compile-time
5922 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
5923 (do_mpfr_ckconv): New helper function.
5924 (do_mpfr_arg1): Use do_mpfr_ckconv.
5925 (do_mpfr_arg2): New.
5927 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
5930 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
5931 (-fdump-rtl-sched): Rename to ..
5932 (-fdump-rtl-sched1): here. Also fix file extension number.
5934 2006-10-28 Richard Guenther <rguenther@suse.de>
5936 * fold-const.c (maybe_canonicalize_comparison): Fix code
5939 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5941 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
5942 (NON_QI_REG_P): Use IN_RANGE.
5943 (REX_INT_REGNO_P): Use IN_RANGE.
5944 (FP_REGNO_P): Use IN_RANGE.
5945 (SSE_REGNO_P): Use IN_RANGE.
5946 (REX_SSE_REGNO_P): Use IN_RANGE.
5947 (MMX_REGNO_P): Use IN_RANGE.
5948 (STACK_REGNO_P): New macro.
5949 (STACK_REG_P): Use STACK_REGNO_P.
5950 (NON_STACK_REG_P): Use STACK_REGNO_P.
5951 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
5952 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
5953 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
5954 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
5955 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
5957 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
5959 * except.h (output_function_exception_table): Add 'const char*' param.
5960 * except.c (switch_to_exception_section): Add 'const char*' param.
5961 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5962 and flag_function_sections is set, use a function-specific section.
5963 (output_function_exception_table): Add 'const char*' param.
5964 Adjust call to switch_to_exception_section.
5965 * final.c (rest_of_handle_final): Adjust calls to
5966 output_function_exception_table.
5967 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
5968 * config.in: Regenerate.
5969 * configure: Likewise.
5971 2006-10-28 Richard Guenther <rguenther@suse.de>
5974 * fold-const.c (maybe_canonicalize_comparison_1): Helper
5975 for maybe_canonicalize_comparison.
5976 (maybe_canonicalize_comparison): New function for canonicalizing
5978 (fold_comparison): Call it to canonicalize comparisons with
5981 2006-10-28 Richard Guenther <rguenther@suse.de>
5984 * builtins.c (expand_builtin_int_roundingfn_2): Expand
5985 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
5986 (expand_builtin): Adjust likewise.
5987 * genopinit.c (optabs[]): Add lround optab.
5988 * optabs.c (init_optabs): Initialize lround_optab.
5989 * optabs.h (enum convert_optab_index): Add COI_lround.
5990 (lround_optab): Define.
5991 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
5992 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
5994 (ix86_expand_lround): New function.
5995 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
5997 * doc/md.texi (lroundMN2): Document.
5999 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6002 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6003 argument to HOST_WIDE_INT. Update function prototype.
6004 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6005 "size" argument to HOST_WIDE_INT. Update function prototype.
6007 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6009 * config/i386/i386.c (output_387_ffreep): Create output from a
6010 template string for !HAVE_AS_IX86_FFREEP.
6012 2006-10-27 Eric Christopher <echristo@apple.com>
6014 * config/darwin.c: Fix formatting and grammar.
6016 2006-10-27 Jan Hubicka <jh@suse.cz>
6018 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6019 to be thrown away soon when IGNORE is set.
6020 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6021 indicating when return value shall not be computed.
6022 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6024 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6026 * config/i386/i386.h (TARGET_GEODE):
6027 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6028 (TARGET_CPU_DEFAULT_geode): New macro.
6029 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6030 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6031 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6032 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6033 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6035 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6036 (processor_type): Add PROCESSOR_GEODE.
6038 * config/i386/i386.md: Include geode.md.
6041 * config/i386/i386.c (geode_cost): New initialized global
6043 (m_GEODE, m_K6_GEODE): New macros.
6044 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6045 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6046 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6047 x86_schedule): Use m_K6_GEODE instead of m_K6.
6048 (x86_movx, x86_cmove): Set up m_GEODE.
6049 (x86_integer_DFmode_moves): Clear m_GEODE.
6050 (processor_target_table): Add entry for geode.
6051 (processor_alias_table): Ditto.
6053 * config/i386/geode.md: New file.
6055 * doc/invoke.texi: Add entry about geode processor.
6057 2006-10-27 Mike Stump <mrs@apple.com>
6059 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6060 __DYNAMIC__ from here back to ...
6061 * config/darwin.h (CPP_SPEC): ... here.
6063 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6064 Nathan Sidwell <nathan@codesourcery.com>
6066 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6067 when choosing the minimum heapsize.
6069 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6071 * gcc/unwind-dw2.h: Move cfa-related variables into
6072 struct frame_state_reg_info to ensure that the CFA is properly
6073 handled when executing DW_CFA_{remember,restore}_state.
6074 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6075 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6076 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6077 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6078 gcc/config/rs6000/linux-unwind.h,
6079 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6080 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6081 Modify to use new cfa_* fields.
6083 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6085 * config/s390/s390.c (s390_init_frame_layout): Check positive
6088 2006-10-26 Ben Elliston <bje@au.ibm.com>
6090 * gimplify.c (get_name): Remove extraneous break.
6091 (gimplify_omp_for): Initialise ret with GS_OK.
6093 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6095 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6096 Add unix98.o to link line.
6098 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6101 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6102 Calculate compile-time constants using MPFR.
6103 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6104 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6106 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6108 * config/xtensa/lib2funcs.S: Use C-style comments.
6110 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6112 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6113 (file_table_relative_p): Likewise.
6114 (dwarf2out_finish): Likewise.
6115 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6117 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6119 * tree-ssa-structalias.c (intra_create_variable_infos):
6120 Don't recreate nonlocal_all if it already exists.
6122 2006-10-25 Richard Guenther <rguenther@suse.de>
6125 * optabs.h (enum optab_index): Remove OTI_lrint.
6126 (enum convert_optab_index): Add COI_lrint.
6127 (lrint_optab): Adjust.
6128 (expand_sfix_optab): Declare.
6129 * optabs.c (expand_sfix_optab): New function.
6130 (init_optabs): Init lrint_optab as conversion optab.
6131 * genopinit.c (lrint_optab): Change to a conversion optab.
6132 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6133 expansion via conversion optab.
6134 * config/i386/i386.md (*fistdi2_1): Remove
6135 flag_unsafe_math_optimizations guard.
6136 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6137 fist<mode>2_with_temp): Likewise.
6138 (lrint<mode>2): Split into...
6139 (lrintxf<mode>2): ... x87 part
6140 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6141 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6142 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6143 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6144 * doc/md.texi (lrintMN2): Document.
6146 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6149 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6150 Use inc and dec instructions for TARGET_USE_INCDEC.
6151 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6152 ("sync_double_compare_and_swap<mode>"): Likewise.
6153 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6154 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6155 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6156 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6157 ("sync_old_add<mode>"): Likewise.
6158 ("sync_lock_test_and_set<mode>"): Likewise.
6159 ("sync_lock_test_and_set<mode>"): Likewise.
6160 ("sync_add<mode>"): Likewise.
6161 ("sync_sub<mode>"): Likewise.
6162 ("sync_ior<mode>"): Likewise.
6163 ("sync_and<mode>"): Likewise.
6164 ("sync_xor<mode>"): Likewise.
6166 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6168 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6169 (remainder_optab): Define corresponding macro.
6170 (drem_optab): Remove.
6171 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6172 drem_optab initialization.
6173 * genopinit.c (optabs): Implement remainder_optab using
6174 remainder?f3 patterns. Remove drem_optab.
6175 * builtins.c (expand_builtin_mathfn_2): Handle
6176 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6177 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6178 expand_builtin_mathfn_2.
6180 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6181 depend on flag_unsafe_math_optimizations.
6183 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6184 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6185 Do not depend on flag_unsafe_math_optimizations. Use
6186 truncxf?f expander instead of truncxf?f_i387_noop.
6188 ("fpremxf4", "fprem1xf4"): Do not depend on
6189 flag_unsafe_math_optimizations.
6190 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6191 flag_unsafe_math_optimizations. Use truncxf?f expander
6192 instead of truncxf?f_i387_noop.
6194 * doc/md.texi (fmod, remainder): Document standard named pattern.
6196 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6197 David Daney <ddaney@avtrex.com>
6200 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6202 2006-10-25 Ben Elliston <bje@au.ibm.com>
6204 * doc/extend.texi (Variable Attributes): Typo fix.
6206 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6208 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6209 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6210 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6211 (FRAME_POINTER_REGNUM): Update register number to 21.
6212 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6213 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6215 * config/i386/i386.c (regclass_map): Add fpcr entry.
6216 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6218 (print_reg): Assert REGNO (x) != FPCR_REG.
6220 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6221 (DIRFLAG_REG): Renumber.
6222 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6223 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6224 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6225 hardcoded SSE register numbers.
6227 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6228 hardcoded MMX register numbers.
6230 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6233 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6234 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6236 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6237 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6238 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6239 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6241 2006-10-24 Richard Guenther <rguenther@suse.de>
6244 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6245 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6246 for deciding optimizations in consistency with fold-const.c
6247 (fold_builtin_unordered_cmp): Likewise.
6249 2006-10-24 Richard Guenther <rguenther@suse.de>
6251 * builtins.c (fold_builtin_floor): Fold floor (x) where
6252 x is nonnegative to trunc (x).
6253 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6254 nonnegative to FIX_TRUNC_EXPR.
6256 2006-10-24 Richard Guenther <rguenther@suse.de>
6258 PR tree-optimization/29567
6259 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6260 for TRUTH_NOT_EXPR. Clarify comments.
6262 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6265 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6266 at compile-time using MPFR. Change parameter VALUE to FUNC,
6268 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6269 for overflow and underflow at all times and avoid folding in
6272 2006-10-24 Ben Elliston <bje@au.ibm.com>
6274 * reload1.c: Formatting fixes.
6276 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6278 PR tree-optimization/14784
6279 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6280 * tree-ssa-structalias.c (get_constraint_for,
6281 intra_create_variable_infos): Set is_heapvar.
6282 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6283 non-heapvar pointer variables specially.
6285 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6288 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6289 fold_builtin_tan): Fold all constant arguments. Take a "type"
6290 argument as necessary.
6291 (do_mpfr_arg1): New.
6292 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6294 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6296 * config/xtensa/lib1funcs.asm: Use C-style comments.
6298 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6300 * tree.c (local_define_builtin): Replace calls to
6301 lang_hooks.builtin_function with add_builtin_function.
6302 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6304 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6306 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6307 common code to add_builtin_function.
6308 * langhooks.c (add_builtin_function): New function.
6309 (lhd_builtin_function): New function.
6310 * langhooks.h (struct lang_hooks): Change the signature of
6312 (add_builtin_function): New function.
6313 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6314 calls to lang_hooks.builtin_function with add_builtin_function.
6315 * c-common.c (decl_builtin_1): Replace calls to
6316 lang_hooks.builtin_function with add_builtin_function.
6317 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6318 lang_hooks.builtin_function with add_builtin_function.
6319 * config/frv/frv.c (def_builtin): Replace calls to
6320 lang_hooks.builtin_function with add_builtin_function.
6321 * config/s390/s390.c (s390_init_builtins): Replace calls to
6322 lang_hooks.builtin_function with add_builtin_function.
6323 * config/sparc/sparc.c (def_builtin): Replace calls to
6324 lang_hooks.builtin_function with add_builtin_function.
6325 * config/i386/i386.c (def_builtin): Replace calls to
6326 lang_hooks.builtin_function with add_builtin_function.
6327 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6328 lang_hooks.builtin_function with add_builtin_function.
6329 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6330 lang_hooks.builtin_function with add_builtin_function.
6331 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6332 Replace calls to lang_hooks.builtin_function with
6333 add_builtin_function.
6334 * config/iq2000/iq2000.c (def_builtin):
6335 Replace calls to lang_hooks.builtin_function with
6336 add_builtin_function.
6337 * config/ia64/ia64.c (def_builtin): Replace calls to
6338 lang_hooks.builtin_function with add_builtin_function.
6339 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6340 lang_hooks.builtin_function with add_builtin_function.
6341 (altivec_init_builtins): Replace calls to
6342 lang_hooks.builtin_function with add_builtin_function.
6343 * config/arm/arm.c (def_mbuiltin): Replace calls to
6344 lang_hooks.builtin_function with add_builtin_function.
6345 (arm_init_tls_builtins): Replace calls to
6346 lang_hooks.builtin_function with add_builtin_function.
6347 * config/mips/mips.c (mips_init_builtins): Replace calls to
6348 lang_hooks.builtin_function with add_builtin_function.
6349 * config/bfin/bfin.c (def_builtin): Replace calls to
6350 lang_hooks.builtin_function with add_builtin_function.
6351 * langhooks-def.h (lhd_builtin_function): New function.
6352 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6354 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6356 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6357 BUILT_IN_STRNCAT_CHK.
6359 2006-10-23 Jan Hubicka <jh@suse.cz>
6361 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6362 don't do conversion from memmove to memcpy here.
6363 (expand_builtin_bcopy, expand_builtin): Update call of
6364 expand_builtin_memmove.
6365 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6367 2006-10-23 Paul Brook <paul@codesourcery.com>
6369 * stor-layout.c (start_record_layout): maximum_field_alignment
6370 overrides STRUCTURE_SIZE_BOUNDARY.
6372 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6374 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6375 nonlocal function symbols if flag_pic.
6377 2006-10-23 Richard Guenther <rguenther@suse.de>
6381 * builtins.c (fold_binary): Remove checks for flag_wrapv
6382 and flag_trapv where negate_expr_p covers these cases.
6384 2006-10-23 Richard Guenther <rguenther@suse.de>
6387 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6388 of two on the absolute value.
6389 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6390 and negating -C does not overflow.
6392 2006-10-23 Richard Guenther <rguenther@suse.de>
6395 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6396 only if not flag_rounding_math.
6398 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6399 Kaz Kojima <kkojima@gcc.gnu.org>
6402 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6403 SImode memory reference for the source of a movua.
6404 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6405 (movua): Use an unspec instead of sign_extract. Expect the source
6406 to have mode BLKmode.
6407 (extv, insv): Use a BLKmode rather than SImode memory reference
6408 for the source of a movua.
6410 2006-10-22 Jeff Law <law@redhat.com>
6411 Richard Guenther <rguenther@suse.de>
6413 PR tree-optimization/15911
6414 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6415 (register_edge_assert_for_1): Likewise.
6416 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6417 (find_conditional_asserts): Adjust for new function signature.
6418 (find_assert_locations): Likewise.
6420 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6422 * config/i386/tmmintrin.h: Remove the duplicated content.
6424 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6426 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6427 (x86_64-*-*): Likewise.
6429 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6430 (override_options): Check SSSE3.
6431 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
6432 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
6433 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
6434 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
6435 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
6436 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
6437 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
6438 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
6439 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
6440 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
6441 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
6442 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
6443 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
6444 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
6445 IX86_BUILTIN_PABSD128.
6446 (bdesc_2arg): Add SSSE3.
6447 (bdesc_1arg): Likewise.
6448 (ix86_init_mmx_sse_builtins): Support SSSE3.
6449 (ix86_expand_builtin): Likewise.
6450 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6452 * config/i386/i386.md (UNSPEC_PSHUFB): New.
6453 (UNSPEC_PSIGN): Likewise.
6454 (UNSPEC_PALIGNR): Likewise.
6455 Include mmx.md before sse.md.
6457 * config/i386/i386.opt: Add -mssse3.
6459 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
6460 (ssse3_phaddwv4hi3): Likewise.
6461 (ssse3_phadddv4si3): Likewise.
6462 (ssse3_phadddv2si3): Likewise.
6463 (ssse3_phaddswv8hi3): Likewise.
6464 (ssse3_phaddswv4hi3): Likewise.
6465 (ssse3_phsubwv8hi3): Likewise.
6466 (ssse3_phsubwv4hi3): Likewise.
6467 (ssse3_phsubdv4si3): Likewise.
6468 (ssse3_phsubdv2si3): Likewise.
6469 (ssse3_phsubswv8hi3): Likewise.
6470 (ssse3_phsubswv4hi3): Likewise.
6471 (ssse3_pmaddubswv8hi3): Likewise.
6472 (ssse3_pmaddubswv4hi3): Likewise.
6473 (ssse3_pmulhrswv8hi3): Likewise.
6474 (ssse3_pmulhrswv4hi3): Likewise.
6475 (ssse3_pshufbv16qi3): Likewise.
6476 (ssse3_pshufbv8qi3): Likewise.
6477 (ssse3_psign<mode>3): Likewise.
6478 (ssse3_psign<mode>3): Likewise.
6479 (ssse3_palignrti): Likewise.
6480 (ssse3_palignrdi): Likewise.
6481 (abs<mode>2): Likewise.
6482 (abs<mode>2): Likewise.
6484 * config/i386/tmmintrin.h: New file.
6486 * doc/extend.texi: Document SSSE3 built-in functions.
6488 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
6490 2006-10-22 Ira Rosen <irar@il.ibm.com>
6492 * tree-vect-transform.c (vectorizable_load): Use the type of the
6493 return value of the mask_for_load builtin to create realign_load
6496 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6498 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6501 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
6503 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
6504 (UNSPEC_LDDQU): This.
6505 * config/i386/sse.md (sse3_lddqu): Updated.
6507 2006-10-21 Richard Guenther <rguenther@suse.de>
6509 * builtins.c (expand_builtin_int_roundingfn_2): New function.
6510 (expand_builtin): Use it to expand lrint instead of
6511 expand_builtin_mathfn.
6513 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6516 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
6517 flag_unsafe_math_optimizations is set.
6519 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6522 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
6523 patterns to use memory input operand in x87->mem->XMM
6524 reload sequences. Skip transformation for TARGET_K8.
6526 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6528 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
6529 force operand1 to register if both operands are memory operands.
6530 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6531 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
6532 if both operands are memory operands.
6533 (truncdfsf2): Do not force operand1 to register if both operands
6534 are memory operands.
6536 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6538 * Makefile.in (LIBS): Add $(GMPLIBS).
6539 * doc/install.texi: Update GMP and MPFR requirements.
6540 * doc/sourcebuild.texi (need_gmp): Delete.
6542 2006-10-21 Richard Guenther <rguenther@suse.de>
6544 PR tree-optimization/3511
6545 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
6546 got new invariant arguments during PHI translation.
6548 2006-10-21 Richard Guenther <rguenther@suse.de>
6551 * fold-const.c (fold_comparison): Fold signed comparisons
6552 of the form X +- C1 CMP Y +- C2.
6554 2006-10-21 Richard Guenther <rguenther@suse.de>
6557 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
6558 if flag_unsafe_math_optimizations is specified. We have
6559 flag_finite_math_only for that.
6560 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
6561 or flag_unsafe_math_optimizations.
6563 2006-10-21 Richard Guenther <rguenther@suse.de>
6565 * builtins.c (fold_builtin_classify): Fix typo.
6567 2006-10-21 Richard Guenther <rguenther@suse.de>
6570 * simplify-rtx.c (simplify_const_relational_operation):
6571 Do not constant-fold ORDERED and UNORDERED for
6572 flag_unsafe_math_optimizations but only we do not need to
6573 honor NaNs for the given mode.
6575 2006-10-21 Richard Guenther <rguenther@suse.de>
6578 * config/i386/i386.c (classify_argument): Remove redundant
6579 walking of the BINFOs.
6580 (contains_128bit_aligned_vector_p): Likewise.
6582 2006-10-20 Mark Mitchell <mark@codesourcery.com>
6584 * BASE-VER: Set to 4.3.0.
6586 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
6588 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
6589 (tree_decl_with_vis): Remove artificial_pta_var flag.
6590 * tree-flow.h (referenced_var_check_and_insert): Expose.
6591 (nonlocal_all): New prototype.
6592 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
6593 (nonlocal_all): Make global.
6594 (nonlocal_lookup): Remove.
6595 (nonlocal_insert): Ditto.
6596 (create_nonlocal_var): Do not call nonlocal_insert.
6597 (get_nonlocal_id_for_type): Remove.
6598 (find_global_initializers): Mark new vars we find for renaming.
6599 (intra_create_variable_infos): Only create one nonlocal.
6600 (expand_nonlocal_solutions): Remove.
6601 (compute_points_to_sets): Don't call it.
6602 (ipa_pta_execute): Ditto.
6603 (init_alias_heapvars): Don't create nonlocal_for_type.
6604 (delete_alias_heapvars): Don't remove it.
6605 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
6608 2006-10-19 Brooks Moses <bmoses@stanford.edu>
6610 * doc/install.texi (Downloading GCC): Clarify mention of
6611 Fortran in the "full distribution" description.
6613 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
6615 Fix PR tree-optimization/28778
6616 Fix PR tree-optimization/29156
6617 Fix PR tree-optimization/29415
6618 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
6619 (tree_decl_with_vis): Add artificial_pta_var flag.
6620 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
6621 pushed into callers.
6622 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
6623 (nonlocal_all): Ditto.
6624 (struct variable_info): Add directly_dereferenced member.
6625 (var_escaped_vars): New variable.
6626 (escaped_vars_tree): Ditto.
6627 (escaped_vars_id): Ditto.
6628 (nonlocal_vars_id): Ditto.
6629 (new_var_info): Set directly_dereferenced.
6630 (graph_size): New variable
6631 (build_constraint_graph): Use graph_size.
6632 (solve_graph): Don't process constraints that cannot change the
6633 solution, don't try to propagate an empty solution to our
6635 (process_constraint): Set directly_dereferenced.
6636 (could_have_pointers): New function.
6637 (get_constraint_for_component_ref): Don't process STRING_CST.
6638 (nonlocal_lookup): New function.
6639 (nonlocal_insert): Ditto.
6640 (create_nonlocal_var): Ditto.
6641 (get_nonlocal_id_for_type): Ditto.
6642 (get_constraint_for): Allow results vector to be empty in the case
6643 of string constants.
6644 Handle results of calls properly.
6645 (update_alias_info): Update alias info stats on number and type of
6647 (find_func_aliases): Use could_have_pointers.
6648 (make_constraint_from_escaped): Renamed from
6649 make_constraint_to_anything, and changed to make constraints from
6651 (make_constraint_to_escaped): New function.
6652 (find_global_initializers): Ditto.
6653 (create_variable_info_for): Make constraint from escaped to any
6654 global variable, and from any global variable to the set of
6656 (intra_create_variable_infos): Deal with escaped instead of
6657 pointing to anything.
6658 (set_uids_in_ptset): Do type pruning on directly dereferenced
6660 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
6661 (init_base_vars): Fix comment, and initialize escaped_vars.
6662 (need_to_solve): Removed.
6663 (find_escape_constraints): New function.
6664 (expand_nonlocal_solutions): Ditto.
6665 (compute_points_to_sets): Call find_escape_constraints and
6666 expand_nonlocal_solutions.
6667 (delete_points_to_sets): Don't fall off the end of the graph.
6668 (init_alias_heapvars): Initialize nonlocal_for_type and
6670 (delete_alias_heapvars): Free nonlocal_for_type and null out
6673 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
6675 * fold-const.c (add_double): Rename to add_double_with_sign.
6676 Add 'unsigned_p' parameter and take it into account for the overflow.
6677 (mul_double): Rename to mul_double_with_sign.
6678 Add 'unsigned_p' parameter and take it into account for the overflow.
6679 (fold_div_compare): Call add_double_with_sign instead of add_double
6680 and mul_double_with_sign instead of mul_double, passing them the
6681 unsignedness of the type.
6682 * tree.h (add_double): Macroize.
6683 (add_double_with_sign): New prototype.
6684 (mul_double): Macroize.
6685 (mul_double_with_sign): New prototype.
6687 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
6689 * config/score/crti.asm: New file.
6690 * config/score/crtn.asm: New file.
6691 * config/score/elf.h: New file.
6692 * config/score/mac.md: New file.
6693 * config/score/misc.md: New file.
6694 * config/score/mul-div.S: New file.
6695 * config/score/predicates.md: New file.
6696 * config/score/score7.md: New file.
6697 * config/score/score.c: New file.
6698 * config/score/score-conv.h: New file.
6699 * config/score/score.h: New file.
6700 * config/score/score.md: New file.
6701 * config/score/score-mdaux.c: New file.
6702 * config/score/score-mdaux.h: New file.
6703 * config/score/score-modes.def: New file.
6704 * config/score/score.opt: New file.
6705 * config/score/score-protos.h: New file.
6706 * config/score/score-version.h: New file.
6707 * config/score/t-score-elf: New file.
6708 * config.gcc: Add score*-*-* configurations(Update before).
6709 * doc/invoke.texi (Score Options): New section.
6710 * doc/md.texi (Score family): New section to document constraints.
6712 2006-10-19 Nick Clifton <nickc@redhat.com>
6714 * config/arm/arm.c: Fix spelling typo.
6716 2006-10-18 Tom Tromey <tromey@redhat.com>
6718 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
6720 2006-10-18 Jan Hubicka <jh@suse.cz>
6723 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
6726 2006-10-18 Marcin Dalecki <martin@dalecki.de>
6728 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
6729 TSI_SAME_STMT, since that's the desired entity.
6731 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
6733 * config/s390/contraints.md: New file.
6734 * config/s390/s390-protos.h (s390_mem_constraint,
6735 s390_O_constraint_str, s390_N_constraint_str,
6736 s390_float_const_zero_p): Function prototypes added.
6737 * config/s390/s390.c (s390_extra_constraint_str,
6738 s390_const_double_ok_for_constraint_p,
6739 s390_const_ok_for_constraint_p): Functions removed.
6740 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
6741 s390_float_const_zero_p): New functions.
6742 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
6743 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
6744 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
6745 Macro definitions removed.
6746 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
6747 s390_extra_constraint_str): Functions removed.
6749 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
6750 Richard Sandiford <richard@codesourcery.com>
6753 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
6754 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
6756 2006-10-16 Geoffrey Keating <geoffk@apple.com>
6758 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
6759 (DWARF2_FRAME_REG_OUT): Likewise.
6760 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
6761 (DWARF2_FRAME_REG_OUT): Likewise.
6763 2006-10-17 Paul Brook <paul@codesourcery.com>
6765 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
6767 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6769 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
6770 Standardize on "GNU Fortran" as the official name of the Fortran
6773 2006-10-16 Mike Stump <mrs@apple.com>
6775 * doc/invoke.texi (Darwin Options): Document -mkernel.
6776 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
6778 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
6779 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
6780 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
6781 (OS_MISSING_ALTIVEC): Add.
6782 * config/i386/i386.c (override_options): Add
6783 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
6784 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
6785 -mkernel, -static or -mdynamic-no-pic is given.
6786 (C_COMMON_OVERRIDE_OPTIONS): Add.
6787 * config/darwin.opt (fapple-kext): Add.
6789 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
6790 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
6792 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
6793 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
6794 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
6795 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
6796 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
6797 (flag_mkernel): Add.
6798 (flag_apple_kext): Add.
6799 (TARGET_KEXTABI): Add.
6800 * config/darwin.c (darwin_handle_kext_attribute): Add.
6801 (DARWIN_VTABLE_P): Add.
6802 (darwin_binds_local_p): Add partial support for rebinding vtables
6804 (darwin_kextabi_p): Add.
6805 (darwin_override_options): Add.
6806 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
6807 (darwin_kextabi_p): Add.
6808 (darwin_override_options): Add.
6809 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
6810 __DYNAMIC__ and __STATIC__ here.
6812 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6814 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
6815 Added mention of "make pdf" target, and Texinfo requirements for
6818 2006-10-16 DJ Delorie <dj@redhat.com>
6820 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
6821 into the GOT in case we need a subreg of the address.
6823 2006-10-16 Richard Guenther <rguenther@suse.de>
6826 * doc/extend.texi (X86 Built-in Functions): Fix typos in
6827 SSE builtin documentation. Document SSE2 builtins.
6829 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6831 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
6832 symbol in the output file for non-shared links when -nostdlib or
6833 -nodefaultlibs isn't specified.
6835 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
6836 posix thread support.
6838 2006-10-15 Jan Hubicka <jh@suse.cz>
6841 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
6842 declared always_inline even when not inlining.
6844 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6845 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6846 Andrew Pinski <pinskia@gmail.com>
6849 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
6851 2006-10-15 Jan Hubicka <jh@suse.cz>
6852 Richard Guenther <rguenther@suse.de>
6855 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
6856 process_function_and_variable_attributes on all variables, including
6857 those discovered during cgraph construction phase.
6859 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
6861 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
6863 2006-10-14 Uros Bizjak <uros@kss-loka.si>
6865 * config/i386/athlon.md (athlon_fist): Add fisttp.
6867 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6868 Ian Lance Taylor <ian@airs.com>
6871 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
6872 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
6875 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
6877 * config/score/score.c, config/score/score.h: Fix comment
6880 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6883 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
6886 2006-10-13 Eric Christopher <echristo@apple.com>
6888 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
6890 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6893 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6894 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6895 alignment supported by 32-bit ELF.
6897 2006-10-13 Eric Christopher <echristo@apple.com>
6899 * config/darwin.c (darwin_emit_unwind_label): Strip
6900 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
6902 2006-10-13 Richard Guenther <rguenther@suse.de>
6904 PR tree-optimization/29446
6905 * tree-vrp.c (fix_equivalence_set): Remove.
6906 (extract_range_from_assert): Do not call fix_equivalence_set.
6907 (debug_value_range): Print a newline.
6908 (compare_name_with_value): For equivalence sets with
6909 inconsistent value ranges conservatively bail out.
6910 (compare_names): Likewise.
6912 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6914 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
6915 and MPFR for gfortran.
6917 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6919 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6920 alignment supported by 32-bit ELF.
6922 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
6926 * c-typeck.c (digest_init): Always allow initializing vectors
6927 that have static storage duration with compound literals.
6928 * tree.c (build_type_attribute_qual_variant): New, based on
6929 build_type_attribute_variant.
6930 (build_type_attribute_variant): Rewrite using the former.
6931 (make_vector_type): Use build_type_attribute_qual_variant to build
6932 type variants. Use type_hash_canon on the others.
6934 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
6935 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
6937 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
6939 2006-10-12 Jan Hubicka <jh@suse.cz>
6942 * c-decl.c (c_make_fname_decl): Do not segfault in case where
6943 current_function_decl is set but current_function_scope is not.
6945 2006-10-12 Jie Zhang <jie.zhang@analog.com>
6947 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
6948 emit_insn to emit eh_return_internal instruction.
6949 (eh_return_internal): Explicitly set pc.
6951 2006-10-11 Richard Guenther <rguenther@suse.de>
6953 PR tree-optimization/28230
6954 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
6955 to the correct place.
6957 2006-10-11 Richard Guenther <rguenther@suse.de>
6960 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
6963 2006-10-10 Brooks Moses <bmoses@stanford.edu>
6965 * configure.ac: Added pdf to "Make-hooks"
6966 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
6967 targets and *.pdf file patterns in cleanup targets.
6968 * configure: Regenerated.
6970 2006-10-10 Anatoly Sokolov <aesok@post.ru>
6972 * config/avr/predicates.md: New file.
6973 * config/avr/avr.md: Include it.
6974 (REG_SP): New constant.
6975 (peepholes): Use predicates.
6976 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
6977 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
6978 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
6980 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
6982 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
6985 2006-10-10 Jakub Jelinek <jakub@redhat.com>
6988 * builtins.c (var_decl_component_p): New function.
6989 (fold_builtin_memset, fold_builtin_memory_op): Restrict
6990 single entry optimization to variables and components thereof.
6992 2006-10-10 Richard Guenther <rguenther@suse.de>
6994 PR rtl-optimization/29323
6995 * except.c (set_nothrow_function_flags): For functions
6996 that do not bind local bail out early.
6998 2006-10-10 Ben Elliston <bje@au.ibm.com>
7000 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7003 2006-10-09 Richard Henderson <rth@redhat.com>
7005 Revert emutls patch.
7007 2006-10-09 Richard Guenther <rguenther@suse.de>
7010 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7013 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7016 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7017 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7018 * configure: Regenerate.
7019 * config.in: Regenerate.
7021 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7023 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7025 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7027 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7028 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7029 Remove stray newline.
7031 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7033 * config/mips/mips.c (mips_classify_symbol): Do not return
7034 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7035 (mips_in_small_data_p): Tweak comments.
7037 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7039 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7041 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7043 * gimplify.c, sched-int.h: Fix comment typos.
7045 * sched-int.h: Fix comment typos.
7047 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7049 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7051 * sched-ebb.c (begin_schedule_ready): Use them.
7052 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7053 add_to_speculative_block, create_check_block_twin, speculate_insn,
7054 fix_jump_move, move_block_after_check): Ditto.
7055 * sched-rgn.c (new_ready): Ditto.
7057 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7059 PR rtl-optimization/29128
7060 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7061 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7062 allow interblock movement of speculation checks.
7064 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7067 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7068 casted to integer type.
7069 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7070 if they are significantly more expensive than [reg + index] ones.
7072 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7074 PR tree-optimization/29330
7075 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7076 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7077 on newly allocated ddrs.
7078 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7079 to VEC (loop_p, heap) pointer.
7080 (compute_data_dependences_for_loop): Adjust caller.
7081 (free_dependence_relations): Free DDR_LOOP_NEST.
7083 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7084 free DEPENDENCE_RELATIONS and DATAREFS.
7087 * builtins.c (expand_builtin_sync_operation,
7088 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7089 Use convert_to_mode to handle promoted arguments.
7091 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7093 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7095 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7097 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7099 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7101 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7102 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7103 Use <modeconstraint> instead of "r" as operand 1 constraint.
7105 2006-10-06 Olivier Hainque <hainque@adacore.com>
7107 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7108 Don't recurse on the pointed-to type.
7109 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7110 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7111 types with components of variable size.
7113 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7115 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7117 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7119 PR tree-optimization/29290
7120 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7124 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7125 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7128 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7129 the number of vector elements fill the rest with zeros.
7131 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7133 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7134 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7137 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7139 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7140 unnamed pattern into subsi3. Use correct constraints/predicates.
7141 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7142 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7144 2006-10-05 Ira Rosen <irar@il.ibm.com>
7146 * doc/loop.texi: Add data references analysis description.
7148 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7150 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7152 2006-10-04 Richard Henderson <rth@redhat.com>
7153 Jakub Jelinek <jakub@redhat.com>
7155 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7156 * builtin-types.def (BT_WORD): Make unsigned.
7157 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7158 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7159 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7160 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7161 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7162 * cgraph.c (decide_is_variable_needed): Look at force_output.
7163 Recurse for emulated tls.
7164 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7165 checks redundant with decide_is_variable_needed.
7166 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7167 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7169 * expr.c (emutls_var_address): New.
7170 (expand_expr_real_1): Expand emulated tls.
7171 (expand_expr_addr_expr_1): Likewise.
7172 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7173 * output.h (emutls_finish): Declare.
7174 * toplev.c (compile_file): Call it.
7175 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7176 address before wrapping in CONST.
7177 * varasm.c (emutls_htab, emutls_object_type): New.
7178 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7179 (get_emutls_object_name, get_emutls_object_type): New.
7180 (get_emutls_init_templ_addr, emutls_decl): New.
7181 (emutls_common_1, emutls_finish): New.
7182 (assemble_variable): When emulating tls, swap decls; generate
7183 constructor for the emutls objects.
7184 (do_assemble_alias): When emulating tls, swap decl and target name.
7185 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7187 * emutls.c: New file.
7188 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7189 tls_object for real tls.
7191 2006-10-04 Zack Weinberg <zackw@panix.com>
7193 Fix bug in constraint-check generator, reported by Rask Ingemann
7195 * genpreds.c (add_constraint): Don't remove anything from the
7197 (write_tm_constrs_h): Detect whether "op" argument is used, and
7198 mark it ARG_UNUSED if it isn't.
7199 (write_insn_const_int_ok_for_constraint): Skip the part of the
7200 expression that would test whether "op" (which is not available
7201 here) is a CONST_INT.
7203 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7206 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7208 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7210 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7211 current Leopard versions.
7212 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7214 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7216 * doc/install.texi: Fix typos.
7218 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7220 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7221 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7222 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7224 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7226 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7227 arg to be struct mach_header_64* instead.
7229 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7232 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7233 side effects after the outer expression's post side effects.
7235 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7237 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7238 comments to reflect actual behavior and relationship between
7239 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7241 * doc/c-tree.texi (Working with declarations): Fix documentation
7242 of FIELD_DECL likewise.
7244 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7247 * doc/extend.texi: Add used variable attribute description.
7249 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7252 * c.opt (Woverride-init): New.
7253 * c-opts.c (c_common_post_options): Default warn_override_init to
7255 * c-typeck.c (add_pending_init, output_init_element): Warn for
7256 overriding initializers without side effects.
7257 * doc/invoke.texi (-Woverride-init): Document.
7260 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7262 PR rtl-optimization/28096
7263 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7264 assignment has already been used as a destination earlier in the block.
7266 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7268 * builtins.c (expand_builtin_setjmp): Delete.
7269 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7270 <BUILT_IN_SETJMP_SETUP>: New case.
7271 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7272 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7273 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7274 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7275 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7276 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7277 (lower_function_body): Initialize it to false. If it is set to true
7278 at the end of the processing, emit the setjmp dispatcher.
7279 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7280 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7281 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7282 on the rhs of the assignment.
7283 (lower_builtin_setjmp): New function.
7284 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7285 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7286 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7287 to detect calls that can go to non-local labels. Use specific
7288 helper to create the abnormal edges associated with them.
7289 <MODIFY_EXPR>: Likewise.
7290 (make_abnormal_goto_edges): New function extracted from...
7291 (make_goto_expr_edges): ...here. Call it for computed gotos.
7292 (simple_goto_p): Minor tweak.
7293 (tree_can_make_abnormal_goto): New predicate.
7294 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7295 (tree_purge_dead_abnormal_call_edges): New function.
7296 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7297 (tree_purge_dead_abnormal_call_edges): Likewise.
7298 (make_abnormal_goto_edges): Likewise.
7299 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7300 Purge all dead abnormal edges if the call was in the last statement.
7301 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7302 (execute_fixup_cfg): If there are non-local labels in the function,
7303 scan the basic blocks and split them at calls that can go to non-local
7304 labels or add missing abnormal call edges. Write down the CFG in the
7306 (pass_fixup_cfg): Remove TODO_dump_func flag.
7307 * unwind-sjlj.c: Poison setjmp.
7308 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7309 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7310 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7311 (DONT_USE_BUILTIN_SETJMP): Document it.
7313 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7316 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7317 to 1 when __ppc64__ is defined.
7318 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7320 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7322 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7324 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7325 * config/ia64/unwind-hpux.c: Delete.
7327 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7329 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7330 on the element before gimplifying it, instead of punting if it is of
7333 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7335 * doc/loop.texi: New file.
7336 * doc/gccint.texi: Reference loop.texi.
7337 * Makefile.in (loop.texi): Add.
7339 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7341 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7343 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7344 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7346 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7348 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7350 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7352 * doc/install.texi: Document required versions of GMP and MPFR.
7354 2006-09-27 Paul Brook <paul@codesourcery.com>
7357 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7359 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7361 * reload1.c (alter_reg): Require the alignment of the stack slot to
7362 be at least reg_max_ref_width bytes.
7363 (scan_paradoxical_subregs): Record the largest width in
7366 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7370 * tree-nested.c (struct nesting_info): Added static_chain_added.
7371 (convert_call_expr): Set static_chain_added when adding static
7372 chain. Handle OMP_PARALLEL and OMP_SECTION.
7374 2006-09-25 Matthias Klose <doko@debian.org>
7376 * doc/invoke.texi: Add missing full stop.
7378 2006-09-25 Richard Henderson <rth@redhat.com>
7380 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7381 before cgraph_function_flags_ready.
7383 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7384 Adam Nemet <anemet@caviumnetworks.com>
7386 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7387 determine_common_wider_type): New functions.
7388 (get_computation_aff): Use them to simplify arithmetic between
7389 UBASE and CBASE if they are shortened from the same type.
7391 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7394 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7395 -2147483647 - 1 instead of 0x80000000.
7397 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7399 * flags.h (HONOR_NANS): Fix typo in comment.
7401 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7403 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7405 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7409 * tree.c (merge_attributes, attribute_list_contained): If both
7410 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7412 * c-typeck.c (comptypes_internal): Don't consider aggregates
7413 in different TUs as compatible if there one set of attributes is
7414 not a subset of the other type's attributes.
7415 (composite_type): Try harder not to create a new aggregate type.
7417 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7419 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7420 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7421 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7422 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7423 than replicating condition above.
7424 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7426 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7427 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7428 the linker by default.
7430 2006-09-22 Mike Stump <mrs@apple.com>
7432 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
7435 2006-09-22 Richard Guenther <rguenther@suse.de>
7438 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
7439 sort of stack variables stable.
7441 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
7444 * explow.c (force_reg): Set REG_POINTER flag according to
7447 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
7449 PR tree-optimization/28888
7450 * tree-if-conv.c (combine_blocks): Rewritten.
7451 * tree-cfg.c (tree_verify_flow_info): Check that edges with
7452 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
7454 2006-09-22 Jakub Jelinek <jakub@redhat.com>
7456 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
7459 2006-09-21 Richard Sandiford <richard@codesourcery.com>
7461 * varasm.c (copy_constant): Fix reversed gcc_assert check.
7463 2006-09-21 Janis Johnson <janis187@us.ibm.com>
7465 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
7467 2006-09-21 Roger Sayle <roger@eyesopen.com>
7470 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
7471 dw_fde_current_label, to be the start of the function, i.e. the same
7472 value as dw_fde_begin.
7474 2006-09-20 Richard Sandiford <richard@codesourcery.com>
7476 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
7477 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
7478 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
7479 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
7480 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
7481 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
7482 (abs<mode>2, neg<mode>2): Likewise.
7483 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
7484 (*mips_abs_ps): New define_insn.
7486 2006-09-20 Josh Conner <jconner@apple.com>
7489 * calls.c (expand_call): Allow reuse of structure return stack
7492 2006-09-20 Paul Brook <paul@codesourcery.com>
7494 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
7497 2006-09-20 Janis Johnson <janis187@us.ibm.com>
7499 * doc/extend.texi (Decimal Float): Update for latest draft TR,
7500 clean up terminology.
7502 2006-09-20 Steve Ellcey <sje@cup.hp.com>
7505 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
7506 with tablejumps in them.
7508 2006-09-20 Jakub Jelinek <jakub@redhat.com>
7511 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
7512 wrap it into TARGET_EXPR.
7514 2006-09-20 Eric Christopher <echristo@apple.com>
7516 * config/i386/i386.c (x86_fisttp): Remove.
7517 * config/i386/i386.h (x86_fisttp): Ditto.
7518 (TARGET_FISTTP): Ditto.
7520 2006-09-19 Eric Christopher <echristo@apple.com>
7522 * doc/tm.texi (OBJC_JBLEN): Describe.
7523 * config/i386/darwin.h (OBJC_JBLEN): Define.
7524 * config/rs6000/darwin.h: Ditto.
7526 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
7528 PR rtl-optimization/21299
7529 * reload1.c (reload): Purge invalid ASMs in the final pass.
7531 2006-09-19 Steve Ellcey <sje@cup.hp.com>
7534 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
7535 pointers as legitimate constants.
7537 2006-09-19 Paul Brook <paul@codesourcery.com>
7540 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
7542 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
7544 PR tree-optimization/28887
7545 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
7546 component parts from the reference.
7547 (gather_memory_references_ref): Record the reference without the
7548 nonaddressable component parts.
7550 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
7553 * c-opts.c (c_common_handle_option): Ignore the -std options
7554 if the input language is assembly.
7556 2006-09-17 Ira Rosen <irar@il.ibm.com>
7559 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
7561 (ptr_ptr_may_alias_p): Likewise.
7562 (record_record_differ_p): New function.
7563 (base_object_differ_p): Call record_record_differ_p.
7565 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7568 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7569 away for the expr argument.
7571 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7574 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
7575 before using it for dumping after vectorizing loops.
7577 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7578 Jack Howarth <howarth@bromo.med.uc.edu>
7581 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
7582 skip on error_mark_node.
7583 (rs6000_darwin64_record_arg_recurse): Likewise.
7585 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7587 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
7588 * doc/rtl.texi: Remove related documentation.
7590 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
7592 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
7595 2006-09-15 Jim Wilson <wilson@specifix.com>
7597 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
7598 Handle symbol offsets same as they are handled in ia64_expand_move
7601 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
7603 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
7604 Add forgotten parameter to the fprintf call.
7606 2006-09-15 Steve Ellcey <sje@cup.hp.com>
7608 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
7610 2006-09-15 Uros Bizjak <uros@kss-loka.si>
7612 * doc/contrib.texi: Add my entry.
7614 2006-09-15 Nick Clifton <nickc@redhat.com>
7616 * doc/md.texi (Processor pipeline description): Fix typo in
7617 example of how to use the absence_set directive and reword the
7618 description to make it slightly easier to read.
7620 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
7622 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
7623 * loop-doloop.c (doloop_optimize): Use it to limit costs of
7624 expanding the number of iterations.
7625 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
7627 * cfgrtl.c (emit_insn_at_entry): New function.
7628 * rtl.h (emit_insn_at_entry): Declare it.
7629 * integrate.c (emit_initial_value_sets): Use it.
7631 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
7633 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
7635 (struct loop_work and related VEC declarations): Delete.
7636 (bfin_dump_loops): Print out new member bad.
7637 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
7638 (bfin_scan_loop): Don't recurse.
7639 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
7640 loops. No longer need to update outer loops if the current one is
7641 found bad. Move some validitiy checks to bfin_discover_loop.
7642 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
7643 but changed not to check for nesting. Also changed to use the new bad
7645 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
7646 time. Use bitmap based test to discover loop nesting.
7648 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
7650 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
7653 2006-09-14 Richard Guenther <rguenther@suse.de>
7654 Kazu Hirata <kazu@codesourcery.com>
7656 PR middle-end/28884.
7657 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
7658 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
7659 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
7660 with TARGET_FUNCTION_VALUE.
7662 2006-09-14 Anatoly Sokolov <aesok@post.ru>
7665 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
7667 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
7669 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
7672 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
7675 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
7678 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7680 * basic_block.h (bb_has_eh_pred): Fix comment.
7682 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7684 * flow.c (calculate_global_regs_live): Invalidate eh registers
7685 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
7686 (propagate_block): Handle eh registers as if they were set at basic
7688 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
7690 * global.c (global_conflicts): Make eh registers to conflict with
7691 pseudos live at basic block begin.
7692 * basic_block.h (bb_has_eh_pred): New function.
7694 2006-09-13 Richard Sandiford <richard@codesourcery.com>
7696 PR rtl-optimization/28982
7697 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
7698 index of a PRE_MODIFY or POST_MODIFY address.
7699 * reload1.c (inc_for_reload): Use find_replacement on the original
7700 base and index registers.
7702 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
7704 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
7705 for -Os. Update __m128 alignment requirement.
7707 2006-09-13 Jan Hubicka <jh@suse.cz>
7709 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
7711 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
7713 PR rtl-optimization/28243
7714 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7715 the insn to which the note was originally attached.
7717 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
7718 Roger Sayle <roger@eyesopen.com>
7720 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
7721 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
7722 on platforms that don't use dwarf for debug info.
7724 2006-09-12 Jason Merrill <jason@redhat.com>
7727 * builtins.c (expand_builtin_setjmp_receiver): Clobber
7728 hard_frame_pointer_rtx after using it to update the frame pointer.
7730 2006-09-12 Roger Sayle <roger@eyesopen.com>
7732 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
7733 (TARGET_ASM_CLOSE_PAREN): Likewise.
7734 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
7735 (TARGET_ASM_CLOSE_PAREN): Likewise.
7737 2006-09-12 Roger Sayle <roger@eyesopen.com>
7740 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
7741 frame information for frames larger than 512 Kbytes on Tru64 when
7742 using the native assembler.
7744 2006-09-12 Roger Sayle <roger@eyesopen.com>
7748 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
7749 and symbols. Instead use the implementation from cse.c's hash_rtx.
7751 2006-09-12 Jan Hubicka <jh@suse.cz>
7753 PR rtl-optimization/28071
7754 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
7755 (vect_transform_loop): Likewise.
7756 * tree-vectorizer.c (new_loop_vec_info): Likewise.
7757 (new_loop_vec_info): Likewise.
7758 (destroy_loop_vec_info): Likewise.
7759 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
7760 (create_stmt_ann): Likewise.
7761 (create_tree_ann): Rename to ...
7762 (create_tree_common_ann): ... this one; allocate only the common part
7764 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
7765 (get_value_handle): Likewise.
7766 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
7767 get_tree_common_ann.
7768 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
7769 (vinfo_for_stmt): Use stmt annotations.
7770 * tree-flow.h (tree_ann_common_t): New type.
7771 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
7772 (tree_ann, get_tree_ann, create_tree_ann): New.
7773 * tree-flow-inline.h (get_function_ann): Do more type checking.
7774 (stmt_ann): Likewise.
7775 (tree_ann): Rename to ...
7776 (tree_common_ann): ... this one; return ony common_ann
7777 (get_tree_ann): Rename to ...
7778 (tree_common_ann): This one; return only common_ann.
7779 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
7782 2006-09-11 Geoffrey Keating <geoffk@apple.com>
7784 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
7785 with_cpu by default.
7787 * dwarf2out.c (dwarf_file_data): New.
7788 (enum dw_val_class): Add dw_val_class_file.
7789 (struct dw_val_struct): Add val_file.
7790 (file_table): Change to a hash table.
7791 (file_table_emitted): Delete.
7792 (file_table_last_lookup_index): Delete.
7793 (emitcount): Delete.
7794 (last_emitted_file): New.
7795 (lookup_filename): Change prototype to return a struct dwarf_file_data.
7796 (init_file_table): Delete.
7797 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
7798 (AT_addr): Add comment.
7802 (print_die): Handle dw_val_class_file.
7803 (print_dwarf_line_table): Update for new file table structure.
7804 (attr_checksum): Do checksum a filename.
7805 (same_dw_val_p, same_attr_p): Do compare a filename.
7806 (size_of_die): Handle dw_val_class_file.
7807 (value_format): Likewise.
7808 (output_die): Likewise. Also, call maybe_emit_file here.
7809 (struct file_info): Constify filenames. Make file_idx a pointer
7810 to a struct dwarf_file_data.
7811 (struct dir_info): Constify directory names. Remove 'used' field.
7812 (struct file_name_acquire_data): New.
7813 (file_name_acquire): New.
7814 (output_file_names): Modify to handle new file data structures.
7815 (add_src_coords_attributes): Use add_AT_file.
7816 (add_call_src_coords_attributes): Likewise.
7817 (dwarf2out_imported_module_or_decl): Likewise.
7818 (gen_subprogram_die): Modify for new file data structures.
7819 (gen_variable_die): Likewise.
7820 (file_table_eq): New.
7821 (file_table_hash): New.
7822 (file_table_last_lookup): New.
7823 (lookup_filename): Rewrite to handle new file data structures.
7824 (maybe_emit_file): Rewrite to handle new file data structures.
7825 (dwarf2out_source_line): Always call lookup_filename and
7827 (dwarf2out_init): Create file_table here.
7828 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
7829 (file_table_relative_p): New.
7830 (dwarf2out_finish): Change detection of relative filenames
7831 to work with new file data structures. Move output_line_info call
7832 after debug_info output.
7834 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
7839 * config/i386/i386.c (override_options): Always default to 16
7840 byte stack boundary.
7842 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
7845 * var-tracking.c (dump_dataflow_set): Start dumping at
7847 (clobber_variable_part): Kill only the variable part in
7848 registers holding it, leaving other variables alone.
7850 2006-09-11 Josh Triplett <josh@freedesktop.org>
7852 * doc/extend.texi (Other Builtins): Actually use the macro
7853 argument in the documentation example for
7854 __builtin_types_compatible_p.
7856 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7858 PR rtl-optimization/28726
7859 * sched-deps.c (sched_analyze_reg): New function extracted from...
7860 (sched_analyze_1): ...here. Call it to analyze references to
7861 registers. Treat again writes to a stack register as writing to the
7863 (sched_analyze_2): ...and here. Call it to analyze references to
7864 registers. Treat again reads of a stack register as reading the
7867 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
7868 David Edelsohn <edelsohn@gnu.org>
7871 * config/rs6000/spe.md (frob_df_di): Remove %H.
7872 (frob_di_df): Remove %H. Change evmergelo to mr.
7873 (frob_di_df_2): Remove %H. Change evldd to two loads.
7875 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
7877 * doc/cpp.texi: Fix names of charset options.
7879 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
7882 * config/i386/i386.c (override_options): Use 128-bit
7883 stack boundary always for 64bits.
7885 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7887 PR rtl-optimization/28636
7888 * combine.c (force_to_mode): Test for side-effects before
7889 substituting by zero.
7890 (simplify_shift_const): Likewise for zero or other constants.
7892 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
7895 * builtins.c (expand_builtin_setjmp): Force next_lab to be
7898 2006-09-10 Richard Sandiford <richard@codesourcery.com>
7901 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
7902 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
7903 returned by mode_for_size, rather than the mode of src itself,
7904 to choose between 32-bit and 64-bit patterns.
7905 (mips_mem_fits_mode_p): New function.
7906 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
7907 that the size of the source matches the size of the destination.
7908 (mov_<store>l, mov_<store>r): Likewise.
7910 2006-09-10 Eric Christopher <echristo@apple.com>
7912 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
7915 2006-09-09 Eric Christopher <echristo@apple.com>
7918 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
7921 2006-09-09 Roger Sayle <roger@eyesopen.com>
7922 Nicolas Setton <setton@adacore.com>
7924 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
7926 2006-09-10 Andreas Schwab <schwab@suse.de>
7928 * config/m68k/m68k.md (bungt_rev): New pattern.
7930 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
7931 Dale Johannesen <dalej@apple.com>
7934 * regclass.c (struct reg_pref): Update documentation.
7935 (regclass): Set prefclass to NO_REGS if memory is the best option.
7936 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7938 2006-09-08 Eric Christopher <echristo@apple.com>
7940 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
7941 * config/t-slibgcc-darwin: Support x86_64 multilib.
7942 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
7943 Return 1 for x86_64-darwin.
7944 * config/i386/t-darwin: Add m64 multilib.
7945 (LIB2_SIDITI_CONV_FUNCS): Use.
7946 (LIB2FUNCS_EXTRA): Ditto.
7947 * config/i386/darwin.h: Support x86_64.
7948 * config/i386/i386.c (override_options): Turn on flag_pic
7949 for x86_64-darwin. Disable flag_omit_pointer.
7950 (get_pc_thunk_name): Assert !TARGET_64BIT.
7951 (legitimate_address_p): Disable machopic addressing for
7953 (legitimize_pic_address): Ditto.
7954 (ix86_expand_move): Ditto.
7955 (ix86_expand_call): Ditto.
7956 (machopic_output_stub): Ditto.
7957 * config/darwin.c (machopic_select_section): Support literal16.
7958 (machopic_select_rtx_section): Ditto.
7959 * config/darwin-sections.def: Ditto.
7960 * config/darwin-64.c: New.
7962 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
7965 * c-tree.h (struct c_arg_info): Add pending_sizes.
7966 * c-parser.c (c_parser_parms_declarator,
7967 c_parser_parms_list_declarator): Initialize pending_sizes.
7968 * c-decl.c (get_parm_info): Initialize pending_sizes.
7969 (get_parm_info): Set pending_sizes.
7970 (grokdeclarator): Call put_pending_sizes for parameters for
7971 function definition only.
7973 2006-09-07 Jason Merrill <jason@redhat.com>
7976 * varasm.c (output_constant): Only strip actual no-op conversions.
7979 * config/i386/i386.c (override_options): Use 128-bit
7980 stack boundary if -msse.
7982 2006-09-07 Eric Christopher <echristo@apple.com>
7984 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
7986 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
7989 2006-09-07 Geoffrey Keating <geoffk@apple.com>
7991 * dwarf2out.c: Remove strange characters from comment above
7992 dwarf2out_frame_debug_expr.
7994 2006-09-07 Eric Christopher <echristo@apple.com>
7996 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
7997 * config/darwin.h: ... to here.
7999 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8001 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8003 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8004 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8006 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8007 TARGET_PARTIAL_FLAG_REG_STALL.
8008 (*ashldi3_cconly_rex64): Likewise.
8009 (*ashlsi3_cmp): Likewise.
8010 (*ashlsi3_cconly): Likewise.
8011 (*ashlsi3_cmp_zext): Likewise.
8012 (*ashlhi3_cmp): Likewise.
8013 (*ashlhi3_cconly): Likewise.
8014 (*ashlqi3_cmp): Likewise.
8015 (*ashlqi3_cconly): Likewise.
8016 (*ashrdi3_cmp_rex64): Likewise.
8017 (*ashrdi3_cconly_rex64): Likewise.
8018 (*ashrsi3_cmp): Likewise.
8019 (*ashrsi3_cconly): Likewise.
8020 (*ashrsi3_cmp_zext): Likewise.
8021 (*ashrhi3_cmp): Likewise.
8022 (*ashrhi3_cconly): Likewise.
8023 (*ashrqi3_cmp): Likewise.
8024 (*ashrqi3_cconly): Likewise.
8025 (*lshrdi3_cmp_rex64): Likewise.
8026 (*lshrdi3_cconly_rex64): Likewise.
8027 (*lshrsi3_cmp): Likewise.
8028 (*lshrsi3_cconly): Likewise.
8029 (*lshrsi3_cmp_zext): Likewise.
8030 (*lshrhi3_cmp): Likewise.
8031 (*lshrhi3_cconly): Likewise.
8032 (*lshrqi2_cmp): Likewise.
8033 (*lshrqi2_cconly): Likewise.
8035 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8038 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8039 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8040 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8041 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8042 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8043 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8044 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8045 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8046 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8047 implement only CC setting effects of shift instructions.
8049 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8051 * doc/contrib.texi: Add myself.
8053 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8056 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8057 was set by the user.
8059 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8062 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8063 (divsi_inv_m1): Use them.
8064 (UNSPEC_DIV_INV_TABLE): New constant.
8066 2006-09-06 James E Wilson <wilson@specifix.com>
8069 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8070 then call count_or_remove_death_notes.
8072 2006-09-06 Jason Merrill <jason@redhat.com>
8075 * tree-inline.c (copy_result_decl_to_var): New fn.
8076 (declare_return_variable): Use it. Call declare_inline_vars here.
8077 (expand_call_inline): Not here.
8079 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8081 * doc/contrib.texi: Update my entry.
8083 2006-09-06 Nick Clifton <nickc@redhat.com>
8085 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8087 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8090 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8091 (canonicalize_induction_variables): Likewise.
8092 (tree_unroll_loops_completely): Likewise.
8093 (tree_ssa_prefetch_arrays): Likewise.
8094 (remove_empty_loops): Likewise.
8095 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8096 TODO_cleanup_cfg instead of directly calling
8097 cleanup_tree_cfg_loop.
8098 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8100 (tree_unroll_loops_completely): Likewise.
8101 (remove_empty_loops): Likewise.
8102 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8103 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8104 of tree_ssa_unswitch_loops.
8105 (tree_ssa_loop_ivcanon): Use the return value of
8106 canonicalize_induction_variables.
8107 (tree_ssa_empty_loop): Use the return value of
8109 (tree_complete_unroll): Use the return value of
8110 tree_unroll_loops_completely.
8111 (tree_ssa_loop_prefetch): Use the return value of
8112 tree_ssa_prefetch_arrays.
8113 * passes.c (execute_todo): Before Cleanup CFG, set
8114 updating_used_alone and after cleanup CFG, call
8115 recalculate_used_alone.
8117 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8120 * tree-vect-transform.c (vectorizable_condition): Move the check
8121 for the type after the check for simple condition.
8123 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8124 Kaz Kojima <kkojima@gcc.gnu.org>
8127 * mode-switching.c (optimize_mode_switching): Make the destination
8128 block of an abnormal edge have no anticipatable mode. Don't
8129 insert mode switching code at the end of the source block of
8132 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8134 PR rtl-optimization/26847
8135 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8136 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8137 (simplify_plus_minus): Count n_constants while filling ops. Replace
8138 qsort with insertion sort. Before going through the array to simplify
8139 pairs, sort it. Delay early exit until after the first sort, exiting
8140 only if no swaps occurred. Simplify pairs in reversed order, without
8141 special-casing the first iteration. Pack ops after simplifying pairs.
8143 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8145 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8146 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8147 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8148 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8150 2006-09-05 Richard Guenther <rguenther@suse.de>
8152 PR tree-optimization/28900
8153 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8154 compound conditional before creating COND_EXPR condition.
8156 2006-09-05 Richard Guenther <rguenther@suse.de>
8158 PR tree-optimization/28905
8159 * tree-vrp.c (fix_equivalence_set): Manually implement
8160 !value_ranges_intersect_p to also handle symbolic ranges.
8162 2006-09-05 Richard Guenther <rguenther@suse.de>
8165 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8168 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8170 PR rtl-optimization/27616
8171 * cse.c (table_size): New static variable.
8172 (new_basic_block): Initialize it to 0.
8173 (remove_from_table): Decrement it.
8174 (insert): Increment it.
8175 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8176 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8177 fold_rtx_mem_1 if under the cap.
8178 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8179 the lookup of the equivalent expression and test for equality of the
8180 first operand of the equivalent expression before in turn looking up
8181 an equivalent constant for the second operand.
8183 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8186 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8187 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8188 pointer, instead of assuming it is possible to derive the
8189 correct args size from a call insn.
8191 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8194 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8195 (fold_builtin_mempcpy): Rename to...
8196 (fold_builtin_memory_op): ... this. Optimize one element copy
8198 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8200 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8201 (expand_builtin_memcpy, expand_builtin_mempcpy,
8202 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8203 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8204 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8205 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8207 2006-09-01 DJ Delorie <dj@redhat.com>
8209 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8210 (stzx_16): Likewise.
8211 ("stzx_24_<mode>"): Likewise.
8212 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8213 ("cmp<mode>_op"): New.
8214 (cmp<mode>): Change to expander; just save operands.
8216 (b<code>): Change to expander, emit compare here.
8217 (s<code>_op): Change to use split and expander.
8218 (s<code>_24_op): Likewise.
8219 (s<code>_<mode>): New.
8220 (s<code>_<mode>_24): New.
8221 (movqicc_<code>_<mode): New.
8222 (movhicc_<code>_<mode>): New.
8225 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8226 (m32c_pend_compare): New.
8227 (m32c_unpend_compare): New.
8228 (m32c_expand_scc): New.
8229 (m32c_expand_movcc): Emit the compare also.
8230 * config/m32c/predicates.md (mra_nopp_operand): New.
8232 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8233 Richard Guenther <rguenther@suse.de>
8234 Adam Nemet <anemet@caviumnetworks.com>
8237 * builtins.c (get_pointer_alignment): Handle more forms
8238 of base addresses that can be used to derive more precise
8239 information about alignment.
8241 2006-09-01 Jason Merrill <jason@redhat.com>
8244 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8247 * gimplify.c (voidify_wrapper_expr): Handle null type.
8249 2006-09-01 Josh Conner <jconner@apple.com>
8252 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8253 (execute_return_slot_opt): Use it.
8255 2006-08-31 Josh Conner <jconner@apple.com>
8258 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8259 returning aggregates.
8261 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8263 PR tree-optimization/28839
8264 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8265 blocks in that phi arguments appear.
8267 2006-08-31 Roger Sayle <roger@eyesopen.com>
8270 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8271 NULL, otherwise use an advance_loc4 to adjust relative to the
8273 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8274 (dwarf2out_switch_text_section): Reset the current label to avoid
8275 using advance_loc4 over section boundaries.
8277 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8280 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8281 r12 + SYMBOLIC_CONST.
8283 2006-08-30 Richard Guenther <rguenther@suse.de>
8285 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8287 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8289 PR rtl-optimization/27735
8290 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8291 Add new argument to keep track of whether an irreducible region
8292 was affected. All callers changed.
8293 (fix_irreducible_loops): Removed.
8294 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8295 flags were invalidated.
8297 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8299 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8300 instead of SF operands.
8301 (*fop_df_comm_sse): Likewise.
8302 (*fop_df_comm_i387): Likewise.
8303 (*fop_df_1_mixed): Likewise.
8304 (*fop_df_1_sse): Likewise.
8306 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8307 J"orn Rennecke <joern.rennecke@st.com>
8309 PR tree-optimization/17506
8310 * tree-ssa.c (warn_uninit): If warning about a location outside of
8311 the current function, note where the variable was declared.
8313 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8315 PR tree-optimization/28411
8316 * double-int.c (double_int_div): Use double_int_divmod.
8317 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8318 double_int_mod, double_int_smod, double_int_umod): New functions.
8319 * double-int.h (double_int_divmod, double_int_sdivmod,
8320 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8322 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8324 (get_computation_aff, get_computation_cost_at): Handle double_int
8325 return type of constant_multiple_of.
8327 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8330 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8331 an implicit conversion.
8333 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8335 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8337 2006-08-27 Roger Sayle <roger@eyesopen.com>
8339 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8342 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8344 * config/i386/crtfastmath.c: Fix a comment typo.
8346 2006-08-26 Roger Sayle <roger@eyesopen.com>
8348 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8349 temporary visit flags on CASE_LABEL_EXPRs.
8350 * c-common.c (match_case_to_enum): Add function comment. Avoid
8351 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8352 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8353 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8354 a constant, only warn if that constant value isn't handled.
8356 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8359 * input.h (restore_input_file_stack): Declare.
8360 (INPUT_FILE_STACK_BITS): Define.
8361 * toplev.c (fs_p, input_file_stack_history,
8362 input_file_stack_restored, restore_input_file_stack): New.
8363 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8364 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8365 (pop_srcloc): Don't free old state of stack.
8367 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8370 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8371 (PowerPC Type Attributes): New.
8373 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8375 * config/xtensa/xtensa.c (function_arg_boundary): New.
8376 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8378 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8379 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8381 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8384 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8387 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8389 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8390 (verify_local_live_at_start): Likewise.
8392 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8395 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8396 omp_add_variable): Treat sizes as variable whenever not
8399 2006-08-26 Richard Guenther <rguenther@suse.de>
8402 * fold-const.c (fold_binary): Fold temporary to correct
8403 type before constructing new comparison.
8405 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8408 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8409 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8411 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8414 * c-decl.c (start_function): Don't try to process prototype
8415 information from old declaration that isn't a function.
8417 2006-08-25 Jan Hubicka <jh@suse.cz>
8420 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8422 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8425 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8428 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8430 PR tree-optimization/16876
8431 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
8432 exit if PARM doesn't match VALUE.
8434 2006-08-25 Bob Wilson <bob.wilson@acm.org>
8436 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
8437 literal_prefix directive.
8438 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
8439 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8440 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8442 2006-08-25 David Edelsohn <edelsohn@gnu.org>
8445 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
8446 predicate to general_operand. Add 0->y and I->r alternatives.
8448 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
8450 * doc/tm.texi: Fix a typo.
8451 * predict.c: Fix comment typos.
8453 2006-08-25 Nick Clifton <nickc@redhat.com>
8455 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
8456 assertions of "cpu" and "machine".
8458 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
8461 * tree-ssa-operands.c (access_can_touch_variable): Don't say
8462 the access through a base which has an alias set of 0 cannot
8465 2006-08-24 Bill Wendling <wendling@apple.com>
8467 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
8469 2006-08-24 Jan Hubicka <jh@suse.cz>
8471 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
8473 2006-08-24 Jan Hubicka <jh@suse.cz>
8476 * cgraph.c: Fix comments.
8477 (cgraph_varpool_mark_needed_node): Mark only variables not already
8479 * cgraphunit.c: Update comments; include gt-cgraphunit.h
8480 (cgraph_varpool_assembled_nodes_queue): New static variable.
8481 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
8482 (cgraph_varpool_output_debug_info): New function.
8483 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
8484 * Makefile.in: Add gt-cgraphunit.h
8486 2006-08-24 Jan Hubicka <jh@suse.cz>
8488 * predict.c (probability_reliable_p): New predicate.
8489 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
8490 (predict_loops): Do not predict loop exit with less than 2%
8492 * basic-block.h (edge_probability_reliable_p,
8493 br_prob_note_reliable_p): Declare.
8494 * ia64.h (ia64_print_operand): Do not disable on-chip branch
8495 prediction when static predictor is not reliable.
8496 * rs6000.c (output_cbranch): Likewise.
8498 2006-08-23 Stuart Hastings <stuart@apple.com>
8501 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
8502 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
8504 2006-08-21 Geoffrey Keating <geoffk@apple.com>
8507 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
8508 complex values, nor for generic vector values.
8510 2006-08-22 Richard Guenther <rguenther@suse.de>
8513 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
8514 parameter. Convert arguments to arithmetic expression to the
8516 (analyze_scalar_evolution_1): Adjust caller.
8518 2006-08-22 Jan Hubicka <jh@suse.cz>
8520 Patch by Paolo Bonzini
8521 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
8524 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
8526 PR tree-optimization/28003
8527 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
8528 before grouping aliases.
8530 2006-08-22 Roger Sayle <roger@eyesopen.com>
8532 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
8533 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
8535 2006-08-21 Jason Merrill <jason@redhat.com>
8538 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
8539 wrapper. Loop to handle nested wrappers.
8540 (gimplify_bind_expr): Remove temp parameter.
8541 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
8542 and STATEMENT_LIST on the rhs.
8543 (gimplify_statement_list): Voidify the STATEMENT_LIST.
8544 (gimplify_expr): Pass pre_p to gimplify_statement_list.
8545 (gimplify_target_expr): Remove special BIND_EXPR handling.
8547 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
8549 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
8552 2006-08-21 Olivier Hainque <hainque@adacore.com>
8554 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
8555 Arrange for the temporary captures of components overlapping the lhs
8556 to happen before the lhs is possibly cleared.
8558 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
8560 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
8561 necessary places to pass the correct "number of registers" values
8564 2006-08-20 Jan Hubicka <jh@suse.cz>
8566 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8567 (create_name_tags): Instead of quadratic checking use hashtable.
8568 * bitmap.h: Include hashtab.h.
8569 (bitmap_hash): Declare.
8570 * bitmap.c (bitmap_hash): New function.
8572 2006-08-20 Jan Hubicka <jh@suse.cz>
8574 PR rtl-optimization/28071
8575 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
8577 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
8578 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
8579 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
8580 cgraph_decide_inlining_incrementally): Update use of
8581 cgraph_check_inline_limits.
8582 * cgraph.c (edge_hash, edge_eq): New function.
8583 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
8584 cgraph_edge_remove_caller, cgraph_node_remove_callees,
8585 cgraph_remove_node): Maintain call site hash.
8586 * cgraph.h (struct cgraph_node): Add call_site_hash.
8587 (cgraph_set_call_stmt): New function.
8589 2006-08-20 Jan Hubicka <jh@suse.cz>
8591 PR rtl-optimization/28071
8592 * reload1.c (reg_has_output_reload): Turn into regset.
8593 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
8594 choose_reload_regs, emit_reload_insns): Update to new
8595 reg_has_output_reload.
8597 2006-08-20 Jan Hubicka <jh@suse.cz>
8600 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
8601 function body sizes.
8602 * cgraphunit.c (cgraph_analyze_function): Don't do so.
8604 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
8607 * tree.c (handle_dll_attribute): Return early if not a
8608 var or function decl.
8610 2006-08-18 Joseph Myers <joseph@codesourcery.com>
8613 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
8614 alignment of SPE vector types.
8616 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
8618 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
8620 2006-08-17 Jakub Jelinek <jakub@redhat.com>
8623 * cgraph.h (struct cgraph_node): Remove externally_visible
8625 * cgraphunit.c (process_function_and_variable_attributes): Set
8626 local.externally_visible rather than externally_visible.
8629 * c-common.c (handle_externally_visible_attribute): First look
8630 at TREE_CODE and only if it is function or var decl, check for
8631 non-public objects. Don't warn for DECL_EXTERNAL.
8632 * cgraphunit.c (process_function_and_variable_attributes): Warn
8633 if externally_visible attribute is used on non-public object.
8635 2006-08-17 Jan Hubicka <jh@suse.cz>
8637 PR tree-optimization/27865
8638 * reload1.c (forget_marked_reloads): New function.
8639 (forget_old_reloads_1): When data are passed, just mark the registers
8641 (reload_as_needed): Use the new mechanizm.
8643 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
8646 * reload.h (reg_equiv_alt_mem_list): New declaration.
8647 * reload1.c (reg_equiv_alt_mem_list): New definition.
8648 (reload): Initialize it and release it.
8649 (delete_output_reload): Use it.
8650 * reload.c (push_reg_equiv_alt_mem): New function.
8651 (find_reloads_toplev): Call it.
8652 (find_reloads_address, find_reloads_address_1): Likewise.
8653 (find_reloads_subreg_address): Likewise.
8655 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8657 PR rtl-optimization/28489
8658 * sched-ebb.c (begin_schedule_ready): Create basic block
8660 (advance_target_bb): Skip empty blocks.
8661 * haifa-sched.c (bb_note): Make global.
8662 * sched-int.h (bb_note): Add prototype.
8664 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8666 PR tree-optimization/27865
8667 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
8669 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
8670 fold_used_pointer, pointer_used_p): New functions.
8671 (analyze_scalar_evolution_1): Use fold_used_pointer.
8672 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
8673 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
8676 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
8679 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
8680 or the INTEGER_CST. Fail on a CALL_EXPR.
8681 (fold_offsetof): Pass new argument to fold_offsetof_1.
8682 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
8683 operand into an INDIRECT_REF.
8684 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
8686 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8688 PR gcov/profile/26570
8689 * value-prof.c (static_values): Removed.
8690 (tree_find_values_to_profile): Do not set static_values.
8691 (find_values_to_profile): Do not free static_values.
8692 * profile.c (instrument_values): Do not free the values.
8693 (branch_prob): Free the values.
8695 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
8697 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
8699 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
8702 * c-typeck.c (build_component_ref): Combine qualifiers of
8703 structure or union and field.
8705 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8707 PR rtl-optimization/28071
8708 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
8709 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
8710 * tree-into-ssa.c (struct dom_dfsnum): New.
8711 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
8713 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
8714 compute_global_livein.
8715 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
8716 in phi nodes in the correct blocks.
8718 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8720 PR tree-optimization/28364
8721 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
8723 (fold_affine_expr): New function.
8724 (may_eliminate_iv): Use fold_affine_expr.
8726 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8729 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
8732 2006-08-16 Mike Stump <mrs@apple.com>
8734 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
8735 * doc/cppopts.texi (-MD): Likewise.
8737 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
8740 * c-common.c (handle_weak_attribute): Ignore and warn if
8741 not a FUNCTION_ or VAR_DECL.
8743 2006-07-15 Mike Stump <mrs@apple.com>
8746 * c-parser.c (c_parser_typeof_specifier): Don't use
8747 c_finish_expr_stmt, open code desired semantics instead.
8749 2006-08-15 Nick Clifton <nickc@redhat.com>
8751 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
8752 fragment to tmake_file only if threads are enabled.
8753 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
8754 * config/i386/t-gthr-win32: New file. ... here.
8756 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8759 * c-parser.c (c_parser_compound_statement_nostart): Reset
8760 parser->error after each statement.
8762 2006-08-15 Jakub Jelinek <jakub@redhat.com>
8765 * omp-low.c (lower_omp_parallel): Convert t to
8766 receiver_decl's type.
8767 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
8768 source before comparison.
8771 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
8772 to itype in assignment to oldival2.
8774 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
8778 * c-typeck.c (build_compound_expr): If the second expression
8779 is an error mark, then just return an error mark instead of
8780 creating a COMPOUND_EXPR.
8782 2006-07-14 Mike Stump <mrs@apple.com>
8784 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
8786 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
8788 * c-decl.c, var-tracking.c: Fix comment typos.
8790 2006-08-14 Richard Sandiford <richard@codesourcery.com>
8792 PR rtl-optimization/28634
8793 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
8794 for floating-point modes unless flag_unsafe_math_optimizations.
8796 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
8797 Andrew Pinski <pinskia@physics.uc.edu>
8800 * tree.c (build_array_type): Unify array types with
8801 unspecified index_type.
8802 * c-decl.c (grokdeclarator): Make sure we do not modify a
8803 unified incomplete array type.
8804 * c-typeck.c (store_init_value): Create distinct type before
8805 filling in the index type in an initializer from a compound
8808 * c-decl.c (grokdeclarator): Remove code where we copy the
8811 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
8813 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
8814 into account for TODO_dump_cgraph.
8815 (TODO_update_ssa_no_phi): Likewise.
8816 (TODO_update_ssa_full_phi): Likewise.
8817 (TODO_update_ssa_only_virtuals): Likewise.
8818 (TODO_remove_unused_locals): Likewise.
8819 (TODO_set_props): Likewise.
8820 (TODO_update_stmt_usage): Likewise.
8822 2006-08-13 Dirk Mueller <dmueller@suse.de>
8824 * c-common.c (strict_aliasing_warning): Fix formatting.
8826 2006-08-13 Matthias Klose <doko@debian.org>
8828 * doc/invoke.texi: Fix spelling errors.
8830 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8832 PR rtl-optimization/23454
8833 * reorg.c (relax_delay_slots): Update comment.
8835 2006-08-11 Richard Guenther <rguenther@suse.de>
8838 * simplify-rtx.c (simplify_const_relational_operation):
8839 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
8842 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
8844 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
8845 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
8847 2006-08-10 Paul Brook <paul@codesourcery.com>
8849 * final.c (final_scan_insn): Clear current_insn_predicate before
8850 outputting inline asm.
8852 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
8854 PR tree-optimization/26197
8855 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
8856 get_ref_base_and_extent and overlap_subvar to add only relevant
8857 subvars as may-aliases.
8858 (add_may_alias_for_new_tag): New function, factored out of
8860 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
8861 with additional argument.
8862 * tree-flow.h (new_type_alias): Takes additional argument.
8864 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
8866 * gcov.c (no_data_file): New flag.
8867 (read_count_file): Set it if data file not present. Assume counts
8869 (output_lines): Don't name the data file, if there wasn't one.
8871 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
8873 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
8874 (rs6000_generate_compare): Tweak comments.
8875 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
8877 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
8879 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
8880 (var_debug_decl): New function.
8881 (var_reg_set): Follow debug decl link. Add location even if
8882 reg is already known to hold some other variable.
8883 (var_mem_set): Follow debug decl link.
8884 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
8885 decl link. Delete other known locations of the variable part
8887 (var_reg_delete, var_mem_delete): Delete other known locations
8888 of the variable part if requested.
8889 (same_variable_part_p): New function.
8890 (add_stores): Select MO_COPY when appropriate.
8891 (vt_initialize): Handle it.
8892 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
8893 known locations for MO_SET and MO_CLOBBER.
8894 (find_variable_location_part): New function.
8895 (set_variable_part, delete_variable_part): Use it.
8896 (clobber_variable_part): New function.
8897 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
8900 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
8902 PR tree-optimization/26969
8903 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
8904 with an empty list of PHIs.
8906 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
8910 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
8913 2006-08-06 Andreas Schwab <schwab@suse.de>
8915 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
8916 string. Whitespace and comment fixup.
8918 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8921 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
8925 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
8928 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
8930 2006-08-04 Jan Hubicka <jh@suse.cz>
8934 * reload.c (push_reload): Patch out the mismatching instruction;
8936 (find_reload): Bail out if the instruction was patched out.
8938 2006-08-04 Jan Hubicka <jh@suse.cz>
8940 PR tree-optimization/24888
8941 * tree-inline.c (expand_call_inline): Do not re-record variables.
8942 (declare_inline_vars): Add variable to unexpanded_var_list.
8944 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8945 Roger Sayle <roger@eyesopen.com>
8947 PR rtl-optimization/26244
8948 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
8949 inner_const are negative or greater than or equal to the bitsize of
8950 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
8951 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
8952 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
8953 CONST0_RTX (mode) when the new shift count is greater than or equal to
8954 to the bitsize of the object being shifted and XEXP (y, 0) has no side
8957 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
8959 * tree-cfg.c: Fix a comment typo.
8961 2006-08-03 Mark Mitchell <mark@codesourcery.com>
8964 * varasm.c (output_constant): Give the front end another chance to
8965 expand constants, after stripping NOPs.
8967 2006-08-03 Jan Hubicka <jh@suse.cz>
8969 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
8972 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
8974 PR tree-optimization/27770
8975 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
8976 declaration removed (moved to tree-flow.h).
8977 (vect_can_force_dr_alignment_p): Likewise.
8978 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
8979 (moved from tree-vectorizer.h).
8980 (vect_can_force_dr_alignment_p): Likewise.
8981 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
8982 from outside the vectorizer - in particular from cgraph stage.
8983 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
8984 the alignment of global arrays when -fsection-anchors is enabled.
8985 * cgraphunit.c (cgraph_increase_alignment): New function.
8986 (cgraph_optimize): Call cgraph_increase_alignment.
8988 2006-08-03 David Edelsohn <edelsohn@gnu.org>
8991 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
8992 not reload a SPE symbol_ref into a lo_sum address.
8994 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
8997 * dwarf2out.c (prune_unused_types_prune): Move call to
8998 prune_unused_types_update_strings to cover the parent DIE also.
9000 2006-08-02 Jan Hubicka <jh@suse.cz>
9002 PR gcov/profile/28480
9003 * tree-cfg.c (change_bb_for_stmt): New function.
9004 (tree_merge_blocks, tree_split_blocks): Use it.
9006 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9012 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9013 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9014 (cgraph_optimize): Likewise.
9016 2006-08-01 Stuart Hastings <stuart@apple.com>
9018 * rtl.h (UINTVAL) New.
9019 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9020 * testsuite/gcc.dg/20060801-1.c: New.
9022 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9025 * c-typeck.c (build_external_type): Mark used enum types.
9026 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9028 (gen_subprogram_die): Whitespace fix.
9030 2006-08-01 Jan Hubicka <jh@suse.cz>
9032 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9033 bitmap when not needed.
9034 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9037 2006-08-01 Dirk Mueller <dmueller@suse.de>
9039 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9041 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9043 * Makefile.in: Revert part of previous patch:
9044 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9047 2006-07-30 Eric Christopher <echristo@apple.com>
9050 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9051 (PowerPC Variable Attributes): New section.
9053 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9055 PR target/28126 (partial fix)
9056 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9058 2006-07-28 Jan Hubicka <jh@suse.cz>
9060 PR rtl-optimization/28071
9061 * cfgrtl.c (rtl_delete_block): Free regsets.
9062 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9064 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9066 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9067 and variables used in dependencies.
9069 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9071 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9072 %fs for -mcmodel=kernel.
9073 (stack_tls_protect_test_di): Likewise.
9075 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9077 * Makefile.in: Use mkinstalldirs.
9079 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9082 * opts-common.c (prune_options): Skip joined switches.
9084 2006-07-27 Jan Hubicka <jh@suse.cz>
9086 PR rtl-optimization/28071
9087 * cselib.c (cselib_process_insn): Don't remove useless values too
9088 often for very large hashtables.
9090 2006-07-27 Jan Hubicka <jh@suse.cz>
9092 PR rtl-optimization/28071
9093 * global.c (greg_obstack): New obstack.
9094 (allocate_bb_info): Use it.
9095 (free_bb_info): Likewise.
9096 (modify_reg_pav): Likewise.
9098 2006-07-27 Roger Sayle <roger@eyesopen.com>
9100 * builtins.c (fold_fixed_mathfn): When long and long long are the
9101 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9102 functions to their lceil*, lfloor*, lround* and lrint* forms.
9104 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9107 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9109 (rev_branch_insn): Likewise.
9111 2006-07-27 Jan Hubicka <jh@suse.cz>
9113 PR rtl-optimization/28071
9114 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9115 (reg_set_in_bb, max_reg_computed): New static variables.
9116 (regmove_optimize): Free the new array.
9117 (fixup_match_1): Update call of reg_is_remote_constant_p.
9119 2006-07-26 Jan Hubicka <jh@suse.cz>
9121 PR tree-optimization/27882
9122 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9124 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9126 (cgraph_analyze_compilation_unit): Likewise.
9127 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9128 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9129 (cgraph_early_inlinine): Make order garbage collected.
9130 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9132 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9134 * dbxout.c (output_types_sort): Add a comment.
9135 (output_used_types): Free the VEC.
9137 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9139 * function.c (reorder_fix_fragments): Delete.
9140 (reorder_blocks): Don't call it.
9141 (reorder_blocks_1): Put all subblocks under the origin block.
9143 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9145 PR rtl-optimization/27907
9146 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9149 2006-07-25 Roger Sayle <roger@eyesopen.com>
9152 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9153 bar(x) check that bar's result type can represent all the values of T.
9155 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9157 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9159 2006-07-25 Nick Clifton <nickc@redhat.com>
9161 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9162 size_lookup[] array.
9163 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9164 (ggc_pch_count_object): Likewise.
9165 (ggc_pch_alloc_object): Likewise.
9166 (ggc_pch_write_object): Likewise.
9167 (init_ggc): Do not attempt to initialize entries in the
9168 size_lookup[] array for objects whose size is greater than than
9169 the length of the array.
9171 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9173 * dbxout.c (output_used_types_helper): Push queued types
9175 (output_types_sort): New.
9176 (output_used_types): Collect used types on a VEC and sort them
9179 2006-07-24 Richard Guenther <rguenther@suse.de>
9182 * cgraph.c (cgraph_remove_node): Do not check if dumps
9184 * cgraphunit.c (cgraph_optimize): Likewise.
9186 2006-07-24 Jan Hubicka <jh@suse.cz>
9188 PR rtl-optimization/28071
9189 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9190 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9191 splitting before first stmt.
9193 2006-07-24 Jan Hubicka <jh@suse.cz>
9195 PR rtl-optimization/28071
9196 * ipa-inline.c (update_caller_keys): Remove edges that
9197 are no longer inline candidates.
9199 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9202 * dbxout.c (output_used_types_helper, output_used_types): New.
9203 (dbxout_symbol): Call output_used_types.
9205 2006-07-23 Jan Hubicka <jh@suse.cz>
9209 * cgraph.c (cgraph_varpool_nodes): Export.
9210 (decide_is_variable_needed): Ignored "used" attribute in
9211 unit-at-a-time mode.
9212 * cgraph.h (cgraph_varpool_nodes): Declare.
9213 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9214 unit-at-a-time mode.
9216 2006-07-23 Roger Sayle <roger@eyesopen.com>
9219 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9220 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9221 the __gthrw form of thr_keycreate.
9222 (__gthread_key_delete): Silence the unused argument warning.
9224 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9227 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9228 Cache the last found '\0' marker to avoid quadratic behavior.
9230 2006-07-23 Jan Hubicka <jh@suse.cz>
9232 * i386.md (subsi_3_zext): Fix output template.
9234 2006-07-21 Mike Stump <mrs@apple.com>
9236 * doc/invoke.texi (C++ Dialect Options): Note that
9237 -fvisibility-inlines-hidden doesn't affect explicitly
9238 instantiationed inline methods.
9240 2006-07-20 Roger Sayle <roger@eyesopen.com>
9242 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9243 if the target assembler is GNU binutils' gas.
9244 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9245 whether to pass GNU gas or native as command line options.
9247 2006-07-20 Jason Merrill <jason@redhat.com>
9249 * tree.c (remove_attribute): New fn.
9250 * tree.h: Declare it.
9252 2006-07-20 Paul Brook <paul@codesourcery.com>
9255 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9256 they are invalidated by this instruction.
9258 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9261 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9263 2006-07-20 Eric Christopher <echristo@apple.com>
9266 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9268 2006-07-19 Eric Christopher <echristo@apple.com>
9270 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9271 Rewrite dependencies for libgcc_s.1.dylib.
9273 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9275 * except.c (duplicate_eh_regions_1): Clear next_peer.
9277 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9279 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9280 -mlongcall does not guarantee all calls will be long.
9281 * doc/extend.texi (long_call/short_call): Document that longcall
9282 does not guarantee a long call will be used.
9283 (longcall/shortcall): Likewise.
9285 2006-07-18 Roger Sayle <roger@eyesopen.com>
9288 * expmed.c (expand_shift): Additionally check that the shift_cost
9289 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9290 before implementing a LSHIFT_EXPR as a sequence of additions.
9291 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9292 middle-end that DImode shifts need to be synthesized by expand.
9294 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9297 * tree-ssa-operands.c (access_can_touch_variable): Update
9299 Return true if ALIAS is .GLOBAL_VAR.
9301 2006-07-18 David Daney <ddaney@avtrex.com>
9303 * gcc.c (display_help): Fix typo in help text.
9305 2006-07-18 Olivier Hainque <hainque@adacore.com>
9307 * tree.h (categorize_ctor_elements): Adjust prototype and add
9308 descriptive comment, both in accordance with the interface change
9310 * varasm.c (constructor_static_from_elts_p): New function.
9311 Whether a constructor node is a valid static constant initializer
9312 if all its elements are.
9313 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9314 * output.h: Declare it.
9315 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9316 is a valid constant initializer instead of computing the number of
9317 non-constant elements. Use constructor_static_from_elts_p for this
9318 purpose. Replace the head comment with an indication that this is a
9319 helper for categorize_ctor_elements.
9320 (categorize_ctor_elements): Same interface change as for the _1
9321 helper. Former head comment from this helper moved here, adjusted to
9322 account for the interface changes.
9323 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9324 (all_zeros_p): Likewise.
9325 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9326 static versions of the constructor from the categorize_ctor_elements
9327 return value instead of the formerly computed number of non-constant
9330 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9332 * configure: Regenerate.
9333 * Makefile.in (build_libsubdir): New configure substitution
9334 (build_libobjdir): New variable.
9335 (BUILD_LIBIBERTY): Use it.
9337 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9340 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9342 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9345 * c-common.c (handle_weakref_attribute): Ignore attribute in
9346 the same conditions the alias attribute is ignored.
9348 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9350 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9351 (dbxout_begin_prologue): Increment scope_labelno.
9353 2006-07-17 Richard Henderson <rth@redhat.com>
9356 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9359 2006-07-17 Roger Sayle <roger@eyesopen.com>
9360 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9362 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9363 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9364 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9365 functions such as sbrk, write, etc.. Add function prototypes.
9366 Convert function declarations from K&R to ISO C. Cast pointers
9367 to "long" and "unsigned long" instead of "int" and "unsigned int".
9368 Convert tokens following #endif into comments.
9370 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9372 * invoke.texi: Remove mention of f77; Reformat table for
9373 inline parameter options correctly; mention that -malign-double
9374 is default on x86-64 targets.
9376 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9378 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9379 (convert_affine_scev, chrec_convert_aggressive): Use
9380 avoid_arithmetics_in_type_p. Do not check for the subtypes
9383 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9386 * optabs.c (expand_doubleword_shift): Wrap the call to
9387 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9389 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9392 * optabs.c (expand_binop): Pass next_methods rather than methods
9393 to expand_doubleword_shift.
9395 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9398 * tree.h (dump_addr): Declare.
9399 * print-tree.c (dump_addr): New function.
9400 (print_node_brief, print_node): Use it.
9401 * print-rtl.c (print_rtx): Likewise.
9402 * common.opt (-fdump-noaddr): New option.
9403 * doc/invoke.texi (-fdump-noaddr): Document.
9404 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9405 (ve_info_hash): Likewise.
9407 2006-07-13 Andrew Haley <aph@redhat.com>
9409 PR tree-optimization/19505
9410 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9411 edge leaving this block, make sure that the destination of this
9412 block has only one predecessor.
9414 2006-07-17 Richard Guenther <rguenther@suse.de>
9416 PR tree-optimization/28238
9417 * tree-inline.c (copy_bb): Check if we produced valid
9418 gimple copying and substituting a stmt. If not, gimplify
9421 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9423 * optabs.c (maybe_encapsulate_block): New function extracted from...
9424 (emit_libcall_block): ...here. Invoke it on the block of insns to
9425 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9426 (emit_no_conflict_block): Likewise.
9428 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9430 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
9432 2006-07-15 Roger Sayle <roger@eyesopen.com>
9434 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
9435 a new NOP_EXPR case of the switch statement.
9437 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
9440 * stor-layout.c (place_field): Take the bit field with
9441 an excessive size into account in the ms-bitfiled case.
9444 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9445 the previous bit field.
9447 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
9450 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
9452 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9454 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
9455 signal frames correctly even when the signal was installed with
9458 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
9460 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
9461 (dbxout_function_end): Use local label LFBB. Remove hook
9463 (dbxout_source_line): Use local label LFBB.
9464 (dbxout_block): Likewise.
9465 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
9466 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
9467 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
9468 and DBX_OUTPUT_NFUN.
9470 2006-07-13 Janis Johnson <janis187@us.ibm.com>
9472 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
9474 2006-07-13 Jan Hubicka <jh@suse.cz>
9476 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
9478 * output.h (align_variable): Declare.
9479 * varasm.c (align_variable): Export.
9480 * value-prof.c (tree_value_profile_transformations): Recompute iterator
9481 when basic block changed.
9483 2006-07-13 Nick Clifton <nickc@redhat.com>
9485 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
9486 walking the LOG_LINKS chain.
9488 2006-07-12 Geoffrey Keating <geoffk@apple.com>
9490 * doc/invoke.texi (C++ Dialect Options): Explain difference
9491 between -fvisibility-inlines-hidden and setting hidden
9492 visibility explicitly.
9494 2006-07-12 Eric Christopher <echristo@apple.com>
9496 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
9497 (stmp-lipo): Depend on libgcc.a.
9499 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
9501 * tree.c: Fix a comment typo.
9503 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
9505 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
9507 (umulhisi3_r): Likewise.
9509 2006-07-12 Paolo Carlini <pcarlini@suse.de>
9512 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
9513 x < 19, vs wchar_t support.
9515 2006-07-12 Nick Clifton <nickc@redhat.com>
9517 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
9518 instead of -isa=sh4.
9520 2006-07-12 Mike Stump <mrs@apple.com>
9522 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9524 2006-07-10 Eric Christopher <echristo@apple.com>
9526 * config/t-slibgcc-darwin: Rewrite.
9528 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
9531 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
9534 2006-07-08 Matthias Klose <doko@debian.org>
9536 * doc/sourcebuild.texi: Fix typo.
9538 2006-07-07 Mike Stump <mrs@apple.com>
9540 * toplev.c (process_options): Don't give -ffunction-sections may
9541 affect debugging warning for Mach-O.
9543 2006-07-07 James E Wilson <wilson@specifix.com>
9545 * config/mips/mips.md (cpu): Add sb1a.
9546 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
9547 addition to sb1. Adjust comments to clarify SB-1A differences from
9549 (ir_sb1a_load): New. Modify bypasses to use it.
9550 (ir_sb1a_simple_alu): Likewise.
9551 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
9552 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
9553 (mips_issue_rate): Add PROCESSOR_SB1A.
9554 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
9555 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
9556 (TARGET_SB1): Add PROCESSOR_SB1A check.
9557 (TUNE_SB1): Likewise.
9559 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
9560 * config/mips/mips.c (mips_store_data_bypass_p): New.
9561 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
9562 store_data_bypass_p.
9564 2006-07-08 Paul Brook <paul@codesourcery.com>
9567 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9569 2006-07-07 Richard Guenther <rguenther@suse.de>
9572 * tree.h (build_one_cst): Declare.
9573 * tree.c (build_one_cst): New function.
9574 * tree-ssa-math-opts.c (get_constant_one): Remove.
9575 (insert_reciprocals): Use build_one_cst.
9576 * fold-const.c (fold_plusminus_mult): Likewise.
9578 2006-07-07 Roger Sayle <roger@eyesopen.com>
9580 * pointer-set.c (pointer_set_destroy): Correct whitespace.
9581 * cfgloopanal.c (dump_graph): Likewise.
9582 * dojump.c (discard_pending_stack_adjust): Likewise.
9583 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
9585 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9586 * function.c (finalize_block_changes): Likewise.
9587 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
9588 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
9589 * rtl.c (dump_rtx_statistics): Likewise.
9590 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
9592 * varray.c (dump_varray_statistics): Likewise.
9593 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
9594 decode_decimal64, encode_decimal128, decode_decimal128,
9595 decimal_real_to_decimal): Likewise.
9597 2006-07-07 Richard Guenther <rguenther@suse.de>
9599 PR tree-optimization/28187
9600 * tree-vrp.c (vrp_operand_equal_p): New function.
9601 (vrp_bitmap_equal_p): Likewise.
9602 (update_value_range): Use them to compare old and new
9605 2006-07-06 Roger Sayle <roger@eyesopen.com>
9607 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
9608 a default case to switch statement to silence compiler warnings.
9610 2006-07-06 Roger Sayle <roger@eyesopen.com>
9613 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
9614 the configured assembler supports the x87's ffreep mnemonic.
9615 * configure: Regenerate.
9616 * config.in: Regenerate.
9618 * config/i386/i386.c (output_387_ffreep): New function.
9619 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
9620 (output_387_reg_move): Likewise.
9622 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
9624 Port to hosts whose 'sort' and 'tail' implementations
9625 treat operands with leading '+' as file names, as POSIX
9626 has required since 2001. However, make sure the code still
9627 works on pre-POSIX hosts.
9628 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
9629 which says you should use "tail -c +N" rather than "tail +Nc".
9630 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
9632 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9634 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
9637 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9640 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
9641 PRE_{INC,DEC} of TFmode.
9643 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9644 Alan Modra <amodra@bigpond.net.au>
9647 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
9650 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9653 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
9654 Remove duplicate gtu.
9656 2006-07-05 Jason Merrill <jason@redhat.com>
9660 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
9661 * c-common.c (handle_packed_attribute): So don't copy it here.
9662 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
9664 2006-07-05 Mike Stump <mrs@apple.com>
9666 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
9668 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
9671 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
9673 2006-07-05 Richard Guenther <rguenther@suse.de>
9676 * config/i386/i386.md (*negdf2_1): Restrict pattern to
9677 TARGET_SSE2 targets if using SSE math.
9678 (*absdf2_1): Likewise.
9680 2006-07-05 Richard Guenther <rguenther@suse.de>
9682 PR tree-optimization/28162
9683 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
9684 make sure to convert the operands to the correct type.
9686 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9688 PR tree-optimization/28218
9690 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
9691 to calculate and free the dominator information.
9693 2006-07-04 Peter O'Gorman <peter@pogma.com>
9695 * mklibgcc.in: chmod 644 before ranlib during install.
9697 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
9698 J"orn Rennecke <joern.rennecke@st.com>
9700 * configure.ac (.eh_frame data check): Use diff -b.
9702 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9705 * Makefile.in (BUILD_RTL): Add build/vec.o.
9706 (build/gencondmd.o): Filter out -fkeep-inline-functions.
9707 (build/genextract): Delete.
9708 (build/genautomata): Likewise.
9710 2006-07-04 Alan Modra <amodra@bigpond.net.au>
9713 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
9714 128-bit IBM long doubles for ABI_V4.
9716 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
9718 * tree.c (range_in_array_bounds_p): New predicate.
9719 * tree.h (range_in_array_bounds_p): Declare it.
9720 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
9721 return a less conservative answer.
9722 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
9723 and flag 'is_group'.
9724 (IS_ELEMENT_FOR_GROUP): New macro.
9725 (FOR_EACH_ACTUAL_CHILD): Likewise.
9726 (next_child_for_group): New helper function.
9727 (can_completely_scalarize_p): Take into account groups.
9728 (sra_hash_tree): Handle RANGE_EXPR.
9729 (sra_elt_eq): Likewise.
9730 (lookup_element): Be prepared for handling groups.
9731 (is_valid_const_index): Delete.
9732 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
9733 instead of is_valid_const_index.
9734 <ARRAY_RANGE_REF>: New case.
9735 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
9736 is_valid_const_index.
9737 <ARRAY_RANGE_REF>: Do not unconditionally punt.
9738 (scan_dump): Dump info for groups too.
9739 (decide_instantiation_1): Likewise.
9740 (decide_block_copy): Assert that the element is not a group.
9741 Propagate decision to groups.
9742 (generate_one_element_ref): Handle RANGE_EXPR.
9743 (mark_no_warning): Iterate over actual childs.
9744 (generate_copy_inout): Likewise.
9745 (generate_element_copy): Likewise.
9746 (generate_element_zero): Likewise.
9747 (generate_element_init_1): Likewise.
9748 (dump_sra_elt_name): Handle RANGE_EXPR.
9750 2006-07-03 Roger Sayle <roger@eyesopen.com>
9752 PR tree-optimization/26251
9753 * tree-ssa-threadupdate.c (redirection_block_p): New function.
9754 (thread_block): When optimizing for size refuse to thread jumps
9755 that would require duplication of blocks other than redirection
9758 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9760 * configure.ac: Fix thinko in previous check-in.
9761 * configure: Regenerate.
9763 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9766 * configure.ac (for lang...): Simplify nesting of conditionals.
9767 Test subdir_requires for non-enabled languages. Move processing
9768 of lang_opt_files and lang_tree_fiels below that test.
9769 * configure: Regenerate.
9770 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
9772 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
9774 * doc/gcov.texi (Invoking Gcov): Add a missing word.
9776 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
9778 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
9781 2006-06-29 Jason Merrill <jason@redhat.com>
9788 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
9789 * c-common.c (c_determine_visibility): Handle it here.
9790 * c-decl.c (finish_decl): Call c_determine_visibility for
9792 * flags.h (enum symbol_visibility): Sort from most to least visibility.
9794 * varasm.c (default_assemble_visibility): Likewise.
9795 * c-common.c (handle_visibility_attribute): Complain about trying
9796 to give visibility to an already defined class, or trying to change
9797 declared visibility. Always attach the attribute.
9802 * attribs.c (decl_attributes): Ignore type-in-place attributes
9803 once the type has been defined.
9805 2006-06-29 Roger Sayle <roger@eyesopen.com>
9808 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
9809 to indicate the cpplib has issued an error message for us.
9811 2006-06-29 Asher Langton <langton2@llnl.gov>
9814 * config/i386/i386.c (ix86_output_function_epilogue): Don't
9815 insert a label at the end of an function under Mach-O.
9817 2006-06-29 Eric Christopher <echristo@apple.com>
9818 Evan Cheng <evan.cheng@apple.com>
9820 * predicates.md (vector_all_ones_operand): New.
9821 (nonimmediate_or_sse_const_operand): Ditto.
9822 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
9823 * config/i386/i386.c (standard_sse_constant_opcode): Define.
9824 (standard_sse_mode_p): Ditto.
9825 (standard_sse_constant_p): Add case for -1 vector.
9826 (ix86_expand_vector_move): Try to use.
9827 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
9828 Call standard_sse_constant_opcode.
9829 (*movv4sf_internal): Ditto.
9830 (*movv2df_internal): Ditto.
9832 2006-06-29 Roger Sayle <roger@eyesopen.com>
9834 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
9835 of XEXP to extract the operands of a MATCH_CODE rtx.
9837 2006-06-28 Andrew Pinski <pinskia@gmail.com>
9839 * tree.c (tree_size): Do not waste tail padding in
9840 struct tree_string and make the size be the same as
9841 build_string will generate.
9843 2006-06-28 Jason Merrill <jason@redhat.com>
9846 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
9847 may_aliases already in the tag's annotations to the bitmap.
9849 2006-06-28 Roger Sayle <roger@eyesopen.com>
9851 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
9853 2006-06-28 Roger Sayle <roger@eyesopen.com>
9855 * genpreds.c (generate_switch_p): New function.
9856 (add_mode_tests): Push the new mode test down inside an AND expr
9857 if this allows the switch-suitable MATCH_CODE to be near the root.
9858 (write_match_code_switch): New function to write a MATCH_CODE as
9860 (write_predicate_stmts): New function to write a predicate RTX
9861 expression as a sequence of statements.
9862 (write_one_predicate_function): Use write_predicate_stmts.
9863 (write_tm_constrs_h): Likewise.
9865 2006-06-26 Fred Fish <fnf@specifix.com>
9867 * config/mips/t-sb1: New file.
9868 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
9871 2006-06-26 DJ Delorie <dj@redhat.com>
9873 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
9875 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
9876 Jayant Sonar <jayants@kpitcummins.com>
9877 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
9879 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
9880 (subsi3, subsi3_1, subsi3_2): New.
9881 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
9882 * config/m32c/mov.md (SI mov peephole): New.
9883 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
9884 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
9886 2006-06-26 Olivier Hainque <hainque@adacore.com>
9888 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
9889 a CALL_EXPR target function declaration.
9891 2006-06-26 Richard Guenther <rguenther@suse.de>
9893 * tree.c (build_string): Do not waste tail padding in
9896 2006-06-26 Richard Guenther <rguenther@suse.de>
9898 * ggc-page.c (init_ggc): Add missing element to size_lookup
9902 2006-06-23 Richard Guenther <rguenther@suse.de>
9904 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9905 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9906 alignment requests instead. Add verification code.
9907 Add struct tree_function_decl and struct tree_binfo size to
9908 extra_order_size_table. Add missing element to size_lookup
9911 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
9914 * fold-const.c (const_binop): Be prepared for self returning zero.
9915 Simplify code handling complex values.
9917 2006-06-24 Olivier Hainque <hainque@adacore.com>
9919 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
9920 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
9923 2006-06-24 Olivier Hainque <hainque@adacore.com>
9925 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
9926 ARRAY_REF, so have the callback called for the low bound expression.
9928 2006-06-23 Janis Johnson <janis187@us.ibm.com>
9930 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
9931 * c-typeck.c (c_common_type): Disallow operations on decimal float
9932 types and other float types.
9933 * convert.c (convert_to_real): Don't ignore conversions involving
9934 decimal float types.
9936 2006-06-23 Olivier Hainque <hainque@adacore.com>
9938 * tree.c (max_int_size_in_bytes): New function, inspired from
9939 code in function.c:assign_temp.
9940 * tree.h (max_int_size_in_bytes): Declare.
9941 * function.c (assign_temp): Use it.
9942 * gimplify.c (create_tmp_var): Relax the assertions on the type
9943 properties, not mandating constant size any more.
9944 (force_constant_size): New static function.
9945 (gimple_add_tmp_var): Use it, forcing variable size to a
9946 constant upper bound if it is not constant on entry.
9948 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
9951 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
9952 for initialization and setting of one_only flag to ...
9953 (i386_pe_encode_section_info): ...here.
9954 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
9955 Recheck that the symbol has not been defined.
9957 2006-06-23 Richard Guenther <rguenther@suse.de>
9959 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9960 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9961 alignment requests instead. Add verification code.
9962 Add struct tree_function_decl and struct tree_binfo size to
9963 extra_order_size_table. Add missing element to size_lookup
9966 2006-06-22 Roger Sayle <roger@eyesopen.com>
9967 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9970 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
9971 call to lang_hooks.types.type_for_mode returned NULL_TREE.
9973 2006-06-23 Ben Elliston <bje@au.ibm.com>
9975 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
9976 negate dn -- manipulate it directly.
9978 2006-06-22 Roger Sayle <roger@eyesopen.com>
9979 Steven Bosscher <stevenb.gcc@gmail.com>
9982 * reload1.c (gen_reload): Call mark_jump_label on the new insns
9983 generated by gen_move_insn to add REG_LABEL notes if necessary.
9985 2006-06-22 Bob Wilson <bob.wilson@acm.org>
9987 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
9988 (leaf_entry): Remove use of MIN_ESA.
9990 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
9992 PR rtl-optimization/28121
9993 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
9996 2006-06-21 DJ Delorie <dj@redhat.com>
9998 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10000 (mulhisi3_r): Likewise.
10002 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10004 PR middle-end/28034
10005 * coverage.c (coverage_counter_alloc): Leave the index type
10007 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10010 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10012 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10013 section from the "Options for Code Generation Conventions".
10015 2006-06-21 Richard Henderson <rth@redhat.com>
10019 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10021 (global_symbolic_operand): Allow weak symbols, even if local_p.
10023 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10025 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10026 (find_interesting_uses_address): Punt if above function returns true.
10028 2006-06-21 Richard Guenther <rguenther@suse.de>
10030 * configure: Regenerated.
10032 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10034 * config/mips/mips.c (function_arg): Where one part of a
10035 complex argument is in registers and the other part in the stack,
10036 return a REG not a PARALLEL.
10038 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10040 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10041 when cross-compiling. Do not substitute libstdcxx_incdir.
10042 * configure: Regenerated.
10044 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10046 * varasm.c (mergeable_string_section): Check for embedded NULs and
10047 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10048 rather than TREE_STRING_LENGTH bytes.
10050 2006-06-21 Richard Guenther <rguenther@suse.de>
10052 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10053 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10056 2006-06-21 Richrad Guenther <rguenther@suse.de>
10058 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10059 Limit iteration over the dominators.
10061 2006-06-20 Roger Sayle <roger@eyesopen.com>
10063 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10064 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10066 2006-06-20 Richard Guenther <rguenther@suse.de>
10067 Michael Matz <matz@suse.de>
10069 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10071 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10072 * et-forest.h (et_free_pools): Prototype new function.
10073 * et-forest.c (et_free_tree_force): Free parent occurrence.
10074 (et_free_pools): New function.
10075 * dominance.c (free_dominance_info): Free et-forest alloc
10078 2006-06-20 Roger Sayle <roger@eyesopen.com>
10080 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10081 integer modes, attempt to directly construct an integer constant.
10083 * fold-const.c (native_encode_vector): Determine the size of each
10084 element from the vector type instead of the first vector element.
10086 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10087 if all of its elements/components are constant.
10088 (build_constructor_from_list): Likewise.
10090 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10092 PR tree-optimization/27331
10093 * tree-data-ref.c (free_data_ref): New function.
10094 (create_data_ref): Fail if the data reference has unknown access
10096 (free_data_refs): Use free_data_ref.
10098 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10100 PR middle-end/28075
10101 * tree-inline.c (setup_one_parameter): Strip useless
10102 type conversion before adding it to the IR.
10103 (declare_return_variable): Likewise.
10105 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10108 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10110 2006-06-19 Mike Stump <mrs@apple.com>
10112 * tree.c (variably_modified_type_p): VM arguments don't make the
10115 2006-06-19 Richard Guenther <rguenther@suse.de>
10117 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10118 type conversions after folding.
10120 2006-06-19 Richard Guenther <rguenther@suse.de>
10122 * ggc-page.c (extra_order_size_tab): Add entries with
10123 size of struct function and basic_block.
10124 (size_lookup): Extend to cover sizes up to 511.
10125 (ggc_alloc_stat): Adjust user.
10126 (ggc_pch_count_object): Likewise.
10127 (ggc_pch_alloc_object): Likewise.
10128 (ggc_pch_write_object): Likewise.
10130 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10132 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10133 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10136 2006-06-19 Denis Chertykov <denisc@overta.ru>
10138 * config/avr/libgcc.S : Correct my wrong previous commit.
10140 2006-06-19 Roger Sayle <roger@eyesopen.com>
10143 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10144 have stripped a SUBREG from the shift count, so we may need to
10145 convert_to_mode back to the type's mode before calling make_tree.
10146 Use new_amount instead of amount to avoid expanding a tree twice.
10148 2006-06-19 Richard Guenther <rguenther@suse.de>
10150 PR middle-end/28045
10151 * fold-const.c (operand_equal_p): Check if the argument types
10152 have the same precision before stripping NOPs.
10154 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10156 Fix PR tree-optimization/27341
10157 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10159 * tree-complex.c (pass_lower_complex): Update SMT usage.
10161 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10163 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10164 Add a new alternative to the constraint strings. Add move of
10165 operand 1 to 3 to the splitter definition.
10166 ("doloop_si_long"): Second contraint alternative removed.
10168 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10170 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10171 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10173 (AVR_HAVE_MOVW) Define.
10174 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10175 (ASM_SPEC): Add avr25.
10176 (LINK_SPEC): Add avr25.
10177 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10178 (base_arch_s): Add new member 'have_movw_lpmx'.
10179 (avr_arch_types): Init 'have_movw_lpmx'.
10180 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10181 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10182 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10183 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10184 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10186 (avr_file_start): Do not output '.arh' derective.
10187 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10188 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10189 * config/avr/avr.md (mcu_enhanced): Delete.
10190 (mcu_have_movw): Define.
10191 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10192 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10193 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10194 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10195 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10196 attiny861 and at86rf401 devices.
10198 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10200 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10203 2006-06-17 Karl Berry <karl@gnu.org>
10205 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10206 doc/gccint.texi, doc/install.texi (@dircategory): Use
10207 "Software development" instead of "Programming", following
10208 the Free Software Directory.
10210 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10212 * config/i386/i386.c (legitimate_tls_address)
10213 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10214 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10215 (*tls_dynamic_gnu2_combine_64): Likewise.
10217 2006-06-16 Richard Guenther <rguenther@suse.de>
10219 PR middle-end/27116
10220 * fold-const.c (negate_expr_p): Do not introduce undefined
10221 overflow in negating INTEGER_CSTs.
10222 (fold_negate_expr): Rename from negate_expr. Revert last
10223 change for folding BIT_NOT_EXPR. Change semantics to
10224 return NULL_TREE for non-simplified negations. Do not
10225 strip type conversions and unify type handling.
10226 (negate_expr): New function, wrap around fold_negate_expr
10227 but ensure building a tree always. Strip type conversions
10228 here, fold to result type.
10229 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10231 2006-06-16 Roger Sayle <roger@eyesopen.com>
10233 PR middle-end/27802
10234 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10235 that (would) return their results in stack registers.
10237 2006-06-16 Michael Matz <matz@suse.de>
10238 Richard Guenther <rguenther@suse.de>
10240 * fold-const.c (fold_truthop): Only return new tree node if
10241 we canonicalized something.
10243 2006-06-16 Richard Guenther <rguenther@suse.de>
10245 * function.h (enum function_frequency): Move declaration
10246 out of struct function.
10247 (struct function): Move bool fields and the enum to the bitfield
10248 section. Reorder elements to avoid padding. Remove unused
10249 fields left over from the RTL inliner removal.
10250 * function.c (free_after_compilation): Do not zero removed fields.
10251 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10252 (ipa-type-escape.o): Likewise.
10254 2006-06-16 Richard Guenther <rguenther@suse.de>
10256 * cgraph.h (struct cgraph_local_info): Turn bool elements
10258 (struct cgraph_node): Likewise.
10259 (struct cgraph_varpool_node): Likewise.
10261 2006-06-15 Richard Guenther <rguenther@suse.de>
10263 * fold-const.c (fold_truth_not_expr): Rename from
10264 invert_truthvalue. Give it fold_* semantics to avoid
10265 generating garbage.
10266 (invert_truthvalue): New function. Wrapper around
10267 fold_truth_not_expr.
10268 (optimize_minmax_comparison): Avoid creating garbage.
10269 (fold_unary): Use fold_truth_not_expr for folding
10271 (fold_ternary): Replace uses of invert_truthvalue with
10272 fold_truth_not_expr where applicable.
10273 * tree.h (fold_truth_not_expr): Prototype.
10275 2006-06-16 Richard Guenther <rguenther@suse.de>
10277 PR tree-optimization/27781
10278 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10279 * ipa-pure-const.c (target.h): Include.
10280 (analyze_function): Do not analyze functions that do not
10283 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10285 PR middle-end/27793
10286 * tree-dfa.c (referenced_vars_dup_list): Remove.
10287 (find_referenced_vars): Remove assert.
10288 (referenced_var_check_and_insert): Replace dup list with assert.
10289 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10290 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10292 2006-06-15 Richard Guenther <rguenther@suse.de>
10294 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10295 extra unused identifiers if not dumping.
10296 (create_variable_info_for): Likewise.
10298 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10300 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10301 (derive_constant_upper_bound): Derive more precise upper bound in
10302 common cases. Return type changed to double_int.
10303 (record_estimate): Reflect the changed return type of
10304 derive_constant_upper_bound.
10305 * double-int.c (double_int_zext, double_int_sext): Fix.
10307 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10309 * configure.ac (CFLAGS): Get them from the toplevel or from the
10310 configure invocation.
10311 * configure: Regenerate.
10312 * Makefile.in (CFLAGS): Substitute value provided by configure.
10314 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10317 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10318 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10319 rather than calling add_stmt on it.
10320 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10322 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10324 PR middle-end/27959
10325 * reload1.c (reload): Remove registers returned by update_eliminables
10326 from used_spill_regs.
10328 2006-06-13 DJ Delorie <dj@redhat.com>
10330 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10332 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10334 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10335 html__strip_dir, html__mkdir_p. Enhance install-html target.
10336 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10337 * configure: Regenerate.
10339 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10341 * fold-const.c (fold_cond_expr_with_comparison): Check for
10342 Objective-C++ as language in deciding COND_EXPR transformation.
10344 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10347 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10348 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10349 * config/sh/lib1funcs.h (SL, SL1): Define.
10350 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10351 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10352 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10353 (OBJS_Os_4_200): New variable.
10354 ($(T)libgcc-Os-4-200.a): Use it.
10355 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10356 when dividing 1 and/or by 0.
10358 2006-06-13 Roger Sayle <roger@eyesopen.com>
10360 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10361 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10362 * configure: Regenerate.
10364 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10366 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10367 for real instruction.
10369 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10371 PR middle-end/26807
10372 * haifa-sched.c (check_cfg): Handle special case.
10374 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10377 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10378 Add debug_info parameter. Chain the vars to the BLOCK instead
10379 of the BIND_EXPR if debug info are requested for them.
10380 (pop_gimplify_context): Adjust for above change.
10381 (gimple_add_tmp_var): Likewise.
10382 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10383 Add bool parameter.
10384 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10385 (convert_local_reference): Likewise.
10386 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10387 (finalize_nesting_tree_1): Request that debug info be emitted
10388 for debug_var_chain.
10390 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10392 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10393 for PR target/27863.
10395 2006-06-13 Richard Guenther <rguenther@suse.de>
10397 PR middle-end/27536
10398 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10400 2006-06-13 Richard Guenther <rguenther@suse.de>
10402 PR tree-optimization/27830
10403 * tree-inline.c (copy_body_r): For copying the operand
10404 of an ADDR_EXPR make sure to fold &* afterwards.
10406 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10408 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10409 lvalues in the fb_none case with side-effects.
10411 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10413 * tree-flow.h: Remove the prototype for
10414 compute_phi_arg_on_exit.
10415 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10416 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10419 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10421 * builtins.c (expand_builtin_return_addr): Only use
10422 frame_pointer_rtx when count == 0 and we are expanding
10423 __builtin_return_address.
10425 2006-06-12 Fred Fish <fnf@specifix.com>
10427 * config/mips/mips.c (mips_file_start): Create special section
10428 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10430 2006-06-11 Eric Christopher <echristo@apple.com>
10432 PR middle-end/27948
10433 * stor-layout.c (place_field): Remove check for
10434 remaining_in_alignment when aligning at the end of a run.
10436 2006-06-11 Eric Christopher <echristo@apple.com>
10439 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
10442 2006-06-11 Roger Sayle <roger@eyesopen.com>
10445 Revert incorrect fix for PR target/27158
10446 2006-05-08 Roger Sayle <roger@eyesopen.com>
10447 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10448 of a reg_equiv_constant if the result is a legitimate constant.
10450 2006-06-11 Roger Sayle <roger@eyesopen.com>
10453 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
10454 extract a CONST_VECTOR element and interpret it as an integer.
10455 (vspltis_constant): Use const_vector_elt_as_int instead of the
10456 macro CONST_VECTOR_ELT in order to handle FP vector modes.
10457 * config/rs6000/predicates.md (easy_vector_const): Consider
10458 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
10460 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
10462 PR middle-end/27942
10463 * stor-layout.c (update_alignment_for_field): Don't add extra
10464 alignment for packed non-bitfield fields in ms_bitfield_layout_p
10467 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
10469 * config/mips/t-rtems: Add EL/EB multilib variants.
10471 2006-06-09 Mike Stump <mrs@apple.com>
10473 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
10475 2006-06-09 David Daney <ddaney@avtrex.com>
10477 * doc/install.texi: Add binutils version recommendation for mips-*-*.
10479 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
10481 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
10483 2006-06-09 Richard Guenther <rguenther@suse.de>
10485 PR tree-optimization/26998
10486 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
10487 of signed types, only TYPE_MIN_VALUE is special, but for both,
10488 minimum and maximum value. Likewise VR_ANTI_RANGE is special
10489 in this case, as is -fwrapv.
10491 2006-06-08 Mike Stump <mrs@apple.com>
10494 * config/darwin.c (darwin_asm_output_anchor): Disable
10495 -fsection-anchors on darwin for now.
10496 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
10497 * rs6000/rs6000.c (optimization_options): Likewise.
10499 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10502 * config/i386/i386.c (classify_argument): Skip fields with invalid
10505 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
10507 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
10508 (cse_insn): Likewise for the stack_pointer_rtx.
10510 2006-06-08 Roger Sayle <roger@eyesopen.com>
10512 * tree-ssa-dom.c (record_conditions): Only record "unordered"
10513 conditions from floating point comparisons.
10515 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
10517 PR middle-end/27733
10518 * expmed.c (struct alg_hash_entry): Fix type of field T
10519 to match synth_mult argument.
10520 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
10522 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10525 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
10528 2006-06-08 Richard Guenther <rguenther@suse.de>
10530 PR middle-end/27116
10531 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
10532 only, if overflow is defined and not trapping.
10533 (negate_expr): Likewise.
10535 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10537 PR tree-optimization/27872
10538 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
10539 flag on the new exit edge of the unrolled loop.
10541 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10543 PR rtl-optimization/26449
10544 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
10546 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
10548 PR middle-end/27793
10549 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
10550 referenced_variables with matching DECL_UID's.
10551 (find_referenced_vars): Make sure duplicate list is empty to start.
10552 (referenced_var_p): Remove.
10553 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
10554 Check if var is in the list, and add if needed. Update the duplicate
10555 list if a different var is in the list with the same DECL_UID.
10556 (add_referenced_var): Call routine to check and insert.
10557 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
10558 * tree-flow.h (referenced_vars_dup_list): External declaration.
10560 2006-06-07 Fred Fish <fnf@specifix.com>
10562 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10565 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10568 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10569 the imaginary and real parts of a clobbered register.
10570 Emit insn to set the imaginary part.
10572 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
10574 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
10575 in lieu of unwind-dw2-fde.c.
10577 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10579 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
10581 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
10584 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
10585 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
10586 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
10587 V4SImode temporaries and operations instead.
10589 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
10591 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
10594 2006-06-06 Mike Stump <mrs@apple.com>
10596 * Makefile.in: Rename to htmldir to build_htmldir to avoid
10597 installing during build.
10599 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10601 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
10603 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10604 * config/ia64/ia64.c (params.h): New header.
10605 (ia64_optimization_options): New function to adjust parameters.
10606 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
10607 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
10608 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
10610 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
10612 * stor-layout.c (debug_rli): Fix a typo in a debug message.
10614 2006-06-05 Steve Ellcey <sje@cup.hp.com>
10617 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
10619 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
10620 Victor Kaplansky <victork@il.ibm.com>
10622 PR tree-optimization/26360
10623 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
10626 2006-06-04 Roger Sayle <roger@eyesopen.com>
10627 Andrew Pinski <pinskia@physics.uc.edu>
10629 PR middle-end/27382
10630 * c-common.c (c_common_truthvalue_conversion): Explicitly check
10631 for LABEL_DECL before calling DECL_WEAK.
10634 * c-typeck.c (build_binary_op): Likewise, explicitly check for
10635 LABEL_DECL and PARM_DECL.
10637 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
10641 * c-decl.c (grokdeclarator): Disallow variably modified types at
10642 file scope. Avoid marking shared array type of constant size as
10645 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10648 * c-common.c (fold_offsetof_1): Handle static members.
10650 2006-06-04 Eric Christopher <echristo@apple.com>
10652 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
10653 (debug_rli): Output value for remaining_in_alignment.
10654 (update_alignment_for_field): Unconditionalize
10655 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
10656 extra alignment code.
10657 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
10658 ms_bitfield_layout_p code. Rewrite handling of structure fields.
10659 * tree.h (record_layout_info_s): Remove prev_packed.
10660 * doc/extend.texi (ms_struct): Add documentation of format.
10662 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
10664 * tree.h: Declare folding_initializer.
10665 * builtins.c (fold_builtin_constant_p): Give definite answer
10666 if folding inside an initializer.
10667 * fold-const.c: Define folding_initializer.
10668 (START_FOLD_INIT): Save and then set folding_initializer.
10669 (END_FOLD_INIT): Restore folding_initializer.
10671 2006-06-04 Richard Guenther <rguenther@suse.de>
10673 PR tree-optimization/27039
10674 * fold-const.c (fold_comparison): Handle pointer comparison
10675 again for all comparison codes. Compare offsets in signed
10677 (fold_binary): Move code from here.
10679 2006-06-03 Roger Sayle <roger@eyesopen.com>
10682 * config/i386/i386.c (construct_container): Split static issued_error
10683 flag into issued_sse_arg_error, issued_sse_ret_error and
10684 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
10685 requires the use of x87 registers and the user explicitly
10686 specified the -mno-80387 command line option.
10688 2006-06-02 Geoffrey Keating <geoffk@apple.com>
10690 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
10691 HAVE_DECL_SIGALTSTACK.
10693 (segv_handler): Use MC_FLD.
10694 * configure.ac: Check for a sigaltstack declaration.
10695 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
10696 * configure: Regenerate.
10697 * config.in: Regenerate.
10699 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
10702 * Makefile.in (stmp-fixinc): Fix typo.
10704 2006-06-02 Roger Sayle <roger@eyesopen.com>
10706 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
10707 are type correct. Clean-up.
10708 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
10709 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
10711 2006-06-01 DJ Delorie <dj@redhat.com>
10713 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
10714 shift, as we've disabled the "switch" insn that needs it.
10716 2006-06-01 Per Bothner <bothner@bothner.com>
10718 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
10719 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
10720 * c-ppoutput.c (cb_define): Don't increment line 0.
10722 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
10724 * doc/invoke.texi: Add cpu_type power6.
10725 * config.gcc: Add cpu_type power6.
10726 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
10727 to power5+ with Altivec.
10728 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
10729 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
10731 2006-05-30 Anatoly Sokolov <aesok@post.ru>
10733 * config/avr/avr.h (SET_ASM_OP): Define.
10735 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
10737 * config/bfin/bfin.c: Fix comment typos.
10739 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10742 * doc/install.texi: Document --enable-bootstrap and
10743 --disable-bootstrap.
10745 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10747 * doc/install.texi: Document that InfoZIP can replace jar.
10749 2006-05-31 Roger Sayle <roger@eyesopen.com>
10751 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
10752 isn't available, directly generate the simpler x87 patterns without
10753 the (use (const_int 0)).
10754 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
10755 implementation isn't available.
10756 (*negdf2_1): Likewise.
10757 (*negxf2_1): XF mode negation is always done using the x87.
10758 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
10760 2006-05-31 Roger Sayle <roger@eyesopen.com>
10762 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
10763 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
10765 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
10767 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10769 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
10770 * config/bfin/bfin.c (basic-block.h): Include.
10771 (struct machine_function): New.
10772 (bfin_init_machine_status): New.
10773 (override_options): Initialize init_machine_status.
10774 (bfin_hardware_loop): New.
10775 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
10776 (DEF_VEC_P (loop_info)): New.
10777 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
10778 (struct loop_info): New.
10779 (loop_info): New typedef.
10780 (struct loop_work): New.
10781 (loop_work): New typedef.
10782 (DEF_VEC_O (loop_work)): New.
10783 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
10784 (bfin_dump_loops): New.
10785 (bfin_bb_in_loop): New.
10786 (bfin_scan_loop): New.
10787 (bfin_optimize_loop): New.
10788 (bfin_reorg_loops): New.
10789 (bfin_reorg): Use bfin_reorg_loops.
10790 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
10792 (I_REGNO_P): Simplify.
10793 (DP_REGNO_P, DPREG_P): New macros.
10794 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
10795 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
10796 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10797 Add LT_REGS, LC_REGS, LB_REGS.
10798 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
10800 (REGNO_REG_CLASS): Deal with loop registers.
10801 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
10803 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
10804 New constants for loop registers.
10805 (UNSPEC_LSETUP_END): New.
10806 (seq_insns): New define_attr. Set it for appropriate insns.
10807 (movsi_insn): Add alternatives for move from/to
10808 loop count registers.
10809 (doloop_end): New define_expand.
10810 (loop_end): New define_insn.
10811 (define_split for bad doloop_end): New.
10812 (lsetup_with_autoinit): New define_insn.
10813 (lsetup_without_autoinit): New define_insn.
10814 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
10815 * config/bfin/predicates.md (lc_register_operand): New.
10816 (lt_register_operand): New.
10817 (lb_register_operand): New.
10818 (nondp_register_operand): New.
10819 (nondp_reg_or_memory_operand): New.
10820 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
10822 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10824 * config/bfin/bfin.c (bfin_delegitimize_address): New.
10825 (TARGET_DELEGITIMIZE_ADDRESS): Define.
10827 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
10829 * Makefile.in (CATALOGS): Add po/ prefix.
10830 * configure: Regenerated.
10832 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
10835 * arm.c (arm_print_operand case 'S'): Validate that the operand is
10836 a shift operand before calling shift_op. Avoid redundant call of
10839 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
10840 DJ Delorie <dj@redhat.com>
10842 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
10843 we're inserting is a singlt-bit constant.
10845 2006-05-30 Roger Sayle <roger@eyesopen.com>
10847 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
10848 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
10850 2006-05-30 Roger Sayle <roger@eyesopen.com>
10852 PR tree-optimization/23452
10853 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
10854 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
10855 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
10856 complex values and with -ffast-math for FP complex values.
10858 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
10860 * c-common.h: Remove the prototype for yyparse.
10861 * rtl.h: Remove the prototype for init_loop.
10863 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
10865 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
10868 2006-05-30 Roger Sayle <roger@eyesopen.com>
10870 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
10872 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
10873 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
10875 2006-05-30 Dirk Mueller <dmueller@suse.de>
10878 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
10879 for CONSTANT_CLASS_P expresisons.
10881 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10884 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
10886 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
10888 PR tree-optimization/27779
10889 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
10890 initial_condition instead of CHREC_LEFT.
10892 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
10894 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
10895 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
10896 Make prototypes ISO C90.
10898 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
10899 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10901 * see.c (see_analyze_one_def): Correct check.
10902 (see_get_extension_data): Check if extension is parallel.
10903 (see_get_extension_reg): Likewise.
10905 2006-05-30 Uros Bizjak <uros@kss-loka.si>
10908 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
10909 into register for (code == GTU).
10911 2006-05-29 Roger Sayle <roger@eyesopen.com>
10913 PR tree-optimization/24964
10914 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
10915 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
10916 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
10917 abs(x)*abs(x) as x*x for scalar floating point modes.
10919 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
10921 PR middle-end/27745
10922 * lambda-code.c (perfect_nestify): Don't copy statements
10923 in the inner loop: move them to the inner loop header.
10925 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10928 * c-tree.texi: Document OpenMP directives and clauses.
10930 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10932 * varasm.c (globalize_decl): Fix indentation.
10934 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10937 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
10938 pass_fre, pass_store_ccp, pass_copy_prop,
10939 pass_store_copy_prop, pass_merge_phi, pass_nrv,
10940 pass_return_slot, pass_object_size, pass_lim,
10941 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
10942 pass_loop_prefetch and pass_stdarg.
10944 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
10946 * config/bfin/bfin.opt (mfdpic): New option.
10947 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
10948 (EXTRA_MULTILIB_PARTS): Likewise.
10949 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
10950 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
10952 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
10953 (CRT_CALL_STATIC_FUNCTION): New.
10954 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
10956 (CRT_CALL_STATIC_FUNCTION): New.
10957 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
10959 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
10960 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
10961 (initialize_trampoline): Changed to handle FD-PIC code generation.
10962 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
10963 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
10964 (override_options): Disallow -mid-shared-library -mfdpic combination.
10965 Can't do unaligned ops if FD-PIC.
10966 Turn off flag_pic if trying to generate non-id-shared-library
10967 non-fdpic code, since it's not supported.
10968 (bfin_assemble_integer): New function.
10969 (TARGET_ASM_INTEGER): Define.
10970 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
10972 * config/bfin/crtn.s: Restore them.
10973 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
10975 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
10976 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
10977 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
10978 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
10979 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
10981 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
10982 FDPIC_REGS and FDPIC_FPTR_REGS.
10983 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
10984 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
10985 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
10986 (load_funcdescsi): New pattern.
10987 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
10988 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
10989 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
10991 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10993 * gcse.c, rtlanal.c: Remove obsolete comments associated with
10996 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
10998 * tree-flow.h: Remove the prototype for add_type_alias.
10999 * tree-ssa-alias.c (add_type_alias): Remove.
11001 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11003 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11004 config/fr30/fr30.md, config/i386/i386-interix.h,
11005 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11006 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11007 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11008 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11009 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11010 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11011 Follow spelling conventions.
11012 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11013 Follow spelling conventions.
11015 2006-05-27 Richard Guenther <rguenther@suse.de>
11017 PR middle-end/27773
11018 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11019 to produce a constant of value 1 of generic type.
11021 2006-05-27 Dirk Mueller <dmueller@suse.de>
11023 * cgraphunit.c (decide_is_function_needed): Fix wrong
11026 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11028 PR rtl-optimization/27661
11029 * reload.c (find_reloads): When reloading a VOIDmode constant
11030 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11031 use Pmode as mode of the reload register.
11033 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11035 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11036 is enabled at -O and above.
11038 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11041 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11044 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11047 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11048 for anonymous variables explicitly declared by front ends.
11050 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11052 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11053 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11054 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11055 ref-all pointers, run a finalization pass for them.
11056 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11057 (finalize_ref_all_pointers): New function.
11058 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11059 regular pointer type to a ref-all pointer type.
11060 (get_tmt_for): Return the special memory tag for ref-all pointers.
11062 2006-05-25 Richard Guenther <rguenther@suse.de>
11064 PR middle-end/27743
11065 * fold-const.c (fold_binary): Do not look at the stripped
11066 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11068 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11070 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11071 for LT and GT if the computed range is effectively empty.
11073 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11076 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11077 mips_quad_format formats instead of ieee_single_format,
11078 ieee_double_format and ieee_quad_format formats, respectively.
11080 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11082 PR tree-optimization/27639
11083 PR tree-optimization/26719
11084 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11085 call to scev_probably_wraps_p.
11086 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11087 used_in_pointer_arithmetic_p, convert_step): Removed.
11088 (nowrap_type_p): New function.
11089 (scev_probably_wraps_p): Rewritten.
11090 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11091 chrec_convert if chrec_convert_aggressive might have been used.
11092 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11093 scev_direction): New functions.
11094 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11095 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11096 instead of convert_step.
11097 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11098 (convert_step): Declaration removed.
11099 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11101 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11103 * df-core.c: Added to header comments.
11104 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11105 df_ur_bb_info, df_urec_bb_info): Added comments.
11106 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11107 urec, ri problems): Fixed header comments.
11108 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11109 code from df_rd_transfer_function.
11111 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11113 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11114 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11115 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11117 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11119 * expr.c (undefined_operand_subword_p): New.
11120 (emit_move_multi_word): Do not generate move from undefined bits
11121 of a paradoxical subreg.
11123 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11125 PR rtl-optimization/27736
11126 * combine.c (replaced_rhs_value): New variable.
11127 (combine_instructions): Set it.
11128 (distribute_notes): When distributing a note in replaced_rhs_insn,
11129 check whether the value was used in replaced_rhs_value.
11131 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11134 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11135 add_referenced_var instead of add_referenced_tmp_var.
11136 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11137 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11138 add_referenced_var.
11139 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11140 tree_optimize_tail_calls_1): Use add_referenced_var.
11141 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11142 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11143 Use add_referenced_var.
11144 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11145 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11146 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11147 Use add_referenced_var.
11148 * tree-dfa.c (struct walk_state): Remove.
11149 (find_referenced_vars): Remove walk state and vars_found hash table.
11150 (make_rename_temp): Use add_referenced_var.
11151 (find_vars_r): Pass less parameters to add_referenced_var.
11152 (referenced_var_p): New. Is var in referenced_var hash table.
11153 (referenced_var_insert): Assert var isn't already in hash table.
11154 (add_referenced_var): Don't need walk_state parameter. Add var if it
11155 isn't already in the hash table.
11156 (add_referenced_tmp_var): Remove.
11157 (find_new_referenced_vars_1): Use add_referenced_var.
11158 * tree-ssa-pre.c (create_expression_by_pieces,
11159 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11160 Use add_referenced_var.
11161 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11162 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11163 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11164 add_referenced_var.
11165 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11166 vect_create_data_ref_ptr, vect_create_destination_var,
11167 vect_init_vector, vect_build_loop_niters,
11168 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11169 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11170 Use add_referenced_var.
11171 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11172 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11173 (add_referenced_var): Add prototype.
11174 * tree-ssa-structalias.c (get_constraint_for,
11175 intra_create_variable_infos): Use add_referenced_var.
11177 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11179 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11180 big-endian paradoxical subregs.
11181 * var-tracking.c (struct micro_operation_def): Document that,
11182 for modify micro operations, insn is the subsequent instruction.
11183 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11184 (var_reg_set, var_mem_set): ... new functions.
11185 (add_stores): Record subsequent insn.
11186 (compute_bb_dataflow): Use new functions for MO_USE.
11187 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11188 notes after the insn, and modify notes before the insn known
11189 to be the subsequent one.
11190 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11192 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11195 * config/i386/i386.c (ix86_expand_builtin): Use
11196 gen_sse3_monitor64 for TARGET_64BIT.
11198 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11200 PR rtl-optimization/26375
11201 PR rtl-optimization/26855
11202 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11204 (df_ru_bb_local_compute): Reversed statements and removed bogus
11205 comment explaining why they should be in wrong order.
11206 (df_ru_dump, df_rd_dump): Enhanced debug info.
11207 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11209 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11210 reaching uses and fixed space problem.
11212 2006-05-23 Jan Hubicka <jh@suse.cz>
11214 * cgraphunit.c (decide_is_function_needed): Also nested functions
11215 and functions declared inline can be optimized out at -O0.
11217 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11219 * doc/install.texi (Configuration): Remove reference to CrossGCC
11220 FAQ which was gone.
11223 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11226 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11227 ix86_compare_emitted is non-NULL.
11229 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11232 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11235 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11237 PR rtl-optimization/25514
11238 * combine.c (replaced_rhs_insn): New variable.
11239 (combine_instructions): Set replaced_rhs_insn when trying to replace
11240 a SET_SRC with a REG_EQUAL note.
11241 (distribute_notes): Use replaced_rhs_insn when determining the live
11242 range of a REG_DEAD register.
11244 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11245 Anatoly Sokolov <aesok@post.ru>
11247 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11248 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11249 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11250 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11251 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11252 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11253 at90usb647, at90usb1286 and at90usb1287 devices.
11254 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11255 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11257 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11259 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11261 2006-05-22 Richard Guenther <rguenther@suse.de>
11264 2006-01-31 Richard Guenther <rguenther@suse.de>
11265 Paolo Bonzini <bonzini@gnu.org>
11267 * doc/install.texi (--disable-libgcc-math): Document.
11269 2006-05-22 Richard Guenther <rguenther@suse.de>
11272 2006-01-31 Richard Guenther <rguenther@suse.de>
11274 * doc/invoke.texi (-msselibm): Document.
11275 * target.h (expand_library_builtin): New target hook.
11276 * builtins.c (expand_builtin): Use expand_library_builtin.
11277 (default_expand_library_builtin): New function.
11278 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11279 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11280 (link_gcc_math_spec): Declare.
11281 (static_specs): Add link_gcc_math_spec.
11282 * expr.h (default_expand_library_builtin): Declare.
11283 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11284 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11285 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11286 * config/i386/i386.opt (msselibm): New target option.
11287 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11288 (ix86_init_sse_abi_builtins): New function.
11289 (ix86_expand_library_builtin): Likewise.
11290 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11291 (override_options): Handle error conditions wrt -msselibm.
11292 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11293 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11294 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11297 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11300 * c-common.c (self_promoting_args_p): Skip erroneous args.
11303 * c-decl.c (finish_struct): Skip erroneous fields.
11305 2006-05-22 Nick Clifton <nickc@redhat.com>
11307 * config/cris/cris.opt (march): Remove VarExists attribute.
11308 (max-stackframe=): Likewise.
11310 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11312 * doc/rtl.texi: Fix a typo.
11313 * see.c: Fix comment typos.
11315 * tree-ssa-structalias.h (alias_info): Remove num_references.
11317 2006-05-21 Mike Stump <mrs@apple.com>
11319 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11321 (darwin_pragma_options): Use BAD instead.
11322 (darwin_pragma_unused): Likewise.
11323 (darwin_pragma_ms_struct): Likewise.
11325 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11327 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11329 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11331 PR rtl-optimization/27671
11332 * simplify-rtx.c (simplify_relational_operation_1): Fix
11333 simplifications of (eq/ne (xor x y) y) and
11334 (eq/ne (xor x y) x).
11336 PR tree-optimization/26622.
11337 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11340 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11342 * tree-cfg.c: Prune whitespace.
11343 (debug_tree_cfg): Point to correct header containing the
11346 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11348 PR middle-end/25776
11349 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11351 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11353 PR middle-end/25776
11354 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11355 or sorry count is non zero.
11357 2006-05-20 Andreas Schwab <schwab@suse.de>
11359 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11361 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11362 Kenneth Zadeck <zadeck@naturalbridge.com>
11364 PR rtl-optimization/26855
11366 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11368 (df_scan_alloc): Added code to properly handle multiword hard
11369 registers and add all_blocks parameter.
11370 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11371 code to properly handle multiword hard registers.
11372 (df_rescan_blocks): Added code to remove deleted blocks from
11374 (df_ref_create_structure, df_ref_record): Added code to properly
11376 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11377 and set DF_REF_PARTIAL.
11378 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11379 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11380 (df_scan_add_problem): Added flags parameter.
11381 (df_ref_create_structure): Changed switching structure.
11382 (df_bb_refs_record): Fixed case where duplicate artificial refs
11383 were created. Changed location of flags.
11384 (df_record_entry_block_defs): Added code to make stack pointer
11385 live in entry block. Refined cases where frame pointer is needed.
11386 Changed location of flags.
11387 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11388 (df_set_state): Removed function.
11389 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11390 df_insn_create_insn_record, df_insn_refs_delete,
11391 df_ref_create_structure): Formatting changes.
11392 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11393 df_delete_basic_block): New function.
11394 (df_init): Changed location of flags.
11395 (df_add_problem): Added flags parameter and the way flags are
11397 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11398 debug_df_chain): Improved debugging output.
11399 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11400 (df_refs_chain_dump): Removed df parameter.
11401 (df_iterative_dataflow): Added consistency check.
11402 (df_prune_to_subcfg): Made public.
11403 (df_analyze_problem): Added blocks_to_init parameter and made
11405 (df_ref_record, df_bb_refs_record, df_mark_reg,
11406 df_record_exit_block_uses): Whitespace changes.
11407 (df_dump): Whitespace changes.
11408 * df.h: Some reordering to remove forward references.
11409 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11410 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11411 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11412 (dataflow.flags): New field.
11413 (df.flag): Deleted field.
11414 (df_alloc_function): Added additional bitmap parameter.
11415 (df_dependent_problem_function): New type.
11416 (df_problem.changeable_flags): New field.
11417 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11418 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11419 (df_mw_hardreg): New struct.
11420 (DF_INSN_UID_MWS): New macro.
11421 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11423 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11424 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11425 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11426 (df_set_state): Removed function.
11427 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11428 * df-problems.c (df_chain_dump): Removed df parameter.
11429 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11430 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
11432 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
11433 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
11434 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
11435 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
11436 DF_REF_MUST_CLOBBER cases.
11437 (df_ru_bb_local_compute_process_def,
11438 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
11439 df_lr_bb_local_compute, df_ur_bb_local_compute,
11440 df_chain_create_bb): Made subreg aware.
11441 (df_ru_bb_local_compute, df_rd_bb_local_compute,
11442 df_lr_bb_local_compute, df_lr_bb_local_compute,
11443 df_chain_create_bb): Cleanup to use proper macros.
11444 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
11445 code to fixup bitvectors.
11446 (df_ri_alloc): Cleared lifetime.
11447 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
11448 df_create_unused_note): New function.
11449 (df_ri_bb_compute, df_ri_compute): Added code to create/update
11450 REG_DEAD and REG_UNUSED notes as well as register information.
11451 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
11452 df_chains_dump): Fixed crash if problem was never run.
11453 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
11454 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
11455 df_ri_add_problem): Processes flags in uniform manner.
11456 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
11457 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
11458 df_rd_dump, df_urec_free_bb_info): Formatting changes.
11459 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
11460 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
11461 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
11462 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
11463 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
11464 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
11465 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
11466 * see.c (see_initialize_data): Ditto.
11467 * final.c (rest_of_clean_state) Added regstack_completed.
11468 * rtl.h (regstack_completed): Ditto.
11469 * reg-stack.c (regstack_completed): Ditto.
11471 2006-05-19 Mike Stump <mrs@apple.com>
11473 * c-tree.h (default_conversion): Remove.
11474 * c-common.h (default_conversion): Add.
11476 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
11478 * tree-vrp.c (valid_value_p): New function.
11479 (adjust_range_with_scev): Fail if the value of bound is not
11482 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11484 * config/mips/linux-unwind.h: Include <asm/unistd.h>
11485 (mips_fallback_frame_state): Use syscall numbers to determine
11486 the appropriate li instruction for the current ABI. Only use
11487 __NR_sigreturn for o32.
11489 2006-05-19 Nicolas Setton <setton@adacore.com>
11491 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
11492 * langhooks.c (lhd_dwarf_name): New function.
11493 * langhooks-def.h (lhd_dwarf_name): Declare.
11494 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
11495 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
11497 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11499 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
11501 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
11502 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
11503 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
11504 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
11505 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
11506 determine the size of Wtype, etc.
11507 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
11508 (swfloatfuncs): New variable.
11509 (dwfloatfuncs): Likewise.
11510 (lib2funcs): Remove floating-point conversion functions from
11511 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
11512 the set of conversion routines needed. Allow entries to specify
11513 an object name, filename and word size. Update users accordingly.
11514 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
11515 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
11519 2006-02-08 Roger Sayle <roger@eyesopen.com>
11522 * config/fixtfdi.c: New libgcc source file.
11523 * config/fixunstfdi.c: New source file.
11524 * config/floatditf.c: New source file.
11525 * config/floatunditf.c: New souce file.
11526 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11527 files above instead of config/mips/_tilib.c.
11528 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11530 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11532 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
11533 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
11535 2006-05-18 Mike Stump <mrs@apple.com>
11537 Fix up vla, vm and [*] sematics.
11543 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11544 (c_vla_unspec_p): Add.
11545 (c_vla_type_p): Add.
11546 * c-decl.c (struct c_scope): Add had_vla_unspec.
11547 (build_array_declarator): Add support for [*].
11548 (grokdeclarator): Likewise.
11549 (grokparms): Likewise.
11550 (get_parm_info): Likewise.
11551 * c-objc-common.c (c_vla_unspec_p): Likewise.
11552 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
11553 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
11554 typeof when argument is a variably modified type not inside sizeof or alignof.
11555 (c_parser_direct_declarator_inner): Propagate errors.
11556 (c_parser_sizeof_expression): Add support for [*].
11557 (c_parser_parms_declarator): Initialize had_vla_unspec.
11558 (c_parser_parms_list_declarator): Likewise.
11559 * c-typeck.c (c_vla_type_p): Add.
11560 (composite_type): Add support for vla compositing.
11561 (comptypes_internal): Add support for vla compatibility.
11562 (c_expr_sizeof_expr): Evaluate vla arguments.
11563 * tree.c (variably_modified_type_p): Update comment for [*].
11565 2006-05-18 Michael Matz <matz@suse.de>
11568 * config.host: Make assignments to host_xmake_file cumulative.
11569 * config.host (*-darwin*): Test $host, not $target.
11571 2006-05-12 Stuart Hastings <stuart@apple.com>
11573 * config/i386/i386.opt (-mstackrealign): New flag.
11574 * config/i386/i386.c (force_align_arg_pointer): New attribute.
11575 (ix86_handle_cconv_attribute): Emit error when
11576 force_align_arg_pointer attribute collides with too many regparms.
11577 (ix86_function_regparm): Limit regparms when used with
11578 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
11579 Support stack-realigning prologue in non-main functions. Emit
11580 warning for nested functions under -mstackrealign, emit error for
11581 nested functions with force_align_arg_pointer attribute.
11582 * doc/extend.texi (force_align_arg_pointer): Document it.
11583 * doc/invoke.texi (-mstackrealign): Document it.
11585 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
11587 PR rtl-optimization/27477
11588 * combine.c (try_combine): Don't split a parallel consisting
11589 of two sets into two individual sets if both sets reference
11592 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
11594 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
11595 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
11597 * doc/options.texi (VarExists): Updated.
11599 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11601 * unwind-dw2.c: Add declarations for uw_update_context and
11602 uw_frame_state_for.
11603 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
11604 detected, advance frame state and context once to skip over stub.
11606 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11608 PR middle-end/20256
11609 PR middle-end/26435
11610 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
11611 Call rewrite_into_loop_closed_ssa only when something changed.
11612 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
11613 * lambda-code.c (can_convert_to_perfect_nest): Declared.
11614 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
11615 Test for perfect_nest_p here. Fix formating.
11616 (replace_uses_equiv_to_x_with_y): Fix formating.
11617 (stmt_uses_op): Removed.
11618 (can_convert_to_perfect_nest): Removed loopivs parameter.
11619 Complete the test by checking the scalar dependences.
11620 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
11623 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11626 From Dan Kegel <dank@kegel.com>:
11627 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
11629 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
11631 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
11632 if the element type is variably modified without recursing.
11634 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11636 PR middle-end/27332
11637 * tree-loop-linear.c (try_interchange_loops): Test for
11638 no data dependences.
11640 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
11642 PR tree-optimization/27548
11643 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
11644 range of ssa names that appear on abnormal edges.
11645 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
11646 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
11648 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11650 PR middle-end/27620
11651 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
11653 2006-05-17 Jakub Jelinek <jakub@redhat.com>
11655 PR middle-end/27415
11656 * tree.h (OMP_PARALLEL_COMBINED): Define.
11657 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
11658 (new_omp_context): Add is_combined_parallel argument.
11659 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
11660 new_omp_context caller.
11661 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
11662 Adjust gimplify_scan_omp_clauses callers.
11663 (omp_is_private): Issue errors if iteration variable is firstprivate
11664 or reduction in the current context.
11665 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
11666 on combined parallel workshare constructs.
11668 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11670 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
11671 (gcc-options.o): New rule.
11673 * optc-gen.awk: Protect variables for gcc-options.o with
11674 #ifdef GCC_DRIVER/#endif.
11676 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
11678 Fix PR tree-optimization/27373
11679 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
11680 (forward_propagate_addr_expr): Update call.
11682 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11684 * doc/options.texi: Move the Negative option.
11686 2006-05-16 Richard Guenther <rguenther@suse.de>
11688 PR tree-optimization/22303
11689 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
11691 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
11692 ccp_fold did not simplify the statement.
11694 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11697 * Makefile.in (GCC_OBJS): New.
11698 (OBJS-common): Add opts-common.o.
11699 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
11700 (cpp$(exeext)): Likewise.
11701 (gcc.o): Also depend on opts.h.
11702 (opts-common.o): New.
11704 * common.opt (gcoff): Add Negative(gdwarf-2).
11705 (gdwarf-2): Add Negative(gstabs).
11706 (gstabs): Add Negative(gstabs+).
11707 (gstabs+): Add Negative(gvms).
11708 (gvms): Add Negative(gxcoff).
11709 (gxcoff): Add Negative(gxcoff+).
11710 (gxcoff+): Add Negative(gcoff).
11711 * config/i386/i386.opt (m32): Add Negative(m64).
11712 (m64): Add Negative(m32).
11714 * doc/options.texi: Document the Negative option.
11716 * gcc.c: Include "opts.h".
11717 (main): Call prune_options after expandargv.
11719 * optc-gen.awk: Generate common declarations for all flag
11720 variables in options.c. Output the neg_index field.
11722 * opts.c (find_opt): Moved to ...
11723 * opts-common.c: Here. New file.
11725 * opts.h (cl_option): Add a neg_index field.
11727 (prune_options): Likewise.
11729 2006-05-16 Jakub Jelinek <jakub@redhat.com>
11731 PR middle-end/27573
11732 * omp-low.c (expand_omp_parallel): Don't assert
11733 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
11734 instead search for it.
11737 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
11740 2006-05-16 Andreas Schwab <schwab@suse.de>
11742 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
11745 2006-05-15 Roger Sayle <roger@eyesopen.com>
11748 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
11749 integer constants other than zero are only legitimate on TARGET_64BIT.
11750 <CONST_VECTOR> Only zero vectors are legitimate.
11751 (ix86_cannot_force_const_mem): Integral and vector constants can
11752 always be put in the constant pool.
11754 2006-05-16 DJ Delorie <dj@redhat.com>
11756 * crtstuff.c (__dso_handle): Set section from
11757 TARGET_LBIGCC_SDATA_SECTION if defined.
11758 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
11759 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
11761 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
11764 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
11767 2006-05-16 Ben Elliston <bje@au.ibm.com>
11769 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
11771 2006-05-15 Per Bothner <per@bothner.com>
11773 * tree.c: (last_annotated_node): Use source_locus typedef.
11774 This permits bootstrapping with --enable-mapped-location.
11776 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
11778 PR tree-optimization/26830
11779 * tree-into-ssa.c (struct ssa_name_info): Add age field.
11780 (info_for_ssa_name, current_info_for_ssa_name_age,
11781 blocks_to_update): New variables.
11782 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
11783 (clear_ssa_name_info, initialize_flags_in_bb,
11784 mark_block_for_update): New functions.
11785 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
11786 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
11787 prepare_def_site_for): Use mark_block_for_update.
11788 (mark_def_interesting): Assert that the processed block is marked in
11789 blocks_to_update. Do not take blocks argument.
11790 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
11792 (rewrite_update_init_block, rewrite_update_stmt): Only process
11793 blocks with statements to rewrite.
11794 (delete_update_ssa): Do not clear SSA_NAME_AUX.
11795 (update_ssa): Initialize and free blocks_to_update. Do not
11796 clear flags on statements. Do not use blocks bitmap.
11797 * tree.h (SSA_NAME_AUX): Removed.
11798 (struct tree_ssa_name): Removed aux field.
11799 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
11801 2006-05-15 Richard Guenther <rguenther@suse.de>
11803 PR tree-optimization/27603
11804 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
11805 Do computations in original type.
11807 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
11809 * see.c: Code style changes such as redundant paranthesis,
11810 redundant intialization of local variables etc.
11811 (see_main): Declared now as static.
11812 * doc/invoke.texi: Update that -fsee is not enabled by
11815 2006-05-15 Jakub Jelinek <jakub@redhat.com>
11817 * omp-low.c (check_omp_nesting_restrictions): New function.
11818 (scan_omp_1): Call it.
11820 PR middle-end/27416
11821 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
11822 construct, return *VAR.
11824 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
11826 PR rtl-optimization/27406
11827 * bt-load.c (migrate_btr_def): Skip the block having abnormal
11830 2006-05-14 Roger Sayle <roger@eyesopen.com>
11832 PR rtl-optimization/27538
11833 * combine.c (expand_compound_operation): Call gen_lowpart
11834 before calling simplify_shift_const.
11836 2006-05-14 Roger Sayle <roger@eyesopen.com>
11838 PR rtl-optimization/22563
11839 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
11840 a fixed width bitfield, always force the intermediates into psuedos.
11842 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
11845 * mkconfig.sh: Use operator = instead of == for test.
11847 2006-05-13 Nick Clifton <nickc@redhat.com>
11849 * dwarf2out.c (dbx_reg_number): Check return value from
11850 LEAF_REG_REMAP and only use it if it is valid.
11851 (multiple_reg_loc_descriptor): Likewise.
11853 2006-05-13 Richard Guenther <rguenther@suse.de>
11855 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
11858 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
11860 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
11861 information attached to non-INSNs such as NOTEs.
11862 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
11864 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
11866 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
11868 * config/s390/s390.md: Adjust comment describing On constraint.
11870 2006-05-11 Jan Hubicka <jh@suse.cz>
11872 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
11873 to be output at -O0.
11875 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11877 PR middle-end/27384
11878 * fold-const.c (size_binop): Move sanity check for arguments to
11879 the beginning of the function.
11881 PR middle-end/27488
11882 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
11885 2006-05-11 Richard Guenther <rguenther@suse.de>
11887 PR middle-end/27529
11888 * fold-const.c (fold_unary): Handle intermediate conversion
11889 to a pointer type like intermediate conversion to an integer
11890 type in folding of (T1)(T2)var to var.
11891 Match the code to the comment in the final conversion for
11892 (T1)(T2)var to (T1)var regarding to type precision. Rather
11893 than disallow T1 being of pointer type, assert that both T1
11894 and var are of pointer type or not. Make sure not to fall
11895 over the frontends lazyness wrt array to pointer decay though.
11897 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
11899 * arm.c (arm_struct_value_rtx): Delete.
11900 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
11901 (arm_init_cumulative_args): Always initialize nregs to zero.
11903 2006-05-10 Richard Guenther <rguenther@suse.de>
11905 PR tree-optimization/27532
11906 * tree-object-size.c (plus_expr_object_size): Fix typo.
11908 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
11911 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
11912 ashrdi_const, ashrdi3): Use a scratch register.
11914 2006-05-10 Richard Guenther <rguenther@suse.de>
11916 PR tree-optimization/27302
11917 * fold-const.c (operand_equal_p): For two comparisons,
11918 try comparison of one comparison code swapped if that yields
11921 2006-05-10 Ben Elliston <bje@au.ibm.com>
11923 * tree-pretty-print.c (pretty_print_string): No need to handle
11924 '\0' as a special character.
11926 * tree.h: Include "hashtab.h".
11927 (iterative_hash_expr): Use hashval_t in its prototype.
11928 * Makefile.in (TREE_H): Add $(HASHTAB_H).
11930 2006-05-09 Steve Ellcey <sje@cup.hp.com>
11933 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
11934 (hppa*64*-*-hpux11*): Ditto.
11935 (hppa[12]*-*-hpux11*): Ditto.
11937 2006-05-09 David Edelsohn <edelsohn@gnu.org>
11940 * config/rs6000/aix41.h (TARGET_64BIT): Define.
11942 2006-05-09 Michael Matz <matz@suse.de>
11944 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
11945 host_extra_gcc_objs and host_xmake_file.
11946 (<*-*-linux*>): Don't overwrite host_xmake_file.
11947 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
11948 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
11949 (host_detect_local_cpu): Declare.
11950 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
11951 * config/i386/i386.c (override_options): Handle -mtune=native
11953 * config/i386/x-i386: New file.
11954 * config/i386/driver-i386.c: New file.
11955 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
11958 2006-05-09 Dirk Mueller <dmueller@suse.de>
11959 Richard Guenther <rguenther@suse.de>
11961 PR middle-end/27498
11962 * fold-const.c (fold_read_from_constant_string): Relax check
11963 for matching types to matching modes.
11965 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
11967 PR rtl-optimization/27335
11968 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
11971 2006-05-08 Chao-ying Fu <fu@mips.com>
11972 Richard Sandiford <richard@codesourcery.com>
11974 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
11975 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
11976 * config/mips/mips.md (UNSPEC_SCC): New constant.
11977 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
11978 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
11979 (mips_emit_compare): Use it.
11980 (mips_expand_vcondv2sf): New function.
11982 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
11984 Fix PR tree-optimization/27093
11985 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
11986 renaming when they become not-used_alone.
11988 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11990 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
11991 relocation and relocation stubs.
11993 2006-05-08 Eric Christopher <echristo@apple.com>
11995 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
11998 2006-05-08 Jan Hubicka <jh@suse.cz>
12000 PR middle-end/24561
12001 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12002 unused static functions are needed.
12004 2006-05-08 Roger Sayle <roger@eyesopen.com>
12007 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12008 of a reg_equiv_constant if the result is a legitimate constant.
12010 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12013 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12014 standard 80387 constants, raise the cost to prevent
12015 compress_float_constant() to generate load from memory.
12017 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12019 * config/arm/constraints.md (c): Fix a typo.
12021 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12024 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12027 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12029 (_mm_mwait): Likewise.
12031 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12033 (sse3_monitor): Make it 32bit only.
12034 (sse3_monitor64): New. 64bit monitor.
12036 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12039 * config/i386/i386.c (classify_argument): Skip fields with invalid
12042 2006-05-07 Richard Guenther <rguenther@suse.de>
12044 PR tree-optimization/27409
12045 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12046 Do not try to find zero-sized subvars.
12048 2006-05-07 Richard Guenther <rguenther@suse.de>
12050 PR tree-optimization/27136
12051 * tree-ssa-loop-niter.c (get_val_for): Correct function
12052 comment, assert requirements.
12053 (loop_niter_by_eval): Stop processing if the iterated
12054 value did not simplify.
12056 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12058 * opts.c (flag_see): remove its setting at -O3.
12060 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12062 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12063 * arm/constraints.md: New file.
12064 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12065 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12066 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12067 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12068 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12069 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12070 * arm.md: Include constraints.md.
12071 (thumb_movsi_insn): Use satisfies_constraint_J.
12072 (movhi, movqi): Use satisfies_constraint_I.
12074 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12076 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12077 for atmeg a645 device.
12079 2006-05-06 Richard Guenther <rguenther@suse.de>
12081 PR tree-optimization/27151
12082 * tree-vect-transform.c (vectorizable_condition): Punt on
12083 values that have a different type than the condition.
12085 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12088 * c-parser.c (c_parser_cast_expression): Only insert casts into
12089 hash table if pointer.
12090 * function.c (used_types_insert_helper): Rename from
12092 (used_types_insert): Call used_types_insert_helper.
12093 * function.h (used_types_insert): Accept only one argument.
12095 2006-05-05 David Edelsohn <edesohn@gnu.org>
12097 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12098 scratch with output modifier.
12100 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12103 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12104 with output modifier.
12106 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12109 * config/mips/mips.c (mips_symbolic_address_p): Return true
12110 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12111 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12113 2006-05-04 Richard Guenther <rguenther@suse.de>
12115 PR tree-optimization/14287
12116 PR tree-optimization/14844
12117 PR tree-optimization/19792
12118 PR tree-optimization/21608
12119 PR tree-optimization/27090
12120 * tree-ssa-pre.c (try_combine_conversion): New function.
12121 (compute_avail): After constructing the value-handle
12122 expression, use try_combine_conversion to combine NOP_EXPRs
12123 with previous value-handle expressions and use the result if it
12126 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12128 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12130 2006-05-04 Jan Hubicka <jh@suse.cz>
12132 PR middle-end/25962
12133 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12135 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12137 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12138 that this only matches CONST_INTs. All users changed to VOIDmode
12141 * config/bfin/bfin.c: Include "optabs.h".
12142 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12144 (enum bfin_builtins): Add a number of fractional and vector builtins.
12145 (bfin_init_builtins): Likewise.
12146 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12147 (safe_vector_operand, bfin_expand_binop_builtin,
12148 bfin_expand_unop_builtin): New functions.
12149 (bfin_expand_builtin): Handle the new builtins.
12150 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12153 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12156 * Makefile.in (OBJS-common): Add see.o.
12157 (see.o): Add dependencies.
12158 * common.opt (fsee): New flag for the see optimization was added.
12159 * opts.c (flag_see): Initialized.
12160 * passes.c (init_optimization_passes, pass_see): New pass.
12161 * rtl.h (see_main): Declaration as extern.
12162 * timevar.def (TV_SEE): New.
12163 * tree-pass.h (pass_see): Declaration as extern.
12164 * invoke.texi (-fsee): Document.
12165 * recog.c (validate_simplify_insn): New function.
12166 * recog.h (validate_simplify_insn): Declaration as extern.
12167 * df-problems.c (df_chain_dump): Check for NULL.
12169 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12170 Daniel Berlin <dberlin@dberlin.org>
12172 * cfgrtl.c (insert_insn_bb_end_new): New function.
12173 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12175 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12177 * df.h (struct web_entry): Moved from web.c.
12178 (union_defs): Declaration as extern.
12179 (unionfind_root): Likewise.
12180 (unionfind_union): Likewise.
12181 * web.c (struct web_entry): Moved to df.h.
12182 (unionfind_root): Remove static declaration.
12183 (unionfind_union): Likewise.
12184 (union_defs): Likewise and generalize to use callback function.
12185 (web_main): Update arguments for union_defs function call.
12187 2006-05-04 Richard Guenther <rguenther@suse.de>
12189 PR tree-optimization/26447
12190 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12191 produce SSA_NAME copies before the store stmt to avoid
12192 breaking exception handling.
12194 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12196 PR middle-end/27388
12197 * gimplify.c (omp_is_private): If var is shared in some outer context,
12198 return false instead of true. Stop searching on parallel context
12201 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12204 * coverage.c: Use get_gcov_unsigned_t() instead of
12205 unsigned_type_node all over.
12207 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12209 PR tree-optimization/27381
12210 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12211 maintain the same immediate_use links.
12212 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12213 node rather than segfaulting.
12215 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12218 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12219 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12220 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12222 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12224 Fix PR tree-optimization/26626
12225 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12227 * tree-ssa-operands.c (access_can_touch_variable): Allow
12228 typecasting through union pointers.
12230 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12233 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12234 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12235 to find if var will be a global variable even in the nested context.
12236 (omp_copy_decl): Only check for global variable at the end, it might
12237 be overridden in outer contexts.
12238 (scan_sharing_clauses): For global variables don't create a field.
12239 (lower_rec_input_clauses): Do nothing for global shared variables.
12240 Emit a barrier at the end of ILIST if there were any decls in both
12241 firstprivate and lastprivate clauses.
12242 (lower_send_clauses): Do nothing for global variables except for
12245 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12247 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12248 of the correct signedness is returned.
12250 2006-05-02 Jeff Law <law@redhat.com>
12252 PR tree-optimization/27364
12253 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12254 multiply expressions.
12256 2006-05-02 Tom Tromey <tromey@redhat.com>
12258 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12260 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12263 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12264 -mthumb -fPIC are used.
12266 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12267 Joshua Kinard <kumba@gentoo.org>
12270 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12271 with 64-bit pointers.
12273 2006-05-02 Paul Brook <paul@codesourcery.com>
12275 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12277 (create_fix_barrier): Check that a suitable barrier location is
12279 (arm_reorg): Include ftmp->address in allowable range of addresses.
12281 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12284 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12287 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12289 PR middle-end/27337
12290 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12291 around RESULT_DECL for result passed by reference.
12292 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12293 * omp-low.c (use_pointer_for_field): Don't look at
12294 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12295 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12296 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12297 time or var for passing by reference for
12298 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12299 TREE_ADDRESSABLE variables when passing by reference.
12301 * omp-low.c (dump_omp_region): Fix output formatting.
12303 PR middle-end/27328
12304 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12305 (expand_omp_parallel): Likewise.
12306 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12308 PR middle-end/27325
12309 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12310 on statement list containing also constructors and destructors.
12311 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12313 PR middle-end/27310
12314 * except.c (duplicate_eh_regions): Fix clearing of
12315 cfun->eh->region_array entries.
12317 2006-05-01 DJ Delorie <dj@redhat.com>
12319 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12321 (gcc_cv_objdump): Likewise.
12322 * configure: Regenerated.
12324 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12327 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12328 templates for case 3 and 4.
12330 2006-05-01 DJ Delorie <dj@redhat.com>
12332 * vec.c: Include bconfig.h when appropriate.
12333 * Makefile.in (build/vec.o): Adjust dependencies.
12334 * mkconfig.sh: Make sure config.h isn't used for build machine
12337 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12339 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12341 (mark_phi_for_rewrite): New function.
12342 (insert_phi_nodes_for, mark_use_interesting): Call
12343 mark_phi_for_rewrite.
12344 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12345 (update_ssa): Initialize and free phis_to_rewrite.
12347 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12349 PR rtl-optimization/27291
12350 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12351 folded to a constant.
12353 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12355 PR tree-optimization/27283
12356 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12357 not whole # of iteration descriptions.
12358 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12359 uses abnormal ssa name.
12360 (niter_for_single_dom_exit): Ditto.
12361 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12362 return just the number of iterations.
12364 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12366 PR tree-optimization/27144
12367 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12368 (record_estimate): Only record constant upper bound.
12369 (infer_loop_bounds_from_undefined): Call
12370 compute_estimated_nb_iterations just once.
12371 (proved_non_wrapping_p): Renamed to ...
12372 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12373 (convert_step_widening, scev_probably_wraps_p): Call
12374 n_of_executions_at_most instead of proved_non_wrapping_p.
12375 (substitute_in_loop_info): Do not replace values in bounds.
12376 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12379 2006-05-01 Richard Henderson <rth@redhat.com>
12382 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12383 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12386 2006-05-01 Roger Sayle <roger@eyesopen.com>
12388 * c-typeck.c (parser_build_binary_op): Don't call the function
12389 unsigned_conversion_warning to spot operand/result type overflow.
12390 (build_binary_op): Instead, call convert_and_check instead of
12391 convert to report the problem when the operands are promoted.
12392 * c-common.c (unsigned_conversion_warning): Make static.
12393 * c-common.h (unsigned_conversion_warning): Delete prototype.
12395 2006-05-01 Richard Guenther <rguenther@suse.de>
12397 PR tree-optimization/26726
12398 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12400 (find_interesting_uses_address): ... we work around here
12401 by folding INDIRECT_REFs in the substituted base.
12403 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12405 * omp-low.c (dump_omp_region): Add newlines.
12407 2006-04-30 Roger Sayle <roger@eyesopen.com>
12409 * common.opt (Woverflow): New command line option.
12410 * c-common.c (constant_expression_warning): Check warn_overflow.
12411 (overflow_waring): Pass OPT_Woverflow to warning.
12412 (unsigned_conversion_warning): Likewise.
12413 (convert_and_check): Likewise.
12414 * doc/invoke.texi: Document new command line option.
12416 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12418 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12419 TARGET_NO_FP_IN_TOC for section anchors.
12420 (optimization_options): Enable section anchors for all
12421 non-"Objective" languages.
12423 2006-04-28 Eric Christopher <echristo@apple.com>
12425 * config/darwin-c.c (darwin_ms_struct): Move this
12426 (darwin_set_default_type_attributes): and this...
12427 * config/darwin.c: ... here.
12428 * config/darwin.h (darwin_ms_struct): Declare.
12430 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
12432 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
12434 2006-04-28 Roger Sayle <roger@eyesopen.com>
12437 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
12438 (push_array_bounds): Delete prototype. Change BOUNDS argument to
12439 an unsigned HOST_WIDE_INT.
12440 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
12442 (really_start_incremental_init): No need to call convert because
12443 bitsize_zero_node is already of type bitsizetype.
12444 (push_init_level): Extract the value of constructor_index as an
12445 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
12446 (process_init_element): Likewise.
12448 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
12450 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
12451 value before passing to make_relative_prefix.
12453 2006-04-28 Alan Modra <amodra@bigpond.net.au>
12455 PR middle-end/27260
12456 * builtins.c (expand_builtin_memset): Expand val in original mode.
12458 2006-04-27 Eric Christopher <echristo@apple.com>
12460 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
12461 with #ifndef/#endif.
12462 * config/darwin-c.c (darwin_ms_struct): New.
12463 (darwin_pragma_ms_struct): Ditto.
12464 (darwin_set_default_type_attributes): Ditto.
12465 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
12466 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
12467 Register ms_struct pragma.
12468 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
12469 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
12470 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
12471 darwin_set_default_type_attributes if TARGET_MACHO.
12473 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
12475 PR tree-optimization/26854
12476 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
12477 * doc/tree-ssa.texi: Update immuse iterator documentation.
12478 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
12479 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
12480 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
12481 first_safe_imm_use, next_safe_imm_use): Remove.
12482 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
12483 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
12484 (move_use_after_head): New. Helper function to sort immuses in a stmt.
12485 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
12486 (first_imm_use_stmt): New. Get first stmt in an immuse list.
12487 (next_imm_use_stmt): New. Get next stmt in an immuse list.
12488 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
12489 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
12490 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
12491 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
12492 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
12493 (perfect_nestify): Use new iterator.
12494 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
12496 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
12497 (next_imm_name): New field in struct immediate_use_iterator_d.
12498 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
12499 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
12500 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
12501 * tree-cfg.c (replace_uses_by): Use new iterator.
12502 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
12503 * tree-ssa-operands.c (correct_use_link): Remove.
12504 (finalize_ssa_use_ops): No longer call correct_use_link.
12506 2006-04-27 Stuart Hastings <stuart@apple.com>
12508 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
12509 * config/t-darwin (crt3.o): Use it.
12510 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
12511 'pmode', use Pmode instead of SImode for SYMBOL_REF.
12512 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
12513 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
12514 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12517 2006-04-27 Roger Sayle <roger@eyesopen.com>
12519 * expmed.c (store_fixed_bit_field): If we're not optimizing for
12520 size, force the intermediate into a new pseudo rather instead of
12521 performing both a bitwise AND and a bitwise IOR in memory.
12523 2006-04-27 Richard Guenther <rguenther@suse.de>
12525 PR rtl-optimization/26685
12526 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
12527 this one "max-flow-memory-locations".
12529 2006-04-27 Richard Guenther <rguenther@suse.de>
12531 PR tree-optimization/25148
12532 * tree-vrp.c (compare_values): Remove code dealing with
12533 comparisons against type min/max value. Honour overflow
12534 and negative constants in code dealing with comparisons
12535 of plus and minus expressions.
12536 (value_inside_range): Use fold_binary with LE_EXPR and
12537 GE_EXPR rather than compare_values.
12539 2006-04-27 Dirk Mueller <dmueller@suse.de>
12541 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
12544 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
12546 * basic-block.h (safe_insert_insn_on_edge): Removed.
12547 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
12549 2006-04-26 David Edelsohn <edelsohn@gnu.org>
12550 Paolo Bonzini <bonzini@gnu.org>
12552 PR middle-end/27282
12553 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12554 (simplify_and_const_int): Same.
12556 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
12558 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
12560 2006-04-26 Jakub Jelinek <jakub@redhat.com>
12563 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12564 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12565 cgraph_global_info_ready.
12567 PR middle-end/26913
12568 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
12571 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
12572 either decl or init is error_mark_node.
12574 PR middle-end/25989
12575 * tree-flow.h (struct omp_region): Add sched_kind.
12576 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
12577 instead of extracting omp for data.
12578 (expand_omp_for): Save extracted sched_kind.
12580 2006-04-25 Roger Sayle <roger@eyesopen.com>
12582 * expmed.c (store_bit_field): Also check whether the bitsize is
12583 valid for the machine's "insv" instruction before moving the
12584 target into a pseudo for use with the insv.
12585 * config/i386/predicates.md (const8_operand): New predicate.
12586 * config/i386/i386.md (extv, extzv, insv): Use the new
12587 const8_operand predicate where appropriate.
12589 2006-04-25 DJ Delorie <dj@redhat.com>
12591 * doc/install.texi (Specific): Clarify that this is not a list of
12592 supported hosts or targets.
12594 2006-04-25 Richard Sandiford <richard@codesourcery.com>
12596 PR rtl-optimization/26725
12597 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
12598 block's BB_DIRTY flag.
12600 2006-04-25 Geoffrey Keating <geoffk@apple.com>
12602 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
12605 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
12606 to print an integer.
12608 2006-04-25 David Edelsohn <edelsohn@gnu.org>
12610 * varasm.c (align_variable): New function.
12611 (get_block_for_decl): Apply align_variable to DECL before
12612 calculating section information.
12613 (assemble_variable): Split out alignment computation.
12615 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
12617 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
12620 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
12622 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
12623 MODE_PARTIAL_INT mode.
12624 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
12625 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
12627 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
12628 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
12630 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
12632 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
12634 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
12635 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
12636 MACFLAG_IH): Likewise.
12637 (movstricthi_1): Renamed from "*movstricthi".
12638 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
12639 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
12640 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
12641 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
12642 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
12643 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
12644 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
12645 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
12646 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
12647 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
12648 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
12649 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
12650 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
12651 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
12652 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
12654 * doc/rtl.texi (ss_ashift): Improve wording.
12656 2006-04-24 Geoffrey Keating <geoffk@apple.com>
12658 * dwarf2out.c (verify_marks_clear): New.
12659 (prune_unused_types): Call verify_marks_clear initially, not
12662 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
12664 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
12665 * doc/rtl.texi: Document them.
12666 * simplify-rtx.c (simplify_unary_operation,
12667 simplify_binary_operation_1): Don't abort when we see them.
12669 2006-04-24 Mark Mitchell <mark@codesourcery.com>
12672 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12673 * configure.ac: Completely disregard languages that are not
12675 * configure: Regenerated.
12677 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12678 Richard Guenther <rguenther@suse.de>
12680 PR tree-optimization/27236
12681 * tree-inline.c (copy_body_r): Make sure to copy
12682 TREE_THIS_VOLATILE flag.
12684 2006-04-24 Richard Guenther <rguenther@suse.de>
12686 PR middle-end/26869
12687 * tree-complex.c (update_parameter_components): Don't handle
12688 unused parameters which have no default def.
12690 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12691 Richard Guenther <rguenther@suse.de>
12693 PR tree-optimization/27218
12694 * tree-inline.c (expand_call_inline): Strip useless type
12695 conversions for the return slot address.
12697 2006-04-24 Richard Guenther <rguenther@suse.de>
12699 * cfgloop.h (struct loops): Remove unused field array. Reorder
12701 (LOOP_PREFETCH): Remove.
12703 2006-04-24 Richard Guenther <rguenther@suse.de>
12705 PR tree-optimization/22525
12706 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
12707 variable, adjust types of generated expressions.
12709 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
12711 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
12712 (tree-vect-patterns.o): Likewise.
12713 (jump.o): Likewise.
12714 (cselib.o): Likewise.
12715 (loop-doloop.o): Likewise.
12716 (regclass.o): Likewise.
12717 (reload1.o): Likewise.
12718 (explow.o): Replace target.h with $(TARGET_H).
12719 (ipa-prop.o): Likewise.
12720 (ipa-cp.o): Likewise.
12721 (ipa-inline.o): Likewise.
12722 (reorg.o): Likewise.
12723 (reg-stack.o): Likewise.
12725 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12727 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
12729 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12731 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
12733 * configure.ac: Completely disregard languages that are not
12735 * configure: Regenerated.
12738 * c-common.h (c_build_bitfield_integer_type): Declare.
12739 * c-decl.c (c_build_bitfield_integer_type): Move to ...
12740 * c-common.c (c_build_bitfield_integer_type): ... here.
12742 2006-04-23 Roger Sayle <roger@eyesopen.com>
12745 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
12746 a SImode SUBREG of a floating point register after no_new_pseudos.
12748 2006-04-23 Roger Sayle <roger@eyesopen.com>
12750 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
12751 identify potentially eliminable registers to additionally catch
12752 VIRTUAL_INCOMING_ARGS_REGNUM.
12753 (addsi3): Update the conditions on when to use addsi_small_int.
12755 2006-04-23 Roger Sayle <roger@eyesopen.com>
12758 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
12759 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
12760 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
12762 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12764 * fold-const.c (range_predecessor): Use operand_equal_p
12765 as the predicate for equality.
12766 (range_successor): Likewise.
12768 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12771 * config/soft-fp/op-common.h: Fix a typo.
12773 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
12775 PR libmudflap/26864
12776 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
12777 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
12779 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12781 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
12783 * doc/tm.texi: Fix a typo.
12785 2006-04-21 Geoffrey Keating <geoffk@apple.com>
12787 * dwarf2out.c (struct die_struct): Document that die_sib makes
12788 a circular linked list.
12789 (FOR_EACH_CHILD): New.
12790 (reverse_die_lists): Delete.
12791 (reverse_all_dies): Delete.
12792 (add_dwarf_attr): Correct documentation.
12793 (remove_child_with_prev): New.
12794 (remove_child_TAG): Update for change to die_struct, use
12795 remove_child_with_prev.
12796 (add_child_die): Update for change to die_struct.
12797 (splice_child_die): Use remove_child_with_prev and add_child_die.
12798 (print_die): Use FOR_EACH_CHILD.
12799 (die_checksum): Likewise.
12800 (assign_symbol_names): Likewise.
12801 (output_location_lists): Likewise.
12802 (build_abbrev_table): Likewise.
12803 (calc_die_sizes): Likewise.
12804 (mark_dies): Likewise.
12805 (unmark_dies): Likewise.
12806 (unmark_all_dies): Likewise.
12807 (output_die): Likewise.
12808 (prune_unused_types_mark): Likewise.
12809 (prune_unused_types_walk): Likewise.
12810 (same_die_p): Update for change to die_struct.
12811 (break_out_includes): Likewise.
12812 (prune_unused_types_prune): Likewise.
12813 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
12814 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
12815 it's already clear.
12816 (dwarf2out_finish): Don't call reverse_all_dies.
12818 2006-04-21 Eric Christopher <echristo@apple.com>
12820 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
12821 in comments and function names.
12823 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12826 * c-typeck.c (digest_init): Robustify.
12828 * c-typeck.c (pop_init_level): Simplify.
12830 2006-04-21 Steve Ellcey <sje@cup.hp.com>
12832 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
12834 2006-04-21 Paul Brook <paul@codesourcery.com>
12836 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
12837 hardware floating point.
12839 2006-04-21 David Edelsohn <edelsohn@gnu.org>
12841 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
12844 2006-04-21 Nick Clifton <nickc@redhat.com>
12846 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
12849 2006-04-21 Alan Modra <amodra@bigpond.net.au>
12852 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
12853 C++ lang type in traceback table for Objective-C++.
12855 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
12857 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
12859 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
12861 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12864 * tree-mudflap.c (mudflap_finish_file): Skip function when there
12865 were errors. Remove check for erroneous objects.
12867 2006-04-20 Jeff Law <law@redhat.com>
12869 PR tree-optimization/26854
12870 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
12871 checking for zero or one use.
12872 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
12873 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
12874 * tree-ssa-reassoc.c (negate_value): Similarly.
12875 (reassociate_bb): Similarly.
12877 2006-04-20 Jakub Jelinek <jakub@redhat.com>
12880 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
12881 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
12882 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
12884 2006-04-20 Alan Modra <amodra@bigpond.net.au>
12886 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
12887 fp regs if the last fp arg doesn't fit in regs.
12889 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
12892 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
12893 that the last insn has the REG_INC note.
12895 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
12896 Nathan Sidwell <nathan@codesourcery.com>
12899 * stor-layout.c (update_alignment_for_field): Do not align
12901 (place_union_field): Place union field at the start of the union.
12902 (place_field): Move ERROR_MARK check later, and use the current
12903 allocation position to maintain monotonicity.
12905 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
12907 * dominance.c: Include timevar.h.
12908 (calculate_dominance_info): Use TV_DOMINANCE.
12909 * timevar.def (TV_DOMINANCE): New timevar.
12910 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
12912 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12914 PR rtl-optimization/14261
12915 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
12916 move would be an INSV insn.
12917 (noce_process_if_block): Don't optimize if the destination is a
12918 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
12920 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12922 * config/s390/s390.md: Add comments with the instructions emitted
12923 by an insn pattern if macros are used.
12925 2006-04-19 Alan Modra <amodra@bigpond.net.au>
12927 PR rtl-optimization/26026
12928 * fold-const.c (fold_binary): Optimize div and mod where the divisor
12929 is a known power of two shifted left a variable amount.
12931 2006-04-18 Geoffrey Keating <geoffk@apple.com>
12933 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
12934 to hash table twice when the debug_str section has SECTION_MERGE.
12936 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
12938 * config/soft-fp: New directory. From glibc.
12939 * config/soft-fp/t-softfp: New.
12940 * config/soft-fp/README: New.
12941 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
12942 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
12943 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
12944 (LIBGCC_DEPS): Add $(SFP_MACHINE).
12945 * config.gcc: Use rs6000/t-fprules-fpbit or
12946 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
12948 * config/rs6000/sfp-machine.h: New. Based on glibc.
12949 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
12951 * config/rs6000/t-fprules: Remove fp-bit rules.
12952 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
12953 * config/rs6000/t-linux64: Likewise. Remove duplicates from
12954 LIB2FUNCS_EXTRA. Remove fp-bit rules.
12955 (softfp_wrap_start, softfp_wrap_end): New.
12957 2006-04-18 DJ Delorie <dj@redhat.com>
12959 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
12961 2006-04-18 Devang Patel <dpatel@apple.com>
12963 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
12965 2006-04-18 Nick Clifton <nickc@redhat.com>
12967 * config/sh/t-symbian: Add rule to build sh-c.o
12968 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
12969 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
12970 (sh_symbian_encode_section_info): Likewise.
12972 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
12974 * builtins.c (expand_builtin_strcmp): Cover label definition of
12975 do_libcall with HAVE_cmpstrnsi.
12977 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
12979 * function.c (temp_slots_at_level, max_slot_level): Use VEC
12981 * function.h (temp_slot_p): New.
12982 (function): Change the type of x_used_temp_slots to
12983 VEC(temp_slot_p,gc) *.
12985 2006-04-18 Nick Clifton <nickc@redhat.com>
12987 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
12988 flag_strength_reduce.
12990 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
12992 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12996 Partial revert of revision 112637
12997 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12998 Dale Johannesen <dalej@apple.com>
13001 * regclass.c (struct reg_pref): Update documentation.
13002 (regclass): Set prefclass to NO_REGS if memory is the best option.
13003 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13005 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13007 PR tree-optimization/26821
13008 * tree-ssa-math-opts.c (get_constant_one): New.
13009 (insert_reciprocals): Use it.
13011 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13013 * dwarf2out.c (free_AT): Delete.
13014 (remove_AT): Update string ref counts.
13015 (remove_child_TAG): Don't call free_die.
13016 (free_die): Delete.
13017 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13018 or DW_TAG_GNU_EINCL.
13019 (prune_unused_types_walk_attribs): Reset string refcounts.
13020 (prune_unused_types_update_strings): New.
13021 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13022 call free_die. Do call prune_unused_types_update_strings.
13023 (prune_unused_types): Empty debug_str_hash.
13025 2006-04-17 Roger Sayle <roger@eyesopen.com>
13027 * expr.c (expand_assignment): Optimize away no-op moves where the
13028 source and destination are equal and have no side-effects.
13030 2006-04-17 Richard Guenther <rguenther@suse.de>
13033 * reload.c (push_reload): Guard calls to get_secondary_mem
13034 for memory subregs.
13036 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13038 * alias.c (reg_base_value, old_reg_base_value): Change the
13039 type to VEC(rtx,gc) *.
13040 (REG_BASE_VALUE, find_base_value, record_set,
13041 init_alias_analysis): Use VEC instead of VARRAY.
13043 * alias.c (alias_sets): Change the type to
13044 VEC(alias_set_entry,gc) *.
13045 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13046 VEC instead of VARRAY.
13047 (last_alias_set): Remove.
13049 * cgraph.h (cgraph_edge_p): New.
13050 Update the prototype of cgraph_function_versioning.
13051 * cgraphunit.c (cgraph_copy_node_for_versioning,
13052 cgraph_function_versioning): Use VEC instead of VARRAY.
13053 * ipa-cp.c (ipcp_insert_stage): Likewise.
13055 2006-04-16 Roger Sayle <roger@eyesopen.com>
13058 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13059 "A op B" or "A op C", we may need to convert A to the type of B and C.
13061 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13063 * target.h (struct gcc_target): Add mode_rep_extended.
13064 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13065 (init_num_sign_bit_copies_in_rep): Initialize it using
13067 (truncate_to_mode): Use it.
13068 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13069 * targhooks.h (default_mode_rep_extended): Declare it.
13070 * targhooks.c (default_mode_rep_extended): Define it.
13071 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13072 default_mode_rep_extended.
13073 (TARGET_INITIALIZER): Include it.
13074 * doc/tm.texi (Misc): Document it.
13075 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13076 (mips_truncated_to_mode): New function.
13078 2006-04-16 Roger Sayle <roger@eyesopen.com>
13080 PR middle-end/25474
13081 * expr.c (compress_float_constant): Copy the narrow constant into
13082 a new pseudo before extending it to its final width.
13084 2006-04-16 Roger Sayle <roger@eyesopen.com>
13085 Andrew Pinski <pinskia@gcc.gnu.org>
13086 Dale Johannesen <dalej@apple.com>
13089 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13090 special case code to implement V8HImode and V16QImode with SSE2.
13092 2006-04-15 Roger Sayle <roger@eyesopen.com>
13094 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13095 trees are constructed with a suitable tree type.
13097 2006-04-15 Roger Sayle <roger@eyesopen.com>
13099 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13100 (integer_onep): Likewise.
13101 (integer_all_onesp): Likewise.
13102 (integer_pow2p): Likewise.
13103 (integer_nonzerop): Likewise.
13104 (real_zerop): Likewise.
13105 (real_onep): Likewise.
13106 (real_twop): Likewise.
13107 (real_minus_onep): Likewise.
13108 (int_size_in_bytes): Likewise.
13109 (host_integerp): Likewise.
13111 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13113 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13114 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13115 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13117 * tree-ssa-structalias.h (alias_info): Remove num_references.
13119 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13121 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13122 (output_bvb patterns): Likewise.
13123 * pa.c (output_bb): Use 'bb' insn for long branch case.
13124 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13125 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13126 1. Correct length operand for alternatives 1 and 2.
13127 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13128 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13130 2006-04-14 Roger Sayle <roger@eyesopen.com>
13132 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13133 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13134 were accidentally reverted by r112959.
13136 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13138 PR middle-end/26823
13139 * except.h (eh_region_outermost): New prototype.
13140 * except.c (eh_region_outermost): New function.
13141 * tree-cfg.c (find_outermost_region_in_block): Use it.
13143 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13145 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13147 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13148 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13149 (init_reload, reload): Use VEC instead of VARRAY.
13150 * reload.h: Update the prototype for
13151 reg_equiv_memory_loc_varray.
13153 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13154 Eric Botcazou <ebotcazou@libertysurf.fr>
13156 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13157 register save area.
13159 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13161 PR middle-end/27134
13162 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13163 to expand fallback builtin function call.
13165 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13167 PR middle-end/27095
13168 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13169 and emit libcall here in case the builtin fails.
13170 (expand_builtin_strcmp): Always emit the libcall here on failure.
13172 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13174 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13175 * flow.c (reg_n_info): Change the type to
13176 VEC(reg_info_p,heap) *.
13177 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13179 * regs.h (reg_info_p): New.
13180 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13181 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13182 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13185 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13187 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13189 * params.h (MAX_SCHED_READY_INSNS): New macro.
13190 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13191 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13192 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13193 the ready list for 1 cycle during the first scheduling pass.
13194 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13196 2006-04-13 Richard Henderson <rth@redhat.com>
13199 * gimple-low.c (lower_omp_directive): Remove dead code.
13200 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13201 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13202 * omp-low.c (struct omp_region): Move to tree-flow.h.
13203 (root_omp_region): Export.
13204 (omp_regions, lookup_omp_region): Remove.
13205 (determine_parallel_type): Update for struct omp_region changes.
13206 (dump_omp_region): Dump regions with block numbers.
13207 (new_omp_region): Take type and block instead of stmt; malloc
13209 (free_omp_region_1, free_omp_regions): New.
13210 (expand_parallel_call): Take entry_stmt as argument; update for
13211 changes to omp_region.
13212 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13213 (remove_exit_barriers): New.
13214 (expand_omp_parallel): Update for struct omp_region changes.
13215 (expand_omp_synch): Likewise.
13216 (expand_omp): Likewise.
13217 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13218 (expand_omp_for_static_chunk): Likewise.
13219 (expand_omp_for): Likewise.
13220 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13221 (expand_omp_sections): Similarly, with GOMP_sections_end.
13222 (expand_omp_single): New.
13223 (build_omp_regions_1): Update for OMP_CONTINUE.
13224 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13225 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13226 OMP_SECTIONS_SECTIONS.
13227 (lower_omp_single_simple): Don't emit barrier here.
13228 (lower_omp_single_copy): Likewise.
13229 (lower_omp_single): Fix bindings, and lower to straightline now.
13230 (lower_omp_master, lower_omp_ordered): Likewise.
13231 (lower_omp_critical): Likewise.
13232 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13233 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13234 omp edges, free it afterward.
13235 (make_omp_sections_edges): Remove.
13236 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13237 (move_stmt_r): Handle OMP_CONTINUE.
13238 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13239 statement pointers to basic blocks. Add type member.
13240 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13241 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13242 * tree-inline.c (estimate_num_insns_1): Likewise.
13243 * tree-pretty-print.c (dump_generic_node): Likewise.
13244 * tree-ssa-operands.c (get_expr_operands): Likewise.
13245 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13246 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13247 (OMP_CONTINUE): New.
13248 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13249 (OMP_SECTIONS_SECTIONS): Remove.
13250 (OMP_SECTION_LAST): New.
13251 (OMP_RETURN_NOWAIT): New.
13253 2006-04-13 Roger Sayle <roger@eyesopen.com>
13255 * fold-const.c (native_encode_vector, native_interpret_real):
13256 Correct obvious mistakes in the previous check-in.
13258 2006-04-13 Roger Sayle <roger@eyesopen.com>
13260 * fold-const.c (native_encode_expr): New function to encode
13261 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13262 or VECTOR_CST into a specified buffer.
13263 (native_encode_int): New function.
13264 (native_encode_real): New function.
13265 (native_encode_complex): New function.
13266 (native_encode_vector): New function.
13267 (native_interpret_expr): Inverse of native_encode_expr to convert
13268 a target representation into an INTEGER_CST, REAL_CST etc...
13269 (native_interpret_int): New function.
13270 (native_interpret_real): New function.
13271 (native_interpret_complex): New function.
13272 (native_interpret_vector): New function.
13273 (fold_view_convert_expr): New function to constant fold/evaluate
13274 a VIEW_CONVERT_EXPR of a suitable constant expression.
13275 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13276 Change call of build1 to fold_build1 when constructing a
13279 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13280 Ulrich Weigand <uweigand@de.ibm.com>
13283 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13286 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13289 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13290 optimize to lo_sum for DFmode if !TARGET_FPRS.
13292 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13294 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13295 delete_alias_info, compute_flow_sensitive_aliasing,
13296 group_aliases): Use VEC instead of VARRAY.
13297 * tree-ssa-structalias.c (update_alias_info): Likewise.
13298 * tree-ssa-structalias.h (alias_info): Change the type of
13299 processed_ptrs to VEC(tree,heap) *.
13301 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13304 * config/sh/lib1funcs.h: New file, broken out of:
13305 * config/sh/lib1funcs.asm.
13306 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13308 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13309 * config/sh/lib1funcs-Os-4-200.asm: New file.
13310 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13311 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13312 (EXTRA_MULTILIB_PARTS): Include it.
13313 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13314 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13315 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13316 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13319 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13321 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13322 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13323 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13325 * tree-ssa-live.h: Include vecprim.h.
13326 (tree_partition_associator_d): Change the type of
13327 first_partition to VEC(int,heap) *.
13328 (tpa_first_partition): Use VEC instead of VARRAY.
13330 * Makefile.in (GTFILES): Move functions.h after tree.h.
13331 * function.c (reset_block_changes, record_block_change,
13332 check_block_change, free_block_changes): Use VEC instead of
13334 * function.h (function): Change the type of
13335 ib_boundaries_block to VEC(tree,gc) *.
13336 * tree-inline.c (copy_cfg_body): Initialize
13337 ib_boundaries_block to NULL instead of (varray_type) 0.
13339 2006-04-12 Roger Sayle <roger@eyesopen.com>
13341 * expr.c (emit_group_store): Correct operand order in call to
13342 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13343 a SUBREG_BYTE of zero.
13345 2006-04-12 Richard Guenther <rguenther@suse.de>
13347 * profile.c (compute_branch_probabilities): Remove code
13348 encapsulated in !ir_type (), which are remanents of the
13349 removed RTL profiling code.
13350 * rtl-profile.c: Remove.
13352 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13354 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13355 magic NULL_RTX comment.
13356 (function_arg): Store entire fp arg to mem if any part should go
13358 (rs6000_arg_partial_bytes): Adjust for above change.
13360 2006-04-11 Roger Sayle <roger@eyesopen.com>
13362 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13363 if it hasn't been initialized by dwarf2out_init.
13365 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13367 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13368 symbolic constants in branch patterns.
13370 2006-04-11 Roger Sayle <roger@eyesopen.com>
13372 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13374 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13376 PR rtl-optimization/27073
13377 * gcse.c (try_replace_reg): Revert last change. Continue to search
13378 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13381 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13383 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13384 aggregate types other than record and union types.
13385 (function_arg): Likewise.
13386 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13388 (function_value): In 64-bit mode, return objects that require it
13391 2006-04-11 Roger Sayle <roger@eyesopen.com>
13393 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13395 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13397 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13399 2006-04-03 Jeff Law <law@redhat.com>
13402 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13403 alias information too.
13405 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13407 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13409 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13412 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13413 (premark_used_types_helper): New.
13414 (premark_used_types): New.
13415 (gen_subprogram_die): Call premark_used_types.
13416 (prune_unused_types_walk): Do not prune perennial dies.
13417 * function.c (used_types_insert): New.
13418 * function.h (struct function): Add used_types_hash field.
13419 (used_types_insert): Add prototype.
13420 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13421 * c-parser.c (c_parser_cast_expression): Save casted types in used
13424 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13427 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13428 rs6000_explicit_options.float_gprs.
13430 2006-04-10 Roger Sayle <roger@eyesopen.com>
13432 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
13433 from ix86_expand_vector_init_low_nonzero. Take an additional
13434 one_var argument indicating which element is non-zero. Support
13435 one_var != 0 for V4SFmode and V4SImode by permuting the result.
13436 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
13437 with one_var instead of ix86_expand_vector_init_low_nonzero.
13439 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
13441 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
13442 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
13443 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
13444 build/genextract.o): Depend on vecprim.h.
13445 * cfglayout.c, df-problems.c, function.c, genextract.c,
13446 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
13447 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
13451 2006-04-10 Geoffrey Keating <geoffk@apple.com>
13453 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
13454 Declare VECs of this type.
13455 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
13456 (remove_children): Delete.
13457 (add_dwarf_attr): Use VEC routines.
13458 (add_AT_flag): Update for changes to add_dwarf_attr.
13459 (add_AT_int): Likewise.
13460 (add_AT_unsigned): Likewise.
13461 (add_AT_long_long): Likewise.
13462 (add_AT_vec): Likewise.
13463 (add_AT_string): Likewise.
13464 (add_AT_die_ref): Likewise.
13465 (add_AT_fde_ref): Likewise.
13466 (add_AT_loc): Likewise.
13467 (add_AT_loc_list): Likewise.
13468 (add_AT_addr): Likewise.
13469 (add_AT_lbl_id): Likewise.
13470 (add_AT_lineptr): Likewise.
13471 (add_AT_macptr): Likewise.
13472 (add_AT_offset): Likewise.
13473 (add_AT_range_list): Likewise.
13474 (get_AT): Use VEC_iterate.
13475 (remove_AT): Use VEC_ordered_remove.
13476 (free_die): Fold remove_children into here; have it use VEC_iterate.
13477 (print_die): Use VEC_iterate on attrs.
13478 (reverse_die_lists): Don't reverse attr lists.
13479 (die_checksum): Use VEC_iterate on attrs.
13480 (same_die_p): Likewise.
13481 (output_location_lists): Likewise.
13482 (build_abbrev_table): Likewise.
13483 (size_of_die): Likewise.
13484 (unmark_all_dies): Likewise.
13485 (output_abbrev_section): Likewise.
13486 (output_die): Likewise.
13487 (prune_unused_types_walk_attribs): Likewise.
13489 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13491 * doc/install.texi (*-*-solaris2*): Point to the configure page.
13493 2006-04-10 Jakub Jelinek <jakub@redhat.com>
13496 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
13498 2006-04-09 Roger Sayle <roger@eyesopen.com>
13500 * expr.c (store_constructor): Don't bother clearing target if
13501 we're about to assign a vector to it using vec_init_optab.
13503 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
13505 * tree-ssa-alias.c (lhs_may_store_to): New function.
13506 (recalculate_used_alone): Handle LHS of calls.
13508 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13512 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
13513 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
13514 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
13515 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
13516 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
13517 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
13518 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
13519 stubs. Add ".align 8" directives before all ".dword" directives.
13520 (GTHREAD_USE_WEAK): Revise comment.
13521 (TARGET_ATTRIBUTE_WEAK): Define.
13522 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
13523 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
13524 * stublib.c: New file.
13529 * pa.md (cbranch patterns): Revise arguments used in calls to
13530 output_cbranch, output_bb and output_bvd. Add long branch length
13532 (fbranch patterns): Handle long branches.
13533 (jump): Revise length check. Revise arguments for output_lbranch call.
13534 Add long branch length attributes.
13535 (decrement_and_branch_until_zero): Add long branch length attributes.
13536 (output_movb, output_parallel_addb and output_parallel_movb patterns):
13537 Likewise. Revise arguments for output_parallel_addb and
13538 output_parallel_movb calls.
13539 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
13540 output_parallel_movb and output_parallel_addb): Update prototypes.
13541 * pa.c (output_cbranch): Revise arguments. Correct handling of
13542 nullification in long branches.
13543 (output_lbranch): Add new argument to control extraction of delay
13545 (output_bb): Handle long branches.
13546 (output_bvb, output_dbra, output_movb, output_parallel_movb,
13547 output_parallel_addb): Likewise.
13549 2006-04-09 Richard Sandiford <richard@codesourcery.com>
13551 PR rtl-optimization/27073
13552 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
13555 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
13557 * tree.h (tree_memory_tag): Add old_used_alone.
13558 (SMT_OLD_USED_ALONE): New macro.
13559 * tree-ssa-alias.c (recalculate_used_alone): Stop
13560 marking things for renaming unnecessarily.
13562 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13564 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13565 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13566 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13567 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13568 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13569 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
13570 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
13571 spelling convensions.
13572 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
13573 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13574 typos. Follow spelling conventions.
13576 2006-04-07 DJ Delorie <dj@redhat.com>
13578 * config/m32c/m32c.c (m32c_function_arg): Structures are always
13579 passed on the stack.
13580 (m32c_init_cumulative_args): When a function returns a structure,
13581 always pass the pointer to that return area on the stack.
13582 (m32c_function_arg_advance): Don't increment the parameter number
13583 if we're processing the returned structure pointer.
13584 (pushm_info): Reverse order of registers.
13586 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
13588 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
13589 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13590 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
13591 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
13592 build_int_cst_type.
13593 * tree-chrec.c (chrec_fold_multiply_poly_poly,
13594 chrec_fold_multiply): Same.
13595 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
13596 force_expr_to_var_cost): Same.
13597 * tree-mudflap.c (mf_xform_derefs_1): Same.
13598 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
13600 2006-04-07 David Edelsohn <edelsohn@gnu.org>
13602 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
13603 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
13606 2006-04-07 Jan Hubicka <jh@suse.cz>
13608 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
13610 2006-04-07 Richard Guenther <rguenther@suse.de>
13612 PR tree-optimization/26135
13613 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
13614 loads for store copy-prop.
13615 (copy_prop_visit_stmt): Likewise.
13617 2006-04-05 Robert Millan <robertmh@gnu.org>
13619 * config/i386/linux.h: Add a comment to mark macros that are
13620 being overriden in config/k*bsd-gnu.h.
13621 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
13623 * config/knetbsd-gnu.h: Ditto.
13625 2006-04-06 Jan Hubicka <jh@suse.cz>
13629 * coverage.c (coverage_checksum_string): Reorganize loop to not read
13632 2006-04-06 Mike Stump <mrs@apple.com>
13634 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
13635 for HAVE_nonlocal_goto to be consistent.
13636 (expand_builtin_nonlocal_goto): Likewise.
13637 (expand_builtin_strcmp): Use #ifdef instead of #if
13638 for HAVE_cmpstrnsi to be consistent.
13640 2006-04-05 DJ Delorie <dj@redhat.com>
13642 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
13645 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
13647 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
13648 got-relative addressing for anything but SImode.
13650 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
13651 even if the calling function doesn't modify them.
13653 2006-04-05 Richard Guenther <rguenther@suse.de>
13655 PR tree-optimization/26919
13656 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
13657 to cgraph_estimate_size_after_inlining.
13659 2006-04-05 Alan Modra <amodra@bigpond.net.au>
13661 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
13663 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
13665 PR tree-optimization/26996
13666 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
13667 VECTOR_TYPE variables.
13669 2006-04-05 Richard Guenther <rguenther@suse.de>
13671 PR tree-optimization/26763
13672 * fold-const.c (fold_comparison): Move folding of
13673 PTR + CST CMP PTR + CST ...
13674 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
13676 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
13678 * doc/install.texi (Prerequisites): Refine some wording on
13679 bootstrapping and ksh.
13680 Move the version numbers of DejaGnu here from the testing section
13681 and fix casing of names.
13682 Fix markup and clarify wording for autogen requirements.
13683 Refer to GCJ instead of just java.
13684 Refer to SVN instead of CVS.
13685 Describe diffutils as useful instead of necessary.
13686 (Downloading the source): Refer to SVN instead of CVS.
13687 Adjust a link to our web site accordingly.
13688 (Configuration): Fix casing of Bison.
13689 (Building): Refer to SVN instead of CVS.
13690 Fix a sentence on the use of Bison and remove duplicate (and
13691 incorrect) version number of Bison requirement.
13692 Remove one redundant list of packages needed for building.
13693 (Specific): Avoid reference to CVS.
13695 2006-04-04 Eric Christopher <echristo@apple.com>
13697 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
13698 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
13699 (rs6000_handle_struct_attribute): New.
13700 (rs6000_ms_bitfield_layout_p): Ditto.
13702 2006-04-04 Geoffrey Keating <geoffk@apple.com>
13704 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
13705 NULL for dso parameter to atexit_common.
13707 2006-04-04 Eric Christopher <echristo@apple.com>
13709 * config/i386/i386.c (machopic_output_stub): Output \t
13710 between instructions and operands.
13712 2006-04-04 David Edelsohn <edelsohn@gnu.org>
13714 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
13715 satisfies_constraint_[IL] to explicit tests on value.
13717 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
13719 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13720 set_nb_iterations_in_loop): Use build_int_cst instead of
13721 build_int_cst_type.
13722 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
13723 build_int_cst instead of convert.
13725 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
13727 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
13728 new value 2 for incoming.
13729 * function.c (expand_function_start): Call struct_value_rtx
13730 with incoming as 2.
13731 * config/sparc/sparc.md: Comment updated_return.
13732 * config/sparc/sparc.opt: Add -mstd-struct-return option.
13733 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
13734 struct return if sparc_std_struct_return and incoming is 2.
13735 (print_operand): Do not adjust return if
13736 sparc_std_struct_return.
13738 2006-04-04 Roger Sayle <roger@eyesopen.com>
13740 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
13741 convert in the middle-end.
13742 * expr.c (store_expr, store_constructor, get_inner_reference,
13743 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
13745 * tree.c (build_range_type): Likewise.
13747 2006-04-04 Tom Tromey <tromey@redhat.com>
13749 * doc/install.texi (Prerequisites): Mention jar.
13751 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
13753 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
13756 2006-04-04 Matthias Klose <doko@debian.org>
13758 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
13762 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
13765 2006-04-03 Geoffrey Keating <geoffk@apple.com>
13767 * doc/extend.texi (Function Attributes): Rewrite visibility
13768 attribute documentation.
13769 * doc/invoke.texi (C++ Dialect Options): Rewrite
13770 -fvisibility-inlines-hidden documentation to describe something
13771 entirely different, although in practise compatible.
13772 (Code Gen Options): Warn about system headers in -fvisibility=
13775 * doc/extend.texi (Other Builtins): Document that
13776 __builtin_nan is a compile-time constant only when its argument
13779 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
13781 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
13782 trying to remove TRUNCATE check if all bits outside the new mode
13783 are identical to the sign bit.
13785 2006-04-03 Jeff Law <law@redhat.com>
13787 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
13788 and operand scanning in some common cases.
13790 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13791 Dale Johannesen <dalej@apple.com>
13794 * regclass.c (struct reg_pref): Update documentation.
13795 (regclass): Set prefclass to NO_REGS if memory is the best option.
13796 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13797 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
13798 into account. For non-registers, equate an empty preferred
13799 reload class to a `!' in the constraint; move the if clause to
13800 do so after those that reject the insn.
13801 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
13803 (find_dummy_reload): Likewise.
13804 * doc/tm.texi (Register Classes): Document what it means
13805 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
13806 * config/i386/i386.c (ix86_preferred_reload_class): Force
13807 using SSE registers (and return NO_REGS for floating-point
13808 constants) if math is done with SSE.
13809 (ix86_preferred_output_reload_class): New.
13810 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
13811 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
13812 * config/i386/i386.md: Remove # register preferences.
13814 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13817 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13818 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
13819 the type of nb_iter.
13820 (instantiate_parameters_1): Convert the operands before calling
13821 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
13822 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
13824 2006-04-02 Roger Sayle <roger@eyesopen.com>
13826 * builtins.c (dummy_object): Use build_int_cst instead of convert.
13827 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
13828 instead of convert.
13829 * dojump.c (do_jump): Likewise.
13830 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
13831 * gimplify.c (gimple_boolify, gimplify_init_constructor,
13832 gimplify_boolean_expr): Likewise.
13833 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
13834 * varasm.c (array_size_for_constructor): Likewise.
13835 * tree-object-size.c (compute_object_offset): Likewise.
13837 2006-04-02 Roger Sayle <roger@eyesopen.com>
13839 PR middle-end/26977
13840 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
13841 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
13843 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13845 PR tree-optimization/26939
13846 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
13848 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13850 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
13851 at_stmt. Convert the type of operands before calling
13852 build_polynomial_chrec.
13853 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
13854 add_to_evolution_1.
13855 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
13856 (instantiate_parameters_1): Convert the type of operands before calling
13857 build_polynomial_chrec.
13858 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
13859 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
13860 reset_evolution_in_loop): Insert asserts to check the types of the
13862 (chrec_type): Moved...
13863 (eq_evolutions_p): Use operand_equal_p.
13864 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
13865 the types of the operands.
13866 (chrec_type): ...here.
13867 * tree-data-ref.c (create_data_ref): Convert the operands before
13868 calling chrec_replace_initial_condition.
13869 (same_access_functions, analyze_subscript_affine_affine,
13870 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
13871 (compute_subscript_distance, analyze_ziv_subscript,
13872 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
13873 analyze_miv_subscript): Convert the operands before calling
13874 chrec_fold_minus or chrec_fold_plus.
13876 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13878 * tree-data-ref.c (compute_all_dependences): Use a pointer to
13879 the dependence_relations vector.
13880 (compute_data_dependences_for_loop): Adjust call to
13881 compute_all_dependences.
13883 2006-04-01 Roger Sayle <roger@eyesopen.com>
13884 Richard Henderson <rth@redhat.com>
13886 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
13887 gimple_boolify on the condition before calling gimplify_expr.
13889 2006-03-31 Bob Wilson <bob.wilson@acm.org>
13891 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
13892 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
13893 the frame size. Update to use the new macros.
13894 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
13895 * config/xtensa/ieee754-df.S: Likewise.
13897 2006-03-31 Richard Henderson <rth@redhat.com>
13899 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
13900 (make_edges): ... here. Control fallthru creation with a local
13901 variable. Do not play with fake edges.
13902 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
13903 (make_goto_expr_edges): Don't play with fake edges. Make for_call
13906 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
13908 * dwarf2.h (DW64_CIE_ID): Define.
13909 * dwarf2out.c (DWARF_CIE_ID): Define.
13910 (output_call_frame_info): Output 0xffffffff before standard 8-byte
13911 length header. Use DWARF_CIE_ID.
13912 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
13913 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
13915 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
13917 * config/sh/linux-atomic.asm: New file.
13918 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
13920 2006-03-31 DJ Delorie <dj@redhat.com>
13922 * config/m32c/cond.md: Set condition flags properly throughout.
13923 * config/m32c/minmax.md: Likewise.
13924 * config/m32c/prologue.md: Likewise.
13925 * config/m32c/bitops.md: Likewise.
13926 * config/m32c/muldiv.md: Likewise.
13927 * config/m32c/mov.md: Likewise.
13928 * config/m32c/addsub.md: Likewise.
13929 * config/m32c/m32c.md: Likewise.
13930 * config/m32c/jump.md: Likewise.
13931 * config/m32c/shift.md: Likewise.
13933 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
13934 conditionally output the pattern for this.
13935 * config/m32c/m32c.c (flags_needed_for_conditional): New.
13936 (m32c_compare_redundant): New.
13937 (m32c_output_compare): New.
13938 * config/m32c/m32c-protos.h (m32c_output_compare): New.
13940 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
13941 dest, not src. Allow other 4-byte modes.
13943 2006-03-30 Denis Chertykov <denisc@overta.ru>
13945 * doc/md.texi: Refer to avr/constraints.md instead of
13948 2006-03-30 Roger Sayle <roger@eyesopen.com>
13950 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
13951 signed vs. unsigned comparison failures on some hosts.
13953 2006-03-31 Alan Modra <amodra@bigpond.net.au>
13956 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
13957 change to FLOAT_REGS.
13959 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
13960 (rs6000_override_options): Use it.
13961 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
13962 only for -mabi=spe/no-spe and -mabi=altivec.
13964 2006-03-30 Geoffrey Keating <geoffk@apple.com>
13966 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
13969 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
13971 * Makefile.in: Rename docdir to gcc_docdir.
13973 2006-03-30 Roger Sayle <roger@eyesopen.com>
13976 * expr.c (emit_group_store): Optimize group stores into a pseudo
13977 register by using a paradoxical subreg to initialize the destination
13978 if the first or last member of the group specifies a "low part".
13980 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13983 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
13984 * target.h (struct gcc_target.speculate_insn): Change type of the
13985 second parameter to 'int'.
13986 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
13987 the second operand of the DEPS_LIST.
13988 (copy_DEPS_LIST_list): Update reference to the second operand of the
13990 * rtl.h (alloc_DEPS_LIST): Update signature.
13991 * sched-int.h (ds_t): Change typedef to 'int'.
13992 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13994 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13996 * haifa-sched.c (try_ready): Change condition to restore
13997 non-speculative pattern of the instruction.
13998 (process_insn_depend_be_in_spec): Code to keep probability of the
13999 speculative dependence non-decreasing.
14001 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14003 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14004 (single_move_for_movmem): ... this. Also change all uses.
14005 (bfin_expand_strmov): Renamed to...
14006 (bfin_expand_movmem): ... this. Also change all uses.
14007 * config/bfin/bfin.md (movstrsi): Renamed to...
14008 (movstrsi): ...this.
14010 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14012 PR tree-optimization/26830
14014 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14015 (copy_prop_visit_stmt): Remove write-only variable ann.
14016 (init_copy_prop): Check variable loop depth here. Do not simulate
14017 memory-tag and virtual operand PHIs except for store copy prop.
14019 2006-03-30 Richard Guenther <rguenther@suse.de>
14021 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14022 variants with double arguments.
14024 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14026 * genpreds.c (write_tm_constrs_h): Delete variable p.
14027 * genconditions.c (write_header): Add tm-constrs.h to included
14029 * genpeep.c (main): Add toplev.h to included headers.
14030 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14031 (build/genpeep.o): Add toplev.h dependency.
14032 * config/rs6000/constraints.md: Add "W" constraint.
14034 2006-03-29 Roger Sayle <roger@eyesopen.com>
14036 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14037 sizes by correctly testing whether the size fits a host integer.
14038 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14039 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14040 SImode range for the default sizetype and bitsizetype.
14042 2006-03-29 Roger Sayle <roger@eyesopen.com>
14044 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14045 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14046 quickly if the argument is already of the correct type.
14047 Call fold_build1 instead of build1. Tidy up blank lines.
14049 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14051 * genemit.c (main): Add tm-constrs.h to included headers.
14052 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14053 * genpeep.c (main): Add tm-constrs.h to included headers.
14054 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14055 (write_tm_constrs_h): this and write complete file.
14056 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14057 (write_insn_preds_c): Add tm-constrs.h to included headers.
14058 (gen_constrs): New variable.
14059 (parse_option): Parse "-c".
14060 (main): Invoke write_tm_constrs_h.
14061 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14062 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14063 (object_out_file): Add tm-constrs.h dependency.
14064 (insn-emit.o): Same.
14065 (insn-output.o): Same.
14066 (insn-peep.o): Same.
14067 (insn-preds.o): Same.
14068 (insn-recog.o): Same.
14069 (tm-constsr.h): New target.
14070 (s-constrs-h): New target.
14072 * config/rs6000/constraints.md: New file.
14073 * config/rs6000/rs6000.c: Include tm-constrs.h.
14074 (num_insn_constant_wide): Convert to satisfies_constraint.
14075 (rs6000_rtx_costs): Convert to satisfies_constraint.
14076 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14077 (CONST_OK_FOR_LETTER_P): Delete.
14078 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14079 (EXTRA_CONSTRAINT): Delete.
14080 (EXTRA_MEMORY_CONSTRAINT): Delete.
14081 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14082 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14083 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14084 satisfies_constraint.
14086 * config/i386/i386.c: Include tm-constrs.h.
14088 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14090 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14091 * tree-data-ref.c (find_data_references_in_loop,
14092 compute_data_dependences_for_loop): Use pointers to VEC.
14093 (analyze_all_data_dependences): Adjust calls.
14094 * tree-data-ref.h (find_data_references_in_loop,
14095 compute_data_dependences_for_loop): Adjust declarations.
14096 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14097 compute_data_dependences_for_loop.
14099 2006-03-29 Paul Brook <paul@codesourcery.com>
14101 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14102 (movdf_vfp): Ditto.
14104 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14106 PR tree-optimization/26859
14107 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14109 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14110 for the step after fold_convert.
14112 2006-03-29 Paul Brook <paul@codesourcery.com>
14114 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14115 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14117 2006-03-29 Paul Brook <paul@codesourcery.com>
14119 PR middle-end/23623
14120 * targhooks.c (default_narrow_bitfield): New fuction.
14121 * targhooks.h (default_narrow_bitfield): add prototype.
14122 * target.h (gcc_target): Add narrow_volatile_bitfield.
14123 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14124 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14125 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14126 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14128 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14130 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14132 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14133 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14134 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14135 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14136 (s390_function_arg_float): Allow SDmode and DDmode values to be
14137 passed in floating point registers.
14138 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14139 check with SCALAR_FLOAT_MODE_P.
14140 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14142 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14144 PR tree-optimization/25985
14145 * tree-ssa-loop-niter.c (number_of_iterations_le,
14146 number_of_iterations_ne): Make comments more precise.
14147 (number_of_iterations_cond): Add only_exit argument. Use the
14148 fact that signed variables do not overflow only when only_exit
14150 (loop_only_exit_p): New.
14151 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14152 number_of_iterations_cond.
14154 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14156 PR tree-optimization/26643
14157 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14160 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14162 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14163 (divsi3_i4_int): Likewise.
14165 2006-03-28 Roger Sayle <roger@eyesopen.com>
14167 * expr.c (emit_group_store): Only create a new pseudo reg if the
14168 quantity it needs to hold isn't already a suitable pseudo.
14170 2006-03-28 Jeff Law <law@redhat.com>
14172 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14173 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14175 2006-03-28 Roger Sayle <roger@eyesopen.com>
14177 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14178 the equivalent ~X & Y, and the symmetry related transformations.
14179 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14180 ~X & Y, and symmetry related transforms.
14182 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14184 Revert my 2006-03-27 patches.
14186 2006-03-28 Roger Sayle <roger@eyesopen.com>
14188 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14189 ~(T1)X, when T1 and T2 are integer types of the same precision
14190 and (T2)X isn't an extension.
14192 2006-03-28 Jeff Law <law@redhat.com>
14194 PR tree-optimization/26796
14195 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14196 need EH edge cleanups rather than purging them immediately.
14197 (eliminate_degenerate_phis): Handle queued EH cleanups.
14199 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14201 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14204 2006-03-27 Roger Sayle <roger@eyesopen.com>
14206 PR middle-end/22524
14207 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14208 cast BIT_NOT_EXPR operand to the correct type.
14210 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14212 * tree-loop-linear.c: Don't include varray.h.
14213 (gather_interchange_stats, try_interchange_loops,
14214 linear_transform_loops): Use VEC instead of VARRAY.
14215 * lambda-mat.c: Don't include varray.h.
14216 * tree-chrec.c: Same.
14217 * lambda-trans.c: Same.
14218 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14219 VEC instead of VARRAY.
14220 * tree-vectorizer.h: Idem.
14221 * tree-data-ref.c (dump_data_references,
14222 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14223 initialize_data_dependence_relation, finalize_ddr_dependent,
14224 compute_all_dependences, find_data_references_in_loop,
14225 compute_data_dependences_for_loop, analyze_all_data_dependences,
14226 free_dependence_relation, free_dependence_relations,
14227 free_data_refs): Idem.
14228 * tree-data-ref.h (data_reference_p, subscript_p): New.
14229 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14230 VEC instead of VARRAY.
14231 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14232 (find_data_references_in_loop, compute_data_dependences_for_loop,
14233 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14234 dump_data_dependence_relations, free_dependence_relations,
14235 free_data_refs): Adjust declaration.
14236 (lambda_transform_legal_p): Move declaration here...
14237 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14238 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14239 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14240 vect_analyze_data_refs): Use VEC instead of VARRAY.
14241 * lambda.h (lambda_transform_legal_p): ...from here.
14242 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14243 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14244 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14245 tree-chrec.o): Don't depend on VARRAY_H.
14247 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14249 * rtl.def (Copyright): Update date.
14250 (DEPS_LIST): Change type of the second operand to 'int'.
14251 * target.h (Copyright): Update date.
14252 (struct gcc_target.speculate_insn): Change type of the second parameter
14254 * lists.c (Copyright): Update date.
14255 (alloc_DEPS_LIST): Change signature. Update reference to the second
14256 operand of the DEPS_LIST.
14257 (copy_DEPS_LIST_list): Update reference to the second operand of the
14259 * rtl.h (Copyright): Update date.
14260 (alloc_DEPS_LIST): Update signature.
14261 * sched-int.h (Copyright): Update date.
14262 (ds_t): Change typedef to 'int'.
14263 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14265 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14267 * haifa-sched.c (Copyright): Update date.
14268 (try_ready): Change condition to restore non-speculative pattern
14269 of the instruction.
14270 (process_insn_depend_be_in_spec): Code to keep probability of the
14271 speculative dependence non-decreasing.
14273 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14275 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14276 shut up the compiler.
14278 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14280 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14281 to use lib prefix for target.
14282 ($(T)libic_invalidate_array_4-200.a): Likewise.
14283 ($(T)libic_invalidate_array_4a.a): Likewise.
14285 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14286 J"orn Rennecke <joern.rennecke@st.com>
14288 * superh.opt: New file.
14289 * sh.c (boardtype, osruntime): Remove.
14290 * superh.h (SUBTARGET_OPTIONS): Remove.
14291 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14293 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14294 arguments with ^ and/or [].
14296 * config.gcc (sh-*-*): Add quoting to account for quirk of
14298 Replace == with = in enable_incomplete_targets test.
14300 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14301 with MASK_LITTLE_ENDIAN.
14303 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14304 * config/sh/sh.opt: Added to some comments.
14305 * config/sh/superh.h: Removed some chaff.
14307 * config/sh/sh.opt: Add m4-[1234]00* options.
14308 * config/sh/sh.c (sh_handle_option): Likewise.
14309 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14310 (ic_invalidate_array_4-100.o): New rule.
14311 ($(T)libic_invalidate_array_4-100.a): Likewise.
14312 (ic_invalidate_array_4-200.o): Likewise.
14313 ($(T)libic_invalidate_array_4-200.a): Likewise.
14314 (ic_invalidate_array_4a.o): Likewise.
14315 ($(T)libic_invalidate_array_4a.a): Likewise.
14316 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14317 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14319 * config/sh/crt1.asm: Merged in profiling code.
14320 * config/sh/superh.h (STARTFILE_SPEC): Override.
14321 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14322 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14323 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14325 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14326 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14327 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14329 * sh.opt (mpretend-cmove): New option.
14330 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14331 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14332 (movsicc): Add TARGET_PRETEND_CMOVE code.
14334 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14336 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14337 s390_class_max_nregs): New function prototypes.
14338 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14339 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14340 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14341 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14343 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14345 * dwarf2out.c (add_location_or_const_value_attribute): Call
14346 tree_add_const_value_attribute if nothing else works.
14347 (reference_to_unused): New.
14348 (rtl_for_decl_init): Use reference_to_unused to decide whether
14349 to output an initializer.
14351 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14354 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14355 peephole removing spe frob_di_df_2.
14357 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14359 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14360 (subscript_dependence_tester_1): Declared.
14361 (print_dir_vectors, print_dist_vectors): New.
14362 (debug_data_dependence_relation): New.
14363 (dump_data_dependence_relation): Print more details.
14364 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14365 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14366 (save_dist_v, save_dir_v, add_outer_distances,
14367 build_classic_dist_vector_1): New.
14368 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14369 Don't test for lambda_vector_lexico_pos.
14370 (same_access_functions, add_multivariate_self_dist,
14371 add_other_self_distances, dir_from_dist): New.
14372 (build_classic_dir_vector): Replace implementation almost identical to
14373 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14375 (subscript_dependence_tester_1): New.
14376 (subscript_dependence_tester): Handle the lexicographically negative
14377 distance vectors by recomputing the dependence relation.
14378 (compute_affine_dependence): Remove parameter loop_nest_depth.
14379 (compute_self_dependence): Don't call compute_subscript_distance.
14380 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14381 Add a parameter for the loop_nest.
14382 (find_loop_nest_1, find_loop_nest): New.
14383 (compute_data_dependences_for_loop): Compute the loop nest, and give
14384 up if the nest is not well formed.
14385 * tree-data-ref.h (loop_p): New.
14386 (struct data_dependence_relation): Replace size_vect field with
14387 loop_nest, a vec of loops.
14388 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14389 (DDR_LOOP_NEST): New.
14390 (print_dir_vectors, print_dist_vectors,
14391 debug_data_dependence_relation): Declared.
14392 (index_in_loop_nest): New.
14393 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14394 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14397 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14399 * simplify-rtx.c (simplify_relational_operation): Call
14400 simplify_relational_operation_1 even if mode is VOIDmode.
14402 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14404 PR tree-optimization/26804
14405 * tree.h (DECL_CALL_CLOBBERED): New macro.
14406 (tree_decl_common): Add call_clobbered_flag.
14407 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14408 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14409 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14410 (mark_non_addressable): Ditto.
14411 * tree-ssa.c (verify_call_clobbered): New function.
14412 (verify_alias_info): Use it.
14413 * tree-pass.h (pass_reset_cc_flags): New prototype.
14414 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14415 (reset_cc_flags): New function.
14416 * passes.c (init_optimization_passes): Call reset_cc_flags after
14417 initializing referenced_vars.
14419 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14420 Roger Sayle <roger@eyesopen.com>
14422 PR middle-end/26717
14423 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14424 to 1.0 for non-real operands. Implement A / A optimization for
14427 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14429 * config/i386/i386.c (size_cost): Correct the comment for
14430 cost of storing fp registers.
14431 (i386_cost): Likewise.
14432 (i486_cost): Likewise.
14433 (pentium_cost): Likewise.
14434 (pentiumpro_cost): Likewise.
14435 (k6_cost): Likewise.
14436 (athlon_cost): Likewise.
14437 (k8_cost): Likewise.
14438 (pentium4_cost): Likewise.
14439 (nocona_cost): Likewise.
14440 (generic64_cost): Likewise.
14441 (generic32_cost): Likewise.
14443 2006-03-24 Denis Chertykov <denisc@overta.ru>
14445 * config/avr/avr-protos.h (extra_constraint): Delete.
14446 (extra_constraint_Q): New declaration.
14447 * config/avr/constraints.md: New file.
14448 * config/avr/avr.md: Include it.
14449 (REG_X, REG_Y, REG_Z, REG_W): New constants.
14450 (TMP_REGNO, ZERO_REGNO): Likewise.
14451 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
14452 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
14453 (extra_constraint): Delete.
14454 (extra_constraint_Q): Test for memory constraint 'Q'.
14455 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
14456 (REG_CLASS_FROM_LETTER): Delete.
14457 (CONST_OK_FOR_LETTER_P): Delete.
14458 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14459 (EXTRA_CONSTRAINT): Delete.
14460 (TMP_REGNO): Delete.
14461 (ZERO_REGNO): Delete.
14463 2006-03-24 Jeff Law <law@redhat.com>
14465 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
14466 directly. Call mark_new_vars_to_rename slightly earlier.
14468 2006-03-24 Geoffrey Keating <geoffk@apple.com>
14470 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
14471 (is_cxx): Likewise.
14472 (gen_compile_unit_die): Use new language types for Objective-C and
14474 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
14475 DW_LANG_C_plus_plus.
14478 * config/t-darwin (crt3.o): Work around bug 26840.
14479 * config/darwin-crt3.c: Rewrite.
14480 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
14482 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
14484 * doc/invoke.texi: Document -femit-class-debug-always
14485 * common.opt: Add -femit-class-debug-always.
14487 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
14489 * config/s390/s390.c (s390_decompose_address): Allow SImode for
14490 index and base register.
14491 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
14492 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
14493 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
14494 REGNO_OK_FOR_INDEX_P.
14495 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
14497 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
14498 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
14499 REG_OK_FOR_BASE_P): Definitions removed.
14501 2006-03-24 Jakub Jelinek <jakub@redhat.com>
14503 PR middle-end/26611
14504 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
14505 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
14506 set yet or weren't marked as local yet.
14508 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
14510 * regrename.c (scan_rtx_address): Initialize a variable to shut up
14513 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
14515 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
14516 (rs6000_legitimate_small_data_p): Delete.
14517 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
14518 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
14519 and make static. Add forward declaration. Update uses.
14520 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
14521 of offsettable_memref_p.
14522 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
14523 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
14525 2006-03-24 Jeff Law <law@redhat.com>
14527 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
14528 around bug in immediate-use iterator.
14530 2006-03-24 Alan Modra <amodra@bigpond.net.au>
14533 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
14534 or __LITTLE_ENDIAN__.
14536 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
14538 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
14539 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
14540 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
14541 * config/sh/sh.opt (mdiv=): Amend description.
14542 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
14543 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
14544 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
14545 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
14546 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
14547 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
14548 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
14549 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
14550 TARGET_DIVIDE_CALL_FP.
14552 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14554 * haifa-sched.c (choose_ready): Fix type of the local variable.
14555 Move local variables. Add comment.
14556 (check_reg_live): Change signature. Make callable from debugger.
14557 * sched-int.h (check_reg_live): Update signature.
14558 * sched-ebb.c (check_reg_live): Update parameters.
14559 * sched-rgn.c (check_reg_live): Ditto.
14560 (region_head_or_leaf_p): Check pointer before dereferencing.
14561 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
14562 before reload on optimization levels below 1.
14564 2006-03-23 Richard Henderson <rth@redhat.com>
14566 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
14570 * config/alpha/predicates.md (local_symbolic_operand): Reject
14573 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
14576 * tree-ssa-pre.c (create_value_expr_from): Don't reject
14577 expressions which have overflowed constants.
14579 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14581 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
14583 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14585 * cfgloopmanip.c (create_loop_notes): Removed.
14586 * final.c (final_scan_insn): Do not handle loop notes.
14587 * jump.c (squeeze_notes): Ditto.
14588 * cfglayout.c (skip_insns_after_block,
14589 duplicate_insn_chain): Ditto.
14590 * cfgcleanup.c (rest_of_handle_jump2): Do not call
14592 * cfgloop.h (create_loop_notes): Declaration removed.
14594 2006-03-23 Richard Sandiford <richard@codesourcery.com>
14596 * varasm.c (output_constant_pool): Restore fnname and fndecl
14598 (assemble_start_function): Adjust call accordingly.
14599 (assemble_end_function): Likewise.
14601 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14604 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
14607 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
14609 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14612 * system.h (ICE_EXIT_CODE): New macro.
14613 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
14614 (diagnostic_action_after_output): Likewise.
14615 * gcc.c (fatal_ice): New function.
14616 (execute): Use it instead of fatal.
14617 (fancy_abort): Likewise.
14618 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
14620 2006-03-22 Jeff Law <law@redhat.com>
14622 * loop-unroll.c (analyze_iv_to_split_insn): Handle
14623 iv_analyze_result returning false.
14625 2006-03-22 Jie Zhang <jie.zhang@analog.com>
14627 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
14629 2006-03-22 Richard Henderson <rth@redhat.com>
14631 PR middle-end/26084
14632 * except.c (duplicate_eh_regions_0): New.
14633 (duplicate_eh_region_1): Duplicate the children of the node as
14634 well as the node itself. Link them up properly.
14635 (duplicate_eh_region_2): Merge into ...
14636 (duplicate_eh_regions): ... here. Take copy_region argument, and
14637 copy only a sub-tree if asked. Simplify copying and fixup.
14638 (eh_region_outer_p): New.
14639 * except.h (duplicate_eh_regions): Update decl.
14640 (eh_region_outer_p): Declare.
14641 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
14642 (lower_omp_master): Likewise.
14643 (lower_omp_ordered): Likewise.
14644 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
14645 (move_stmt_r): Use it to remap labels. Handle recursion vs
14646 remap_decls_p properly.
14647 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
14648 (find_outermost_region_in_block): New.
14649 (new_label_mapper): New.
14650 (move_sese_region_to_fn): Copy eh information to the new function
14652 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
14654 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
14657 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14659 * doc/md.texi (-mshared): Mention that -mshared code can be linked
14660 into shared libraries.
14662 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14664 * doc/md.texi: Refer to i386/constraints.md instead of
14665 i386/predicates.md.
14666 * config/i386/constraints.md: New file, extracted from...
14667 * config/i386/predicates.md: ...here.
14668 * config/i386/i386.md: Include constraints.md.
14670 2006-03-21 Jason Merrill <jason@redhat.com>
14672 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
14674 PR middle-end/20297
14675 * expr.c (init_block_move_fn): Force default visibility.
14676 (init_block_clear_fn): Likewise.
14677 * builtins.c (expand_builtin_fork_or_exec): Likewise.
14678 * targhooks.c (default_external_stack_protect_fail): Likewise.
14680 2006-03-21 Richard Sandiford <richard@codesourcery.com>
14682 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14683 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
14684 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
14685 Use TARGET_OLDABI instead of !TARGET_NEWABI.
14686 (loadgp): Use mips_current_loadgp_style.
14687 (loadgp_noshared): New pattern.
14688 (sibcall_internal): Use MIPS_CALL.
14689 (sibcall_value_internal): Likewise.
14690 (sibcall_value_multiple_internal): Likewise.
14691 (call_internal): Likewise.
14692 (call_value_internal): Likewise.
14693 (call_value_multiple_internal): Likewise.
14694 (call_split): Use MIPS_CALL and add an 'S' constraint.
14695 (call_value_split): Likewise.
14696 (call_value_multiple_split): Likewise.
14697 * config/mips/mips.opt (-mabicalls): Tweak docstring.
14698 (-mshared): New option.
14699 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
14700 (mips_current_loadgp_style): Declare.
14701 * config/mips/mips.c (mips_classify_symbol): Avoid using
14702 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
14703 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
14704 TARGET_ABSOLUTE_ABICALLS.
14705 (override_options): Adjust comments. Improve the warning that is
14706 issued when -mabicalls and -G are used together.
14707 (mips_file_start): Remove comment.
14708 (mips_current_loadgp_style): New function.
14709 (mips_gnu_local_gp): New variable.
14710 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
14712 (mips_output_function_prologue): Use mips_current_laodgp_style.
14713 (mips_expand_prologue): Call mips_emit_loadgp before emitting
14714 the cprestore instruction.
14715 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
14716 live for TARGET_ABSOLUTE_ABICALLS.
14717 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
14718 (ASM_SPEC): Pass down -mshared and -mno-shared.
14719 (MIPS_CALL): New macro.
14720 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
14722 * doc/invoke.texi (-mabicalls): Update documentation.
14723 (-mshared): Document.
14725 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14727 * config/ia64/unwind-hpux.c: New file.
14728 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
14730 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14733 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
14735 2006-03-21 Jeff Law <law@redhat.com>
14737 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
14738 type conversions of a VR_VARYING source to a wider type.
14740 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
14742 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
14743 tm_file on Solaris 10 and later.
14744 (sparc64-*-solaris2*): Likewise.
14745 (sparc-*-solaris2*): Likewise.
14746 * config/sol26.h: Rename to config/sol2-6.h.
14747 * config/sol2-10.h: New file.
14749 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
14752 * tree-ssa-pre.c (create_component_ref_by_pieces):
14755 2006-03-21 Jakub Jelinek <jakub@redhat.com>
14758 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
14759 return it immediately.
14761 2006-03-21 Michael Matz <matz@suse.de>
14763 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
14765 (remove_arc, add_arc): Update num_out_arcs member.
14766 (set_out_arc_insns_equiv_num): Returns nothing instead of number
14768 (cache_presence): New function.
14769 (compare_states_for_equiv): New function.
14770 (state_is_differed): Don't take number of outargs, adjust callers.
14771 Use new invariant for speeding up.
14772 (init_equiv_class): Create initial classes based on sorted
14774 (partition_equiv_class): Don't track out_arcs_num.
14775 (evaluate_equiv_classes): Call cache_presence on all states and
14778 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
14780 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
14781 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
14782 (bfin_valid_reg_p): Test for pseudos explicitly and use only
14783 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
14785 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
14786 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
14787 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
14788 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
14789 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
14791 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
14792 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
14793 (REGNO_REG_CLASS): ARGP is in PREGS.
14794 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
14796 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
14797 to deal with those addresses.
14798 * addresses.h: New file.
14799 * caller-save.c: Include "addresses.h".
14800 (init_caller_save): Use new base_reg_class function.
14801 * rtl-factoring.c: Include "addresses.h".
14802 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
14803 * recog.c: Include "addresses.h".
14804 (preprocess_constraints): Use new base_reg_class function.
14805 * regrename.c: Include "addresses.h".
14806 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
14807 functions. Keep track of a new var INDEX_CODE to compute valid
14809 (replace_oldest_value_addr): Likewise.
14810 (replace_oldest_value_mem): Use base_reg_class.
14811 * reload.c: Include "addresses.h".
14812 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
14813 (find_reloads): Use new base_reg_class function.
14814 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
14815 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
14816 all callers and prototype changed.
14817 * reload1.c: Include "addresses.h".
14818 (maybe_fix_stack_asms): Use base_reg_class.
14819 * regclass.c: Include "addresses.h".
14820 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
14821 (init_reg_autoinc): Use new base_reg_class function.
14822 (record_reg_classes): Likewise.
14823 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
14824 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
14825 Use new args to compute necessary class.
14827 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
14828 regrename.o, rtl-factoring.o): Update dependencies.
14829 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
14830 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
14831 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
14832 REG_OK_FOR_INDEX_P): Delete documentation.
14834 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
14836 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
14837 from V7 to V9 for Solaris 7 and above.
14839 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
14841 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
14842 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
14843 argument pointers may not alias any other storage.
14844 * common.opt: Define option -fargument-noalias-anything.
14845 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
14846 alias semantics is specified by flag_argument_noalias > 2.
14848 2006-03-20 Jeff Law <law@redhat.com>
14850 * tree-pass.h (pass_phi_only_copy_prop): Delete.
14851 (pass_phi_only_cprop): Declare.
14852 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
14853 with phi_only_cprop
14854 * tree-ssa-dom.c (degenerate_phi_result): New function.
14855 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
14856 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
14857 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
14858 (eliminate_degenerate_phis): Likewise.
14859 (pass_phi_only_cprop): New pass descriptor.
14860 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
14861 support code. Callers updated.
14862 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
14863 (store_copy_prop): Likewise.
14864 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
14866 2006-03-20 Jason Merrill <jason@redhat.com>
14869 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
14870 (push_visibility, pop_visibility): Likewise.
14871 * c-pragma.h: Declare them.
14873 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
14875 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
14877 * config/sh/sh.c (find_regmode_weight): Change the type of the first
14878 parameter and use get_ebb_head_tail.
14879 (sh_md_init_global): Adjust uses of find_regmode_weight.
14881 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
14883 * function.h (struct function) <x_tail_recursion_reentry>:
14884 Rename to x_stack_check_probe_note.
14885 (tail_recursion_reentry): Rename to stack_check_probe_note.
14886 * function.c: Replace tail_recursion_reentry with
14887 stack_check_probe_note everywhere.
14888 (expand_function_start): Only emit a note for
14889 stack_check_probe_note with -fstack-protect.
14890 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
14892 * emit-rtl.c (remove_unnecessary_notes): Remove.
14893 (pass_remove_unnecessary_notes): Remove.
14894 * rtl.h (remove_unnecessary_notes): Remove prototype.
14895 * final.c (final_start_function): Don't call remove_unnecessary_notes.
14896 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
14897 * passes.c (pass_remove_unnecessary_notes): Don't run it.
14899 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
14902 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
14903 (valid_in_set): Handle ARRAY_REF.
14904 Change "if min_variant or VH" to asserts.
14905 (create_component_ref_by_pieces): Handle ARRAY_REF.
14906 (create_expression_by_pieces): Likewise.
14907 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
14909 2006-03-20 David Edelsohn <edelsohn@gnu.org>
14911 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
14912 is operand of switch, not str[0].
14914 2006-03-20 Alan Modra <amodra@bigpond.net.au>
14916 * config/rs6000/rs6000.c (rs6000_handle_option): Use
14917 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
14919 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14921 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
14922 end of insn_extra_address_constraint declaration.
14924 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14926 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
14927 (no-sum-in-toc): Same.
14928 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
14930 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
14931 NO_FP_IN_TOC for -fPIC instead of mask.
14933 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
14934 (BOOT_LDFLAGS): Delete.
14936 * config/rs6000/t-aix52: Same.
14938 * config/rs6000/rs6000.md (store_multiple_power): Delete.
14939 (stmsi[345678]_power): New.
14941 2006-03-17 Steve Ellcey <sje@cup.hp.com>
14943 * config/ia64/ia64.opt: Add empty line to end of file.
14945 2006-03-17 Richard Guenther <rguenther@suse.de>
14947 PR middle-end/26721
14948 * builtins.c (get_pointer_alignment): For component style references
14949 adjust alignment to the component type alignment. Make sure
14950 to adjust alignment for component access of constants.
14952 2006-03-17 David Edelsohn <edelsohn@gnu.org>
14954 * config/rs6000/rs6000.md (strlensi): Emit barrier after
14955 unconditional jump.
14957 2006-03-17 Paul Brook <paul@codesourcery.com>
14959 * doc/install.texi: Docuemnt --with-mode.
14960 * config.gcc: Add --with-mode for arm*-*-*.
14961 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
14963 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
14965 * sh.c (max_labelno_before_reorg): New variable.
14966 (sh_reorg): Initialize it.
14967 (find_barrier): Check max_labelno_before_reorg before using
14968 label_to_alignment. Take length of explicit alignment insns
14969 into account. When seeing a UNSPECV_CONST_END, return it.
14971 * sh.c (fixup_mova): Set mode of affected label to QImode.
14972 (untangle_mova): New function.
14973 (find_barrier): Use it. Check mode of label before decrementing
14975 (sh_reorg): Likewise.
14976 Set mode of all insns back to VOIDmode.
14978 * sh.c (MOVA_LABELREF): New macro.
14979 (mova_p, fixup_mova, sh_reorg): Use it.
14980 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
14981 ADDR_DIFF_VEC matches mova.
14983 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
14985 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
14986 with ATTRIBUTE_UNUSED.
14988 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
14990 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
14991 pointer, instead of assuming it is possible to derive the
14992 correct args size from a call insn.
14994 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14996 * rtl.h (CONST_INT_P): Define.
14997 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
14998 instead of GET_CODE(x) == CONST_INT.
14999 (vax_rtx_costs): Likewise.
15000 (vax_output_int_move): Likewise.
15001 (vax_output_int_add): Likewise.
15002 (legitimate_constant_address_p): Likewise.
15003 (index_term_p): Likewise.
15004 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15005 * config/vax/vax.md (and<mode>3): Likewise.
15006 (ashrsi3): Likewise.
15008 (movstricthi): Likewise.
15009 (movstrictqi): Likewise.
15010 (rotrsi3): Likewise.
15011 (five unnamed insns): Likewise.
15013 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15015 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15016 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15017 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15018 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15019 Pass to ASM_OUTPUT_DWARF_OFFSET.
15020 * dwarf2out.c (debug_frame_section): New.
15021 (output_call_frame_info): Use debug_frame_section. Pass it to
15022 dw2_asm_output_offset.
15023 (output_die): Pass appropriate section to dw2_asm_output_offset.
15024 (output_compilation_unit_header): Likewise.
15025 (output_pubnames): Likewise.
15026 (output_aranges): Likewise.
15027 (enum dw_val_class): Break dw_val_class_lbl_offset into
15028 dw_val_class_lineptr and dw_val_class_macptr.
15029 (add_AT_lbl_offset): Delete.
15030 (add_AT_lineptr): New.
15031 (add_AT_macptr): New.
15032 (AT_lbl): Expect a lineptr or macptr.
15033 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15034 (attr_checksum): Likewise.
15035 (same_dw_val_p): Likewise.
15036 (size_of_die): Likewise.
15037 (value_format): Likewise.
15038 (output_die): Likewise.
15039 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15041 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15042 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15043 * config/darwin-protos.h (darwin_file_start): New.
15044 (darwin_asm_output_dwarf_offset): New.
15045 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15046 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15048 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15049 if not EH section; simplify.
15050 (darwin_file_start): New.
15051 (darwin_asm_output_dwarf_offset): New.
15052 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15054 (DEBUG_INFO_SECTION): Likewise.
15055 (DEBUG_ABBREV_SECTION): Likewise.
15056 (DEBUG_ARANGES_SECTION): Likewise.
15057 (DEBUG_MACINFO_SECTION): Likewise.
15058 (DEBUG_LINE_SECTION): Likewise.
15059 (DEBUG_LOC_SECTION): Likewise.
15060 (DEBUG_PUBNAMES_SECTION): Likewise.
15061 (DEBUG_STR_SECTION): Likewise.
15062 (DEBUG_RANGES_SECTION): Likewise.
15063 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15064 (ASM_OUTPUT_DWARF_OFFSET): New.
15066 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15068 * config.gcc (tm_defines): Always add to previous value rather
15071 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15073 * config/mips/predicates.md (splittable_const_int_operand): New,
15074 split from move_operand.
15075 (splittable_symbolic_operand): New.
15076 (move_operand): Add commentary. Use splittable_const_int_operand.
15077 Inline mips_atomic_symbolic_constant_p.
15078 * config/mips/mips.md: Add combine splitters for handling moves
15079 of splittable_const_int_operands and splittable_symbolic_operands.
15080 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15081 (mips_split_symbol): Declare.
15082 (mips_move_integer): Declare.
15083 * config/mips/mips.c (mips_split_p): Make global.
15084 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15085 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15086 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15087 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15088 (mips_offset_within_object_p): Handle block symbols.
15089 (mips_atomic_symbolic_constant_p): Delete.
15090 (mips_cannot_force_const_mem): Return false for constants that
15091 mips_legitimize_move can handle.
15092 (mips_use_blocks_for_constant_p): New function.
15093 (mips_split_symbol): Make global.
15094 (mips_move_integer): Likewise. Add a temporary register argument.
15095 (mips_legitimize_const_move): Use splittable_const_int_operand and
15096 splittable_symbolic_operand.
15097 (mips_use_anchors_for_symbol_p): New function.
15098 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15099 (mips_split_p): Declare.
15101 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15103 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15104 (mips*-*-linux*): Likewise.
15106 2006-03-16 Roger Sayle <roger@eyesopen.com>
15107 Daniel Speyer <dspeyer@wam.umd.edu>
15109 PR middle-end/18259
15110 * tree-dump.c (dump_real): New function.
15111 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15112 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15113 (tree-dump.o): Add $(REAL_H) to the dependencies.
15115 2006-03-16 Roger Sayle <roger@eyesopen.com>
15117 PR middle-end/21781
15118 * real.c (real_from_string): If the mantissa is zero, don't bother
15119 parsing the exponent as the result should always be zero.
15121 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15123 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15125 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15127 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15128 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15129 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15130 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15131 ia64_sched_finish_global): New static functions to implement
15132 hooks from gcc_target.sched.
15133 (spec_check_no, max_uid, pending_data_specs): New static variables.
15134 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15135 ia64_spec_check_src_p): New static functions.
15136 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15137 (TARGET_SCHED_ADJUST_COST): Removed.
15138 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15139 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15140 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15141 TARGET_SCHED_GEN_CHECK,
15142 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15143 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15144 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15145 Fixed to handle speculation checks.
15146 (rtx_needs_barrier): Fixed to handle speculative loads and
15148 (ia64_variable_issue): Added code to count speculative loads and their
15150 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15152 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15154 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15156 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15157 (ia64_reorg): Reset stops_p to NULL after it is freed.
15158 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15159 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15160 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15162 (data_speculative, control_speculative, check_load): New attributes.
15163 (mov<mode>_advanced, mov<mode>_speculative,
15164 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15165 zero_extend<mode>di2_speculative,
15166 zero_extend<mode>di2_speculative_advanced): New patterns for
15167 data and control speculative loads.
15168 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15170 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15171 New pattern for data and control speculation checks.
15172 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15173 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15174 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15175 Auxiliary definitions for the patterns.
15176 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15177 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15179 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15181 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15182 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15183 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15184 New resource constraints.
15185 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15187 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15188 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15189 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15190 msched-in-control-spec, msched-ldc, msched-control-ldc,
15191 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15192 msched-prefer-non-control-spec-insns,
15193 msched-count-spec-in-critical-path): New flags to tune speculative
15195 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15196 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15197 msched-in-control-spec, msched-ldc, msched-control-ldc,
15198 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15199 msched-prefer-non-control-spec-insns,
15200 msched-count-spec-in-critical-path): Document new flags.
15202 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15204 * target.h (struct spec_info_def): New opaque declaration.
15205 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15206 speculate_insn, needs_block_p, gen_check,
15207 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15208 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15209 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15210 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15211 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15212 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15214 (TARGET_SCHED): Use new macros.
15215 * rtl.h (copy_DEPS_LIST_list): New prototype.
15216 * sched-int.h (struct sched_info): Change signature of new_ready field,
15217 adjust all initializations. New fields: add_remove_insn,
15218 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15219 region_head_or_leaf_p.
15220 (struct spec_info_def): New structure declaration.
15221 (spec_info_t): New typedef.
15222 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15223 recovery_block, orig_pat.
15224 (glat_start, glat_end): New variables declaraions.
15225 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15227 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15228 DETACH_LIFE_INFO, USE_GLAT.
15229 (enum SPEC_SCHED_FLAGS): New enumeration.
15230 (NOTE_NOTE_BB_P): New macro.
15231 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15232 attach_life_info, debug_spec_status, check_reg_live): New functions.
15233 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15234 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15236 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15237 * ddg.c (get_block_head_tail): Adjust all uses.
15238 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15239 (sms_sched_info): Initialize new fields.
15240 (contributes_to_priority): Removed.
15241 * haifa-sched.c (params.h): New include.
15242 (get_block_head_tail): Adjust all uses.
15243 (ISSUE_POINTS): New macro.
15244 (glat_start, glat_end): New global variables.
15245 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15246 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15247 old_last_basic_block, before_recovery, current_sched_info_var,
15248 rgn_n_insns, luid): New static variables.
15249 (insn_cost1): New function. Move logic from insn_cost to here.
15250 (find_insn_reg_weight1): New function. Move logic from
15251 find_insn_reg_weight to here.
15252 (reemit_notes, move_insn, max_issue): Change signature.
15253 (move_insn1): Removed.
15254 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15255 extend_bb): New static functions to support extension of scheduler's
15257 (generate_recovery_code, process_insn_depend_be_in_spec,
15258 begin_speculative_block, add_to_speculative_block,
15259 init_before_recovery, create_recovery_block, create_check_block_twin,
15260 fix_recovery_deps): New static functions to support
15261 generation of recovery code.
15262 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15263 restore_bb_notes, move_block_after_check, move_succs): New static
15264 functions to support ebb scheduling.
15265 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15266 functions to support handling of register live information.
15267 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15268 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15269 add_jump_dependencies): New static functions.
15270 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15271 consistancy checking.
15272 (debug_spec_status): New function to call from debugger.
15273 (priority): Added code to handle speculation checks.
15274 (rank_for_schedule): Added code to distinguish speculative instructions.
15275 (schedule_insn): Added code to handle speculation checks.
15276 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15277 Fixed to handle ebbs.
15278 (move_insn): Added code to handle ebb scheduling.
15279 (max_issue): Added code to use ISSUE_POINTS of instructions.
15280 (choose_ready): Added code to choose between speculative and
15281 non-speculative instructions.
15282 (schedule_block): Added code to handle ebb scheduling and scheduling of
15283 speculative instructions.
15284 (sched_init): Initialize new variables.
15285 (sched_finish): Free new variables. Print statistics.
15286 (try_ready): Added code to handle speculative instructions.
15287 * lists.c (copy_DEPS_LIST_list): New function.
15288 * sched-deps.c (extend_dependency_caches): New function. Move logic
15289 from create_dependency_caches to here.
15290 (get_dep_weak, ds_merge): Make global.
15291 * genattr.c (main): Code to output prototype for
15292 dfa_clear_single_insn_cache.
15293 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15294 (output_dfa_clean_insn_cache_func): Code to output
15295 dfa_clear_single_insn_cache function.
15296 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15298 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15300 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15301 New static variables.
15302 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15303 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15305 (ebb_sched_info): Initialize new fields.
15306 (get_block_head_tail): Adjust all uses.
15307 (compute_jump_reg_dependencies): Fixed to use glat_start.
15308 (schedule_ebb): Code to remove unreachable last block.
15309 (schedule_ebbs): Added code to update register live information.
15310 * sched-rgn.c (region_sched_info): Initialize new fields.
15311 (get_block_head_tail): Adjust all uses.
15312 (last_was_jump): Removed. Adjust users.
15313 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15314 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15315 Implement new hooks.
15316 (check_dead_notes1): New static function.
15317 (struct region): New fields: dont_calc_deps, has_real_ebb.
15318 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15319 (BB_TO_BLOCK): Fixed to handle EBBs.
15320 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15321 (ebb_head): New static variable.
15322 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15323 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15325 (compute_dom_prob_ps): New assertion.
15326 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15327 global_live_at_start.
15328 (init_ready_list): New assertions.
15329 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15330 (new_ready): Add support for BEGIN_CONTROL speculation.
15331 (schedule_insns): Fixed code that updates register live information
15333 (schedule_region): Fixed to handle EBBs.
15334 (init_regions): Use extend_regions and check_dead_notes1.
15335 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15336 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15337 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15338 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15339 TARGET_SCHED_GEN_CHECK,
15340 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15341 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15342 * doc/invoke.texi (max-sched-insn-conflict-delay,
15343 sched-spec-prob-cutoff): Document.
15345 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15347 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15348 inter_tick, queue_index.
15349 (struct sched_info): Change signature of init_ready_list field.
15350 Adjust all initializations.
15351 (RESOLVED_DEPS): New access macro.
15352 (ready_add): Remove prototype.
15353 (try_ready): Add prototype.
15354 * sched-rgn.c (init_ready_list): Use try_ready.
15355 (schedule_region): Initialize
15356 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15357 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15358 (init_ready_list): Use try_ready.
15359 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15360 * lists.c (remove_list_elem): Remove `static'.
15361 (remove_free_INSN_LIST_elem): New function.
15362 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15363 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15364 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15366 (readyp): New variable.
15367 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15368 change_queue_index, resolve_dep): New static functions.
15369 (try_ready): New function. Adjust callers in sched-rgn.c and
15370 sched-ebb.c to use it instead of ready_add.
15371 (clock_var): Move at the begining of file.
15372 (rank_for_schedule): Fix typo.
15373 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15374 (ready_lastpos): Enforce assertion.
15375 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15376 update all callers.
15377 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15378 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15379 (queue_to_ready): Use free_INSN_LIST_list.
15380 (early_queue_to_ready): Fix typo.
15381 (schedule_block): Init readyp. Move init_ready_list call after the
15382 initialization of clock_var. Fix error in rejecting insn by
15383 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15384 that previously corrected INSN_TICKs. Add code for handling
15386 (set_priorities): Fix typo.
15387 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15388 Clarify comment and code that keeps current_sched_info->next_tail
15391 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15393 * sched-rgn.c (extend_rgns): New static function.
15394 (find_rgns): Use it.
15395 (gather_region_statistics, print_region_statistics): New static
15397 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15398 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15400 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15401 Andrey Belevantsev <abel@ispras.ru>
15403 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15404 * lists.c (unused_deps_list): New variable.
15405 (free_list): Add assertions to verify the proper distinguishing
15406 between INSN_LISTs and DEPS_LISTs.
15407 (find_list_elem, remove_list_elem, remove_list_node): New static
15409 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15410 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15411 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15412 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15414 (free_INSN_LIST_node): Likewise.
15415 * modulo-sched.c (current_sched_info): Initialize flags field.
15416 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15417 * rtl.def (DEPS_LIST): Define.
15418 * rtl.h: Declare new functions from lists.c.
15419 * sched-deps.c (spec_dependency_cache): New static variable.
15420 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15421 (add_dependence): Change return type to void. Move the logic to ...
15422 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15423 (delete_all_dependences): Add comment about forward_dependency_cache.
15424 Handle spec_dependency_cache. Handle DEPS_LISTs.
15425 (fixup_sched_groups): Clarify the change of priority of output
15426 and anti dependencies.
15427 (sched_analyze_2): Adjust add_dependence calls to create data
15428 speculative dependence.
15429 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15430 Adjust all callers. Handle DEPS_LISTS.
15431 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
15432 presence of speculation.
15433 (init_dependency_caches, free_dependency_caches):
15434 Handle spec_dependency_cache.
15435 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
15436 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
15437 New static functions.
15438 (add_or_update_back_dep, add_or_update_back_forw_dep,
15439 add_back_forw_dep, delete_back_forw_dep): New functions.
15440 * sched-int.h (ds_t, dw_t): New typedefs.
15441 (struct sched_info): Add new field flags.
15442 (struct haifa_insn_data): Add new bitfield has_internal_dep.
15443 Prototype new sched-deps.c functions.
15444 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
15445 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
15446 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
15447 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
15448 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
15449 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
15451 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
15453 * sched-rgn.c (current_sched_info): Initialize flags field.
15454 (schedule_insns): Initialize current_sched_info before the sched_init
15456 * sched-ebb.c (current_sched_info): Initialize flags field.
15457 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
15458 Call add_or_update_back_dep instead of add_dependence.
15459 Create control speculative dependencies.
15460 (schedule_insns): Initialize current_sched_info before the sched_init
15463 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
15465 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
15467 (sh_fallback_frame_state): Likewise.
15469 2006-03-15 Geoffrey Keating <geoffk@apple.com>
15471 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
15472 Do switch on default_use_cxa_atexit.
15473 (powerpc*-*-darwin*): Build crt2.o on powerpc.
15474 * config/darwin-crt3.o: New.
15475 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
15476 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
15477 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
15479 * config/rs6000/t-darwin: Move crt2.o building to here.
15480 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
15481 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
15484 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15486 * config/vax/vax.c (nonindexed_address_p): Change logical negation
15487 from '! xxx' to '!xxx' for coding-style conformance.
15488 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
15489 (EXTRA_CONSTRAINT): Likewise.
15490 * config/vax/vax.md (four unnamed insns): Likewise.
15492 2006-03-15 Paul Brook <paul@codesourcery.com>
15494 * config/arm/arm.c (minipool_pad): New.
15495 (add_minipool_forward_ref): Include pool alignment padding in address
15497 (push_minipool_fix): Set minipool_pad.
15498 (minipool_pad): Ditto.
15500 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15502 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
15503 instead of GET_CODE() == MEM and REG_P() instead of
15505 (print_operand_address): Likewise.
15506 (vax_address_cost): Likewise.
15507 (vax_rtx_costs): Likewise.
15508 (vax_notice_update_cc): Likewise.
15509 (vax_output_int_add): Likewise.
15510 (INDEX_REGISTER_P): Likewise.
15511 (BASE_REGISTER_P): Likewise.
15512 (nonindexed_address_p): Likewise.
15513 (vax_mode_dependent_address_p): Likewise.
15514 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
15515 (PRINT_OPERAND): Likewise.
15516 * config/vax/vax.md (ashlsi3): Likewise.
15517 (ashlsi3): Likewise.
15518 (some more unnamed insns): Likewise.
15520 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
15522 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
15523 iterator-style macro.
15524 (mark_control_dependent_edges_necessary): Update the use of
15525 EXECUTE_IF_CONTROL_DEPENDENT.
15527 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
15529 * config/sh/predicates.md (cache_address_operand): Special.
15530 (ua_address_operand): Likewise.
15532 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
15534 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
15536 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
15538 2006-03-15 Andreas Schwab <schwab@suse.de>
15540 * gensupport.c (identify_predicable_attribute): Don't free p_false
15541 when it is still in use.
15543 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
15545 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
15546 the default setting here.
15548 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
15550 * tree-pass.h (pass_cfg): Remove.
15551 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
15552 * passes.c (pass_cfg): Don't run it.
15554 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
15556 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
15557 * reg-stack.c (stack_regs_mentioned_data): Change the type to
15559 (stack_regs_mentioned): Update the uses of
15560 stack_regs_mentioned_data. Don't access the array beyond its
15562 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
15563 Don't include gt-reg-stack.h.
15565 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15566 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15568 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
15570 PR middle-end/26684
15571 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
15574 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15576 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
15578 2006-03-14 Richard Guenther <rguenther@suse.de>
15580 PR tree-optimization/26672
15581 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
15584 2006-03-14 Richard Guenther <rguenther@suse.de>
15586 PR tree-optimization/26667
15587 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
15588 node for the callees. Always allow inlining if it will shrink
15591 2006-03-14 Richard Guenther <rguenther@suse.de>
15593 PR middle-end/26659
15594 * builtins.c (get_pointer_alignment): Prefer alignment
15595 information from decls over that from types.
15597 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
15600 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
15602 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
15604 * config/rs6000/rs6000.opt (mdlmzb): New option.
15605 (msched-prolog, msched-epilog): Use Var not Mask.
15606 * doc/invoke.texi (-mdlmzb): Document.
15607 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
15609 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
15610 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
15612 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
15614 PR rtl-optimization/25739
15615 * bt-load.c (augment_live_range): Free tos pointer.
15617 * gensupport.c (identify_predicable_attribute): Free
15619 * gcov.c (create_file_names): Free name pointer.
15621 2006-03-13 Roger Sayle <roger@eyesopen.com>
15623 PR middle-end/26557
15624 * stmt.c (emit_case_nodes): Handle the case where the index is a
15625 CONST_INT, where the comparison mode is specified by the index type.
15627 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15629 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
15632 2006-03-13 Richard Sandiford <richard@codesourcery.com>
15634 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
15635 (*branch_fp_inverted): Likewise.
15637 2006-03-13 Jakub Jelinek <jakub@redhat.com>
15639 PR middle-end/25989
15640 * omp-low.c (expand_omp_for_generic): Mark istart0
15641 and iend0 as addressable.
15643 2006-03-13 Jie Zhang <jie.zhang@analog.com>
15645 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
15647 2006-03-13 Jeff Law <law@redhat.com>
15649 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
15650 virtual operands are interesting.
15651 (vrp_visit_stmt): Corresponding changes.
15653 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
15655 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
15657 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
15658 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
15659 * config/bfin/crti.S: Use it instead of __PIC__.
15660 * config/bfin/crtn.S: Likewise.
15662 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
15663 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
15665 Lose 'G' modifier for call operand.
15666 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
15667 recognize 'G' modifier.
15669 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
15671 PR middle-end/18859
15672 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
15673 * stmt.c (expand_case): Likewise.
15675 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15677 PR rtl-optimization/26254
15678 * loop-invariant.c (seq_insns_valid_p): New function.
15679 (move_invariant_reg): Only emit new code if it is valid.
15681 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15683 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
15685 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
15686 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
15687 (commit_one_edge_insertion): Do not look for loop notes.
15689 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15691 * jump.c (follow_jumps): Do not check for loop notes. Move check for
15692 flag_test_coverage out of loop.
15694 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15696 * final.c (shorten_branches): Remove outdated comment, and turn
15697 the if branch that guards it to continue.
15699 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15701 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
15702 * cfgloop.h (struct loop): Remove unused fields.
15704 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
15706 * doc/invoke.texi (-fdump-rtl-loop): Remove.
15707 (-dL, -fdump-rtl-loop2): Update the dump file names
15709 * doc/invoke.texi: Update dump file names.
15711 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
15713 * predict.c (estimate_probability): Remove.
15714 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
15715 * basic-block.h (estimate_probability): Remove prototype.
15716 * passes.c (finish_optimization_passes): Dump branch prediction or
15717 profiling heuristics to the .profile tree dump.
15718 (init_optimization_passes): Unqueue pass_branch_prob.
15720 * doc/invoke.texi (-fdump-rtl-bp): Remove.
15722 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15724 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
15725 * rtl.h (LABEL_NEXTREF): Remove field accessor.
15727 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
15729 * function.h (frame_offset_overflow): Declare.
15730 * function.c (frame_offset_overflow): New function.
15731 (assign_stack_local_1): Call it to detect that the offset overflows.
15732 * cfgexpand.c (alloc_stack_frame_space): Likewise.
15734 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15736 * config/sh/sh.c: Include alloc-pool.h.
15737 (label_ref_list_pool): New alloc pool.
15738 (label_ref_list_t): New type for lists of labels.
15739 (struct pool_node): Make wend a label_ref_list_t.
15740 (add_constant): Use the new type, eradicate LABEL_NEXTREF
15742 (dump_table): Likewise.
15743 (sh_reorg): Set up the alloc pool before using add_constant and
15744 dump_table, and destroy it when finishing.
15746 2006-03-11 Richard Sandiford <richard@codesourcery.com>
15748 * config/mips/mips.c: Remove redundant comment.
15750 2006-03-10 Jason Merrill <jason@redhat.com>
15753 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
15754 the target was declared 'register'.
15756 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
15758 * genpreds.c (write_insn_constraint_len): Change definition of
15759 insn_constraint_len to return size_t to match the declaration.
15761 2006-03-10 DJ Delorie <dj@redhat.com>
15763 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
15765 (m32c_expand_insv): Fix test for an AND mask.
15767 2006-03-10 Richard Guenther <rguenther@suse.de>
15769 PR middle-end/26565
15770 * builtins.c (get_pointer_alignment): Handle component
15771 references for field alignment.
15773 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15775 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
15776 when building with libgloss.
15777 (sh*elf): Implement --without-fp option.
15778 (sh64-superh-linux*): Don't multilib.
15780 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15782 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
15784 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
15786 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
15787 Set it when one of the replacement functions returned true.
15788 Return TODO_cleanup_cfg if cfgchanged is true.
15789 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
15791 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
15793 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
15794 instead of gen_lowpart.
15796 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15798 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
15800 (mips_output_order_conditional_branch): Declare.
15801 * config/mips/mips.h (MIPS_BRANCH): New macro.
15802 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
15803 for the comparison. Use gen_condjump.
15804 (mips_output_conditional_branch): Rework interface to take the
15805 asm templates for a direct branch and the inverse of a direct branch.
15806 (mips_output_order_conditional_branch): New function.
15807 (mips_builtin_branch_and_move): New function.
15808 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
15809 branch condition. Use gen_single_cc as the condition for
15810 __builtin_mips_upper_* or __builtin_mips_lower_*.
15811 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
15812 Use VOIDmode for the branch condition.
15813 * config/mips/predicates.md (order_operator): New predicate.
15814 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
15815 (branch_fp): Rename to...
15816 (*branch_fp): ...this. Remove mode from comparison operator.
15817 Use new mips_output_conditional_branch interface.
15818 (branch_fp_inverted): Rename to...
15819 (*branch_fp_inverted): ...this and update as for *branch_fp.
15820 (*branch_zero<mode>): Rename to...
15821 (*branch_order<mode>): ...this. Remove mode from comparison operator.
15822 Use mips_output_order_conditional_branch. Only accept ordered
15824 (*branch_zero<mode>_inverted): Rename to...
15825 (*branch_order<mode>_inverted): ...this and update as for
15826 *branch_order<mode>.
15827 (*branch_equality<mode>): Accept zero as the second operand to
15828 the equality operator. Use the new mips_output_conditional_branch
15830 (*branch_equality<mode>_inverted): Likewise.
15831 (condjump): New expander.
15832 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
15834 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
15835 (bc1any2t, bc1any2f): Likewise.
15836 (single_cc): New expander.
15837 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
15839 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15841 * doc/md.texi: Update documentation of MIPS constraints.
15842 * config/mips/constraints.md: New file.
15843 * config/mips/mips.md: Include it.
15844 * config/mips/mips.c (mips_char_to_class): Delete.
15845 (override_options): Don't initialize mips_char_to_class.
15846 * config/mips/mips.h (mips_char_to_class): Delete.
15847 (REG_CLASS_FROM_LETTER): Delete.
15848 (CONST_OK_FOR_LETTER_P): Delete.
15849 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15850 (EXTRA_CONSTRAINT_Y): Delete.
15851 (EXTRA_CONSTRAINT_STR): Delete.
15852 (CONSTRAINT_LEN): Delete.
15853 (EXTRA_MEMORY_CONSTRAINT): Delete.
15855 2006-03-09 Diego Novillo <dnovillo@redhat.com>
15857 * tree-cfg.c (move_block_to_fn): Remove the statements from the
15858 original fn's eh regions.
15860 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
15862 * fold-const.c (build_range_check): Make sure to use a valid type to
15863 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
15866 (range_predecessor): New static function.
15867 (range_successor): Likewise.
15868 (merge_ranges): Use them to compute predecessors and successors of
15871 2006-03-09 Roger Sayle <roger@eyesopen.com>
15873 PR middle-end/26561
15874 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
15875 X op C3, consider whether C3 overflows towards +Inf or -Inf.
15877 2006-03-08 DJ Delorie <dj@redhat.com>
15879 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
15880 (addpsi3): Expand to include memory operands. Remove
15881 reload-specific splits.
15882 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
15883 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
15884 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
15885 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
15886 (shift1_qi, shift1_hi, insv): New.
15887 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
15888 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
15889 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
15891 * config/m32c/m32c-protos.h: Update as needed.
15892 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
15893 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
15894 Fail for unrecognized R* constraints.
15895 (m32c_cannot_change_mode_class): Be more picky about pseudos.
15896 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
15897 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
15899 (m32c_init_libfuncs): New.
15900 (m32c_legitimate_address_p): Add debug wrapper.
15901 (m32c_rtx_costs): New.
15902 (m32c_address_cost): New.
15903 (conversions): Add 'B' prefix.
15904 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
15905 operands, or word regnames for QI operands. 'B' prints bit
15907 (m32c_expand_setmemhi): New.
15908 (m32c_expand_movmemhi): New.
15909 (m32c_expand_movstr): New.
15910 (m32c_expand_cmpstr): New.
15911 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
15912 (m32c_expand_neg_mulpsi3): Handle non-ints.
15913 (m32c_cmp_flg_0): New.
15914 (m32c_expand_movcc): New.
15915 (m32c_expand_insv): New.
15916 (m32c_scc_pattern): New.
15917 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
15918 a0/a1 out of SIregs.
15919 (STORE_FLAG_VALUE): New.
15920 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
15923 * config/m32c/mov.md: Make constraints more liberal.
15924 (zero_extendqihi2): Optimize r0/r1 case.
15925 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
15926 * config/m32c/predicates.md (m32c_any_operand): New.
15927 (m32c_nonimmediate_operand): New.
15928 (m32c_hl_operand): New.
15929 (m32c_r3_operand): New.
15932 (memsym_operand): New.
15933 (memimmed_operand): New.
15934 (a_qi_operand): New.
15935 (m32c_eqne_operator): New.
15936 (m32c_1bit8_operand): New.
15937 (m32c_1bit16_operand): New.
15938 (m32c_1mask8_operand): New.
15939 (m32c_1mask16_operand): New.
15940 * config/m32c/blkmov.md: New file.
15941 * config/m32c/t-m32c (MD_FILES): Add blkmov.
15943 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
15945 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
15946 unsigned to fix signed/unsigned comparison issue in
15947 DWARF2_FRAME_REG_OUT.
15948 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
15949 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
15951 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
15952 of ptr into the ENABLE_CHECKING section.
15954 2006-03-08 Jeff Law <law@redhat.com>
15956 * tree-vrp.c (infer_value_range): Only count pointer uses
15957 and dereferences if -fdelete-null-pointer-checks is enabled.
15959 * tree-vrp.c (find_assert_locations): Infer value ranges for
15960 single use pointers, but do not create ASSERT_EXPRs for them.
15961 When a non-null range is inferred for a pointer, backwards
15962 propagate that range to other equivalent pointers through the
15965 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
15968 * Makefile.in (dvi, html, install-info): Invoke the corresponding
15969 language hook targets.
15970 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
15971 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
15972 if language hook targets were missing.
15974 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
15976 * tree-ssa-opfinalize.h: Removed.
15977 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
15979 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
15980 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
15981 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
15982 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
15983 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
15984 finalize_ssa_v_must_def_ops): New.
15986 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
15988 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
15989 block as parameter.
15991 2006-03-07 Geoffrey Keating <geoffk@apple.com>
15993 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
15995 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
15996 addresses with offsets; reorganize.
15998 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
15999 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16000 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16002 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16005 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16007 2006-03-08 Ben Elliston <bje@au.ibm.com>
16009 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16011 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16014 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16017 2006-03-07 Richard Guenther <rguenther@suse.de>
16019 PR tree-optimization/26587
16020 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16022 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16024 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16026 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16028 * hooks.c (hook_bool_mode_rtx_true): New function.
16029 * hooks.h (hook_bool_mode_rtx_true): Declare.
16030 * toplev.c (compile_file): Call output_shared_constant_pool.
16031 * varasm.c (shared_constant_pool): New variable.
16032 (assemble_start_function, assemble_end_function): Remove arguments
16033 from call to output_constant_pool.
16034 (create_constant_pool): New function, split out from...
16035 (init_varasm_status): ...here.
16036 (force_const_mem): Choose between the shared and per-function constant
16037 pools. Set current_function_uses_const_pool when reusing old entries
16038 as well as when creating new ones.
16039 (mark_constant): Ignore data argument.
16040 (mark_constants): Remove pool argument.
16041 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16042 to decide whether the function uses a constant pool.
16043 (output_constant_pool_contents): New function, split out from...
16044 (output_constant_pool): ...here.
16045 (output_shared_constant_pool): New function.
16046 (init_varasm_once): Initialize shared_constant_pool.
16047 * output.h (output_constant_pool): Delete.
16048 (output_shared_constant_pool): Declare.
16049 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16050 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16052 2006-03-06 Nick Clifton <nickc@redhat.com>
16054 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16055 flag_strength_reduce.
16057 2006-03-06 Ben Elliston <bje@au.ibm.com>
16059 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16060 x86_64-*-linux* configurations.
16062 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16063 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16065 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16067 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16069 * basic-block.h: Remove the extern for
16070 rediscover_loops_after_threading.
16072 * cfgloop.c (cancel_loop): Make it static.
16073 * cfgloop.h: Remove the prototype for cancel_loop.
16075 * flow.c (recompute_reg_usage): Make it static.
16076 * rtl.h: Remove the prototype for recompute_reg_usage.
16078 * function.c (use_return_register): Make it static.
16079 * function.h: Remove the prototype.
16081 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16083 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16085 * recog.h: Remove the prototype for
16086 validate_change_maybe_volatile.
16088 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16090 * rtlanal.c (replace_reg): Remove.
16091 * rtl.h: Remove the prototype for replace_reg.
16093 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16095 * regclass.c (reg_scan_update): Remove.
16096 (reg_scan_mark_refs): Remove the last argument.
16097 * rtl.h: Remove the prototype for reg_scan_update.
16099 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16101 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16102 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16103 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16104 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16105 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16106 loop-invariant.c, omp-low.c, opts.c, passes.c,
16107 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16108 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16109 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16110 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16111 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16112 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16114 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16116 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16117 * dwarf2out.h: Remove the prototype for
16118 dwarf2out_add_library_unit_info.
16120 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16122 * tree.c (add_var_to_bind_expr): Remove.
16123 * tree.h: Remove the prototype for add_var_to_bind_expr.
16125 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16127 * regclass.c (n_non_fixed_regs): Remove.
16128 (init_reg_sets_1, globalize_reg): Remove all uses of
16130 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16132 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16134 * rtlanal.c (insns_safe_to_move_p): Remove.
16135 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16137 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16139 * expmed.c (expand_mult_add): Remove.
16140 * expr.h: Remove the prototype for expand_mult_add.
16142 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16144 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16145 and REG_SAVED_VAL_EXP constants.
16146 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16147 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16148 Handle regs stored by value.
16149 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16150 (execute_cfa_program): Handle DW_CFA_val_offset,
16151 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16152 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16153 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16154 (uw_install_context_1): Handle target regs stored by value.
16156 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16158 * tree-sra.c (tree_sra): Return todoflags;
16159 (generate_one_element): Set TODO_update_smt_usage if needed.
16160 (pass_sra): Remove TODO_update_smt_usage.
16161 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16163 (tree_ssa_forward_propagate_single_use_vars): Return
16164 TODO_update_smt_usage if we need to update SMT usage.
16165 (pass_forwprop): Remove TODO_update_smt_usage.
16167 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16169 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16170 (correct_use_link): Remove reference to get_stmt_operands.
16171 (update_stmt_operands): Likewise.
16172 (get_modify_expr_operands): New function factored out of
16173 parse_ssa_operands and get_expr_operands.
16174 Try to create V_MUST_DEFs for LHS by default.
16175 (get_expr_operands) <case MODIFY_EXPR>: Call
16176 get_modify_expr_operands.
16177 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16178 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16179 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16180 get_modify_expr_operands.
16182 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16184 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16185 * tree-flow.h: Remove the prototype for
16186 referenced_var_lookup_if_exists.
16188 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16190 PR rtl-optimization/26345
16192 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16194 2006-03-03 Roger Sayle <roger@eyesopen.com>
16196 PR tree-optimization/26524
16197 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16198 fold_convert to create a constant of the appropriate type.
16200 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16202 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16203 SYMBOL_REF_IN_BLOCK_P.
16204 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16205 of SYMBOL_FLAG_IN_BLOCK.
16206 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16207 instead of SYMBOL_REF_IN_BLOCK_P.
16208 * explow.c (use_anchored_address): Likewise.
16209 * rtl.c (rtx_size): Likewise.
16210 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16211 instead of SYMBOL_FLAG_IN_BLOCK.
16212 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16213 SYMBOL_REF_IN_BLOCK_P.
16214 (assemble_variable): Likewise.
16215 (output_constant_def_contents): Likewise.
16216 (output_constant_pool): Likewise.
16217 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16218 instead of SYMBOL_FLAG_IN_BLOCK.
16219 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16220 SYMBOL_REF_IN_BLOCK_P.
16221 (SYMBOL_REF_BLOCK): Likewise.
16222 (SYMBOL_REF_OFFSET): Likewise.
16223 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16224 SYMBOL_REF_IN_BLOCK_P.
16225 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16226 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16227 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16228 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16230 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16232 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16234 2006-03-02 Roger Sayle <roger@eyesopen.com>
16236 * simplify-rtx.c (simplify_unary_operation): When simplifying
16237 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16238 that we perform the right shift in the appropriate mode, and
16239 then extend or truncate the result to requested mode.
16241 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16243 * gengtype.c (main): Handle double_int type.
16244 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16245 * double-int.c: New file.
16246 * double-int.h: New file.
16247 * system.h: Include doubleint.h.
16248 * Makefile.in (SYSTEM_H): Include double-int.h.
16249 (double-int.o): Add.
16251 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16254 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16257 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16259 * tree-vrp.c (remove_range_assertions): Do not update statements
16262 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16264 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16266 * gcse.c (rest_of_handle_gcse): Ditto.
16267 * except.c (gate_handle_eh): Ditto.
16268 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16269 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16271 2006-03-02 Eric Christopher <echristo@apple.com>
16273 * config/i386/i386.c (machopic_output_stub): Add indirection to
16276 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16280 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16282 Sun Niagara specific optimizations.
16283 * config.gcc: Recognize niagara as target.
16284 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16285 (TARGET_CPU_niagara): Define.
16286 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16287 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16288 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16289 (ASM_CPU_SPEC): Likewise.
16290 (PROCESSOR_NIAGARA): New enum entry.
16291 (REGISTER_MOVE_COST): Handle Niagara.
16292 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16293 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16294 (sparc_override_options): Recognize "niagara", set appropriate
16295 default MASK_* values for it, and align functions to 32-bytes
16296 by default just like ULTRASPARC/ULTRASPARC3.
16297 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16298 (sparc64_initialize_trampoline): Likewise.
16299 (sparc_use_sched_lookahead): Use zero for niagara.
16300 (sparc_issue_rate): Use one for niagara.
16301 * config/sparc/niagara.md: New file.
16302 * config/sparc/sparc.md: Include it.
16303 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16304 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16305 when default cpu is niagara.
16306 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16307 (ASM_CPU_SPEC): Likewise.
16308 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16309 when default cpu is niagara.
16310 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16311 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16312 just like v9/ultrasparc/ultrasparc3.
16313 * doc/invoke.texi: Add documentation for "niagara" and improve
16314 existing documentation for ultrasparc variants.
16316 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16318 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16320 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16322 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16323 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16324 and say that only one is needed.
16325 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16326 * target.h (have_switchable_bss_sections): New hook.
16327 * explow.c (use_anchored_address): Check that the symbol is in a block.
16328 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16329 (bss_noswitch_section): New variables.
16330 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16331 (get_noswitch_section): New function.
16332 (get_block_for_section): Allow SECT to be null.
16333 (unlikely_text_section_p): Use SECTION_STYLE.
16334 (bss_initializer_p): New function.
16335 (get_variable_section): Move earlier in file. Take a new argument,
16336 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16337 Return one of the new *_sections in such cases.
16338 (get_block_for_decl): New function, extracting some logic from
16339 use_blocks_for_decl_p.
16340 (change_symbol_section): Remove in favor of...
16341 (change_symbol_block): ...this new function.
16342 (use_blocks_for_decl_p): Remove checks now performed by
16343 get_block_for_decl.
16344 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16345 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16346 (emit_local, emit_bss, emit_common): ...these new functions.
16347 Return true if the alignment was honored.
16348 (emit_tls_common): New function.
16349 (asm_emit_uninitialised): Delete.
16350 (assemble_variable_noswitch): New function, split out from...
16351 (assemble_variable): ...here. Don't make decisions about common
16352 variables here. Globalize all public decls that go into non-common
16353 sections. Check whether SYMBOL_REF_BLOCK is null.
16354 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16355 (output_constant_pool): Likewise.
16356 (init_varasm_once): Initialize the new section variables.
16357 (have_global_bss_p): New function.
16358 (categorize_decl_for_section): Use bss_initializer_p.
16359 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16360 (place_block_symbol): Assert that the symbol must be in a block.
16361 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16362 (TARGET_INITIALIZER): Include it.
16363 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16364 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16365 (SECTION_MACH_DEP): Bump by two.
16366 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16367 (unnamed_section): Mention SECTION_UNNAMED in comment.
16368 (named_section): Likewise SECTION_NAMED.
16369 (noswitch_section_callback): New type.
16370 (noswitch_section): New structure.
16371 (section): Add a noswitch_section alternative.
16372 (SECTION_STYLE): New macro.
16373 (tls_comm_section, comm_section, lcomm_section): Declare.
16374 (bss_noswitch_section, have_global_bss_p): Declare.
16375 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16376 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16378 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16379 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16382 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16384 * tree-vrp.c (execute_vrp): Return value.
16385 * regrename.c (rest_of_handle_regrename): Ditto.
16386 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16387 * tree-complex.c (tree_lower_complex): Ditto.
16388 (tree_lower_complex_O0): Ditto.
16389 * tracer.c (rest_of_handle_tracer): Ditto.
16390 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16391 * postreload.c (rest_of_handle_postreload): Ditto.
16392 * tree-tailcall.c (execute_tail_recursion): Ditto.
16393 (execute_tail_calls): Ditto.
16394 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16395 * tree.h (init_function_for_compilation): Ditto.
16396 * ipa-cp.c (ipcp_driver): Ditto.
16397 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16398 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16399 * final.c (compute_alignments): Ditto.
16400 (rest_of_handle_final): Ditto.
16401 (rest_of_handle_shorten_branches): Ditto.
16402 (rest_of_clean_state): Ditto.
16403 * omp-low.c (execute_expand_omp): Ditto.
16404 (execute_lower_omp): Ditto.
16405 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16406 * ipa-reference.c (static_execute): Ditto.
16407 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16408 * reorg.c (rest_of_handle_delay_slots): Ditto.
16409 (rest_of_handle_machine_reorg): Ditto.
16410 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16411 * flow.c (recompute_reg_usage): Ditto.
16412 (rest_of_handle_remove_death_notes): Ditto.
16413 (rest_of_handle_life): Ditto.
16414 (rest_of_handle_flow2): Ditto.
16415 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16416 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16417 (do_ssa_store_ccp): Ditto.
16418 (execute_fold_all_builtins): Ditto.
16419 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16420 * modulo-sched.c (rest_of_handle_sms): Ditto.
16421 * ipa-pure-const.c (static_execute): Ditto.
16422 * cse.c (rest_of_handle_cse): Ditto.
16423 (rest_of_handle_cse2): Ditto.
16424 * web.c (rest_of_handle_web): Ditto.
16425 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16426 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16427 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16428 * tree-nrv.c (tree_nrv): Ditto.
16429 (execute_return_slot_opt): Ditto.
16430 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16431 (create_structure_vars): Ditto.
16432 * loop-init.c (rtl_loop_init): Ditto.
16433 (rtl_loop_done): Ditto.
16434 (rtl_move_loop_invariants): Ditto.
16435 (rtl_unswitch): Ditto.
16436 (rtl_unroll_and_peel_loops): Ditto.
16437 (rtl_doloop): Ditto.
16438 * gimple-low.c (lower_function_body): Ditto.
16439 (mark_used_blocks): Ditto.
16440 * tree-ssa-sink.c (execute_sink_code): Ditto.
16441 * ipa-inline.c (cgraph_decide_inlining): Ditto.
16442 (cgraph_early_inlining): Ditto.
16443 * global.c (rest_of_handle_global_alloc): Ditto.
16444 * jump.c (cleanup_barriers): Ditto.
16445 (purge_line_number_notes): Ditto.
16446 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
16447 (rest_of_handle_if_after_reload): Ditto.
16448 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
16449 (tree_ssa_loop_im): Ditto.
16450 (tree_ssa_loop_unswitch): Ditto.
16451 (tree_vectorize): Ditto.
16452 (tree_linear_transform): Ditto.
16453 (tree_ssa_loop_ivcanon): Ditto.
16454 (tree_ssa_empty_loop): Ditto.
16455 (tree_ssa_loop_bounds): Ditto.
16456 (tree_complete_unroll): Ditto.
16457 (tree_ssa_loop_prefetch): Ditto.
16458 (tree_ssa_loop_ivopts): Ditto.
16459 (tree_ssa_loop_done): Ditto.
16460 * predict.c (tree_estimate_probability): Ditto.
16461 * recog.c (split_all_insns_noflow): Ditto.
16462 (rest_of_handle_peephole2): Ditto.
16463 (rest_of_handle_split_all_insns): Ditto.
16464 * tree-eh.c (lower_eh_constructs): Ditto.
16465 * regmove.c (rest_of_handle_regmove): Ditto.
16466 (rest_of_handle_stack_adjustments): Ditto.
16467 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
16468 * function.c (instantiate_virtual_regs): Ditto.
16469 (init_function_for_compilation): Ditto.
16470 (rest_of_handle_check_leaf_regs): Ditto.
16471 * gcse.c (rest_of_handle_jump_bypass): Ditto.
16472 (rest_of_handle_gcse): Ditto.
16473 * ipa-type-escape.c (type_escape_execute): Ditto.
16474 * alias.c (rest_of_handle_cfg): Ditto.
16475 * tree-if-conv.c (main_tree_if_conversion): Ditto.
16476 * profile.c (rest_of_handle_branch_prob): Ditto.
16477 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
16478 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
16479 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
16480 * tree-dfa.c (find_referenced_vars): Ditto.
16481 * except.c (set_nothrow_function_flags): Ditto.
16482 (convert_to_eh_region_ranges): Ditto.
16483 (rest_of_handle_eh): Ditto.
16484 * emit-rtl.c (unshare_all_rtl): Ditto.
16485 (remove_unnecessary_notes): Ditto.
16486 * except.h (set_nothrow_function_flags): Ditto.
16487 (convert_to_eh_region_ranges): Ditto.
16488 * cfgexpand.c (tree_expand_cfg): Ditto.
16489 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
16490 * tree-ssa-pre.c (do_pre): Ditto.
16491 (execute_fre): Ditto.
16492 * cfgcleanup.c (rest_of_handle_jump): Ditto.
16493 (rest_of_handle_jump2): Ditto.
16494 * tree-sra.c (tree_sra): Ditto.
16495 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
16496 (execute_mudflap_function_decls): Ditto.
16497 * tree-ssa-copy.c (do_copy_prop): Ditto.
16498 (do_store_copy_prop): Ditto.
16499 * ipa-prop.h (ipcp_driver): Ditto.
16500 * cfglayout.c (insn_locators_initialize): Ditto.
16501 * tree-ssa-forwprop.c
16502 (tree_ssa_forward_propagate_single_use_vars): Ditto.
16503 * cfglayout.h (insn_locators_initialize): Ditto.
16504 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
16505 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
16506 (execute_late_warn_uninitialized): Ditto.
16507 * rtl.h (cleanup_barriers): Ditto.
16508 (split_all_insns_noflow): Ditto.
16509 (purge_line_number_notes): Ditto.
16510 (unshare_all_rtl): Ditto.
16511 (remove_unnecessary_notes): Ditto.
16512 (recompute_reg_usage): Ditto.
16513 (variable_tracking_main): Ditto.
16514 * integrate.c (emit_initial_value_sets): Ditto.
16515 * integrate.h (emit_initial_value_sets): Ditto.
16516 * tree-optimize.c (execute_free_datastructures): Ditto
16517 (execute_free_cfg_annotations): Ditto.
16518 (execute_fixup_cfg): Ditto.
16519 (execute_cleanup_cfg_pre_ipa): Ditto.
16520 (execute_cleanup_cfg_post_optimizing): Ditto.
16521 (execute_init_datastructures): Ditto.
16522 * tree-object-size.c (compute_object_sizes): Ditto.
16523 * combine.c (rest_of_handle_combine): Ditto.
16524 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
16525 * bb-reorder.c (duplicate_computed_gotos): Ditto.
16526 (rest_of_handle_reorder_blocks): Ditto.
16527 (rest_of_handle_partition_blocks): Ditto.
16528 * var-tracking.c (variable_tracking_main): Ditto.
16529 * tree-profile.c (tree_profiling): Ditto.
16530 * tree-vect-generic.c (expand_vector_operations): Ditto.
16531 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
16532 * sched-rgn.c (rest_of_handle_sched): Ditto.
16533 (rest_of_handle_sched2): Ditto.
16534 * basic-block.h (free_bb_insn): Ditto.
16535 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
16536 * tree-cfg.c (execute_build_cfg): Ditto.
16537 (remove_useless_stmts): Ditto.
16538 (split_critical_edges): Ditto.
16539 (execute_warn_function_return): Ditto.
16540 (execute_warn_function_noreturn): Ditto.
16541 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
16542 * cfgrtl.c (free_bb_for_insn): Ditto.
16543 * passes.c (execute_one_pass): Run additional
16544 todos returned by execute function.
16545 * tree-pass.h (struct tree_opt_pass): Make execute
16548 2006-03-02 Richard Guenther <rguenther@suse.de>
16550 * tree-ssa-alias.c (find_used_portions): Consider taking
16551 the address as making the variable not write-only.
16553 2006-03-02 Nick Clifton <nickc@redhat.com>
16555 * config.gcc (default_use_cxa_atexit): Extend the description of
16556 this configure variable. Set its default value to "yes" for
16557 Linux, NetBSD and ELF targets on the assumption that they will
16558 use C libraries with the __cxa_atexit function.
16560 2006-03-02 Ben Elliston <bje@au.ibm.com>
16562 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16563 parameter as unused to suppress a build warning.
16565 2006-03-02 Ben Elliston <bje@au.ibm.com>
16567 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
16570 2006-03-01 Roger Sayle <roger@eyesopen.com>
16573 * gthr-posix.h (__gthrw2): Define to take three parameters, the
16574 declared name, the weak reference name, and the typeof name.
16575 (__gthrw): Avoid expanding the declared name suffix.
16576 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
16578 2006-03-01 Jakub Jelinek <jakub@redhat.com>
16580 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
16582 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
16583 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
16584 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
16585 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
16586 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
16587 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
16588 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
16589 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
16590 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
16591 DW_DS_leading_separate, DW_DS_trailing_separate): New.
16592 (DW_END_default, DW_END_big, DW_END_little): New.
16593 (DW_END_lo_user, DW_END_hi_user): Define.
16594 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
16595 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
16596 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
16599 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16601 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
16603 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
16605 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
16607 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
16609 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
16610 to 'symbol_mem_tag'.
16612 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
16615 2006-03-01 Roger Sayle <roger@eyesopen.com>
16617 * builtins.c (fold_builtin_copysign): Delete unreachable code.
16619 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16622 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
16623 MACHO_DYNAMIC_NO_PIC_P.
16624 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
16626 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16629 * config/darwin-protos.h (darwin_asm_output_anchor):
16631 * config/darwin-sections.def (cstring_section):
16632 Add SECTION_MERGE to the flags.
16633 (literal4_section): Likewise.
16634 (literal8_section): Likewise.
16635 (objc_selector_refs_section): Likewise.
16636 (objc_cls_refs_section): Likewise.
16637 * config/darwin.c (darwin_asm_output_anchor): New
16639 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16641 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
16643 Fix PR tree-optimization/26443
16644 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
16645 to todo and PROP_tmt_usage to properties_destroyed.
16646 * tree-ssa-ccp.c (pass_ccp): Ditto.
16647 (pass_store_ccp): Ditto.
16648 * tree-ssa-dom.c (pass_dominator): Ditto.
16650 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16652 * tree-ssa-operands.c: Cleanup whitespace.
16653 (get_asm_expr_operands): Move before first invocation.
16654 (get_indirect_ref_operands): Likewise.
16655 (get_tmr_operands): Likewise.
16656 (get_call_expr_operands): Likewise.
16657 (append_def): Likewise.
16658 (append_use): Likewise.
16659 (append_v_may_def): Likewise.
16660 (append_v_must_def): Likewise.
16661 (add_call_clobber_ops): Likewise.
16662 (add_call_read_ops): Likewise.
16663 (add_stmt_operand): Likewise.
16664 (add_virtual_operand): Likewise.
16665 (build_ssa_operands): Likewise.
16667 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16669 PR middle-end/26022
16671 PR middle-end/24437
16672 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16673 with a call expr to ...
16674 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16676 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16678 * tree-vrp.c (extract_range_from_assert): Remove special
16679 handling for types with super-types.
16681 2006-03-01 Ben Elliston <bje@au.ibm.com>
16683 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
16684 and powerpc64-*-linux* configurations.
16685 * config/t-dfprules: New file.
16687 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
16688 Compile dfp-bit.c from the source directory using -DWIDTH and
16689 $DFP_CFLAGS to control the compilation of that file, rather than
16690 generating width-specific versions in the build directory.
16691 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
16692 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
16694 2006-02-28 Zack Weinberg <zackw@panix.com>
16696 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
16699 2006-02-28 Eric Christopher <echristo@apple.com>
16701 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
16702 Set up IN_LIBGCC definition of TARGET_64BIT.
16703 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
16705 2006-02-28 Roger Sayle <roger@eyesopen.com>
16707 PR middle-end/14752
16708 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
16709 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
16710 cases via the construction of "expr != 0".
16712 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
16714 * alias.c (alias_invariant, alias_invariant_size): Remove.
16715 (record_base_value): Remove.
16716 (memrefs_conflict_p): Don't look at alias_invariant.
16717 (end_alias_analysis): Don't free it.
16718 * alias.h (record_base_value): Remove prototype.
16720 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
16721 Adam Nemet <anemet@caviumnetworks.com>
16723 * rtl.h (truncated_to_mode): Declare it.
16724 (struct rtl_hooks): Add reg_truncated_to_mode hook.
16725 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
16726 (RTL_HOOKS_INITIALIZER): Include it.
16727 * rtlhooks.c (reg_truncated_to_mode_general): New function.
16728 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
16729 reg_truncated_to_mode.
16730 * rtlanal.c (truncated_to_mode): Define it.
16731 * simplify-rtx.c (simplify_unary_operation_1): Use it.
16733 2006-02-28 Jeff Law <law@redhat.com>
16735 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
16736 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
16737 the range allowed by TYPE_PRECISION.
16739 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
16741 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
16743 PR tree-optimization/26419
16744 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
16747 2006-02-27 Zack Weinberg <zackw@panix.com>
16749 * doc/md.texi: Fix typo in previous change.
16751 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
16755 2006-02-27 Zack Weinberg <zackw@panix.com>
16757 * rtl.def (define_constraint, define_register_constraint)
16758 (define_memory_constraint, define_address_constraint): New MD forms.
16759 * gensupport.c (process_rtx): Put define_constraint etc on the
16761 * genpreds.c (process_define_predicate): Adjust comment. Validate
16762 the name, and call validate_exp to validate the expression.
16763 (mark_mode_tests, write_extract_subexp): Can assume correct input.
16764 (write_predicate_expr): Likewise. NAME argument no longer necessary;
16765 all callers changed.
16766 (validate_exp, needs_variable, struct constraint_data)
16767 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
16768 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
16769 (const_dbl_constraints, constraint_max_namelen)
16770 (have_register_constraints, have_memory_constraints)
16771 (have_address_constraints, have_address_constraints)
16772 (have_extra_constraints, have_const_int_constraints)
16773 (have_const_dbl_constraints, mangle, add_constraint)
16774 (process_define_constraint, process_define_register_constraint)
16775 (write_enum_constraint_num, write_lookup_constraint)
16776 (write_insn_constraint_len, write_regclass_for_constraint)
16777 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
16778 (write_insn_extra_memory_constraint)
16779 (write_insn_extra_address_constraint)
16780 (write_satisfies_constraint_fns): New.
16781 (write_tm_preds_h): If we have new-style constraint definitions,
16782 prototype the functions generated from them, and define the
16783 old constraint interface (still used by generic code) in terms of
16785 (write_insn_preds_c): If we have new-style constraint definitions,
16786 generate all relevant functions from those definitions.
16787 (main): Handle define_constraint etc.
16788 * genoutput.c (struct constraint_data, indep_constraints)
16789 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
16790 (mdep_constraint_len): New data structures and functions, defined
16791 #ifdef USE_MD_CONSTRAINTS.
16792 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
16793 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
16794 use new logic to validate operand constraints against constraint
16796 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
16798 * defaults.h: If none of the old-style constraint macros are
16799 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
16800 old-style macros; and poison REG_CLASS_FROM_LETTER,
16801 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
16803 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
16804 * doc/md.texi: Document new constraint-definition mechanism and the
16805 C interface it provides. Remove references to old mechanism
16806 elsewhere in the document.
16807 (Machine Constraints): Use pathnames relative to gcc directory,
16808 i.e. config/ARCH/FILE. Change i386 section to refer to
16809 config/i386/predicates.md; update that section to match docstrings.
16810 * doc/tm.texi: Move all documentation of the old constraint-
16811 definition macros to their own section, clearly mark as obsolete.
16813 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
16814 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
16816 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
16817 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
16818 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
16819 constraint strings.
16820 (splits and peepholes): Use satisfies_constraint_*.
16821 * config/i386/i386.c (memory_address_length)
16822 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
16824 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16826 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
16827 scalar operation to be put back into the loop.
16829 2006-02-27 Jakub Jelinek <jakub@redhat.com>
16832 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
16833 (extract_cie_info): Handle S flag in augmentation string.
16834 (execute_cfa_program): If context->signal_frame, execute also
16835 fs->pc == context->ra instructions.
16836 (uw_frame_state_for): If context->signal_frame, don't subtract one
16837 from context->ra to find FDE.
16838 (uw_update_context_1): Set context->signal_frame to
16840 (_Unwind_GetIPInfo): New function.
16841 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
16842 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
16844 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
16845 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
16846 * unwind-compat.c (_Unwind_GetIPInfo): New function.
16847 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
16848 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
16849 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
16850 * config/i386/linux-unwind.h (x86_fallback_frame_state,
16851 x86_64_fallback_frame_state): Set fs->signal_frame.
16852 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
16853 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
16854 (frob_update_context): Likewise. Workaround missing S flag in
16855 Linux 2.6.12 - 2.6.16 kernel vDSOs.
16856 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
16857 Remove the psw_addr + 1 hack.
16859 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16861 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
16862 with aggregates here.
16863 (find_func_aliases): Remove code for &<aggregate> from here.
16865 2006-02-26 Roger Sayle <roger@eyesopen.com>
16867 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
16868 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
16869 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
16870 as (X & C) ne/eq 0.
16872 2006-02-26 Roger Sayle <roger@eyesopen.com>
16874 PR middle-end/19983
16875 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
16877 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
16879 * opts.c (decode_options): Do not handle flag_strength_reduce.
16880 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
16881 and OPT_fstrength_reduce.
16882 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
16883 flag_prefetch_loop_arrays for being nonzero.
16884 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
16886 (fprefetch-loop-arrays-rtl): Removed.
16887 (flag_prefetch_loop_arrays): Do not specify the value.
16889 * doc/passes.texi: Update documentation of loop optimizer
16891 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
16892 -frerun-loop-opt): Remove.
16894 2006-02-26 Richard Guenther <rguenther@suse.de>
16896 PR tree-optimization/26421
16897 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
16898 in function calls that are ADDR_EXPRs as using the whole structure.
16900 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
16902 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
16903 * tree-pass.h (pass_loop_optimize): Remove.
16904 * passes.c (pass_loop_optimize): Never run it.
16905 * toplev.c (backend_init): Don't call init_loop.
16906 * opts.c (flag_loop_optimize_set): Remove.
16907 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
16908 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
16909 the old RTL loop optimizer when profiling enabled.
16910 * predict.c (tree_estimate_probability): Always strip builtin_expect.
16911 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
16912 pre-headers for the sake of the old RTL loop optimizer.
16913 * Makefile.in: Remove all references to loop.o.
16915 * doc/invoke.texi: Remove all references to -floop-optimize
16916 and -frerun-loop-opt.
16918 2006-02-26 Zack Weinberg <zackw@panix.com>
16920 * doc/md.texi (Machine Constraints): Refer to all files with paths
16921 relative to gcc directory (i.e. config/CPU/file). Add missing
16922 @table @code ... @end table to M32C subsection.
16924 2006-02-26 Roger Sayle <roger@eyesopen.com>
16926 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
16928 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
16930 2006-02-26 Roger Sayle <roger@eyesopen.com>
16931 James A. Morrison <phython@gcc.gnu.org>
16933 PR middle-end/21137
16934 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
16935 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
16936 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
16937 signedness of the shift operation.
16939 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
16941 PR tree-optimization/26359
16942 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
16944 2006-02-25 Roger Sayle <roger@eyesopen.com>
16946 * simplify-rtx.c (simplify_relational_operation_1): Simplify
16947 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
16948 as X == 0, and some symmetry related transformations.
16949 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
16951 2006-02-25 Roger Sayle <roger@eyesopen.com>
16953 PR middle-end/23673
16954 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
16955 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
16956 symmetry related transformations. Fold (X^C1) == C2 as
16959 2006-02-25 Juergen Weigert <jw@suse.de>
16960 Richard Guenther <rguenther@suse.de>
16962 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
16964 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
16966 * combine.c (gen_lowpart_or_truncate): Call
16967 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
16969 2006-02-24 Diego Novillo <dnovillo@redhat.com>
16971 * doc/invoke.texi: Move -fopenmp description to "Options for
16973 Remove reference to -lgomp.
16975 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16977 * doc/install.texi: Require GNU tar version 1.14.
16979 2006-02-24 Geoffrey Keating <geoffk@apple.com>
16981 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
16982 * doc/invoke.texi (C++ Dialect Options): Document
16983 -fno-use-cxa-get-exception-ptr.
16984 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
16985 * configure: Regenerate.
16986 * c.opt (fuse-cxa-get-exception-ptr): New.
16987 * c-opts.c (c_common_handle_option): Handle
16988 OPT_fuse_cxa_get_exception_ptr.
16989 * c-common.c (flag_use_cxa_atexit): Update documentation.
16990 (flag_use_cxa_get_exception_ptr): New.
16991 * c-common.h (flag_use_cxa_get_exception_ptr): New.
16992 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
16994 (C_COMMON_OVERRIDE_OPTIONS): New.
16996 2006-02-24 Roger Sayle <roger@eyesopen.com>
16998 PR middle-end/24952
16999 * combine.c (try_combine): Explicitly check whether GET_CODE is
17000 a SET or a CLOBBER, instead on checking that it isn't a USE.
17002 2006-02-24 Roger Sayle <roger@eyesopen.com>
17004 * fold-const.c (fold_comparison): New subroutine of fold_binary
17005 containing transformations common to both the equality and
17006 ordering relational operators, factored out of fold_binary.
17007 (fold_binary): Separate out the equality operators (EQ_EXPR
17008 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17009 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17010 transformations common to both.
17011 (fold_div_compare): Fix latent bugs in the previously unreachable
17012 LT_EXPR and GE_EXPR cases.
17014 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17016 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17017 decl libname for clog to __clog on AIX.
17019 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17021 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17024 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17025 output traceback table for thunks. Localise rs6000_stack_info call.
17027 2006-02-23 Roger Sayle <roger@eyesopen.com>
17028 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17030 * gthr-posix.h (__gthrw): Fix typo in comment.
17032 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17034 * doc/cpp.texi (Character sets): Document that we do support
17035 input files to be in any character set.
17037 2006-02-23 Jeff Law <law@redhat.com>
17039 * tree.h (PHI_ARG_NONZERO): Remove.
17040 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17041 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17042 node to the new node.
17044 PR tree-optimization/26425
17045 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17046 min/max, then assume its varying.
17048 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17050 PR rtl-optimization/26316
17051 * rtlanal.c (enum may_trap_p_flags): New.
17052 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17053 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17054 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17055 (may_trap_after_code_motion_p): New function.
17056 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17057 (find_invariant_insn): Use may_trap_after_code_motion_p.
17058 * rtl.h (may_trap_after_code_motion_p): Declare.
17060 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17062 * emit-rtl.c (immed_double_const): Cleanup.
17064 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17066 Fix PR tree-optimization/26376
17067 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17070 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17072 PR middle-end/26412
17073 * gimplify.c (omp_add_variable): Guard variable size decl test with
17074 DECL_SIZE (decl) check.
17076 2006-02-23 Richard Guenther <rguenther@suse.de>
17078 PR middle-end/26439
17079 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17080 like aggregate types.
17082 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17084 * configure.ac: Add --with{,out}-long-double-128 configure option.
17085 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17086 * configure: Rebuilt.
17087 * config.in: Rebuilt.
17088 * doc/install.texi (Options specification): Document
17089 --with-long-double-128.
17091 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17092 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17093 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17094 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17096 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17098 * config/s390/s390.c (override_options): Handle
17099 TARGET_DEFAULT_LONG_DOUBLE_128.
17101 * config/alpha/alpha.c (override_options): Handle
17102 TARGET_DEFAULT_LONG_DOUBLE_128.
17104 * config/sparc/sparc.c (sparc_override_options): Handle
17105 TARGET_DEFAULT_LONG_DOUBLE_128.
17107 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17109 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17110 (real-install-headers-tar, real-install-headers-cpio)
17111 (real-install-headers-cp): New targets.
17113 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17115 * tree.h (variable_section): Delete.
17116 * varasm.c (variable_section): Delete.
17118 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17120 * install.texi: Add notes on install.texi2html.
17121 (Building in parallel): Do not use footnotes.
17123 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17126 * doc/install.texi (Configuration): Document --disable-libgomp.
17128 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17130 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17132 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17134 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17135 (vec_extractv2df_0_sse): New.
17137 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17139 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17140 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17141 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17142 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17143 to the result of the expression.
17144 (def_cfa_1): Adjust.
17145 (frame_pointer_cfa_offset): Rename to...
17146 (frame_pointer_fb_offset): ... this. Adjust all uses.
17147 (convert_cfa_to_loc_list): Rename to...
17148 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17149 Pass it on to build_cfa_loc.
17150 (compute_frame_pointer_to_cfa_displacement): Rename to...
17151 (compute_frame_pointer_to_fb_displacement): ... this. New
17152 offset parameter. Use it in computation.
17153 (gen_subprogram_die): Compute cfa_fb_offset with the new
17154 macro, and use it to compute the fb loc list and the
17157 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17159 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17160 replaced with register_operand.
17161 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17162 non-DREG is expensive.
17163 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17164 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17167 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17169 * doc/install.texi2html: Use set -e.
17171 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17173 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17174 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17175 * doc/invoke.texi (-fshared-data): Delete.
17176 * common.opt (fshared-data): Delete.
17177 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17178 (assemble_static_space): Remove #if 0 code.
17179 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17180 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17181 * config/cris/cris.h: Remove FIXME.
17183 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17185 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17188 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17190 PR middle-end/26379
17191 * combine.c (simplify_shift_const_1): Disable nested shifts
17192 optimization for vector shifts.
17194 2006-02-20 Roger Sayle <roger@eyesopen.com>
17196 PR tree-optimization/26361
17197 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17198 of unsigned integer types.
17200 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17202 * tree-chrec.c (eq_evolutions_p): New.
17203 * tree-chrec.h (eq_evolutions_p): Declared.
17204 * tree-data-ref.c: Fix formatting.
17205 (datadep_stats, dependence_stats): New.
17207 (print_direction_vector): New.
17208 (dump_data_dependence_relation): Use print_direction_vector.
17209 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17210 (compute_subscript_distance): Static.
17211 (initialize_data_dependence_relation): Static. Get the number
17212 of loops surrounding the references from the callers, and initialize
17213 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17214 base_object_differ_p analyzers.
17215 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17216 compute_overlap_steps_for_affine_1_2,
17217 analyze_subscript_affine_affine): Count the classified dependences.
17218 Print a message when a test failed.
17219 (can_use_analyze_subscript_affine_affine): New.
17220 (analyze_siv_subscript): Compute the data dependences on symbolic
17221 scevs that verify can_use_analyze_subscript_affine_affine.
17222 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17223 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17224 Handle symbolic scevs.
17225 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17227 (subscript_dependence_tester): Moved...
17228 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17229 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17230 DDR_SIZE_VECT instead of getting it in parameter.
17231 (subscript_dependence_tester): ... here. Take as a parameter
17232 loop_nest_depth. Call build_classic_dist_vector and
17233 build_classic_dir_vector.
17234 (compute_affine_dependence): Update subscript_dependence_tester
17235 parameters. Update datadep_stats counters. Call
17236 compute_subscript_distance.
17237 (compute_self_dependence): Save the dist and dir vectors. Call
17238 compute_subscript_distance.
17239 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17240 (compute_all_dependences): Reorder parameters as they were before
17241 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17242 compute_subscript_distance. Update the use of
17243 compute_affine_dependence and initialize_data_dependence_relation.
17244 (find_data_references_in_loop): Handle COMPONENT_REF.
17245 (compute_data_dependences_for_loop): Initialize dependence_stats.
17246 Don't call build_classic_dist_vector and build_classic_dir_vector.
17247 Update the parameters of initialize_data_dependence_relation and
17248 compute_all_dependences. Print the statistics from datadep_stats.
17249 (analyze_all_data_dependences): Static. Not used until the pass for
17250 checking the data dependences is contributed.
17251 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17252 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17253 (initialize_data_dependence_relation, compute_affine_dependence,
17254 analyze_all_data_dependences, compute_subscript_distance): Removed.
17255 (print_direction_vector): New.
17256 * lambda.h (gcd): ... here.
17257 (lambda_vector_gcd): Moved here from gcd_vector.
17258 * lambda-code.c (gcd, gcd_vector): Removed.
17259 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17260 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17262 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17264 * ipa-type-escape.c: Tidy some comments and white space.
17265 * tree-ssa-operands.c: Likewise.
17267 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17270 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17271 (dump_decl_name): Do not walk the decl tree chains.
17272 * tree-pass.h (TDF_CHAIN): Remove.
17274 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17276 * Makefile.in (C): Remove
17278 (.PHONY): Remove C and PROTO
17280 2006-02-20 Roger Sayle <roger@eyesopen.com>
17282 PR middle-end/26236
17283 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17284 deprecated CHAR_TYPE tree code.
17286 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17288 * configure.ac (target_list): Add install-info, dvi, html.
17289 * configure: Regenerate.
17291 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17292 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17293 treelang/Make-lang.in: Do not use double-colon rules.
17295 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17297 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17298 (TMT_USED_ALONE): New macro.
17299 * tree-pass.h (PROP_tmt_usage): New property.
17300 (TODO_update_tmt_usage): New todo.
17301 * tree-ssa-alias.c (updating_used_alone): New variable.
17302 (recalculate_used_alone): New function.
17303 (compute_may_aliases): Set updating_used_alone, call
17304 recalculate_used_alone.
17305 * tree-sra.c (pass_sra): Note that this pass destroys
17306 PROP_tmt_usage, and add TODO_update_tmt_usage.
17307 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17308 * tree-flow.h (updating_used_alone): Prototype.
17309 (recalculate_used_alone): Ditto.
17310 * passes.c (execute_todo): Add code to set updating_used_alone,
17311 and call recalculate.
17312 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17313 for clobber if used alone, and add assert to verify used_alone
17316 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17318 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17319 for non tls symbols added.
17320 (legitimize_address): Do nothing for PLUS expressions if one of the
17321 addends is a tls symbol reference.
17323 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17327 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17329 * Makefile.in (BOOTSTRAPPING): New.
17330 (quickstrap): New definition if BOOTSTRAPPING=yes.
17332 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17333 * configure.ac: Substitute all_selected_languages with the languages
17334 that were configured. For all the other variables except
17335 lang_specs_files, include all the languages in the tree.
17336 * configure: Regenerate.
17338 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17339 if there is one. Run the commands to run fixincludes in the same
17342 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17343 * doc/install.texi: Document exact conventions for searching target tools.
17344 Document --with-build-time-tools. Document toplevel bootstrap. Document
17345 something more about building an Ada cross-compiler. Don't list GNU Make
17346 requirements which affect all platforms.
17348 2006-02-19 Roger Sayle <roger@eyesopen.com>
17350 PR middle-end/19543
17351 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17352 only equivalent if the have both the same mode and precision.
17354 2006-02-20 Ben Elliston <bje@au.ibm.com>
17356 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17358 2006-02-19 Roger Sayle <roger@eyesopen.com>
17359 Steven Bosscher <stevenb.gcc@gmail.com>
17361 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17362 constant pool references to identify stack mode constants.
17363 * rtlanal.c (constant_pool_constant_p): New predicate to check
17364 whether operand is a floating point constant in the pool.
17365 * rtl.h (constant_pool_constant_p): Prototype here.
17366 * loop.c (scan_loop): Avoid hoisting constants from the constant
17367 pool on STACK_REGS targets.
17368 (load_mems): Likewise.
17369 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17370 loads into x87 registers expensive in terms of register pressure.
17372 2006-02-19 Roger Sayle <roger@eyesopen.com>
17374 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17375 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17377 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17379 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17380 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17382 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17384 * doc/invoke.texi: Document -fipa-pta.
17385 * common.opt: Add ipa-pta option.
17386 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17387 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17388 (do_ds_constraint): Ditto.
17389 (get_constraint_for): Only add to referenced_vars if
17390 referenced_vars exists.
17391 (insert_into_field_list): Rewrite to do this unsorted.
17392 (insert_into_field_list_sorted): Rename old insert_into_field_list
17394 (create_function_info_for): Use insert_into_field_list_sorted.
17395 (create_variable_info_for): Rewrite so it uses unsorted version,
17396 since the field list is sorted.
17397 (intra_create_variable_infos): Only add to referenced_vars if
17398 referenced_vars exists.
17399 (ipa_pta_execute): Init heapvars, and delete when done.
17400 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17402 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17404 * doc/install.texi: Add missing `@samp'.
17406 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17408 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17411 2006-02-18 Mark Wielaard <mark@klomp.org>
17413 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17414 who added new 4.1 features, bug fixes and integration support.
17416 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17419 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17420 MEM for ABI_V4 pic.
17422 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17424 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17425 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17426 (copy_insn_1): Likewise. Don't copy each field individually.
17428 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17430 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17431 * rtl.c (rtx_size): Rename variable to...
17432 (rtx_code_size): ...this.
17433 (rtx_size): New function.
17434 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
17435 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
17437 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
17438 * rtl.h (rtx_code_size): New variable.
17439 (rtx_size): Change from a variable to a function.
17440 (RTX_SIZE): Rename to...
17441 (RTX_CODE_SIZE): ...this.
17444 PR tree-optimization/17106
17445 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
17446 (Anchored Addresses): New section.
17447 * doc/invoke.texi (-fsection-anchors): Document.
17448 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
17449 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
17450 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
17451 * hooks.c (hook_bool_mode_rtx_false): New function.
17452 * hooks.h (hook_bool_mode_rtx_false): Declare.
17453 * gengtype.c (create_optional_field): New function.
17454 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
17455 SYMBOL_REF_IN_BLOCK_P is true.
17456 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
17457 (min_anchor_offset, max_anchor_offset): Likewise.
17458 (use_anchors_for_symbol_p): New hook.
17459 * toplev.c (compile_file): Call output_object_blocks.
17460 (target_supports_section_anchors_p): New function.
17461 (process_options): Check that -fsection-anchors is only used on
17462 targets that support it and when -funit-at-a-time is in effect.
17463 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
17464 if the decl doesn't have one.
17465 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
17466 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
17467 of force_const_mem through use_anchored_address.
17468 (expand_expr_constant): New function.
17469 (expand_expr_addr_expr_1): Call it. Use the same modifier when
17470 calling expand_expr for INDIRECT_REF.
17471 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
17472 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
17473 * expr.h (use_anchored_address): Declare.
17474 * loop-unroll.c: Don't declare rtx vectors here.
17475 * explow.c: Include output.h.
17476 (validize_mem): Call use_anchored_address.
17477 (use_anchored_address): New function.
17478 * common.opt (-fsection-anchors): New switch.
17479 * varasm.c (object_block_htab, anchor_labelno): New variables.
17480 (hash_section, object_block_entry_eq, object_block_entry_hash)
17481 (use_object_blocks_p, get_block_for_section, create_block_symbol)
17482 (use_blocks_for_decl_p, change_symbol_section): New functions.
17483 (get_variable_section): New function, split out from assemble_variable.
17484 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
17485 use_blocks_for_decl_p say so. Use change_symbol_section if the
17486 symbol has already been created.
17487 (assemble_variable_contents): New function, split out from...
17488 (assemble_variable): ...here. Don't output any code for
17489 block symbols; just pass them to place_block_symbol.
17490 Use get_variable_section and assemble_variable_contents.
17491 (get_constant_alignment, get_constant_section, get_constant_size): New
17492 functions, split from output_constant_def_contents.
17493 (build_constant_desc): Create a block symbol if use_object_blocks_p
17494 says so. Or into SYMBOL_REF_FLAGS.
17495 (assemble_constant_contents): New function, split from...
17496 (output_constant_def_contents): ...here. Don't output any code
17497 for block symbols; just pass them to place_section_symbol.
17498 Use get_constant_section and get_constant_alignment.
17499 (force_const_mem): Create a block symbol if use_object_blocks_p and
17500 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
17501 (output_constant_pool_1): Add an explicit alignment argument.
17502 Don't switch sections here.
17503 (output_constant_pool): Adjust call to output_constant_pool_1.
17504 Switch sections here instead. Don't output anything for block symbols;
17505 just pass them to place_block_symbol.
17506 (init_varasm_once): Initialize object_block_htab.
17507 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
17508 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
17509 (place_block_symbol, get_section_anchor, output_object_block)
17510 (output_object_block_htab, output_object_blocks): New functions.
17511 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
17512 (TARGET_ASM_OUT): Include it.
17513 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
17514 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
17515 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
17516 (TARGET_INITIALIZER): Include them.
17517 * rtl.c (rtl_check_failed_block_symbol): New function.
17518 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
17519 (block_symbol, object_block): New structures.
17520 (rtx_def): Add a block_symbol field to the union.
17521 (BLOCK_SYMBOL_CHECK): New macro.
17522 (rtl_check_failed_block_symbol): Declare.
17523 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
17524 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
17525 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
17526 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
17527 * output.h (output_section_symbols): Declare.
17528 (object_block): Name structure.
17529 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
17530 (default_use_anchors_for_symbol_p): Declare.
17531 * Makefile.in (RTL_BASE_H): Add vec.h.
17532 (explow.o): Depend on output.h.
17533 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
17534 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
17535 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
17536 (rs6000_use_blocks_for_constant_p): New function.
17538 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17540 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
17542 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17545 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
17548 2006-02-18 Diego Novillo <dnovillo@redhat.com>
17550 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
17554 2006-02-18 Jakub Jelinek <jakub@redhat.com>
17556 PR middle-end/26334
17557 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17558 instead of DECL_REGISTER.
17560 2006-02-18 Olivier Hainque <hainque@adacore.com>
17563 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17565 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17568 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17569 * opth-gen.awk: Handle Var and InverseMask together.
17570 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
17571 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
17572 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
17573 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
17575 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17576 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17577 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
17578 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17579 LINUX_DYNAMIC_LINKER): Define.
17580 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
17581 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
17583 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17584 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
17585 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17586 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17587 (TARGET_C99_FUNCTIONS): Don't define.
17588 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
17589 GLIBC_DYNAMIC_LINKER.
17590 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
17591 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
17592 GLIBC_DYNAMIC_LINKER64): Define.
17593 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17594 LINUX_DYNAMIC_LINKER64.
17595 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17596 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17597 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
17598 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17599 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17600 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17601 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
17602 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
17603 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
17604 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
17605 and LINUX_DYNAMIC_LINKER32.
17606 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17607 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17608 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
17609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17610 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
17612 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
17613 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
17614 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17615 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17616 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17617 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
17618 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
17619 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
17620 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17621 LINUX_DYNAMIC_LINKER): Define.
17622 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
17623 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
17624 GLIBC_DYNAMIC_LINKER64): Define.
17625 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17626 LINUX_DYNAMIC_LINKER64.
17627 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17628 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17629 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
17630 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17631 LINUX_DYNAMIC_LINKER): Define.
17632 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17633 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17634 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
17635 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
17636 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
17637 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17638 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
17639 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
17640 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17641 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17642 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17643 * doc/invoke.texi (-muclibc): Remove caveat about supported
17646 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
17648 * doc/cpp.texi (__TIMESTAMP__): Document.
17650 2006-02-17 Roger Sayle <roger@eyesopen.com>
17652 PR middle-end/25600
17653 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
17654 C is one less than the width of X (and related transformations).
17655 * simplify-rtx.c (simplify_unary_operation_1): Transform
17656 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
17657 depending on STORE_FLAG_VALUE, were C is one less then the
17660 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
17662 Fix PR tree-optimization/26341
17663 * tree-ssa-operands.c (add_virtual_operand): Remove assert
17664 about NAME_MEMORY_TAG's.
17666 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17669 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
17670 with hardware float support, and software float support. Add fcpy
17671 alternative to hardware patterns. Add alternatives to copy between
17672 general and floating-point registers to the 32-bit pattern.
17673 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
17674 secondary reload to load a QI or HI mode constant into a floating
17676 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
17677 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
17679 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
17682 * config/rs6000/darwin.md (load_macho_picbase_si): Add
17684 (load_macho_picbase_di): Likewise.
17686 2006-02-16 Jeff Law <law@redhat.com>
17688 * tree-vrp.c (set_value_range_to_nonnegative): New function.
17689 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
17690 (ssa_name_nonzero_p): Likewise.
17691 (get_value_range): Return NULL if VRP is not running.
17692 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
17693 VRP routines do not discover a range.
17694 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
17695 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
17696 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
17697 (tree_expr_nonnegative_p): Similarly.
17698 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
17699 (restore_nonzero_vars_to_original_value): Remove.
17700 (unsafe_associative_fp_binop): Remove.
17701 (tree_ssa_dominator_optimize): Remove initialization and
17702 finalization of nonzero_vars and nonzero_vars_stack.
17703 (dom_opt_initialize_block): No longer push marker on
17704 nonzero_vars_stack.
17705 (dom_opt_finalize_block): No longer call
17706 restore_nonzero_vars_to_original_value.
17707 (record_equivalences_from_phis): No longer look for
17708 nonzero PHI arguments.
17709 (cprop_into_successor_phis): No longer propagate nonzero
17710 property into PHI arguments. Lose unused argument. Caller
17712 (record_equivalences_from_stmt): No longer record nonzero
17713 values for SSA_NAMEs.
17714 (lookup_avail_expr): No longer use nonzero_vars.
17716 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
17717 for sizetype when sizetype is unsigned.
17719 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
17721 PR rtl-optimization/25603
17722 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
17723 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
17724 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
17725 with new meaning of SETS.
17727 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
17732 * config/linux.opt: New file.
17733 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
17734 LINUX_DYNAMIC_LINKER): Define.
17735 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
17736 * config.gcc (*-*-linux*): Define extra_options.
17737 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
17738 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
17739 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
17740 GLIBC_DYNAMIC_LINKER.
17741 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
17742 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17743 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17744 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17745 * doc/invoke.texi (GNU/Linux Options): New section.
17747 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
17749 * config/sparc/sparc.md (setjmp): Rewrite.
17750 (setjmp_32): Delete.
17751 (setjmp_64): Likewise.
17753 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
17755 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
17758 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17760 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
17763 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17765 PR rtl-optimization/26296
17766 * Makefile.in (loop-invariant.c): Add except.h dependency.
17767 * loop-invariant.c: Include except.h.
17768 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
17770 2005-02-16 Paul Brook <paul@codesourcery.com>
17772 * reload1.c (emit_reload_insns): Invalidate dead input registers used
17775 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
17777 PR rtl-optimization/25636
17778 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
17779 when deciding whether an insn is an initializing insn.
17781 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
17783 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
17784 (tree_code_size): Ditto.
17785 * tree.h (struct tree_memory_tag): Remove parent_var.
17786 (struct tree_struct_field_tag): New.
17789 (union tree_node): Add sft member.
17790 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
17792 (create_sft): Add size and offset argument, set SFT_OFFSET and
17794 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
17795 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
17796 * tree-flow-inline.h (get_subvar_at): Update for
17797 SFT_OFFSET/SFT_SIZE.
17798 (var_can_have_subvars): Ditto.
17799 (overlap_subvar): Ditto.
17800 * print-tree.c (print_node): Print out interesting things for
17802 * tree-flow.h (struct subvar): Remove offset and size members.
17803 * tree-ssa-operands.c (get_expr_operands): Update for
17804 get_indirect_ref_operands changes.
17805 (get_indirect_ref_operands): Call add_virtual_operand instead of
17806 add_stmt_operand. Only recurse on base var if requested.
17807 (access_can_touch_variable): New function.
17808 (add_stmt_operand): Split virtual operand handling into ...
17809 (add_virtual_operand): Here. Add offset, size, and for_clobber
17810 arguments. Prune alias sets.
17811 (add_call_clobber_ops): Call add_virtual_operand.
17813 2006-02-15 Jakub Jelinek <jakub@redhat.com>
17815 PR middle-end/26300
17816 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
17818 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
17819 than TREE_CODE as index into omp_clause_num_ops array.
17821 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
17823 PR rtl-optimization/26184
17824 * modulo-sched.c (generate_reg_moves): Free bitmap vector
17826 * modulo-sched.c (sms_schedule): Free g_arr pointer.
17827 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
17828 must_precede, must_follow and tobe_scheduled.
17831 * opts.c (common_handle_option): Free new_option pointer.
17832 * df-core.c (df_analyze): Free postorder pointer.
17834 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17836 * Makefile.in: Fix the examples about the use of stamps
17838 2006-02-15 Michael Matz <matz@suse.de>
17840 PR middle-end/22275
17842 * stor-layout.c (layout_decl): Zero-width bitfields aren't
17843 influenced by maximum_field_alignment or DECL_PACKED.
17844 (update_alignment_for_field): Ditto.
17845 (place_field): Ditto.
17846 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
17849 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
17851 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
17852 (debug_flow_info): Pass it.
17853 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
17854 * bb-reorder.c (reorder_basic_blocks): Likewise.
17855 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
17856 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
17857 * flow.c (life_analysis, recompute_reg_usage): Likewise.
17858 * gcse.c (gcse_main, bypass_jumps): Likewise.
17859 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
17860 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
17861 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
17862 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
17863 * rtl.h (dump_flow_info): Adjust prototype.
17864 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
17865 * var-tracking.c (variable_tracking_main): Likewise.
17866 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
17867 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
17870 2006-02-15 Marcin Dalecki <martin@dalecki.de>
17872 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
17875 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17877 PR tree-optimization/26209
17878 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
17879 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
17881 * tree-cfg.c (replace_uses_by): Do not alter cfg.
17883 2006-02-14 Roger Sayle <roger@eyesopen.com>
17885 PR middle-end/23670
17886 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
17887 (X,Y) and the corresponding symmetry related transformations.
17888 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
17889 (X,Y) and its symmetry related transformations.
17891 2006-02-14 Roger Sayle <roger@eyesopen.com>
17893 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
17896 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
17898 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
17900 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17903 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
17904 support COMDAT group.
17905 * configure: Regenerate.
17907 2006-02-14 Roger Sayle <roger@eyesopen.com>
17909 PR middle-end/26279
17910 PR middle-end/26280
17911 PR middle-end/26283
17912 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
17914 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
17916 Fix PR tree-optimization/26260
17918 * doc/invoke.texi (max-fields-for-field-sensitive): Document
17920 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
17921 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
17922 * tree-ssa-structalias.c (create_variable_info_for): Use
17923 MAX_FIELDS_FOR_FIELD_SENSITIVE.
17925 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17927 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
17929 * tree-ssa-loop-niter.c (number_of_iterations_ne,
17930 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
17931 of the ending condition.
17932 * tree-ssa-loop-manip.c: Include params.h.
17933 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
17934 tree_unroll_loop): New functions.
17935 * tree-pass.h (pass_loop_prefetch): Declare.
17936 * loop.c (rest_of_handle_loop_optimize): Test for
17937 -fprefetch-loop-arrays-rtl.
17938 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
17939 * timevar.def (TV_TREE_PREFETCH): New timevar.
17940 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
17941 pass_loop_prefetch): New.
17942 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
17943 (cleanup_tree_cfg_loop): Call scev_reset.
17944 * common.opt (fprefetch-loop-arrays-rtl): Add.
17945 * tree-ssa-loop-prefetch.c: New file.
17946 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
17947 (new_temp_expr_table): Initialize expr_vars.
17948 (free_temp_expr_table): Cleanup expr_vars.
17949 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
17950 expressions from being merged into one.
17951 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
17952 (struct tree_niter_desc): Add control, bound and cmp fields.
17953 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
17955 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
17956 (tree-cfgcleanup.o): Add SCEV_H dependency.
17957 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
17958 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
17960 2006-02-14 Richard Guenther <rguenther@suse.de>
17962 PR tree-optimization/26258
17963 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
17964 in PHI argument processing.
17966 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
17968 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
17969 new expression in the requested machine mode.
17971 2006-02-13 Roger Sayle <roger@eyesopen.com>
17973 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
17974 directly, instead let do_compare_rtx_and_jump handle this for us.
17975 * expr.c (expand_expr_real_1): Likewise.
17976 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
17977 before do_jump_by_parts_greater.
17978 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
17979 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
17981 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17983 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
17985 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17987 PR rtl-optimization/26235
17988 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
17989 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
17992 2006-02-13 Jeff Law <law@redhat.com>
17994 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
17997 2006-02-13 Jakub Jelinek <jakub@redhat.com>
17999 PR middle-end/26092
18000 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18001 twice if decl is a builtin. When trying again, call get_callee_fndecl
18002 first to verify it is still a builtin.
18004 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18006 * dwarf2out.c (base_type_die): Don't add AT_name here.
18007 (subrange_type_die): Don't add AT_name here.
18008 (modified_type_die): Rearrange code flow. Do add AT_name here.
18010 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18012 PR rtl-optimization/26247
18013 PR rtl-optimization/26248
18014 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18016 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18018 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18019 * config/fixtfdi.c: Likewise.
18020 * config/fixunstfdi.c: Likewise.
18021 * config/floatditf.c: Likewise.
18023 2006-02-13 Roger Sayle <roger@eyesopen.com>
18025 PR middle-end/24427
18026 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18027 into (X,C2) if C1 is a subset of the bits of C2. Transform
18028 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18030 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18032 2006-02-13 Josh Conner <jconner@apple.com>
18035 * varasm.c (function_section): Check for section name before
18036 calling select_section on targets that define
18037 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18038 unlikely_text_section instead of hot_function_section if
18039 first_function_block_is_cold.
18041 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18043 PR middle-end/25335
18044 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18046 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18048 PR rtl-optimization/26222
18049 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18050 after tree->rtl expansion.
18051 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18052 before passing it to emit_move_insn.
18054 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18056 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18058 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18059 Clarify documentation.
18060 * c-common.h (warn_write_strings): Remove.
18061 * c-common.c (warn_write_strings): Likewise.
18062 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18065 2006-02-12 Roger Sayle <roger@eyesopen.com>
18067 PR middle-end/25724
18068 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18069 (do_jump_parts_zero_rtx): New function renamed from
18070 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18071 (do_jump_parts_equality_rtx): New function split out from
18072 do_jump_parts_equality. Old implementation renamed as above.
18073 Call do_jump_parts_zero_rtx if either operand is zero.
18074 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18075 do all of the heavy lifting.
18076 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18077 calling either do_jump_by_parts_greater_rtx or
18078 do_jump_by_parts_equality_rtx.
18079 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18080 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18081 moved to do_compare_rtx_and_jump, call it directly.
18082 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18083 mode argument. Call do_compare_rtx_and_jump.
18084 (emit_case_nodes): Update calls to do_jump_if_equal.
18086 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18088 PR rtl-optimization/26225
18089 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18091 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18093 PR rtl-optimization/26232
18094 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18096 2006-02-11 Jason Merrill <jason@redhat.com>
18099 * tree-inline.c (declare_return_variable): Just don't use the
18100 modify target if it's a gimple complex reg and the return slot
18103 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18105 * doc/contrib.texi: Update my entry.
18107 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18109 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18111 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18113 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18116 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18118 * doc/invoke.texi (-floop-optimize2): Removed.
18119 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18120 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18121 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18122 * common.opt (floop-optimize2): Removed.
18123 (fmove-loop-invariants): Enabled by default.
18125 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18127 * tree-if-conv.c (combine_blocks): Free the result of
18128 get_loop_exit_edges.
18130 2006-02-10 Jeff Law <law@redhat.com>
18132 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18134 PR tree-optimization/26213
18135 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18136 loop trying to follow SSA_NAME_VALUE chains.
18138 2006-02-10 Richard Guenther <rguenther@suse.de>
18140 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18141 deal with structures that end in implicitly variable sized arrays.
18143 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18145 PR rtl-optimization/24762
18146 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18149 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18151 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18152 (struct ivopts_data): Add regs_used field.
18153 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18154 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18155 instead of loop_data->regs_used;
18156 (free_loop_data): Do not free aux fields for loops.
18157 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18158 and tree_ssa_iv_optimize_finalize.
18160 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18162 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18164 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18167 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18168 computing the effective result type.
18170 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18172 PR inline-asm/16194
18173 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18174 (tree_overlaps_hard_reg_set): Declare.
18175 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18176 type and signature to match function type expected by walk_tree.
18177 (tree_overlaps_hard_reg_set): New function.
18178 (decl_conflicts_with_clobbers_p): Rename to:
18179 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18180 Use tree_overlaps_hard_reg_set. Changed caller.
18181 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18182 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18183 * cris.c (cris_md_asm_clobbers): Likewise.
18185 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18187 * reload1.c (emit_input_reload_insns): Delete code that tries to
18188 inherit using find_equiv_reg.
18190 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18192 * c-common.h (flag_const_strings): Don't declare.
18193 * c-common.c (flag_const_strings): Remove.
18194 * c.opt (fconst_strings): Remove.
18195 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18196 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18197 (c_common_init_options): Don't set flag_const_strings.
18198 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18200 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18202 * arm.md (tlobits_cbranch): New pattern.
18203 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18204 testing a single bit.
18206 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18209 * tree-ssa-pre.c (create_component_ref_by_pieces):
18210 Handle RETURN_DECL like VAR_DECL.
18212 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18214 PR middle-end/26134
18215 * fold-const.c (fold_indirect_ref_1): Fold
18216 "*(foo *)&complexfoo" to "__real__ complexfoo"
18217 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18219 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18221 * tree-flow-inline.h (var_can_have_subvars):
18222 Volatile variables should not have subvariables.
18224 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18227 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18228 multiplying unsigned values.
18231 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18233 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18235 2006-02-08 Jason Merrill <jason@redhat.com>
18238 * tree.def: Elaborate on difference from MODIFY_EXPR.
18239 * doc/c-tree.texi (INIT_EXPR): Likewise.
18240 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18241 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18242 (gimplify_target_expr): Likewise.
18243 (gimplify_cond_expr): Remove target handling.
18244 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18245 (gimplify_expr): Clobber it here.
18246 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18247 Do return slot optimization if we have an INIT_EXPR.
18250 * tree-inline.c (declare_return_variable): Also clear
18251 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18254 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18256 PR middle-end/22439
18257 * gimplify.c (gimplify_one_sizepos): Fix typo.
18259 2006-02-08 Jeff Law <law@redhat.com>
18261 PR tree-optimization/21417
18262 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18263 across a backedge if the control statement at the end of the
18264 block is data dependent on other statements in the same block.
18265 (record_temporary_equivalences_from_stmts): Remove over-conservative
18266 test for threading across backedges.
18268 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18269 control statement, handle all three special cases in the same
18270 manner as they all have the same desired solution. No longer
18271 special case edge flag updating when the post dominator is
18274 2006-02-08 Roger Sayle <roger@eyesopen.com>
18276 * tree.def (CHAR_TYPE): Remove.
18277 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18278 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18279 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18280 (gen_string_type_die): Delete unreachable function.
18282 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18283 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18284 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18285 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18286 * builtins.c (type_to_class): Likewise.
18287 * fold-const.c (fold_convert, build_range_check,
18288 merge_ranges): Likewise.
18289 * expr.c (count_type_elements): Likewise.
18290 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18291 * stor-layout.c (layout_type): Likewise.
18292 * ipa-type-escape.c (type_to_consider): Likewise.
18293 * gimplify.c (omp_firstprivatize_type_sizes,
18294 gimplify_type_sizes): Likewise.
18295 * explow.c (promote_mode): Likewise.
18296 * tree-sra.c (is_sra_scalar_type): Likewise.
18297 * varasm.c (output_constant): Likewise.
18298 * tree-inline.c (remap_type_1): Likewise.
18299 * convert.c (convert_to_pointer, convert_to_real,
18300 convert_to_integer, convert_to_complex): Likewise.
18302 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18304 * df-scan.c (df_def_record_1): A set destination may
18305 be a parallel regardless of mode.
18307 2006-02-08 Roger Sayle <roger@eyesopen.com>
18310 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18311 * config/mips/_tilib.c: Remove.
18312 * config/fixtfdi.c: New libgcc source file.
18313 * config/fixunstfdi.c: New source file.
18314 * config/floatditf.c: New source file.
18315 * config/floatunditf.c: New souce file.
18316 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18317 files above instead of config/mips/_tilib.c.
18318 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18320 2006-02-08 Jeff Law <law@redhat.com>
18322 PR tree-optimization/26169
18323 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18326 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18328 * df.h (DF_REG_SIZE): Return the length of the initialized
18331 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18333 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18334 __muldf3): Return a correctly signed zero.
18336 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18338 * passes.c (register_one_dump_file): Accept the current properties
18339 instead of pass number. Adjust call to dump_register. Remove
18341 (register_dump_files): Now a wrapper around...
18342 (register_dump_files_1): ... this one. Do not modify the pass
18344 (next_pass_1): Cosmetic fix.
18345 (execute_todo): Keep second parameter only. Use curr_properties
18346 instead of fetching it from the pass structure. Check and set
18348 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18349 instead of fetching it from the pass structure. Fix calls to
18350 execute_todo. Update curr_properties and initialize .vcg RTL dump
18351 after running the pass. Reset last_verified.
18352 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18354 (FIRST_AUTO_NUMBERED_DUMP): New.
18355 (dump_register): Remove "num" parameter, assign it within the
18357 (get_dump_file_name): Modify template for dumps.
18358 * tree-dump.h (dump_register): Adjust prototype.
18359 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18360 (PROP_trees): Add PROP_gimple_lomp.
18361 (TODO_set_props): New.
18362 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18363 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18364 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18366 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18368 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18369 (sparc64-*-linux*): Likewise.
18370 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18371 * config/sparc/t-linux: New file.
18372 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18373 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18374 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18375 -m32 -mlong-double-128.
18377 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18378 * config/alpha/t-linux: New file.
18379 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18381 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18382 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18383 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18384 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18385 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18386 (CPP_ARCH32_SPEC): Remove.
18388 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18390 PR tree-optimization/26145
18391 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18394 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18397 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18398 >= 240000 when generating code for SOM runtime.
18399 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18400 to $$dyncall when generating code for SOM runtime..
18402 2006-02-07 Dirk Mueller <dmueller@suse.com>
18405 * doc/invoke.texi (-Wsequence-point): Update documentation
18406 that -Wsequence-point is implemented for C++ as well.
18408 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18410 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18411 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18412 (LIB_SPEC): Likewise.
18413 * doc/invoke.texi (SPARC options): Document -pthread.
18415 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18417 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18420 2006-02-07 Roger Sayle <roger@eyesopen.com>
18422 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18423 Correct comment describing BOOLEAN_TYPE.
18425 2006-02-07 Dirk Mueller <dmueller@suse.com>
18427 * c.opt: C++ frontend supports -Wdiv-by-zero.
18428 * c-opts.c (c_common_handle_option): Remove dead case.
18430 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18432 * configure.ac (TLS assembler check): Do not enable TLS by
18433 default on SPARC/Solaris before version 10.
18434 * configure: Regenerate.
18436 2006-02-07 David Edelsohn <edelsohn@gnu.org>
18438 * doc/invoke.texi (xl-compat): Document conversion and support
18441 2006-02-07 Jeff Law <law@redhat.com>
18443 * tree-vrp.c (find_conditional_asserts): Update comments.
18444 (simplify_stmt_for_jump_threading): New.
18445 (identify_jump_threads, finalize_jump_threads): New.
18446 (vrp_finalize): Call identify_jump_threads.
18447 (execute_vrp): Call finalize_jump_threads.
18448 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
18449 (vrp_element, vrp_data, vrp_element_p): Remove.
18450 (vrp_hash_elt, vrp_variables_stack): Remove.
18451 (vrp_hash, vrp_eq, record_range): Remove.
18452 (simplify_cond_and_lookup_avail_expr): Remove.
18453 (extract_range_from_cond): Remove.
18454 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
18455 (simplify_stmt_for_jump_threading): New.
18456 (dom_thread_across_edge): New wrapper.
18457 (tree_ssa_dominator_optimize): No longer initialize or
18458 finalize any of the VRP datastructures. Remove iteration
18459 step and simplify as a result of removal of iteration step.
18460 (pass_dominator): Perform a cfg cleanup after DOM.
18461 (dom_opt_finalize_block): Use the new common routines
18462 for threading jumps. Simplify stack management slightly.
18463 No longer need to unwind VRP state.
18464 (record_equivalences_from_incoming_edge): No longer record
18466 (eliminate_redundant_computations): No longer call
18467 simplify_cond_and_lookup_avail_expr.
18468 * tree-flow.h (potentially_threadable_block): Prototype.
18469 (thread_across_edge): Likewise.
18470 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
18471 (tree-ssa-threadedge.o): Add dependencies.
18472 * tree-ssa-threadedge.c: New file.
18473 * passes.c (init_optimization_passes): Merge PHIs before
18474 calling VRP. Run VRP again late in the SSA optimization pipeline.
18476 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18478 * df-core.c (df_set_blocks): Do not dereference function pointers.
18479 (df_finish1): Likewise.
18480 (df_hybrid_search_forward): Likewise.
18481 (df_hybrid_search_backward): Likewise.
18482 (df_iterative_dataflow): Likewise.
18483 (df_analyze_problem): Likewise.
18484 (df_compact_blocks): Likewise.
18485 (df_dump): Likewise.
18486 * df-scan.c (df_rescan_blocks): Likewise.
18487 (df_record_entry_block_defs): Likewise.
18489 * genconditions.c (write_conditions): Guard the definition of
18490 'insn_conditions' with the check on GCC version.
18491 (write_writer): Guard the traversal 'insn_conditions' with
18492 the check on GCC version.
18494 2006-02-07 Richard Guenther <rguenther@suse.de>
18498 2006-01-30 Richard Guenther <rguenther@suse.de>
18500 * gimplify.c (gimplify_target_expr): Handle easy cases
18501 without creating a temporary.
18503 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
18505 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
18506 use of float in probability computations. Use edge probabilities
18507 in place of statically computed probabilities.
18508 (min_spec_prob): New static variable.
18509 (schedule_insns): Initialize it.
18510 (GET_SRC_PROB): Removed.
18511 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
18513 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
18516 * config/ia64/unwind-ia64.c: Revert last change.
18517 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
18518 (INCOMING_FRAME_SP_OFFSET): Define.
18520 2006-02-06 Roger Sayle <roger@eyesopen.com>
18522 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
18524 2006-02-07 Ben Elliston <bje@au.ibm.com>
18526 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
18527 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
18528 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
18529 (ix86_return_in_memory): Handle TDmode.
18530 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
18531 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
18533 2006-02-06 Richard Sandiford <richard@codesourcery.com>
18535 * reorg.c (dbr_schedule): Use dump_file instead of file.
18537 2006-02-06 Steve Ellcey <sje@cup.hp.com>
18540 * config/ia64/predicates.md (extr_len_operand): New predicate.
18541 * config/ia64/ia64.md (extv): Tighten constraints.
18543 (*tbit_and_2): Ditto.
18544 (*tbit_and_3): Ditto.
18545 (*tbit_or_2): Ditto.
18546 (*tbit_or_3): Ditto.
18547 (*bit_zero): Ditto.
18550 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
18553 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
18555 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
18557 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
18558 loop_optimizer_init and loop_optimizer_finalize
18559 * tree-ssa-sink.c (execute_sink_code): Ditto.
18560 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
18561 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
18562 tree_ssa_loop_done): Ditto.
18563 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18564 * sched-ebb.c: Include output.h.
18565 (schedule_ebbs): Do not use dump argument.
18566 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18567 * loop.c (loop_dump_stream): Removed.
18568 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
18570 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
18571 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
18572 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
18573 loop_iterations, strength_reduce, record_biv, record_giv,
18574 final_giv_value, check_final_value, check_ext_dependent_givs,
18575 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
18576 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
18577 dump_file instead of loop_dump_stream.
18578 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
18579 argument dump_file.
18580 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
18582 * flow.c (life_analysis, rest_of_handle_life): Ditto.
18583 * haifa-sched.c: Include output.h
18584 (schedule_insns, sched_init): Do not use dump argument.
18585 * mode-switching.c (optimize_mode_switching): Ditto.
18586 * modulo-sched.c (stats_file): Removed.
18587 (print_node_sched_params): Do not call argument dump_file.
18588 (sms_schedule_by_order, loop_canon_p, sms_schedule,
18589 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
18591 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
18593 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
18594 rtl_loop_init, rtl_loop_done): Ditto.
18595 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
18596 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
18598 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
18599 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
18600 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
18601 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
18602 * emit-rtl.c (renumber_insns): Ditto.
18603 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
18604 expand_gimple_basic_block, tree_expand_cfg): Ditto.
18605 * regclass.c (regclass): Ditto.
18606 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
18607 remove_ssa_form, rewrite_out_of_ssa): Ditto.
18608 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
18609 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
18611 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
18612 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
18614 * gcse.c (gcse_file, debug_stderr): Removed.
18615 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
18616 rest_of_handle_gcse): Do not use dump argument.
18617 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
18618 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
18619 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
18620 compute_code_hoist_vbeinout, compute_code_hoist_data,
18621 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
18622 compute_store_table, build_store_vectors, insert_insn_start_bb,
18623 insert_store, remove_reachable_equiv_notes, replace_store_insn,
18624 store_motion): Use dump_file instead of gcse_file.
18625 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
18626 * profile.c (profile_dump_file): Removed.
18627 (branch_prob): Use dump_file instead of profile_dump_file.
18628 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
18630 * tree-ssa-copy.c (dump_copy_of): Ditto.
18631 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
18632 dump file to life_analysis.
18633 * bt-load.c (branch_target_load_optimize): Ditto.
18634 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
18636 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
18637 regclass, dbr_schedule): Declaration changed.
18638 * sched-int.h (sched_init): Declaration changed.
18639 * tree-profile.c (tree_profile_dump_file): Removed.
18640 (tree_profile_hooks): Removed profile_dump_file hook.
18641 * rtl-profile (rtl_profile_dump_file): Removed.
18642 (rtl_profile_hooks): emoved profile_dump_file hook.
18643 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
18645 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
18646 * tree-cfg.c (build_tree_cfg): Ditto.
18647 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
18648 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
18649 Declaration changed.
18650 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
18651 life_analysis and schedule_insns.
18652 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
18654 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
18656 * config/mips/mips.c (mips_reorg): Ditto.
18657 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
18660 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
18662 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18663 (s390_mangle_fundamental_type): New.
18664 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18667 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18668 (alpha_mangle_fundamental_type): New.
18669 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18672 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18674 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18676 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18677 (sparc_mangle_fundamental_type): New.
18679 2006-02-06 Jakub Jelinek <jakub@redhat.com>
18681 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
18682 (s390x-*-linux*): Likewise.
18683 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
18684 * config/s390/t-linux: New file.
18686 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18688 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
18689 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
18691 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
18693 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
18694 (ANTIC_SAFE_LOADS): New macro.
18695 (find_or_generate_expression): Add prototype.
18696 (set_contains_value): Allow null set for sake of not always having
18697 to allocate ANTIC_SAFE_LOADS.
18698 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
18699 Allow COMPONENT_REF too.
18700 (valid_in_set): Allow COMPONENT_REF.
18701 Check ANTIC_SAFE_LOADS too.
18702 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
18703 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
18705 (can_PRE_operation): Add COMPONENT_REF.
18706 (create_component_ref_by_pieces): New function.
18707 (create_expression_by_pieces): Use create_component_ref_by_pieces.
18708 (insert_aux): Move AGGREGATE_TYPE_P check here.
18709 (compute_avail): Set bb local stmt uids.
18710 (pass_pre): Use TODO_update_ssa_only_virtuals.
18712 2006-02-06 Ben Elliston <bje@au.ibm.com>
18714 * configure.ac: Unconditionally disable decimal float by default.
18715 * configure: Regenerate.
18717 2006-02-06 Ben Elliston <bje@au.ibm.com>
18719 * read-rtl.c (read_name): Terminate reading on EOF.
18721 2006-02-06 Ben Elliston <bje@au.ibm.com>
18723 * dfp.c (decimal_real_arithmetic): Change second argument type
18724 from int to enum tree_code. Do not always return true, but now
18725 return result of any call to decimal_do helper functions.
18726 * dfp.h (decimal_real_arithmetic): Update prototype.
18728 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
18730 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
18732 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
18735 * tree-cfg.c (cleanup_dead_labels): Also don't remove
18738 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18740 * tree-vrp.c (cfg_loops): Removed.
18741 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
18742 Use current_loops instead of cfg_loops. Pass flags to
18743 loop_optimizer_init.
18744 * cfgloopmanip.c (fix_loop_structure): Update only available
18746 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
18747 loop_optimizer_init.
18748 * modulo-sched.c (build_loops_structure): Removed.
18749 (sms_schedule): Use loop_optimizer_init.
18750 * loop-init.c (loop_optimizer_init): Use flags to determine
18751 which properties of loops to prepare.
18752 (rtl_loop_init): Pass flags to loop_optimizer_init.
18753 * tree-ssa-sink.c (execute_sink_code): Ditto.
18754 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
18755 * tree-ssa-pre.c (init_pre): Ditto.
18756 * cfgloop.h (LOOPS_NORMAL): New.
18757 (loop_optimizer_init): Declaration changed.
18759 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18761 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
18762 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
18764 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
18766 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
18768 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
18769 * pa/t-pa64: Delete quadlib.c rule.
18770 * pa/x-ada: Revert last change.
18771 * pa/t-pa: Revert last change. Delete quadlib.c rule.
18773 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18775 PR rtl-optimization/26087
18776 * rtlanal.c (canonicalize_condition): Do not cross basic block
18779 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
18782 * config/ia64/ia64.c: Include debug.h.
18783 (MAX_ARTIFICIAL_LABEL_BYTES): New.
18784 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
18785 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
18786 (process_epilogue, process_set, process_for_unwind_directive):
18787 Output unwind info only if requested. Add CFA info if requested.
18788 Add new arguments as needed. Adjust callers.
18789 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
18791 (DWARF2_FRAME_INFO): Define to zero.
18792 * config/ia64/unwind-ia64.c: Remove code that compensated for
18793 the CFA offset error fixed above.
18794 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
18795 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
18796 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
18797 -funwind-tables and -fexceptions to enable frame info.
18798 (dwarf2out_frame_init): Define initial CFA even if
18799 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
18800 DWARF2_UNWIND_INFO is nonzero, not just defined.
18801 (dwarf2out_frame_finish): Output non-EH call frame info only
18802 if DWARF2_FRAME_INFO is nonzero.
18803 (convert_cfa_to_loc_list,
18804 compute_frame_pointer_to_cfa_displacement): Define even if
18805 unwind info is not supported.
18806 (gen_subprogram_die): Use the above unconditionally. Remove
18807 legacy alternate code.
18808 * toplev.c (compile_file): Compile in call to
18809 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
18810 (lang_dependent_init): Ditto for dwarf2out_frame_init.
18812 2006-02-04 David Edelsohn <edelsohn@gnu.org>
18813 Jakub Jelinek <jakub@redhat.com>
18815 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
18816 IBM extended float format long double as "g" on powerpc*-linux.
18818 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18821 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
18822 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
18824 2006-02-03 Jason Merrill <jason@redhat.com>
18827 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
18829 PR middle-end/25977
18830 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
18831 on the return slot if it's an NRV.
18833 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
18835 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
18836 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
18837 rewrite_use): Do not handle USE_OUTER.
18838 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
18839 add_iv_outer_candidates, may_replace_final_value,
18840 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
18841 (find_interesting_uses_op): Functionality of
18842 find_interesting_uses_outer_or_nonlin moved here.
18843 (find_interesting_uses_outside): Use find_interesting_uses_op.
18845 2006-02-03 Alan Modra <amodra@bigpond.net.au>
18848 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
18850 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
18851 Ulrich Weigand <uweigand@de.ibm.com>
18854 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
18855 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
18856 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
18857 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
18859 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
18860 (s390_rtx_costs): Use the new fields to calculate rtx costs.
18861 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
18862 Define secondary reloads for TFmode moves.
18863 (constant_modes): Add TFmode.
18864 (NR_C_MODES): Set to 8.
18865 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
18867 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
18868 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
18869 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
18870 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
18871 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
18872 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
18873 (FPR mode macro): Add TFmode.
18874 (DSF mode macro): New.
18875 (<de>, <dee> mode attributes): Removed.
18876 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
18877 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
18878 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
18879 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
18880 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
18881 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
18882 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
18883 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
18884 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
18885 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
18886 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
18887 "*negabs<mode>2", "sqrt<mode>2"):
18888 Changed <de> to <xde>. R constraint replaced by <Rf>.
18889 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
18891 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
18892 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
18893 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
18895 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
18896 "extenddftf2", "extendsftf2"): New expanders.
18897 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
18898 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
18899 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
18900 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
18902 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
18903 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
18904 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
18905 __floatditf): Add a GCC_4.1.0 symbol version tag.
18906 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
18909 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
18912 * config/i386/i386.c (ix86_function_ok_for_sibcall):
18913 Use targetm.binds_local_p instead of TREE_PUBLIC.
18915 2006-02-02 Roger Sayle <roger@eyesopen.com>
18917 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
18918 on INTEGER_TYPEs to indicate that it denotes a character type.
18919 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
18920 signed_char_type_node, unsigned_char_type_node and char_type_node.
18921 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
18922 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
18923 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
18925 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
18926 Daniel Berlin <dberlin@dberlin.org>
18928 * tree-tailcall.c (arg_needs_copy_p): New function.
18929 (eliminate_tail_call): Use arg_needs_copy_p.
18930 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
18931 (add_virtual_phis): New function.
18933 2006-02-02 Jakub Jelinek <jakub@redhat.com>
18935 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
18936 #ignore instead of #scratch for %g7 .register directive.
18938 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
18940 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
18943 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18945 * flow.c (calculate_global_regs_live): Assert that there aren't any
18948 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
18950 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
18951 what its name says.
18952 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
18953 bsi_after_labels iterator.
18954 * tree-if-conv.c (find_phi_replacement_condition,
18955 replace_phi_with_cond_modify_expr): Likewise.
18956 * tree-scalar-evolution.c (scev_const_prop): Likewise.
18957 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
18959 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18961 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
18963 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18966 * tree-cfg.c (move_block_to_fn): Clear out the basic block
18967 array after growing it.
18969 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18971 PR middle-end/24901
18972 * fold-const.c (fold_checksum_tree): Change type of buf.
18974 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
18976 * reload.c (push_secondary_reload): Initialize t_icode.
18978 2006-02-01 Jakub Jelinek <jakub@redhat.com>
18980 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
18981 -msoft-float -mlong-double-128 only issue a warning, but don't
18982 swich to DFmode long double.
18984 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
18986 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
18987 has a constant equivalent, iterate over equivalents for arg0,
18988 calling simplify_relational_operation and if there's a result
18989 cheaper than X, apply fold_rtx and return the result.
18991 2006-02-01 Jan Hubicka <jh@suse.cz>
18993 * opts.c (no_unit_at_a_time_default): New global variable.
18994 (decode_options): Use it.
18995 * opts.h (no_unit_at_a_time_default): Declare.
18997 2006-02-01 Paul Brook <paul@codesourcery.com>
18999 * function.c (assign_parm_setup_reg): Use function argument promotion
19001 * expr.c (expand_expr_real_1): Use function argument promotion rules
19004 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19006 * gcc.c (process_command): Change j to 'unsigned int'.
19008 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19010 PR middle-end/26001
19011 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19012 Use the corrected index for the character
19013 out of the string constant.
19015 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19017 * mode-switching.c (optimize_mode_switching): Fix size
19018 allocated for bb_info[n_entities].
19020 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19022 * gcc.c (main): Correct type that is allocated for
19023 explicit_link_files.
19025 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19027 * config/s390/s390.c (init_alignment_context): Set
19028 ALIAS_SET_MEMORY_BARRIER on the MEM.
19029 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19031 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19033 PR middle-end/25933
19034 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19036 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19039 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19041 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19042 * regrename.c: Ditto.
19043 * tree-ssa-loop-im.c: Ditto.
19044 * tree-dump.c: Ditto.
19045 * tree-complex.c: Ditto.
19046 * genrecog.c: Ditto.
19047 * tree-ssa-threadupdate.c: Ditto.
19049 * java/class.c: Ditto.
19050 * java/jcf-parse.c: Ditto.
19051 * java/resource.c: Ditto.
19052 * java/except.c: Ditto.
19053 * java/jvspec.c: Ditto.
19054 * java/jcf-write.c: Ditto.
19055 * java/jcf-path.c: Ditto.
19056 * java/gjavah.c: Ditto.
19057 * java/zextract.c: Ditto.
19058 * java/jcf-io.c: Ditto.
19059 * java/jcf.h: Ditto.
19060 * java/buffer.c: Ditto.
19061 * java/lang.c: Ditto.
19062 * java/parse-scan.y: Ditto.
19063 * java/lex.c: Ditto.
19064 * java/lex.h: Ditto.
19065 * cfgloopmanip.c: Ditto.
19066 * postreload-gcse.c: Ditto.
19067 * tree-ssa-loop-manip.c: Ditto.
19068 * postreload.c: Ditto.
19069 * tree-ssa-loop-ch.c: Ditto.
19072 * cppspec.c: Ditto.
19073 * diagnostic.c: Ditto.
19075 * genoutput.c: Ditto.
19077 * cfghooks.c: Ditto.
19078 * cfgloopanal.c: Ditto.
19079 * objc/objc-act.c: Ditto.
19081 * genextract.c: Ditto.
19082 * genautomata.c: Ditto.
19083 * pretty-print.c: Ditto.
19084 * genemit.c: Ditto.
19085 * cgraphunit.c: Ditto.
19087 * df-scan.c: Ditto.
19088 * haifa-sched.c: Ditto.
19089 * dominance.c: Ditto.
19091 * tree-ssa-loop-ivopts.c: Ditto.
19092 * df-core.c: Ditto.
19093 * mode-switching.c: Ditto.
19094 * modulo-sched.c: Ditto.
19096 * ipa-pure-const.c: Ditto.
19098 * fix-header.c: Ditto.
19100 * tree-stdarg.c: Ditto.
19101 * ipa-utils.c: Ditto.
19102 * loop-init.c: Ditto.
19103 * ipa-inline.c: Ditto.
19104 * cfganal.c: Ditto.
19106 * alloc-pool.c: Ditto.
19107 * dwarf2out.c: Ditto.
19109 * genattrtab.c: Ditto.
19110 * tree-ssa-loop-ivcanon.c: Ditto.
19111 * predict.c: Ditto.
19112 * timevar.c: Ditto.
19114 * fortran/gfortranspec.c: Ditto.
19115 * regmove.c: Ditto.
19116 * local-alloc.c: Ditto.
19117 * langhooks.c: Ditto.
19118 * function.c: Ditto.
19119 * tree-vectorizer.c: Ditto.
19121 * ipa-type-escape.c: Ditto.
19123 * tree-if-conv.c: Ditto.
19124 * profile.c: Ditto.
19126 * tree-data-ref.c: Ditto.
19127 * loop-unroll.c: Ditto.
19128 * treelang/treetree.c: Ditto.
19130 * bt-load.c: Ditto.
19131 * ggc-common.c: Ditto.
19133 * coverage.c: Ditto.
19135 * tree-cfgcleanup.c: Ditto.
19136 * tree-ssa-pre.c: Ditto.
19137 * cfgcleanup.c: Ditto.
19138 * loop-invariant.c: Ditto.
19139 * loop-iv.c: Ditto.
19140 * ipa-prop.c: Ditto.
19141 * print-tree.c: Ditto.
19142 * conflict.c: Ditto.
19143 * ggc-page.c: Ditto.
19144 * sched-deps.c: Ditto.
19145 * regclass.c: Ditto.
19146 * tree-object-size.c: Ditto.
19147 * combine.c: Ditto.
19148 * bb-reorder.c: Ditto.
19149 * resource.c: Ditto.
19150 * var-tracking.c: Ditto.
19151 * cfgloop.c: Ditto.
19152 * df-problems.c: Ditto.
19153 * reg-stack.c: Ditto.
19155 * gccspec.c: Ditto.
19156 * sched-rgn.c: Ditto.
19157 * tree-ssa-structalias.c: Ditto.
19158 * tree-ssa-reassoc.c: Ditto.
19159 * config/darwin-c.c: Ditto.
19160 * config/darwin.c: Ditto.
19161 * config/arm/arm.c: Ditto.
19163 * collect2.c: Ditto.
19164 * reload1.c: Ditto.
19166 2006-01-31 Nicolas Pitre <nico@cam.org>
19168 * arm.md (smaxsi3): Make aware of smax_m1.
19171 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19173 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19175 2006-01-31 Richard Guenther <rguenther@suse.de>
19177 * doc/invoke.texi (-msselibm): Document.
19178 * target.h (expand_library_builtin): New target hook.
19179 * builtins.c (expand_builtin): Use expand_library_builtin.
19180 (default_expand_library_builtin): New function.
19181 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19182 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19183 (link_gcc_math_spec): Declare.
19184 (static_specs): Add link_gcc_math_spec.
19185 * expr.h (default_expand_library_builtin): Declare.
19186 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19187 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19188 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19189 * config/i386/i386.opt (msselibm): New target option.
19190 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19191 (ix86_init_sse_abi_builtins): New function.
19192 (ix86_expand_library_builtin): Likewise.
19193 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19194 (override_options): Handle error conditions wrt -msselibm.
19195 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19196 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19197 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19200 2006-01-31 Richard Guenther <rguenther@suse.de>
19201 Paolo Bonzini <bonzini@gnu.org>
19203 * doc/install.texi (--disable-libgcc-math): Document.
19205 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19207 * expr.h (expand_normal): new inline function.
19208 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19209 * dojump.c: use it.
19210 * dwarf2out.c: use it.
19213 * expmed.c: use it.
19214 * except.c: use it.
19215 * config/sparc/sparc.c: use it.
19216 * config/i386/i386.c: use it.
19217 * config/rs6000/rs6000.c: use it.
19218 * config/arm/arm.c: use it.
19219 * config/mips/mips.c: use it.
19220 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19222 2006-01-30 Roger Sayle <roger@eyesopen.com>
19224 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19225 argv to the appropriate type.
19227 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19229 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19232 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19235 * config/s390/s390.c (struct machine_function): New flag
19236 decomposed_literal_pool_addresses_ok_p.
19237 (s390_reorg): Set it before final stage of literal pool transforms.
19238 (s390_decompose_address): Only accept displacements of the form
19239 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19241 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19243 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19244 the comparison routine return.
19246 2006-01-30 Michael Matz <matz@suse.de>
19248 * global.c (find_reg): Only evict for global regs.
19249 Take n_refs into account and dump more info.
19251 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19254 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19255 (pragma_trap, pragma_nosave_low_regs): Likewise.
19256 (current_function_anonymous_args): Likewise.
19257 (sh_deferred_function_attributes): New variable.
19258 (sh_deferred_function_attributes_tail): Likewise.
19259 (print_operand): For '@', look up trap_exit attribute.
19260 (calc_live_regs): Look up trapa_handler attribute. For trapa
19261 handlers, save/restore fpscr, but don't do any other
19262 interrupt-specific saves.
19263 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19264 Fix check for partially saved registers to check for SHmedia.
19265 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19266 (sh_output_function_epilogue): Don't clear any of the removed
19268 (sh_insert_attributes): Don't check pragma_interrupt.
19269 Insert deferred attributes. Check that interrupt attribute is
19270 present for other attributes that require its presence.
19271 (sh_attribute_table): Add new attributes trapa_handler and
19273 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19274 Don't check for pragma_interrupt. Don't store argument.
19275 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19276 (sh_deferred_function_attributes): Declare.
19277 (sh_deferred_function_attributes_tail): Likewise.
19278 * sh.md (sp_switch_1): Add operand. Change generator caller.
19279 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19280 (*return_i): Don't use when trap_exit attribute is in effect.
19281 (*return_trapa): New insn pattern.
19282 * sh-c.c: New file.
19283 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19284 setting c_target_objs and cxx_target_objs.
19285 * t-sh: Add rule for sh-c.o.
19287 2006-01-30 Richard Guenther <rguenther@suse.de>
19290 * gimplify.c (gimplify_target_expr): Handle easy cases
19291 without creating a temporary.
19293 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19295 * vec.h (safe_grow): Remove duplicated line.
19297 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19300 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19301 (expand_omp): ... here.
19302 (expand_omp_parallel): Only remove barriers for combined
19303 parallel+workshare constructs.
19305 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19309 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19310 * tree.c (build_qualified_type): Chain the new type to the original
19311 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19312 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19313 (build_pointer_type_for_mode): Only return unqualified types.
19314 (build_reference_type_for_mode): Likewise.
19316 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19318 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19319 * Makefile.in (CXX_COMPAT_WARN): Define.
19320 * configure: Regenerate.
19322 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19325 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19328 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19330 * toplev.c: Fix thinko.
19332 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19333 Marcin Dalecki <martin@dalecki.de>
19335 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19336 (push_srcloc): Use XNEW.
19337 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19339 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19341 * df-core.c (df_set_blocks): Deleted all variable.
19343 2006-01-28 Ian Lance Taylor <ian@airs.com>
19345 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19346 cgraph_output_pending_asms.
19348 2006-01-28 Zack Weinberg <zackw@panix.com>
19350 * c.opt: Add -W(no-)overlength-strings.
19351 * doc/invoke.texi: Document it.
19352 * c-opts.c (c_common_handle_option): -pedantic implies
19353 -Woverlength-strings, if not explicitly disabled already.
19354 (c_common_post_options): -Woverlength-strings defaults to off, and
19355 is always off for C++.
19356 * c-common.c (fix_string_type): Issue warning about strings longer
19357 than is portable only if warn_overlength_strings. Rearrange code
19358 a little for clarity.
19359 * configure.in: Check for -Wno-overlength-strings as well before
19360 enabling -pedantic in stage 1.
19361 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19362 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19364 * genconditions.c (write_header, write_one_condition)
19365 (write_conditions, write_writer): Consolidate very long strings
19366 that were broken up to fit in C89 portable limit. Don't use
19367 printf when fputs will do.
19369 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19371 * combine.c (simplify_comparison <AND>): Check
19372 TRULY_NOOP_TRUNCATION before start using a subreg.
19374 * config/mips/mips.md (*branch_zero<mode>,
19375 *branch_zero<mode>_inverted, *branch_equality<mode>,
19376 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19377 Remove mode check from comparisons.
19379 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19381 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19383 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19385 * expmed.c (const_mult_add_overflow_p): Remove.
19386 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19388 * recog.c (validate_replace_rtx_subexp): Remove.
19389 * recog.h: Remove the prototype for
19390 validate_replace_rtx_subexp.
19392 * integrate.h: Remove the prototype for
19393 copy_decl_for_inlining.
19394 * rtl.h: Remove the prototype for mark_constant_function.
19395 * tree-vectorizer.h: Remove the prototype for
19396 vect_strip_conversion.
19398 * modulo-sched.c (create_partial_schedule,
19399 free_partial_schedule, reset_partial_schedule): Make them
19402 * hooks.c (hook_bool_rtx_int_false): Remove.
19403 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19405 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19407 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19408 and -mlong-double-128 are incompatible.
19409 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19410 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19411 (TARGET_LIBGCC2_CFLAGS): Define.
19412 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19413 (TARGET_LIBGCC2_CFLAGS): Same.
19414 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19416 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19419 * c-typeck.c (build_binary_op): Perform implicit casts of
19420 operands before shortening them.
19422 * cfgloopmanip.c (split_loop_bb): Remove.
19423 * cfgloop.h: Remove the prototype for split_loop_bb.
19425 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19426 * cfgloop.h: Remove the prototype for
19427 flow_loop_outside_edge_p.
19429 * emit-rtl.c (init_virtual_regs): Make it static.
19430 * function.h: Remove the prototype for init_virtual_regs.
19432 * recog.c (peephole2_optimize): Make it static.
19433 * recog.h: Remove the prototype for peephole2_optimize.
19435 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19437 * df-scan.c (df_record_entry_block_defs): Check if
19438 INCOMING_RETURN_ADDR_RTX is defined.
19440 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
19441 Kenneth Zadeck <zadeck@naturalbridge.com>
19443 PR rtl-optimization/24762
19444 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19445 * targhooks.c (hook_void_bitmap): New hook prototype.
19446 * targhoohs.h (hook_void_bitmap): Ditto.
19447 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
19448 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
19449 * target.h (live_on_entry): New function pointer.
19450 * df-scan.c (df_all_hard_regs): Removed.
19451 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
19452 (df_scan_free_internal): Added df->entry_block_defs.
19453 (df_scan_alloc): Ditto.
19454 (df_scan_dump): Ditto.
19455 (df_uses_record): Plumbed flag field properly thru calls.
19456 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
19457 This part fixes PR24762.
19458 (df_bb_refs_record): Added code to make the frame and arg
19459 pointers live in EH blocks.
19460 (df_refs_record): Added call to df_record_entry_block_defs.
19461 (df_record_entry_block_defs): New function.
19462 * df-core.c: Added comments to describe new artifical defs.
19463 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
19464 (entry_block_defs): New field in struct df.
19465 (df_all_hard_regs): Deleted.
19466 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19467 * df-problems.c (df_ru_bb_local_compute_process_def):
19468 Added code to handle artifical defs in the entry to a function.
19469 (df_ru_bb_local_compute): Ditto.
19470 (df_rd_bb_local_compute_process_def): Ditto.
19471 (df_rd_bb_local_compute): Ditto.
19472 (df_lr_bb_local_compute): Ditto.
19473 (df_ur_bb_local_compute): Ditto.
19474 (df_urec_bb_local_compute): Ditto.
19475 (df_chain_create_bb): Ditto.
19476 (df_ur_local_finalize): Removed entry.
19477 (df_urec_init): Ditto.
19478 (df_urec_local_finalize): Ditto.
19479 (df_ri_bb_compute): Added detection of last use of pseudos.
19480 * Makefile.in (df-scan.o): Updated dependencies.
19481 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
19482 * config/mips/mips.c (mips_set_live_on_entry): Added.
19483 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
19485 * dce.c (marked_insn_p): Added code to handle artifical defs.
19487 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19489 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
19491 (_mm_cvtsi128_si64): Likewise.
19492 (_mm_cvtsd_si64): Likewise.
19493 (_mm_cvttsd_si64): Likewise.
19494 (_mm_cvtsi64_sd): Likewise.
19495 (_mm_cvtsi64_si128): Likewise.
19496 * config/i386/mmintrin.h (_m_from_int64): Likewise.
19497 (_mm_cvtsi64_m64): Likewise.
19498 (_m_to_int64): Likewise.
19499 (_mm_cvtm64_si64): Likewise.
19500 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
19501 (_mm_cvttss_si64): Likewise.
19502 (_mm_cvtsi64_ss): Likewise.
19503 (_mm_cvtss_f32): Likewise.
19505 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
19507 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
19508 for pragma redefine_extname.
19510 2006-01-27 Jakub Jelinek <jakub@redhat.com>
19513 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
19514 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
19515 -mno-minimal-toc to previous content.
19516 (bispecs): Remove goal.
19517 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
19518 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
19519 compatibility aliases on powerpc-*-*gnu*.
19520 * config/rs6000/libgcc-ppc-glibc.ver: New file.
19521 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
19522 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19523 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
19524 (ldblspecs): New goal.
19525 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
19526 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
19528 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
19529 L_sf_to_tf or L_df_to_tf is defined.
19531 2006-01-27 David Edelsohn <edelsohn@gnu.org>
19532 Alan Modra <amodra@bigpond.net.au>
19535 * config/rs6000/linux.h (POWERPC_LINUX): Define.
19536 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
19537 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
19538 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
19539 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
19540 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
19541 (rs6000_override_options): Initialize rs6000_ieeequad.
19542 Initialize TFmode format to ibm_extended_format if not
19544 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
19546 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
19547 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
19548 (function_arg_advance): IBM long double passed in two FPRs, not
19550 (function_arg): IBM long double passed in FPRs.
19551 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
19552 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
19553 Only multireg GPR aligned.
19554 (rs6000_init_libfuncs): Enable IBM long double functions if not
19556 (rs6000_generate_compare): Use IBM long double compare if not
19558 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
19559 (TARGET_IEEEQUAD): Define.
19560 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
19561 not TARGET_IEEEQUAD.
19562 * config/rs6000/rs6000.md: Enable TFmode patterns if
19564 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19565 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19566 and -mlong-double-128 are incompatible.
19567 * doc/invoke.texi (-mabi): Collect options together. Add
19568 ibmlongdouble and ieeelongdouble.
19570 2006-01-27 Richard Sandiford <richard@codesourcery.com>
19572 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
19574 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
19575 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
19576 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
19577 * rtl.h (rtunion_def): Remove rt_ptr.
19579 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
19580 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
19581 * config/i386/winnt.c (i386_pe_mark_dllexport)
19582 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
19584 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
19586 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
19588 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19592 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
19593 pthread_key_delete. From John David Anglin. gthrw-ify
19594 pthread_getunique_np only if it it's not a macro. Delete
19596 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
19597 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
19598 __gthread_objc_condition_signal, __gthread_key_delete): Add
19599 "__attribute__ ((__unused__))" to unused arguments.
19600 (__gthread_recursive_mutex_init_function): Add missing return.
19601 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
19602 gthr-posix95.h: Use macro-based approach for name redirection
19603 on targets missing weakref.
19605 2006-01-26 Zack Weinberg <zackw@panix.com>
19607 * genconditions.c (write_header): In generated code, #ifdef out
19608 all includes and fake declarations, except includes of bconfig.h
19609 and system.h, unless GCC_VERSION >= 3001. Do not include
19610 gensupport.h in any case.
19611 (write_conditions): Generate a definition of struct c_test. Add
19612 a comment to the generated #endif.
19613 (write_one_condition): Escape backslashes in string too.
19614 (write_writer): Generated code must escape backslashes and quote
19615 marks (but not newlines) in the strings it writes.
19616 * Makefile.in (build/gencondmd.o): Update dependencies.
19618 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19621 * Makefile.in (insn-automata.o): Add header file dependencies.
19622 * genautomata.c: Add includes.
19624 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19627 * Makefile.in (insn-automata.o): Add -Wno-error flag.
19629 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19631 * configure.ac: Expect target tools paths to be passed from the toplevel
19632 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
19634 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
19636 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19639 * c.opt (Wpointer-sign): Init to -1.
19640 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
19641 OPT_pedantic, to 0 otherwise.
19642 * doc/invoke.texi: Update.
19644 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19646 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
19647 constants provided by 80387 instructions in the destination mode.
19649 2006-01-26 Richard Guenther <rguenther@suse.de>
19650 Andrew Pinski <pinskia@physics.uc.edu>
19653 partial PR tree-opt/17064
19654 * tree-ssa-structalias.c (intra_create_variable_infos):
19655 Create heap variables for incoming parameters if
19656 flag_argument_noalias > 1.
19657 (find_what_p_points_to): Look through default defs of
19660 2006-01-26 Jeff Law <law@redhat.com>
19663 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
19664 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
19665 within the VR_RANGE, use the VR_RANGE as the result, not the
19667 (adjust_range_with_scev): Reject ranges from SCEV which are out of
19668 bounds for the type.
19670 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
19672 * tree-ssa-alias.c (maybe_create_global_var): Change
19673 subvar walking to an assertion that we don't have subvar'd variables.
19675 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
19678 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
19679 Use a new variable, inner. PARM_DECLs are always non-weak.
19681 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
19683 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
19684 --disable-checking.
19686 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
19688 * config/mips/mips.md (*clear_upper32): New combiner pattern.
19690 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
19692 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19693 (smax_insn, smin_insn, smax_0, smin_0): New.
19695 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
19698 * config/cris/cris.c (cris_order_for_addsi3): New function.
19699 * config/cris/cris-protos.h: Prototype it.
19700 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
19701 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
19702 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
19703 (split for "op.S1 [rx=rx+i],ry (swapped)")
19704 (split for "op(s|u).S1 [rx=rx+i],ry")
19705 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
19706 Apply cris_order_for_addsi3 when generating addsi3 insns.
19708 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19710 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
19711 (TREE_BLOCK): Add call to EXPR_CHECK.
19713 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19716 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
19717 * tree-pretty-print.c (dump_omp_clause): Extract from ...
19718 (dump_omp_clauses): ... here.
19719 (dump_generic_node): Handle OMP_CLAUSE.
19720 * tree.c (omp_clause_num_ops): New.
19721 (omp_clause_code_name): New.
19722 (tree_code_size): Handle OMP_CLAUSE.
19723 (tree_size): Likewise.
19724 (make_node): Document handling of OMP_CLAUSE.
19725 (tree_node_structure): Handle OMP_CLAUSE.
19726 (omp_clause_check_failed): New.
19727 (omp_clause_range_check_failed): New.
19728 (omp_clause_operand_check_failed): New.
19729 (build_omp_clause): New.
19730 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
19731 * tree.h (enum omp_clause_code): Declare.
19732 (OMP_CLAUSE_SUBCODE_CHECK): Define.
19733 (OMP_CLAUSE_RANGE_CHECK): Define.
19734 (OMP_CLAUSE_ELT_CHECK): Define.
19735 (omp_clause_check_failed): Declare.
19736 (omp_clause_operand_check_failed): Declare.
19737 (omp_clause_range_check_failed): Declare.
19738 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
19739 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
19740 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
19741 (OMP_CLAUSE_LASTPRIVATE): Likewise.
19742 (OMP_CLAUSE_IF_EXPR): Likewise.
19743 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
19744 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
19745 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
19746 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
19747 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
19748 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
19749 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
19750 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
19751 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
19752 (OMP_CLAUSE_CODE): Define.
19753 (OMP_CLAUSE_SET_CODE): Define.
19754 (OMP_CLAUSE_CODE): Define.
19755 (OMP_CLAUSE_OPERAND): Define.
19756 (struct tree_omp_clause): Declare.
19757 (union tree_node): Add field 'omp_clause'.
19758 * treestruct.def (TS_OMP_CLAUSE): Define.
19759 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
19760 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
19761 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
19762 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
19763 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
19764 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
19765 (OMP_CLAUSE): Define.
19766 * print-tree.c (print_node): Handle OMP_CLAUSE.
19767 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
19768 * c-typeck.c: Likewise.
19769 * gimplify.c: Likewise.
19770 * c-omp.c: Likewise.
19771 * tree-nested.c: Likewise.
19772 * tree-inline.c: Likewise.
19773 * c-parser.c: Likewise.
19774 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
19777 2006-01-25 Roger Sayle <roger@eyesopen.com>
19779 PR rtl-optimization/25703
19780 * combine.c (try_combine): Handle zero_extract and strict_low_part
19781 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
19783 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
19785 * global.c: Fix comment typos.
19787 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
19790 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
19791 Use output_addr_const instead of assemble_name.
19793 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
19795 * Makefile.in (sched-vis.o): Update dependencies.
19796 * haifa-sched.c (sched_finish): Clear current_sched_info.
19797 * cfg.c (dump_bb_info): New, split from dump_flow_info.
19798 (dump_flow_info): Call it.
19799 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
19801 * basic-block.h (dump_bb_info): Declare.
19802 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
19803 option, and apply options only for dump files whose TDF_RTL,
19804 TDF_TREE, or TDF_IPA bits match.
19805 * rtl.h: Declare new functions exported from sched-vis.c.
19806 * sched-vis.c: Enable also if scheduling is not used.
19807 (print_value): Print the mode of registers if not inside scheduling.
19808 (print_insn): Make it work outside the scheduler. Beautify the output
19810 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
19812 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19814 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
19815 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
19816 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
19817 depending on the value of CONSTANT_POOL_ADDRESS_P.
19818 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
19820 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
19821 rather than SYMBOL_REF_DECL.
19822 (rtx_constant_pool): Remove const_rtx_sym_htab.
19823 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
19824 (init_varasm_status): Don't initialize const_rtx_sym_htab.
19825 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
19826 Remove handling of const_rtx_sym_htab.
19827 (find_pool_constant): Delete.
19828 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
19829 rather than find_pool_constant.
19830 (get_pool_constant_for_function): Delete.
19831 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
19832 find_pool_constant.
19833 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
19834 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
19835 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
19836 (SYMBOL_REF_CONSTANT): New macro.
19837 (get_pool_constant_for_function): Delete.
19838 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
19839 rather than SYMBOL_REF_DECL.
19840 (i386_pe_mark_dllimport): Likewise.
19841 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
19842 rather than SYMBOL_REF_DECL.
19843 * config/darwin.c (machopic_indirect_data_reference): Likewise.
19844 (machopic_indirect_call_target): Likewise.
19846 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
19848 * flow.c (delete_noop_moves): Add missing EOL to dump message.
19850 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19852 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
19854 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
19856 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
19858 2006-01-24 David Daney <ddaney@avtrex.com>
19861 * configure.ac (enable_tls): New enable option.
19862 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
19863 * configure: Regenerate.
19864 * doc/install.texi (--enable-tls): Document new option.
19865 (--disable-tls): Ditto.
19867 2006-01-24 Richard Henderson <rth@redehat.com>
19869 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
19870 * alias.c (true_dependence): Respect it.
19871 (canon_true_dependence, write_dependence_p): Likewise.
19872 * builtins.c (get_builtin_sync_mem): Set it.
19874 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
19876 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
19879 2006-01-24 DJ Delorie <dj@redhat.com>
19881 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
19882 for storing constants in single-bit bitfields.
19884 2006-01-25 Ben Elliston <bje@au.ibm.com>
19886 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
19888 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
19891 * tree-ssa-pre.c (phi_translate): Return NULL
19892 for AGGREGATE_TYPE's.
19894 2006-01-24 Zack Weinberg <zackw@panix.com>
19896 * genautomata.c (process_state_for_insn_equiv_partition):
19897 Use xcalloc for insn_arcs_array.
19898 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
19899 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
19901 2006-01-24 Richard Henderson <rth@redhat.com>
19903 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
19904 update all callers.
19906 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
19908 PR rtl-optimization/25890
19909 PR rtl-optimization/25905
19910 * combine.c (expand_compound_operation, expand_field_assignment):
19911 Fail if the bitfield's final position is out of bounds.
19913 2006-01-24 Ian Lance Taylor <ian@airs.com>
19915 PR middle-end/25930
19916 * cgraphunit.c (cgraph_output_in_order): Don't clear
19917 cgraph_asm_nodes until after asm strings have been output.
19919 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
19921 * fix-header.c (read_scan_file): Add new parameter imultilib when
19922 calling register_include_chains.
19924 2006-01-23 Diego Novillo <dnovillo@redhat.com>
19926 * omp-low.c: Update documentation.
19928 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19929 Daniel Berlin <dberlin@dberlin.org>
19933 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
19934 return from the function.
19936 2006-01-22 Zack Weinberg <zackw@panix.com>
19938 * rtl.def (match_code): Add second argument.
19939 * genpreds.c (write_extract_subexp): New function.
19940 (write_match_code): Add path argument. Use write_extract_subexp.
19941 (write_predicate_expr): Pass path to write_match_code.
19942 (mark_mode_tests): MATCH_CODE applied to a subexpression does
19943 not perform a mode test.
19944 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
19945 a subexpression does not constrain the top-level code set.
19946 * read-rtl.c (read_rtx_variadic): New function.
19947 (read_rtx_1): Use it; allow AND and IOR to be variadic.
19948 * doc/md.texi: Document new notation.
19949 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
19950 (cmpsi_operand): ... here, using new notation.
19952 2006-01-22 Zack Weinberg <zackw@panix.com>
19954 * varray.c: Remove GENERATOR_FILE #ifdefs.
19956 2006-01-22 Zack Weinberg <zackw@panix.com>
19958 * genautomata.c (output_reserved_units_table): Emit nothing if
19959 description->query_units_num is zero. Remove extra blank line.
19960 (output_cpu_unit_reservation_p): Short circuit
19961 if description->query_units_num is zero.
19963 2006-01-22 Zack Weinberg <zackw@panix.com>
19965 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
19966 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
19967 nor any of the random handful of variables that used to be necessary
19968 when this program was linked with rtlanal.o. Prune set of forward
19969 function declarations.
19970 (struct attr_desc): Remove static_p field.
19971 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
19972 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
19973 (attr_string): Do not read the character one past the length of
19975 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
19976 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
19977 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
19978 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
19979 (make_automaton_attrs): New.
19980 (main): Do not call into genautomata. Call local gen_bypass
19981 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
19982 Remove special case for insn_alts.
19983 * genautomata.c: Include gensupport.h; not genattrtab.h nor
19984 varray.h (leftover from previous change). Prune set of forward
19985 function declarations. Remove state_alts fields from all
19986 structures. Remove state_alts_table from struct automaton.
19987 Make everything except main static. Do not maintain num_dfa_decls.
19988 Do not maintain state_alts fields of various structures.
19989 (process_decls): Don't validate condexp for dm_insn_reserv decls.
19990 (add_arc): Remove state_alts argument. All callers updated.
19991 (output_reserved_units_table): Emit #ifdef here...
19992 (output_tables): ...not here. Don't generate state_alts tables.
19993 (expand_automata): Don't generate attributes.
19994 (write_automata): Don't generate state_alts functions.
19995 (main): New function.
19996 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
19997 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
19998 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
19999 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20000 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20001 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20002 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20003 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20005 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20006 * genattrtab.h: Delete file.
20007 * Makefile.in (OBJS-common): Add insn-automata.o.
20008 (insn-automata.o): New rule.
20009 (simple_generated_c): Add insn-automata.c.
20010 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20011 (genprogmd): Add automata.
20012 (build/genattrtab): Needs no extra objects nor libraries.
20013 (build/genautomata): Needs build/vec.o and -lm.
20015 2006-01-22 Zack Weinberg <zackw@panix.com>
20017 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20018 (output_dfa_max_issue_rate, locked_states_num): Delete.
20019 (struct automaton): Add locked_states field.
20020 (output_dead_lock_vect): Save number of locked states in
20021 automaton->locked_states. If it is zero, don't print anything.
20022 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20023 (output_internal_dead_lock_func): Only test the dead_lock_vect
20024 for automata that have locked states.
20025 (output_statistics): Always print the number of locked states for
20026 each automaton. Calculate total number of locked states here.
20027 (write_automata): Don't call output_dfa_max_issue_rate.
20028 * genattrtab.c: Define length_unit_log as a const variable.
20029 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20030 max_insn_queue_index const.
20031 * final.c (length_unit_log): Declare const.
20032 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20034 2006-01-22 Zack Weinberg <zackw@panix.com>
20036 * genautomata.c: Include vec.h, not varray.h.
20037 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20038 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20039 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20040 VEC_* macros operating on appropriately typed vectors, or to
20041 malloced arrays when the size is known in advance. Const-ify
20042 many char* variables and function arguments. No functional changes.
20043 * Makefile.in (build/varray.o): Delete rule.
20044 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20045 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20047 2006-01-22 Zack Weinberg <zackw@panix.com>
20049 * gensupport.c: Define get_insn_name and record_insn_name here.
20050 (read_md_rtx): Call record_insn_name as appropriate.
20051 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20052 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20053 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20055 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20056 (BUILD_VARRAY): Delete.
20057 (genprognormal): Rename genprogmd. Fold in all programs from
20058 genprognoprint; also attrtab.
20059 (build/genattrtab): Just mention genautomata.o and varray.o.
20060 Reorganize a bit, add comments to make the categories clearer.
20062 2006-01-22 Zack Weinberg <zackw@panix.com>
20064 * genconditions.c (condition_table, add_condition): Delete.
20065 (write_conditions): Don't emit n_insn_conditions nor
20066 insn_elision_unavailable. Issue the gcc version #ifdef here,
20067 inside the table, with no #else clause ...
20068 (write_header): ...not here.
20069 (write_writer): New function.
20070 (main): Don't initialize condition_table. Use add_c_test.
20072 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20073 files on the command line.
20074 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20075 Return -1 if there is no entry in the table, don't abort.
20076 (add_c_test, traverse_c_tests): New functions.
20077 * gensupport.h (insn_elision_unavailable, insn_conditions)
20078 (n_insn_conditions): Delete declarations.
20079 (add_c_test, traverse_c_tests): Declare.
20080 * read-rtl.c: Include gensupport.h.
20081 (read_conditions): New function.
20082 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20083 (read_rtx_1): If we get EOF when we were looking for an initial
20084 open paren, return 0. Call read_conditions when appropriate.
20085 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20086 dummy-conditions.o. Eliminate references to insn-conditions.o,
20087 or change them to build/gencondmd.o, as appropriate. Remove
20088 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20089 from $(simple_generated_c). For all files remaining in those
20090 two lists, add insn-conditions.md to the generator command line.
20091 Give insn-constants.h/s-constants their own rules. Add rules
20092 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20093 (build/read-rtl.o): Depend on gensupport.h.
20094 (genprognormal): Include preds.
20095 (genprogearly): Rename genprognoprint; only difference is now that
20096 they don't link with $(BUILD_PRINT).
20097 * dummy-conditions.c: Delete.
20099 2006-01-22 Zack Weinberg <zackw@panix.com>
20101 * genextract.c: Don't include insn-config.h. Do include vec.h.
20102 Declare vectors of int, char, and locstr.
20103 (locstr): New typedef.
20104 (struct extraction): Make all array fields into bare pointers.
20105 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20106 (insn_code_number): Delete.
20107 (accum_extract): New struct.
20108 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20109 (gen_insn): Take insn_code_number as an argument. Use an
20110 accum_extract structure instead of loading data directly into
20111 a struct extraction, and having to know how big it might get.
20112 (walk_rtx): Operate entirely on an accum_extract structure.
20113 (print_path): Avoid unnecessary use of printf.
20114 (print_header): New function, split out of main. Distinguish
20115 more carefully between an unrecognizable insn and an insn that
20116 has the code number of a define_expand.
20117 (main): Pass insn_code_number to gen_insn. Call print_header
20118 only after parsing. Avoid unnecessary use of printf.
20119 * Makefile.in (build/vec.o): New rule.
20120 (build/genextract): Depend on build/vec.o.
20121 (build/genextract.o): Don't depend on insn-config.h.
20123 2006-01-22 Zack Weinberg <zackw@panix.com>
20125 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20126 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20127 practical. Eliminate per-generator-program link rules.
20129 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20131 PR middle-end/24437
20132 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20133 with a call expr to ...
20134 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20136 2006-01-23 Richard Guenther <rguenther@suse.de>
20138 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20139 before make_edge with conditional EDGE_TRUE_VALUE.
20141 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20142 Jan Hubicka <jh@suse.cz>
20143 Richard Guenther <rguenther@suse.de>
20145 PR rtl-optimization/25654
20146 * cfgexpand.c (aggregate_contains_union_type): New function.
20147 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20148 for structure variables that contain a union type.
20150 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20152 * gengtype.c (new_structure): Return the structure.
20153 (create_option): Add an extra "next" argument.
20154 (create_field): New function.
20155 (adjust_field_rtx_def): Use create_option and create_field.
20156 Remove a now-unnecessary call to find_structure.
20157 (adjust_field_tree_def): Likewise.
20158 (note_yacc_type): Remove an unnecessary call to find_structure.
20159 * gengtype.h (new_structure): Return the structure.
20160 (create_option): Add an extra argument.
20161 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20162 (option): Adjust calls to create_option.
20164 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20166 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20168 2006-01-22 Paul Brook <paul@codesourcery.com>
20169 Peter Barada <peter@the-baradas.com>
20171 * config/m68k/m68k.md: Add Coldfire FPU support.
20172 Define FP mode macro and associated attributes.
20173 Use it for float mode patterns.
20174 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20175 (LIBCALL_VALUE): Use m68k_libcall_value.
20176 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20177 (m68k_function_value): Ditto.
20178 (emit_move_sequence): Ditto.
20179 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20180 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20181 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20182 (MULTILIB_EXCEPTIONS): Ditto.
20183 * config/m68k/m68k.opt: Add mcfv4e.
20184 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20185 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20186 (m68k_output_function_prologue): Save ColdFire FPU registers.
20187 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20188 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20189 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20190 ColdFire FPU registers.
20191 (m68k_libcall_value, m68k_function_value): New functions.
20192 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20193 (LIBCALL_VALUE): Use m68k_libcall_value.
20194 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20195 (MASK_COLDFIRE): Add MASK_CFV4E.
20196 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20197 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20198 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20199 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20200 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20201 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20202 * doc/invoke.tex: Document -mcfv4e on m68k.
20204 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20206 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20209 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20212 * c-opts.c (c_common_handle_option): Don't include
20213 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20214 * doc/invoke.texi (C++ Dialect Options): Document that
20215 -Wnon-virtual-dtor is no longer included in -Wall.
20217 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20219 * gcov.c (print_version), gcov-dump.c (print_version),
20220 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20223 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20225 * df-scan.c (problem_SCAN): Added NULL reset function.
20226 (df_scan_reset_blocks): Added code to call reset block function
20227 (df_bb_refs_delete) Fixed comment.
20228 (df_insn_refs_delete): Made tolerant of deleting non existent info
20229 for dataflow problems that need to be reset.
20230 * df-core.c (df_set_blocks): Ditto.
20231 * df.h (struct df_problem): Added reset_fun.
20232 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20233 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20234 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20235 functions to clear out all references to def-use or use-def chains.
20237 2006-01-21 Ben Elliston <bje@au.ibm.com>
20239 * varasm.c (assemble_real): Initialise data array.
20241 2006-01-20 Paul Brook <paul@codesourcery.com>
20243 Merge from csl-arm-branch.
20244 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20245 * config/arm/arm.md (movdi): Force operands[1] to a register
20246 if we have a non-register source.
20247 (*arm_movdi, *movdf_soft_insn): Require that one of the
20248 operands be a register.
20249 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20250 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20252 2006-01-20 DJ Delorie <dj@redhat.com>
20254 * varasm.c (initializer_constant_valid_p): Allow pointers
20255 initialized from integer constants of lesser precision.
20256 (output_constant): Allow non-int-sized pointer modes to be
20257 initialized from integer constants.
20259 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20262 * cppdefault.h (struct default_include): Add multilib flag.
20263 * cppdefault.c (cpp_include_defaults): Set it.
20264 * c.opt (-imultilib): New option.
20265 * c-opts.c (imultilib): New.
20266 (c_common_handle_option): Handle -imultilib.
20267 (c_common_post_options): Likewise.
20268 * c-incpath.c (add_standard_paths, register_include_chains):
20270 * c-incpath.h (register_include_chains): Add extra parameter.
20271 * gcc.c (do_spec_1): Generate -imultilib option.
20272 (The Specs Language): Update %I description.
20273 (process_command): Update copyright notice.
20274 * doc/cppopts.texi (-imultilib): Document.
20275 * doc/invoke.texi (-imultilib): Include in option summary.
20276 (%I): Update specs documentation.
20278 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20280 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20282 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20284 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20287 2006-01-20 Richard Guenther <rguenther@suse.de>
20288 Steven Bosscher <stevenb.gcc@gmail.com>
20290 PR rtl-optimization/24626
20291 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20292 EDGE_TRUE_VALUE if in RTL mode.
20295 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20296 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20298 2006-01-20 Dirk Mueller <dmueller@suse.com>
20301 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20302 instead of a special NOP marker.
20303 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20304 NOP marker handling.
20305 * c-common.h (empty_body_warning): Add forward declaration.
20306 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20307 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20309 2006-01-20 Paul Brook <paul@codesourcery.com>
20311 * Makefile.in (lang_checks): Keep going if mkdir fails.
20313 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20315 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20316 be able to clean out basic block when not necessary.
20317 (df_scan_free): Fixed to properly delete information if df is
20318 unused before calling df_finish.
20319 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20320 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20322 (df_bb_refs_delete): New function.
20323 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20324 * df-core.c (df_set_blocks): Added code to properly clean out
20325 unused blocks if they are not part of the blocks to consider.
20326 Added additional null check.
20327 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20328 be able to clean out basic block when not necessary
20329 * df.h (df_free_bb_function): Ditto.
20330 (df_bb_refs_delete): New function.
20331 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20332 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20333 basic block parameter to be able to clean out basic block when not
20335 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20336 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20337 Fixed to properly delete information if df is unused before
20340 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20342 PR rtl-optimization/25799
20343 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20344 Corrected confluence operator to remove bits from op2 before oring
20345 with op1 rather than removing bits from op1.
20346 (df_ru_transfer_function): Corrected test on wrong bitmap which
20347 caused infinite loop. Both of these problems were introduced in
20348 the dataflow rewrite.
20350 2006-01-19 DJ Delorie <dj@redhat.com>
20352 * reload1.c (find_reload_regs): Note the details of reload
20353 failures in the dump file.
20354 (spill_failure): Likewise.
20356 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20358 * loop-iv.c: Include df.h and hashtab.h.
20359 (enum iv_grd_result): New enum.
20360 (DF_REF_IV, DF_REF_IV_SET): New macros.
20361 (struct biv_entry): New.
20362 (df, bivs): New global variables.
20363 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20364 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20366 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20367 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20368 analyzed_for_bivness_p, record_biv): New functions.
20369 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20370 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20371 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20373 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20375 (iv_number_of_iterations): Use new interface to iv analysis.
20376 * loop-unroll.c: Do not include varray.h.
20377 (analyze_iv_to_split_insn): Use new interface to iv
20379 * loop-unswitch.c (may_unswitch_on): Ditto.
20380 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20382 (df_bb_modify): Realloc tables to the new index.
20383 (df_find_use): New function.
20384 * df.h (df_find_use): Declare.
20385 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20387 * cfgloop.h (struct rtx_iv): Remove analysed field.
20388 (iv_get_reaching_def): Removed.
20389 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20390 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20391 (loop-iv.o): Add df.h and hashtab.h dependency.
20392 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20394 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20397 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20399 (__floatundisf, __floatundidf): Likewise.
20400 * libgcc2.h (IS_IBM_EXTENDED): Define.
20402 2006-01-19 DJ Delorie <dj@redhat.com>
20404 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20406 2006-01-19 Paul Brook <paul@codesourcery.com>
20408 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20409 as nothrow when unwinding tables are disabled.
20411 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20414 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20415 of bit-field" when in system header.
20417 2006-01-19 DJ Delorie <dj@redhat.com>
20419 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20420 the 16 bit shift limit of the m16c.
20422 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20425 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20426 * config/i386/i386.c (output_set_got): Output the label if we have one
20427 for the TARGET_DEEP_BRANCH_PREDICTION case.
20429 2006-01-19 Jan Hubicka <jh@suse.cz>
20430 H.J. Lu <hongjiu.lu@intel.com>
20431 Evandro Menezes <evandro.menezes@amd.com>
20433 * invoke.texi (generic): Document
20435 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
20436 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
20437 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
20438 (x86_use_incdec, x86_pad_returns): New variables
20439 (TARGET_CPU_DEFAULT_generic): New constant
20440 (TARGET_CPU_DEFAULT_NAMES): Add generic.
20441 (enum processor_type): Add generic32 and generic64.
20442 * i386.md (cpu attribute): Add generic32/generic64
20443 (movhi splitter): Behave sanely when both partial_reg_dependency and
20444 partial_reg_stall are set.
20445 (K8 splitters): Enable for generic as well.
20446 * predicates.md (incdec_operand): Use TARGET_INCDEC
20447 (aligned_operand): Avoid memory mismatch stalls.
20448 * athlon.md: Enable for generic64, new patterns for 128bit moves.
20449 * ppro.md: Enable for generic32
20450 * i386.c (generic64_cost, generic32_cost): New.
20451 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
20452 (x86_use_leave): Enable for generic64. (x86_use_sahf,
20453 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
20454 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
20455 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
20456 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
20457 x86_partial_reg_dependency, x86_memory_mismatch_stall,
20458 x86_accumulate_outgoing_args, x86_prologue_using_move,
20459 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
20460 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
20461 Enable for generic.
20462 (x86_use_incdec, x86_pad_returns): New.
20463 (override_options): Add generic32 and generic64, translate "generic"
20464 to generic32/generic64 and "i686" to "generic32", refuse
20465 "generic32"/"generic64" as arch target.
20466 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
20467 (ix86_reorg): Honor PAD_RETURNS.
20469 2006-01-19 Diego Novillo <dnovillo@redhat.com>
20471 * tree-pretty-print.c (dump_generic_node): Handle
20472 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
20473 * cgraph.c (cgraph_expand_queue): Rename from
20474 cgraph_analyze_queue. Update all users.
20475 * cgraphunit.c (cgraph_assemble_pending_functions): Process
20476 cgraph_expand_queue.
20477 (cgraph_expand_all_functions): Likewise.
20478 (cgraph_finalize_pending_functions): Remove. Update callers.
20480 * tree.h (OMP_DIRECTIVE_P): Define.
20481 (OMP_PARALLEL_FN): Define.
20482 (OMP_PARALLEL_DATA_ARG): Define.
20483 (OMP_SECTIONS_SECTIONS): Define.
20484 * tree-pass.h (pass_expand_omp): Declare.
20485 * omp-low.c (struct omp_region): Declare.
20486 (struct omp_context): Remove fields 'parallel_type',
20487 'parallel_start_ix' and 'parallel_start_additional_args'.
20489 (struct omp_for_data): Rename from struct expand_omp_for_data.
20490 (omp_regions): New static variable.
20491 (root_omp_region): New static variable.
20492 (find_omp_clause): Make static.
20493 (is_in_combined_parallel_ctx): Remove.
20494 (is_combined_parallel): New.
20495 (extract_omp_for_data): Move earlier in the file.
20496 (workshare_safe_to_combine_p): New.
20497 (get_ws_args_for): New.
20498 (determine_parallel_type): Move earlier in the file.
20499 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
20501 (omp_copy_decl): Likewise.
20502 (create_omp_child_function): Likewise.
20503 (lookup_omp_region): New.
20504 (dump_omp_region): New.
20505 (debug_omp_region): New.
20506 (debug_all_omp_regions): New.
20507 (new_omp_region): New.
20508 (scan_omp_parallel): If parallel_nesting_level > 1, the
20509 directive is nested within another parallel directive.
20510 Set OMP_PARALLEL_FN.
20511 (scan_omp_for): Do not try to handle combined parallel+for
20513 Remove FIXME comment.
20514 (scan_omp_nested): Remove.
20515 (scan_omp_1): Do not call scan_omp_nested when
20516 parallel_nesting_level is > 1.
20517 Do not change the DECL_CONTEXT of local variables found.
20518 (lookup_decl_in_outer_ctx): New.
20519 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
20520 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
20521 (lower_reduction_clauses): Rename from expand_reduction_clauses.
20522 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
20523 If CTX is nested, lookup VAR in the outer context when
20524 building copy assignment.
20525 (lower_send_clauses): Rename from expand_send_clauses.
20526 If CTX is nested, lookup VAR in the outer context when
20527 building copy assignments.
20528 (lower_send_shared_vars): Rename from expand_send_shared_vars.
20529 If CTX is nested, lookup VAR in the outer context when
20530 building copy assignments.
20531 (expand_parallel_call): Rename from build_parallel_call.
20532 Handle combined parallel+workshare cases.
20533 Re-implement to emit code into the CFG.
20535 (expand_omp_parallel): Re-implement to emit code into the CFG.
20536 Call move_sese_region_to_fn to outline the sub-graph
20537 containing the parallel region.
20538 (expand_omp_for_1): Remove.
20539 (expand_omp_for_generic): Re-implement to emit code into the
20541 (expand_omp_for_static_nochunk): Likewise.
20542 (expand_omp_for_static_chunk): Likewise.
20543 (expand_omp_for): Likewise.
20544 (expand_omp_sections): Likewise.
20545 (remove_exit_barriers): New.
20546 (expand_omp_synch): New.
20548 (build_omp_regions_1): New.
20549 (build_omp_regions): New.
20550 (execute_expand_omp): New.
20551 (gate_expand_omp): New.
20552 (pass_expand_omp): Define.
20553 (lower_omp_sections): Rename from expand_omp_sections.
20554 Set OMP_SECTIONS_SECTIONS.
20555 (lower_omp_single_simple): Rename from expand_omp_single_simple.
20556 (lower_omp_single_copy): Rename from expand_omp_single_copy.
20557 (lower_omp_single): Rename from expand_omp_simple.
20558 (lower_omp_master): Rename from expand_omp_master.
20559 (lower_omp_ordered): Rename from expand_omp_ordered.
20560 (lower_omp_critical): Rename from expand_omp_critical.
20561 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
20562 (lower_omp_for): Re-implement.
20563 (lower_omp_parallel): Re-implement.
20564 (lower_regimplify): Rename from expand_regimplify.
20565 (lower_omp_1): Rename from expand_omp_1.
20566 If there are syntax errors in the program, replace every
20567 OpenMP directive with NOP.
20568 Call lower_omp_* instead of expand_omp_*.
20569 (lower_omp): Rename from expand_omp.
20571 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
20572 * tree-gimple.h (enum omp_parallel_type): Remove.
20573 (gimple_boolify): Declare extern.
20574 (find_omp_clause, determine_parallel_type): Remove.
20576 * gimple-low.c (lower_omp_directive): New.
20577 (lower_stmt): Call it.
20578 (record_vars_into): Move from ...
20579 (record_vars): ... here.
20580 Call record_vars_into with current_function_decl.
20582 * gimplify.c (struct gimplify_ctx): Remove fields
20583 combined_pre_p and combined_ctxp. Update users.
20584 (get_formal_tmp_var): Add documentation.
20585 (gimple_boolify): Make extern.
20586 (gimplify_expr_in_ctx): Remove. Update callers.
20587 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
20588 will always be a BIND_EXPR.
20589 (gimplify_expr): Handle OMP_RETURN_EXPR.
20590 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
20591 (OMP_PARALLEL): Add 3 operands.
20592 (OMP_SECTIONS): Add 1 operand.
20593 (OMP_RETURN_EXPR): Define.
20595 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
20596 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
20597 * tree-iterator.c (alloc_stmt_list): Assert that we are not
20598 creating a circular free list.
20599 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
20601 * tree-flow.h (move_sese_region_to_fn): Declare.
20602 (record_vars_into): Declare.
20603 * tree-cfg.c (make_omp_sections_edges): New.
20604 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
20605 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
20606 OMP_SECTIONS and OMP_SECTION.
20607 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
20608 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
20609 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
20610 (gather_blocks_in_sese_region): New.
20611 (struct move_stmt_d): Declare.
20612 (move_stmt_r): New.
20613 (move_block_to_fn): New.
20614 (move_sese_region_to_fn): New.
20616 * passes.c (init_optimization_passes): Schedule
20617 pass_expand_omp after pass_init_datastructures.
20619 * tree-ssa-operands.c (get_expr_operands): Handle
20620 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
20621 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
20623 2006-01-19 Jeff Law <law@redhat.com>
20625 * tree-vrp.c (extract_range_from_assert): Refine the result range
20626 if the variable referenced by the ASSERT_EXPR has a range and
20627 either the tentative result range or the previous range is a
20630 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20632 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
20634 2006-01-19 Jan Hubicka <jh@suse.cz>
20636 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
20638 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
20640 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
20641 (expand_compound_operation, expand_field_assignment): Fail if the
20642 bit lengths of an extract operation are out of range.
20643 (make_extraction): Compute wanted_inner_mode based on the position
20644 and length of the extraction. Make it extraction_mode for non-constant
20645 positions, and do not modify offset in that case. When generating a
20646 new MEM, use a mode that can hold the extraction while keeping correct
20647 alignment. Remove code that supported MEMs wrapped by USEs.
20648 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
20650 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
20652 * config/s390/s390.md ("Y", "y"): New mode attribute.
20653 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
20654 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
20655 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
20656 "*addsi3_imm_cc", "*addsi3_carry1_cc",
20657 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
20658 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
20659 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
20660 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
20661 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
20662 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
20663 "addsi3", "subsi3"): Insn patterns removed.
20664 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
20665 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
20666 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
20667 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
20668 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
20669 "*sub<mode>3_cconly2"): New insn patterns.
20670 ("addsi3", "subsi3"): New expanders.
20672 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
20674 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
20675 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
20676 existing STMT_VINFO_VECTYPE if available.
20677 (vect_mark_relevant): Add special handling for stmts that are
20678 marked as STMT_VINFO_IN_PATTERN_P.
20679 (vect_analyze_loop): Call vect_pattern_recog.
20680 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
20681 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
20683 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
20684 (vect_recog_func_ptr): New function-pointer type.
20685 * tree-vect-patterns.c: New file.
20686 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
20687 (vect_recog_dot_prod_pattern, vect_pattern_recog):
20688 (vect_pattern_recog_1): New functions.
20689 (vect_pattern_recog_funcs): New array of function pointers.
20691 * tree-vectorizer.h (ternary_op): New enum value.
20692 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
20693 declaration. Revised documentation. Removed redundant dump prints.
20694 Removed redundant argument. Added support for reduction patterns.
20695 (vectorizable_reduction): Added support for reduction patterns.
20696 (vect_transform_stmt): Added support for patterns.
20698 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
20699 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
20700 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
20701 (expand_widen_pattern_expr): New function.
20702 (init_optabs): Initialize new optabs udot_prod_optab,
20704 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
20705 (sdot_prod_optab, udot_prod_optab): Define new optabs.
20706 (expand_widen_pattern_expr): New function declaration.
20707 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
20709 * tree-inline.c (estimate_num_insns_1): Added cases for new
20710 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20711 * tree-pretty-print.c (dump_generic_node): Likewise.
20712 (op_prio): Likewise.
20713 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20714 * tree-ssa-operands.c (get_expr_operands): Added case for
20716 * tree-vect-patterns.c (widened_name_p): New function.
20717 (vect_recog_dot_prod_pattern): Added function implementation.
20718 * tree-vect-transform.c (get_initial_def_for_reduction): Added
20719 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
20720 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
20721 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
20723 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
20724 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
20725 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
20726 (init_optabs): Initialize new optabs widen_ssum_optab,
20728 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
20729 (widen_ssum_optab, widen_usum_optab): Define new optabs.
20730 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
20731 use instead of type of def.
20732 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
20733 function implementation.
20734 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
20735 widen_ssumv8hi): New.
20737 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
20740 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20743 * c-decl.c (add_flexible_array_elts_to_size): New function.
20744 (finish_decl): Use it.
20746 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
20748 * diagnostic.h: Include options.h.
20749 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
20750 dependancies for diagnostic.h.
20751 * Makefile.in (DIAGNOSTIC_H): Add options.h.
20753 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
20755 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
20756 (ssa_ro_call_cache_valid): Ditto.
20757 * tree-ssa-alias.c (sort_tags_by_id): New function.
20758 (init_transitive_clobber_worklist): Ditto.
20759 (add_to_worklist): Ditto.
20760 (mark_aliases_call_clobbered): Ditto.
20761 (compute_tag_properties): Ditto.
20762 (set_initial_properties): Ditto.
20763 (compute_call_clobbered): Ditto.
20764 (compute_may_aliases): Call compute_call_clobbered and grouping.
20765 (compute_flow_sensitive_aliasing): Remove clobbering related code.
20766 (compute_flow_insensitive_aliasing): Grouping now happens in our
20768 (setup_pointers_and_addressables): Remove clobbering related code.
20769 (add_may_alias): Ditto.
20770 (replace_may_alias): Ditto.
20771 (get_nmt_for): Ditto.
20772 (create_global_var):
20773 (is_escape_site): Return an escape_type enumeration.
20774 * tree-flow-inline.h (is_call_clobbered): Global var does not
20775 imply call clobbered.
20776 (mark_call_clobbered): Take a reason for marking this. Remove
20777 marking of globalness, and cache invalidation.
20778 (clear_call_clobbered): Remove cache invalidation code.
20779 * tree-dfa.c (dump_variable): If details is on, dump the reason
20781 * tree-outof-ssa.c (create_temp): Copy escape mask from original
20783 * tree-flow.h (struct ptr_info_def): Add escape mask member.
20784 (struct var_ann_d): Ditto.
20785 (enum escape_type): New.
20786 (mark_call_clobbered): Adjust prototype.
20787 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
20788 are never call clobbered.
20789 Record reasons for escaping.
20790 * tree-ssa-structalias.h (is_escape_site): Update prototype.
20791 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
20792 (ssa_ro_call_cache_valid): Ditto.
20793 (clobbered_v_may_defs): Ditto.
20794 (clobbered_vuses): Ditto.
20795 (ro_call_vuses): Ditto.
20796 (clobber_stats): New.
20797 (init_ssa_operands): Zero out clobber stats.
20798 (fini_ssa_operands): Print out clobber stats.
20799 (get_call_expr_operands): Pass callee fndecl to
20800 add_call_read_ops).
20801 (add_call_clobber_ops): Remove use of cache.
20802 Add use of PURE_CONST information.
20803 (add_call_read_ops): Remove use of cache.
20804 Add use of static not_read information.
20806 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
20808 Introduce TLS descriptors for i386 and x86_64.
20809 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
20810 (TARGET_ANY_GNU_TLS): New macro.
20811 (enum tls_dialect): Added TLS_DIALECT_GNU2.
20812 (struct machine_function): Add tls_descriptor_call_expanded_p.
20813 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
20814 (ix86_current_function_calls_tls_descriptor): Likewise.
20815 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
20816 (override_options): Introduce gnu2 tls dialect.
20817 (ix86_frame_pointer_required): Functions containing TLSCALLs are
20819 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
20821 (legitimize_tls_address): Adjust logic for GNU2 TLS.
20822 (ix86_init_machine_status): Initialize new field.
20823 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
20824 (ix86_tls_module_base): New.
20825 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
20826 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
20827 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
20828 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
20829 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
20830 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
20831 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
20832 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
20833 * config/i386/predicates.md (tls_modbase_operand): New.
20834 (tp_or_register_operand): New.
20836 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
20838 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
20839 (look_for_address_of): Ditto.
20840 (ipa_init): Walk the function decls.
20841 (static_execute): Don't set readonly on FUNCTION_DECL's.
20843 2006-01-18 Roger Sayle <roger@eyesopen.com>
20845 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
20846 for shifts where the source and destination registers are different.
20848 2006-01-18 Paul Brook <paul@codesourcery.com>
20850 Merge from csl-arm-branch.
20851 2005-03-14 Julian Brown <julian@codesourcery.com>
20852 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
20853 (aeabi_llsl): Likewise.
20854 (ashrdi3): Likewise.
20855 (aeabi_lasr): Likewise.
20856 (lshrdi3): Likewise.
20857 (aeabi_llsr): Likewise.
20858 2005-03-10 Julian Brown <julian@codesourcery.com>
20859 * config.gcc: Disable shared libgcc for SymbianOS.
20860 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
20862 2006-01-18 DJ Delorie <dj@redhat.com>
20864 * c-pragma.c (handle_pragma_diagnostic): New.
20865 (init_pragma): Register it.
20866 * doc/extend.texi: Document it.
20868 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
20869 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
20870 (diagnostic_context): Add classify_diagnostic[].
20871 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
20872 as errors if they're overridden to DK_WARNING.
20873 (diagnostic_initialize): Initialize classify_diagnostic[].
20874 (diagnostic_set_kind_override): New.
20875 (diagnostic_report_diagnostic): Check for kind changes.
20876 * opts.c (common_handle_option): Take lang_mask. Update callers.
20877 Handle OPT_Werror_.
20878 * common.opt (Werror=): New.
20879 * doc/invoke.texi: Document -Werror=*
20881 2006-01-18 Jeff Law <law@redhat.com>
20883 * tree-vrp.c (test_for_singularity): Correct test for new
20884 min limit. Use operand_equal_p rather than pointer equality
20885 for testing if new min/max values are equal.
20887 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
20888 using range information until after propagation and folding.
20890 2006-01-18 Richard Henderson <rth@redhat.com>
20891 Aldy Hernandez <aldyh@redhat.com>
20892 Jakub Jelinek <jakub@redhat.com>
20893 Diego Novillo <dnovillo@redhat.com>
20895 * omp-low.c: New file.
20896 * c-omp.c: New file.
20898 2006-01-18 Richard Henderson <rth@redhat.com>
20899 Jakub Jelinek <jakub@redhat.com>
20900 Diego Novillo <dnovillo@redhat.com>
20902 * doc/invoke.texi: Document -fopenmp.
20903 * tree-dump.h (debug_function): Declare.
20904 * hooks.c (hook_bool_tree_bool_false): New function.
20905 (hook_tree_tree_null): Remove.
20906 (hook_tree_tree_tree_null): New.
20907 * hooks.h: Update to match.
20908 * tree-pretty-print.c (debug_tree_chain): New.
20909 (print_generic_expr): Handle TDF_CHAIN.
20910 (dump_generic_node): Handle BLOCK.
20911 Do not abort with incomplete SWITCH_EXPRs.
20912 Do not dump body of an OpenMP directive if TDF_SLIM is given.
20913 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
20914 print space after directive name.
20915 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
20916 Handle OMP_MASTER and OMP_ORDERED.
20917 Handle printing of OMP_BODY just in one place, goto
20918 dump_omp_body in the rest of OMP_* nodes that have
20920 Don't handle clause nodes here. Update omp statements to
20921 use dump_omp_clauses.
20922 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
20923 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
20924 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
20925 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
20926 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
20927 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
20928 Adjust output for GOMP_PARALLEL.
20929 (dump_omp_clauses): New.
20930 (print_declaration): Dump DECL_VALUE_EXPR.
20931 (op_symbol_1): Split out of op_symbol.
20932 (dumping_stmts): Remove. Update all users.
20933 * cgraph.c (cgraph_analyze_queue): New.
20934 (cgraph_add_new_function): New.
20935 * cgraph.h (cgraph_analyze_queue): Declare.
20936 (cgraph_add_new_function): Declare.
20937 (cgraph_lower_function): Remove.
20938 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
20939 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
20940 and TYPE_P nodes in its default clause.
20941 (empty_body_p): New.
20942 (tree_range_check_failed): New.
20943 (build5_stat): New.
20944 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
20945 OMP_CLAUSE_REDUCTION_MERGE,
20946 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
20947 OMP_CLAUSE_PRIVATE_DEBUG,
20948 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
20949 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
20950 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
20951 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
20952 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
20953 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
20954 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
20955 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
20956 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
20957 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
20958 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
20959 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
20960 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
20961 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
20962 (TREE_RANGE_CHECK): New.
20963 (empty_body_p): Declare.
20964 (enum omp_clause_default_kind): New.
20965 (build_string_literal): Declare.
20966 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
20967 (build5_stat, build5): Declare.
20968 * tree-pass.h (TDF_CHAIN): Define.
20969 * tree-pass.h (PROP_gimple_lomp): Define.
20970 (pass_lower_omp): Declare.
20971 * diagnostic.h (debug_tree_chain): Declare.
20972 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
20974 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
20975 * builtins.c (build_string_literal): Make extern.
20976 * gcc.c (include_spec_function): New.
20977 (static_spec_functions): Add it.
20978 (main): Move load of libgomp.spec ...
20979 (LINK_COMMAND_SPEC): ... here.
20980 (link_gomp_spec): New.
20981 (static_specs): Include it.
20982 (LINK_COMMAND_SPEC): Add link_gomp.
20983 (GOMP_SELF_SPECS): New.
20984 (driver_self_specs): Include it.
20985 (switch_matches): Don't mark inline.
20986 (main): Load libgomp.spec.
20987 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
20988 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
20989 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
20990 * tree-gimple.h (enum omp_parallel): Declare.
20991 (determine_parallel_type): Declare.
20992 (omp_firstprivatize_variable): Declare.
20993 (omp_reduction_init): Declare.
20994 (diagnose_omp_structured_block_errors): Declare.
20995 (struct walk_stmt_info): Add want_return_expr.
20996 (struct walk_stmt_info): Add want_bind_expr, want_locations.
20997 (find_omp_clause): Declare.
20998 (insert_field_into_struct): Declare.
20999 (struct walk_stmt_info): Move from tree-nested.c
21000 (walk_stmts): Declare.
21001 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21003 * cgraphunit.c (cgraph_lower_function): Make static.
21004 (cgraph_finalize_pending_functions): New.
21005 (cgraph_finalize_function): Call it.
21006 (cgraph_finalize_compilation_unit): Likewise.
21007 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21008 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21009 (BT_FN_UINT_UINT): New.
21010 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21011 DEF_FUNCTION_TYPE_VAR_4): Document.
21012 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21013 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21014 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21015 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21016 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21017 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21018 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21019 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21020 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21021 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21022 into separate files.
21023 (DEF_GOMP_BUILTIN): New.
21024 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21025 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21026 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21027 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21028 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21029 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21030 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21031 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21032 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21033 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21034 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21035 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21036 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21037 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21038 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21039 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21040 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21041 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21042 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21043 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21044 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21045 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21046 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21047 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21048 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21049 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21050 * sync-builtins.def: New file, moved from builtins.def.
21051 * omp-builtins.def: New file, moved from builtins.def.
21052 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21053 * gimple-low.c (lower_function_body): Clear data.
21054 (lower_stmt): Do not handle COMPOUND_EXPR.
21055 Remove call to print_node_brief.
21056 * c-tree.h (c_finish_omp_clauses): New prototype.
21057 (C_DECL_THREADPRIVATE_P): Define.
21058 (lookup_name_no_remap, c_omp_remap_private): Remove
21059 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21060 (check_for_loop_decls): Update decl.
21061 (lookup_name_no_remap, c_omp_remap_private): Declare.
21062 (build_indirect_ref, build_modify_expr, pushdecl,
21063 pushdecl_top_level): Move to c-common.h.
21064 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21065 before the switch, but just in the 2 places that need it.
21066 * c-decl.c (diagnose_mismatched_decls): Do not check for
21067 mismatched thread-local attributes when OLDDECL is marked
21068 threadprivate and NEWDECL has no thread-local attributes.
21069 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21070 (c_gimple_diagnostics_recursively): Rename from
21071 c_warn_unused_result_recursively. Invoke
21072 diagnose_omp_structured_block_errors.
21073 (check_for_loop_decls): Return a singular decl found.
21074 * langhooks.c (lhd_omp_predetermined_sharing): Return
21075 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21076 (lhd_omp_firstprivatize_type_sizes): New.
21077 (lhd_omp_assignment): New.
21078 (lhd_omp_predetermined_sharing): New.
21079 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21080 (struct lang_hooks_for_types): Add
21081 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21082 omp_predetermined_sharing, omp_disregard_value_expr,
21083 omp_private_debug_clause, omp_clause_default_ctor,
21084 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21085 (c_finish_omp_clauses): New.
21086 (c_finish_bc_stmt): Diagnose break within omp for.
21087 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21088 (build_unary_op): Return error_mark after reporting
21090 (build_modify_expr): Likewise.
21091 * gimplify.c: Include optabs.h and pointer-set.h.
21092 (enum gimplify_omp_var_data): Declare.
21093 (struct gimplify_omp_ctx): Declare.
21094 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21096 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21097 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21098 (splay_tree_compare_decl_uid): New.
21099 (new_omp_context): New.
21100 (delete_omp_context): New.
21101 (gimple_add_tmp_var): Call omp_add_variable.
21102 (gimplify_bind_expr): Likewise.
21103 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21104 true, disregard DECL_VALUE_EXPR on the decl if any.
21105 (gimplify_expr_in_ctx): New.
21106 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21107 omp_add_variable, omp_notice_variable, omp_is_private
21108 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21109 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21110 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21111 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21112 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21113 gimplify_omp_atomic): New.
21114 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21115 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21116 OMP_CRITICAL and OMP_ATOMIC.
21117 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21118 * c-pragma.h (enum pragma_kind): Add
21119 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21120 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21121 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21122 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21123 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21124 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21125 PRAGMA_OMP_THREADPRIVATE.
21126 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21127 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21128 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21129 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21130 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21131 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21132 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21133 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21134 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21135 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21136 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21137 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21138 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21140 (struct nesting_info): Add field_map,
21141 suppress_expansion, debug_var_chain.
21142 (create_nesting_tree): Initialize them.
21143 (lookup_field_for_decl): Use field_map.
21144 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21145 (convert_local_omp_clauses): New.
21146 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21147 (walk_body): Split out of walk_function.
21148 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21149 (convert_nonlocal_reference): Handle omp statements.
21150 (convert_local_reference): Likewise.
21151 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21152 (unnest_nesting_tree): New.
21153 (lower_nested_functions): Call it.
21154 (insert_field_into_struct): Make extern.
21155 (struct walk_stmt_info): Move to tree-gimple.h.
21156 (walk_stmts): Make extern.
21157 * omp-builtins.def: New file.
21158 * tree-iterator.c (expr_only): Clarify comment.
21159 * c-common.h (pushdecl_top_level, pushdecl,
21160 build_modify_expr, build_indirect_ref,
21161 c_finish_omp_master, c_finish_omp_critical,
21162 c_finish_omp_ordered, c_finish_omp_barrier,
21163 c_finish_omp_atomic, c_finish_omp_flush,
21164 c_finish_omp_for, c_split_parallel_clauses,
21165 omp_clause_default_kind, c_omp_sharing_predetermined,
21166 c_omp_remap_decl): Declare.
21167 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21168 (OBJS-common): Add omp-low.o.
21169 (c-omp.o, omp-low.o): Add.
21170 (gimplify.o): Add dependency on $(OPTABS_H).
21171 (GTFILES): Add omp-low.c.
21172 (gt-stringpool.h): Add.
21173 * tree-cfg.c (set_bb_for_stmt): Do not update the
21174 block-to-labels map if we are currently expanding to RTL.
21175 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21177 Handle IDENTIFIER_NODE.
21178 (tree_verify_flow_info): Do not ICE when emitting error
21179 messages about invalid labels.
21180 (dump_function_to_file): Reset CFUN before emitting the body
21182 (debug_function): New.
21183 * passes.c (init_optimization_passes): Schedule
21185 * langhooks-def.h (lhd_omp_predetermined_sharing,
21186 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21188 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21189 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21190 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21191 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21192 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21193 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21194 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21195 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21196 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21197 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21198 (LANG_HOOK_DECLS): Use them.
21200 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21201 Richard Henderson <rth@redhat.com>
21202 Jakub Jelinek <jakub@redhat.com>
21203 Diego Novillo <dnovillo@redhat.com>
21205 * c-parser.c (pragma_omp_clause): Define.
21206 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21207 (c_parser_compound_statement): Likewise.
21208 (c_parser_statement): Likewise.
21209 (c_parser_pragma): Handle omp pragmas.
21210 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21211 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21212 (c_parser_omp_clause_name, check_no_duplicate_clause,
21213 c_parser_omp_variable_list,
21214 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21215 c_parser_omp_clause_copyprivate,
21216 c_parser_omp_clause_default,
21217 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21218 c_parser_omp_clause_lastprivate,
21219 c_parser_omp_clause_nowait,
21220 c_parser_omp_clause_num_threads,
21221 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21222 c_parser_omp_clause_reduction,
21223 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21224 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21225 c_parser_omp_atomic, c_parser_omp_barrier,
21226 c_parser_omp_critical, c_parser_omp_flush,
21227 c_parser_omp_for_loop, c_parser_omp_for,
21228 c_parser_omp_master, c_parser_omp_ordered,
21229 c_parser_omp_sections_scope, c_parser_omp_sections,
21230 c_parser_omp_parallel, c_parser_omp_single,
21231 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21232 * c-pragma.c (init_pragma): Do omp pragma registration here.
21233 * c.opt (fopenmp): New flag.
21235 2006-01-18 Eric Christopher <echristo@apple.com>
21237 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21238 * config/darwin.h (GOMP_SELF_SPECS): Define.
21240 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21242 * rtl.h: Remove the prototype for reg_alloc.
21244 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21247 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21248 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21249 sjlj and dwarf2 exception handling.
21250 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21251 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21252 * pa/pa.c (function_value): Treat complex and vector types as
21254 (function_arg): Likewise. Only pass scalar floats in the floating
21255 point argument registers.
21256 * pa/t-slibgcc-dwarf-ver: New file.
21257 * pa/t-slibgcc-sjlj-ver: New file.
21258 * pa/t-slibgcc-elf-ver: Delete file.
21260 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21262 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21263 unlikely_test_section_p test.
21265 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21267 * mode-switching.c (optimize_mode_switching): Make it static.
21268 * basic-block.h: Remove the prototype for
21269 optimize_mode_switching.
21271 * modulo-sched.c (sms_schedule): Make it static.
21272 * rtl.h: Remove the prototype for sms_schedule.
21274 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21275 * rtl.h: Remove the prototype for gcse_after_reload_main.
21277 * reg-stack.c (reg_to_stack): Make it static.
21278 * rtl.h: Remove the prototype for reg_to_stack.
21280 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21282 * rtl.h: Remove the prototypes for regrename_optimize and
21283 copyprop_hardreg_forward.
21285 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21287 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21288 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21289 Test against the appropriate null constant for the mode.
21290 If 'fixup_overlap' is true, swap the operands if they overlap.
21291 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21292 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21293 alpha_split_tmode_pair and adjust for above change.
21294 * config/alpha/alpha.md (movtf_internal): Adjust call to
21295 alpha_split_tfmode_pair and rely on it to swap the operands.
21296 (movti_internal): New insn and post-reload splitter.
21297 (movti): New expander.
21299 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21301 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21304 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21306 * rtlanal.c (global_reg_mentioned_p_1,
21307 global_reg_mentioned_p): Remove.
21308 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21310 * flow.c (initialize_uninitialized_subregs): Make it static.
21311 * rtl.h: Remove the prototype for
21312 initialize_uninitialized_subregs.
21314 * function.c (instantiate_virtual_regs): Make it static.
21315 * function.h: Remove the prototype for
21316 instantiate_virtual_regs.
21318 * regmove.c (regmove_optimize, combine_stack_adjustments):
21320 * rtl.h: Remove the prototypes for regmove_optimize and
21321 combine_stack_adjustments.
21323 2006-01-17 Roger Sayle <roger@eyesopen.com>
21325 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21326 (size_cost): Encode costs in bytes so that a reg-reg addition is
21327 equivalent to COSTS_N_INSNS(1).
21328 (override_options): Use the size_cost.branch_cost as the default
21329 ix86_branch_cost when optimizing for size.
21331 2006-01-18 Ben Elliston <bje@au.ibm.com>
21333 * Makefile.in (D32PBIT_FUNCS): New.
21334 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21335 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21336 D64PBIT_FUNCS and D128PBIT_FUNCS.
21337 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21338 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21340 (decnumber_dep): Define.
21341 * doc/libgcc.texi (Decimal float library routines): New node.
21342 * config/dfp-bit.h, config/dfp-bit.c: New files.
21344 2006-01-18 Ben Elliston <bje@au.ibm.com>
21346 * expr.c (emit_move_change_mode): Always adjust addresses, not
21347 just during reload. Copy replacements only during reload.
21348 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21349 emit_move_via_integer.
21351 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21353 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21354 instead of $(srcdir) and ${srcdir}.
21356 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21359 PR middle-end/11135
21360 * arm.h (struct machine_function): Add pic_reg.
21361 * arm.c (arm_pic_register): Make unsigned.
21362 (arm_override_options): Only set arm_pic_register if
21363 TARGET_SINGLE_PIC_BASE.
21364 (use_return_insn): Only test for a pic register if it is fixed.
21365 (arm_compute_save_reg0_reg12_mask): Likewise.
21366 (thumb_compute_save_reg_mask): Likewise.
21367 (legitimate_pic_operand): Factor out some known invariants.
21368 (legitimize_pic_address): If we don't have a fixed pic register,
21369 then set up a pseudo in the function entry sequence. Handle the
21370 pic base being in a pseudo.
21371 (arm_load_pic_register): Handle the pic register being in a pseudo.
21372 (arm_expand_prologue): Only set up the pic register if it is fixed.
21373 (thumb_expand_prologue): Likewise.
21374 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21375 (pic_load_addr_based_insn): Likewise.
21376 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21379 2006-01-18 Ben Elliston <bje@au.ibm.com>
21381 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21382 decimal float modes for all floating point registers.
21384 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21385 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21387 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21390 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21391 even when the pointer is not NULL.
21393 2006-01-16 Ian Lance Taylor <ian@airs.com>
21395 * common.opt (ftoplevel-reorder): New option.
21396 * cgraph.c (cgraph_asm_nodes): New global variable.
21397 (cgraph_asm_last_node): New static variable.
21398 (cgraph_order): New global variable.
21399 (cgraph_create_node): Set new order field.
21400 (cgraph_varpool_node): Likewise.
21401 (decide_is_variable_needed): Return true if not
21402 flag_toplevel_reorder.
21403 (cgraph_add_asm_node): New function.
21404 * cgraph.h (struct cgraph_node): Add order field.
21405 (struct cgraph_varpool_node): Add order field.
21406 (struct cgraph_asm_node): Define.
21407 (cgraph_asm_nodes, cgraph_order): Declare.
21408 (cgraph_add_asm_node): Declare.
21409 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21411 (cgraph_varpool_assemble_pending_decls): Call it.
21412 (cgraph_output_pending_asms): New static function.
21413 (cgraph_finalize_compilation_unit): Call it.
21414 (struct cgraph_order_sort): Define.
21415 (cgraph_output_in_order): New static function.
21416 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21417 !flag_toplevel_reorder case.
21418 * c-parser.c: Include "cgraph.h".
21419 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21421 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21422 than -fno-unit-at-a-time.
21423 * doc/invoke.texi (Option Summary): Mention
21424 -fno-toplevel-reorder.
21425 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21426 -funit-at-a-time documentation.
21428 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21429 Kazu Hirata <kazu@codesourcery.com>
21431 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
21433 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
21435 * Makefile.in (FUNCTION_H): New. Use it instead of
21436 function.h throughout the file.
21437 * function.h: Include tree.h.
21439 2006-01-17 Ben Elliston <bje@au.ibm.com>
21441 * recog.c: Separate some functions with whitespace.
21443 2006-01-16 Richard Henderson <rth@redhat.com>
21445 Merge from gomp branch:
21446 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
21447 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
21448 and rename from struct inline_data. Rename callee* to dst*;
21449 caller* to src*; add copy_decl hook, transform_call_graph_edges,
21450 transform_new_cfg, transform_return_to_modify, and
21451 transform_lang_insert_block flags; remove cloning_p, versioning_p,
21453 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
21454 (copy_decl_for_dup): Remove.
21455 * tree-inline.c (struct inline_data): Move to header.
21456 (insert_decl_map): Export.
21457 (remap_decl): Update for member name changes. Use copy_decl hook.
21458 Allow for replacement to be a non-decl. Remove dead code.
21459 (remap_type_1): Check for existing mapping.
21460 (remap_type): Export.
21461 (remap_decls): Update for member name changes.
21462 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
21463 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
21464 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
21465 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
21466 (tree_function_versioning, build_duplicate_type): Likewise.
21467 (copy_body_r): Likewise. Export.
21468 (copy_decl_for_dup): Split into ...
21469 (copy_decl_for_dup_finish, copy_decl_to_var,
21470 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
21471 (replace_ref_tree, inlining_p): Remove.
21473 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21475 * ifcvt.c (if_convert): Make it static.
21476 * rtl.h: Remove the prototype for if_convert.
21478 * local-alloc.c (local_alloc): Make it static.
21479 * rtl.h: Remove the prototype for local_alloc.
21481 * loop.c (loop_optimize): Make it static.
21482 * cfgloop.h: Remove the prototype for loop_optimize.
21485 2006-01-16 DJ Delorie <dj@redhat.com>
21487 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
21490 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21492 * pa.md: Disparage copies between general and floating-point registers
21493 in 32-bit move patterns.
21495 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
21498 * Makefile.in (check-%): Depend on site.exp instead of
21499 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
21502 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21504 * global.c (global_alloc): Make it static.
21505 * rtl.h: Remove the prototype for global_alloc.
21507 2006-01-16 Richard Guenther <rguenther@suse.de>
21509 * tree-ssa-alias.c (struct used_part): Add write_only field.
21510 (get_or_create_used_part_for): Initialize it to true.
21511 (create_overlap_variables_for): Don't create structure variables
21512 for structures that only are written to.
21513 (find_used_portions): Handle MODIFY_EXPR to track whether a
21514 structure is only written to.
21516 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21518 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
21520 * basic-block.h: Remove the prototype for
21521 partition_hot_cold_basic_blocks.
21523 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
21525 * cppspec.c (lang_specific_spec_functions): Remove.
21526 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
21527 * gcc.h (lang_specific_spec_functions): Remove.
21528 * gccspec.c (lang_specific_spec_functions): Remove.
21530 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
21532 * combine.c (record_value_for_reg): Invalidate registers
21534 (record_dead_and_set_regs_1): Likewise, by passing them to
21535 record_value_for_reg.
21536 (record_dead_and_set_regs): Invalidate stores made by a
21537 call. We do not combine across a call, but we still
21538 relied on equivalences.
21540 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21542 * tree-vrp.c (extract_range_from_binary_expr): Cope with
21543 vrp_int_const_binop returning non-constant nodes.
21545 2006-01-16 Paul Brook <paul@codesourcery.com>
21547 * config/m68k/m68k.c (output_move_const_into_data_reg):
21548 Output correct mnemonic for mvz and mvs.
21550 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
21552 * rtl-factoring.c: Add sequence abstraction algorithm.
21553 * cfgcleanup.c (outgoing_edges_match): Extra checks.
21554 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
21556 (block_has_preserve_label): New function.
21557 * common.opt: Register new pass.
21558 * Makefile.in: Ditto.
21560 * timevar.def: Ditto.
21561 * tree-pass.h: Ditto.
21562 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
21563 * rtl.h (make_jump_insn_raw): Add forward decl.
21564 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21566 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21567 Roger Sayle <roger@eyesopen.com>
21569 * fold-const.c (fold_minmax): New static function.
21570 (fold_binary) <MIN_EXPR>: Call it.
21571 <MAX_EXPR>: Likewise.
21572 * stor-layout.c (place_field): Use DECL_SIZE consistently
21573 in the computation of the new record size.
21575 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21577 * cse.c (cse_condition_code_reg): Make it static.
21578 * rtl.h: Remove the prototype for cse_condition_code_reg.
21580 * combine.c (combine_instructions): Make it static.
21581 * rtl.h: Remove the prototype for combine_instructions.
21583 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21586 * tree.c (get_file_function_name_long): Concatenate the first global
21587 object name with a string derived from the input filename of the object
21590 2006-01-16 Ben Elliston <bje@au.ibm.com>
21592 * config/i386/winnt-stubs.c: Update FSF address.
21593 * config/xtensa/ieee754-df.S: Ditto.
21594 * config/xtensa/ieee754-sf.S: Ditto.
21596 2006-01-14 Ian Lance Taylor <ian@airs.com>
21598 * ifcvt.c (noce_init_if_info): New static function, broken out of
21599 noce_process_if_block.
21600 (noce_process_if_block): Call noce_init_if_info.
21601 (check_cond_move_block): New static function.
21602 (cond_move_process_if_block): New static function.
21603 (process_if_block): Call cond_move_process_if_block.
21605 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
21607 * cselib.c (hash_table): Rename to cselib_hash_table.
21608 (cselib_clear_table, discard_useless_values,
21609 remove_useless_values, cselib_lookup_mem, cselib_lookup,
21610 cselib_init, cselib_finish): Adjust uses of hash_table.
21612 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
21614 PR tree-optimization/25485
21615 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
21616 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
21617 is known to be false and true, respectively.
21619 2006-01-14 Richard Guenther <rguenther@suse.de>
21621 PR tree-optimization/22548
21622 PR tree-optimization/22555
21623 PR tree-optimization/22501
21624 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
21625 * params.def (salias-max-array-elements): New parameter.
21626 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
21627 * doc/invoke.texi (salias-max-array-elements): Document.
21628 * tree-flow-inline.h (var_can_have_subvars): We also handle
21630 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
21632 * tree-ssa-structalias.c (params.h): Include.
21633 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
21634 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
21635 (get_constraint_for): For ADDR_EXPR operating on something
21636 containing an ARRAY_REF, add all subvars to the solution.
21637 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
21638 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
21639 for creating MUST_DEFs.
21640 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
21642 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
21644 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
21646 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
21647 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
21648 number_of_iterations_le): New functions.
21649 (number_of_iterations_special): Removed.
21650 (number_of_iterations_exit): Do not use number_of_iterations_special.
21651 * tree.c (unsigned_type_for): Always return integer type.
21653 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
21654 Richard Guenther <rguenther@suse.de>
21656 PR rtl-optimization/24257
21657 * gcse.c (find_moveable_store): Only consider a store movable
21658 when the SET_SRC of the insn can be assigned to a register.
21660 2006-01-14 Ian Lance Taylor <ian@airs.com>
21662 * tree.c (tree_not_class_check_failed): New function.
21663 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
21664 (tree_not_class_check_failed): Declare.
21666 2006-01-13 Ian Lance Taylor <ian@airs.com>
21668 * reload1.c (do_output_reload): Add assertion rejecting a
21671 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
21673 * combine.c (struct reg_stat): Add new fields truncation_label and
21675 (record_value_for_reg): Reset truncated_to_mode.
21676 (record_truncated_value): New function.
21677 (check_promoted_subreg): Call it. Rename to check_conversions.
21678 (combine_instructions): Rename check_promoted_subreg to
21680 (reg_truncated_to_mode): New function.
21681 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
21682 (gen_lowpart_or_truncate): New function.
21683 (force_to_mode): Use it instead of gen_lowpart.
21685 2006-01-13 Diego Novillo <dnovillo@redhat.com>
21687 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
21688 VAR is a tag, not its type tag.
21690 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
21692 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
21693 alternatives to match style of other entries.
21694 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
21696 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
21698 PR tree-optimization/25771
21699 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
21702 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
21705 * tree-inline.c (declare_return_variable): If the return variable
21706 was marked as a non gimple complex, set the return slot variable
21707 to be a non gimple comple variable.
21709 2006-01-13 Richard Guenther <rguenther@suse.de>
21711 * builtins.c (expand_builtin_sincos): New function.
21712 (expand_builtin_mathfn_3): Remove dead code, sin and cos
21714 (expand_builtin): Expand sincos using expand_builtin_sincos.
21716 2006-01-12 DJ Delorie <dj@redhat.com>
21718 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
21719 shift counts, separate SI shifts for m32c vs m16c, pass shift type
21720 so that constant shifts can be split.
21721 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
21722 (m32c_valid_pointer_mode): Make static.
21723 (shift_gen_func_for): New.
21724 (m32c_prepare_shift): Use it. Split large const shifts into
21726 * config/m32c/predicates.md (shiftcount_operand): Allow more
21728 (longshiftcount_operand): New.
21729 * doc/md.texi (Machine Constraints): Document In6.
21731 2006-01-13 Ben Elliston <bje@au.ibm.com>
21733 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
21734 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
21737 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
21739 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
21740 to try to avoid clobbering pieces of structures when we know
21741 something about the whole structure.
21742 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
21744 2006-01-13 Ben Elliston <bje@au.ibm.com>
21746 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
21747 return in memory, as this is no limitation is no longer present.
21749 2006-01-12 DJ Delorie <dj@redhat.com>
21751 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
21752 mova with fb, and for fb+0 -> An.
21754 * config/m32c/mov.md (peephole2): Fix enabling logic.
21756 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
21757 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
21758 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
21759 FINI_ARRAY_SECTION_ASM_OP): Define.
21761 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
21763 (m32c_legitimize_reload_address): New logic to reload FB to An.
21764 (m32c_output_reg_push): Add newline.
21765 (m32c_output_reg_pop): Likewise.
21767 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
21769 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
21771 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
21773 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
21775 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21777 * config/sh/predicates.md (sh_rep_vec): Add parallel to
21780 2006-01-11 Ben Elliston <bje@au.ibm.com>
21782 * rtlanal.c (find_reg_note): Assert insn is not null.
21784 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21786 * df-scan.c (df_hard_reg_init): Move declaration of i outside
21789 2006-01-11 Jeff Law <law@redhat.com>
21791 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
21793 (mark_threaded_blocks, register_jump_thread): New functions.
21794 (thread_through_all_blocks): Remove unwanted argument. No
21795 longer rely on e->aux to communicate thread target info.
21796 Call mark_threaded_blocks. Release the threaded_blocks
21797 bitmap and threaded_edges vector when complete.
21798 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
21799 (threaded_blocks): Remove.
21800 (tree_ssa_dominator_optimize): Remove initialization and
21801 finalization of threaded_blocks. Simplify call to
21802 thread_through_all_blocks.
21803 (thread_across_edge): Call register_jump_thread rather than
21804 storing thread information into e->aux.
21805 (free_all_edge_infos): Simplify now that e->aux is no longer
21806 used to communicate with thread_through_all_blocks.
21807 * tree-flow.h (thread_through_all_blocks): Update prototype.
21808 (register_jump_thread): Prototype.
21810 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21812 * df-core.c (df_compact_blocks, df_bb_replace): Use
21813 SET_BASIC_BLOCK instead of BASIC_BLOCK.
21815 2006-01-11 Richard Guenther <rguenther@suse.de>
21817 PR tree-optimization/25734
21818 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
21819 stop propagation after successful propagation to the LHS.
21821 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21823 * basic-block.h (control_flow_graph): Change the type of
21824 x_basic_block_info to VEC(basic_block,gc) *.
21825 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
21827 (SET_BASIC_BLOCK): New.
21828 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
21829 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
21830 * cfgbuild.c (find_basic_blocks): Likewise.
21831 * cfglayout.c (fixup_reorder_chain): Likewise.
21832 * cfgrtl.c (create_basic_block_structure,
21833 rtl_create_basic_block): Likewise.
21834 * ifcvt.c (find_if_case_1): Likewise.
21835 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
21838 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21840 * Makefile.in: Removed rotted odf.c entry.
21842 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
21845 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
21846 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
21847 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
21848 output pattern modifier, not %e.
21849 * config/cris/cris.c (cris_op_str): Update comment about pattern
21851 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
21852 before falling through into...
21853 <case 'E'>: Redefined from old 'e' case.
21855 2006-01-11 Jan Hubicka <jh@suse.cz>
21858 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
21860 2006-01-11 Jan Hubicka <jh@suse.cz>
21862 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
21863 * i386.c (x86_decompose_lea): Kill.
21864 (ix86_rtx_costs): Kill.
21866 2006-01-11 Jan Hubicka <jh@suse.cz>
21868 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
21869 * cgraph.h (cgraph_node): Add inline_decl.
21870 (cgraph_insert_node_to_hashtable): Declare.
21871 (save_inline_function_body): Declare.
21872 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
21874 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
21875 (cgraph_function_versioning): Update call of tree_function_versioning.
21876 (save_inline_function_body): New function.
21877 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
21878 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
21879 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
21880 (cgraph_default_inline_p): Likewise.
21881 (cgraph_decide_inlining_incrementally): Likewise.
21882 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
21883 (copy_bb): Kill saving; do updating of clones.
21884 (copy_cfg_body): Kill saving.
21885 (initialize_inlined-parameters): Likewise.
21886 (expand_call_inline): Likewise.
21888 (tree_function_versioning): New parameter "update_clones".
21889 (inlining_p): Kill saving.
21890 * tree-inline.h (tree_function_versioning): Update prototype.
21891 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
21894 2006-01-11 Ian Lance Taylor <ian@airs.com>
21896 * combine.c (struct undo): Remove is_int. Enumify types of undos.
21897 Allow undoing set of machine mode.
21898 (do_SUBST): Use enums instead of is_int.
21899 (do_SUBST_MODE): New function.
21900 (SUBST_MODE): New macro.
21901 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
21902 reg and trying to replace reg_regno_rtx with a new register.
21903 (undo_all): Use new enums, handle undoing a PUT_MODE change.
21904 (simplify_set): Use SUBST_MODE.
21905 (distribute_notes): Remove code that tried to update reg notes
21906 for regno_reg_rtx changes.
21908 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
21910 PR tree-optimization/23109
21911 PR tree-optimization/23948
21912 PR tree-optimization/24123
21914 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
21915 * tree-cfg.c (single_noncomplex_succ): New.
21916 * tree-flow.h (single_noncomplex_succ): Declare it.
21917 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21918 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21919 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
21920 insert_bb, register_division_in, insert_reciprocals,
21921 replace_reciprocal, free_bb): New.
21922 (execute_cse_reciprocals_1): Rewritten.
21923 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
21924 Do not commit any edge insertion. Always compute dominators and
21925 create the allocation pool.
21926 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
21927 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
21928 * targhooks.c (default_min_divistions_for_recip_mul): New.
21929 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
21930 * passes.c (init_optimization_passes): Run recip after tree loop
21932 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
21934 2006-01-11 Danny Berlin <dberlin@dberlin.org>
21935 Kenneth Zadeck <zadeck@naturalbridge.com>
21937 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
21938 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
21939 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
21940 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
21941 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
21942 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
21943 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
21944 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
21945 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
21946 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
21947 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
21948 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
21949 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
21950 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
21951 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
21952 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
21953 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
21954 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
21955 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
21956 DF_SCAN_POST_ALLOC): New macros.
21957 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
21958 df_free_bb_function, df_local_compute_function, df_init_function,
21959 df_dataflow_function, df_confluence_function_0,
21960 df_confluence_function_n, df_transfer_function,
21961 df_finalizer_function, df_free_function, df_dump_problem_function,
21962 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
21963 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
21964 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
21965 df_urec_bb_info, ) New types.
21966 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
21968 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
21969 df_analyze_simple_change_some_blocks,
21970 df_analyze_simple_change_one_block, df_compact_blocks,
21971 df_bb_replace, df_bb_regno_last_use_find,
21972 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
21973 df_insn_regno_def_p, df_find_def, df_find_use,
21974 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
21975 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
21976 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
21977 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
21978 debug_df_chain, df_get_dependent_problem, df_chain_create,
21979 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
21980 df_grow_bb_info, df_chain_dump, df_print_bb_index,
21981 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
21982 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
21983 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
21984 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
21985 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
21986 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
21987 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
21988 df_ref_remove, df_insn_refs_delete, df_refs_delete,
21989 df_reorganize_refs, df_set_state, df_hard_reg_init,
21990 df_read_modify_subreg_p) New public functions.
21991 * df-core.c: The core dataflow solver and glue routines for rtl
21993 (df_init, df_add_problem, df_set_blocks, df_finish,
21994 df_hybrid_search_forward, df_hybrid_search_backward,
21995 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
21996 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
21997 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
21998 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
21999 df_reg_defined, df_find_use, df_reg_used, df_dump,
22000 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22001 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22002 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22003 debug_df_useno, reset_df_after_reload): New functions.
22004 * df-scan.c: The scanning fuctions, once in df.c, completely
22005 rewritten so that they now fully model the functionality of
22006 register usage at the backend.
22007 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22008 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22009 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22010 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22011 df_get_artificial_defs, df_get_artificial_uses,
22012 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22013 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22014 df_refs_delete, df_reorganize_refs, df_set_state,
22015 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22016 df_def_record_1, df_defs_record, df_uses_record,
22017 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22018 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22019 df_record_exit_block_uses, df_hard_reg_init): New functions.
22021 * df-problems.c: Seven concrete dataflow problems that use the
22022 scanning in df-scan.c and are solved by the engine in df-core.c.
22023 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22024 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22025 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22026 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22027 df_ru_free_bb_info, df_ru_alloc,
22028 df_ru_bb_local_compute_process_def,
22029 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22030 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22031 df_ru_transfer_function, df_ru_free, df_ru_dump,
22032 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22033 df_rd_free_bb_info, df_rd_alloc,
22034 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22035 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22036 df_rd_transfer_function, df_rd_free, df_rd_dump,
22037 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22038 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22039 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22040 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22041 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22042 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22043 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22044 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22045 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22046 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22047 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22048 df_urec_mark_reg_use_for_earlyclobber,
22049 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22050 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22051 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22052 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22053 df_chain_create_bb_process_use, df_chain_create_bb,
22054 df_chain_finalize, df_chain_free, df_chains_dump,
22055 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22056 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22057 df_reg_lifetime): New functions.
22058 * df.c: Deleted file.
22059 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22060 consistent with new df api.
22061 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22062 rest_of_handle_sms): Ditto.
22063 * web.c (unionfind_union, union_defs, entry_register, web_main):
22065 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22066 invariant_expr_equal_p, find_defs, check_dependencies,
22067 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22068 free_inv_motion_data, move_loop_invariants): Ditto.
22069 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22070 Update dependencies.
22071 (odf.c): Added defective entry that was deleted later in day.
22072 * sched-deps.c (sched_analyze_1): Ditto.
22074 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22076 * tree-ssa-operands.c (get_expr_operands): Record addressable
22077 variables directly. Do not call add_stmt_operands for CONST_DECLs
22079 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22080 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22082 2006-01-11 Ben Elliston <bje@au.ibm.com>
22084 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22085 function returns true in the positive case.
22087 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22090 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22091 for SI, DI, SF and DF modes. Add alternatives to copy between
22092 general and floating point registers to the 32-bit patterns.
22093 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22094 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22095 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22096 generating 64-bit code.
22097 * config/pa/pa.c (output_move_double): Handle copies between general
22098 and floating registers.
22100 2006-01-10 Stuart Hastings <stuart@apple.com>
22102 * config/i386/i386.md (set_got): Update.
22103 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22104 (builtin_setjmp_receiver): Mach-O support.
22105 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22106 (GOT_SYMBOL_NAME): Define.
22107 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22108 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22109 * config/i386/i386.c (override_options): Revise for Darwin.
22110 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22111 support. (darwin_x86_file_end): New. (output_set_got): Add label
22112 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22113 * config/i386/i386-protos.h (output_set_got): Likewise.
22114 * config/darwin.c (machopic_legitimize_pic_address): Update
22117 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22119 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22120 when MODE isn't BLKmode.
22122 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22124 PR rtl-optimization/25367
22125 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22127 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22130 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22131 for a negative bound.
22133 2006-01-10 Richard Guenther <rguenther@suse.de>
22135 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22136 Never override with anything constraint.
22138 2006-01-10 Jan Beulich <jbeulich@novell.com>
22140 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22141 256 bits when optimize_size.
22143 2006-01-10 Jan Beulich <jbeulich@novell.com>
22145 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22147 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22148 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22151 2006-01-10 Ben Elliston <bje@au.ibm.com>
22153 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22155 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22156 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22157 (USE_FP_FOR_ARG): Reject decimal float modes.
22158 (function_arg_advance): Likewise.
22159 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22160 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22161 point types in AltiVec vectors.
22162 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22163 (rs6000_libcall_value): Likewise.
22165 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22167 * config/xtensa/ieee754-df.S: New file.
22168 * config/xtensa/ieee754-sf.S: New file.
22169 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22170 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22171 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22173 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22175 * config/sh/predicates.md (binary_float_operator,
22176 binary_logical_operator, commutative_float_operator,
22177 equality_comparison_operator, greater_comparison_operator,
22178 less_comparison_operator, logical_operator,
22179 noncommutative_float_operator, shift_operator,
22180 symbol_ref_operand, unary_float_operator): Remove redundant
22183 2006-01-09 Jeff Law <law@redhat.com>
22185 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22186 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22187 now unused arguments. Callers updated.
22188 (eliminate_redundant_computations): Remove now unused arguments,
22190 (local_fold): Remove, no longer used.
22191 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22193 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22194 (simplify_cond): New function.
22195 (forward_propagate_into_cond): Call simplify_cond.
22197 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22199 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22200 (*vec_extractv2di_1_sse): New.
22202 2006-01-09 Ben Elliston <bje@au.ibm.com>
22204 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22206 2006-01-08 Richard Guenther <rguenther@suse.de>
22208 * tree-ssa-structalias.c (get_constraint_for): Remove
22209 anyoffset argument.
22210 (get_constraint_for_component_ref): Likewise.
22211 (do_deref): Likewise.
22212 (get_constraint_for): Likewise.
22213 (do_structure_copy): Likewise.
22214 (handle_ptr_arith): Likewise.
22215 (find_func_aliases): Likewise. Remove unused need_anyoffset
22218 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22219 Kaz Kojima <kkojima@gcc.gnu.org>
22221 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22222 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22223 (EXTRA_CONSTRAINT_C16): Remove.
22224 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22225 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22226 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22227 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22228 constants of SHmedia. Handle nested constant expressions of
22230 (andcosts): Fix the costs for SHmedia constants.
22231 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22232 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22233 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22234 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22235 (movv4hi_i, movv2si_i): Likewise.
22236 (movsi_const): Adjust the second operand of ior so to match with
22237 the Csu constraint.
22238 (movdi_const, movdi_const_32bit): Likewise.
22239 (movdi_const_16bit+1): Don't sign-extend LOW.
22240 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22242 (*double_shori): Fix the split condition. Use GEN_INT instead
22243 of get_int_mode calls. Mask lower 16-bit of the argument of
22245 (sym2GOTPLT): Remove.
22246 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22248 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22249 instead of EXTRA_CONSTRAINT_C16.
22251 2006-01-07 Ian Lance Taylor <ian@airs.com>
22252 David Edelsohn <edelsohn@gnu.org>
22254 PR rtl-optimization/25662
22255 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22256 for constant operands instead of simplify_gen_binary.
22257 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22258 after trying simplify_binary_operation
22260 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22262 * tree.c (iterative_hash_expr): Hash decls based on UID.
22264 2006-01-06 Eric Christopher <echristo@apple.com>
22266 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22267 (TARGET_UNWIND_EMIT): Fix spelling.
22268 * target.h (gcc_target): Add except_table_label.
22269 * except.c (output_function_exception_table): Use.
22270 * varasm.c (default_emit_except_table_label): New.
22271 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22273 (asm_out): Add here.
22274 * output.h (default_emit_except_table_label): Prototype.
22275 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22276 * config/darwin.c (darwin_emit_except_table_label): Define.
22277 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22279 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22281 PR tree-optimization/18527
22282 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22283 number_of_iterations_special, number_of_iterations_exit):
22284 Move base and step of an iv to a single structure. Add
22285 no_overflow flag, and use it in # of iterations analysis.
22286 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22287 folded_casts argument.
22288 (simple_iv): Pass base and step in a structure. Set no_overflow
22290 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22291 Evaluate expensiveness of computing # of iterations instead of
22292 the final expression.
22293 * tree-scalar-evolution.h (affine_iv): New structure.
22294 (simple_iv): Declaration changed.
22295 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22296 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22297 find_givs_in_stmt): Changed due to simple_iv change.
22299 2006-01-06 Jeff Law <law@redhat.com>
22302 * tree-cfg.c (bsi_replace): Rename final argument from
22303 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22304 change (stmt -> orig_stmt).
22305 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22306 (bsi_remove): Add new argument. Remove EH information
22308 (verify_eh_throw_table_statements): New function.
22309 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22311 * tree-optimize.c (execute_free_cfg_annotations): Verify
22312 the EH throw statement table after removing annotations.
22313 * except.h (verify_eh_throw_table_statements): Prototype.
22314 * tree-flow.h (bsi_remove): Update prototype.
22315 * tree-vrp.c (remove_range_assertions): Add new argument to
22317 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22318 * tree-complex.c (expand_complex_div_wide): Likewise.
22319 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22320 * tree-tailcall.c (eliminate_tailcall): Likewise.
22321 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22322 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22323 * tree-nrv.c (tree_nrv): Likewise.
22324 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22325 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22326 (combine_blocks): Likewise.
22327 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22328 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22329 (cleanup_control_flow): Likewise.
22330 (remove_forwarder_block): Likewise.
22331 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22332 * tree-sra.c (sra_replace): Likewise.
22333 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22334 (forward_propagate_single_use_vars): Likewise.
22335 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22336 * tree-inline.c (expand_call_inline): Likewise.
22337 * tree-vect-transform.c (vect_transform_loop): Likewise.
22338 * tree-outof-ssa.c (rewrite_trees): Likewise.
22339 * tree-cfg.c (make_goto_expr_edges): Likewise.
22340 (cleanup_dead_labels): Likewise.
22341 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22342 (bsi_move_before, bsi_move_after): Likewise.
22343 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22344 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22346 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22349 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22351 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22352 on non gimple variables. Also add checks at the top for decls and
22354 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22356 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22357 and IMAGPART_EXPR for creating MUST_DEFs.
22358 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22359 and NAME_MEMORY_TAG separately from the DECLs.
22361 2006-01-06 Richard Guenther <rguenther@suse.de>
22363 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22364 annotation, if necessary.
22365 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22366 redundant calls to update_stmt.
22367 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22370 2006-01-05 Richard Henderson <rth@redhat.com>
22372 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22374 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22376 * c-typeck.c: Update copyright date.
22378 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22380 * c-typeck.c (build_c_cast): Always warn when casting
22381 from a pointer to an integer of different size, even if
22382 the node was constant.
22384 2006-01-05 Richard Guenther <rguenther@suse.de>
22386 PR tree-optimization/22555
22387 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22388 if one structure field is an array.
22389 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22390 operands even if we found a subvar, but ignore VOPs in this
22392 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22394 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22396 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22398 PR middle-end/24998
22399 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22401 2006-01-05 Richard Guenther <rguenther@suse.de>
22402 Diego Novillo <dnovillo@redhat.com>
22404 * tree-pass.h (TODO_remove_unused_locals): Define.
22405 * gimple-low.c (expand_var_p, remove_useless_vars,
22406 pass_remove_useless_vars): Remove. Update all users.
22407 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22408 (remove_unused_locals): New function.
22409 * tree-flow.h (remove_unused_locals): Declare.
22410 * passes.c (execute_todo): Call remove_unused_locals if
22411 TODO_remove_unused_locals is set.
22412 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22413 * tree-ssa-dce.c (pass_dce): Likewise.
22414 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22416 2006-01-05 Richard Guenther <rguenther@suse.de>
22418 * tree-flow.h (struct fieldoff): Decompose field to
22419 type, size and decl.
22420 * tree-ssa-alias.c (create_sft): Take type as parameter.
22421 (create_overlap_variables_for): Store type, size and decl
22422 in the fieldoff structure.
22423 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22424 of struct fieldoff.
22425 (push_fields_onto_fieldstack): Likewise.
22426 (create_variable_info_for): Likewise. Use offset for the
22427 SFT name if the decl is not available.
22429 2006-01-04 Paul Brook <paul@codesourcery.com>
22431 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
22433 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
22435 * lambda-code.c (can_put_in_inner_loop): Relax
22437 (can_put_after_inner_loop): New function.
22438 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
22439 (perfect_nestify): Change to make copies and modify uses.
22441 2006-01-04 Richard Henderson <rth@redhat.com>
22443 Merge from gomp branch:
22444 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
22445 via integer constant.
22446 (pragma_lex): Remove.
22447 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
22448 rather than parsing it.
22449 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
22450 handle_pragma_extern_prefix): Add %< %> quotes.
22451 (registered_pragmas): New.
22452 (c_register_pragma_1): New.
22453 (c_register_pragma): Use it.
22454 (c_register_pragma_with_expansion): Likewise.
22455 (c_invoke_pragma_handler): New.
22456 (init_pragma): Use cpp_register_deferred_pragma directly for
22458 * c-pragma.h (enum pragma_kind): New.
22459 (pragma_handler): New.
22460 (c_invoke_pragma_handler): Declare.
22461 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
22463 * c-common.h (c_common_pch_pragma): Update decl.
22464 * Makefile.in (c-parser.o): Update dependencies.
22465 (GTFILES): Add c-pragma.h.
22466 * c-parser.c (struct c_token): Add pragma_kind.
22467 (struct c_parser): Add in_pragma.
22468 (c_lex_one_token): Always initialize keyword and pragma_kind.
22469 Extract data for CPP_PRAGMA.
22470 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
22471 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
22472 Don't allow CPP_PRAGMA_EOL if in_pragma.
22473 (c_parser_consume_pragma): New.
22474 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
22475 (c_parser_skip_to_end_of_parameter): Likewise.
22476 (c_parser_skip_to_end_of_block_or_statement): Likewise.
22477 (c_parser_skip_to_pragma_eol): New.
22478 (c_parser_external_declaration): Handle CPP_PRAGMA.
22479 (c_parser_compound_statement_nostart): Likewise.
22480 (c_parser_statement_after_labels): Likewise.
22481 (c_parser_pragma): New.
22482 (pragma_lex): Likewise.
22483 (c_parser_pragma_pch_preprocess): New.
22484 (c_parser_new): Merge into ...
22485 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
22487 2006-01-04 Jeff Law <law@redhat.com>
22490 * tree-cfg.c (bsi_replace): Remove the original statement
22491 from the EH throw statement table.
22493 2006-01-04 Jakub Jelinek <jakub@redhat.com>
22495 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
22496 make the prototype extern "C" and add throw ().
22499 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
22500 and pos non-negative and pos + len <= 32.
22501 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
22502 drop pos + len < HOST_BITS_PER_WIDE_INT test.
22503 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
22506 * c-common.c (handle_vector_size_attribute): Reject zero vector size
22507 as well as sizes not multiple of component size.
22510 * function.c (instantiate_expr): New function.
22511 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
22512 walk its DECL_VALUE_EXPR with instantiate_expr.
22514 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
22515 DW_OP_deref{,_size} if address isn't going to be added.
22517 2006-01-04 Ben Elliston <bje@au.ibm.com>
22519 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
22520 * config/fp-bit.c: Likewise.
22522 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
22524 * dominance.c: Add comment about why we use DFS numbering
22527 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22528 Richard Henderson <rth@redhat.com>
22530 Merge from gomp-branch:
22531 * varasm.c (assemble_variable): Handle thread-local COMMON data.
22532 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
22534 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
22536 PR rtl-optimization/25578
22537 * combine.c (combine_simplify_rtx, force_to_mode): Don't
22538 pass a parameter to simplify_shift_const if changing ASHIFTRT
22541 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
22543 * builtins.c (get_builtin_sync_mem): New function.
22544 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
22545 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
22546 Call get_builtin_sync_mem to generate mem rtx.
22548 2006-01-03 Richard Guenther <rguenther@suse.de>
22551 * stmt.c (add_case_node): Make sure to clear overflow flags
22554 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22556 Merge from gomp-branch.
22557 * config/sparc/sync.md: New file.
22558 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
22559 UNSPECV_LDSTUB): New constants.
22560 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
22561 * config/sparc/predicates.md (memory_reg_operand): New predicate.
22562 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22565 2006-01-03 Roger Sayle <roger@eyesopen.com>
22567 * combine.c (reg_subword_p): New predicate to test whether the
22568 destination of a set refers to a subword/piece of a register.
22569 (try_combine): Generalize the code to merge the setting of a
22570 pseudo to a constant followed by a set of a subword of that
22571 register to a constant.
22573 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
22575 * basic-block.h (control_flow_graph): Change the type of
22576 x_label_to_block_map to VEC(basic_block,gc) *.
22577 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
22578 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
22580 * tree-ssa-propagate.c (cfg_blocks): Change the type to
22581 VEC(basic_block,heap) *.
22582 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
22583 ssa_prop_fini): Adjust the uses of cfg_blocks.
22585 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
22587 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
22589 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
22590 hashing trees instead of a pointer hash.
22591 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
22592 compare for MEM_EXPR.
22594 PR rtl-optimization/25130
22595 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
22596 when comparing MEMs for GCSE
22598 2006-01-03 Ben Elliston <bje@au.ibm.com>
22600 * targhooks.h (default_decimal_float_supported_p): Declare.
22601 * targhooks.c (default_decimal_float_supported_p): Define.
22602 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
22603 `default_decimal_float_supported_p'.
22604 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
22606 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
22608 * combine.c (apply_distributive_law <SUBREG>): Check
22609 TRULY_NOOP_TRUNCATION.
22611 2006-01-02 Geoffrey Keating <geoffk@apple.com>
22613 * dwarf2out.c (have_switched_text_section): Delete.
22614 (have_multiple_function_sections): New.
22615 (have_location_lists): Make 'bool'.
22616 (add_AT_loc_list): Use 'true' not '1'.
22617 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
22618 (output_loc_list): Use have_multiple_function_sections.
22619 (output_ranges): Likewise.
22620 (dwarf2out_begin_function): Set have_multiple_function_sections if
22622 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
22623 Check function_section rather than DECL_SECTION_NAME.
22624 (dwarf2out_finish): Use have_multiple_function_sections.
22625 Don't clear have_location_lists.
22627 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
22628 Jan Hubicka <jh@suse.cz>
22630 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
22631 case of conditional jump jumping to the next instruction.
22632 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
22633 cases of conditional jump jumping to the next instruction.
22635 2006-01-02 Jan Hubicka <jh@suse.cz>
22637 * i386.c (*_cost): Add COSTS_N_INSNS.
22638 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
22640 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
22643 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
22645 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
22647 * config/arm/arm.c (all_fpus): Fix comment typo.
22648 * config/darwin.c: Likewise.
22649 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
22650 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
22651 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
22653 2006-01-01 David Edelsohn <edelsohn@gnu.org>
22655 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
22656 (rs6000_split_compare_and_swapqhi): New.
22657 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
22658 (sync_compare_and_swapqhi_internal): New.
22659 * config/rs6000/rs6000-protos.h: Declare.