1 2006-12-12 Olivier Hainque <hainque@adacore.com>
3 * config/vxlib.c: Extract tls related routines into ...
4 * config/vxlib-tls.c: New file.
5 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
7 2006-12-12 Sa Liu <saliu@de.ibm.com>
8 Ben Elliston <bje@au.ibm.com>
10 * config/spu/spu.opt (mfixed-range): New option.
11 * config/spu/spu.h (spu_fixed_range_string): Declare.
12 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
13 (fix_range): New function.
14 * doc/invoke.texi (SPU Options): Document -mfixed-range.
15 * testsuite/gcc.target/spu/fixed-range.c: New.
16 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
18 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
22 * cgraphunit.c (cgraph_optimize): Remove call to
23 process_pending_assemble_externals.
25 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
27 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
29 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
30 (ia64_hpux_add_extern_decl): Removed.
31 (ia64_hpux_file_end): Likewise.
32 (extern_func_list): Likewise.
33 (extern_func_head): Likewise.
35 * output.h (assemble_external): Update comments.
36 (default_elf_asm_output_external): New.
37 (maybe_assemble_visibility): New.
39 * toplev.c (compile_file): Update comment.
41 * varasm.c (assemble_external): Always put it on
42 pending_assemble_externals.
43 (maybe_assemble_visibility): Make it extern and return int.
44 (default_elf_asm_output_external): New.
46 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
48 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
49 can't handle the pointer arithmetic.
51 2006-12-11 Diego Novillo <dnovillo@redhat.com>
53 * doc/tree-ssa.texi: Update documentation for virtual operands
54 and the use of push_stmt_changes/pop_stmt_changes.
55 * doc/invoke.texi: Remove documentation for params
57 Update documentation on max-aliased-vops.
59 * tree-into-ssa.c: Cleanup comments, variables and
60 spacing in various functions.
61 (regs_to_rename): Declare.
62 (mem_syms_to_rename): Declare.
63 (dump_update_ssa): Declare.
64 (debug_update_ssa): Declare.
65 (dump_names_replaced_by): Declare.
66 (debug_names_replaced_by): Declare.
67 (dump_def_blocks): Declare.
68 (debug_def_blocks): Declare.
69 (dump_defs_stack): Declare.
70 (debug_defs_stack): Declare.
71 (dump_currdefs): Declare.
72 (debug_currdefs): Declare.
73 (mark_def_sites): Do not handle virtual operands.
74 (compute_idf): Rename from find_idf. Update users.
75 (register_new_def): Make local. Convert second argument
77 Use BLOCK_DEFS_STACK directly.
78 If pushing a non-register, also push the underlying
80 (rewrite_stmt): Do not handle virtual operands.
81 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
82 dump_currdefs and dump_tree_ssa_stats.
83 (dump_tree_ssa_stats): Also dump REPL_TBL.
84 (replace_use): Remove. Update all users to call SET_USE
86 (rewrite_blocks): Move code to free memory to
88 (mark_def_site_blocks): Move initialization code to
90 (init_ssa_renamer): New.
91 (fini_ssa_renamer): New.
92 (rewrite_into_ssa): Call them.
93 (prepare_block_for_update): Process SSA_OP_ALL_USES first
94 and SSA_OP_ALL_DEFS later. Do not process virtual
96 (dump_update_ssa): Call dump_decl_set.
97 (init_update_ssa): Initialize regs_to_rename and
99 Call init_ssa_renamer.
100 (delete_update_ssa): Call fini_ssa_renamer.
101 Free blocks_with_phis_to_rewrite.
102 (mark_sym_for_renaming): If the variable has
103 sub-variables, also mark them.
104 If the variable belongs to a partition, also mark it.
105 (mark_set_for_renaming): Call mark_sym_for_renaming on
106 every symbol in the set.
107 (switch_virtuals_to_full_rewrite): Call
108 mark_set_for_renaming.
109 (update_ssa): Separate syms_to_rename into regs_to_rename
110 and mem_syms_to_rename.
112 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
113 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
114 (debug_generic_stmt): Likewise.
115 (debug_tree_chain): Likewise.
117 (dump_generic_node): Check for TDF_MEMSYMS.
118 Handle MEMORY_PARTITION_TAG.
119 If the statement references memory and TDF_MEMSYMS is
120 given, call dump_symbols.
121 Indicate default names with (D).
122 (dump_vops): Update for new virtual operator format.
124 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
125 tree_contains_struct.
126 (tree_code_size): Handle MEMORY_PARTITION_TAG.
127 (tree_node_structure): Likewise.
128 (needs_to_live_in_memory): Handle SSA names.
129 * tree.h (MTAG_P): Likewise.
130 (struct tree_memory_partition_tag): Declare.
131 (MPT_SYMBOLS): Define.
132 (union tree_node): Add field 'mpt'.
133 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
134 * tree.def (MEMORY_PARTITION_TAG): Define.
136 * tree-pass.h (TDF_MEMSYMS): Define.
138 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
140 * tree-ssa-alias.c: Include pointer-set.h
141 (struct alias_map_d): Remove fields total_alias_vops,
142 grouped_p and may_aliases. Update all users.
143 (struct mp_info_def): Declare.
144 (mp_info_t): New type.
145 (get_smt_for): Rename from get_tmt_for. Update all
147 (add_may_alias): Add argument ALREADY_ADDED. If given,
148 use it to avoid adding duplicate entries to alias sets.
149 (replace_may_alias): Remove. Update all users.
150 (total_alias_vops_cmp): Remove. Update all users.
151 (group_aliases_into): Remove. Update all users.
152 (tree_pointer_compare): Remove. Update all users.
153 (compact_name_tags): Remove. Update all users.
154 (group_aliases): Remove. Update all users.
155 (mark_non_addressable): Move from tree-flow-inline.h.
156 Remove the symbol from the partition holding it, if
159 (debug_mp_info): New.
161 (create_partition_for): New.
162 (rewrite_alias_set_for): New.
163 (compute_memory_partitions): New.
164 (compute_may_aliases): Call it.
165 (init_alias_info): If computing aliases for the first
166 time, mark every memory symbol for renaming.
167 (have_common_aliases_p): New.
168 (compute_flow_insensitive_aliasing): Call it.
169 (setup_pointers_and_addressables): Do not cache
171 For register promoted symbols, mark their former
172 partition for renaming.
173 (maybe_create_global_var): Only create .GLOBAL_VAR if
174 there are no call-clobbered variables and a mix of pure
175 and non-pure functions were found.
176 (may_alias_p): Tidy comments.
177 (create_tag_raw): Remove unused variable new_type.
178 (dump_alias_info): call dump_memory_partitions.
179 (dump_points_to_info_for): Call dump_decl_set.
180 (may_be_aliased): Tidy comments and formatting.
182 * timevar.def (TV_MEMORY_PARTITIONING): Define.
183 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
184 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
186 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
187 * tree-vect-transform.c (vect_transform_loop): Call
188 mark_set_for_renaming with vect_memsyms_to_rename.
189 * tree-flow-inline.h (zero_imm_uses_p): New.
190 (memory_partition): New.
191 (set_memory_partition): New.
192 (factoring_name_p): New.
193 (symbol_mem_tag): New. Update every function that used
194 to access the annotation directly.
195 (set_symbol_mem_tag): Likewise.
197 * tree-ssa-copy.c (may_propagate_copy): Allow copies
198 between a partition and a symbol as long as the symbol
199 belongs to the partition.
200 (merge_alias_info): Ignore merge requests when memory
201 partitions are involved.
203 * tree-ssa.c (verify_ssa_name): Check that default
204 definitions have empty defining statements.
205 (verify_use): Remove argument IS_VIRTUAL.
206 Don't call verify_ssa_name.
207 (verify_phi_args): Call verify_ssa_name.
208 (verify_flow_insensitive_alias_info): Handle MPTs.
209 (verify_flow_sensitive_alias_info): Likewise.
210 (verify_name_tags): Likewise.
211 (verify_call_clobbering): Likewise.
212 (verify_ssa): Check for VOPs only after aliasing
213 information is available.
214 Check virtuals and real operands separately.
215 Call verify_ssa_name on every operand.
216 (stmt_references_memory_p): Move to tree-ssa-operands.c.
217 (walk_use_def_chains_1): Guard against NULL PHI
220 * tree-ssa-operands.c (stmt_references_memory_p): Move from
223 (dump_memory_partitions): New.
224 (debug_memory_partitions): New.
226 * tree-flow.h (struct var_ann_d): Add field mpt.
227 (struct stmt_ann_d): Add bitfield references_memory.
228 * Makefile.in (tree-ssa-structalias.o): Include
230 (tree-ssa-alias.o): Likewise.
231 * tree-ssa-structalias.c: (update_alias_info): Use
232 STORED_SYMS to determine which variables are being
233 written to by the store operation.
234 * tree-ssa-structalias.h (struct alias_info)
235 <total_alias_vops>: Remove. Update all users.
236 <written_vars>: Change to a pointer set. Update all
238 <dereferenced_ptrs_store>: Likewise.
239 <dereferenced_ptrs_load>: Likewise.
240 (NUM_REFERENCES): Remove. Update all users.
241 (NUM_REFERENCES_CLEAR): Remove. Update all users.
242 (NUM_REFERENCES_INC): Remove. Update all users.
243 (NUM_REFERENCES_SET): Remove. Update all users.
245 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
247 (PARAM_MAX_ALIASED_VOPS): Set to 10.
248 * tree-ssanames.c (make_ssa_name): Initialize
249 SSA_NAME_IS_DEFAULT_DEF to 0.
251 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
253 * tree-ssa-dse.c (aggregate_vardecl_d): New.
254 (dse_global_data): Add aggregate_vardecl field.
255 (dse_possible_dead_store_p): New.
256 Add prev_defvar variable.
257 Allow immediate uses and previous immediate uses to differ
258 if they are setting different parts of the whole.
259 (get_aggregate_vardecl): New.
260 (dse_record_partial_aggregate_store): New.
261 (dse_whole_aggregate_clobbered_p): New.
262 (dse_partial_kill_p): New.
263 (dse_optimize_stmt): Abstract code checking a possible dead store
264 into new function dse_possible_dead_store_p().
265 Call dse_maybe_record_aggregate_store().
266 When checking whether a STMT and its USE_STMT refer to the
267 same memory address, check also for partial kills that clobber
269 Move some variable definitions to the block where they are used.
270 (aggregate_vardecl_hash): New.
271 (aggregate_vardecl_eq): New.
272 (aggregate_vardecl_free): New.
273 (aggregate_whole_store_p): New.
274 (tree_ssa_dse): Initialize and free aggregate_vardecl.
275 Mark which aggregate stores we care about.
277 2006-12-11 Andrew Macleod <amacleod@redhat.com>
279 * tree-ssa-operands.h (struct vuse_element_d): Declare.
280 (vuse_element_t): Declare.
281 (struct vuse_vec_d): Declare.
282 (vuse_vec_p): Declare.
283 (VUSE_VECT_NUM_ELEM): Define.
284 (VUSE_VECT_ELEMENT_NC): Define.
285 (VUSE_ELEMENT_PTR_NC): Define.
286 (VUSE_ELEMENT_VAR_NC): Define.
287 (VUSE_VECT_ELEMENT): Define.
288 (VUSE_ELEMENT_PTR): Define.
289 (VUSE_ELEMENT_VAR): Define.
290 (struct maydef_optype_d) <use_var>: Remove.
293 (struct vuse_optype_d) <kill_var>: Remove.
296 (struct mustdef_optype_d) <kill_var>: Remove.
299 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
300 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
303 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
304 (MAYDEF_OP): Add argument. Use VUSE_OP.
305 (MAYDEF_NUM): Define.
306 (MAYDEF_VECT): Define.
307 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
308 (MUSTDEF_KILL): Use VUSE_OP.
309 (MUSTDEF_NUM): Define.
310 (MUSTDEF_VECT): Define.
311 (realloc_maydef): Declare.
312 (realloc_vuse): Declare.
313 (struct ssa_operand_iterator_d) <vuse_index>: Add.
315 (LOADED_SYMS): Define.
316 (STORED_SYMS): Define.
317 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
318 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
320 * tree-pretty-print.c: Likewise.
321 * tree-ssa-dse.c: Likewise.
322 * tree-flow-inline.h: Likewise.
323 (op_iter_next_mustdef): New.
324 * tree-ssa-operands.c: Likewise.
325 (ALLOC_OPTYPE): Remove.
331 (alloc_mustdef): New.
332 (realloc_maydef): New.
335 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
337 * tree-ssa-operands.c: Remove build_v_must_defs.
338 (init_ssa_operands): Delete build_v_must_defs.
339 (finalize_ssa_v_must_def_ops): Remove.
340 (finalize_ssa_v_must_defs): Remove.
341 (finalize_ssa_stmt_operands): Do not call
342 finalize_ssa_v_must_defs.
343 (start_ssa_stmt_operands): Do not check build_v_must_defs.
344 (append_v_must_def): Delete.
345 (copy_virtual_operands): Do not copy V_MUST_DEFs.
346 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
347 comment. Remove opf_kill_def.
348 (build_ssa_operands): Remove references to v_must_defs.
349 (copy_virtual_operands): Same.
350 (copy_virtual_operands): Same.
351 (fini_ssa_operands): Same.
352 (free_ssa_operands): Same.
353 (add_mustdef_op): Remove.
354 Remove mustdef_optype_p.
355 (alloc_mustdef): Remove.
356 Remove references to V_MUST_DEFs in comment at top of file.
357 (get_expr_operands): Remove opf_kill_def.
358 (opf_kill_def): Remove.
359 (add_virtual_operand): Remove opf_kill_def.
360 (get_indirect_ref_operands): Same.
361 (get_tmr_operands): Same.
363 * tree-vectorizer.c (rename_variables_in_bb): Remove
366 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
368 (check_loop_closed_ssa_stmt): Same.
370 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
372 (verify_ssa): Remove V_MUST_DEFs traces.
373 (verify_ssa): Remove SSA_OP_ALL_KILLS.
375 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
377 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
378 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
380 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
382 (MUSTDEF_OPS): Remove.
383 (SSA_OP_VMUSTDEF): Remove.
384 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
385 (struct mustdef_optype_d): Remove.
386 Remove mustdef_optype_p.
387 (struct stmt_operands_d): Remove mustdef_ops.
388 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
389 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
390 (MUSTDEF_RESULT_PTR): Remove.
391 (MUSTDEF_RESULT): Remove.
392 (MUSTDEF_KILL_PTR): Remove.
393 (MUSTDEF_KILL): Remove.
394 (MUSTDEF_NUM): Remove.
395 (MUSTDEF_VECT): Remove.
396 (SSA_OP_VIRTUAL_KILLS): Remove.
397 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
398 (SSA_OP_VMUSTKILL): Remove.
399 (SSA_OP_ALL_KILLS): Remove.
400 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
402 * tree-flow-inline.h (op_iter_init_def): Remove
403 SSA_OP_VIRTUAL_KILLS.
404 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
406 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
407 SSA_OP_VIRTUAL_KILLS.
409 * tree-ssa-loop-im.c (determine_max_movement): Remove
410 SSA_OP_VIRTUAL_KILLS.
411 (gather_mem_refs_stmt): Same.
412 (gather_mem_refs_stmt): Same.
414 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
415 (perform_tree_ssa_dce): Remove call to
416 mark_really_necessary_kill_operand_phis.
418 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
420 (op_iter_next_use): Do not check mustkills.
421 (op_iter_next_def): Do not check mustdefs.
422 (op_iter_next_tree): Do not check mustkills or mustdefs.
423 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
424 (op_iter_next_maymustdef): Do not check mustkills.
425 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
426 (op_iter_init_mustdef): Remove.
428 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
431 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
433 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
434 (visit_assignment): Same.
436 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
438 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
440 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
442 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
443 Remove kill_p variable.
445 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
446 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
447 (collect_dfa_stats_r): Do not set num_v_must_defs.
448 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
451 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
454 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
455 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
457 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
460 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
462 PR rtl-optimization/30113
463 * loop-iv.c (implies_p): Require the mode of the operands to be
466 2006-12-11 Diego Novillo <dnovillo@redhat.com>
468 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
469 Rename from create_ssa_artficial_load_stmt. Update all users.
470 * tree-into-ssa.c (register_new_def): Make static.
471 * tree.c (is_global_var): Handle SSA_NAMEs.
472 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
473 that used to call gimple_default_def.
474 * tree-ssa-operands.c (push_stmt_changes): New.
475 (pop_stmt_changes): New. Update every pass that modifies
476 statements to bracket modifications with
477 push_stmt_changes/pop_stmt_changes.
478 (discard_stmt_changes): New.
479 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
480 'tree *' instead of 'tree'. Update all users.
481 * tree-flow-inline.h (zero_imm_uses_p): New.
482 (symbol_mem_tag): New. Update every function that used
483 to access the annotation directly.
484 (set_symbol_mem_tag): Likewise.
485 * tree-dfa.c (dump_variable): Always show the escape mask.
486 (mark_symbols_for_renaming): Rename from
487 mark_new_vars_to_rename. Update all users.
488 Only mark to rename naked symbols in real and virtual
491 2006-12-11 Andreas Schwab <schwab@suse.de>
493 * varasm.c (elf_record_gcc_switches): Cast second argument of
494 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
496 2006-12-11 Diego Novillo <dnovillo@redhat.com>
498 * tree-scalar-evolution.c (scev_const_prop):
499 * tree-phinodes.c (remove_phi_node): Add argument
500 RELEASE_LHS_P. If given, release the SSA name on the LHS of
503 * tree-ssa-dce.c: Remove forward declarations for static
504 functions. Re-arrange functions bodies as needed.
505 (find_obviously_necessary_stmts): Never mark PHI nodes as
508 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
510 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
512 2006-12-11 Jan Hubicka <jh@suse.cz>
514 * value-prof.c (tree_stringops_transform): New.
515 (tree_value_profile_transformations): Require count to be non-zero;
516 call stringop transform; reset stmt BSI after BB changed.
517 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
518 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
519 (tree_stringops_values_to_profile): New.
520 (tree_values_to_profile): Call tree_stringops_values_to_profile.
521 * tree.h (build_string_literal): Tidy prototype.
522 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
524 * builtins.c (validate_arglist, builtin_memset_read_str,
525 get_pointer_alignment): Export.
527 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
531 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
533 * config/i386/i386.opt: New target option -mx87regparm.
535 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
536 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
537 (X87_REGPARM_MAX): Define.
539 * config/i386/i386.c (override_options): Error out for
540 -mx87regparm but no 80387 support.
541 (ix86_attribute_table): Add x87regparm.
542 (ix86_handle_cconv_attribute): Update comments for x87regparm.
543 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
544 (ix86_function_x87regparm): New function.
545 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
547 (init_cumulative_args): Initialize x87_nregs and float_in_x87
549 (function_arg_advance): Process x87_nregs and x87_regno when
550 floating point argument is to be passed in 80387 register.
551 (function_arg): Pass XFmode arguments in 80387 registers for local
552 functions. Pass SFmode and DFmode arguments to local functions
553 in 80387 registers when flag_unsafe_math_optimizations is set.
555 * reg-stack.c (convert_regs_entry): Disable NaN load for
556 stack registers that are used for argument passing.
558 * doc/extend.texi: Document x87regparm function attribute.
559 * doc/invoke.texi: Document -mx87regparm.
561 2006-12-11 Jan Hubicka <jh@suse.cz>
563 Move all varpool routines out of cgraph/cgraphunit to varpool.c
564 * cgraph.c: Update comments.
565 (cgraph_varpool_hash,
566 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
567 cgraph_varpool_node_name, cgraph_varpool_node,
568 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
569 cgraph_variable_initializer_availability): Move to
570 varpool.c and drop cgraph_ prefixes.
571 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
572 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
573 move to varpool.c; drop cgraph_ prefix; make static.
574 (dump_cgraph_varpool_node): Move to varpool.c under name
576 (dump_varpool, hash_varpool_node, eq_varpool_node,
577 decide_is_variable_needed): Move to varpool.c
578 (decl_assembler_name_equal): Move to tree.c.
579 (availability_names): Rename to ...
580 (cgraph_availability_names): ... this one.
581 (dump_cgraph_node): Update.
582 * cgraph.h: Reorder declarations now in varpool.c
583 (cgraph_vailablity_names): Declare.
584 (struct cgraph_varpool_node): Rename to ...
585 (struct varpool_node): ... this one.
586 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
587 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
588 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
589 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
590 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
591 cgraph_variable_initializer_availability): Rename to ...
592 (varpool_first_unanalyzed_node, varpool_nodes_queue,
593 varpool_first_unanalyzed_node, varpool_node,
594 varpool_node_for_asm, varpool_mark_needed_node,
595 varpool_finalize_decl, varpool_enqueue_needed_node,
596 varpool_assemble_pending_decls, variable_initializer_availability):
598 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
599 * tree.h (decl_assembler_name_equal): Declare.
600 * omp-low.c (lower_omp_critical): Update.
601 * ipa-reference (analyze_variable, static_execute): Likewise.
602 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
603 * cgraphunit.c: Update comments.
604 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
605 varpool_assembled_nodes_queue.
606 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
607 varpool_analyze_pending_decls.
608 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
609 varpool_remove_unreferenced_decls.
610 (record_reference): Update.
611 (cgraph_create_edges): Update.
612 (record_referneces_in_initializer): New function.
613 (cgraph_varpool_assemble_decl): Move to varpool.c under name
614 varpool_assemble_decl; make global.
615 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
616 varpool_assemble_pending_decls.
617 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
618 struct cgraph_order_sort, cgraph_output_in_order,
619 cgraph_function_and_variable_invisibility, cgraph_optimize,
620 cgraph_increase_alignment): Update.
621 * dwarf2out.c (decls_for_scope): Likewise.
622 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
623 * except.c (output_ttype): Likewise.
624 * varasm.c (mark_decl_referenced): Likewise.
625 (find_decl_and_mark_referenced, assemble_alias): update.
626 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
627 * passes.c (rest_of_decl_compilation): Update.
629 2006-12-11 Ira Rosen <irar@il.ibm.com>
631 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
633 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
634 (vect_setup_realignment): Likewise.
636 2006-12-11 Sa Liu <saliu@de.ibm.com>
637 Ben Elliston <bje@au.ibm.com>
639 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
640 (ENDFILE_SPEC): Likewise.
641 * config/spu/spu.opt (mstdmain): New option.
642 * config/spu/crti.asm: Remove.
643 * config/spu/crtn.asm: Likewise.
644 * config/spu/crt0.c: Likewise.
645 * config/spu/crtend.c: Likewise.
646 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
648 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
649 * doc/invoke.texi (SPU Options): Document -mstdmain.
651 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
653 * doc/loop.texi: Document number_of_latch_executions and
654 number_of_cond_exit_executions.
655 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
656 chrec_is_positive, number_of_iterations_for_all_loops,
657 scev_const_prop): Use number_of_latch_executions.
658 (set_nb_iterations_in_loop): Do not increase the value of the
659 number of iterations.
660 (number_of_iterations_in_loop): Renamed to ...
661 (number_of_latch_executions): ... this.
662 (number_of_exit_cond_executions): New function.
663 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
665 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
666 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
667 number_of_latch_executions.
668 * tree-data-ref.c (get_number_of_iters_for_loop): Use
669 number_of_exit_cond_executions.
670 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
671 * cfgloop.h (struct loop): Improve description of the nb_iterations
674 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
676 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
677 (tree_pointer_compare): Remove.
679 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
681 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
682 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
683 * tree-loop-linear.c (linear_transform_loops): Ditto.
684 * tree-ssa-loop-im.c (determine_lsm): Ditto.
685 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
686 free_numbers_of_iterations_estimates): Ditto.
687 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
688 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
689 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
690 * modulo-sched.c (sms_schedule): Ditto.
691 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
692 tree_unroll_loops_completely): Ditto.
693 * predict.c (predict_loops): Ditto.
694 * tree-if-conv.c (main_tree_if_conversion): Ditto.
695 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
696 decide_unrolling_and_peeling): Ditto.
697 * cfgloopmanip.c (unloop): Use delete_loop.
698 (place_new_loop): Access larray vector instead of parray.
699 (create_preheaders, force_single_succ_latches,
700 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
701 * loop-doloop.c (doloop_optimize_loops): Ditto.
702 * loop-invariant.c (move_loop_invariants): Ditto.
703 * tree-cfg.c (replace_uses_by): Ditto.
704 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
705 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
707 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
709 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
710 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
711 get_loop and get_chrec_loop.
712 (number_of_iterations_for_all_loops): Use number_of_loops.
713 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
714 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
715 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
717 * tree-chrec.c (evolution_function_is_invariant_rec_p,
718 chrec_convert_1): Use get_loop and get_chrec_loop.
719 * loop-init.c (loop_optimizer_init): Use number_of_loops.
720 (loop_optimizer_init): Use FOR_EACH_LOOP.
721 * tree-vectorizer.c (vect_loops_num): Removed.
722 (vectorize_loops): Store number of loops locally. Use
723 FOR_EACH_LOOP and get_loop.
724 * tree-vectorizer.h (vect_loops_num): Removed.
725 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
726 (find_data_references_in_loop): Do not set parallel_p.
727 * tree-data-ref.h: Do not declare VEC(loop_p).
728 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
729 verify_loop_structure): Use FOR_EACH_LOOP.
730 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
731 (initialize_loops_parallel_p): Removed.
732 (flow_loops_find): Push the loops into a vector.
733 (delete_loop): New function.
734 (cancel_loop): Use delete_loop.
735 * cfgloop.h: Declare VEC(loop_p).
736 (struct loop): Remove parallel_p field.
737 (struct loops): Replace num and parray field by larray vector.
738 Remove shared_headers field.
739 (delete_loop): Declare.
740 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
742 * doc/loop.tex: Document new accessor functions.
744 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
746 * common.opt (-ftree-lrs): Remove live range splitting option.
747 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
748 * opts.c (decode_options): Remove flag_tree_live_range_split.
749 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
750 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
751 * tree-outof-ssa.c: Remove header files which aren't needed.
752 (SSANORM_*): Remove flags.
753 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
754 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
755 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
756 (assign_vars): Use Basevar instead of root_var structure.
757 (replace_def_variable): Dont do anything if def is replaceable.
758 (remove_ssa_form): Integrate functional changes.
759 (rewrite_out_of_ssa): Remove live-range_split option.
760 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
761 (coalesce_cost): Calculate the cost of a coalesce.
762 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
763 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
764 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
765 (pop_best_coalesce): Remove the best coalesce from the list.
766 (coalesce_pair_map_hash): Calculate coalesce pair hash.
767 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
768 (create_coalesce_list): Create a coalesce list object.
769 (delete_coalesce_list): Free a coalesce list object.
770 (find_coalesce_pair): Find matching pair in the coalesce list.
771 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
772 (add_coalesce): Add a coalesce to the coalesce list.
773 (compare_pairs): Comparision function to determine pair sorted order.
774 (num_coalesce_pairs): Number of coalesced pairs.
775 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
776 Coalesce pair iterator functions.
777 (sort_coalesce_list): Sort coalesce pairs in order of expense.
778 (dump_coalesce_list): Show coalesce list.
779 (ssa_conflicts_new): Create an SSA conflict graph.
780 (ssa_conflicts_delete): Delete an SSA conflict graph.
781 (ssa_conflicts_test_p): Test for conflicts.
782 (ssa_conflicts_add_one): Add a single conflict.
783 (ssa_conflicts_add): Add a conflict pair.
784 (ssa_conflicts_merge): Merge conflicts.
785 (struct live_track_d): Struct for tracking live partitions.
786 (new_live_track): Create new live_track object.
787 (delete_live_track): Delete a live_track object.
788 (live_track_remove_partition): Remove a partition from the live list.
789 (live_track_add_partition): Add a partition from the live list.
790 (live_track_clear_var): Take VAR from the live list.
791 (live_track_live_p): Is var live?
792 (live_track_process_use): Make var come alive.
793 (live_track_process_def): Make var go dead, add conflicts.
794 (live_track_init): Initialize to a live on exit set.
795 (live_track_clear_base_vars): Clear live partitions.
796 (build_ssa_conflict_graph): Build a conflict graph.
797 (print_exprs): Common debug output routine.
798 (abnormal_corrupt): Output info about a failed coalesce across an
800 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
801 (create_outofssa_var_map): Create a var map and coalesce list.
802 (attempt_coalesce): Coalesce a pair.
803 (coalesce_partitions): Coalesce all pairs in a coalesce list.
804 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
805 * tree-ssa-live.c: Remove header files which aren't needed.
806 (var_map_base_init): New. Initialize a basevar list.
807 (var_map_base_fini): New. Finish a basevar list.
808 (init_var_map): Initialize new fields.
809 (delete_var_map): Free new fields.
810 (var_union): Use renamed fields.
811 (compact_var_map): Remove.
812 (partition_to_view_init): Use renamed fields, change order of an if.
813 (partition_view_fini): Use renamed fields.
814 (partition_view_normal): Create basevar list if requested.
815 (partition_view_bitmap): Create a view based on a bitmap of partitions.
816 (change_partition_var): Use renamed fields.
817 (create_ssa_var_map): Remove.
818 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
819 root_var_init): Remove.
820 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
821 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
822 compare_pairs, num_coalesce_pairs, first_partition_pair,
823 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
824 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
825 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
826 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
827 (dump_var_map): Use renamed fields.
828 * tree-ssa-live.h (struct _var_map): Modify fields.
829 (partition_to_var, version_to_var, var_to_partition): Use renamed
831 (basevar_index): New. Index of the base variable of a partition.
832 (num_basevars): New. Number of unique base variables in partition map.
833 (register_ssa_partition): Use renamed fields.
834 (struct tree_partition_associator_d): Remove.
835 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
836 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
837 root_var, root_var_first_partition, root_var_next_partition,
838 root_var_dump, root_var_delete, root_var_remove_partition,
839 root_var_find, root_var_compact, root_var_decompact): Remove.
840 (struct partition_pair, struct coalesce_list_d): Moved to
842 * tree-ssa-ter.c: Remove header files which aren't needed.
844 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
846 * cse.c: (struct cse_basic_block_data): Remove LAST field.
847 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
849 (cse_visited_basic_blocks): New static bitmap.
850 (cse_end_of_basic_block, cse_basic_block): Remove.
851 (cse_find_path, cse_dump_path, cse_prescan_path,
852 cse_extended_basic_block): New static functions.
853 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
854 basic block boundaries. Don't record jump equivalences here.
855 Update the CFG after doing in-place replacement of the SET_SRC.
856 (cse_main): Rewrite. Look for extended basic block headers
857 and call cse_extended_basic_block on them until all paths that
858 start at this header are exhausted.
859 (rest_of_handle_cse): Verify that the CFG is incrementally updated
860 and correct after cse_main.
861 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
862 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
863 (pass_cse): Add TODO_verify_flow.
864 (pass_cse2): Likewise.
866 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
868 * reload1.c (choose_reload_regs): Don't set byte offset when
869 resolving subregs of hard regs.
871 2006-12-09 Zack Weinberg <zackw@panix.com>
873 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
874 suitable for the language, if set_yydebug is true.
875 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
876 YYDEBUG or declare yydebug.
877 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
879 2006-12-09 Jan Hubicka <jh@suse.cz>
881 * cgraph.c: Update copyright.
883 (cgraph_update_pending_function): Remove prototype.
884 * cgraphunit.c: Update copyright; update overall comment.
885 (cgraph_assemble_pending_functions): Make local.
887 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
889 * haifa-sched.c (schedule_block): Remove excessive sanity check.
891 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
893 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
895 (cpat_const_p, gen_cpat_const): Add.
896 * config/spu/spu.c (immediate_class): New enum.
897 (cpat_info, classify_immediate): New.
898 (print_operand): Use S, D, T instead of F, G, H. Use
899 classify_immediate. Handle cpat cases.
900 (spu_split_immediate): Renamed from spu_split_address. Split all
901 immediates that can be split.
902 (immediate_load_p): Use classify_immediate.
903 (spu_legitimate_constant_p): Accept everything except some cases of
905 (spu_expand_move): Use spu_split_immedate.
906 (fsmbi_const_p): Use classify_immediate.
908 (gen_cpat_const: New.
909 * config/spu/constraints.md (j,k,l): New constraints for cpat
911 * config/spu/spu.md (unnamed splitter): Change address splitter to
912 handle all immediates.
913 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
915 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
918 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
921 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
922 patterns. Correct length of high:DI instruction sequence.
924 2006-12-08 Mike Stump <mrs@apple.com>
926 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
927 libgcc with -mmacosx-version-min=10.4.
928 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
929 G4 for 10.5+ unless doing kernel builds.
931 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
934 * reg-stack.c (convert_regs_entry): Mark current argument passing
937 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
938 of float arguments in x87 registers.
940 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
942 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
944 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
946 * recog.c (mode_dependent_address_p): Identify pre-increment,
947 pre-decrement, post-increment and post-decrement addressing as always
948 being mode-dependent.
949 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
950 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
951 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
952 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
953 PRE_INC and POST_INC checks.
954 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
955 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
956 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
957 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
958 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
959 PRE_INC, POST_DEC and POST_INC cases.
960 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
961 Delete POST_INC and PRE_DEC cases.
962 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
964 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
965 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
967 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
968 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
969 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
970 PRE_INC and PRE_DEC cases.
971 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
972 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
973 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
974 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
975 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
976 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
977 auto-increment cases.
978 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
979 auto-increment cases.
980 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
982 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
984 * Makefile.in: Add new file tree-ssa-ter.c.
985 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
986 free_temp_expr_table, add_value_to_version_list,
987 add_value_to_partition_list, remove_value_from_partition_list,
988 add_dependence, check_replaceable, finish_expr, mark_replaceable,
989 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
990 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
991 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
993 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
994 (struct value_expr_d): Remove.
995 (struct temp_expr_table_d): Rename fields, add explicit vector of
996 replaceable expressions instead of sharing. Change value_expr_p's to
997 bitmap. Delete free_list.
998 (new_temp_expr_table): Rename fields, count number of ssa_names in
1000 (free_temp_expr_table): Rename field, free new fields.
1001 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1002 add_info_to_list, remove_value_from_list): Delete.
1003 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1004 (make_dependent_on_partition): New. Set bit in version list, allocating
1005 a bitmap if need be.
1006 (add_to_partition_kill_list): New. Set bit in the partition list,
1007 allocating a bitmap if need be.
1008 (remove_from_partition_kill_list): New. Remove a bit from the
1009 partition list, free the bitmap if it is empty.
1010 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1011 on partitions with only one member.
1012 (is_replaceable_p): New. Split out replaceability check from
1014 (process_replaceable): New. Code split from check_replaceable.
1015 (check_replaceable): Removed.
1016 (finished_with_expr): Renamed from finish_expr.
1017 (kill_expr): Use renamed fields and less parameters.
1018 (kill_virtual_exprs): Less parameters.
1019 (mark_replaceable): Use renamed fields.
1020 (find_replaceable_in_bb): Use renamed fields, cleanup.
1021 (find_replaceable_exprs): Use renamed routines, cleanup.
1022 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1023 (debug_ter): New. Debug routine to dump state.
1025 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1027 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1028 anything involving the GOT.
1029 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1030 (trapping_loads_p): Look inside the pattern of an insn to find the
1032 * config/bfin/bfin.md (attr "type"): Add movcc.
1033 (insn_reservation "alu"): Likewise.
1034 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1036 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1038 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1039 (spu_resolve_overloaded_builtin): Check for non scalar instead
1040 of vector type and check the function call argument type also for
1042 Call build_function_call instead of spu_build_overload_builtin.
1044 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1046 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1047 to the calls of hwint_to_const_double.
1049 2006-12-07 Nick Clifton <nickc@redhat.com>
1051 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1052 elf_record_gcc_switches.
1054 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1056 * expr.c (string_constant): Account for non-zero lower bound arrays.
1058 2006-12-07 Richard Guenther <rguenther@suse.de>
1060 * builtins.c (expand_builtin_pow): Adjust predicates for
1061 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1064 2006-12-07 Jan Hubicka <jh@suse.cz>
1066 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1069 2006-12-07 Jan Hubicka <jh@suse.cz>
1071 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1072 use fold_constant_to_binary; tolerate wrong type constants.
1073 (value_intersect_p): Do just two tests.
1075 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1077 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1078 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1079 lshifthi3): Use it, and fix the order of alternatives.
1081 2006-12-07 Nick Clifton <nickc@redhat.com>
1083 * common.opt (record-gcc-switches): New command line switch.
1084 * target.h (print_switch_type): New enum.
1085 (print_switch_fn_type): New typedef for a function pointer.
1086 (struct gcc_target): Add record_gcc_switches and
1087 record_gcc_switches_section fields.
1088 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1090 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1092 * toplev.c (print_single_switch): Simplify by providing a
1093 pointer to function that will format and output the switch
1095 (print_switch_values): Likewise.
1096 (print_to_asm_out_file): New function.
1097 (print_to_stderr): New function.
1098 (init_asm_output): If flag_record_gcc_switches is set then if
1099 the target supports recording the switches then emit them into
1100 the assembler output file, otherwise tell the user that the
1101 switch is not supported.
1102 * varasm.c (eld_record_gcc_switches): New function. Example
1103 handler for the record_gcc_switches target hook.
1104 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1106 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1107 * doc/invoke.texi (-frecord-gcc-switches): Document.
1109 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1112 * sched-rgn.c (add_block1): Use correct initializer.
1114 2006-12-07 Richard Guenther <rguenther@suse.de>
1116 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1117 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1119 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1122 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1123 not GIMPLE_MODIFY_STMT.
1125 2006-12-06 Jan Hubicka <jh@suse.cz>
1127 * tree-vrp.c (operand_less_p): New.
1128 (compare_values, value_inside_range): Rewrite in terms of
1131 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1133 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1135 (length_immediate): Do not depend on cld type attribute.
1136 (length_address): Ditto.
1139 (cld): Remove insn pattern.
1140 (strmov_singleop): Do not use DIRFLAG_REG.
1141 (*strmovdi_rex_1): Ditto.
1142 (*strmovsi_1): Ditto.
1143 (*strmovsi_rex_1): Ditto.
1144 (*strmovhi_1): Ditto.
1145 (*strmovhi_rex_1): Ditto.
1146 (*strmovqi_1): Ditto.
1147 (*strmovqi_rex_1): Ditto.
1149 (*rep_movdi_rex64): Ditto.
1150 (*rep_movsi): Ditto.
1151 (*rep_movsi_rex64): Ditto.
1152 (*rep_movqi): Ditto.
1153 (*rep_movqi_rex64): Ditto.
1154 (strset_singleop): Ditto.
1155 (*strsetdi_rex_1): Ditto.
1156 (*strsetsi_1): Ditto.
1157 (*strsetsi_rex_1): Ditto.
1158 (*strsethi_1): Ditto.
1159 (*strsethi_rex_1): Ditto.
1160 (*strsetqi_1): Ditto.
1161 (*strsetqi_rex_1): Ditto.
1163 (*rep_stosdi_rex64): Ditto.
1164 (*rep_stossi): Ditto.
1165 (*rep_stossi_rex64): Ditto.
1166 (*rep_stosqi): Ditto.
1167 (*rep_stosqi_rex64): Ditto.
1168 (cmpstrnsi): Do not generate cld insn.
1169 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1170 (*cmpstrnqi_nz_1): Ditto.
1171 (*cmpstrnqi_nz_rex_1): Ditto.
1172 (cmpstrnqi_1): Ditto.
1173 (*cmpstrnqi_1): Ditto.
1174 (*cmpstrnqi_rex_1): Ditto.
1175 (strlenqi_1): Ditto.
1176 (*strlenqi_1): Ditto.
1177 (*strlenqi_rex_1): Ditto.
1179 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1180 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1181 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1183 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1184 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1186 (k6_alux_only_load): Ditto.
1187 (k6_alux_only_store): Ditto.
1189 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1190 Do not emit cld instruction.
1191 (ix86_expand_setmem): Ditto.
1192 (ix86_expand_strlen): Do not emit cld instruction.
1194 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1196 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1199 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1201 * gdbinit.in: Set complaints to 0.
1203 2006-12-06 Jan Hubicka <jh@suse.cz>
1205 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1206 ALONE_MEM_STAT_DECL): New macros.
1207 * bitmap.h: Include statistics.h
1208 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1209 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1210 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1211 * bitmap.c: Include hashtab.h
1212 (bitmap_descriptor): New.
1213 (bitmap_hash): New static variable
1214 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1215 New static functions.
1216 (bitmap_register): New.
1217 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1218 bitmap_obstack_release): Do accounting.
1219 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1221 (bitmap_gc_alloc_stat): Likewise.
1222 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1223 (print_statistics, dump_bitmap_statistics): New functions.
1224 * toplev.c (finalize): Dump bitmap statistics.
1226 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1228 * reload1.c (delete_output_reload): Count occurrences in
1229 CALL_INSN_FUNCTION_USAGE.
1230 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1231 crashing at the end of the list.
1233 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1235 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1236 Optimize to avoid marking more SMT's as used when they aren't.
1238 2006-12-05 Eric Christopher <echristo@apple.com>
1240 * config/i386/i386.c (x86_output_aligned_bss): Move out
1241 of COMMON_ASM_OP ifdef.
1243 2006-12-05 Eric Christopher <echristo@apple.com>
1245 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1246 (STARTFILE_SPEC): Use.
1247 (DARWIN_DYLIB1_SPEC): New.
1248 (DARWIN_CRT1_SPEC): New.
1249 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1251 * config/i386/darwin.h: Ditto.
1252 * config/rs6000/darwin.h: Ditto.
1254 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1256 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1257 * tree-complex.c (pass_lower_complex): Ditto.
1258 * tree-ssa-ccp.c (pass_ccp): Ditto.
1259 (pass_store_ccp): Ditto.
1260 * tree-ssa-dom.c (pass_dominator): Ditto.
1261 (pass_phi_only_cprop): Ditto.
1262 * tree-sra.c (pass_sra): Ditto.
1263 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1264 * tree-flow.h (updating_used_alone): Remove.
1265 (updating_used_alone): Ditto.
1266 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1267 (lhs_may_store_to): Remove function.
1268 (recalculate_used_alone): Ditto.
1269 (compute_may_aliases): Remove used_alone calculation.
1270 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1271 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1272 * tree-pass.h (PROP_smt_usage): Remove.
1273 * passes.c (execute_todo): Remove used alone recalculation.
1274 (execute_one_pass): Ditto.
1275 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1278 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1280 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1282 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1284 PR tree-optimization/14784
1285 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1287 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1289 Merge from gimple-tuples-branch.
1291 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1293 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1295 (s390_gimplify_va_arg): Same.
1296 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1297 * config/sh/sh.c (sh_va_start): Same.
1298 (sh_gimplify_va_arg_expr): Same.
1299 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1300 (xtensa_gimplify_va_arg_expr): Same.
1301 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1302 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1303 * config/mips/mips.c (mips_va_start): Same.
1304 (mips_gimplify_va_arg_expr): Same.
1306 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1308 * Merge from mainline at revision 119445.
1310 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1312 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1314 (spu_gimplify_va_arg_expr): Same.
1316 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1318 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1319 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1320 (xstormy16_expand_builtin_va_arg): Same.
1322 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1324 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1325 to GIMPLE_MODIFY_STMT.
1327 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1329 * config/alpha/alpha.c (va_list_skip_additions): Change all
1330 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1331 (alpha_va_start): Same.
1332 (alpha_gimplify_va_arg_1): Same.
1333 (alpha_gimplify_va_arg): Same.
1335 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1337 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1339 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1341 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1342 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1344 * tree-complex.c: Same.
1345 * tree-pretty-print.c: Same.
1349 * fold-const.c: Same.
1350 * tree-ssa-dom.c: Same.
1351 * tree-ssa-propagate.c: Same.
1352 * tree-ssa-alias.c: Same.
1353 * gimple-low.c: Same.
1354 * dwarf2out.c: Same.
1355 * c-pretty-print.c: Same.
1357 * tree-inline.c: Same.
1358 * tree-outof-ssa.c: Same.
1359 * tree-ssa-structalias.c: Same.
1360 * tree-ssa-reassoc.c: Same.
1363 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1365 * tree.c (build2_stat): Fix comment.
1367 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1369 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1370 TREE_OPERAND when appropriate.
1372 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1374 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1375 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1376 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1377 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1378 not handle GIMPLE_MODIFY_STMT in the switch statement.
1379 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1380 (java_gimplify_new_array_init): Same.
1382 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1384 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1385 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1386 * fold-const.c (fold_binary): Allow gimple statements.
1388 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1389 Rename from gfc_conv_descriptor_data_set.
1390 Call gfc_add_modify instead of gfc_add_modify_expr.
1391 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1392 Rename from gfc_conv_descriptor_data_set.
1393 (gfc_conv_descriptor_data_set): New macro.
1394 (gfc_conv_descriptor_data_set_tuples): New macros.
1395 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1396 gfc_conv_descriptor_data_set_tuples.
1397 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1398 Generate GIMPLE_MODIFY_STMT when appropriate.
1399 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1400 (gfc_add_modify_expr): New macro.
1401 (gfc_add_modify_stmt): New macro.
1402 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1404 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1406 * Merge from mainline at revision 118200.
1408 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1410 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1413 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1415 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1417 Also, add __extension__ to GCC versions.
1418 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1419 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1422 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1424 * tree-complex.c (expand_complex_libcall): Adjust for
1426 (expand_complex_comparison): Same.
1427 * tree-pretty-print.c (dump_generic_node): Is_expr should include
1428 GIMPLE_STMT_P statements.
1429 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
1431 (tree_mod_pow2_value_transform): Same.
1432 (tree_mod_subtract_transform): Same.
1433 * tree.c (build2_stat): Check for gimplified function in cfun.
1434 * tree.h (DECL_GIMPLIFIED): Delete.
1435 (struct tree_function_decl): Remove gimplified_flag.
1436 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
1437 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
1438 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
1439 (cxx_omp_clause_copy_ctor): Same.
1440 (cxx_omp_clause_assign_op): Same.
1441 * c-pretty-print.c (pp_c_conditional_expression): Same.
1442 (pp_c_expression): Same.
1443 * langhooks.c (lhd_omp_predetermined_sharing): Same.
1444 * function.h (struct function): Add gimplified field.
1445 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
1447 (find_phi_replacement_condition): Same.
1448 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
1449 (gimplify_modify_expr_to_memset): Same.
1450 (gimplify_init_ctor_eval_range): Same.
1451 (gimplify_modify_expr_complex_part): Same.
1452 (tree_to_gimple_tuple): Same.
1453 (gimplify_modify_expr): Same.
1454 (gimple_push_cleanup): Same.
1455 (gimplify_omp_for): Same.
1456 (gimplify_omp_atomic_pipeline): Same.
1457 (gimplify_omp_atomic_mutex): Same.
1458 (gimplify_expr): Same.
1459 (gimplify_one_sizepos): Same.
1460 (gimplify_function_tree): Same.
1461 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
1462 (vect_recog_widen_sum_pattern): Same.
1463 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
1464 (vect_create_epilog_for_reduction): Same.
1465 (vectorizable_reduction): Same.
1467 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
1469 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
1470 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
1471 (ifc_temp_var): Same.
1472 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
1473 for gimple statements.
1474 (vect_analyze_operations): Same.
1475 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
1476 * gimplify.c (gimplify_return_expr): Handle gimple statements.
1477 * lambda-code.c (can_put_in_inner_loop): Same.
1478 (can_put_after_inner_loop): Same.
1479 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1480 (vect_create_data_ref_ptr): Same.
1481 (vect_init_vector): Same.
1482 (vect_get_vec_def_for_operand): Same.
1483 (vect_create_epilog_for_reduction): Same.
1484 (vectorizable_reduction): Same.
1485 (vectorizable_assignment): Same.
1486 (vectorizable_operation): Same.
1487 (vectorizable_load): Same.
1488 (vectorizable_condition): Same.
1489 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
1490 (rs6000_gimplify_va_arg): Same.
1492 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
1494 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
1495 GIMPLE_STMT_OPERAND.
1496 (simplify_abs_using_ranges): Same.
1497 * tree-complex.c (expand_complex_operations_1): Use
1498 PROTECTED_TREE_OPERAND.
1499 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
1501 (get_val_for): Use GIMPLE_STMT_OPERAND.
1502 * tree-tailcall.c (adjust_accumulator_values): Same.
1503 (adjust_return_value): Same.
1504 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
1505 case. Remove special case for tcc_gimple_stmt.
1506 * tree.h (CAN_HAVE_LOCATION_P): New.
1507 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
1509 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
1510 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
1511 * tree-nrv.c (execute_return_slot_opt): Same.
1512 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
1513 * tree-vn.c (set_value_handle): Same.
1514 (get_value_handle): Same.
1515 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
1516 * tree-vectorizer.c (find_loop_location): Same.
1517 * c-typeck.c (c_process_expr_stmt): Same.
1518 (c_finish_stmt_expr): Same.
1519 * gimplify.c (should_carry_locus_p): Same.
1520 (tree_to_gimple_tuple): Delete definition and use of unecessary
1521 variable save_tree_block.
1522 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
1523 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
1524 (realify_fake_stores): Same.
1525 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
1527 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
1528 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
1529 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
1530 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
1531 (c_parser_statement_after_labels): Same.
1532 (c_parser_paren_condition): Same.
1533 (c_parser_for_statement): Same.
1534 (c_parser_omp_for_loop): Same.
1535 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
1536 (linearize_expr_tree): Same.
1537 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
1538 * function.c (instantiate_expr): Same.
1540 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
1542 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
1543 (set_expr_location): Same.
1545 (set_expr_locus): Same.
1546 (expr_filename): Same.
1547 (expr_lineno): Same.
1548 (tree_block): Use GIMPLE_STMT_BLOCK.
1549 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
1550 * tree.h (struct gimple_stmt): Remove prev and next.
1551 (GIMPLE_STMT_OPERAND_CHECK): New.
1552 (TREE_TO_GIMPLE_STMT): Delete.
1553 (GIMPLE_STMT_TO_TREE): Delete.
1554 (GIMPLE_STMT_OPERAND): Use union, not cast.
1555 (GIMPLE_STMT_LOCUS): New.
1556 (GIMPLE_STMT_BLOCK): New.
1557 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
1559 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1561 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1563 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1565 * tree-tailcall.c (adjust_return_value): Same.
1566 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
1567 (copy_node_stat): Change common.base to base.
1568 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
1569 Remove GIMPLE_STATEMENT_LIST case.
1570 * tree.h (struct gimple_stmt): Make operands of type tree.
1571 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1572 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1573 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1574 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1575 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
1576 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1577 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1578 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
1579 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
1580 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
1581 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1582 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
1583 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
1584 Change common.base to base.
1585 (GIMPLE_STATEMENT_LIST*): Remove.
1586 (union tree_node): Add base. Remove gimple_statement_list.
1587 Remove pointer from gstmt.
1588 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
1589 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
1590 * tree-vn.c (vn_compute): Change common.base to base.
1591 * tree-eh.c (verify_eh_throw_stmt_node): Same.
1592 * tree-flow-inline.h (var_ann): Same.
1593 (function_ann): Same.
1595 (mark_non_addressable): Same.
1596 * gimplify.c (tree_to_gimple_tuple): Same.
1597 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
1598 * tree-dfa.c (create_var_ann): Change common.base to base.
1599 (create_function_ann): Same.
1600 (create_stmt_ann): Same.
1601 (create_tree_ann): Same.
1602 (collect_dfa_stats_r): Same.
1603 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
1604 * tree-ssa-dce.c (NECESSARY): Same.
1605 * tree-ssa.c (delete_tree_ssa): Same.
1606 * tree-optimize.c (execute_free_cfg_annotations): Same.
1607 * tree-flow.h: Same.
1609 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
1611 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
1612 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
1614 * tree.h (struct gimple_stmt): Add prev and next fields.
1615 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
1616 (GIMPLE_STATEMENT_LIST_HEAD): New.
1617 (GIMPLE_STATEMENT_LIST_TAIL): New.
1618 (struct gimple_statement_list): New.
1619 (union tree_node): Add gimple_stmt_list and gstmt.
1620 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
1621 * tree.def: Add GIMPLE_STATEMENT_LIST.
1623 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
1625 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
1626 * tree-vrp.c (build_assert_expr_for): Change uses of
1627 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1628 (find_assert_locations): Same.
1629 (remove_range_assertions): Same.
1630 (stmt_interesting_for_vrp): Same.
1631 (vrp_visit_assignment): Same.
1632 (vrp_visit_stmt): Same.
1633 (simplify_cond_using_ranges): Same.
1634 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
1636 * tree-ssa-loop-im.c (movement_possibility): Change uses of
1637 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1639 (determine_invariantness_stmt): Same.
1640 (schedule_sm): Same.
1641 (gather_mem_refs_stmt): Same.
1642 * tree-complex.c (init_dont_simulate_again): Same.
1643 (complex_visit_stmt): Same.
1644 (set_component_ssa_name): Same.
1645 (expand_complex_move): Same.
1646 (expand_complex_div_wide): Same.
1647 (expand_complex_comparison): Same.
1648 (expand_complex_operations_1): Same.
1649 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
1650 (chain_of_csts_start): Same.
1651 (infer_loop_bounds_from_undefined): Same.
1652 * tree-pretty-print.c (dump_generic_node): Same.
1654 (op_symbol_1): Same.
1655 * tree-ssa-loop-manip.c (create_iv): Same.
1656 * value-prof.c (tree_divmod_fixed_value): Same.
1657 (tree_divmod_fixed_value_transform): Same.
1658 (tree_mod_pow2): Same.
1659 (tree_mod_pow2_value_transform): Same.
1660 (tree_mod_subtract): Same.
1661 (tree_mod_subtract_transform): Same.
1662 (tree_divmod_values_to_profile): Same.
1663 * tree-tailcall.c (process_assignment): Same.
1664 (find_tail_calls): Same.
1665 (adjust_accumulator_values): Same.
1666 (adjust_return_value): Same.
1667 (eliminate_tail_call): Same.
1668 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
1669 (make_node_stat): Same.
1670 (copy_node_stat): Handle gimple tuples.
1671 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
1672 (tree_node_structure): Handle tcc_gimple_stmt.
1673 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
1675 (build2_gimple_stat): New.
1676 (expr_location): New.
1677 (set_expr_location): New.
1678 (expr_has_location): New.
1680 (set_expr_locus): New.
1681 (expr_filename): New.
1683 (walk_tree): Handle tcc_gimple_stmt.
1685 (protected_tree_operand): New.
1686 (protected_tree_type): New.
1687 (tree_code_kind): Add gimple statements.
1688 * tree.h (tree_code_class): Add tcc_gimple_stmt.
1689 (IS_GIMPLE_STMT_CODE_CLASS): New.
1690 (struct tree_base): New.
1691 (struct tree_common): Shrink.
1692 (struct gimple_stmt): New.
1693 (struct gimple_expr): New.
1694 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1695 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1696 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1697 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1698 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
1699 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1700 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1701 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
1702 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
1703 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
1704 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
1705 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1706 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
1707 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
1708 Adjust for new `common' layout.
1709 (struct tree_function_decl): Add gimplified_flag.
1710 (DECL_GIMPLIFIED): NEW.
1711 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
1712 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
1713 EXPR_HAS_LOCATION): Call corresponding function.
1714 (GIMPLE_STMT_CHECK): New.
1715 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
1716 (TREE_BLOCK): Call tree_block.
1717 (GIMPLE_STMT_P): New.
1718 (GIMPLE_TUPLE_P): New.
1719 (TREE_TO_GIMPLE_STMT): New.
1720 (GIMPLE_STMT_TO_TREE): New.
1721 (GIMPLE_STMT_OPERAND): New.
1722 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
1723 (PROTECTED_TREE_OPERAND): New.
1724 (PROTECTED_TREE_TYPE): New.
1725 (build2_gimple_stat): Protoize.
1726 (build2_gimple): New.
1727 (expr_location): Protoize.
1728 (set_expr_location): Protoize.
1729 (expr_has_location): Protoize.
1730 (expr_locus): Protoize.
1731 (set_expr_locus): Protoize.
1732 (expr_filename): Protoize.
1733 (expr_lineno): Protoize.
1734 (tree_block): Protoize.
1735 (protected_tree_operand): Protoize.
1736 (protected_tree_type): Protoize.
1737 (enum tree_node_kind): Add gimple_stmt_kind.
1738 * c-decl.c (union lang_tree_node): Tuples do not have a
1740 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
1741 GIMPLE_MODIFY_STMT and adjust accordingly.
1742 * tree-scalar-evolution.c (follow_ssa_edge): Same.
1743 (interpret_condition_phi): Same.
1744 (pointer_used_p): Same.
1745 (analyze_scalar_evolution_1): Same.
1746 (scev_const_prop): Same.
1747 (interpret_rhs_modify_stmt): Rename from
1748 interpret_rhs_modify_expr.
1749 * builtins.c (std_expand_builtin_va_start): Change uses of
1750 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1751 (std_gimplify_va_arg_expr): Same.
1752 (expand_builtin_va_copy): Same.
1753 (integer_valued_real_p): Same.
1754 * fold-const.c (maybe_lvalue_p): Same.
1756 (tree_expr_nonnegative_p): Same.
1757 (tree_expr_nonzero_p): Same.
1758 * omp-low.c (extract_omp_for_data): Same.
1759 (lower_rec_input_clauses): Same.
1760 (lower_reduction_clauses): Same.
1761 (lower_copyprivate_clauses): Same.
1762 (lower_send_clauses): Same.
1763 (lower_send_shared_vars): Same.
1764 (expand_parallel_call): Same.
1765 (expand_omp_parallel): Same.
1766 (expand_omp_for_generic): Same.
1767 (expand_omp_for_static_nochunk): Same.
1768 (expand_omp_for_static_chunk): Same.
1769 (expand_omp_sections): Same.
1770 (lower_omp_single_copy): Same.
1771 (lower_omp_parallel): Same.
1772 * tree-ssa-dse.c (memory_address_same): Same.
1773 (dse_optimize_stmt): Same.
1774 * ipa-reference.c (scan_for_static_refs): Same.
1775 * tree-gimple.c (is_gimple_reg_rhs): Same.
1776 (get_call_expr_in): Same.
1777 (recalculate_side_effects): Same.
1778 * cgraphunit.c (cgraph_create_edges): Same.
1779 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
1780 * tree-ssa-ccp.c (get_default_value): Same.
1781 (likely_value): Same.
1782 (visit_assignment): Same.
1783 (ccp_visit_stmt): Same.
1784 (get_maxval_strlen): Same.
1785 (ccp_fold_builtin): Same.
1786 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
1787 (find_givs_in_stmt): Same.
1788 (find_interesting_uses_op): Same.
1789 (find_interesting_uses_stmt): Same.
1790 (rewrite_use_nonlinear_expr): Same.
1791 * ipa-pure-const.c (scan_function): Same.
1792 * tree-stdarg.c (va_list_counter_bump): Same.
1793 (check_all_va_list_escapes): Same.
1794 (execute_optimize_stdarg): Same.
1795 * tree-ssa-math-opts.c (compute_merit): Same.
1796 (insert_reciprocals): Same.
1797 (execute_cse_reciprocals): Same.
1798 * tree-ssa-dom.c (initialize_hash_element): Same.
1799 (simple_iv_increment_p): Same.
1800 (record_equivalences_from_stmt): Same.
1801 (optimize_stmt): Same.
1802 (remove_stmt_or_phi): Same.
1803 (get_rhs_or_phi_arg): Same.
1804 (get_lhs_or_phi_result): Same.
1805 (propagate_rhs_into_lhs): Same.
1806 * tree-nrv.c (tree_nrv): Same.
1807 (execute_return_slot_opt): Same.
1808 * tree-ssa-propagate.c (get_rhs): Same.
1810 (stmt_makes_single_load): Same.
1811 (stmt_makes_single_store): Same.
1812 (replace_vuses_in): Same.
1813 (fold_predicate_in): Same.
1814 (substitute_and_fold): Same.
1815 * tree-ssa-alias.c (compute_call_clobbered): Same.
1816 (recalculate_used_alone): Same.
1817 (count_uses_and_derefs): Same.
1818 (is_escape_site): Same.
1819 (find_used_portions): Same.
1820 * gimple-low.c (lower_stmt): Same.
1821 (block_may_fallthru): Same.
1822 (lower_return_expr): Same.
1823 * tree-ssa-sink.c (is_hidden_global_store): Same.
1824 (statement_sink_location): Same.
1825 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
1826 * expr.c (safe_from_p): Same.
1827 (expand_expr_real): Same.
1828 (expand_expr_real_1): Same.
1829 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
1830 * predict.c (expr_expected_value): Same.
1831 (strip_builtin_expect): Same.
1832 (apply_return_prediction): Same.
1833 (tree_bb_level_predictions): Same.
1834 (tree_estimate_probability): Same.
1835 * tree-vn.c (vn_compute): Same.
1836 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
1837 (remove_stmt_from_eh_region_fn): Same.
1838 (do_return_redirection): Same.
1839 (honor_protect_cleanup_actions): Same.
1840 (lower_try_finally_switch): Same.
1841 (lower_eh_constructs_1): Same.
1842 (tree_could_throw_p): Same.
1843 (verify_eh_throw_stmt_node): Same.
1844 * function.c (gimplify_parameters): Same.
1845 * tree-vectorizer.c (vect_is_simple_use): Same.
1846 (vect_is_simple_reduction): Same.
1847 * ipa-type-escape.c (scan_for_refs): Same.
1848 * tree-if-conv.c (tree_if_conversion): Same.
1849 (tree_if_convert_stmt): Same.
1850 (if_convertible_gimplify_modify_stmt_p): Rename from
1851 if_convertible_modify_expr_p.
1852 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
1853 (ifc_temp_var): Same.
1854 (replace_phi_with_cond_modify_stmt): Rename from
1855 replace_phi_with_cond_modify_expr.
1856 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
1857 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
1858 * tree-data-ref.c (find_data_references_in_loop): Adjust for
1860 * tree-flow-inline.h (var_ann): Same.
1861 (function_ann): Same.
1863 (mark_non_addressable): Same.
1864 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
1865 * gimplify.c (tree_to_gimple_tuple): New.
1866 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
1867 (gimplify_return_expr): Same.
1868 (gimplify_decl_expr): Same.
1869 (gimplify_self_mod_expr): Same.
1870 (gimplify_cond_expr): Same.
1871 (gimplify_init_constructor): Same.
1872 (gimplify_modify_expr): Same.
1873 (gimplify_expr): Same.
1874 (gimplify_function_tree): Same.
1875 (force_gimple_operand): Same.
1876 * tree-ssa-phiopt.c (conditional_replacement): Same.
1877 (minmax_replacement): Same.
1878 (abs_replacement): Same.
1879 * tree-dfa.c (create_var_ann): Same.
1880 (create_function_ann): Same.
1881 (create_stmt_ann): Same.
1882 (create_tree_ann): Same.
1883 (collect_dfa_stats_r): Same.
1884 * tree-ssa-pre.c (find_or_generate_expression): Same.
1885 (create_expression_by_pieces): Same.
1886 (try_look_through_load): Same.
1887 (insert_fake_stores): Same.
1888 (realify_fake_stores): Same.
1889 (compute_avail): Same.
1892 (poolify_modify_stmt): Rename from poolify_modify_stmt.
1893 Adjust for GIMPLE_MODIFY_STMT.
1894 (NECESSARY): Adjust for new `common' layout.
1895 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
1897 * tree-sra.c (sra_walk_modify_stmt): Rename from
1898 sra_walk_modify_expr.
1899 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
1900 (generate_copy_inout): Same.
1901 (generate_element_copy): Same.
1902 (generate_element_zero): Same.
1903 (scalarize_copy): Same.
1904 * tree-mudflap.c (mf_decl_cache_locals): Same.
1905 (mf_build_check_statement_for): Same.
1906 (mf_xform_derefs): Same.
1907 * ipa-prop.c (ipa_method_modify_stmt): Same.
1908 * print-tree.c (print_node): Handle gimple tuples.
1909 Add case for tcc_gimple_stmt.
1910 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
1912 (copy_prop_visit_assignment): Same.
1913 (copy_prop_visit_stmt): Same.
1914 (init_copy_prop): Same.
1915 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
1916 (forward_propagate_into_cond_1): Same.
1917 (find_equivalent_equality_comparison): Same.
1918 (tidy_after_forward_propagate_addr): Same.
1919 (forward_propagate_addr_expr_1): Same.
1920 (simplify_not_neg_expr): Same.
1921 (simplify_switch_expr): Same.
1922 * tree-ssa-dce.c (find_pdom): Same.
1923 (mark_stmt_if_obviously_necessary): Same.
1924 (NECESSARY): Adjust for new `common' layout.
1925 * tree-flow.h: Same.
1926 * tree-vect-patterns.c (widened_name_p): Adjust for
1928 (vect_recog_dot_prod_pattern): Same.
1929 (vect_recog_widen_sum_pattern): Same.
1930 (vect_pattern_recog_1): Same.
1931 * tree-nested.c (init_tmp_var): Same.
1932 (save_tmp_var): Same.
1934 (convert_call_expr): Same.
1935 (finalize_nesting_tree_1): Same.
1936 * tree-ssa.c (verify_ssa): Same.
1937 (delete_tree_ssa): Same.
1938 * lambda-code.c (lbv_to_gcc_expression): Same.
1939 (lle_to_gcc_expression): Same.
1940 (lambda_loopnest_to_gcc_loopnest): Same.
1941 (can_put_in_inner_loop): Same.
1942 (can_convert_to_perfect_nest): Same.
1943 (perfect_nestify): Same.
1944 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
1945 * tree-inline.c (copy_body_r): Same.
1946 (setup_one_parameter): Same.
1947 (initialize_inlined_parameters): Same.
1948 (estimate_num_insns_1): Same.
1949 (expand_call_inline): Same.
1950 (gimple_expand_calls_inline): Same.
1951 (copy_tree_r): Same.
1952 * tree-optimize.c (execute_free_cfg_annotations): Same.
1953 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1954 (vect_align_data_ref): Same.
1955 (vect_create_data_ref_ptr): Same.
1956 (vect_init_vector): Same.
1957 (vect_create_epilog_for_reduction): Same.
1958 (vectorizable_reduction): Same.
1959 (vectorizable_assignment): Same.
1960 (vectorizable_operation): Same.
1961 (vectorizable_store): Same.
1962 (vectorizable_load): Same.
1963 (vectorizable_live_operation): Same.
1964 (vectorizable_condition): Same.
1965 (vect_generate_tmps_on_preheader): Same.
1966 (vect_create_cond_for_align_checks): Same.
1967 * tree-object-size.c (collect_object_sizes_for): Same.
1968 (check_for_plus_in_loops_1): Same.
1969 (check_for_plus_in_loops): Same.
1970 * tree-outof-ssa.c (insert_copy_on_edge): Same.
1971 (replace_use_variable): Same.
1972 (check_replaceable): Same.
1973 (rewrite_trees): Same.
1974 (identical_copies_p): Same.
1975 (insert_backedge_copies): Same.
1976 * tree-profile.c (tree_gen_edge_profiler): Same.
1977 * tree-vect-generic.c (expand_vector_operations_1): Same.
1978 * tree-ssa-structalias.c (update_alias_info): Same.
1979 (find_func_aliases): Same.
1980 * tree-cfg.c (factor_computed_gotos): Same.
1982 (make_goto_expr_edges): Same.
1983 (tree_merge_blocks): Same.
1984 (remove_useless_stmts_cond): Same.
1985 (remove_useless_stmts_1): Same.
1986 (tree_find_edge_insert_loc): Same.
1987 (verify_expr): Same.
1988 (gimplify_val): Same.
1989 (verify_gimple_tuples_1): New.
1990 (verify_gimple_tuples): New.
1991 (verify_stmts): Call verify_gimple_tuples.
1992 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
1993 (get_unary_op): Same.
1994 (linearize_expr): Same.
1995 (get_single_immediate_use): Same.
1996 (negate_value): Same.
1997 (should_break_up_subtract): Same.
1998 (break_up_subtract): Same.
1999 (repropagate_negates): Same.
2000 (break_up_subtract_bb): Same.
2001 (reassociate_bb): Same.
2002 * config/i386/i386.c (ix86_va_start): Same.
2003 (ix86_gimplify_va_arg): Same.
2004 * stmt.c (expand_expr_stmt): Same.
2005 (warn_if_unused_value): Same.
2006 (expand_return): Same.
2007 * tree-ssanames.c (make_ssa_name): Same.
2008 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2009 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2010 (add_virtual_operand): Same.
2011 (get_expr_operands): Same.
2012 (parse_ssa_operands): Same.
2013 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2015 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2017 * config.host: Remove extra blank line.
2019 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2021 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2022 target is also an x86 variant.
2024 2006-12-05 Richard Guenther <rguenther@suse.de>
2026 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2027 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2028 (ix86_builtin_vectorized_function): New function to vectorize
2031 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2033 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2034 ia64_override_options.
2036 2006-12-04 Jan Hubicka <jh@suse.cz>
2038 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2041 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2043 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2044 * config/bfin/bfin.c: Include "timevar.h".
2045 (bfin_flag_schedule_insns2, splitting_for_sched,
2046 bfin_flag_var_tracking): New variables.
2047 (print_operand): Handle '%!'.
2048 (override_options): Disable normal sched2 pass, instead set
2049 bfin_flag_schedule_insns2 for reorg to handle it.
2050 (output_file_start): Likewise for var-tracking.
2051 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2052 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2054 (bfin_reorg): Do second scheduling pass here, and call
2055 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2056 of examining insns directly. If bfin_flag_var_tracking, call
2057 var-tracking pass when done with everything else.
2058 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2059 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2060 (movsi_insn32): New pattern, with two new splits to create it
2061 before the final scheduling pass.
2062 (neghi2): Not a dsp32 insn, rather alu0.
2063 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2064 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2065 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2066 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2067 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2068 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2069 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2070 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2071 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2072 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2073 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2074 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2075 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2076 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2077 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2078 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2079 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2080 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2081 variants instead of ';'.
2082 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2083 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2084 (align8, align16, align24): Now named patterns; also using '%!'.
2087 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2089 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2090 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2092 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2094 * config/spu/spu-protos.c (spu_split_address): Add.
2095 * config/spu/spu.c (spu_split_address): Add.
2096 (print_operand): Handle HIGH.
2097 (spu_legitimate_address): Don't test for aligned CONST.
2098 (spu_expand_mov): Don't split addresses here.
2099 * config/spu/constraints.md (A): Don't test legitimate_const.
2100 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2101 (ceq_di): Use correct predicates.
2103 2006-12-04 Eric Christopher <echristo@apple.com>
2105 * config/darwin.h: Update copyright notice.
2106 * config/i386/darwin.h: Ditto.
2108 2006-12-04 Jan Hubicka <jh@suse.cz>
2110 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2111 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2113 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2115 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2117 * tree-ssa-structalias.c (set_used_smts): Export.
2118 (find_what_p_points_to): Don't call set_used_smts here.
2119 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2121 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2123 * tree-ssa-alias.c (compute_may_aliases):
2124 Compute flow sensitive before flow insensitive.
2125 (compute_flow_sensitive_aliasing): Don't try to add
2126 a symbol memory tag to itself.
2128 * alias.h (alias_set_subset_of): New prototype.
2130 * alias.c (alias_set_subset_of): New function.
2132 * tree-ssa-structalias.c: Update comments.
2133 (struct variable_info): Add finished_solution.
2134 (new_varinfo): Set finished solution to NULL.
2135 (var_escaped_vars): Remove.
2136 (escaped_vars_tree): Remove.
2137 (escaped_vars_id): Remove.
2138 (nonlocal_vars_id): Remove.
2139 (constraint_expr_type): Add INCLUDES.
2140 (graph_size): Removed.
2141 (dump_constraint): Support INCLUDES.
2142 (build_constraint_graph): Ditto.
2143 (collapse_nodes): Add merge_solutions argument.
2144 Don't merge attributes.
2145 (process_unification_queue): Just use collapse_nodes.
2146 (perform_var_substitution): Update call to collapse_nodes.
2147 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2148 (process_constraint): Fix non-field sensitive handling
2150 (get_constraint_for): Use INCLUDES.
2151 (make_constraint_from_anything): Renamed from
2152 make_constraint_from_escaped.
2153 (make_constraint_to_escaped): Removed.
2154 (find_global_initializers): Removed.
2155 (create_variable_info_for): Do not make constraints to escaped
2157 (dump_solution_for_var): Don't print out the equivalent points-to
2158 sets, just use the name of the variable it shares it with.
2159 (intra_create_variable_infos): Use INCLUDES.
2160 Change nonlocal variable sets to anything sets.
2161 (init_base_vars): Remove escaped_vars and nonlocal_var
2163 (find_escape_constraints): Removed.
2164 (delete_points_to_sets): Remove dead code.
2165 (used_smt_calculated): New variable.
2166 (set_used_smts): New function.
2167 (merge_smts_into): New function.
2168 (find_what_p_points_to): Modify to use SMTs.
2169 (create_nonlocal_var): Remove.
2171 * tree-ssa-operands.c (access_can_touch_variable): Remove
2172 reference to nonlocal_all.
2174 * tree-ssa.c (verify_name_tags): Remove.
2176 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2178 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2179 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2181 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2183 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2184 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2185 (add_livein_if_notdef): Delete.
2186 (loe_visit_block): New. Propogate live on entry info for a block into
2187 each predecessor. If it changes, make sure it is visited again.
2188 (live_worklist): Visit every block and update the live on entry info
2189 for preds. Iterate over any that changed.
2190 (set_var_live_on_entry): Populate the live on entry blocks with bits
2191 based on the immediate uses of a var.
2192 (calculate_live_on_entry): Remove.
2193 (calculate_live_on_exit): Calculate live on exit based on the newly
2194 oriented live on entry bits.
2195 (calculate_live_ranges): Build live on entry and exit vectors.
2196 (dump_live_info): Use new orientation of live on entry bitmaps.
2197 (verify_live_on_entry): New. Split out verification code from old
2198 calculate_live_on_entry routine.
2199 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2200 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2201 basic_block instead of for a partition.
2202 (live_merge_and_clear): Add asserts.
2203 (make_live_on_entry): Set partition bit in basic block vector.
2205 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2208 * omp-low.c (expand_omp_for_static_nochunk,
2209 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2213 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2214 parallels if region->exit or region->inner->exit is NULL.
2215 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2217 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2218 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2219 or region->exit is NULL.
2220 (expand_omp_sections): Handle NULL region->cond or region->exit.
2223 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2225 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2226 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2228 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2230 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2231 TYPE_MAX_VALUE for scalar types here but...
2232 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2233 is attached an error mark, and the return value of the callback
2234 if it is not NULL_TREE.
2236 2006-12-04 Ben Elliston <bje@au.ibm.com>
2238 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2240 2006-12-03 Eric Christopher <echristo@apple.com>
2243 * config/t-slibgcc-darwin: Pass -install_name.
2244 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2245 libtool. Only pass through options that the linker recognizes.
2246 (LINK_SPEC): Update comment. Translate options.
2247 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2248 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2250 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2252 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2254 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2257 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2258 operands[1] in insn constraint. Correct type attribute to sselog1.
2260 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2263 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2265 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2266 processor detection.
2268 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2269 -march=native if there is no -mtune=*.
2271 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2274 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2276 * doc/install.texi: Update recommended MPFR version. Remove
2277 obsolete reference to cumulative patch.
2279 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2282 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2284 2006-11-30 Jan Hubicka <jh@suse.cz>
2285 Uros Bizjak <ubizjak@gmail.com>
2287 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2288 32bit memcpy/memset decriptors.
2289 (decide_alg): With -minline-all-stringops and sizes that are best
2290 to be copied via libcall still work hard enough to pick non-libcall
2293 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2295 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2297 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2298 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2299 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2300 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2301 config/spu/spu-c.c, config/spu/spu-modes.def,
2302 config/spu/spu.c, config/spu/spu.md,
2303 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2304 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2305 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2306 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2307 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2308 spelling conventions.
2310 * config/i386/i386.c: Fix a comment typo.
2312 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2314 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2315 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2316 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2317 better optimization.
2318 (floatv4siv4sf2): New.
2319 (fix_truncv4sfv4si2): New.
2320 (floatunsv4siv4sf2): New.
2321 (fixuns_truncv4sfv4si2): New.
2329 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2330 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2331 spu_resolve_overloaded_builtin instead of static inline functions.
2333 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2335 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2336 type instead of the size of its mode to compute the highest and
2337 lowest possible values. Still check the size of the mode before
2338 flipping the signedness of the comparison.
2340 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2342 * config/spu/predicates.md (spu_mov_operand): Add.
2343 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2344 (print_operand_address, print_operand): Handle addresses containing AND.
2345 (spu_split_load, spu_split_store): Use updated movti pattern.
2346 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2347 stores in mov patterns for correct operation of reload.
2348 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2350 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2353 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2355 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2357 * common.opt (ftree-combine-temps): Remove.
2358 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2359 (coalesce_ssa_name): Don't check for combine-temps.
2360 (coalesce_vars): Remove.
2361 (check_replaceable): Use num_imm_uses.
2362 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2363 check for combine-temps.
2364 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2365 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2366 to register_ssa_partition calls.
2367 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2368 (init_var_map, delete_var_map): remove refernces to ref_count.
2369 (create_ssa_var_map): Never calculate a ref count.
2370 (type_var_init): Remove.
2371 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2372 (SSA_VAR_MAP_REF_COUNT): Delete.
2373 (create_ssa_var_map): Change Prototype to have no parameters.
2374 (version_ref_count): Delete.
2375 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2377 (type_var_num, type_var, type_var_first_partition,
2378 type_var_next_partition, type_var_dump, type_var_delete,
2379 type_var_remove_partition, type_var_find, type_var_compact,
2380 type_var_decompact): Remove.
2382 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2384 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2387 2006-12-01 Richard Guenther <rguenther@suse.de>
2390 * dwarf2out.c (struct pubname_struct): Make name const.
2391 (add_pubtype): Do not xstrdup identifiers.
2393 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2395 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2396 multiword accesses are in range.
2398 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2400 PR tree-optimization/29921
2401 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2402 (set_lattice_value): Use canonicalize_float_value.
2404 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2406 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2407 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2408 (spu_cpu_cpp_builtins): Remove.
2409 (spu_override_options): Don't set warn_main.
2410 (spu_force_reg): Move from spu-c.c.
2411 (spu_check_builtin_parm): Likewise.
2412 (expand_builtin_args): Likewise.
2413 (spu_expand_builtin_1): Likewise.
2414 (spu_expand_builtin): Likewise.
2415 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2416 warn_main and targetm.resolve_overloaded_builtin.
2417 * config/spu/spu-c.c (spu_builtin_range): Remove.
2418 (spu_check_builtin_parm): Remove.
2419 (expand_builtin_args): Remove.
2420 (spu_expand_builtin_1): Remove.
2421 (spu_expand_builtin): Remove.
2422 (spu_cpu_cpp_builtins): Moved from spu.c
2423 (spu_force_reg): Remove.
2425 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2426 David Edelsohn <edelsohn@gnu.org>
2429 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
2430 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
2431 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
2432 HARD_REGNO_NREGS_WITH_PADDING): Define.
2433 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
2434 HARD_REGNO_NREGS_WITH_PADDING): Define.
2435 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
2436 Use new macros to detect modes with holes; do not look at integer
2438 (subreg_offset_representable_p): Check for and disallow cases
2439 where the modes use different numbers of bits from registers.
2440 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
2441 constant for soft-float.
2442 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
2444 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
2445 in E500 double case.
2446 * config/rs6000/rs6000.md (movtf): Allow soft-float.
2447 (movtf_softfloat): New.
2449 2006-11-30 Richard Sandiford <richard@codesourcery.com>
2451 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
2452 simplify_gen_subreg.
2454 2006-11-30 Andrew Macleod <amacleod@redhat.com>
2456 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
2457 (COALESCE_HASH_FN): New. Define hash function.
2458 (partition_pair_map_hash): New. Hash value for a partition pair.
2459 (partition_pair_map_eq): New. Equality for hash pairs.
2460 (create_coalesce_list): Create hash table.
2461 (delete_coalesce_list): Free hash table.
2462 (find_partition_pair): Find/create pairs in hash table.
2463 (compare_pairs): Sort pairs in ascending order now.
2464 (num_coalesce_pairs): New. Number of pairs in hash table.
2465 (struct partition_pair_iterator): Iterator struct for pair table.
2466 (first_partition_pair): Iterator function for first pair.
2467 (end_partition_pair_p): Iterator function for end of iteration.
2468 (next_partition_pair): Iterator function for next pair.
2469 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
2470 (sort_coalesce_list): Sort pairs from hash table into an array.
2471 (pop_best_coalesce): Take pairs from the array.
2472 (dump_coalesce_list): Update to use hash table or sorted array.
2473 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
2474 (struct coalesce_list_d): Add hash table related fields.
2476 2006-11-30 Jan Hubicka <jh@suse.cz>
2479 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
2480 memmove/bcopy->memcpy conversion.
2482 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
2484 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
2485 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
2486 Default is the largest alignment supported for 32-bit ELF and
2487 representable on a 32-bit host.
2489 2006-11-30 Janis Johnson <janis187@us.ibm.com>
2491 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
2493 2006-11-30 Jan Hubicka <jh@suse.cz>
2495 * tree-ssa-operands.h (struct ssa_operands): New.
2496 * tree-flow-inline.h (gimple_ssa_operands): New function.
2497 * tree-flow.h: (struct gimple_df): Add ssa_operands.
2498 * Makefile.in: Remove gt-tree-ssa-operands.h
2499 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
2500 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
2501 operand_memory, operand_memory_index, ops_active): Remove statics.
2502 (ALLOC_OPTYPE): Update.
2503 (operand_build_sort_virtual): Update.
2504 (ssa_operands_active): Update.
2505 (init_ssa_operands): Update.
2506 (fini_ssa_operands): Update.
2507 (ssa_operand_alloc): Update.
2508 (INITIALIZE_USE): Update.
2509 (finalize_ssa_use_ops): Update.
2510 (finalize_ssa_v_may_def_ops): Update.
2511 (finalize_ssa_vuse_ops): Update.
2512 (finalize_ssa_v_must_def_ops): Update.
2514 2006-11-30 Richard Guenther <rguenther@suse.de>
2516 * tree-vectorizer.h (vectorizable_function): Export.
2517 * tree-vect-transform.c (vectorizable_function): Likewise.
2518 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
2519 type_in to scalar type in recognition of squaring.
2520 Make sure the target can vectorize sqrt in recognition
2521 of sqrt, set type_in to vector type in this case.
2523 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2525 * config/i386/i386.md (R10_REG): New constant.
2526 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
2527 (ix86_emit_restore_regs_using_mov): Ditto.
2528 (ix86_expand_call): Ditto.
2529 (x86_output_mi_thunk): Ditto. Also use R10_REG.
2531 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2533 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
2534 * alias.c (canon_true_dependence): Update comment.
2536 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2538 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
2539 at the end of a diagnostics message.
2541 * alloc-pool.c (pool_free): Postpone clearing the pool entry
2542 until after asserting that it was allocated in the right pool.
2544 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
2545 successor edge information as well. Make output of live regs
2546 on exit consistent with live regs on entry.
2548 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2551 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
2552 insn patterns for TARGET_80387.
2553 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
2554 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
2555 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
2556 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
2557 Generate truncxf<mode>2 insn patterns for strict SSE math.
2559 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2561 * config/i386/i386.md (movsf_1): Enable pattern for standard
2562 80387 constants before reload when optimizing for size.
2563 (*movdf_nointeger, *movdf_integer): Ditto.
2564 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2565 80387 constants before reload when not optimizing for size.
2567 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
2568 extension of XFmode input operands.
2570 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2572 * config/spu/crt0.c (__dso_handle): Define.
2574 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
2576 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
2577 when clearing the used flags.
2579 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2581 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
2583 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2586 * config/spu/spu.md (extend_compare<mode>): New pattern.
2587 (extend_compare): Change to expand and use the above pattern.
2589 2006-11-29 Janis Johnson <janis187@us.ibm.com>
2591 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
2593 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
2594 (DFP_INIT_ROUNDMODE): Define.
2595 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
2596 * mklibgcc.in: Fix dependencies for dfp-bit.c.
2598 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
2600 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
2601 Update documentation.
2602 (associate_line_notes_with_blocks): Kill.
2603 (extend_bb): Remove basic block argument, put void instead.
2604 Remove line number handling for each bb.
2605 (save_line_notes): Kill.
2606 (restore_line_notes): Kill.
2607 (sched_init): Remove line_note_head initialization.
2608 Change extend_bb call.
2609 (sched_finish): Remove free of line_note_head.
2610 (add_block): Change extend_bb call.
2611 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
2612 rm_line_notes and restore_line_notes calls.
2613 (schedule_ebbs): Remove rm_redundant_line_notes.
2614 * sched-int.h (struct haifa_insn_data): Remove line_note.
2615 (save_line_notes): Remove declaration.
2616 (restore_line_notes): Remove declaration.
2617 * modulo-sched.c (loop_canon_p): Update debug info printing
2618 by using insn locators instead of line note.
2619 (sms_schedule): Update debug info printing, by using insn
2620 locators instead of line note.
2621 * sched-rgn.c (debug_dependencies): Remove handling of case
2622 n>0 (line number), since it's a dead code.
2623 (schedule_region): Remove save_line_notes and
2624 restore_line_notes calls.
2626 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2628 * config/rs6000/predicates.md (gpc_reg_operand): Check
2629 invalid_e500_subreg.
2630 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
2631 SImode subregs of SPE vectors.
2632 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
2633 * jump.c (true_regnum): Require subregs to satisfy
2634 subreg_offset_representable_p.
2636 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
2637 Steven Bosscher <stevenb.gcc@gmail.com>
2639 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
2640 since it no longer exists.
2642 2006-11-29 Duncan Sands <baldrick@free.fr>
2644 PR tree-optimization/23744
2645 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
2647 2006-11-29 Duncan Sands <baldrick@free.fr>
2649 PR tree-optimization/23744
2650 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
2652 2006-11-29 Duncan Sands <baldrick@free.fr>
2654 PR tree-optimization/23744
2655 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
2657 2006-11-29 Jie Zhang <jie.zhang@analog.com>
2659 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
2661 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
2663 * sh.opt (minline-ic_invalidate): New option.
2664 (musermode): Adjust comment.
2665 * sh.c (sh_initialize_trampoline): Emit library call unless
2666 is set; if it is set, don't emit library call if we can use icbi
2668 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
2669 icbi for TARGET_SH4_300.
2670 * t-sh (LIB1ASMFUNCS_CACHE): Set.
2671 * doc/invoke.texi: Document -minline-ic_invalidate; Update
2672 -musermode documentation.
2674 2006-11-29 Jim Tison <jtison@us.ibm.com>
2676 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
2677 __gthread_recursive_mutex_init): Define.
2679 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2681 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
2682 STRICT_ALIGNMENT and the type is more aligned than the saved
2683 registers, copy via a temporary.
2685 2006-11-28 Andrew Pinski <pinskia@gmail.com>
2688 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
2691 2006-11-28 Bob Wilson <bob.wilson@acm.org>
2693 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
2695 2006-11-28 Jan Hubicka <jh@suse.cz>
2697 Privatize SSA variables into gimple_df.
2698 * tree-flow-inline.h
2699 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
2700 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
2701 gimple_nonlocal_all): New accessors.
2702 (first_referenced_var): Update.
2703 (mark_stmt_modified): Update.
2704 (is_call_clobbered): Update.
2705 (mark_call_clobbered): Update.
2706 (clear_call_clobbered): Update.
2707 (mark_non_addressable): Update.
2708 * tree-vrp.c (get_value_range): Update.
2709 * tree-into-ssa.c (in_ssa_p): Kill.
2710 (get_default_def_for): Update.
2711 (rewrite_into_ssa): Update.
2712 * tree-complex.c (init_parameter_lattice_values): Update.
2713 (update_complex_assignment): Update.
2714 (update_parameter_components): Update.
2715 (expand_complex_libcall): Update.
2716 (expand_complex_operations_1): Update.
2717 * tree-tailcall.c (arg_needs_copy_p): Update.
2718 (add_virtual_phis): Update.
2719 (tree_optimize_tail_calls_1): Update.
2720 * tree-ssa-dse.c (memory_ssa_name_same): Update.
2721 * tree-ssa-copyrename.c
2722 (copy_rename_partition_coalesce): Update.
2723 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
2724 * tree-ssa-propagate.c (set_rhs): Update.
2725 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
2726 addressable_vars, global_var):Kill.
2727 (set_initial_properties): Update.
2728 (init_alias_info): Update.
2729 (finalize_ref_all_pointers): Update.
2730 (setup_pointers_and_addressables): Update.
2731 (maybe_create_global_var): Update.
2732 (create_global_var): Update.
2733 (dump_points_to_info): Update.
2734 * function.h (struct gimple_df): Forward declare.
2735 (struct function): Add GIMPLE_DF field.
2736 * gimplify.c (force_gimple_operand): Update.
2737 * tree-dfa.c (referenced_vars, default_defs): KIll.
2738 (make_rename_temp): Update.
2739 (dump_variable): Update.
2740 (referenced_var_lookup): Update.
2741 (referenced_var_check_and_insert): Update.
2742 (default_def): Rename to ...
2743 (gimple_default_def): ... this one; accept cfun argument.
2744 (set_default_def): Update.
2745 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
2746 (cleanup_control_flow): Update.
2747 * tree-ssa-pre.c (compute_avail): Update
2748 * tree-ssa-live.c (calculate_live_on_entry): Update.
2749 * tree-ssa.c (verify_use): Update.
2750 (verify_call_clobbering): Update.
2751 (verify_call_clobbering): Update.
2752 (init_tree_ssa): Update.
2753 (delete_tree_ssa): Update.
2754 * tree-outof-ssa.c (coalesce_ssa_name): Update.
2755 (rewrite_out_of_ssa): Update.
2756 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
2757 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
2759 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
2760 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
2761 addressable_vars, aliases_computed_p): Kill.
2762 (default_def): Rename to...
2763 (gimple_default_def): ... this one.
2764 (defaule_def_fn): Kill.
2765 (num_referenced_vars, ssa_names, num_ssa_names): Update.
2766 * tree-ssa-structalias.c (nonlocal_all): Kill.
2767 (get_constraint_exp_from_ssa_var): Update.
2768 (create_nonlocal_var): Update.
2769 (get_constraint_for): Update.
2770 (update_alias_info): Update.
2771 (find_global_initializers): Update.
2772 (intra_create_variable_infos): Update.
2773 (intra_create_variable_infos):
2774 (find_what_p_points_to): Update.
2775 (init_alias_heapvars): Update.
2776 * tree-cfg.c (remove_bb): Update.
2777 (gimplify_val): Update.
2778 * tree-ssa-reassoc.c (get_rank): Update.
2779 (init_reassoc): Update.
2780 * tree-ssanames.c: Do not include gt-tree-ssanames.h
2781 (ssa_names, free_ssanames): Kill.
2782 (init_ssanames): Update.
2783 (make_ssa_name): Update.
2784 (release_ssa_name): Update.
2785 (release_defs): Update.
2786 (replace_ssa_name_symbol): Update.
2787 * tree-ssa-operands.c (access_can_touch_variable): Update.
2788 (add_virtual_operand): Update.
2789 (add_call_clobber_ops): Update.
2790 (add_call_read_ops): Update.
2791 (get_call_expr_operands): Update.
2792 (get_asm_expr_operands): Update.
2794 2006-11-28 Jan Hubicka <jh@suse.cz>
2796 * builtins.c: Include tree-flow.h.
2797 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
2798 assignment; convert memmove to memcpy for sizes greater than 1 where
2799 alignment of operands prohibit the partial overlap.
2801 2006-11-28 Jan Hubicka <jh@suse.cz>
2803 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
2804 * cgraph.c (dump_cgraph_node): Dump stack usage.
2805 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
2806 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
2807 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
2808 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
2809 (cgraph_check_inline_limits): Limit stack growth.
2810 * cfgexpand.c: Include tree-inline.h.
2811 (account_stack_vars): New function.
2812 (expand_one_var): New param to just account the stack; return estimated
2814 (expand_used_vars_for_block): Update call of expand_one_var.
2815 (account_used_vars_for_block): New function.
2816 (estimated_stack_frame_size): Likewise.
2817 (init_vars_expansion, fini_vars_expansion): Break out from..
2818 (expand_used_vars): ... here.
2819 * tree-inline.h (estimated_stack_frame_size): Declare.
2820 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
2822 2006-11-28 Richard Guenther <rguenther@suse.de>
2824 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
2825 unsigned long for printing OBJECT_SIZE.
2827 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
2829 * alias.c (init_alias_analysis): Remove simplification loop
2830 after propagating pointers.
2832 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2834 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
2837 2006-11-27 Bob Wilson <bob.wilson@acm.org>
2839 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
2841 2006-11-27 Roger Sayle <roger@eyesopen.com>
2842 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2844 * c-common.c (constant_fits_type_p): Delete.
2845 (unsigned_conversion_warning): Delete.
2846 (conversion_warning): Integrate Wconversion warning from
2847 unsigned_conversion_warning.
2848 (convert_and_check): Integrate Woverflow warning from
2849 unsigned_conversion_warning. Reorganize and simplify to avoid
2850 dependence upon the middle-end setting TREE_OVERFLOW on integral
2851 conversions, by using int_fits_type_p directly.
2853 2006-11-27 Tobias Burnus <burnus@net-b.de>
2855 * doc/invoke.texi: Fixed typo.
2857 2006-11-27 Michael Matz <matz@suse.de>
2858 Andreas Krebbel <krebbel1@de.ibm.com>
2861 * config/s390/predicates.md (larl_operand): Check addend of larl
2862 operand to be in range of -/+2GB.
2863 * config/s390/s390.c (legitimize_pic_address): Likewise.
2864 Changed type of variable even to HOST_WIDE_INT.
2866 2006-11-27 Jan Hubicka <jh@suse.cz>
2868 * expr.c (emit_block_move_via_libcall): Export.
2869 (clear_storage_via_libcall): Rename to ...
2870 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
2871 (clear_storage): Update to set_storage_via_libcall.
2872 * expr.h (emit_block_move_via_libcall): Declare
2873 * config/i386/i386.h (stringop_alg): New enum.
2874 (MAX_STRINGOP_ALGS): New constant.
2875 (stringop_algs): New struct.
2876 (processor_costs): Add memcpy/memset descriptors.
2877 (TARGET_REP_MOVEL_OPTIMAL): Remove.
2878 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
2879 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
2881 * config/i386/i386.opt (minline-stringops-dynamically,
2882 mstringop-strategy): New
2884 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
2885 (ix86_expand-clrmem): Rename to ...
2886 (ix86_expand_setmem): ... this one; update prototype.
2887 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
2888 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
2889 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
2890 nocona_cost, core2_cost, generic_cost, generic64_cost,
2891 generic32_cost): Add memcpy/memset descriptors.
2892 (x86_rep_movl_optimal): Remove.
2893 (stringop_alg): New static variable.
2894 (ix86_expand_aligntest): Handle predictions.
2895 (override_options): Add strgop_alg handling.
2896 (predict_jump): New function.
2897 (scale_counter): New function.
2898 (expand_set_or_movmem_via_loop): New function.
2899 (expand_movmem_via_rep_mov): New function.
2900 (expand_setmem_via_rep_stots): New function.
2901 (emit_strmov): New function.
2902 (expand_movmem_epilogue): New function.
2903 (expand_setmem_epilogue_via_loop): New function.
2904 (expand_setmem_epilogue): New function.
2905 (expand_movmem_prologue): New function.
2906 (expand_setmem_prologue): New function.
2907 (decide_alg): New function.
2908 (decide_alignment): New function.
2909 (ix86_exand_movmem): Rewrite.
2910 (promote_duplicated_reg): New function.
2911 (ix86_expand_clrmem): Rename to ...
2912 (ix86_expand_setmem): ... this one. Rewrite.
2914 * invoke.texi (minline-stringops-dynamically): New command line option.
2915 (mstringop-strategy): Likewise.
2917 2006-11-27 Jan Hubicka <jh@suse.cz>
2919 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
2920 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
2921 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
2922 * insn-notes.def (FUNCTION_END): Remove.
2923 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
2924 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
2926 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
2927 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
2928 * cfglayout.c (duplicate_insn_chain): Don't worry about
2931 2006-11-27 Richard Guenther <rguenther@suse.de>
2932 Zdenek Dvorak <dvorakz@suse.cz>
2934 * target.h (struct gcc_target): Add builtin_vectorized_function
2936 * target-def.h (TARGET_VECTORIZE): Likewise.
2937 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2938 Document new target hook.
2939 * targhooks.h (default_builtin_vectorized_function): Declare.
2940 * targhooks.c (default_builtin_vectorized_function): Define.
2941 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
2942 (vectorizable_call): Declare.
2943 * tree-vect-analyze.c (vect_analyze_operations): Call
2945 * tree-vect-transform.c (vectorizable_function): New static function.
2946 (build_vectorized_function_call): Likewise.
2947 (vectorizable_call): New function.
2948 (vect_transform_stmt): Handle vectorizable calls.
2950 2006-11-27 Richard Guenther <rguenther@suse.de>
2953 * builtins.c (expand_builtin_pow): Optimize non integer valued
2954 constant exponents using sqrt or cbrt if possible. Always fall back
2955 to expanding via optabs.
2957 2006-11-27 Ira Rosen <irar@il.ibm.com>
2959 PR tree-optimization/22372
2960 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
2961 the type of the base address.
2962 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
2963 it in the data-ref pointer creation.
2964 (vect_init_vector): Add an argument, type of the init vector. Use it in
2966 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
2967 (get_initial_def_for_reduction): Likewise.
2968 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
2970 (vectorizable_assignment, vect_permute_store_chain): Likewise.
2971 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
2972 correct type in stmt creation.
2973 (vect_setup_realignment): Use the correct type in stmt creation.
2974 (vect_permute_load_chain): Change type of MODIFY_EXPR to
2976 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
2977 of MODIFY_EXPR to void_type_node.
2978 (vectorizable_condition): Change type of MODIFY_EXPR to
2980 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
2983 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2986 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2987 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2988 standard 80387 constants, raise the cost to prevent
2989 compress_float_constant() to generate load from memory.
2991 * config/i386/i386.md: Add new splitter pattern to split
2992 float_extended load of constant from constant pool into
2995 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2997 * doc/install.texi: Move GMP/MPFR configure options from Fortran
2998 section to general section. Remove documentation for
2999 --with-mpfr-dir and --with-gmp-dir, add documentation for
3000 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3003 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3005 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3007 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3009 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3011 PR tree-optimization/29122
3012 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3013 for the new version. Assign NULL to DECL_RTL of the new version.
3015 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3017 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3019 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3021 * cse.c (cse_altered): Remove.
3022 (record_jump_equiv): Make true/false argument a bool instead
3024 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3025 where appropriate. Emit a new jump before the existing one
3026 instead of after so that delete_insn_and_edges removes the
3027 dead edges properly. Check any_condjump_p before calling
3029 (cse_basic_block): Check any_condjump_p before calling
3031 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3033 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3035 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3036 -ffixed-line-length-* options.
3038 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3040 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3041 (fprem1xf4): Rename to fprem1xf4_i387.
3043 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3044 Rename patterns to fmod<mode>3. Use general_operand operand
3045 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3046 patterns for SSE math.
3047 (remaindersf3, remainderdf3): Ditto.
3049 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3051 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3052 inside start_sequence / end_sequence pair.
3054 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3056 * jump.c (mark_all_labels): Work in cfglayout mode.
3057 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3058 when in cfglayout mode, because there are no dead jumptables
3060 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3062 (commit_edge_insertions): Do not allow insertion of instructions
3063 with control flow insns when in cfglayout mode.
3065 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3067 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3069 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3070 unswitch_loop): Ditto.
3071 * tree-loop-linear.c (linear_transform_loops): Ditto.
3072 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3073 tree_ssa_lim): Ditto.
3074 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3075 free_numbers_of_iterations_estimates): Ditto.
3076 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3077 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3078 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3079 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3080 place_new_loop, duplicate_loop, duplicate_subloops,
3081 update_single_exit_for_duplicated_loops, copy_loops_to,
3082 duplicate_loop_to_header_edge, create_preheaders,
3083 force_single_succ_latches, loop_version, fix_loop_structure):
3085 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3086 tree_unroll_loop): Ditto.
3087 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3088 * tree-scalar-evolution.c (select_loops_exit_conditions,
3089 scev_initialize, scev_analysis): Ditto.
3090 * tree-scalar-evolution.h (scev_initialize): Ditto.
3091 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3092 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3093 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3094 * modulo-sched.c (sms_schedule): Ditto.
3095 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3096 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3097 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3098 * ifcvt.c (if_convert): Ditto.
3099 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3100 canonicalize_loop_induction_variables,
3101 canonicalize_induction_variables,
3102 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3103 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3104 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3105 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3106 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3107 tree_ssa_loop_done): Ditto.
3108 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3109 estimate_bb_frequencies): Ditto.
3110 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3111 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3112 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3113 decide_unrolling_and_peeling, peel_loop_completely,
3114 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3115 peel_loop_simple, unroll_loop_stupid): Ditto.
3116 * loop-doloop.c (doloop_optimize_loops): Ditto.
3117 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3118 * loop-invariant.c (move_loop_invariants): Ditto.
3119 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3120 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3121 tree_ssa_prefetch_arrays): Ditto.
3122 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3124 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3125 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3126 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3127 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3128 verify_loop_structure): Ditto.
3129 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3130 canonicalize_induction_variables, tree_unroll_loops_completely,
3131 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3132 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3133 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3134 tree_unroll_loop, linear_transform_loops): Declaration changed.
3135 * basic-block.h: Remove declaration of struct loops.
3136 * cfghooks.h (struct cfg_hooks): Change type of
3137 cfg_hook_duplicate_loop_to_header_edge.
3138 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3139 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3140 vect_transform_loop): Declaration changed.
3141 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3142 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3143 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3144 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3145 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3146 loopify, loop_version, remove_path, unswitch_loops,
3147 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3148 Declaration changed.
3150 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3152 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3153 (X87MODEF): New mode macro.
3154 (ssemodefsuffix): New mode attribute.
3155 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3156 (sqrt_extend<mode>xf2_i387): New insn pattern.
3157 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3158 insn and truncate result back to original mode using
3159 UNSPEC_TRUNC_NOOP truncation.
3160 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3161 ssemodefsuffix mode attribute.
3162 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3163 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3164 (*sqrtextenddfxf2_i387): Remove insn patterns.
3166 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3167 truncation patterns.
3169 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3171 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3174 * c-tree.h (c_maybe_initialize_eh): New prototype.
3175 * c-decl.c (finish_decl): Move EH initialization...
3176 (c_maybe_initialize_eh): ... here. New function.
3177 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3178 if not #pragma omp atomic.
3181 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3182 or UNION_TYPE inner types.
3184 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3187 * ipa-pure-const.c (check_tree): If the original tree
3188 is volatile return early and say the function is not pure
3189 nor const. Remove the volatile check for writes.
3190 (analyze_function): Print out the result of the local
3193 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3195 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3197 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3198 * config/rs6000/rs6000.c (rs6000_override_options): Use
3199 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3202 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3204 * config/s390.c (s390_emit_compare_and_swap): New function.
3205 (s390_expand_cs_hqi, s390_expand_atomic): Call
3206 s390_emit_compare_and_swap.
3208 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3210 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3212 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3216 * c-common.c (conversion_warning): New.
3217 (convert_and_check): Call conversion_warning unless there is an
3219 * doc/invoke.texi (-Wconversion): Update description.
3221 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3223 * tree-ssa-alias.c (tree_pointer_compare): New function.
3224 (compact_name_tags): New function.
3225 (group_aliases): Call compact_name_tags.
3227 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3229 * real.h (real_isinteger): Declare.
3230 * real.c (real_isinteger): Define.
3231 * builtins.c (integer_valued_real_p): Use it.
3233 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3236 * c.opt (Wtraditional-conversion): New.
3237 (Wconversion): Update description.
3238 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3239 type conversions different from what would happen in the absence
3240 of prototype are now handled by Wtraditional-conversion.
3241 * doc/invoke.texi (Wtraditional-conversion): New.
3242 (Wconversion): Update description.
3243 * doc/trouble.texi (Wconversion): Replace Wconversion by
3244 Wtraditional-conversion.
3246 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3248 * predict.c (tree_estimate_probability): Check to make
3249 sure current_loops is non null before calling flow_loops_dump.
3251 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3253 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3255 2006-11-23 David Ung <davidu@mips.com>
3257 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3259 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3260 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3261 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3262 high part of FP register when in 64-bit FP register mode. Similarly
3263 use gen_mfhc1 to load high part of FP register.
3264 (override_options): Allow -mgp32 and -mfp64 combination if
3265 ISA_HAS_MXHC1 (currently for O32 only).
3266 (mips_cannot_change_mode_class): If floating-point registers are
3267 bigger than word size. disallow conversion of float register from a
3268 large integer mode to a float mode smaller than the float register
3270 (mips_class_max_nregs): Handle float registers case seperately.
3271 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3273 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3274 (movdf_hardfloat_32bit): Similarly.
3275 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3276 support a full 64-bit fpu.
3277 (mthc1): New pattern to generate MTHC1 instruction.
3278 (mfhc1): New pattern to generate MFHC1 instruction.
3279 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3280 option for the MIPS32R2 and mention its use under O32 ABI.
3282 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3284 * var-tracking.c (emit_note_insn_var_location): Take care not to
3285 cause verify_flow_info failures.
3287 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3289 * tree-ssa-structalias.c: Remove edge weights in favor of just
3290 processing them as complex constraints.
3291 (struct constraint_graph): Remove weighted succs and preds. Rename
3292 nonweighted succs and preds.
3293 (constraint_edge): Removed.
3294 (constraint_edge_t): Ditto.
3295 (constraint_edge_pool): Ditto.
3296 (new_constraint_edge): Ditto.
3297 (constraint_edge_equal): Ditto.
3298 (constraint_edge_less): Ditto.
3299 (constraint_edge_vec_find): Ditto.
3300 (erase_self_graph_edge): Ditto.
3301 (add_graph_edge): Removed.
3302 (get_graph_weights): Ditto.
3303 (allocate_graph_weights): Ditto.
3304 (valid_weighted_graph_edge): Ditto
3305 (bitmap_other_than_zero_bit_set): Ditto.
3306 (int_add_graph_edge): Renamed to add_graph_edge.
3307 (clear_edges_for_node): Remove support for weighted edges.
3308 (merge_graph_nodes): Ditto.
3309 (valid_graph_edge): Ditto.
3310 (build_constraint_graph): Ditto.
3312 (collapse_nodes): Ditto.
3313 (process_unification_queue): Ditto.
3314 (topo_visit): Ditto.
3315 (do_ds_constraint): Ditto.
3316 (perform_var_subsitution): Ditto.
3317 (solve_graph): Ditto.
3318 (init_alias_vars): Ditto.
3319 (delete_points_to_sets): Ditto.
3320 (do_complex_constraint): Support offsetted copies here.
3322 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3324 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3326 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3328 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3331 2006-11-23 Ben Elliston <bje@au.ibm.com>
3333 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3335 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3337 PR tree-optimization/29921
3338 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3339 signed and unsigned zero equal.
3341 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3343 * config/rs6000/rs6000.c (get_store_dest): New.
3344 (adjacent_mem_locations): Use get_store_dest() to get
3345 the rtl of the store destination.
3347 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3349 * config/rs6000/spe.md (SPE64): New mode macro.
3350 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3352 (mov_si<mode>_e500_subreg0_2): New.
3353 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3355 (mov_si<mode>_e500_subreg4_2): New.
3356 * config/rs6000/predicates.md (input_operand): Do not allow
3357 invalid E500 subregs.
3358 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3360 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3361 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3362 involving vector modes if TARGET_SPE.
3364 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3367 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3368 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3370 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3372 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3373 mem_i_address_operand): New predicates.
3374 * config/bfin/bfin.c (bfin_issue_rate): New function.
3375 (TARGET_SCHED_ISSUE_RATE): New macro.
3376 * config/bfin/bfin.md (addrtype): New attribute.
3377 (slot0, slot1, slot2, store, pregs): New cpu_units.
3378 (core): Now a define_reservation.
3379 (alu): Remove some insn types from this reservation.
3380 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3382 (dummy reservation): Don't trigger for mcld insns.
3383 (absence_sets): Two new absence sets to enforce slot ordering.
3384 (popsi_insn): Set addrtype.
3386 2006-11-22 Ira Rosen <irar@il.ibm.com>
3388 * doc/c-tree.texi: Document new tree codes.
3389 * doc/md.texi: Document new optabs.
3390 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3392 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3393 * optabs.h (optab_index): Add new.
3394 (vec_extract_even_optab, vec_extract_odd_optab,
3395 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3396 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3397 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3399 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3400 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3401 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3402 along with macros for their access.
3403 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3405 * tree-vect-analyze.c (toplev.h): Include.
3406 (vect_determine_vectorization_factor): Fix indentation.
3407 (vect_insert_into_interleaving_chain,
3408 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3409 (vect_analyze_data_ref_dependence): Add argument for interleaving
3410 check. Check for interleaving if it's true.
3411 (vect_check_dependences): New function.
3412 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3413 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3414 (vect_update_misalignment_for_peel): Update for interleaving.
3415 (vect_verify_datarefs_alignment): Check only first data-ref for
3417 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3418 only first data-ref for interleaving.
3419 (vect_analyze_data_ref_access): Check interleaving, update
3421 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3422 with different parameters.
3423 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3424 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3425 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3426 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3427 Update step in case of interleaving.
3428 (vect_strided_store_supported, vect_permute_store_chain): New
3430 (vectorizable_store): Handle strided stores.
3431 (vect_strided_load_supported, vect_permute_load_chain,
3432 vect_transform_strided_load): New functions.
3433 (vectorizable_load): Handle strided loads.
3434 (vect_transform_stmt): Add argument. Handle strided stores. Check
3435 that vectorized stmt exists for patterns.
3436 (vect_gen_niters_for_prolog_loop): Update calculation for
3438 (vect_transform_loop): Remove stmt_vec_info for strided stores after
3439 whole chain vectorization.
3440 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
3441 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
3442 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
3443 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
3444 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
3446 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
3448 * cse.c (enum taken): Remove PATH_AROUND.
3449 (addr_affects_sp_p, invalidate_skipped_set,
3450 invalidate_skipped_block): Remove.
3451 (cse_end_of_basic_block): Remove skip_blocks and related code.
3452 (cse_main): Don't test for flag_cse_skip_blocks.
3453 Update cse_end_of_basic_block call.
3454 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
3455 code to lengthen the path if a jump was simplified.
3457 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3459 PR rtl-optimization/29924
3460 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
3461 (unroll_loop_runtime_iterations): Assert that the argument passed to
3462 split_edge_and_insert is not NULL.
3463 * loop-doloop.c (add_test): Ditto.
3465 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3467 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
3469 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
3470 * cfgloopmanip.c (update_single_exits_after_duplication,
3471 update_single_exit_for_duplicated_loop, loop_version): Ditto.
3472 * tree-scalar-evolution.c (get_loop_exit_condition,
3473 get_exit_conditions_rec, loop_closed_phi_def,
3474 number_of_iterations_in_loop, scev_const_prop): Ditto.
3475 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
3476 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
3478 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3480 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3481 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
3482 slpeel_make_loop_iterate_ntimes,
3483 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
3484 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3486 * tree-if-conv.c (if_convertible_loop_p): Ditto.
3487 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
3488 vect_analyze_loop_form): Ditto.
3489 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
3490 can_convert_to_perfect_nest, perfect_nestify): Ditto.
3491 * tree-vect-transform.c (vect_create_epilog_for_reduction,
3492 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3493 vect_transform_loop): Ditto.
3494 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
3495 (single_exit, set_single_exit): New functions.
3496 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
3497 (single_exit, set_single_exit): Declare.
3498 * doc/loop.texi: Undocument single_exit field. Document single_exit
3501 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3503 PR tree-optimization/29902
3504 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
3505 any involved ssa name appears in abnormal phi node.
3507 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3509 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
3510 (xtensa_const_ok_for_letter_p): Delete.
3511 (xtensa_extra_constraint): Delete.
3512 (override_options): Delete xtensa_char_to_class initialization.
3513 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
3514 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3515 (EXTRA_CONSTRAINT): Delete.
3516 * config/xtensa/xtensa.md: Include constraints.md.
3517 (call_internal): Combine alternatives.
3518 (call_value_internal): Likewise, and remove invalid constraints.
3519 * config/xtensa/constraints.md: New file.
3520 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
3521 (xtensa_extra_constraint): Delete.
3522 * doc/md.texi (Machine Constraints): Refer to constraints.md for
3525 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3527 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
3528 of conversion that doesn't fit.
3530 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
3531 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
3532 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
3534 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
3536 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
3538 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
3540 2006-11-21 Richard Guenther <rguenther@suse.de>
3542 * tree-vectorizer.h (NUM_PATTERNS): Increase.
3543 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
3544 vect_recog_pow_pattern.
3545 (vect_recog_pow_pattern): New function.
3547 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
3549 * config/bfin/bfin.opt (mstack-check-l1): New.
3550 * doc/invoke.texi (Blackfin Options): Document it.
3551 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
3552 stack bounds in L1 memory if the new option is enabled.
3553 (override_options): Don't allow combinations of -fstack-limit and
3555 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
3558 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3560 (bfin_register_move_cost): Bump costs if trying to move plain
3561 integer values through accumulators.
3563 2006-11-21 Ben Elliston <bje@au.ibm.com>
3565 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
3567 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3568 Russell Olsen <Russell_Olsen@playstation.sony.com>
3569 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
3570 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
3571 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
3572 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
3573 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3575 * config.gcc: Add target for SPU.
3576 * config/spu/constraints.md: New file.
3577 * config/spu/crt0.c: New file.
3578 * config/spu/crtend.c: New file.
3579 * config/spu/crti.asm: New file.
3580 * config/spu/crtn.asm: New file.
3581 * config/spu/float_unsdidf.c: New file.
3582 * config/spu/float_unssidf.c: New file.
3583 * config/spu/predicates.md: New file.
3584 * config/spu/spu-builtins.def: New file.
3585 * config/spu/spu-builtins.h: New file.
3586 * config/spu/spu-builtins.md: New file.
3587 * config/spu/spu-c.c: New file.
3588 * config/spu/spu-elf.h: New file.
3589 * config/spu/spu-modes.def: New file.
3590 * config/spu/spu-protos.h: New file.
3591 * config/spu/spu.c: New file.
3592 * config/spu/spu.h: New file.
3593 * config/spu/spu.md: New file.
3594 * config/spu/spu.opt: New file.
3595 * config/spu/spu_internals.h: New file.
3596 * config/spu/spu_intrinsics.h: New file.
3597 * config/spu/spu_mfcio.h: New file.
3598 * config/spu/t-spu-elf: New file.
3599 * config/spu/vec_types.h: New file.
3600 * config/spu/vmx2spu.h: New file.
3601 * doc/contrib.texi: Document SPU contributor.
3602 * doc/extend.texi: Document SPU extensions.
3603 * doc/invoke.texi: Document SPU options.
3604 * doc/md.texi: Document SPU constraints.
3606 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3608 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
3610 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
3612 (flow_loop_dump): Do not dump loop level.
3613 (flow_loops_find): Do not call flow_loops_level_compute.
3614 * cfgloop.h (struct loop): Remove level field.
3616 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3618 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
3619 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
3620 Use vector of edges instead of array.
3621 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
3622 estimate_numbers_of_iterations_loop): Ditto.
3623 * predict.c (predict_loops): Ditto.
3624 * loop-unroll.c (analyze_insns_in_loop): Ditto.
3625 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
3627 * basic-block.h: Declare heap allocation for edge vectors.
3628 * tree-outof-ssa.c: Ditto.
3629 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
3630 * cfgloop.h (get_loop_exit_edges): Declaration changed.
3632 2006-11-20 Zack Weinberg <zackw@panix.com>
3634 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
3635 Add another out parameter, "skip".
3636 (set_gc_used_type): Adjust calls to process_gc_options. If a field
3637 is tagged "skip", do not mark its type used.
3639 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3642 * tree-sra.c (single_scalar_field_in_record_p): New function.
3643 (decide_block_copy): Use it.
3645 2006-11-20 David Daney <ddaney@avtrex.com>
3647 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3648 PC to point to following instruction.
3650 2006-11-20 Anatoly Sokolov <aesok@post.ru>
3654 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
3656 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
3658 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
3660 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3661 Add sh/superh.h to tm_file.
3663 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
3664 Mark Mitchell <mark@codesourcery.com>
3666 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
3668 (cpp_relocated): New function.
3669 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
3671 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
3672 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
3673 replace configured prefix with gcc_exec_prefix.
3675 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3677 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
3678 bfin_legitimate_constant_p.
3679 * config/bfin/bfin.md (movsi expander): Check return value of
3681 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
3682 (expand_move): Adjust prototype.
3683 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
3684 invalid constants specially.
3685 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
3687 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
3689 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
3690 sibcall_value_symbol): Allow these patterns if
3691 TARGET_LEAF_ID_SHARED_LIBRARY.
3692 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
3693 (override_options): Turn on id shared library flags if -msep-data,
3694 but disallow the combination of these options on the command line.
3695 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
3696 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
3697 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
3698 -mid-shared-library.
3699 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
3700 * doc/invoke.texi (Blackfin Options): Document new switches.
3702 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
3703 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
3705 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
3706 inflate costs for addresses with an out-of-bounds address.
3708 2006-11-19 Andrew Pinski <pinskia@gmail.com>
3711 * fwprop.c (loops): Remove.
3712 (forward_propagate_into): Use current_loops instead of
3714 (fwprop_init): Call loop_optimizer_init instead of
3716 (fwprop_done): Call loop_optimizer_finalize instead of
3718 (fwprop): Use current_loops instead of loops.
3720 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
3723 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
3725 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3728 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
3729 larger than BITS_PER_WORD.
3731 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3735 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
3736 to MAX_FIXED_MODE_SIZE.
3738 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3740 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
3741 (fold_builtin_fmin_fmax): New.
3742 (fold_builtin_1): Use it.
3744 * fold-const.c (fold_strip_sign_ops): Handle copysign.
3746 2006-11-18 Richard Guenther <rguenther@suse.de>
3748 * config/i386/i386.c (ix86_builtins): New array for ix86
3749 builtin function decls.
3750 (def_builtin): New function.
3751 (def_builtin_const): Likewise.
3752 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
3754 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
3756 * doc/invoke.texi (core2): Add item.
3758 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
3760 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
3761 (TARGET_CPU_DEFAULT_generic): Change value.
3762 (TARGET_CPU_DEFAULT_NAMES): Add core2.
3763 (processor_type): Add new constant PROCESSOR_CORE2.
3765 * config/i386/i386.md (cpu): Add core2.
3767 * config/i386/i386.c (core2_cost): New initialized variable.
3768 (m_CORE2): New macro.
3769 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
3770 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
3771 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3772 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3773 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3774 x86_accumulate_outgoing_args, x86_prologue_using_move,
3775 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3776 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
3777 x86_use_incdec, x86_four_jump_limit, x86_schedule,
3778 x86_pad_returns): Add m_CORE2.
3779 (override_options): Add entries for Core2.
3780 (ix86_issue_rate): Add case for Core2.
3782 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
3784 * doc/invoke.texi: Fix mno-isel typo.
3786 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3788 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
3789 easy vector constant loads.
3791 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3793 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
3794 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3795 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
3796 * config/rs6000/sync.md (lwsync): Emit plain sync if
3799 2006-11-17 DJ Delorie <dj@redhat.com>
3801 * reload1.c (reloads_unique_chain): New.
3802 (reloads_conflict): Call it.
3804 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3806 * config/xtensa/predicates.md (addsubx_operand): New.
3807 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
3808 (xtensa_emit_bit_branch): New.
3809 (xtensa_emit_movcc): New.
3810 * config/xtensa/xtensa.md (any_minmax): New code macro.
3811 (minmax): New code attribute.
3812 (any_cond, any_scc, any_scc_sf): New code macros.
3813 (*addx2, *addx4, *addx8): Delete.
3815 (*subx2, *subx4, *subx8): Delete.
3817 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
3818 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
3819 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
3820 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
3821 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
3822 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
3823 (movsfcc_internal0, movsfcc_internal1): Likewise.
3824 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
3825 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
3826 (xtensa_emit_bit_branch): New.
3827 (xtensa_emit_movcc): New.
3828 (function_arg_boundary): Add missing prototype.
3830 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3832 * config/xtensa/xtensa.md (tstsi): Delete
3834 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3836 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
3838 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3840 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3842 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3844 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
3846 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3848 * tree-vrp.c (execute_vrp): Do not update current_loops.
3849 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
3850 * doc/loop.texi: Remove documentation for cancelled functions.
3851 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
3852 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
3854 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
3855 (remove_path): Ensure that in delete_basic_blocks, the loops
3856 are still allocated.
3857 (add_loop): Work on valid loop structures.
3858 (loopify): Modify call of add_loop.
3859 (mfb_update_loops): Removed.
3860 (create_preheader): Do not update loops explicitly.
3861 (force_single_succ_latches, loop_version): Do not use
3862 loop_split_edge_with.
3863 (loop_split_edge_with): Removed.
3864 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
3865 Do not use bsi_insert_on_edge_immediate_loop.
3866 (split_loop_exit_edge, tree_unroll_loop): Do not use
3867 loop_split_edge_with.
3868 (bsi_insert_on_edge_immediate_loop): Removed.
3869 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
3870 use loop_split_edge_with.
3871 * cfghooks.c: Include cfgloop.h.
3872 (verify_flow_info): Verify that loop_father is filled iff current_loops
3874 (redirect_edge_and_branch_force, split_block, delete_basic_block,
3875 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
3877 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
3879 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
3880 loop_split_edge_with.
3881 (sms_schedule): Use current_loops.
3882 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
3883 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
3885 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
3886 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
3887 * ifcvt.c (if_convert): Ditto.
3888 * predict.c (predict_loops): Do not clear current_loops.
3889 (tree_estimate_probability): Use current_loops.
3890 (propagate_freq): Receive head of the region to propagate instead of
3892 (estimate_loops_at_level): Do not use shared to_visit bitmap.
3893 (estimate_loops): New function. Handle case current_loops == NULL.
3894 (estimate_bb_frequencies): Do not allocate tovisit. Use
3896 * tree-ssa-loop.c (current_loops): Removed.
3897 (tree_loop_optimizer_init): Do not return loops.
3898 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
3899 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
3900 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
3901 Do not update loops explicitly.
3902 * function.h (struct function): Add x_current_loops field.
3903 (current_loops): New macro.
3904 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
3905 * loop-unroll.c (split_edge_and_insert): New function.
3906 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
3907 use loop_split_edge_with.
3908 * loop-doloop.c (add_test, doloop_modify): Ditto.
3909 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
3910 * cfglayout.c (copy_bbs): Do not update loops explicitly.
3911 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
3912 * tree-vect-transform.c (vect_transform_loop): Do not update loops
3914 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
3915 (flow_loops_free): Do not free dfs_order and rc_order.
3916 (flow_loops_find): Do not set dfs_order and rc_order in loops
3917 structure. Do not call loops and flow info verification.
3918 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
3919 already belongs to some loop.
3920 * cfgloop.h (struct loops): Remove struct cfg.
3921 (current_loops, loop_split_edge_with): Declaration removed.
3922 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
3923 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
3924 Declaration removed.
3925 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
3926 * basic-block.h (split_edge_and_insert): Declare.
3927 * tree-cfg.c (remove_bb): Do not update loops explicitly.
3929 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3931 PR tree-optimization/29801
3932 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
3933 (get_default_value): Use get_symbol_constant_value.
3934 (set_lattice_value): ICE when the value of the constant is
3936 (visit_assignment): Ignore VDEFs of read-only variables.
3938 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3940 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
3942 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3943 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
3945 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3947 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
3948 select subvars of var.
3950 2006-11-17 Jakub Jelinek <jakub@redhat.com>
3953 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
3954 optimize if DEF doesn't have integral type.
3956 2006-11-16 Mike Stump <mrs@apple.com>
3958 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
3959 pre-darwin9 system, unless the user asks for it directly.
3960 (PREFERRED_DEBUGGING_TYPE): Likewise.
3961 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3962 * config.gcc: Add suppport for darwin9.h.
3963 * config/darwin9.h: Add.
3964 * doc/install.texi (Specific): Clarify darwin documentation.
3966 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3968 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
3969 optimizing for size.
3971 2006-11-16 Mike Stump <mrs@apple.com>
3973 * Makefile.in (targhooks.o): Add $(OPTABS_H).
3975 2006-11-16 Dirk Mueller <dmueller@suse.de>
3977 * tree-vrp.c (get_value_range): Use XCNEW instead
3979 (insert_range_assertions): Use XCNEWVEC instead
3980 of XNEWVEC and memset.
3981 (vrp_initialize): Same.
3982 (vrp_finalize): Same.
3983 * tree-ssa-ccp.c (ccp_initialize): Same.
3984 * predict.c (tree_bb_level_predictions): Same.
3985 * calls.c (expand_call): Same.
3986 * tree-ssa-copy.c (init_copy_prop): Same.
3987 (fini_copy_prop): Same.
3988 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
3989 of GGC_NEW and memset.
3991 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
3994 * gimplify.c (gimplify_expr): Only force a load for references to
3995 non-BLKmode volatile values.
3996 * doc/implement-c.texi (Qualifiers implementation): Document the
3997 interpretation of what a volatile access is.
3998 * doc/extend.texi (C++ Extensions): Rework same documentation.
4000 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4002 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4005 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4007 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4009 (arm_neg_abssi2): Renamed from neg_abssi2.
4010 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4012 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4014 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4015 number of arguments passed to local functions in SSE registers is 3.
4017 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4018 number of arguments passed in SSE registers to 3.
4020 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4023 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4025 (get_last_bb_insn): ... new global function.
4026 (basic_block.h): Declare it.
4027 * haifa-sched.c (create_recovery_block): Use it.
4029 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4032 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4034 2006-11-15 Paul Brook <paul@codesourcery.com>
4036 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4037 _Unwind_GetTextRelBase): Move from here ...
4038 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4039 _Unwind_GetTextRelBase): ... To here.
4041 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4043 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4044 addresses we generate for testing are aligned.
4046 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4049 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4050 to what is the const decl is a place holder for.
4052 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4054 * config/i386/i386.opt: New target option -mx87regparm.
4056 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4057 and float_in_x87 variables. mmx_words, sse_words: Remove.
4058 (X87_REGPARM_MAX): Define.
4060 * config/i386/i386.c (override_options): Error out for
4061 -mx87regparm but no 80387 support.
4062 (ix86_attribute_table): Add x87regparm.
4063 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4064 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4065 (ix86_function_x87regparm): New function.
4066 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4068 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4070 (function_arg_advance): Process x87_nregs and x87_regno when
4071 floating point argument is to be passed in 80387 register.
4072 (function_arg): Pass XFmode arguments in 80387 registers for local
4073 functions. Pass SFmode and DFmode arguments to local functions
4074 in 80387 registers when flag_unsafe_math_optimizations is set.
4076 * reg-stack.c (convert_regs_entry): Disable NaN load for
4077 stack registers that are used for argument passing.
4079 * doc/extend.texi: Document x87regparm function attribute.
4080 * doc/invoke.texi: Document -mx87regparm.
4082 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4084 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4085 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4086 arg MODE; all callers changed. Use it to determine validity per
4087 machine mode instead of using Pmode for all memory references.
4088 (get_address_cost): Likewise add and use new arg MEM_MODE.
4090 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4091 J"orn Rennecke <joern.rennecke@st.com>
4093 * combine.c (likely_spilled_retval_1): Fix masking operation.
4094 (likely_spilled_retval_p): Use proper pattern for call to
4095 likely_spilled_retval_1.
4097 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4099 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4101 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4102 that tests for CONSTANT_POOL_ADDRESS_P.
4104 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4106 PR tree-optimization/29581
4107 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4108 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4109 type is different between Y and USE, create a temporary
4110 variable, initialize it at the beginning of the body bb
4111 and use it as replacement instead of Y.
4113 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4116 * gimplify.c (fold_indirect_ref_rhs): Use
4117 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4119 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4121 * expmed.c (emit_store_flag_1): New function.
4122 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4124 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4125 Use do_compare_rtx_and_jump.
4126 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4127 * arm.md (cstoresi4): New define_expand.
4128 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4129 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4130 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4132 2006-11-14 Caroline Tice <ctice@apple.com>
4134 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4135 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4137 (pubname_table): Redefine as a vector.
4138 (pubtype_table): New static global variable, defined as a vector.
4139 (pubname_table_allocated): Remove static global variable.
4140 (pubname_table_in_use): Remove static global variable.
4141 (PUBNAME_TABLE_INCREMENT): Remove constant.
4142 (size_of_pubnames): Add parameter to deal with either pubnames or
4143 pubtypes, and change code to deal with table being a vector.
4144 (add_pubname): Change to deal with table being a vector.
4145 (add_pubtype): New function.
4146 (output_pubnames): Add parameter to deal with either pubnames or
4147 pubtypes, and change code to deal with table being a vector.
4148 (gen_array_type_die): Add call to add_pubtype.
4149 (gen_enumeration_type_die): Add call to add_pubtype.
4150 (gen_struct_or_union_type_die): Add call to add_pubtype.
4151 (gen_subroutine_type_die): Add call to add_pubtype.
4152 (gen_typedef_die): Add call to add_pubtype.
4153 (dwarf2out_init): Add code to initialize pubname_table and
4154 pubtype_table vectors; also initialize debug_pubtypes_section.
4155 (prune_unused_types): Change to deal with pubnames being a vector.
4156 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4157 pubnames table to call to output_pubnames; Add code to output pubtypes
4158 table if DEBUG_PUBTYPES_SECTION is defined.
4159 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4161 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4163 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4165 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4166 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4167 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4168 movv2si_internal): Support moves between core registers.
4170 2006-11-14 Eric Christopher <echristo@apple.com>
4172 * configure: Regenerate with autoconf 2.59.
4174 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4176 Fix PR tree-optimization/27755
4178 * tree-ssa-pre.c: Update comments.
4179 (bb_bitmap_sets): Add pa_in and deferred member.
4180 (BB_DEFERRED): New macro.
4181 (maximal_set): New variable.
4182 (pre_stats): Add pa_insert member.
4183 (bitmap_set_and): Short circuit orig == dest.
4184 (bitmap_set_subtract_values): New function.
4185 (bitmap_set_contains_expr): Ditto.
4186 (translate_vuses_through_block): Add phiblock argument.
4187 (dependent_clean): New function.
4188 (compute_antic_aux): Update for maximal_set changes.
4189 (compute_partial_antic_aux): New function.
4190 (compute_antic): Handle partial anticipation.
4191 (do_partial_partial_insertion): New function.
4192 (insert_aux): Handle partial anticipation.
4193 (add_to_sets): Add to maximal set.
4194 (compute_avail): Ditto.
4195 (init_pre): Initialize maximal_set.
4196 (execute_pre): Do partial anticipation if -O3+.
4198 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4200 PR rtl-optimization/29798
4202 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4203 TARGET_INSN before any other check.
4204 (fwprop_init): Always calculate dominators.
4205 (fwprop_done): Always free them.
4207 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4209 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4212 2006-11-13 DJ Delorie <dj@redhat.com>
4214 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4215 temporary for intermediates.
4217 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4219 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4220 (sh_optimize_target_register_callee_saved): #if 0 the code
4221 using NOTE_INSN_LOOP_{BEG,END}.
4223 2006-11-13 Roger Sayle <roger@eyesopen.com>
4225 * fold-const.c (optimize_bit_field_compare): Recursively call
4226 fold when simplifying non-constant comparisons between bit-fields.
4228 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4230 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4232 * configure: Rebuilt.
4234 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4236 * config/rs6000/cell.md: New file.
4237 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4239 (ppccell_cost): New cost matrix.
4240 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4241 (rs6000_override_options): Set rs6000_always_hint to false
4242 for cell. Also align functions/lables/loops to 8byte
4243 for the Cell. Use PROCESSOR_CELL.
4244 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4245 using_mtcr_multiple.
4246 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4247 on the Cell, return 0.
4248 (rs6000_adjust_cost): Add Cell cost adjustments.
4249 (is_microcoded_insn): Return true for Cell microcoded
4251 (is_nonpipeline_insn): New function.
4252 (rs6000_issue_rate): Add PROCESSOR_CELL.
4253 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4255 (rs6000_use_sched_lookahead_guard): New function.
4256 (rs6000_sched_reorder): Reorder the ready list, if the second
4257 to last ready insn is a nonepipeline insn on the Cell.
4258 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4259 (ASM_CPU_SPEC): Add Cell.
4260 * config/rs6000/rs6000.md (cpu): Add Cell.
4261 (cell_micro): New Attr.
4264 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4266 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4268 * configure: Rebuilt.
4270 2006-11-13 Richard Guenther <rguenther@suse.de>
4272 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4274 (ix86_expand_lfloorceil): Likewise.
4275 (ix86_expand_rint): Likewise.
4276 (ix86_expand_floorceildf_32): Likewise.
4277 (ix86_expand_floorceil): Likewise.
4278 (ix86_expand_rounddf_32): Likewise.
4279 (ix86_expand_truncdf_32): Likewise.
4280 (ix86_expand_round): Likewise.
4282 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4283 Mark Mitchell <mark@codesourcery.com>
4285 * gcc.c: Organize search path variables into $prefix relative,
4286 and well-known native. Add comments.
4287 (add_sysrooted_prefix): Add comment.
4288 (process_command): If !gcc_exec_prefix add $prefix based paths.
4289 If *cross_compile == '0', add native well-known paths.
4290 Assert tooldir_base_prefix is always relative.
4291 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4292 use this value for 'install:' path.
4293 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4295 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4297 * config/i386/i386.c: Fix a typo in comment.
4299 2006-11-13 Michael Matz <matz@suse.de>
4301 * genemit.c (gen_expand): Allocate enough memory.
4303 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4305 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4306 __GXX_TYPEINFO_EQUALITY_INLINE but not
4307 __GXX_MERGED_TYPEINFO_NAMES.
4308 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4309 __GXX_MERGED_TYPEINFO_NAMES.
4310 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4311 __GXX_TYPEINFO_EQUALITY_INLINE.
4313 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4314 Zdenek Dvorak <dvorakz@suse.cz>
4316 PR tree-optimization/29680
4317 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4320 2006-11-12 Jason Merrill <jason@redhat.com>
4321 Andrew Pinski <pinskia@physics.uc.edu>
4324 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4326 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4328 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4329 * tree.c (build_vector): Handle non-_CST elements.
4331 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4333 * genemit.c (gen_insn): Call gen_exp with a non-null used
4334 when handling multiple insns.
4335 (gen_expand): Likewise.
4336 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4337 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4338 (movsi_const_16bit+1): Copy operands[1].
4339 (call_pcrel): Copy the call_site pattern.
4340 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4342 2006-11-12 Roger Sayle <roger@eyesopen.com>
4344 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4345 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4346 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4347 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4349 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4351 Fix PR tree-optimization/29587
4352 * tree-ssa-structalias.c (process_constraint): Don't
4353 mark address taken due only to escaped vars constraint.
4355 2006-11-12 Michael Matz <matz@suse.de>
4356 Roger Sayle <roger@eyesopen.com>
4358 PR rtl-optimization/29797
4359 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4360 BITS_BIG_ENDIAN targets.
4362 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4364 * builtins.c (fold_builtin_cosh): New.
4365 (fold_builtin_1): Use it.
4366 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4367 trunc to the list of "odd" functions. Also add llrint, lrint,
4368 rint and nearbyint when flag_rounding_math is false.
4370 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4372 * tree-flow.h (name_mappings_registered_p): Declare.
4373 * tree-into-ssa.c (name_mappings_registered_p): New function.
4374 * tree-cfg.c (tree_can_merge_blocks_p): Check
4375 name_mappings_registered_p instead of need_ssa_update_p.
4377 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4379 * tree-ssa-loop.c (tree_vectorize): Return the result of
4381 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4382 if anything changed.
4383 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4384 * tree-flow.h (vectorize_loops): Declaration changed.
4386 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4388 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4390 (issue_prefetch_ref): Move assignment to write_p out of loop.
4391 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4392 SIMULTANEOUS_PREFETCHES into account.
4393 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4394 * lambda-code.c (lcm): Renamed to ...
4395 (least_common_multiple): ... and exported.
4396 * tree-flow.h (least_common_multiple): Declare.
4398 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4400 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4401 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4402 ud-chains. Handle AND_EXPR.
4403 (record_estimate): Record whether the estimate is realistic
4404 and whether it is derived from a loop exit.
4405 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4406 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4408 (compute_estimated_nb_iterations): Take only realistic bounds into
4409 account. Set estimate_state. Use double_ints.
4410 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4411 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4412 that do not have to be always executed.
4413 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4414 to determine whether to call infer_loop_bounds_from_undefined
4415 and compute_estimated_nb_iterations.
4416 (n_of_executions_at_most): Use double_ints.
4417 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4418 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4419 * double-int.c (double_int_to_tree): Improve comment.
4420 (double_int_fits_to_tree_p): New function.
4421 * double-int.h (double_int_fits_to_tree_p): Declare.
4422 * tree-data-ref.c: Include langhooks.h.
4423 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4424 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4425 (analyze_array): Do not pass estimate_only argument to
4426 analyze_array_indexes.
4427 (get_number_of_iters_for_loop): Build tree from the stored double_int
4429 (get_references_in_stmt, find_data_references_in_stmt): New functions.
4430 (find_data_references_in_loop): Use find_data_references_in_stmt.
4431 * tree-data-ref.h (struct data_ref_loc_d): New.
4432 (get_references_in_stmt): Declare.
4433 (estimate_iters_using_array): Declaration removed.
4434 * cfgloop.h (struct nb_iter_bound): Change type of bound to
4435 double_int. Improve comments. Add is_exit and realistic
4437 (struct loop): Changed type of estimated_nb_iterations to double_int.
4438 Added estimate_state field.
4439 (record_estimate): Declaration removed.
4441 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4443 * params.c (set_param_value): Initialize the "set" field.
4444 * params.h (struct param_info): Add "set" field.
4445 (PARAM_SET_P): New macro.
4446 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
4447 L1_CACHE_LINE_SIZE): New macros.
4448 * toplev.c (DEFPARAM): Initialize the "set" field.
4449 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
4450 SIMULTANEOUS_PREFETCHES): Removed.
4451 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
4452 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
4453 * config/sparc/sparc.c: Include params.h.
4454 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
4455 L1_CACHE_LINE_SIZE parameters.
4456 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4458 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4460 * config/i386/i386.c: Include params.h.
4461 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
4462 (override_options): Set SIMULTANEOUS_PREFETCHES and
4463 L1_CACHE_LINE_SIZE parameters.
4464 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
4465 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
4466 L1_CACHE_LINE_SIZE parameters.
4467 * config/ia64/ia64.c (ia64_optimization_options): Set
4468 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
4469 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
4471 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
4472 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
4473 * doc/invoke.texi: Document new params.
4475 2006-11-12 Roger Sayle <roger@eyesopen.com>
4477 PR tree-optimization/13827
4478 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
4481 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4483 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
4484 update_single_exit_for_duplicated_loops): New functions.
4485 (duplicate_loop_to_header_edge): Use
4486 update_single_exit_for_duplicated_loops.
4487 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
4488 functions only with ENABLE_CHECKING.
4490 2006-11-12 Andreas Schwab <schwab@suse.de>
4492 * except.c (sjlj_emit_function_enter): Remove unused variable.
4494 2006-11-11 Roger Sayle <roger@eyesopen.com>
4496 * fold-const.c (int_binop_types_match_p): New function.
4497 (size_binop): Relax constraint that both arguments must both have
4498 exactly the same sizetype type. Instead use int_binop_types_match_p.
4499 (size_diffop): Likewise.
4501 (make_range): Use build_int_cst instead of fold_convert.
4502 (fold_cond_expr_with_comparison): Use build_int_cst to construct
4503 integer constants of the correct type.
4504 (fold_div_compare): Likewise.
4505 (fold_single_bit_test): Likewise.
4506 (fold_binary): Likewise.
4507 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
4508 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
4510 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4513 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
4514 non null value if the struct memory access is in the 0th
4517 2006-11-12 Jie Zhang <jie.zhang@analog.com>
4520 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4521 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4524 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
4525 instead of builtin_define for bfin and BFIN.
4527 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4529 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4532 2006-11-11 Jan Hubicka <jh@suse.cz>
4534 * extend.texi (__builtin_expect): We no longer require second argument
4536 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
4537 * builtins.c (expand_builtin_expect): Simplify.
4538 (expand_builtin_expect_jump): Kill.
4539 * final.c (final_scan_insn): Do not skip the removed notes.
4540 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
4541 EXPECTED_VALUE): Remove.
4542 * dojump.c (do_jump): Do not care about __builtin_expect.
4543 * predict.c (expected_value_to_br_prob): Kill.
4544 * function.c (expand_function_end): Do not expand
4545 NOTE_INSN_REPEATED_LINE_NUMBER.
4546 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
4547 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
4548 * cfgexpand.c (add_reg_br_prob_note): Export.
4549 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4550 expected_value_to_br_prob.
4551 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
4552 * rtl.h (add_reg_br_prob_note): Declare.
4554 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4556 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
4558 2006-11-11 Jan Hubicka <jh@suse.cz>
4560 * predict.c (predict_loops): Kill RTL variant.
4562 2006-11-11 Jan Hubicka <jh@suse.cz>
4564 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4565 * modulo-sched.c (find_line_note): Remove.
4566 (loop_canon_p): Do not worry about line number notes.
4567 (sms_schedule): Likewise.
4568 * cse.c (cse_main): Likewise.
4569 * regmove.c (fixup_match_1): Likewise
4570 * function.c (emit_return_info_block): Likewise.
4571 (expand_function_end): Likewise.
4572 (thread_prologue_an_epilogue_insns): Likewise.
4573 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
4575 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
4576 emit_note_copy_after): Kill.
4577 (emit_note_copy): Do not worry about line numbers.
4578 * jump.c (purge_line_number_notes): Kill.
4579 (pass_purge_lineno_notes): Kill.
4580 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
4582 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
4583 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
4584 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
4585 * tree-pass.h (pass_purge_lineno_notes): Kill.
4586 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
4587 rm_redundant_line_notes.
4588 * sched-rgb.c (schedule_region): Don't rm_line_notes,
4589 rm_redundant_line_notes.
4590 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
4591 * haifa-sched.c: Update comment about handling notes.
4592 (unlink_line_notes): Kill.
4593 (rm_line_notes): Kill.
4594 (save_line_notes): Simplify.
4595 (rm_redundant_line_notes): Kill.
4597 2006-11-11 Richard Guenther <rguenther@suse.de>
4599 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
4600 Remove unused tree codes.
4601 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
4602 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
4603 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4604 * tree.c (stabilize_reference): Likewise.
4605 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
4606 fold_unary): Likewise.
4607 * tree-gimple.c (is_gimple_cast): Likewise.
4608 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
4609 * expr.c (expand_expr_real_1): Likewise.
4610 * tree-eh.c (tree_could_trap_p): Likewise.
4611 * gimplify.c (gimplify_expr): Likewise.
4612 * tree-inline.c (estimate_num_insns_1): Likewise.
4613 * tree-cfg.c (verify_expr): Likewise.
4615 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4617 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
4618 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
4619 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
4621 2006-11-11 Richard Sandiford <richard@codesourcery.com>
4624 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
4625 constraints accept neither registers or memories.
4627 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4629 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
4630 (NO_PROFILE_COUNTERS): Define as 1.
4632 2006-11-10 Roger Sayle <roger@eyesopen.com>
4634 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
4635 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
4637 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
4639 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
4641 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4643 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
4644 (fold_builtin_hypot): Likewise.
4645 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
4647 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
4649 2006-11-10 Roger Sayle <roger@eyesopen.com>
4651 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
4652 when attempting to build INTEGER_CSTs of non-integral types.
4653 * expmed.c (make_tree): Use the correct type, i.e. the inner
4654 type, when constructing the individual elements of a CONST_VECTOR.
4656 2006-11-10 Jan Hubicka <jh@suse.cz>
4658 * cse.c (cse_process_notes): Copy the propagated value.
4659 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
4661 * gcse.c (try_replace_reg): Copy the replacement.
4662 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
4663 (assign_386_stack_local): Always return copied memory expression
4664 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
4667 2006-11-10 Jan Hubicka <jh@suse.cz>
4669 * final.c (final): Walk from first instruction.
4670 * cfglayout.c (insn_locators_initialize): Remove line number notes.
4672 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
4675 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
4677 (umulv8hi3_highpart): Ditto.
4678 (vec_widen_smult_hi_v8hi): New expander.
4679 (vec_widen_smult_lo_v8hi): Ditto.
4681 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4684 * builtins.c (do_mpfr_arg3): New.
4685 (fold_builtin_1): Handle builtins fma, fmin and fmax.
4687 2006-11-09 Eric Christopher <echristo@apple.com>
4692 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
4693 * config.gcc (powerpc64-*-darwin*): New target.
4694 * config.host: Ditto.
4695 * config/rs6000/darwin64.h: New file.
4696 * config/rs6000/x-darwin64: Ditto.
4697 * config/rs6000/host-ppc64-darwin.c: Ditto.
4699 2006-11-09 Steve Ellcey <sje@cup.hp.com>
4701 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
4702 routines for integer division.
4704 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
4706 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
4708 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4711 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
4713 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4715 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
4716 simplify_subreg with BLKmode outer mode.
4718 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
4720 * doc/invoke.texi: Minor formatting fixes in option lists.
4722 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
4724 PR tree-optimization/29738
4725 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
4726 (ccp_lattice_t): Remove UNKNOWN_VAL.
4727 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
4728 Do not handle UNKNOWN_VAL.
4729 (get_default_value): Set initial value of virtual operands to
4731 (get_value): Always use get_default_value on uninitialized
4733 (set_value_varying, surely_varying_stmt_p): New functions.
4734 (set_lattice_value): Do not pass argument to get_value.
4735 Do not handle UNKNOWN_VAL.
4736 (likely_value): Follow the semantics described in the comment.
4737 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
4738 phi nodes DONT_SIMULATE_AGAIN.
4739 (ccp_fold): Do not pass argument to get_value.
4740 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
4743 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4745 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4746 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
4748 2006-11-08 Roger Sayle <roger@eyesopen.com>
4750 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
4751 test for inclusion rather than as a test for exclusion.
4752 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
4753 the condition after calling fold_binary.
4754 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
4755 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
4756 * builtins.c (fold_builtin_isascii): Likewise.
4757 (fold_builtin_isdigit): Likewise.
4759 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
4761 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
4762 * configure: Regenerate.
4764 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4766 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
4767 enum argument instead of bool.
4768 (vect_analyze_operations): Call vectorizable_type_promotion.
4769 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
4770 stmt_vec_info_type value.
4771 (supportable_widening_operation, vectorizable_type_promotion): New
4772 function declarations.
4773 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
4774 (vectorizable_type_promotion): New function.
4775 (vect_transform_stmt): Call vectorizable_type_promotion.
4776 * tree-vect-analyze.c (supportable_widening_operation): New function.
4777 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
4779 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4782 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
4783 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
4784 * tree-inline.c (estimate_num_insns_1): Add cases for above new
4786 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4787 * expr.c (expand_expr_real_1): Likewise.
4788 * optabs.c (optab_for_tree_code): Likewise.
4789 (init_optabs): Initialize new optabs.
4790 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
4791 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
4792 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
4793 vec_unpacku_lo_optab): Initialize new optabs.
4794 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
4795 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
4796 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
4798 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
4799 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
4800 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
4801 (vec_unpacku_lo_optab): New optabs.
4802 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
4803 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
4804 (vec_widen_smult_hi, vec_widen_smult_lo): New.
4805 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
4806 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
4807 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
4809 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
4810 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
4811 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
4812 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
4813 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
4814 implement the unsigned unpacking patterns.
4815 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
4816 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
4817 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
4818 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
4819 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
4820 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
4821 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
4822 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
4823 multiplication patterns.
4825 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
4826 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
4827 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4828 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
4829 (rs6000_builtin_mul_widen_odd): New.
4830 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
4831 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
4832 * tree-vectorizer.h (enum vect_relevant): New enum type.
4833 (_stmt_vec_info): Field relevant chaned from bool to enum
4835 (STMT_VINFO_RELEVANT_P): Updated.
4836 (STMT_VINFO_RELEVANT): New.
4837 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
4838 instead of STMT_VINFO_RELEVANT_P.
4839 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
4840 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
4841 and boolean variable with enum vect_relevant.
4842 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
4843 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
4844 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4846 2006-11-08 Richard Henderson <rth@redhat.com>
4848 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
4849 vec_widen_umult_lo_v8hi): New.
4850 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
4851 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
4853 * config/i386/i386.c (ix86_expand_sse_unpack): New.
4854 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
4855 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
4856 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
4857 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
4858 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
4859 vec_unpacks_lo_v4si): New.
4861 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4863 * tree-vect-transform.c (vectorizable_type_demotion): New function.
4864 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
4865 (vect_analyze_operations): Call vectorizable_type_demotion.
4866 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
4867 stmt_vec_info_type value.
4868 (vectorizable_type_demotion): New function declaration.
4869 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4872 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
4873 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
4875 * tree-iniline.c (estimate_num_insns_1): Likewise.
4876 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4877 * optabs.c (optab_for_tree_code): Likewise.
4879 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
4880 compared against the predicate of the result is not 'mode' (the input
4881 to the function) but a mode with half the size of 'mode'.
4882 (init_optab): Initialize new optabs.
4883 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
4885 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
4887 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
4888 (vec_pack_usat_optab): Initialize new optabs.
4889 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
4890 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
4892 2006-11-08 Richard Henderson <rth@redehat.com>
4894 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
4895 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
4896 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
4897 (vec_interleave_highv4si, vec_interleave_lowv4si):
4898 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
4900 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4902 * tree-vect-transform.c (vectorizable_reduction): Support multiple
4904 (vect_transform_stmt): Removed redundant code.
4906 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4908 * tree-vect-transform.c (vectorizable_operation): Support multiple
4911 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4913 * tree-vect-transform.c (vect_align_data_ref): Removed.
4914 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
4915 Updated function documentation. Return the increment stmt in ptr_incr.
4916 (bump_vector_ptr): New function.
4917 (vect_get_vec_def_for_stmt_copy): New function.
4918 (vect_finish_stmt_generation): Create a stmt_info to newly created
4920 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
4922 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
4923 VF is greater than the number of elements that can fit in one vector
4925 (vectorizable_operation, vectorizable_condition): Likewise.
4926 (vectorizable_store, vectorizable_load): Support the case that the VF
4927 is greater than the number of elements that can fit in one vector word.
4928 (vect_transform_loop): Don't fail in case of multiple data-types.
4929 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
4930 in case of multiple data-types; the smallest type determines the VF.
4931 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
4932 if they are of different sizes.
4933 (vect_update_misalignment_for_peel): Compare misalignments in terms of
4934 number of elements rather than number of bytes.
4935 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
4936 (vect_can_advance_ivs_p): Fix a dump printout
4938 2006-11-07 Eric Christopher <echristo@apple.com>
4940 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
4941 (__bswapsi2): Ditto.
4942 * libgcc2.h: Remove transformation of bswap routines.
4943 * config/i386/i386.md (bswapsi2): New.
4946 2006-11-07 Jakub Jelinek <jakub@redhat.com>
4948 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
4949 (handle_gnu_inline_attribute): New function.
4950 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
4951 (merge_decls, start_decl, start_function): Likewise.
4952 * doc/extend.texi: Document gnu_inline attribute.
4954 2006-11-07 Steve Ellcey <sje@cup.hp.com>
4957 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
4958 _fixunstfdi, and _floatditf
4960 2006-11-06 Anatoly Sokolov <aesok@post.ru>
4962 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
4964 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
4965 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
4966 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
4967 which start in an odd register.
4969 2006-11-07 Richard Sandiford <richard@codesourcery.com>
4971 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
4973 2006-11-07 Josh Conner <jconner@apple.com>
4975 * doc/invoke.texi (fstrict-aliasing): Move implementation
4977 * doc/tree-ssa.texi (Alias analysis): ...here.
4979 2006-11-07 Richard Guenther <rguenther@suse.de>
4981 PR tree-optimization/29610
4982 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
4983 of tree_purge_dead_eh_edges as it may free dominators.
4985 * g++.dg/other/pr29610.C: New testcase.
4987 2006-11-07 David Ung <davidu@mips.com>
4989 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
4990 costs when optimizing for size.
4991 (override_options): Use mips_rtx_cost_optimize_size table for cost
4994 2006-11-07 Jie Zhang <jie.zhang@analog.com>
4996 * gcc.c (process_command): Treat -b as normal switch if its argument
4999 2006-11-07 David Ung <davidu@mips.com>
5001 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5004 2006-11-06 Eric Christopher <echristo@apple.com>
5006 * config.gcc: Add x86_64-darwin host support.
5007 * config.host: Ditto.
5008 * config/i386/darwin64.h: New file.
5009 * config/i386/t-darwin64: Ditto.
5011 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5013 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5014 and output-exists-not.
5016 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5019 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5020 checking for overflow.
5022 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5024 * configure.ac: Fixed typo in case statement: :: changed to ;;
5026 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5028 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5029 count_leading_zeros, and count_trailing_zeros.
5030 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5031 (TARGET_FOLD_BUILTIN): Define.
5032 (TARGET_EXPAND_BUILTIN): Define.
5033 (xtensa_init_builtins): New.
5034 (xtensa_fold_builtin): New.
5035 (xtensa_expand_builtin): New.
5036 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5037 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5038 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5039 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5040 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5041 (any_extend): New code macro.
5042 (u, su): New code attributes.
5043 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5044 (nsau): Remove; replaced by clzsi2.
5045 (ffssi2): Use clzsi2.
5046 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5047 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5048 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5049 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5050 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5052 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5054 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5056 * config/arm/t-strongarm-elf: Likewise.
5057 * config/arm/t-pe: Likewise.
5058 * config/arm/t-arm-elf: Likewise.
5059 * config/arm/t-xscale-elf: Likewise.
5060 * config/arm/t-arm-coff: Likewise.
5061 * config/arm/t-xscale-coff: Likewise.
5062 * config/arm/t-wince-pe: Likewise.
5064 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5066 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5069 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5072 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5075 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5078 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5079 as a valid 80387 constant.
5080 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5081 * config/i386/i386.md (unnamed splitter): Split the load of
5082 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5085 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5087 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5088 from the soft-frame, argument and virtual registers.
5090 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5092 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5093 patterns for standard 80387 constants.
5095 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5096 Steven Bosscher <steven@gcc.gnu.org>
5098 * fwprop.c: New file.
5099 * Makefile.in: Add fwprop.o.
5100 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5101 * passes.c (init_optimization_passes): Schedule forward propagation.
5102 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5104 * timevar.def (TV_FWPROP): New.
5105 * common.opt (-fforward-propagate): New.
5106 * opts.c (decode_options): Enable forward propagation at -O2.
5107 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5108 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5109 canon_for_address, table_size): Remove.
5110 (new_basic_block, insert, remove_from_table): Remove references to
5112 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5113 simplification loop more straightforward by not calling fold_rtx
5115 (equiv_constant): Move here a small part of fold_rtx_subreg,
5116 do not call fold_rtx. Call avoid_constant_pool_reference
5118 * recog.h (canonicalize_change_group): New.
5120 * doc/invoke.texi (Optimization Options): Document fwprop.
5121 * doc/passes.texi (RTL passes): Document fwprop.
5123 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5125 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5126 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5127 (grokdeclarator): Likewise.
5129 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5131 * tree-dump.c (dump_enable_all): Rename local variable
5132 ir_type to avoid name conflicts.
5133 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5134 instead of using ir_type().
5135 * profile.c (tree_register_profile_hooks): Likewise.
5136 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5137 * basic-block.h (struct edge_def): Likewise.
5138 * config/arm/arm.c (legitimize_pic_address): Likewise.
5139 * coretypes.h (ir_type): New enum of all intermediate languages
5141 * cfghooks.c (ir_type): Rename to...
5142 (current_ir_type): ...this. Distinguish between cfgrtl and
5143 cfglayout mode when the current IR is RTL. Return enum ir_type.
5144 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5146 2006-11-03 Paul Brook <paul@codesourcery.com>
5148 * config/arm/arm.c (arm_file_start): New function.
5149 (TARGET_ASM_FILE_START): Define.
5150 (arm_default_cpu): New variable.
5151 (arm_override_options): Set arm_default_cpu.
5153 2006-11-03 David Ung <davidu@mips.com>
5155 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5156 PROCESSOR_24KC and PROCESSOR_24KF.
5157 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5158 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5159 (mips_rtx_cost_data): Add costs for the 24kc.
5160 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5161 * config/mips/24k.md: Remove references to 24k and replace with
5162 uses of 24kc/24kf in the appropriate reservations.
5163 * doc/invoke.texi (MIPS Options): Updated.
5165 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5167 * config/sh/crt1.asm: Fix #ifdef indent.
5169 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5170 Merged from STMicroelectronics sources:
5171 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5172 * config/sh/crt1.asm (vbr_600): Add missing #if.
5173 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5174 * sh.opt (mfused-madd): New option.
5175 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5176 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5177 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5178 Remove pointless handler at VBR+0.
5179 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5180 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5181 fr7. Make sure the timer handler is called with the correct FPU
5182 precision setting, according to the ABI.
5183 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5184 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5185 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5186 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5187 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5188 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5189 zero as second operand.
5190 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5191 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5192 Fixed some bugs related to negative values, in particular -0
5193 and overflow at -0x80000000.
5194 * config/sh/divcost-analysis: Added sh4-300 figures.
5195 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5196 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5197 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5198 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5199 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5200 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5202 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5204 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5205 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5206 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5207 mac_mem, mem_mac, dfp_mul, fp_cmp.
5208 (insn_class, dfp_comp, any_fp_comp): Update.
5209 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5210 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5211 (muldf3_i): Likewise.
5212 (movsi_i): Split rI08 alternative into two separate alternatives.
5214 (movsi_ie, movsi_i_lowpart): Likewise.
5215 (movqi_i): Split ri alternative into two separate alternatives.
5217 * sh1.md (sh1_load_store, sh1_fp): Update.
5218 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5219 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5220 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5221 (sh4a_fp_double_arith): Likewise.
5222 * sh4-300.md: New file.
5223 * sh.c (sh_handle_option): Handle m4-300* options.
5224 (sh_adjust_cost): Fix latency of auto-increments.
5225 Handle SH4-300 differently than other SH4s. Check for new insn types.
5226 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5227 been set by an option.
5228 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5229 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5230 (mbranch-cost=): Likewise.
5231 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5233 * sh.md (mulsf3): Remove special expansion code.
5234 (mulsf3_ie): Now a define_insn_and_split.
5235 (macsf3): Allow for TARGET_SH4.
5237 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5238 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5239 (expand_cbranchdi4): Likewise.
5240 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5241 CONST_DOUBLE if the outer code is COMPARE.
5242 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5243 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5244 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5245 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5246 Remove redundant fp_{zero,one}_operand checks.
5247 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5248 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5249 (expand_cbranchdi4): Likewise.
5250 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5251 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5253 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5255 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5258 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5260 * doc/invoke.texi: Fix mfp-trap-mode typo.
5262 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5264 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5265 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5266 file_end_indicate_exec_stack.
5267 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5269 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5270 for a non-executable stack.
5271 * crti.asm: Likewise.
5272 * crtn.asm: Likewise.
5273 * libunwind.S: Likewise.
5275 2006-11-02 Ben Elliston <bje@au.ibm.com>
5277 * tree-ssa.c (warn_uninit): Use expand_location variables for
5278 locus and declaration locus.
5280 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5283 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5284 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5285 cmp{eq,gt,gtu}{si,di}_media.
5286 (*cmpne0si_media): Remove.
5287 (*movsicc_umin): Adjust gen_cmp*_media call.
5288 (unordered): Change the mode of unordered and operands[1] to
5290 (seq): Adjust gen_cmp*_media calls. Make the mode of
5291 a temporary result of compare SImode if needed. If the mode
5292 of operands[0] is DImode, extend the temporary result to DImode.
5293 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5294 (sunorderd): Change the mode of match_operand and unorderd to
5296 (cmpeq{sf,df}_media): Remove.
5297 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5298 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5299 and compare operation to SImode.
5301 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5303 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5305 (sparc64-sun-solaris2*): Likewise.
5307 2006-11-02 Paul Brook <paul@codesourcery.com>
5309 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5310 from priority argument. Use different section for non-default
5312 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5314 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5317 * except.c (switch_to_exception_section): Do not cache the section
5318 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5319 and flag_function_sections is set.
5321 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5324 * builtins.c (do_mpfr_sincos): New.
5325 (fold_builtin_1): Use it to fold builtin sincos.
5327 2006-11-01 Roger Sayle <roger@eyesopen.com>
5329 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5330 it into -D_REENTRANT.
5332 2006-11-01 Roger Sayle <roger@eyesopen.com>
5334 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5335 whether the assembler supports taking the difference of symbols in
5336 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5337 * configure: Regenerate.
5338 * config.in: Regenerate.
5339 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5340 the assembler doesn't support taking the difference of symbols in
5341 different sections, i.e. we're using the native solaris assembler.
5343 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5344 Peter Bergner <bergner@vnet.ibm.com>
5346 * doc/invoke.texi: Add cpu_type power6x
5347 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5348 * config.gcc: Add cpu_type power6x.
5349 * configure.ac: Add test for mf{t,f}gpr instructions.
5350 (HAVE_AS_MFPGPR): New.
5351 * config.in: Regenerate.
5352 * configure: Regenerate.
5353 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5354 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5355 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5356 and mftgpr attributes.
5357 (define_attr "cpu"): Add power6.
5358 Change instruction sequences to use new attributes.
5359 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5360 (fix_truncdfsi2_mfpgpr): New.
5361 (floatsidf_ppc64_mfpgpr): New.
5362 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5363 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5364 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5365 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5366 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5367 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5368 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5369 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5370 cntlz,exts and var_delayed_compare.
5371 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5372 _ARCH_PWR6X, if features enabled.
5373 * config/rs6000/rs6000.opt (mmfpgpr): New.
5374 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5375 (cached_can_issue_more): New variable.
5376 (processor_costs): Add power6_cost.
5377 (rs6000_sched_init): New function.
5378 (is_dispatch_slot_restricted): Deleted.
5379 (set_to_load_agen): New function.
5380 (is_load_insn,is_store_insn): New functions.
5381 (adjacent_mem_locations): New function.
5382 (insn_must_be_first_in_group): New function.
5383 (insn_must_be_last_in_group): New function.
5384 (rs6000_sched_reorder): New function.
5385 (rs6000_sched_reorder2): New function.
5386 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5387 TARGET_SCHED_REORDER2): Define.
5388 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5389 Add power6x. Add MASK_MFPGPR for power6x.
5390 (POWERPC_MASKS): Add MASK_MFPGPR.
5391 (rs6000_override_options): Set rs6000_always_hint to false
5392 for power6. Set rs6000_align_branch_targets. Replace
5393 rs6000_sched_groups check with rs6000_align_branch_targets.
5394 Use PROCESSOR_POWER6.
5395 (last_scheduled_insn): New variable.
5396 (load_store_pendulum): New variable.
5397 (rs6000_variable_issue): Set last_scheduled_insn and
5398 cached_can_issue_more.
5399 (rs6000_adjust_cost): Add power6 cost adjustments.
5400 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5401 with insn_must_be_first_in_group. Add power6 priority adjustments.
5402 (rs6000_issue_rate): Add CPU_POWER6.
5403 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5404 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5405 (TARGET_MFPGPR): New.
5406 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5407 (ASM_CPU_SPEC): Add power6x.
5408 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5410 * config/rs6000/power6.md: New file.
5412 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5414 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5415 HOST_WIDE_INT_PRINT to print high and low parts. Use
5416 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5417 printing a hexadecimal number prefix it with 0x.
5419 2006-11-01 Chris Johns <chris@contemporary.net.au>
5422 * Makefile.in (install-driver): Use exeext when installing
5423 $target-gcc-$version.
5425 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5427 * c-common.c (flag_cpp0x): New.
5428 * c-common.h (flag_cpp0x): New.
5429 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
5430 supported, define __GXX_EXPERIMENTAL_CPP0X__.
5431 * c-opts.c (set_std_cxx0x): New.
5432 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
5433 * c.opt (std=c++0x): Document.
5434 (std=gnu++0x): Ditto.
5435 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
5436 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
5438 2006-11-01 Richard Guenther <rguenther@suse.de>
5440 * config/i386/i386.c (ix86_expand_rint): Fix issues with
5442 (ix86_expand_floorceildf_32): Likewise.
5443 (ix86_expand_floorceil): Likewise.
5444 (ix86_expand_trunc): Likewise.
5446 2006-10-31 Andrew Pinski <pinskia@gmail.com>
5448 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
5451 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
5453 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
5455 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
5457 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
5459 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
5460 * configure.ac (use_cxa_atexit): As a special case, don't test
5461 for libc definition of __cxa_atexit on mingw32
5462 * configure: Regenerate.
5463 * config.gcc (i[34567]86-pc-mingw32): Default to
5464 enable__cxa_atexit=yes.
5466 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5468 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
5470 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5473 * c-decl.c (start_struct): Don't create self-containing
5475 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5477 * config/rs6000/rs6000-protos.h
5478 (darwin_rs6000_special_round_type_align): New.
5479 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
5480 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
5482 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5484 * toplev.c (compile_file): Call final_write_globals
5485 even if there have been errors.
5487 2006-10-31 Eric Christopher <echristo@apple.com>
5488 Falk Hueffner <falk@debian.org>
5490 * doc/extend.texi (__builtin_bswap32): Document.
5491 (__builtin_bswap64): Ditto.
5492 * doc/libgcc.texi (bswapsi2): Document.
5494 * doc/rtl.texi (bswap): Document.
5495 * optabs.c (expand_unop): Don't widen a bswap.
5496 (init_optabs): Init bswap. Set libfuncs explicitly
5497 for bswapsi2 and bswapdi2.
5498 * optabs.h (OTI_bswap): New.
5499 (bswap_optab): Ditto.
5500 * genopinit.c (optabs): Handle bswap_optab.
5501 * tree.h (tree_index): Add TI_UINT32_TYPE and
5503 (uint32_type_node): New.
5504 (uint64_type_node): Ditto.
5505 * tree.c (build_common_tree_nodes_2): Initialize
5506 uint32_type_node and uint64_type_node.
5507 * builtins.c (expand_builtin_bswap): New.
5508 (expand_builtin): Call.
5509 (fold_builtin_bswap): New.
5510 (fold_builtin_1): Call.
5511 * fold-const.c (tree_expr_nonnegative_p): Return true
5513 * builtin-types.def (BT_UINT32): New.
5515 (BT_FN_UINT32_UINT32): Ditto.
5516 (BT_FN_UINT64_UINT64): Ditto.
5517 * builtins.def (BUILT_IN_BSWAP32): New.
5518 (BUILT_IN_BSWAP64): Ditto.
5519 * rtl.def (BSWAP): New.
5520 * genattrtab.c (check_attr_value): New.
5521 * libgcc2.c (__bswapSI2): New.
5522 (__bswapDI2): Ditto.
5523 * libgcc2.h (__bswapSI2): Declare.
5524 (__bswapDI2): Ditto.
5525 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
5526 * simplify-rtx.c (simplify_const_unary_operation): Return
5528 * libgcc-std.ver (__bwapsi2): Add.
5529 (__bswapdi2): Ditto.
5530 * reload1.c (eliminate_regs_1): Add bswap.
5531 (elimination_effects): Ditto.
5532 * config/i386/i386.h (x86_bswap): New.
5533 (TARGET_BSWAP): Use.
5534 * config/i386/i386.c (x86_bswap): Set.
5536 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5538 * coverage.c (coverage_checksum_string): Update comment.
5539 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5540 of get_file_function_name.
5541 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
5542 of get_file_function_name_long.
5543 * tree.c (get_file_function_name): Rename from
5544 get_file_function_name_long; improve comment; handle 'I' and 'D'
5545 specially when the target has ctor/dtor support; remove special
5547 (get_file_function_name): Remove.
5548 * tree.h (get_file_function_name): Rename from
5549 get_file_function_name_long.
5550 (get_file_function_name): Remove prototype.
5552 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5554 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
5555 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
5557 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
5558 Call dsymutil when compiling and linking one or more source files
5561 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5564 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
5566 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5568 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
5569 inline static functions in c99 mode.
5572 * doc/extend.texi (Inline): Update.
5573 * c-tree.h (struct language_function): Remove field 'extern_inline'.
5574 * c-decl.c (current_extern_inline): Delete.
5575 (pop_scope): Adjust test for an undefined nested function.
5576 Add warning about undeclared inline function.
5577 (diagnose_mismatched_decls): Update comments. Disallow overriding
5578 of inline functions in a translation unit in C99. Allow inline
5579 declarations in C99 at any time.
5580 (merge_decls): Boolize variables. Handle C99 'extern inline'
5582 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
5583 C99 inline semantics.
5584 (start_function): Don't clear current_extern_inline. Don't set
5586 (c_push_function_context): Don't push current_extern_inline.
5587 (c_pop_function_context): Don't restore current_extern_inline.
5590 * c-typeck.c (build_external_ref): Warn about static variables
5591 used in extern inline functions.
5592 * c-decl.c (start_decl): Warn about static variables declared
5593 in extern inline functions.
5595 2006-10-31 Roger Sayle <roger@eyesopen.com>
5598 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
5599 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
5600 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
5601 or y is an even integer.
5603 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
5606 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
5607 * gthr-posix95.h (__gthread_active_p): Likewise.
5609 2006-10-31 Richard Guenther <rguenther@suse.de>
5611 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
5612 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
5613 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
5614 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
5615 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
5616 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
5617 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
5618 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
5621 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
5623 * opts.c (decode_options): Disable CSE skip blocks.
5625 2006-10-30 Dirk Mueller <dmueller@suse.de>
5627 * c-common.h (strict_aliasing_warning): Fix whitespace.
5628 * c-decl (start_function): Move code for main decl warning ..
5629 * c-common.c (check_main_parameter_types): .. here.
5630 * c-common.h (check_main_parameter_types): Declare.
5632 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5635 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
5637 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
5639 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
5640 be a PARALLEL containing sets. Return false when out_pat is not
5643 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5645 * config/mips/mips.md (mul<mode>3): Split into...
5646 (mulsi3, muldi3): ...these separate patterns.
5648 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5650 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
5651 but with each set of options separated by spaces.
5653 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
5655 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
5656 dwarf_reg_size_table has been initialized.
5658 2006-10-30 Roger Sayle <roger@eyesopen.com>
5660 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
5661 * ddg.c (print_ddg_edge): Likewise.
5662 * dwarf2out.c (prune_unused_types_walk): Likewise.
5663 * ifcvt.c (noce_try_cmove_arith): Likewise.
5664 * langhooks.c (add_builtin_function): Likewise.
5665 * reg-stack.c (subst_stack_regs_pat): Likewise.
5666 * tree.c (expanded_location): Likewise.
5667 * tree-dump.c (dequeue_and_dump): Likewise.
5669 2006-10-30 David Daney <ddaney@avtrex.com>
5671 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
5673 2006-10-30 Jakub Jelinek <jakub@redhat.com>
5675 PR tree-optimization/29637
5676 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
5677 of the innertype is the innertype itself.
5679 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
5681 * dwarf2out.c (file_name_acquire): Correct typo.
5683 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
5685 * tree.h (tree_value_handle): Remove struct value_set declaration.
5686 Change value_set to bitmap_set.
5687 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
5688 * tree-vn.c (get_value_handle): Made inline and moved to
5690 * tree-flow-inline.h: (has_stmt_ann): New function.
5691 * tree-ssa-pre.c (expressions): New variable.
5692 (next_expression_id): Ditto.
5693 (alloc_expression_id): New function.
5694 (struct value_set): Remove.
5695 (get_expression_id): New function.
5696 (get_or_alloc_expression_id): Ditto.
5697 (expression_for_id): Ditto.
5698 (clear_expression_ids): Ditto.
5699 (FOR_EACH_EXPR_ID_IN_SET): New macro.
5700 (bb_value_sets): Renamed to bb_bitmap_sets.
5701 All value sets replaced with bitmap_sets.
5703 (BB_VISITED): New macro.
5704 (postorder): New variable.
5705 (add_to_value): Removed.
5706 (value_exists_in_set_bitmap): Ditto.
5707 (value_insert_into_set_bitmap): Ditto.
5710 (set_remove): Ditto.
5711 (set_contains_value): Ditto.
5712 (insert_into_set): Ditto.
5714 (find_leader): Ditto.
5715 (bitmap_set_subtract_from_value_set): Ditto.
5716 (value_insert_into_set): Ditto.
5717 (print_value_set): Ditto.
5718 (debug_value_set): Ditto.
5719 (constant_expr_p): New function.
5720 (bitmap_remove_from_set): Ditto.
5721 (bitmap_insert_into_set): Ditto.
5722 (bitmap_set_free): Ditto.
5723 (vh_compare): Ditto.
5724 (sorted_array_from_bitmap_set): Ditto.
5725 (bitmap_set_subtract): Ditto.
5726 (bitmap_set_equal): Ditto.
5727 (debug_bitmap_set): Ditto.
5728 (find_leader_in_sets): Ditto.
5729 (bitmap_set_replace_value): Modify for bitmapped sets.
5730 (phi_translate): Ditto.
5731 (phi_translate_set): Ditto.
5732 (bitmap_find_leader): Ditto.
5733 (valid_in_sets): Ditto.
5734 (union_contains_value): Ditto.
5736 (compute_antic_aux): Ditto. Mark changed blocks.
5737 (compute_antic): Ditto. Iterate in postorder and only over
5739 (compute_rvuse_and_antic_safe): Reuse postorder.
5740 (create_component_ref_by_pieces): Modify for bitmapped sets.
5741 (find_or_generate_expression): Ditto.
5742 (create_expression_by_pieces): Ditto.
5743 (insert_into_preds_of_block): Ditto.
5744 (changed_blocks): New variable.
5745 (do_regular_insertion): Broken out from insert_aux.
5746 (insert_aux): Modified for bitmapped sets.
5747 (find_existing_value_expr): New function.
5748 (create_value_expr_from): Use it.
5749 (insert_extra_phis): Removed.
5750 (print_bitmap_set): Renamed from bitmap_print_value_set.
5751 (compute_avail): Handle RETURN_EXPR.
5752 (init_pre): Modify for bitmapped sets.
5753 * tree-flow.h (has_stmt_ann): New function.
5755 2006-10-29 Roger Sayle <roger@eyesopen.com>
5757 * builtins.c (fold_builtin_floor): Check for the availability of
5758 the C99 trunc function before transforming floor into trunc.
5760 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5762 * builtins.c (fold_builtin_hypot): Rearrange recursive
5763 transformation before others, and also do ABS_EXPR. When
5764 necessary, check flag_unsafe_math_optimizations. When necessary,
5767 2006-10-29 Roger Sayle <roger@eyesopen.com>
5769 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
5770 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
5771 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
5772 Fold -X eq/ne -Y as X eq/ne Y.
5774 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5776 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
5777 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
5778 rather than GENERATE_MULT3_SI in the various define_peephole2s.
5779 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
5780 Use an inclusive test for "mult" rather than "mul".
5781 (rotr<mode>3): Depend on ISA_HAS_ROR.
5782 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
5784 (GENERATE_MULT3_DI): Delete.
5785 (ISA_HAS_64BIT_REGS): Use consistent formatting.
5786 (ISA_HAS_MUL3): New macro.
5787 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
5788 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
5789 (ISA_HAS_CLZ_CLO): Likewise.
5790 (ISA_HAS_DCLZ_DCLO): Delete.
5791 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
5792 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
5793 the VR4120 and VR4130.
5794 (ISA_HAS_MACCHI): Use consistent formatting.
5795 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
5796 (ISA_HAS_ROR): ...this new macro.
5797 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
5798 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
5799 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
5801 2006-10-29 Roger Sayle <roger@eyesopen.com>
5803 PR tree-optimization/15458
5804 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
5807 2006-10-29 Richard Guenther <rguenther@suse.de>
5809 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
5810 (ix86_expand_truncdf_32): Likewise.
5811 * config/i386/i386.c (ix86_expand_trunc): New function expanding
5812 trunc inline for SSE math and -fno-trapping-math and if not
5813 optimizing for size.
5814 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
5815 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
5816 for expanding btrunc inline for SSE math.
5818 2006-10-29 Joseph Myers <joseph@codesourcery.com>
5820 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
5821 Handle tuning for bi-arch i[34567]86-*-linux* like that for
5822 i[34567]86-*-solaris2.1[0-9]*.
5823 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
5824 Define conditionally depending on TARGET_64BIT_DEFAULT.
5825 (SPEC_32, SPEC_64): Define.
5826 (LINK_SPEC): Use them.
5827 * doc/install.texi (--enable-targets=all): Document for x86-linux.
5829 2006-10-29 Richard Guenther <rguenther@suse.de>
5831 * config/i386/i386-protos.h (ix86_expand_round): Declare.
5832 (ix86_expand_rounddf_32): Likewise.
5833 * config/i386/i386.c (ix86_expand_round): New function expanding
5834 round inline for SSE math and -fno-trapping-math and if not
5835 optimizing for size.
5836 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
5837 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
5838 round via ix86_expand_round.
5840 2006-10-29 Richard Guenther <rguenther@suse.de>
5842 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
5843 (ix86_expand_floorceildf_32): Likewise.
5844 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
5845 static helper function.
5846 (ix86_expand_floorceil): Expander for floor and ceil to SSE
5848 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
5849 * config/i386/i386.md (floordf2): Adjust to enable floor
5850 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
5851 -fno-trapping-math is enabled and if not optimizing for size.
5852 (floorsf2, ceildf2, ceilsf2): Likewise.
5853 * config/i386/sse.md (sse_maskcmpsf3): New insn.
5854 (sse2_maskcmpdf3): Likewise.
5856 2006-10-29 Richard Guenther <rguenther@suse.de>
5858 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
5859 rint in case -fno-trapping-math is enabled.
5860 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
5861 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
5862 (ix86_expand_sse_fabs): Likewise.
5863 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
5864 * config/i386/i386.md (rintdf2): Enable for SSE math if
5865 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
5866 (rintsf2): Likewise.
5868 2006-10-29 Richard Guenther <rguenther@suse.de>
5870 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
5871 to conversion optabs.
5872 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
5873 as conversion optab.
5874 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
5875 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
5876 (lfloor_optab, lceil_optab): Adjust defines.
5877 * builtins.c (expand_builtin_int_roundingfn): Adjust for
5878 lfloor and lceil optabs now being conversion optabs.
5879 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
5880 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
5881 New static helper function.
5882 (ix86_expand_lfloorceil): New function to expand lfloor and
5884 * config/i386/i386.md (lfloor<mode>2): Split into ...
5885 (lfloorxf<mode>2): ... x87 variant
5886 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
5887 using ix86_expand_lfloorceil.
5888 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
5890 * doc/md.texi (lfloorMN, lceilMN): Document.
5892 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5894 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
5895 -mno-shared assembler option on mips targets.
5896 * configure, config.in: Regenerate.
5897 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
5898 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
5899 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
5901 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5903 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
5904 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
5906 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
5908 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
5909 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
5912 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5915 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
5916 (fold_builtin_pow): Evaluate constant arguments at compile-time
5918 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
5919 (do_mpfr_ckconv): New helper function.
5920 (do_mpfr_arg1): Use do_mpfr_ckconv.
5921 (do_mpfr_arg2): New.
5923 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
5926 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
5927 (-fdump-rtl-sched): Rename to ..
5928 (-fdump-rtl-sched1): here. Also fix file extension number.
5930 2006-10-28 Richard Guenther <rguenther@suse.de>
5932 * fold-const.c (maybe_canonicalize_comparison): Fix code
5935 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5937 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
5938 (NON_QI_REG_P): Use IN_RANGE.
5939 (REX_INT_REGNO_P): Use IN_RANGE.
5940 (FP_REGNO_P): Use IN_RANGE.
5941 (SSE_REGNO_P): Use IN_RANGE.
5942 (REX_SSE_REGNO_P): Use IN_RANGE.
5943 (MMX_REGNO_P): Use IN_RANGE.
5944 (STACK_REGNO_P): New macro.
5945 (STACK_REG_P): Use STACK_REGNO_P.
5946 (NON_STACK_REG_P): Use STACK_REGNO_P.
5947 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
5948 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
5949 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
5950 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
5951 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
5953 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
5955 * except.h (output_function_exception_table): Add 'const char*' param.
5956 * except.c (switch_to_exception_section): Add 'const char*' param.
5957 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5958 and flag_function_sections is set, use a function-specific section.
5959 (output_function_exception_table): Add 'const char*' param.
5960 Adjust call to switch_to_exception_section.
5961 * final.c (rest_of_handle_final): Adjust calls to
5962 output_function_exception_table.
5963 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
5964 * config.in: Regenerate.
5965 * configure: Likewise.
5967 2006-10-28 Richard Guenther <rguenther@suse.de>
5970 * fold-const.c (maybe_canonicalize_comparison_1): Helper
5971 for maybe_canonicalize_comparison.
5972 (maybe_canonicalize_comparison): New function for canonicalizing
5974 (fold_comparison): Call it to canonicalize comparisons with
5977 2006-10-28 Richard Guenther <rguenther@suse.de>
5980 * builtins.c (expand_builtin_int_roundingfn_2): Expand
5981 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
5982 (expand_builtin): Adjust likewise.
5983 * genopinit.c (optabs[]): Add lround optab.
5984 * optabs.c (init_optabs): Initialize lround_optab.
5985 * optabs.h (enum convert_optab_index): Add COI_lround.
5986 (lround_optab): Define.
5987 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
5988 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
5990 (ix86_expand_lround): New function.
5991 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
5993 * doc/md.texi (lroundMN2): Document.
5995 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5998 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
5999 argument to HOST_WIDE_INT. Update function prototype.
6000 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6001 "size" argument to HOST_WIDE_INT. Update function prototype.
6003 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6005 * config/i386/i386.c (output_387_ffreep): Create output from a
6006 template string for !HAVE_AS_IX86_FFREEP.
6008 2006-10-27 Eric Christopher <echristo@apple.com>
6010 * config/darwin.c: Fix formatting and grammar.
6012 2006-10-27 Jan Hubicka <jh@suse.cz>
6014 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6015 to be thrown away soon when IGNORE is set.
6016 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6017 indicating when return value shall not be computed.
6018 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6020 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6022 * config/i386/i386.h (TARGET_GEODE):
6023 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6024 (TARGET_CPU_DEFAULT_geode): New macro.
6025 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6026 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6027 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6028 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6029 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6031 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6032 (processor_type): Add PROCESSOR_GEODE.
6034 * config/i386/i386.md: Include geode.md.
6037 * config/i386/i386.c (geode_cost): New initialized global
6039 (m_GEODE, m_K6_GEODE): New macros.
6040 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6041 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6042 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6043 x86_schedule): Use m_K6_GEODE instead of m_K6.
6044 (x86_movx, x86_cmove): Set up m_GEODE.
6045 (x86_integer_DFmode_moves): Clear m_GEODE.
6046 (processor_target_table): Add entry for geode.
6047 (processor_alias_table): Ditto.
6049 * config/i386/geode.md: New file.
6051 * doc/invoke.texi: Add entry about geode processor.
6053 2006-10-27 Mike Stump <mrs@apple.com>
6055 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6056 __DYNAMIC__ from here back to ...
6057 * config/darwin.h (CPP_SPEC): ... here.
6059 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6060 Nathan Sidwell <nathan@codesourcery.com>
6062 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6063 when choosing the minimum heapsize.
6065 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6067 * gcc/unwind-dw2.h: Move cfa-related variables into
6068 struct frame_state_reg_info to ensure that the CFA is properly
6069 handled when executing DW_CFA_{remember,restore}_state.
6070 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6071 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6072 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6073 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6074 gcc/config/rs6000/linux-unwind.h,
6075 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6076 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6077 Modify to use new cfa_* fields.
6079 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6081 * config/s390/s390.c (s390_init_frame_layout): Check positive
6084 2006-10-26 Ben Elliston <bje@au.ibm.com>
6086 * gimplify.c (get_name): Remove extraneous break.
6087 (gimplify_omp_for): Initialise ret with GS_OK.
6089 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6091 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6092 Add unix98.o to link line.
6094 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6097 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6098 Calculate compile-time constants using MPFR.
6099 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6100 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6102 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6104 * config/xtensa/lib2funcs.S: Use C-style comments.
6106 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6108 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6109 (file_table_relative_p): Likewise.
6110 (dwarf2out_finish): Likewise.
6111 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6113 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6115 * tree-ssa-structalias.c (intra_create_variable_infos):
6116 Don't recreate nonlocal_all if it already exists.
6118 2006-10-25 Richard Guenther <rguenther@suse.de>
6121 * optabs.h (enum optab_index): Remove OTI_lrint.
6122 (enum convert_optab_index): Add COI_lrint.
6123 (lrint_optab): Adjust.
6124 (expand_sfix_optab): Declare.
6125 * optabs.c (expand_sfix_optab): New function.
6126 (init_optabs): Init lrint_optab as conversion optab.
6127 * genopinit.c (lrint_optab): Change to a conversion optab.
6128 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6129 expansion via conversion optab.
6130 * config/i386/i386.md (*fistdi2_1): Remove
6131 flag_unsafe_math_optimizations guard.
6132 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6133 fist<mode>2_with_temp): Likewise.
6134 (lrint<mode>2): Split into...
6135 (lrintxf<mode>2): ... x87 part
6136 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6137 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6138 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6139 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6140 * doc/md.texi (lrintMN2): Document.
6142 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6145 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6146 Use inc and dec instructions for TARGET_USE_INCDEC.
6147 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6148 ("sync_double_compare_and_swap<mode>"): Likewise.
6149 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6150 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6151 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6152 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6153 ("sync_old_add<mode>"): Likewise.
6154 ("sync_lock_test_and_set<mode>"): Likewise.
6155 ("sync_lock_test_and_set<mode>"): Likewise.
6156 ("sync_add<mode>"): Likewise.
6157 ("sync_sub<mode>"): Likewise.
6158 ("sync_ior<mode>"): Likewise.
6159 ("sync_and<mode>"): Likewise.
6160 ("sync_xor<mode>"): Likewise.
6162 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6164 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6165 (remainder_optab): Define corresponding macro.
6166 (drem_optab): Remove.
6167 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6168 drem_optab initialization.
6169 * genopinit.c (optabs): Implement remainder_optab using
6170 remainder?f3 patterns. Remove drem_optab.
6171 * builtins.c (expand_builtin_mathfn_2): Handle
6172 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6173 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6174 expand_builtin_mathfn_2.
6176 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6177 depend on flag_unsafe_math_optimizations.
6179 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6180 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6181 Do not depend on flag_unsafe_math_optimizations. Use
6182 truncxf?f expander instead of truncxf?f_i387_noop.
6184 ("fpremxf4", "fprem1xf4"): Do not depend on
6185 flag_unsafe_math_optimizations.
6186 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6187 flag_unsafe_math_optimizations. Use truncxf?f expander
6188 instead of truncxf?f_i387_noop.
6190 * doc/md.texi (fmod, remainder): Document standard named pattern.
6192 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6193 David Daney <ddaney@avtrex.com>
6196 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6198 2006-10-25 Ben Elliston <bje@au.ibm.com>
6200 * doc/extend.texi (Variable Attributes): Typo fix.
6202 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6204 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6205 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6206 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6207 (FRAME_POINTER_REGNUM): Update register number to 21.
6208 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6209 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6211 * config/i386/i386.c (regclass_map): Add fpcr entry.
6212 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6214 (print_reg): Assert REGNO (x) != FPCR_REG.
6216 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6217 (DIRFLAG_REG): Renumber.
6218 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6219 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6220 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6221 hardcoded SSE register numbers.
6223 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6224 hardcoded MMX register numbers.
6226 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6229 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6230 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6232 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6233 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6234 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6235 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6237 2006-10-24 Richard Guenther <rguenther@suse.de>
6240 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6241 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6242 for deciding optimizations in consistency with fold-const.c
6243 (fold_builtin_unordered_cmp): Likewise.
6245 2006-10-24 Richard Guenther <rguenther@suse.de>
6247 * builtins.c (fold_builtin_floor): Fold floor (x) where
6248 x is nonnegative to trunc (x).
6249 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6250 nonnegative to FIX_TRUNC_EXPR.
6252 2006-10-24 Richard Guenther <rguenther@suse.de>
6254 PR tree-optimization/29567
6255 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6256 for TRUTH_NOT_EXPR. Clarify comments.
6258 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6261 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6262 at compile-time using MPFR. Change parameter VALUE to FUNC,
6264 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6265 for overflow and underflow at all times and avoid folding in
6268 2006-10-24 Ben Elliston <bje@au.ibm.com>
6270 * reload1.c: Formatting fixes.
6272 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6274 PR tree-optimization/14784
6275 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6276 * tree-ssa-structalias.c (get_constraint_for,
6277 intra_create_variable_infos): Set is_heapvar.
6278 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6279 non-heapvar pointer variables specially.
6281 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6284 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6285 fold_builtin_tan): Fold all constant arguments. Take a "type"
6286 argument as necessary.
6287 (do_mpfr_arg1): New.
6288 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6290 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6292 * config/xtensa/lib1funcs.asm: Use C-style comments.
6294 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6296 * tree.c (local_define_builtin): Replace calls to
6297 lang_hooks.builtin_function with add_builtin_function.
6298 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6300 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6302 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6303 common code to add_builtin_function.
6304 * langhooks.c (add_builtin_function): New function.
6305 (lhd_builtin_function): New function.
6306 * langhooks.h (struct lang_hooks): Change the signature of
6308 (add_builtin_function): New function.
6309 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6310 calls to lang_hooks.builtin_function with add_builtin_function.
6311 * c-common.c (decl_builtin_1): Replace calls to
6312 lang_hooks.builtin_function with add_builtin_function.
6313 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6314 lang_hooks.builtin_function with add_builtin_function.
6315 * config/frv/frv.c (def_builtin): Replace calls to
6316 lang_hooks.builtin_function with add_builtin_function.
6317 * config/s390/s390.c (s390_init_builtins): Replace calls to
6318 lang_hooks.builtin_function with add_builtin_function.
6319 * config/sparc/sparc.c (def_builtin): Replace calls to
6320 lang_hooks.builtin_function with add_builtin_function.
6321 * config/i386/i386.c (def_builtin): Replace calls to
6322 lang_hooks.builtin_function with add_builtin_function.
6323 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6324 lang_hooks.builtin_function with add_builtin_function.
6325 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6326 lang_hooks.builtin_function with add_builtin_function.
6327 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6328 Replace calls to lang_hooks.builtin_function with
6329 add_builtin_function.
6330 * config/iq2000/iq2000.c (def_builtin):
6331 Replace calls to lang_hooks.builtin_function with
6332 add_builtin_function.
6333 * config/ia64/ia64.c (def_builtin): Replace calls to
6334 lang_hooks.builtin_function with add_builtin_function.
6335 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6336 lang_hooks.builtin_function with add_builtin_function.
6337 (altivec_init_builtins): Replace calls to
6338 lang_hooks.builtin_function with add_builtin_function.
6339 * config/arm/arm.c (def_mbuiltin): Replace calls to
6340 lang_hooks.builtin_function with add_builtin_function.
6341 (arm_init_tls_builtins): Replace calls to
6342 lang_hooks.builtin_function with add_builtin_function.
6343 * config/mips/mips.c (mips_init_builtins): Replace calls to
6344 lang_hooks.builtin_function with add_builtin_function.
6345 * config/bfin/bfin.c (def_builtin): Replace calls to
6346 lang_hooks.builtin_function with add_builtin_function.
6347 * langhooks-def.h (lhd_builtin_function): New function.
6348 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6350 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6352 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6353 BUILT_IN_STRNCAT_CHK.
6355 2006-10-23 Jan Hubicka <jh@suse.cz>
6357 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6358 don't do conversion from memmove to memcpy here.
6359 (expand_builtin_bcopy, expand_builtin): Update call of
6360 expand_builtin_memmove.
6361 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6363 2006-10-23 Paul Brook <paul@codesourcery.com>
6365 * stor-layout.c (start_record_layout): maximum_field_alignment
6366 overrides STRUCTURE_SIZE_BOUNDARY.
6368 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6370 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6371 nonlocal function symbols if flag_pic.
6373 2006-10-23 Richard Guenther <rguenther@suse.de>
6377 * builtins.c (fold_binary): Remove checks for flag_wrapv
6378 and flag_trapv where negate_expr_p covers these cases.
6380 2006-10-23 Richard Guenther <rguenther@suse.de>
6383 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6384 of two on the absolute value.
6385 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6386 and negating -C does not overflow.
6388 2006-10-23 Richard Guenther <rguenther@suse.de>
6391 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6392 only if not flag_rounding_math.
6394 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6395 Kaz Kojima <kkojima@gcc.gnu.org>
6398 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6399 SImode memory reference for the source of a movua.
6400 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6401 (movua): Use an unspec instead of sign_extract. Expect the source
6402 to have mode BLKmode.
6403 (extv, insv): Use a BLKmode rather than SImode memory reference
6404 for the source of a movua.
6406 2006-10-22 Jeff Law <law@redhat.com>
6407 Richard Guenther <rguenther@suse.de>
6409 PR tree-optimization/15911
6410 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6411 (register_edge_assert_for_1): Likewise.
6412 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6413 (find_conditional_asserts): Adjust for new function signature.
6414 (find_assert_locations): Likewise.
6416 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6418 * config/i386/tmmintrin.h: Remove the duplicated content.
6420 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6422 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6423 (x86_64-*-*): Likewise.
6425 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6426 (override_options): Check SSSE3.
6427 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
6428 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
6429 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
6430 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
6431 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
6432 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
6433 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
6434 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
6435 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
6436 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
6437 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
6438 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
6439 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
6440 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
6441 IX86_BUILTIN_PABSD128.
6442 (bdesc_2arg): Add SSSE3.
6443 (bdesc_1arg): Likewise.
6444 (ix86_init_mmx_sse_builtins): Support SSSE3.
6445 (ix86_expand_builtin): Likewise.
6446 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6448 * config/i386/i386.md (UNSPEC_PSHUFB): New.
6449 (UNSPEC_PSIGN): Likewise.
6450 (UNSPEC_PALIGNR): Likewise.
6451 Include mmx.md before sse.md.
6453 * config/i386/i386.opt: Add -mssse3.
6455 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
6456 (ssse3_phaddwv4hi3): Likewise.
6457 (ssse3_phadddv4si3): Likewise.
6458 (ssse3_phadddv2si3): Likewise.
6459 (ssse3_phaddswv8hi3): Likewise.
6460 (ssse3_phaddswv4hi3): Likewise.
6461 (ssse3_phsubwv8hi3): Likewise.
6462 (ssse3_phsubwv4hi3): Likewise.
6463 (ssse3_phsubdv4si3): Likewise.
6464 (ssse3_phsubdv2si3): Likewise.
6465 (ssse3_phsubswv8hi3): Likewise.
6466 (ssse3_phsubswv4hi3): Likewise.
6467 (ssse3_pmaddubswv8hi3): Likewise.
6468 (ssse3_pmaddubswv4hi3): Likewise.
6469 (ssse3_pmulhrswv8hi3): Likewise.
6470 (ssse3_pmulhrswv4hi3): Likewise.
6471 (ssse3_pshufbv16qi3): Likewise.
6472 (ssse3_pshufbv8qi3): Likewise.
6473 (ssse3_psign<mode>3): Likewise.
6474 (ssse3_psign<mode>3): Likewise.
6475 (ssse3_palignrti): Likewise.
6476 (ssse3_palignrdi): Likewise.
6477 (abs<mode>2): Likewise.
6478 (abs<mode>2): Likewise.
6480 * config/i386/tmmintrin.h: New file.
6482 * doc/extend.texi: Document SSSE3 built-in functions.
6484 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
6486 2006-10-22 Ira Rosen <irar@il.ibm.com>
6488 * tree-vect-transform.c (vectorizable_load): Use the type of the
6489 return value of the mask_for_load builtin to create realign_load
6492 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6494 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6497 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
6499 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
6500 (UNSPEC_LDDQU): This.
6501 * config/i386/sse.md (sse3_lddqu): Updated.
6503 2006-10-21 Richard Guenther <rguenther@suse.de>
6505 * builtins.c (expand_builtin_int_roundingfn_2): New function.
6506 (expand_builtin): Use it to expand lrint instead of
6507 expand_builtin_mathfn.
6509 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6512 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
6513 flag_unsafe_math_optimizations is set.
6515 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6518 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
6519 patterns to use memory input operand in x87->mem->XMM
6520 reload sequences. Skip transformation for TARGET_K8.
6522 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6524 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
6525 force operand1 to register if both operands are memory operands.
6526 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6527 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
6528 if both operands are memory operands.
6529 (truncdfsf2): Do not force operand1 to register if both operands
6530 are memory operands.
6532 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6534 * Makefile.in (LIBS): Add $(GMPLIBS).
6535 * doc/install.texi: Update GMP and MPFR requirements.
6536 * doc/sourcebuild.texi (need_gmp): Delete.
6538 2006-10-21 Richard Guenther <rguenther@suse.de>
6540 PR tree-optimization/3511
6541 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
6542 got new invariant arguments during PHI translation.
6544 2006-10-21 Richard Guenther <rguenther@suse.de>
6547 * fold-const.c (fold_comparison): Fold signed comparisons
6548 of the form X +- C1 CMP Y +- C2.
6550 2006-10-21 Richard Guenther <rguenther@suse.de>
6553 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
6554 if flag_unsafe_math_optimizations is specified. We have
6555 flag_finite_math_only for that.
6556 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
6557 or flag_unsafe_math_optimizations.
6559 2006-10-21 Richard Guenther <rguenther@suse.de>
6561 * builtins.c (fold_builtin_classify): Fix typo.
6563 2006-10-21 Richard Guenther <rguenther@suse.de>
6566 * simplify-rtx.c (simplify_const_relational_operation):
6567 Do not constant-fold ORDERED and UNORDERED for
6568 flag_unsafe_math_optimizations but only we do not need to
6569 honor NaNs for the given mode.
6571 2006-10-21 Richard Guenther <rguenther@suse.de>
6574 * config/i386/i386.c (classify_argument): Remove redundant
6575 walking of the BINFOs.
6576 (contains_128bit_aligned_vector_p): Likewise.
6578 2006-10-20 Mark Mitchell <mark@codesourcery.com>
6580 * BASE-VER: Set to 4.3.0.
6582 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
6584 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
6585 (tree_decl_with_vis): Remove artificial_pta_var flag.
6586 * tree-flow.h (referenced_var_check_and_insert): Expose.
6587 (nonlocal_all): New prototype.
6588 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
6589 (nonlocal_all): Make global.
6590 (nonlocal_lookup): Remove.
6591 (nonlocal_insert): Ditto.
6592 (create_nonlocal_var): Do not call nonlocal_insert.
6593 (get_nonlocal_id_for_type): Remove.
6594 (find_global_initializers): Mark new vars we find for renaming.
6595 (intra_create_variable_infos): Only create one nonlocal.
6596 (expand_nonlocal_solutions): Remove.
6597 (compute_points_to_sets): Don't call it.
6598 (ipa_pta_execute): Ditto.
6599 (init_alias_heapvars): Don't create nonlocal_for_type.
6600 (delete_alias_heapvars): Don't remove it.
6601 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
6604 2006-10-19 Brooks Moses <bmoses@stanford.edu>
6606 * doc/install.texi (Downloading GCC): Clarify mention of
6607 Fortran in the "full distribution" description.
6609 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
6611 Fix PR tree-optimization/28778
6612 Fix PR tree-optimization/29156
6613 Fix PR tree-optimization/29415
6614 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
6615 (tree_decl_with_vis): Add artificial_pta_var flag.
6616 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
6617 pushed into callers.
6618 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
6619 (nonlocal_all): Ditto.
6620 (struct variable_info): Add directly_dereferenced member.
6621 (var_escaped_vars): New variable.
6622 (escaped_vars_tree): Ditto.
6623 (escaped_vars_id): Ditto.
6624 (nonlocal_vars_id): Ditto.
6625 (new_var_info): Set directly_dereferenced.
6626 (graph_size): New variable
6627 (build_constraint_graph): Use graph_size.
6628 (solve_graph): Don't process constraints that cannot change the
6629 solution, don't try to propagate an empty solution to our
6631 (process_constraint): Set directly_dereferenced.
6632 (could_have_pointers): New function.
6633 (get_constraint_for_component_ref): Don't process STRING_CST.
6634 (nonlocal_lookup): New function.
6635 (nonlocal_insert): Ditto.
6636 (create_nonlocal_var): Ditto.
6637 (get_nonlocal_id_for_type): Ditto.
6638 (get_constraint_for): Allow results vector to be empty in the case
6639 of string constants.
6640 Handle results of calls properly.
6641 (update_alias_info): Update alias info stats on number and type of
6643 (find_func_aliases): Use could_have_pointers.
6644 (make_constraint_from_escaped): Renamed from
6645 make_constraint_to_anything, and changed to make constraints from
6647 (make_constraint_to_escaped): New function.
6648 (find_global_initializers): Ditto.
6649 (create_variable_info_for): Make constraint from escaped to any
6650 global variable, and from any global variable to the set of
6652 (intra_create_variable_infos): Deal with escaped instead of
6653 pointing to anything.
6654 (set_uids_in_ptset): Do type pruning on directly dereferenced
6656 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
6657 (init_base_vars): Fix comment, and initialize escaped_vars.
6658 (need_to_solve): Removed.
6659 (find_escape_constraints): New function.
6660 (expand_nonlocal_solutions): Ditto.
6661 (compute_points_to_sets): Call find_escape_constraints and
6662 expand_nonlocal_solutions.
6663 (delete_points_to_sets): Don't fall off the end of the graph.
6664 (init_alias_heapvars): Initialize nonlocal_for_type and
6666 (delete_alias_heapvars): Free nonlocal_for_type and null out
6669 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
6671 * fold-const.c (add_double): Rename to add_double_with_sign.
6672 Add 'unsigned_p' parameter and take it into account for the overflow.
6673 (mul_double): Rename to mul_double_with_sign.
6674 Add 'unsigned_p' parameter and take it into account for the overflow.
6675 (fold_div_compare): Call add_double_with_sign instead of add_double
6676 and mul_double_with_sign instead of mul_double, passing them the
6677 unsignedness of the type.
6678 * tree.h (add_double): Macroize.
6679 (add_double_with_sign): New prototype.
6680 (mul_double): Macroize.
6681 (mul_double_with_sign): New prototype.
6683 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
6685 * config/score/crti.asm: New file.
6686 * config/score/crtn.asm: New file.
6687 * config/score/elf.h: New file.
6688 * config/score/mac.md: New file.
6689 * config/score/misc.md: New file.
6690 * config/score/mul-div.S: New file.
6691 * config/score/predicates.md: New file.
6692 * config/score/score7.md: New file.
6693 * config/score/score.c: New file.
6694 * config/score/score-conv.h: New file.
6695 * config/score/score.h: New file.
6696 * config/score/score.md: New file.
6697 * config/score/score-mdaux.c: New file.
6698 * config/score/score-mdaux.h: New file.
6699 * config/score/score-modes.def: New file.
6700 * config/score/score.opt: New file.
6701 * config/score/score-protos.h: New file.
6702 * config/score/score-version.h: New file.
6703 * config/score/t-score-elf: New file.
6704 * config.gcc: Add score*-*-* configurations(Update before).
6705 * doc/invoke.texi (Score Options): New section.
6706 * doc/md.texi (Score family): New section to document constraints.
6708 2006-10-19 Nick Clifton <nickc@redhat.com>
6710 * config/arm/arm.c: Fix spelling typo.
6712 2006-10-18 Tom Tromey <tromey@redhat.com>
6714 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
6716 2006-10-18 Jan Hubicka <jh@suse.cz>
6719 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
6722 2006-10-18 Marcin Dalecki <martin@dalecki.de>
6724 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
6725 TSI_SAME_STMT, since that's the desired entity.
6727 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
6729 * config/s390/contraints.md: New file.
6730 * config/s390/s390-protos.h (s390_mem_constraint,
6731 s390_O_constraint_str, s390_N_constraint_str,
6732 s390_float_const_zero_p): Function prototypes added.
6733 * config/s390/s390.c (s390_extra_constraint_str,
6734 s390_const_double_ok_for_constraint_p,
6735 s390_const_ok_for_constraint_p): Functions removed.
6736 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
6737 s390_float_const_zero_p): New functions.
6738 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
6739 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
6740 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
6741 Macro definitions removed.
6742 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
6743 s390_extra_constraint_str): Functions removed.
6745 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
6746 Richard Sandiford <richard@codesourcery.com>
6749 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
6750 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
6752 2006-10-16 Geoffrey Keating <geoffk@apple.com>
6754 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
6755 (DWARF2_FRAME_REG_OUT): Likewise.
6756 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
6757 (DWARF2_FRAME_REG_OUT): Likewise.
6759 2006-10-17 Paul Brook <paul@codesourcery.com>
6761 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
6763 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6765 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
6766 Standardize on "GNU Fortran" as the official name of the Fortran
6769 2006-10-16 Mike Stump <mrs@apple.com>
6771 * doc/invoke.texi (Darwin Options): Document -mkernel.
6772 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
6774 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
6775 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
6776 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
6777 (OS_MISSING_ALTIVEC): Add.
6778 * config/i386/i386.c (override_options): Add
6779 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
6780 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
6781 -mkernel, -static or -mdynamic-no-pic is given.
6782 (C_COMMON_OVERRIDE_OPTIONS): Add.
6783 * config/darwin.opt (fapple-kext): Add.
6785 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
6786 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
6788 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
6789 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
6790 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
6791 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
6792 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
6793 (flag_mkernel): Add.
6794 (flag_apple_kext): Add.
6795 (TARGET_KEXTABI): Add.
6796 * config/darwin.c (darwin_handle_kext_attribute): Add.
6797 (DARWIN_VTABLE_P): Add.
6798 (darwin_binds_local_p): Add partial support for rebinding vtables
6800 (darwin_kextabi_p): Add.
6801 (darwin_override_options): Add.
6802 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
6803 (darwin_kextabi_p): Add.
6804 (darwin_override_options): Add.
6805 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
6806 __DYNAMIC__ and __STATIC__ here.
6808 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6810 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
6811 Added mention of "make pdf" target, and Texinfo requirements for
6814 2006-10-16 DJ Delorie <dj@redhat.com>
6816 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
6817 into the GOT in case we need a subreg of the address.
6819 2006-10-16 Richard Guenther <rguenther@suse.de>
6822 * doc/extend.texi (X86 Built-in Functions): Fix typos in
6823 SSE builtin documentation. Document SSE2 builtins.
6825 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6827 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
6828 symbol in the output file for non-shared links when -nostdlib or
6829 -nodefaultlibs isn't specified.
6831 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
6832 posix thread support.
6834 2006-10-15 Jan Hubicka <jh@suse.cz>
6837 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
6838 declared always_inline even when not inlining.
6840 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6841 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6842 Andrew Pinski <pinskia@gmail.com>
6845 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
6847 2006-10-15 Jan Hubicka <jh@suse.cz>
6848 Richard Guenther <rguenther@suse.de>
6851 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
6852 process_function_and_variable_attributes on all variables, including
6853 those discovered during cgraph construction phase.
6855 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
6857 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
6859 2006-10-14 Uros Bizjak <uros@kss-loka.si>
6861 * config/i386/athlon.md (athlon_fist): Add fisttp.
6863 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6864 Ian Lance Taylor <ian@airs.com>
6867 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
6868 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
6871 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
6873 * config/score/score.c, config/score/score.h: Fix comment
6876 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6879 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
6882 2006-10-13 Eric Christopher <echristo@apple.com>
6884 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
6886 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6889 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6890 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6891 alignment supported by 32-bit ELF.
6893 2006-10-13 Eric Christopher <echristo@apple.com>
6895 * config/darwin.c (darwin_emit_unwind_label): Strip
6896 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
6898 2006-10-13 Richard Guenther <rguenther@suse.de>
6900 PR tree-optimization/29446
6901 * tree-vrp.c (fix_equivalence_set): Remove.
6902 (extract_range_from_assert): Do not call fix_equivalence_set.
6903 (debug_value_range): Print a newline.
6904 (compare_name_with_value): For equivalence sets with
6905 inconsistent value ranges conservatively bail out.
6906 (compare_names): Likewise.
6908 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6910 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
6911 and MPFR for gfortran.
6913 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6915 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6916 alignment supported by 32-bit ELF.
6918 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
6922 * c-typeck.c (digest_init): Always allow initializing vectors
6923 that have static storage duration with compound literals.
6924 * tree.c (build_type_attribute_qual_variant): New, based on
6925 build_type_attribute_variant.
6926 (build_type_attribute_variant): Rewrite using the former.
6927 (make_vector_type): Use build_type_attribute_qual_variant to build
6928 type variants. Use type_hash_canon on the others.
6930 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
6931 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
6933 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
6935 2006-10-12 Jan Hubicka <jh@suse.cz>
6938 * c-decl.c (c_make_fname_decl): Do not segfault in case where
6939 current_function_decl is set but current_function_scope is not.
6941 2006-10-12 Jie Zhang <jie.zhang@analog.com>
6943 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
6944 emit_insn to emit eh_return_internal instruction.
6945 (eh_return_internal): Explicitly set pc.
6947 2006-10-11 Richard Guenther <rguenther@suse.de>
6949 PR tree-optimization/28230
6950 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
6951 to the correct place.
6953 2006-10-11 Richard Guenther <rguenther@suse.de>
6956 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
6959 2006-10-10 Brooks Moses <bmoses@stanford.edu>
6961 * configure.ac: Added pdf to "Make-hooks"
6962 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
6963 targets and *.pdf file patterns in cleanup targets.
6964 * configure: Regenerated.
6966 2006-10-10 Anatoly Sokolov <aesok@post.ru>
6968 * config/avr/predicates.md: New file.
6969 * config/avr/avr.md: Include it.
6970 (REG_SP): New constant.
6971 (peepholes): Use predicates.
6972 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
6973 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
6974 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
6976 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
6978 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
6981 2006-10-10 Jakub Jelinek <jakub@redhat.com>
6984 * builtins.c (var_decl_component_p): New function.
6985 (fold_builtin_memset, fold_builtin_memory_op): Restrict
6986 single entry optimization to variables and components thereof.
6988 2006-10-10 Richard Guenther <rguenther@suse.de>
6990 PR rtl-optimization/29323
6991 * except.c (set_nothrow_function_flags): For functions
6992 that do not bind local bail out early.
6994 2006-10-10 Ben Elliston <bje@au.ibm.com>
6996 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
6999 2006-10-09 Richard Henderson <rth@redhat.com>
7001 Revert emutls patch.
7003 2006-10-09 Richard Guenther <rguenther@suse.de>
7006 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7009 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7012 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7013 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7014 * configure: Regenerate.
7015 * config.in: Regenerate.
7017 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7019 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7021 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7023 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7024 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7025 Remove stray newline.
7027 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7029 * config/mips/mips.c (mips_classify_symbol): Do not return
7030 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7031 (mips_in_small_data_p): Tweak comments.
7033 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7035 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7037 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7039 * gimplify.c, sched-int.h: Fix comment typos.
7041 * sched-int.h: Fix comment typos.
7043 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7045 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7047 * sched-ebb.c (begin_schedule_ready): Use them.
7048 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7049 add_to_speculative_block, create_check_block_twin, speculate_insn,
7050 fix_jump_move, move_block_after_check): Ditto.
7051 * sched-rgn.c (new_ready): Ditto.
7053 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7055 PR rtl-optimization/29128
7056 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7057 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7058 allow interblock movement of speculation checks.
7060 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7063 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7064 casted to integer type.
7065 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7066 if they are significantly more expensive than [reg + index] ones.
7068 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7070 PR tree-optimization/29330
7071 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7072 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7073 on newly allocated ddrs.
7074 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7075 to VEC (loop_p, heap) pointer.
7076 (compute_data_dependences_for_loop): Adjust caller.
7077 (free_dependence_relations): Free DDR_LOOP_NEST.
7079 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7080 free DEPENDENCE_RELATIONS and DATAREFS.
7083 * builtins.c (expand_builtin_sync_operation,
7084 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7085 Use convert_to_mode to handle promoted arguments.
7087 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7089 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7091 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7093 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7095 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7097 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7098 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7099 Use <modeconstraint> instead of "r" as operand 1 constraint.
7101 2006-10-06 Olivier Hainque <hainque@adacore.com>
7103 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7104 Don't recurse on the pointed-to type.
7105 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7106 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7107 types with components of variable size.
7109 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7111 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7113 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7115 PR tree-optimization/29290
7116 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7120 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7121 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7124 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7125 the number of vector elements fill the rest with zeros.
7127 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7129 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7130 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7133 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7135 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7136 unnamed pattern into subsi3. Use correct constraints/predicates.
7137 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7138 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7140 2006-10-05 Ira Rosen <irar@il.ibm.com>
7142 * doc/loop.texi: Add data references analysis description.
7144 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7146 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7148 2006-10-04 Richard Henderson <rth@redhat.com>
7149 Jakub Jelinek <jakub@redhat.com>
7151 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7152 * builtin-types.def (BT_WORD): Make unsigned.
7153 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7154 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7155 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7156 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7157 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7158 * cgraph.c (decide_is_variable_needed): Look at force_output.
7159 Recurse for emulated tls.
7160 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7161 checks redundant with decide_is_variable_needed.
7162 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7163 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7165 * expr.c (emutls_var_address): New.
7166 (expand_expr_real_1): Expand emulated tls.
7167 (expand_expr_addr_expr_1): Likewise.
7168 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7169 * output.h (emutls_finish): Declare.
7170 * toplev.c (compile_file): Call it.
7171 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7172 address before wrapping in CONST.
7173 * varasm.c (emutls_htab, emutls_object_type): New.
7174 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7175 (get_emutls_object_name, get_emutls_object_type): New.
7176 (get_emutls_init_templ_addr, emutls_decl): New.
7177 (emutls_common_1, emutls_finish): New.
7178 (assemble_variable): When emulating tls, swap decls; generate
7179 constructor for the emutls objects.
7180 (do_assemble_alias): When emulating tls, swap decl and target name.
7181 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7183 * emutls.c: New file.
7184 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7185 tls_object for real tls.
7187 2006-10-04 Zack Weinberg <zackw@panix.com>
7189 Fix bug in constraint-check generator, reported by Rask Ingemann
7191 * genpreds.c (add_constraint): Don't remove anything from the
7193 (write_tm_constrs_h): Detect whether "op" argument is used, and
7194 mark it ARG_UNUSED if it isn't.
7195 (write_insn_const_int_ok_for_constraint): Skip the part of the
7196 expression that would test whether "op" (which is not available
7197 here) is a CONST_INT.
7199 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7202 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7204 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7206 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7207 current Leopard versions.
7208 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7210 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7212 * doc/install.texi: Fix typos.
7214 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7216 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7217 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7218 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7220 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7222 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7223 arg to be struct mach_header_64* instead.
7225 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7228 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7229 side effects after the outer expression's post side effects.
7231 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7233 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7234 comments to reflect actual behavior and relationship between
7235 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7237 * doc/c-tree.texi (Working with declarations): Fix documentation
7238 of FIELD_DECL likewise.
7240 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7243 * doc/extend.texi: Add used variable attribute description.
7245 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7248 * c.opt (Woverride-init): New.
7249 * c-opts.c (c_common_post_options): Default warn_override_init to
7251 * c-typeck.c (add_pending_init, output_init_element): Warn for
7252 overriding initializers without side effects.
7253 * doc/invoke.texi (-Woverride-init): Document.
7256 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7258 PR rtl-optimization/28096
7259 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7260 assignment has already been used as a destination earlier in the block.
7262 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7264 * builtins.c (expand_builtin_setjmp): Delete.
7265 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7266 <BUILT_IN_SETJMP_SETUP>: New case.
7267 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7268 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7269 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7270 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7271 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7272 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7273 (lower_function_body): Initialize it to false. If it is set to true
7274 at the end of the processing, emit the setjmp dispatcher.
7275 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7276 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7277 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7278 on the rhs of the assignment.
7279 (lower_builtin_setjmp): New function.
7280 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7281 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7282 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7283 to detect calls that can go to non-local labels. Use specific
7284 helper to create the abnormal edges associated with them.
7285 <MODIFY_EXPR>: Likewise.
7286 (make_abnormal_goto_edges): New function extracted from...
7287 (make_goto_expr_edges): ...here. Call it for computed gotos.
7288 (simple_goto_p): Minor tweak.
7289 (tree_can_make_abnormal_goto): New predicate.
7290 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7291 (tree_purge_dead_abnormal_call_edges): New function.
7292 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7293 (tree_purge_dead_abnormal_call_edges): Likewise.
7294 (make_abnormal_goto_edges): Likewise.
7295 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7296 Purge all dead abnormal edges if the call was in the last statement.
7297 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7298 (execute_fixup_cfg): If there are non-local labels in the function,
7299 scan the basic blocks and split them at calls that can go to non-local
7300 labels or add missing abnormal call edges. Write down the CFG in the
7302 (pass_fixup_cfg): Remove TODO_dump_func flag.
7303 * unwind-sjlj.c: Poison setjmp.
7304 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7305 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7306 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7307 (DONT_USE_BUILTIN_SETJMP): Document it.
7309 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7312 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7313 to 1 when __ppc64__ is defined.
7314 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7316 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7318 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7320 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7321 * config/ia64/unwind-hpux.c: Delete.
7323 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7325 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7326 on the element before gimplifying it, instead of punting if it is of
7329 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7331 * doc/loop.texi: New file.
7332 * doc/gccint.texi: Reference loop.texi.
7333 * Makefile.in (loop.texi): Add.
7335 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7337 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7339 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7340 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7342 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7344 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7346 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7348 * doc/install.texi: Document required versions of GMP and MPFR.
7350 2006-09-27 Paul Brook <paul@codesourcery.com>
7353 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7355 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7357 * reload1.c (alter_reg): Require the alignment of the stack slot to
7358 be at least reg_max_ref_width bytes.
7359 (scan_paradoxical_subregs): Record the largest width in
7362 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7366 * tree-nested.c (struct nesting_info): Added static_chain_added.
7367 (convert_call_expr): Set static_chain_added when adding static
7368 chain. Handle OMP_PARALLEL and OMP_SECTION.
7370 2006-09-25 Matthias Klose <doko@debian.org>
7372 * doc/invoke.texi: Add missing full stop.
7374 2006-09-25 Richard Henderson <rth@redhat.com>
7376 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7377 before cgraph_function_flags_ready.
7379 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7380 Adam Nemet <anemet@caviumnetworks.com>
7382 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7383 determine_common_wider_type): New functions.
7384 (get_computation_aff): Use them to simplify arithmetic between
7385 UBASE and CBASE if they are shortened from the same type.
7387 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7390 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7391 -2147483647 - 1 instead of 0x80000000.
7393 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7395 * flags.h (HONOR_NANS): Fix typo in comment.
7397 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7399 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7401 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7405 * tree.c (merge_attributes, attribute_list_contained): If both
7406 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7408 * c-typeck.c (comptypes_internal): Don't consider aggregates
7409 in different TUs as compatible if there one set of attributes is
7410 not a subset of the other type's attributes.
7411 (composite_type): Try harder not to create a new aggregate type.
7413 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7415 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7416 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7417 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7418 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7419 than replicating condition above.
7420 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7422 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7423 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7424 the linker by default.
7426 2006-09-22 Mike Stump <mrs@apple.com>
7428 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
7431 2006-09-22 Richard Guenther <rguenther@suse.de>
7434 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
7435 sort of stack variables stable.
7437 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
7440 * explow.c (force_reg): Set REG_POINTER flag according to
7443 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
7445 PR tree-optimization/28888
7446 * tree-if-conv.c (combine_blocks): Rewritten.
7447 * tree-cfg.c (tree_verify_flow_info): Check that edges with
7448 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
7450 2006-09-22 Jakub Jelinek <jakub@redhat.com>
7452 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
7455 2006-09-21 Richard Sandiford <richard@codesourcery.com>
7457 * varasm.c (copy_constant): Fix reversed gcc_assert check.
7459 2006-09-21 Janis Johnson <janis187@us.ibm.com>
7461 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
7463 2006-09-21 Roger Sayle <roger@eyesopen.com>
7466 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
7467 dw_fde_current_label, to be the start of the function, i.e. the same
7468 value as dw_fde_begin.
7470 2006-09-20 Richard Sandiford <richard@codesourcery.com>
7472 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
7473 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
7474 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
7475 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
7476 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
7477 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
7478 (abs<mode>2, neg<mode>2): Likewise.
7479 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
7480 (*mips_abs_ps): New define_insn.
7482 2006-09-20 Josh Conner <jconner@apple.com>
7485 * calls.c (expand_call): Allow reuse of structure return stack
7488 2006-09-20 Paul Brook <paul@codesourcery.com>
7490 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
7493 2006-09-20 Janis Johnson <janis187@us.ibm.com>
7495 * doc/extend.texi (Decimal Float): Update for latest draft TR,
7496 clean up terminology.
7498 2006-09-20 Steve Ellcey <sje@cup.hp.com>
7501 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
7502 with tablejumps in them.
7504 2006-09-20 Jakub Jelinek <jakub@redhat.com>
7507 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
7508 wrap it into TARGET_EXPR.
7510 2006-09-20 Eric Christopher <echristo@apple.com>
7512 * config/i386/i386.c (x86_fisttp): Remove.
7513 * config/i386/i386.h (x86_fisttp): Ditto.
7514 (TARGET_FISTTP): Ditto.
7516 2006-09-19 Eric Christopher <echristo@apple.com>
7518 * doc/tm.texi (OBJC_JBLEN): Describe.
7519 * config/i386/darwin.h (OBJC_JBLEN): Define.
7520 * config/rs6000/darwin.h: Ditto.
7522 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
7524 PR rtl-optimization/21299
7525 * reload1.c (reload): Purge invalid ASMs in the final pass.
7527 2006-09-19 Steve Ellcey <sje@cup.hp.com>
7530 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
7531 pointers as legitimate constants.
7533 2006-09-19 Paul Brook <paul@codesourcery.com>
7536 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
7538 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
7540 PR tree-optimization/28887
7541 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
7542 component parts from the reference.
7543 (gather_memory_references_ref): Record the reference without the
7544 nonaddressable component parts.
7546 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
7549 * c-opts.c (c_common_handle_option): Ignore the -std options
7550 if the input language is assembly.
7552 2006-09-17 Ira Rosen <irar@il.ibm.com>
7555 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
7557 (ptr_ptr_may_alias_p): Likewise.
7558 (record_record_differ_p): New function.
7559 (base_object_differ_p): Call record_record_differ_p.
7561 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7564 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7565 away for the expr argument.
7567 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7570 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
7571 before using it for dumping after vectorizing loops.
7573 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7574 Jack Howarth <howarth@bromo.med.uc.edu>
7577 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
7578 skip on error_mark_node.
7579 (rs6000_darwin64_record_arg_recurse): Likewise.
7581 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7583 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
7584 * doc/rtl.texi: Remove related documentation.
7586 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
7588 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
7591 2006-09-15 Jim Wilson <wilson@specifix.com>
7593 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
7594 Handle symbol offsets same as they are handled in ia64_expand_move
7597 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
7599 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
7600 Add forgotten parameter to the fprintf call.
7602 2006-09-15 Steve Ellcey <sje@cup.hp.com>
7604 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
7606 2006-09-15 Uros Bizjak <uros@kss-loka.si>
7608 * doc/contrib.texi: Add my entry.
7610 2006-09-15 Nick Clifton <nickc@redhat.com>
7612 * doc/md.texi (Processor pipeline description): Fix typo in
7613 example of how to use the absence_set directive and reword the
7614 description to make it slightly easier to read.
7616 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
7618 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
7619 * loop-doloop.c (doloop_optimize): Use it to limit costs of
7620 expanding the number of iterations.
7621 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
7623 * cfgrtl.c (emit_insn_at_entry): New function.
7624 * rtl.h (emit_insn_at_entry): Declare it.
7625 * integrate.c (emit_initial_value_sets): Use it.
7627 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
7629 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
7631 (struct loop_work and related VEC declarations): Delete.
7632 (bfin_dump_loops): Print out new member bad.
7633 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
7634 (bfin_scan_loop): Don't recurse.
7635 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
7636 loops. No longer need to update outer loops if the current one is
7637 found bad. Move some validitiy checks to bfin_discover_loop.
7638 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
7639 but changed not to check for nesting. Also changed to use the new bad
7641 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
7642 time. Use bitmap based test to discover loop nesting.
7644 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
7646 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
7649 2006-09-14 Richard Guenther <rguenther@suse.de>
7650 Kazu Hirata <kazu@codesourcery.com>
7652 PR middle-end/28884.
7653 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
7654 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
7655 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
7656 with TARGET_FUNCTION_VALUE.
7658 2006-09-14 Anatoly Sokolov <aesok@post.ru>
7661 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
7663 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
7665 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
7668 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
7671 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
7674 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7676 * basic_block.h (bb_has_eh_pred): Fix comment.
7678 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7680 * flow.c (calculate_global_regs_live): Invalidate eh registers
7681 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
7682 (propagate_block): Handle eh registers as if they were set at basic
7684 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
7686 * global.c (global_conflicts): Make eh registers to conflict with
7687 pseudos live at basic block begin.
7688 * basic_block.h (bb_has_eh_pred): New function.
7690 2006-09-13 Richard Sandiford <richard@codesourcery.com>
7692 PR rtl-optimization/28982
7693 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
7694 index of a PRE_MODIFY or POST_MODIFY address.
7695 * reload1.c (inc_for_reload): Use find_replacement on the original
7696 base and index registers.
7698 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
7700 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
7701 for -Os. Update __m128 alignment requirement.
7703 2006-09-13 Jan Hubicka <jh@suse.cz>
7705 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
7707 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
7709 PR rtl-optimization/28243
7710 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7711 the insn to which the note was originally attached.
7713 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
7714 Roger Sayle <roger@eyesopen.com>
7716 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
7717 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
7718 on platforms that don't use dwarf for debug info.
7720 2006-09-12 Jason Merrill <jason@redhat.com>
7723 * builtins.c (expand_builtin_setjmp_receiver): Clobber
7724 hard_frame_pointer_rtx after using it to update the frame pointer.
7726 2006-09-12 Roger Sayle <roger@eyesopen.com>
7728 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
7729 (TARGET_ASM_CLOSE_PAREN): Likewise.
7730 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
7731 (TARGET_ASM_CLOSE_PAREN): Likewise.
7733 2006-09-12 Roger Sayle <roger@eyesopen.com>
7736 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
7737 frame information for frames larger than 512 Kbytes on Tru64 when
7738 using the native assembler.
7740 2006-09-12 Roger Sayle <roger@eyesopen.com>
7744 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
7745 and symbols. Instead use the implementation from cse.c's hash_rtx.
7747 2006-09-12 Jan Hubicka <jh@suse.cz>
7749 PR rtl-optimization/28071
7750 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
7751 (vect_transform_loop): Likewise.
7752 * tree-vectorizer.c (new_loop_vec_info): Likewise.
7753 (new_loop_vec_info): Likewise.
7754 (destroy_loop_vec_info): Likewise.
7755 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
7756 (create_stmt_ann): Likewise.
7757 (create_tree_ann): Rename to ...
7758 (create_tree_common_ann): ... this one; allocate only the common part
7760 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
7761 (get_value_handle): Likewise.
7762 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
7763 get_tree_common_ann.
7764 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
7765 (vinfo_for_stmt): Use stmt annotations.
7766 * tree-flow.h (tree_ann_common_t): New type.
7767 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
7768 (tree_ann, get_tree_ann, create_tree_ann): New.
7769 * tree-flow-inline.h (get_function_ann): Do more type checking.
7770 (stmt_ann): Likewise.
7771 (tree_ann): Rename to ...
7772 (tree_common_ann): ... this one; return ony common_ann
7773 (get_tree_ann): Rename to ...
7774 (tree_common_ann): This one; return only common_ann.
7775 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
7778 2006-09-11 Geoffrey Keating <geoffk@apple.com>
7780 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
7781 with_cpu by default.
7783 * dwarf2out.c (dwarf_file_data): New.
7784 (enum dw_val_class): Add dw_val_class_file.
7785 (struct dw_val_struct): Add val_file.
7786 (file_table): Change to a hash table.
7787 (file_table_emitted): Delete.
7788 (file_table_last_lookup_index): Delete.
7789 (emitcount): Delete.
7790 (last_emitted_file): New.
7791 (lookup_filename): Change prototype to return a struct dwarf_file_data.
7792 (init_file_table): Delete.
7793 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
7794 (AT_addr): Add comment.
7798 (print_die): Handle dw_val_class_file.
7799 (print_dwarf_line_table): Update for new file table structure.
7800 (attr_checksum): Do checksum a filename.
7801 (same_dw_val_p, same_attr_p): Do compare a filename.
7802 (size_of_die): Handle dw_val_class_file.
7803 (value_format): Likewise.
7804 (output_die): Likewise. Also, call maybe_emit_file here.
7805 (struct file_info): Constify filenames. Make file_idx a pointer
7806 to a struct dwarf_file_data.
7807 (struct dir_info): Constify directory names. Remove 'used' field.
7808 (struct file_name_acquire_data): New.
7809 (file_name_acquire): New.
7810 (output_file_names): Modify to handle new file data structures.
7811 (add_src_coords_attributes): Use add_AT_file.
7812 (add_call_src_coords_attributes): Likewise.
7813 (dwarf2out_imported_module_or_decl): Likewise.
7814 (gen_subprogram_die): Modify for new file data structures.
7815 (gen_variable_die): Likewise.
7816 (file_table_eq): New.
7817 (file_table_hash): New.
7818 (file_table_last_lookup): New.
7819 (lookup_filename): Rewrite to handle new file data structures.
7820 (maybe_emit_file): Rewrite to handle new file data structures.
7821 (dwarf2out_source_line): Always call lookup_filename and
7823 (dwarf2out_init): Create file_table here.
7824 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
7825 (file_table_relative_p): New.
7826 (dwarf2out_finish): Change detection of relative filenames
7827 to work with new file data structures. Move output_line_info call
7828 after debug_info output.
7830 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
7835 * config/i386/i386.c (override_options): Always default to 16
7836 byte stack boundary.
7838 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
7841 * var-tracking.c (dump_dataflow_set): Start dumping at
7843 (clobber_variable_part): Kill only the variable part in
7844 registers holding it, leaving other variables alone.
7846 2006-09-11 Josh Triplett <josh@freedesktop.org>
7848 * doc/extend.texi (Other Builtins): Actually use the macro
7849 argument in the documentation example for
7850 __builtin_types_compatible_p.
7852 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7854 PR rtl-optimization/28726
7855 * sched-deps.c (sched_analyze_reg): New function extracted from...
7856 (sched_analyze_1): ...here. Call it to analyze references to
7857 registers. Treat again writes to a stack register as writing to the
7859 (sched_analyze_2): ...and here. Call it to analyze references to
7860 registers. Treat again reads of a stack register as reading the
7863 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
7864 David Edelsohn <edelsohn@gnu.org>
7867 * config/rs6000/spe.md (frob_df_di): Remove %H.
7868 (frob_di_df): Remove %H. Change evmergelo to mr.
7869 (frob_di_df_2): Remove %H. Change evldd to two loads.
7871 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
7873 * doc/cpp.texi: Fix names of charset options.
7875 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
7878 * config/i386/i386.c (override_options): Use 128-bit
7879 stack boundary always for 64bits.
7881 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7883 PR rtl-optimization/28636
7884 * combine.c (force_to_mode): Test for side-effects before
7885 substituting by zero.
7886 (simplify_shift_const): Likewise for zero or other constants.
7888 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
7891 * builtins.c (expand_builtin_setjmp): Force next_lab to be
7894 2006-09-10 Richard Sandiford <richard@codesourcery.com>
7897 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
7898 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
7899 returned by mode_for_size, rather than the mode of src itself,
7900 to choose between 32-bit and 64-bit patterns.
7901 (mips_mem_fits_mode_p): New function.
7902 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
7903 that the size of the source matches the size of the destination.
7904 (mov_<store>l, mov_<store>r): Likewise.
7906 2006-09-10 Eric Christopher <echristo@apple.com>
7908 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
7911 2006-09-09 Eric Christopher <echristo@apple.com>
7914 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
7917 2006-09-09 Roger Sayle <roger@eyesopen.com>
7918 Nicolas Setton <setton@adacore.com>
7920 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
7922 2006-09-10 Andreas Schwab <schwab@suse.de>
7924 * config/m68k/m68k.md (bungt_rev): New pattern.
7926 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
7927 Dale Johannesen <dalej@apple.com>
7930 * regclass.c (struct reg_pref): Update documentation.
7931 (regclass): Set prefclass to NO_REGS if memory is the best option.
7932 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7934 2006-09-08 Eric Christopher <echristo@apple.com>
7936 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
7937 * config/t-slibgcc-darwin: Support x86_64 multilib.
7938 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
7939 Return 1 for x86_64-darwin.
7940 * config/i386/t-darwin: Add m64 multilib.
7941 (LIB2_SIDITI_CONV_FUNCS): Use.
7942 (LIB2FUNCS_EXTRA): Ditto.
7943 * config/i386/darwin.h: Support x86_64.
7944 * config/i386/i386.c (override_options): Turn on flag_pic
7945 for x86_64-darwin. Disable flag_omit_pointer.
7946 (get_pc_thunk_name): Assert !TARGET_64BIT.
7947 (legitimate_address_p): Disable machopic addressing for
7949 (legitimize_pic_address): Ditto.
7950 (ix86_expand_move): Ditto.
7951 (ix86_expand_call): Ditto.
7952 (machopic_output_stub): Ditto.
7953 * config/darwin.c (machopic_select_section): Support literal16.
7954 (machopic_select_rtx_section): Ditto.
7955 * config/darwin-sections.def: Ditto.
7956 * config/darwin-64.c: New.
7958 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
7961 * c-tree.h (struct c_arg_info): Add pending_sizes.
7962 * c-parser.c (c_parser_parms_declarator,
7963 c_parser_parms_list_declarator): Initialize pending_sizes.
7964 * c-decl.c (get_parm_info): Initialize pending_sizes.
7965 (get_parm_info): Set pending_sizes.
7966 (grokdeclarator): Call put_pending_sizes for parameters for
7967 function definition only.
7969 2006-09-07 Jason Merrill <jason@redhat.com>
7972 * varasm.c (output_constant): Only strip actual no-op conversions.
7975 * config/i386/i386.c (override_options): Use 128-bit
7976 stack boundary if -msse.
7978 2006-09-07 Eric Christopher <echristo@apple.com>
7980 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
7982 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
7985 2006-09-07 Geoffrey Keating <geoffk@apple.com>
7987 * dwarf2out.c: Remove strange characters from comment above
7988 dwarf2out_frame_debug_expr.
7990 2006-09-07 Eric Christopher <echristo@apple.com>
7992 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
7993 * config/darwin.h: ... to here.
7995 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
7997 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
7999 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8000 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8002 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8003 TARGET_PARTIAL_FLAG_REG_STALL.
8004 (*ashldi3_cconly_rex64): Likewise.
8005 (*ashlsi3_cmp): Likewise.
8006 (*ashlsi3_cconly): Likewise.
8007 (*ashlsi3_cmp_zext): Likewise.
8008 (*ashlhi3_cmp): Likewise.
8009 (*ashlhi3_cconly): Likewise.
8010 (*ashlqi3_cmp): Likewise.
8011 (*ashlqi3_cconly): Likewise.
8012 (*ashrdi3_cmp_rex64): Likewise.
8013 (*ashrdi3_cconly_rex64): Likewise.
8014 (*ashrsi3_cmp): Likewise.
8015 (*ashrsi3_cconly): Likewise.
8016 (*ashrsi3_cmp_zext): Likewise.
8017 (*ashrhi3_cmp): Likewise.
8018 (*ashrhi3_cconly): Likewise.
8019 (*ashrqi3_cmp): Likewise.
8020 (*ashrqi3_cconly): Likewise.
8021 (*lshrdi3_cmp_rex64): Likewise.
8022 (*lshrdi3_cconly_rex64): Likewise.
8023 (*lshrsi3_cmp): Likewise.
8024 (*lshrsi3_cconly): Likewise.
8025 (*lshrsi3_cmp_zext): Likewise.
8026 (*lshrhi3_cmp): Likewise.
8027 (*lshrhi3_cconly): Likewise.
8028 (*lshrqi2_cmp): Likewise.
8029 (*lshrqi2_cconly): Likewise.
8031 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8034 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8035 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8036 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8037 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8038 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8039 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8040 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8041 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8042 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8043 implement only CC setting effects of shift instructions.
8045 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8047 * doc/contrib.texi: Add myself.
8049 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8052 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8053 was set by the user.
8055 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8058 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8059 (divsi_inv_m1): Use them.
8060 (UNSPEC_DIV_INV_TABLE): New constant.
8062 2006-09-06 James E Wilson <wilson@specifix.com>
8065 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8066 then call count_or_remove_death_notes.
8068 2006-09-06 Jason Merrill <jason@redhat.com>
8071 * tree-inline.c (copy_result_decl_to_var): New fn.
8072 (declare_return_variable): Use it. Call declare_inline_vars here.
8073 (expand_call_inline): Not here.
8075 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8077 * doc/contrib.texi: Update my entry.
8079 2006-09-06 Nick Clifton <nickc@redhat.com>
8081 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8083 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8086 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8087 (canonicalize_induction_variables): Likewise.
8088 (tree_unroll_loops_completely): Likewise.
8089 (tree_ssa_prefetch_arrays): Likewise.
8090 (remove_empty_loops): Likewise.
8091 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8092 TODO_cleanup_cfg instead of directly calling
8093 cleanup_tree_cfg_loop.
8094 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8096 (tree_unroll_loops_completely): Likewise.
8097 (remove_empty_loops): Likewise.
8098 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8099 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8100 of tree_ssa_unswitch_loops.
8101 (tree_ssa_loop_ivcanon): Use the return value of
8102 canonicalize_induction_variables.
8103 (tree_ssa_empty_loop): Use the return value of
8105 (tree_complete_unroll): Use the return value of
8106 tree_unroll_loops_completely.
8107 (tree_ssa_loop_prefetch): Use the return value of
8108 tree_ssa_prefetch_arrays.
8109 * passes.c (execute_todo): Before Cleanup CFG, set
8110 updating_used_alone and after cleanup CFG, call
8111 recalculate_used_alone.
8113 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8116 * tree-vect-transform.c (vectorizable_condition): Move the check
8117 for the type after the check for simple condition.
8119 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8120 Kaz Kojima <kkojima@gcc.gnu.org>
8123 * mode-switching.c (optimize_mode_switching): Make the destination
8124 block of an abnormal edge have no anticipatable mode. Don't
8125 insert mode switching code at the end of the source block of
8128 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8130 PR rtl-optimization/26847
8131 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8132 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8133 (simplify_plus_minus): Count n_constants while filling ops. Replace
8134 qsort with insertion sort. Before going through the array to simplify
8135 pairs, sort it. Delay early exit until after the first sort, exiting
8136 only if no swaps occurred. Simplify pairs in reversed order, without
8137 special-casing the first iteration. Pack ops after simplifying pairs.
8139 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8141 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8142 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8143 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8144 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8146 2006-09-05 Richard Guenther <rguenther@suse.de>
8148 PR tree-optimization/28900
8149 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8150 compound conditional before creating COND_EXPR condition.
8152 2006-09-05 Richard Guenther <rguenther@suse.de>
8154 PR tree-optimization/28905
8155 * tree-vrp.c (fix_equivalence_set): Manually implement
8156 !value_ranges_intersect_p to also handle symbolic ranges.
8158 2006-09-05 Richard Guenther <rguenther@suse.de>
8161 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8164 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8166 PR rtl-optimization/27616
8167 * cse.c (table_size): New static variable.
8168 (new_basic_block): Initialize it to 0.
8169 (remove_from_table): Decrement it.
8170 (insert): Increment it.
8171 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8172 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8173 fold_rtx_mem_1 if under the cap.
8174 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8175 the lookup of the equivalent expression and test for equality of the
8176 first operand of the equivalent expression before in turn looking up
8177 an equivalent constant for the second operand.
8179 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8182 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8183 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8184 pointer, instead of assuming it is possible to derive the
8185 correct args size from a call insn.
8187 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8190 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8191 (fold_builtin_mempcpy): Rename to...
8192 (fold_builtin_memory_op): ... this. Optimize one element copy
8194 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8196 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8197 (expand_builtin_memcpy, expand_builtin_mempcpy,
8198 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8199 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8200 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8201 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8203 2006-09-01 DJ Delorie <dj@redhat.com>
8205 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8206 (stzx_16): Likewise.
8207 ("stzx_24_<mode>"): Likewise.
8208 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8209 ("cmp<mode>_op"): New.
8210 (cmp<mode>): Change to expander; just save operands.
8212 (b<code>): Change to expander, emit compare here.
8213 (s<code>_op): Change to use split and expander.
8214 (s<code>_24_op): Likewise.
8215 (s<code>_<mode>): New.
8216 (s<code>_<mode>_24): New.
8217 (movqicc_<code>_<mode): New.
8218 (movhicc_<code>_<mode>): New.
8221 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8222 (m32c_pend_compare): New.
8223 (m32c_unpend_compare): New.
8224 (m32c_expand_scc): New.
8225 (m32c_expand_movcc): Emit the compare also.
8226 * config/m32c/predicates.md (mra_nopp_operand): New.
8228 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8229 Richard Guenther <rguenther@suse.de>
8230 Adam Nemet <anemet@caviumnetworks.com>
8233 * builtins.c (get_pointer_alignment): Handle more forms
8234 of base addresses that can be used to derive more precise
8235 information about alignment.
8237 2006-09-01 Jason Merrill <jason@redhat.com>
8240 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8243 * gimplify.c (voidify_wrapper_expr): Handle null type.
8245 2006-09-01 Josh Conner <jconner@apple.com>
8248 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8249 (execute_return_slot_opt): Use it.
8251 2006-08-31 Josh Conner <jconner@apple.com>
8254 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8255 returning aggregates.
8257 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8259 PR tree-optimization/28839
8260 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8261 blocks in that phi arguments appear.
8263 2006-08-31 Roger Sayle <roger@eyesopen.com>
8266 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8267 NULL, otherwise use an advance_loc4 to adjust relative to the
8269 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8270 (dwarf2out_switch_text_section): Reset the current label to avoid
8271 using advance_loc4 over section boundaries.
8273 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8276 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8277 r12 + SYMBOLIC_CONST.
8279 2006-08-30 Richard Guenther <rguenther@suse.de>
8281 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8283 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8285 PR rtl-optimization/27735
8286 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8287 Add new argument to keep track of whether an irreducible region
8288 was affected. All callers changed.
8289 (fix_irreducible_loops): Removed.
8290 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8291 flags were invalidated.
8293 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8295 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8296 instead of SF operands.
8297 (*fop_df_comm_sse): Likewise.
8298 (*fop_df_comm_i387): Likewise.
8299 (*fop_df_1_mixed): Likewise.
8300 (*fop_df_1_sse): Likewise.
8302 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8303 J"orn Rennecke <joern.rennecke@st.com>
8305 PR tree-optimization/17506
8306 * tree-ssa.c (warn_uninit): If warning about a location outside of
8307 the current function, note where the variable was declared.
8309 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8311 PR tree-optimization/28411
8312 * double-int.c (double_int_div): Use double_int_divmod.
8313 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8314 double_int_mod, double_int_smod, double_int_umod): New functions.
8315 * double-int.h (double_int_divmod, double_int_sdivmod,
8316 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8318 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8320 (get_computation_aff, get_computation_cost_at): Handle double_int
8321 return type of constant_multiple_of.
8323 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8326 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8327 an implicit conversion.
8329 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8331 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8333 2006-08-27 Roger Sayle <roger@eyesopen.com>
8335 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8338 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8340 * config/i386/crtfastmath.c: Fix a comment typo.
8342 2006-08-26 Roger Sayle <roger@eyesopen.com>
8344 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8345 temporary visit flags on CASE_LABEL_EXPRs.
8346 * c-common.c (match_case_to_enum): Add function comment. Avoid
8347 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8348 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8349 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8350 a constant, only warn if that constant value isn't handled.
8352 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8355 * input.h (restore_input_file_stack): Declare.
8356 (INPUT_FILE_STACK_BITS): Define.
8357 * toplev.c (fs_p, input_file_stack_history,
8358 input_file_stack_restored, restore_input_file_stack): New.
8359 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8360 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8361 (pop_srcloc): Don't free old state of stack.
8363 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8366 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8367 (PowerPC Type Attributes): New.
8369 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8371 * config/xtensa/xtensa.c (function_arg_boundary): New.
8372 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8374 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8375 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8377 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8380 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8383 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8385 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8386 (verify_local_live_at_start): Likewise.
8388 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8391 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8392 omp_add_variable): Treat sizes as variable whenever not
8395 2006-08-26 Richard Guenther <rguenther@suse.de>
8398 * fold-const.c (fold_binary): Fold temporary to correct
8399 type before constructing new comparison.
8401 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8404 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8405 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8407 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8410 * c-decl.c (start_function): Don't try to process prototype
8411 information from old declaration that isn't a function.
8413 2006-08-25 Jan Hubicka <jh@suse.cz>
8416 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8418 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8421 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8424 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8426 PR tree-optimization/16876
8427 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
8428 exit if PARM doesn't match VALUE.
8430 2006-08-25 Bob Wilson <bob.wilson@acm.org>
8432 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
8433 literal_prefix directive.
8434 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
8435 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8436 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8438 2006-08-25 David Edelsohn <edelsohn@gnu.org>
8441 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
8442 predicate to general_operand. Add 0->y and I->r alternatives.
8444 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
8446 * doc/tm.texi: Fix a typo.
8447 * predict.c: Fix comment typos.
8449 2006-08-25 Nick Clifton <nickc@redhat.com>
8451 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
8452 assertions of "cpu" and "machine".
8454 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
8457 * tree-ssa-operands.c (access_can_touch_variable): Don't say
8458 the access through a base which has an alias set of 0 cannot
8461 2006-08-24 Bill Wendling <wendling@apple.com>
8463 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
8465 2006-08-24 Jan Hubicka <jh@suse.cz>
8467 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
8469 2006-08-24 Jan Hubicka <jh@suse.cz>
8472 * cgraph.c: Fix comments.
8473 (cgraph_varpool_mark_needed_node): Mark only variables not already
8475 * cgraphunit.c: Update comments; include gt-cgraphunit.h
8476 (cgraph_varpool_assembled_nodes_queue): New static variable.
8477 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
8478 (cgraph_varpool_output_debug_info): New function.
8479 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
8480 * Makefile.in: Add gt-cgraphunit.h
8482 2006-08-24 Jan Hubicka <jh@suse.cz>
8484 * predict.c (probability_reliable_p): New predicate.
8485 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
8486 (predict_loops): Do not predict loop exit with less than 2%
8488 * basic-block.h (edge_probability_reliable_p,
8489 br_prob_note_reliable_p): Declare.
8490 * ia64.h (ia64_print_operand): Do not disable on-chip branch
8491 prediction when static predictor is not reliable.
8492 * rs6000.c (output_cbranch): Likewise.
8494 2006-08-23 Stuart Hastings <stuart@apple.com>
8497 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
8498 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
8500 2006-08-21 Geoffrey Keating <geoffk@apple.com>
8503 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
8504 complex values, nor for generic vector values.
8506 2006-08-22 Richard Guenther <rguenther@suse.de>
8509 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
8510 parameter. Convert arguments to arithmetic expression to the
8512 (analyze_scalar_evolution_1): Adjust caller.
8514 2006-08-22 Jan Hubicka <jh@suse.cz>
8516 Patch by Paolo Bonzini
8517 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
8520 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
8522 PR tree-optimization/28003
8523 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
8524 before grouping aliases.
8526 2006-08-22 Roger Sayle <roger@eyesopen.com>
8528 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
8529 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
8531 2006-08-21 Jason Merrill <jason@redhat.com>
8534 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
8535 wrapper. Loop to handle nested wrappers.
8536 (gimplify_bind_expr): Remove temp parameter.
8537 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
8538 and STATEMENT_LIST on the rhs.
8539 (gimplify_statement_list): Voidify the STATEMENT_LIST.
8540 (gimplify_expr): Pass pre_p to gimplify_statement_list.
8541 (gimplify_target_expr): Remove special BIND_EXPR handling.
8543 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
8545 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
8548 2006-08-21 Olivier Hainque <hainque@adacore.com>
8550 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
8551 Arrange for the temporary captures of components overlapping the lhs
8552 to happen before the lhs is possibly cleared.
8554 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
8556 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
8557 necessary places to pass the correct "number of registers" values
8560 2006-08-20 Jan Hubicka <jh@suse.cz>
8562 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8563 (create_name_tags): Instead of quadratic checking use hashtable.
8564 * bitmap.h: Include hashtab.h.
8565 (bitmap_hash): Declare.
8566 * bitmap.c (bitmap_hash): New function.
8568 2006-08-20 Jan Hubicka <jh@suse.cz>
8570 PR rtl-optimization/28071
8571 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
8573 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
8574 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
8575 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
8576 cgraph_decide_inlining_incrementally): Update use of
8577 cgraph_check_inline_limits.
8578 * cgraph.c (edge_hash, edge_eq): New function.
8579 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
8580 cgraph_edge_remove_caller, cgraph_node_remove_callees,
8581 cgraph_remove_node): Maintain call site hash.
8582 * cgraph.h (struct cgraph_node): Add call_site_hash.
8583 (cgraph_set_call_stmt): New function.
8585 2006-08-20 Jan Hubicka <jh@suse.cz>
8587 PR rtl-optimization/28071
8588 * reload1.c (reg_has_output_reload): Turn into regset.
8589 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
8590 choose_reload_regs, emit_reload_insns): Update to new
8591 reg_has_output_reload.
8593 2006-08-20 Jan Hubicka <jh@suse.cz>
8596 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
8597 function body sizes.
8598 * cgraphunit.c (cgraph_analyze_function): Don't do so.
8600 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
8603 * tree.c (handle_dll_attribute): Return early if not a
8604 var or function decl.
8606 2006-08-18 Joseph Myers <joseph@codesourcery.com>
8609 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
8610 alignment of SPE vector types.
8612 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
8614 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
8616 2006-08-17 Jakub Jelinek <jakub@redhat.com>
8619 * cgraph.h (struct cgraph_node): Remove externally_visible
8621 * cgraphunit.c (process_function_and_variable_attributes): Set
8622 local.externally_visible rather than externally_visible.
8625 * c-common.c (handle_externally_visible_attribute): First look
8626 at TREE_CODE and only if it is function or var decl, check for
8627 non-public objects. Don't warn for DECL_EXTERNAL.
8628 * cgraphunit.c (process_function_and_variable_attributes): Warn
8629 if externally_visible attribute is used on non-public object.
8631 2006-08-17 Jan Hubicka <jh@suse.cz>
8633 PR tree-optimization/27865
8634 * reload1.c (forget_marked_reloads): New function.
8635 (forget_old_reloads_1): When data are passed, just mark the registers
8637 (reload_as_needed): Use the new mechanizm.
8639 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
8642 * reload.h (reg_equiv_alt_mem_list): New declaration.
8643 * reload1.c (reg_equiv_alt_mem_list): New definition.
8644 (reload): Initialize it and release it.
8645 (delete_output_reload): Use it.
8646 * reload.c (push_reg_equiv_alt_mem): New function.
8647 (find_reloads_toplev): Call it.
8648 (find_reloads_address, find_reloads_address_1): Likewise.
8649 (find_reloads_subreg_address): Likewise.
8651 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8653 PR rtl-optimization/28489
8654 * sched-ebb.c (begin_schedule_ready): Create basic block
8656 (advance_target_bb): Skip empty blocks.
8657 * haifa-sched.c (bb_note): Make global.
8658 * sched-int.h (bb_note): Add prototype.
8660 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8662 PR tree-optimization/27865
8663 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
8665 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
8666 fold_used_pointer, pointer_used_p): New functions.
8667 (analyze_scalar_evolution_1): Use fold_used_pointer.
8668 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
8669 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
8672 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
8675 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
8676 or the INTEGER_CST. Fail on a CALL_EXPR.
8677 (fold_offsetof): Pass new argument to fold_offsetof_1.
8678 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
8679 operand into an INDIRECT_REF.
8680 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
8682 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8684 PR gcov/profile/26570
8685 * value-prof.c (static_values): Removed.
8686 (tree_find_values_to_profile): Do not set static_values.
8687 (find_values_to_profile): Do not free static_values.
8688 * profile.c (instrument_values): Do not free the values.
8689 (branch_prob): Free the values.
8691 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
8693 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
8695 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
8698 * c-typeck.c (build_component_ref): Combine qualifiers of
8699 structure or union and field.
8701 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8703 PR rtl-optimization/28071
8704 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
8705 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
8706 * tree-into-ssa.c (struct dom_dfsnum): New.
8707 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
8709 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
8710 compute_global_livein.
8711 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
8712 in phi nodes in the correct blocks.
8714 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8716 PR tree-optimization/28364
8717 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
8719 (fold_affine_expr): New function.
8720 (may_eliminate_iv): Use fold_affine_expr.
8722 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8725 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
8728 2006-08-16 Mike Stump <mrs@apple.com>
8730 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
8731 * doc/cppopts.texi (-MD): Likewise.
8733 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
8736 * c-common.c (handle_weak_attribute): Ignore and warn if
8737 not a FUNCTION_ or VAR_DECL.
8739 2006-07-15 Mike Stump <mrs@apple.com>
8742 * c-parser.c (c_parser_typeof_specifier): Don't use
8743 c_finish_expr_stmt, open code desired semantics instead.
8745 2006-08-15 Nick Clifton <nickc@redhat.com>
8747 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
8748 fragment to tmake_file only if threads are enabled.
8749 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
8750 * config/i386/t-gthr-win32: New file. ... here.
8752 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8755 * c-parser.c (c_parser_compound_statement_nostart): Reset
8756 parser->error after each statement.
8758 2006-08-15 Jakub Jelinek <jakub@redhat.com>
8761 * omp-low.c (lower_omp_parallel): Convert t to
8762 receiver_decl's type.
8763 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
8764 source before comparison.
8767 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
8768 to itype in assignment to oldival2.
8770 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
8774 * c-typeck.c (build_compound_expr): If the second expression
8775 is an error mark, then just return an error mark instead of
8776 creating a COMPOUND_EXPR.
8778 2006-07-14 Mike Stump <mrs@apple.com>
8780 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
8782 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
8784 * c-decl.c, var-tracking.c: Fix comment typos.
8786 2006-08-14 Richard Sandiford <richard@codesourcery.com>
8788 PR rtl-optimization/28634
8789 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
8790 for floating-point modes unless flag_unsafe_math_optimizations.
8792 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
8793 Andrew Pinski <pinskia@physics.uc.edu>
8796 * tree.c (build_array_type): Unify array types with
8797 unspecified index_type.
8798 * c-decl.c (grokdeclarator): Make sure we do not modify a
8799 unified incomplete array type.
8800 * c-typeck.c (store_init_value): Create distinct type before
8801 filling in the index type in an initializer from a compound
8804 * c-decl.c (grokdeclarator): Remove code where we copy the
8807 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
8809 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
8810 into account for TODO_dump_cgraph.
8811 (TODO_update_ssa_no_phi): Likewise.
8812 (TODO_update_ssa_full_phi): Likewise.
8813 (TODO_update_ssa_only_virtuals): Likewise.
8814 (TODO_remove_unused_locals): Likewise.
8815 (TODO_set_props): Likewise.
8816 (TODO_update_stmt_usage): Likewise.
8818 2006-08-13 Dirk Mueller <dmueller@suse.de>
8820 * c-common.c (strict_aliasing_warning): Fix formatting.
8822 2006-08-13 Matthias Klose <doko@debian.org>
8824 * doc/invoke.texi: Fix spelling errors.
8826 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8828 PR rtl-optimization/23454
8829 * reorg.c (relax_delay_slots): Update comment.
8831 2006-08-11 Richard Guenther <rguenther@suse.de>
8834 * simplify-rtx.c (simplify_const_relational_operation):
8835 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
8838 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
8840 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
8841 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
8843 2006-08-10 Paul Brook <paul@codesourcery.com>
8845 * final.c (final_scan_insn): Clear current_insn_predicate before
8846 outputting inline asm.
8848 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
8850 PR tree-optimization/26197
8851 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
8852 get_ref_base_and_extent and overlap_subvar to add only relevant
8853 subvars as may-aliases.
8854 (add_may_alias_for_new_tag): New function, factored out of
8856 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
8857 with additional argument.
8858 * tree-flow.h (new_type_alias): Takes additional argument.
8860 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
8862 * gcov.c (no_data_file): New flag.
8863 (read_count_file): Set it if data file not present. Assume counts
8865 (output_lines): Don't name the data file, if there wasn't one.
8867 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
8869 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
8870 (rs6000_generate_compare): Tweak comments.
8871 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
8873 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
8875 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
8876 (var_debug_decl): New function.
8877 (var_reg_set): Follow debug decl link. Add location even if
8878 reg is already known to hold some other variable.
8879 (var_mem_set): Follow debug decl link.
8880 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
8881 decl link. Delete other known locations of the variable part
8883 (var_reg_delete, var_mem_delete): Delete other known locations
8884 of the variable part if requested.
8885 (same_variable_part_p): New function.
8886 (add_stores): Select MO_COPY when appropriate.
8887 (vt_initialize): Handle it.
8888 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
8889 known locations for MO_SET and MO_CLOBBER.
8890 (find_variable_location_part): New function.
8891 (set_variable_part, delete_variable_part): Use it.
8892 (clobber_variable_part): New function.
8893 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
8896 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
8898 PR tree-optimization/26969
8899 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
8900 with an empty list of PHIs.
8902 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
8906 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
8909 2006-08-06 Andreas Schwab <schwab@suse.de>
8911 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
8912 string. Whitespace and comment fixup.
8914 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8917 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
8921 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
8924 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
8926 2006-08-04 Jan Hubicka <jh@suse.cz>
8930 * reload.c (push_reload): Patch out the mismatching instruction;
8932 (find_reload): Bail out if the instruction was patched out.
8934 2006-08-04 Jan Hubicka <jh@suse.cz>
8936 PR tree-optimization/24888
8937 * tree-inline.c (expand_call_inline): Do not re-record variables.
8938 (declare_inline_vars): Add variable to unexpanded_var_list.
8940 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8941 Roger Sayle <roger@eyesopen.com>
8943 PR rtl-optimization/26244
8944 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
8945 inner_const are negative or greater than or equal to the bitsize of
8946 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
8947 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
8948 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
8949 CONST0_RTX (mode) when the new shift count is greater than or equal to
8950 to the bitsize of the object being shifted and XEXP (y, 0) has no side
8953 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
8955 * tree-cfg.c: Fix a comment typo.
8957 2006-08-03 Mark Mitchell <mark@codesourcery.com>
8960 * varasm.c (output_constant): Give the front end another chance to
8961 expand constants, after stripping NOPs.
8963 2006-08-03 Jan Hubicka <jh@suse.cz>
8965 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
8968 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
8970 PR tree-optimization/27770
8971 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
8972 declaration removed (moved to tree-flow.h).
8973 (vect_can_force_dr_alignment_p): Likewise.
8974 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
8975 (moved from tree-vectorizer.h).
8976 (vect_can_force_dr_alignment_p): Likewise.
8977 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
8978 from outside the vectorizer - in particular from cgraph stage.
8979 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
8980 the alignment of global arrays when -fsection-anchors is enabled.
8981 * cgraphunit.c (cgraph_increase_alignment): New function.
8982 (cgraph_optimize): Call cgraph_increase_alignment.
8984 2006-08-03 David Edelsohn <edelsohn@gnu.org>
8987 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
8988 not reload a SPE symbol_ref into a lo_sum address.
8990 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
8993 * dwarf2out.c (prune_unused_types_prune): Move call to
8994 prune_unused_types_update_strings to cover the parent DIE also.
8996 2006-08-02 Jan Hubicka <jh@suse.cz>
8998 PR gcov/profile/28480
8999 * tree-cfg.c (change_bb_for_stmt): New function.
9000 (tree_merge_blocks, tree_split_blocks): Use it.
9002 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9008 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9009 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9010 (cgraph_optimize): Likewise.
9012 2006-08-01 Stuart Hastings <stuart@apple.com>
9014 * rtl.h (UINTVAL) New.
9015 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9016 * testsuite/gcc.dg/20060801-1.c: New.
9018 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9021 * c-typeck.c (build_external_type): Mark used enum types.
9022 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9024 (gen_subprogram_die): Whitespace fix.
9026 2006-08-01 Jan Hubicka <jh@suse.cz>
9028 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9029 bitmap when not needed.
9030 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9033 2006-08-01 Dirk Mueller <dmueller@suse.de>
9035 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9037 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9039 * Makefile.in: Revert part of previous patch:
9040 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9043 2006-07-30 Eric Christopher <echristo@apple.com>
9046 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9047 (PowerPC Variable Attributes): New section.
9049 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9051 PR target/28126 (partial fix)
9052 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9054 2006-07-28 Jan Hubicka <jh@suse.cz>
9056 PR rtl-optimization/28071
9057 * cfgrtl.c (rtl_delete_block): Free regsets.
9058 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9060 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9062 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9063 and variables used in dependencies.
9065 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9067 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9068 %fs for -mcmodel=kernel.
9069 (stack_tls_protect_test_di): Likewise.
9071 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9073 * Makefile.in: Use mkinstalldirs.
9075 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9078 * opts-common.c (prune_options): Skip joined switches.
9080 2006-07-27 Jan Hubicka <jh@suse.cz>
9082 PR rtl-optimization/28071
9083 * cselib.c (cselib_process_insn): Don't remove useless values too
9084 often for very large hashtables.
9086 2006-07-27 Jan Hubicka <jh@suse.cz>
9088 PR rtl-optimization/28071
9089 * global.c (greg_obstack): New obstack.
9090 (allocate_bb_info): Use it.
9091 (free_bb_info): Likewise.
9092 (modify_reg_pav): Likewise.
9094 2006-07-27 Roger Sayle <roger@eyesopen.com>
9096 * builtins.c (fold_fixed_mathfn): When long and long long are the
9097 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9098 functions to their lceil*, lfloor*, lround* and lrint* forms.
9100 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9103 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9105 (rev_branch_insn): Likewise.
9107 2006-07-27 Jan Hubicka <jh@suse.cz>
9109 PR rtl-optimization/28071
9110 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9111 (reg_set_in_bb, max_reg_computed): New static variables.
9112 (regmove_optimize): Free the new array.
9113 (fixup_match_1): Update call of reg_is_remote_constant_p.
9115 2006-07-26 Jan Hubicka <jh@suse.cz>
9117 PR tree-optimization/27882
9118 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9120 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9122 (cgraph_analyze_compilation_unit): Likewise.
9123 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9124 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9125 (cgraph_early_inlinine): Make order garbage collected.
9126 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9128 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9130 * dbxout.c (output_types_sort): Add a comment.
9131 (output_used_types): Free the VEC.
9133 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9135 * function.c (reorder_fix_fragments): Delete.
9136 (reorder_blocks): Don't call it.
9137 (reorder_blocks_1): Put all subblocks under the origin block.
9139 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9141 PR rtl-optimization/27907
9142 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9145 2006-07-25 Roger Sayle <roger@eyesopen.com>
9148 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9149 bar(x) check that bar's result type can represent all the values of T.
9151 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9153 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9155 2006-07-25 Nick Clifton <nickc@redhat.com>
9157 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9158 size_lookup[] array.
9159 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9160 (ggc_pch_count_object): Likewise.
9161 (ggc_pch_alloc_object): Likewise.
9162 (ggc_pch_write_object): Likewise.
9163 (init_ggc): Do not attempt to initialize entries in the
9164 size_lookup[] array for objects whose size is greater than than
9165 the length of the array.
9167 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9169 * dbxout.c (output_used_types_helper): Push queued types
9171 (output_types_sort): New.
9172 (output_used_types): Collect used types on a VEC and sort them
9175 2006-07-24 Richard Guenther <rguenther@suse.de>
9178 * cgraph.c (cgraph_remove_node): Do not check if dumps
9180 * cgraphunit.c (cgraph_optimize): Likewise.
9182 2006-07-24 Jan Hubicka <jh@suse.cz>
9184 PR rtl-optimization/28071
9185 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9186 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9187 splitting before first stmt.
9189 2006-07-24 Jan Hubicka <jh@suse.cz>
9191 PR rtl-optimization/28071
9192 * ipa-inline.c (update_caller_keys): Remove edges that
9193 are no longer inline candidates.
9195 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9198 * dbxout.c (output_used_types_helper, output_used_types): New.
9199 (dbxout_symbol): Call output_used_types.
9201 2006-07-23 Jan Hubicka <jh@suse.cz>
9205 * cgraph.c (cgraph_varpool_nodes): Export.
9206 (decide_is_variable_needed): Ignored "used" attribute in
9207 unit-at-a-time mode.
9208 * cgraph.h (cgraph_varpool_nodes): Declare.
9209 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9210 unit-at-a-time mode.
9212 2006-07-23 Roger Sayle <roger@eyesopen.com>
9215 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9216 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9217 the __gthrw form of thr_keycreate.
9218 (__gthread_key_delete): Silence the unused argument warning.
9220 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9223 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9224 Cache the last found '\0' marker to avoid quadratic behavior.
9226 2006-07-23 Jan Hubicka <jh@suse.cz>
9228 * i386.md (subsi_3_zext): Fix output template.
9230 2006-07-21 Mike Stump <mrs@apple.com>
9232 * doc/invoke.texi (C++ Dialect Options): Note that
9233 -fvisibility-inlines-hidden doesn't affect explicitly
9234 instantiationed inline methods.
9236 2006-07-20 Roger Sayle <roger@eyesopen.com>
9238 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9239 if the target assembler is GNU binutils' gas.
9240 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9241 whether to pass GNU gas or native as command line options.
9243 2006-07-20 Jason Merrill <jason@redhat.com>
9245 * tree.c (remove_attribute): New fn.
9246 * tree.h: Declare it.
9248 2006-07-20 Paul Brook <paul@codesourcery.com>
9251 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9252 they are invalidated by this instruction.
9254 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9257 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9259 2006-07-20 Eric Christopher <echristo@apple.com>
9262 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9264 2006-07-19 Eric Christopher <echristo@apple.com>
9266 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9267 Rewrite dependencies for libgcc_s.1.dylib.
9269 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9271 * except.c (duplicate_eh_regions_1): Clear next_peer.
9273 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9275 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9276 -mlongcall does not guarantee all calls will be long.
9277 * doc/extend.texi (long_call/short_call): Document that longcall
9278 does not guarantee a long call will be used.
9279 (longcall/shortcall): Likewise.
9281 2006-07-18 Roger Sayle <roger@eyesopen.com>
9284 * expmed.c (expand_shift): Additionally check that the shift_cost
9285 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9286 before implementing a LSHIFT_EXPR as a sequence of additions.
9287 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9288 middle-end that DImode shifts need to be synthesized by expand.
9290 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9293 * tree-ssa-operands.c (access_can_touch_variable): Update
9295 Return true if ALIAS is .GLOBAL_VAR.
9297 2006-07-18 David Daney <ddaney@avtrex.com>
9299 * gcc.c (display_help): Fix typo in help text.
9301 2006-07-18 Olivier Hainque <hainque@adacore.com>
9303 * tree.h (categorize_ctor_elements): Adjust prototype and add
9304 descriptive comment, both in accordance with the interface change
9306 * varasm.c (constructor_static_from_elts_p): New function.
9307 Whether a constructor node is a valid static constant initializer
9308 if all its elements are.
9309 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9310 * output.h: Declare it.
9311 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9312 is a valid constant initializer instead of computing the number of
9313 non-constant elements. Use constructor_static_from_elts_p for this
9314 purpose. Replace the head comment with an indication that this is a
9315 helper for categorize_ctor_elements.
9316 (categorize_ctor_elements): Same interface change as for the _1
9317 helper. Former head comment from this helper moved here, adjusted to
9318 account for the interface changes.
9319 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9320 (all_zeros_p): Likewise.
9321 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9322 static versions of the constructor from the categorize_ctor_elements
9323 return value instead of the formerly computed number of non-constant
9326 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9328 * configure: Regenerate.
9329 * Makefile.in (build_libsubdir): New configure substitution
9330 (build_libobjdir): New variable.
9331 (BUILD_LIBIBERTY): Use it.
9333 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9336 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9338 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9341 * c-common.c (handle_weakref_attribute): Ignore attribute in
9342 the same conditions the alias attribute is ignored.
9344 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9346 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9347 (dbxout_begin_prologue): Increment scope_labelno.
9349 2006-07-17 Richard Henderson <rth@redhat.com>
9352 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9355 2006-07-17 Roger Sayle <roger@eyesopen.com>
9356 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9358 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9359 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9360 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9361 functions such as sbrk, write, etc.. Add function prototypes.
9362 Convert function declarations from K&R to ISO C. Cast pointers
9363 to "long" and "unsigned long" instead of "int" and "unsigned int".
9364 Convert tokens following #endif into comments.
9366 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9368 * invoke.texi: Remove mention of f77; Reformat table for
9369 inline parameter options correctly; mention that -malign-double
9370 is default on x86-64 targets.
9372 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9374 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9375 (convert_affine_scev, chrec_convert_aggressive): Use
9376 avoid_arithmetics_in_type_p. Do not check for the subtypes
9379 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9382 * optabs.c (expand_doubleword_shift): Wrap the call to
9383 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9385 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9388 * optabs.c (expand_binop): Pass next_methods rather than methods
9389 to expand_doubleword_shift.
9391 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9394 * tree.h (dump_addr): Declare.
9395 * print-tree.c (dump_addr): New function.
9396 (print_node_brief, print_node): Use it.
9397 * print-rtl.c (print_rtx): Likewise.
9398 * common.opt (-fdump-noaddr): New option.
9399 * doc/invoke.texi (-fdump-noaddr): Document.
9400 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9401 (ve_info_hash): Likewise.
9403 2006-07-13 Andrew Haley <aph@redhat.com>
9405 PR tree-optimization/19505
9406 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9407 edge leaving this block, make sure that the destination of this
9408 block has only one predecessor.
9410 2006-07-17 Richard Guenther <rguenther@suse.de>
9412 PR tree-optimization/28238
9413 * tree-inline.c (copy_bb): Check if we produced valid
9414 gimple copying and substituting a stmt. If not, gimplify
9417 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9419 * optabs.c (maybe_encapsulate_block): New function extracted from...
9420 (emit_libcall_block): ...here. Invoke it on the block of insns to
9421 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9422 (emit_no_conflict_block): Likewise.
9424 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9426 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
9428 2006-07-15 Roger Sayle <roger@eyesopen.com>
9430 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
9431 a new NOP_EXPR case of the switch statement.
9433 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
9436 * stor-layout.c (place_field): Take the bit field with
9437 an excessive size into account in the ms-bitfiled case.
9440 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9441 the previous bit field.
9443 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
9446 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
9448 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9450 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
9451 signal frames correctly even when the signal was installed with
9454 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
9456 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
9457 (dbxout_function_end): Use local label LFBB. Remove hook
9459 (dbxout_source_line): Use local label LFBB.
9460 (dbxout_block): Likewise.
9461 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
9462 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
9463 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
9464 and DBX_OUTPUT_NFUN.
9466 2006-07-13 Janis Johnson <janis187@us.ibm.com>
9468 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
9470 2006-07-13 Jan Hubicka <jh@suse.cz>
9472 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
9474 * output.h (align_variable): Declare.
9475 * varasm.c (align_variable): Export.
9476 * value-prof.c (tree_value_profile_transformations): Recompute iterator
9477 when basic block changed.
9479 2006-07-13 Nick Clifton <nickc@redhat.com>
9481 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
9482 walking the LOG_LINKS chain.
9484 2006-07-12 Geoffrey Keating <geoffk@apple.com>
9486 * doc/invoke.texi (C++ Dialect Options): Explain difference
9487 between -fvisibility-inlines-hidden and setting hidden
9488 visibility explicitly.
9490 2006-07-12 Eric Christopher <echristo@apple.com>
9492 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
9493 (stmp-lipo): Depend on libgcc.a.
9495 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
9497 * tree.c: Fix a comment typo.
9499 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
9501 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
9503 (umulhisi3_r): Likewise.
9505 2006-07-12 Paolo Carlini <pcarlini@suse.de>
9508 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
9509 x < 19, vs wchar_t support.
9511 2006-07-12 Nick Clifton <nickc@redhat.com>
9513 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
9514 instead of -isa=sh4.
9516 2006-07-12 Mike Stump <mrs@apple.com>
9518 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9520 2006-07-10 Eric Christopher <echristo@apple.com>
9522 * config/t-slibgcc-darwin: Rewrite.
9524 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
9527 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
9530 2006-07-08 Matthias Klose <doko@debian.org>
9532 * doc/sourcebuild.texi: Fix typo.
9534 2006-07-07 Mike Stump <mrs@apple.com>
9536 * toplev.c (process_options): Don't give -ffunction-sections may
9537 affect debugging warning for Mach-O.
9539 2006-07-07 James E Wilson <wilson@specifix.com>
9541 * config/mips/mips.md (cpu): Add sb1a.
9542 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
9543 addition to sb1. Adjust comments to clarify SB-1A differences from
9545 (ir_sb1a_load): New. Modify bypasses to use it.
9546 (ir_sb1a_simple_alu): Likewise.
9547 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
9548 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
9549 (mips_issue_rate): Add PROCESSOR_SB1A.
9550 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
9551 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
9552 (TARGET_SB1): Add PROCESSOR_SB1A check.
9553 (TUNE_SB1): Likewise.
9555 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
9556 * config/mips/mips.c (mips_store_data_bypass_p): New.
9557 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
9558 store_data_bypass_p.
9560 2006-07-08 Paul Brook <paul@codesourcery.com>
9563 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9565 2006-07-07 Richard Guenther <rguenther@suse.de>
9568 * tree.h (build_one_cst): Declare.
9569 * tree.c (build_one_cst): New function.
9570 * tree-ssa-math-opts.c (get_constant_one): Remove.
9571 (insert_reciprocals): Use build_one_cst.
9572 * fold-const.c (fold_plusminus_mult): Likewise.
9574 2006-07-07 Roger Sayle <roger@eyesopen.com>
9576 * pointer-set.c (pointer_set_destroy): Correct whitespace.
9577 * cfgloopanal.c (dump_graph): Likewise.
9578 * dojump.c (discard_pending_stack_adjust): Likewise.
9579 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
9581 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9582 * function.c (finalize_block_changes): Likewise.
9583 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
9584 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
9585 * rtl.c (dump_rtx_statistics): Likewise.
9586 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
9588 * varray.c (dump_varray_statistics): Likewise.
9589 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
9590 decode_decimal64, encode_decimal128, decode_decimal128,
9591 decimal_real_to_decimal): Likewise.
9593 2006-07-07 Richard Guenther <rguenther@suse.de>
9595 PR tree-optimization/28187
9596 * tree-vrp.c (vrp_operand_equal_p): New function.
9597 (vrp_bitmap_equal_p): Likewise.
9598 (update_value_range): Use them to compare old and new
9601 2006-07-06 Roger Sayle <roger@eyesopen.com>
9603 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
9604 a default case to switch statement to silence compiler warnings.
9606 2006-07-06 Roger Sayle <roger@eyesopen.com>
9609 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
9610 the configured assembler supports the x87's ffreep mnemonic.
9611 * configure: Regenerate.
9612 * config.in: Regenerate.
9614 * config/i386/i386.c (output_387_ffreep): New function.
9615 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
9616 (output_387_reg_move): Likewise.
9618 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
9620 Port to hosts whose 'sort' and 'tail' implementations
9621 treat operands with leading '+' as file names, as POSIX
9622 has required since 2001. However, make sure the code still
9623 works on pre-POSIX hosts.
9624 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
9625 which says you should use "tail -c +N" rather than "tail +Nc".
9626 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
9628 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9630 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
9633 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9636 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
9637 PRE_{INC,DEC} of TFmode.
9639 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9640 Alan Modra <amodra@bigpond.net.au>
9643 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
9646 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9649 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
9650 Remove duplicate gtu.
9652 2006-07-05 Jason Merrill <jason@redhat.com>
9656 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
9657 * c-common.c (handle_packed_attribute): So don't copy it here.
9658 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
9660 2006-07-05 Mike Stump <mrs@apple.com>
9662 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
9664 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
9667 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
9669 2006-07-05 Richard Guenther <rguenther@suse.de>
9672 * config/i386/i386.md (*negdf2_1): Restrict pattern to
9673 TARGET_SSE2 targets if using SSE math.
9674 (*absdf2_1): Likewise.
9676 2006-07-05 Richard Guenther <rguenther@suse.de>
9678 PR tree-optimization/28162
9679 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
9680 make sure to convert the operands to the correct type.
9682 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9684 PR tree-optimization/28218
9686 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
9687 to calculate and free the dominator information.
9689 2006-07-04 Peter O'Gorman <peter@pogma.com>
9691 * mklibgcc.in: chmod 644 before ranlib during install.
9693 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
9694 J"orn Rennecke <joern.rennecke@st.com>
9696 * configure.ac (.eh_frame data check): Use diff -b.
9698 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9701 * Makefile.in (BUILD_RTL): Add build/vec.o.
9702 (build/gencondmd.o): Filter out -fkeep-inline-functions.
9703 (build/genextract): Delete.
9704 (build/genautomata): Likewise.
9706 2006-07-04 Alan Modra <amodra@bigpond.net.au>
9709 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
9710 128-bit IBM long doubles for ABI_V4.
9712 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
9714 * tree.c (range_in_array_bounds_p): New predicate.
9715 * tree.h (range_in_array_bounds_p): Declare it.
9716 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
9717 return a less conservative answer.
9718 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
9719 and flag 'is_group'.
9720 (IS_ELEMENT_FOR_GROUP): New macro.
9721 (FOR_EACH_ACTUAL_CHILD): Likewise.
9722 (next_child_for_group): New helper function.
9723 (can_completely_scalarize_p): Take into account groups.
9724 (sra_hash_tree): Handle RANGE_EXPR.
9725 (sra_elt_eq): Likewise.
9726 (lookup_element): Be prepared for handling groups.
9727 (is_valid_const_index): Delete.
9728 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
9729 instead of is_valid_const_index.
9730 <ARRAY_RANGE_REF>: New case.
9731 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
9732 is_valid_const_index.
9733 <ARRAY_RANGE_REF>: Do not unconditionally punt.
9734 (scan_dump): Dump info for groups too.
9735 (decide_instantiation_1): Likewise.
9736 (decide_block_copy): Assert that the element is not a group.
9737 Propagate decision to groups.
9738 (generate_one_element_ref): Handle RANGE_EXPR.
9739 (mark_no_warning): Iterate over actual childs.
9740 (generate_copy_inout): Likewise.
9741 (generate_element_copy): Likewise.
9742 (generate_element_zero): Likewise.
9743 (generate_element_init_1): Likewise.
9744 (dump_sra_elt_name): Handle RANGE_EXPR.
9746 2006-07-03 Roger Sayle <roger@eyesopen.com>
9748 PR tree-optimization/26251
9749 * tree-ssa-threadupdate.c (redirection_block_p): New function.
9750 (thread_block): When optimizing for size refuse to thread jumps
9751 that would require duplication of blocks other than redirection
9754 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9756 * configure.ac: Fix thinko in previous check-in.
9757 * configure: Regenerate.
9759 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9762 * configure.ac (for lang...): Simplify nesting of conditionals.
9763 Test subdir_requires for non-enabled languages. Move processing
9764 of lang_opt_files and lang_tree_fiels below that test.
9765 * configure: Regenerate.
9766 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
9768 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
9770 * doc/gcov.texi (Invoking Gcov): Add a missing word.
9772 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
9774 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
9777 2006-06-29 Jason Merrill <jason@redhat.com>
9784 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
9785 * c-common.c (c_determine_visibility): Handle it here.
9786 * c-decl.c (finish_decl): Call c_determine_visibility for
9788 * flags.h (enum symbol_visibility): Sort from most to least visibility.
9790 * varasm.c (default_assemble_visibility): Likewise.
9791 * c-common.c (handle_visibility_attribute): Complain about trying
9792 to give visibility to an already defined class, or trying to change
9793 declared visibility. Always attach the attribute.
9798 * attribs.c (decl_attributes): Ignore type-in-place attributes
9799 once the type has been defined.
9801 2006-06-29 Roger Sayle <roger@eyesopen.com>
9804 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
9805 to indicate the cpplib has issued an error message for us.
9807 2006-06-29 Asher Langton <langton2@llnl.gov>
9810 * config/i386/i386.c (ix86_output_function_epilogue): Don't
9811 insert a label at the end of an function under Mach-O.
9813 2006-06-29 Eric Christopher <echristo@apple.com>
9814 Evan Cheng <evan.cheng@apple.com>
9816 * predicates.md (vector_all_ones_operand): New.
9817 (nonimmediate_or_sse_const_operand): Ditto.
9818 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
9819 * config/i386/i386.c (standard_sse_constant_opcode): Define.
9820 (standard_sse_mode_p): Ditto.
9821 (standard_sse_constant_p): Add case for -1 vector.
9822 (ix86_expand_vector_move): Try to use.
9823 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
9824 Call standard_sse_constant_opcode.
9825 (*movv4sf_internal): Ditto.
9826 (*movv2df_internal): Ditto.
9828 2006-06-29 Roger Sayle <roger@eyesopen.com>
9830 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
9831 of XEXP to extract the operands of a MATCH_CODE rtx.
9833 2006-06-28 Andrew Pinski <pinskia@gmail.com>
9835 * tree.c (tree_size): Do not waste tail padding in
9836 struct tree_string and make the size be the same as
9837 build_string will generate.
9839 2006-06-28 Jason Merrill <jason@redhat.com>
9842 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
9843 may_aliases already in the tag's annotations to the bitmap.
9845 2006-06-28 Roger Sayle <roger@eyesopen.com>
9847 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
9849 2006-06-28 Roger Sayle <roger@eyesopen.com>
9851 * genpreds.c (generate_switch_p): New function.
9852 (add_mode_tests): Push the new mode test down inside an AND expr
9853 if this allows the switch-suitable MATCH_CODE to be near the root.
9854 (write_match_code_switch): New function to write a MATCH_CODE as
9856 (write_predicate_stmts): New function to write a predicate RTX
9857 expression as a sequence of statements.
9858 (write_one_predicate_function): Use write_predicate_stmts.
9859 (write_tm_constrs_h): Likewise.
9861 2006-06-26 Fred Fish <fnf@specifix.com>
9863 * config/mips/t-sb1: New file.
9864 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
9867 2006-06-26 DJ Delorie <dj@redhat.com>
9869 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
9871 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
9872 Jayant Sonar <jayants@kpitcummins.com>
9873 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
9875 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
9876 (subsi3, subsi3_1, subsi3_2): New.
9877 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
9878 * config/m32c/mov.md (SI mov peephole): New.
9879 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
9880 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
9882 2006-06-26 Olivier Hainque <hainque@adacore.com>
9884 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
9885 a CALL_EXPR target function declaration.
9887 2006-06-26 Richard Guenther <rguenther@suse.de>
9889 * tree.c (build_string): Do not waste tail padding in
9892 2006-06-26 Richard Guenther <rguenther@suse.de>
9894 * ggc-page.c (init_ggc): Add missing element to size_lookup
9898 2006-06-23 Richard Guenther <rguenther@suse.de>
9900 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9901 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9902 alignment requests instead. Add verification code.
9903 Add struct tree_function_decl and struct tree_binfo size to
9904 extra_order_size_table. Add missing element to size_lookup
9907 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
9910 * fold-const.c (const_binop): Be prepared for self returning zero.
9911 Simplify code handling complex values.
9913 2006-06-24 Olivier Hainque <hainque@adacore.com>
9915 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
9916 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
9919 2006-06-24 Olivier Hainque <hainque@adacore.com>
9921 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
9922 ARRAY_REF, so have the callback called for the low bound expression.
9924 2006-06-23 Janis Johnson <janis187@us.ibm.com>
9926 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
9927 * c-typeck.c (c_common_type): Disallow operations on decimal float
9928 types and other float types.
9929 * convert.c (convert_to_real): Don't ignore conversions involving
9930 decimal float types.
9932 2006-06-23 Olivier Hainque <hainque@adacore.com>
9934 * tree.c (max_int_size_in_bytes): New function, inspired from
9935 code in function.c:assign_temp.
9936 * tree.h (max_int_size_in_bytes): Declare.
9937 * function.c (assign_temp): Use it.
9938 * gimplify.c (create_tmp_var): Relax the assertions on the type
9939 properties, not mandating constant size any more.
9940 (force_constant_size): New static function.
9941 (gimple_add_tmp_var): Use it, forcing variable size to a
9942 constant upper bound if it is not constant on entry.
9944 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
9947 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
9948 for initialization and setting of one_only flag to ...
9949 (i386_pe_encode_section_info): ...here.
9950 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
9951 Recheck that the symbol has not been defined.
9953 2006-06-23 Richard Guenther <rguenther@suse.de>
9955 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9956 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9957 alignment requests instead. Add verification code.
9958 Add struct tree_function_decl and struct tree_binfo size to
9959 extra_order_size_table. Add missing element to size_lookup
9962 2006-06-22 Roger Sayle <roger@eyesopen.com>
9963 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9966 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
9967 call to lang_hooks.types.type_for_mode returned NULL_TREE.
9969 2006-06-23 Ben Elliston <bje@au.ibm.com>
9971 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
9972 negate dn -- manipulate it directly.
9974 2006-06-22 Roger Sayle <roger@eyesopen.com>
9975 Steven Bosscher <stevenb.gcc@gmail.com>
9978 * reload1.c (gen_reload): Call mark_jump_label on the new insns
9979 generated by gen_move_insn to add REG_LABEL notes if necessary.
9981 2006-06-22 Bob Wilson <bob.wilson@acm.org>
9983 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
9984 (leaf_entry): Remove use of MIN_ESA.
9986 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
9988 PR rtl-optimization/28121
9989 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
9992 2006-06-21 DJ Delorie <dj@redhat.com>
9994 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
9996 (mulhisi3_r): Likewise.
9998 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10000 PR middle-end/28034
10001 * coverage.c (coverage_counter_alloc): Leave the index type
10003 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10006 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10008 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10009 section from the "Options for Code Generation Conventions".
10011 2006-06-21 Richard Henderson <rth@redhat.com>
10015 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10017 (global_symbolic_operand): Allow weak symbols, even if local_p.
10019 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10021 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10022 (find_interesting_uses_address): Punt if above function returns true.
10024 2006-06-21 Richard Guenther <rguenther@suse.de>
10026 * configure: Regenerated.
10028 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10030 * config/mips/mips.c (function_arg): Where one part of a
10031 complex argument is in registers and the other part in the stack,
10032 return a REG not a PARALLEL.
10034 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10036 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10037 when cross-compiling. Do not substitute libstdcxx_incdir.
10038 * configure: Regenerated.
10040 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10042 * varasm.c (mergeable_string_section): Check for embedded NULs and
10043 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10044 rather than TREE_STRING_LENGTH bytes.
10046 2006-06-21 Richard Guenther <rguenther@suse.de>
10048 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10049 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10052 2006-06-21 Richrad Guenther <rguenther@suse.de>
10054 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10055 Limit iteration over the dominators.
10057 2006-06-20 Roger Sayle <roger@eyesopen.com>
10059 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10060 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10062 2006-06-20 Richard Guenther <rguenther@suse.de>
10063 Michael Matz <matz@suse.de>
10065 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10067 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10068 * et-forest.h (et_free_pools): Prototype new function.
10069 * et-forest.c (et_free_tree_force): Free parent occurrence.
10070 (et_free_pools): New function.
10071 * dominance.c (free_dominance_info): Free et-forest alloc
10074 2006-06-20 Roger Sayle <roger@eyesopen.com>
10076 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10077 integer modes, attempt to directly construct an integer constant.
10079 * fold-const.c (native_encode_vector): Determine the size of each
10080 element from the vector type instead of the first vector element.
10082 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10083 if all of its elements/components are constant.
10084 (build_constructor_from_list): Likewise.
10086 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10088 PR tree-optimization/27331
10089 * tree-data-ref.c (free_data_ref): New function.
10090 (create_data_ref): Fail if the data reference has unknown access
10092 (free_data_refs): Use free_data_ref.
10094 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10096 PR middle-end/28075
10097 * tree-inline.c (setup_one_parameter): Strip useless
10098 type conversion before adding it to the IR.
10099 (declare_return_variable): Likewise.
10101 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10104 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10106 2006-06-19 Mike Stump <mrs@apple.com>
10108 * tree.c (variably_modified_type_p): VM arguments don't make the
10111 2006-06-19 Richard Guenther <rguenther@suse.de>
10113 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10114 type conversions after folding.
10116 2006-06-19 Richard Guenther <rguenther@suse.de>
10118 * ggc-page.c (extra_order_size_tab): Add entries with
10119 size of struct function and basic_block.
10120 (size_lookup): Extend to cover sizes up to 511.
10121 (ggc_alloc_stat): Adjust user.
10122 (ggc_pch_count_object): Likewise.
10123 (ggc_pch_alloc_object): Likewise.
10124 (ggc_pch_write_object): Likewise.
10126 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10128 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10129 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10132 2006-06-19 Denis Chertykov <denisc@overta.ru>
10134 * config/avr/libgcc.S : Correct my wrong previous commit.
10136 2006-06-19 Roger Sayle <roger@eyesopen.com>
10139 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10140 have stripped a SUBREG from the shift count, so we may need to
10141 convert_to_mode back to the type's mode before calling make_tree.
10142 Use new_amount instead of amount to avoid expanding a tree twice.
10144 2006-06-19 Richard Guenther <rguenther@suse.de>
10146 PR middle-end/28045
10147 * fold-const.c (operand_equal_p): Check if the argument types
10148 have the same precision before stripping NOPs.
10150 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10152 Fix PR tree-optimization/27341
10153 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10155 * tree-complex.c (pass_lower_complex): Update SMT usage.
10157 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10159 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10160 Add a new alternative to the constraint strings. Add move of
10161 operand 1 to 3 to the splitter definition.
10162 ("doloop_si_long"): Second contraint alternative removed.
10164 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10166 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10167 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10169 (AVR_HAVE_MOVW) Define.
10170 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10171 (ASM_SPEC): Add avr25.
10172 (LINK_SPEC): Add avr25.
10173 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10174 (base_arch_s): Add new member 'have_movw_lpmx'.
10175 (avr_arch_types): Init 'have_movw_lpmx'.
10176 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10177 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10178 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10179 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10180 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10182 (avr_file_start): Do not output '.arh' derective.
10183 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10184 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10185 * config/avr/avr.md (mcu_enhanced): Delete.
10186 (mcu_have_movw): Define.
10187 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10188 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10189 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10190 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10191 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10192 attiny861 and at86rf401 devices.
10194 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10196 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10199 2006-06-17 Karl Berry <karl@gnu.org>
10201 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10202 doc/gccint.texi, doc/install.texi (@dircategory): Use
10203 "Software development" instead of "Programming", following
10204 the Free Software Directory.
10206 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10208 * config/i386/i386.c (legitimate_tls_address)
10209 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10210 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10211 (*tls_dynamic_gnu2_combine_64): Likewise.
10213 2006-06-16 Richard Guenther <rguenther@suse.de>
10215 PR middle-end/27116
10216 * fold-const.c (negate_expr_p): Do not introduce undefined
10217 overflow in negating INTEGER_CSTs.
10218 (fold_negate_expr): Rename from negate_expr. Revert last
10219 change for folding BIT_NOT_EXPR. Change semantics to
10220 return NULL_TREE for non-simplified negations. Do not
10221 strip type conversions and unify type handling.
10222 (negate_expr): New function, wrap around fold_negate_expr
10223 but ensure building a tree always. Strip type conversions
10224 here, fold to result type.
10225 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10227 2006-06-16 Roger Sayle <roger@eyesopen.com>
10229 PR middle-end/27802
10230 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10231 that (would) return their results in stack registers.
10233 2006-06-16 Michael Matz <matz@suse.de>
10234 Richard Guenther <rguenther@suse.de>
10236 * fold-const.c (fold_truthop): Only return new tree node if
10237 we canonicalized something.
10239 2006-06-16 Richard Guenther <rguenther@suse.de>
10241 * function.h (enum function_frequency): Move declaration
10242 out of struct function.
10243 (struct function): Move bool fields and the enum to the bitfield
10244 section. Reorder elements to avoid padding. Remove unused
10245 fields left over from the RTL inliner removal.
10246 * function.c (free_after_compilation): Do not zero removed fields.
10247 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10248 (ipa-type-escape.o): Likewise.
10250 2006-06-16 Richard Guenther <rguenther@suse.de>
10252 * cgraph.h (struct cgraph_local_info): Turn bool elements
10254 (struct cgraph_node): Likewise.
10255 (struct cgraph_varpool_node): Likewise.
10257 2006-06-15 Richard Guenther <rguenther@suse.de>
10259 * fold-const.c (fold_truth_not_expr): Rename from
10260 invert_truthvalue. Give it fold_* semantics to avoid
10261 generating garbage.
10262 (invert_truthvalue): New function. Wrapper around
10263 fold_truth_not_expr.
10264 (optimize_minmax_comparison): Avoid creating garbage.
10265 (fold_unary): Use fold_truth_not_expr for folding
10267 (fold_ternary): Replace uses of invert_truthvalue with
10268 fold_truth_not_expr where applicable.
10269 * tree.h (fold_truth_not_expr): Prototype.
10271 2006-06-16 Richard Guenther <rguenther@suse.de>
10273 PR tree-optimization/27781
10274 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10275 * ipa-pure-const.c (target.h): Include.
10276 (analyze_function): Do not analyze functions that do not
10279 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10281 PR middle-end/27793
10282 * tree-dfa.c (referenced_vars_dup_list): Remove.
10283 (find_referenced_vars): Remove assert.
10284 (referenced_var_check_and_insert): Replace dup list with assert.
10285 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10286 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10288 2006-06-15 Richard Guenther <rguenther@suse.de>
10290 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10291 extra unused identifiers if not dumping.
10292 (create_variable_info_for): Likewise.
10294 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10296 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10297 (derive_constant_upper_bound): Derive more precise upper bound in
10298 common cases. Return type changed to double_int.
10299 (record_estimate): Reflect the changed return type of
10300 derive_constant_upper_bound.
10301 * double-int.c (double_int_zext, double_int_sext): Fix.
10303 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10305 * configure.ac (CFLAGS): Get them from the toplevel or from the
10306 configure invocation.
10307 * configure: Regenerate.
10308 * Makefile.in (CFLAGS): Substitute value provided by configure.
10310 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10313 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10314 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10315 rather than calling add_stmt on it.
10316 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10318 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10320 PR middle-end/27959
10321 * reload1.c (reload): Remove registers returned by update_eliminables
10322 from used_spill_regs.
10324 2006-06-13 DJ Delorie <dj@redhat.com>
10326 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10328 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10330 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10331 html__strip_dir, html__mkdir_p. Enhance install-html target.
10332 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10333 * configure: Regenerate.
10335 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10337 * fold-const.c (fold_cond_expr_with_comparison): Check for
10338 Objective-C++ as language in deciding COND_EXPR transformation.
10340 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10343 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10344 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10345 * config/sh/lib1funcs.h (SL, SL1): Define.
10346 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10347 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10348 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10349 (OBJS_Os_4_200): New variable.
10350 ($(T)libgcc-Os-4-200.a): Use it.
10351 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10352 when dividing 1 and/or by 0.
10354 2006-06-13 Roger Sayle <roger@eyesopen.com>
10356 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10357 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10358 * configure: Regenerate.
10360 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10362 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10363 for real instruction.
10365 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10367 PR middle-end/26807
10368 * haifa-sched.c (check_cfg): Handle special case.
10370 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10373 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10374 Add debug_info parameter. Chain the vars to the BLOCK instead
10375 of the BIND_EXPR if debug info are requested for them.
10376 (pop_gimplify_context): Adjust for above change.
10377 (gimple_add_tmp_var): Likewise.
10378 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10379 Add bool parameter.
10380 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10381 (convert_local_reference): Likewise.
10382 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10383 (finalize_nesting_tree_1): Request that debug info be emitted
10384 for debug_var_chain.
10386 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10388 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10389 for PR target/27863.
10391 2006-06-13 Richard Guenther <rguenther@suse.de>
10393 PR middle-end/27536
10394 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10396 2006-06-13 Richard Guenther <rguenther@suse.de>
10398 PR tree-optimization/27830
10399 * tree-inline.c (copy_body_r): For copying the operand
10400 of an ADDR_EXPR make sure to fold &* afterwards.
10402 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10404 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10405 lvalues in the fb_none case with side-effects.
10407 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10409 * tree-flow.h: Remove the prototype for
10410 compute_phi_arg_on_exit.
10411 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10412 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10415 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10417 * builtins.c (expand_builtin_return_addr): Only use
10418 frame_pointer_rtx when count == 0 and we are expanding
10419 __builtin_return_address.
10421 2006-06-12 Fred Fish <fnf@specifix.com>
10423 * config/mips/mips.c (mips_file_start): Create special section
10424 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10426 2006-06-11 Eric Christopher <echristo@apple.com>
10428 PR middle-end/27948
10429 * stor-layout.c (place_field): Remove check for
10430 remaining_in_alignment when aligning at the end of a run.
10432 2006-06-11 Eric Christopher <echristo@apple.com>
10435 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
10438 2006-06-11 Roger Sayle <roger@eyesopen.com>
10441 Revert incorrect fix for PR target/27158
10442 2006-05-08 Roger Sayle <roger@eyesopen.com>
10443 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10444 of a reg_equiv_constant if the result is a legitimate constant.
10446 2006-06-11 Roger Sayle <roger@eyesopen.com>
10449 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
10450 extract a CONST_VECTOR element and interpret it as an integer.
10451 (vspltis_constant): Use const_vector_elt_as_int instead of the
10452 macro CONST_VECTOR_ELT in order to handle FP vector modes.
10453 * config/rs6000/predicates.md (easy_vector_const): Consider
10454 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
10456 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
10458 PR middle-end/27942
10459 * stor-layout.c (update_alignment_for_field): Don't add extra
10460 alignment for packed non-bitfield fields in ms_bitfield_layout_p
10463 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
10465 * config/mips/t-rtems: Add EL/EB multilib variants.
10467 2006-06-09 Mike Stump <mrs@apple.com>
10469 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
10471 2006-06-09 David Daney <ddaney@avtrex.com>
10473 * doc/install.texi: Add binutils version recommendation for mips-*-*.
10475 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
10477 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
10479 2006-06-09 Richard Guenther <rguenther@suse.de>
10481 PR tree-optimization/26998
10482 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
10483 of signed types, only TYPE_MIN_VALUE is special, but for both,
10484 minimum and maximum value. Likewise VR_ANTI_RANGE is special
10485 in this case, as is -fwrapv.
10487 2006-06-08 Mike Stump <mrs@apple.com>
10490 * config/darwin.c (darwin_asm_output_anchor): Disable
10491 -fsection-anchors on darwin for now.
10492 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
10493 * rs6000/rs6000.c (optimization_options): Likewise.
10495 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10498 * config/i386/i386.c (classify_argument): Skip fields with invalid
10501 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
10503 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
10504 (cse_insn): Likewise for the stack_pointer_rtx.
10506 2006-06-08 Roger Sayle <roger@eyesopen.com>
10508 * tree-ssa-dom.c (record_conditions): Only record "unordered"
10509 conditions from floating point comparisons.
10511 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
10513 PR middle-end/27733
10514 * expmed.c (struct alg_hash_entry): Fix type of field T
10515 to match synth_mult argument.
10516 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
10518 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10521 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
10524 2006-06-08 Richard Guenther <rguenther@suse.de>
10526 PR middle-end/27116
10527 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
10528 only, if overflow is defined and not trapping.
10529 (negate_expr): Likewise.
10531 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10533 PR tree-optimization/27872
10534 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
10535 flag on the new exit edge of the unrolled loop.
10537 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10539 PR rtl-optimization/26449
10540 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
10542 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
10544 PR middle-end/27793
10545 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
10546 referenced_variables with matching DECL_UID's.
10547 (find_referenced_vars): Make sure duplicate list is empty to start.
10548 (referenced_var_p): Remove.
10549 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
10550 Check if var is in the list, and add if needed. Update the duplicate
10551 list if a different var is in the list with the same DECL_UID.
10552 (add_referenced_var): Call routine to check and insert.
10553 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
10554 * tree-flow.h (referenced_vars_dup_list): External declaration.
10556 2006-06-07 Fred Fish <fnf@specifix.com>
10558 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10561 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10564 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10565 the imaginary and real parts of a clobbered register.
10566 Emit insn to set the imaginary part.
10568 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
10570 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
10571 in lieu of unwind-dw2-fde.c.
10573 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10575 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
10577 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
10580 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
10581 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
10582 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
10583 V4SImode temporaries and operations instead.
10585 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
10587 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
10590 2006-06-06 Mike Stump <mrs@apple.com>
10592 * Makefile.in: Rename to htmldir to build_htmldir to avoid
10593 installing during build.
10595 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10597 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
10599 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10600 * config/ia64/ia64.c (params.h): New header.
10601 (ia64_optimization_options): New function to adjust parameters.
10602 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
10603 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
10604 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
10606 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
10608 * stor-layout.c (debug_rli): Fix a typo in a debug message.
10610 2006-06-05 Steve Ellcey <sje@cup.hp.com>
10613 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
10615 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
10616 Victor Kaplansky <victork@il.ibm.com>
10618 PR tree-optimization/26360
10619 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
10622 2006-06-04 Roger Sayle <roger@eyesopen.com>
10623 Andrew Pinski <pinskia@physics.uc.edu>
10625 PR middle-end/27382
10626 * c-common.c (c_common_truthvalue_conversion): Explicitly check
10627 for LABEL_DECL before calling DECL_WEAK.
10630 * c-typeck.c (build_binary_op): Likewise, explicitly check for
10631 LABEL_DECL and PARM_DECL.
10633 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
10637 * c-decl.c (grokdeclarator): Disallow variably modified types at
10638 file scope. Avoid marking shared array type of constant size as
10641 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10644 * c-common.c (fold_offsetof_1): Handle static members.
10646 2006-06-04 Eric Christopher <echristo@apple.com>
10648 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
10649 (debug_rli): Output value for remaining_in_alignment.
10650 (update_alignment_for_field): Unconditionalize
10651 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
10652 extra alignment code.
10653 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
10654 ms_bitfield_layout_p code. Rewrite handling of structure fields.
10655 * tree.h (record_layout_info_s): Remove prev_packed.
10656 * doc/extend.texi (ms_struct): Add documentation of format.
10658 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
10660 * tree.h: Declare folding_initializer.
10661 * builtins.c (fold_builtin_constant_p): Give definite answer
10662 if folding inside an initializer.
10663 * fold-const.c: Define folding_initializer.
10664 (START_FOLD_INIT): Save and then set folding_initializer.
10665 (END_FOLD_INIT): Restore folding_initializer.
10667 2006-06-04 Richard Guenther <rguenther@suse.de>
10669 PR tree-optimization/27039
10670 * fold-const.c (fold_comparison): Handle pointer comparison
10671 again for all comparison codes. Compare offsets in signed
10673 (fold_binary): Move code from here.
10675 2006-06-03 Roger Sayle <roger@eyesopen.com>
10678 * config/i386/i386.c (construct_container): Split static issued_error
10679 flag into issued_sse_arg_error, issued_sse_ret_error and
10680 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
10681 requires the use of x87 registers and the user explicitly
10682 specified the -mno-80387 command line option.
10684 2006-06-02 Geoffrey Keating <geoffk@apple.com>
10686 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
10687 HAVE_DECL_SIGALTSTACK.
10689 (segv_handler): Use MC_FLD.
10690 * configure.ac: Check for a sigaltstack declaration.
10691 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
10692 * configure: Regenerate.
10693 * config.in: Regenerate.
10695 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
10698 * Makefile.in (stmp-fixinc): Fix typo.
10700 2006-06-02 Roger Sayle <roger@eyesopen.com>
10702 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
10703 are type correct. Clean-up.
10704 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
10705 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
10707 2006-06-01 DJ Delorie <dj@redhat.com>
10709 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
10710 shift, as we've disabled the "switch" insn that needs it.
10712 2006-06-01 Per Bothner <bothner@bothner.com>
10714 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
10715 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
10716 * c-ppoutput.c (cb_define): Don't increment line 0.
10718 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
10720 * doc/invoke.texi: Add cpu_type power6.
10721 * config.gcc: Add cpu_type power6.
10722 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
10723 to power5+ with Altivec.
10724 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
10725 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
10727 2006-05-30 Anatoly Sokolov <aesok@post.ru>
10729 * config/avr/avr.h (SET_ASM_OP): Define.
10731 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
10733 * config/bfin/bfin.c: Fix comment typos.
10735 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10738 * doc/install.texi: Document --enable-bootstrap and
10739 --disable-bootstrap.
10741 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10743 * doc/install.texi: Document that InfoZIP can replace jar.
10745 2006-05-31 Roger Sayle <roger@eyesopen.com>
10747 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
10748 isn't available, directly generate the simpler x87 patterns without
10749 the (use (const_int 0)).
10750 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
10751 implementation isn't available.
10752 (*negdf2_1): Likewise.
10753 (*negxf2_1): XF mode negation is always done using the x87.
10754 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
10756 2006-05-31 Roger Sayle <roger@eyesopen.com>
10758 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
10759 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
10761 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
10763 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10765 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
10766 * config/bfin/bfin.c (basic-block.h): Include.
10767 (struct machine_function): New.
10768 (bfin_init_machine_status): New.
10769 (override_options): Initialize init_machine_status.
10770 (bfin_hardware_loop): New.
10771 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
10772 (DEF_VEC_P (loop_info)): New.
10773 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
10774 (struct loop_info): New.
10775 (loop_info): New typedef.
10776 (struct loop_work): New.
10777 (loop_work): New typedef.
10778 (DEF_VEC_O (loop_work)): New.
10779 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
10780 (bfin_dump_loops): New.
10781 (bfin_bb_in_loop): New.
10782 (bfin_scan_loop): New.
10783 (bfin_optimize_loop): New.
10784 (bfin_reorg_loops): New.
10785 (bfin_reorg): Use bfin_reorg_loops.
10786 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
10788 (I_REGNO_P): Simplify.
10789 (DP_REGNO_P, DPREG_P): New macros.
10790 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
10791 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
10792 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10793 Add LT_REGS, LC_REGS, LB_REGS.
10794 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
10796 (REGNO_REG_CLASS): Deal with loop registers.
10797 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
10799 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
10800 New constants for loop registers.
10801 (UNSPEC_LSETUP_END): New.
10802 (seq_insns): New define_attr. Set it for appropriate insns.
10803 (movsi_insn): Add alternatives for move from/to
10804 loop count registers.
10805 (doloop_end): New define_expand.
10806 (loop_end): New define_insn.
10807 (define_split for bad doloop_end): New.
10808 (lsetup_with_autoinit): New define_insn.
10809 (lsetup_without_autoinit): New define_insn.
10810 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
10811 * config/bfin/predicates.md (lc_register_operand): New.
10812 (lt_register_operand): New.
10813 (lb_register_operand): New.
10814 (nondp_register_operand): New.
10815 (nondp_reg_or_memory_operand): New.
10816 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
10818 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10820 * config/bfin/bfin.c (bfin_delegitimize_address): New.
10821 (TARGET_DELEGITIMIZE_ADDRESS): Define.
10823 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
10825 * Makefile.in (CATALOGS): Add po/ prefix.
10826 * configure: Regenerated.
10828 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
10831 * arm.c (arm_print_operand case 'S'): Validate that the operand is
10832 a shift operand before calling shift_op. Avoid redundant call of
10835 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
10836 DJ Delorie <dj@redhat.com>
10838 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
10839 we're inserting is a singlt-bit constant.
10841 2006-05-30 Roger Sayle <roger@eyesopen.com>
10843 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
10844 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
10846 2006-05-30 Roger Sayle <roger@eyesopen.com>
10848 PR tree-optimization/23452
10849 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
10850 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
10851 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
10852 complex values and with -ffast-math for FP complex values.
10854 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
10856 * c-common.h: Remove the prototype for yyparse.
10857 * rtl.h: Remove the prototype for init_loop.
10859 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
10861 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
10864 2006-05-30 Roger Sayle <roger@eyesopen.com>
10866 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
10868 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
10869 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
10871 2006-05-30 Dirk Mueller <dmueller@suse.de>
10874 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
10875 for CONSTANT_CLASS_P expresisons.
10877 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10880 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
10882 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
10884 PR tree-optimization/27779
10885 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
10886 initial_condition instead of CHREC_LEFT.
10888 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
10890 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
10891 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
10892 Make prototypes ISO C90.
10894 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
10895 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10897 * see.c (see_analyze_one_def): Correct check.
10898 (see_get_extension_data): Check if extension is parallel.
10899 (see_get_extension_reg): Likewise.
10901 2006-05-30 Uros Bizjak <uros@kss-loka.si>
10904 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
10905 into register for (code == GTU).
10907 2006-05-29 Roger Sayle <roger@eyesopen.com>
10909 PR tree-optimization/24964
10910 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
10911 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
10912 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
10913 abs(x)*abs(x) as x*x for scalar floating point modes.
10915 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
10917 PR middle-end/27745
10918 * lambda-code.c (perfect_nestify): Don't copy statements
10919 in the inner loop: move them to the inner loop header.
10921 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10924 * c-tree.texi: Document OpenMP directives and clauses.
10926 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10928 * varasm.c (globalize_decl): Fix indentation.
10930 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10933 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
10934 pass_fre, pass_store_ccp, pass_copy_prop,
10935 pass_store_copy_prop, pass_merge_phi, pass_nrv,
10936 pass_return_slot, pass_object_size, pass_lim,
10937 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
10938 pass_loop_prefetch and pass_stdarg.
10940 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
10942 * config/bfin/bfin.opt (mfdpic): New option.
10943 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
10944 (EXTRA_MULTILIB_PARTS): Likewise.
10945 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
10946 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
10948 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
10949 (CRT_CALL_STATIC_FUNCTION): New.
10950 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
10952 (CRT_CALL_STATIC_FUNCTION): New.
10953 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
10955 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
10956 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
10957 (initialize_trampoline): Changed to handle FD-PIC code generation.
10958 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
10959 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
10960 (override_options): Disallow -mid-shared-library -mfdpic combination.
10961 Can't do unaligned ops if FD-PIC.
10962 Turn off flag_pic if trying to generate non-id-shared-library
10963 non-fdpic code, since it's not supported.
10964 (bfin_assemble_integer): New function.
10965 (TARGET_ASM_INTEGER): Define.
10966 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
10968 * config/bfin/crtn.s: Restore them.
10969 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
10971 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
10972 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
10973 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
10974 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
10975 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
10977 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
10978 FDPIC_REGS and FDPIC_FPTR_REGS.
10979 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
10980 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
10981 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
10982 (load_funcdescsi): New pattern.
10983 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
10984 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
10985 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
10987 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10989 * gcse.c, rtlanal.c: Remove obsolete comments associated with
10992 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
10994 * tree-flow.h: Remove the prototype for add_type_alias.
10995 * tree-ssa-alias.c (add_type_alias): Remove.
10997 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
10999 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11000 config/fr30/fr30.md, config/i386/i386-interix.h,
11001 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11002 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11003 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11004 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11005 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11006 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11007 Follow spelling conventions.
11008 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11009 Follow spelling conventions.
11011 2006-05-27 Richard Guenther <rguenther@suse.de>
11013 PR middle-end/27773
11014 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11015 to produce a constant of value 1 of generic type.
11017 2006-05-27 Dirk Mueller <dmueller@suse.de>
11019 * cgraphunit.c (decide_is_function_needed): Fix wrong
11022 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11024 PR rtl-optimization/27661
11025 * reload.c (find_reloads): When reloading a VOIDmode constant
11026 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11027 use Pmode as mode of the reload register.
11029 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11031 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11032 is enabled at -O and above.
11034 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11037 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11040 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11043 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11044 for anonymous variables explicitly declared by front ends.
11046 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11048 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11049 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11050 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11051 ref-all pointers, run a finalization pass for them.
11052 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11053 (finalize_ref_all_pointers): New function.
11054 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11055 regular pointer type to a ref-all pointer type.
11056 (get_tmt_for): Return the special memory tag for ref-all pointers.
11058 2006-05-25 Richard Guenther <rguenther@suse.de>
11060 PR middle-end/27743
11061 * fold-const.c (fold_binary): Do not look at the stripped
11062 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11064 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11066 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11067 for LT and GT if the computed range is effectively empty.
11069 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11072 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11073 mips_quad_format formats instead of ieee_single_format,
11074 ieee_double_format and ieee_quad_format formats, respectively.
11076 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11078 PR tree-optimization/27639
11079 PR tree-optimization/26719
11080 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11081 call to scev_probably_wraps_p.
11082 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11083 used_in_pointer_arithmetic_p, convert_step): Removed.
11084 (nowrap_type_p): New function.
11085 (scev_probably_wraps_p): Rewritten.
11086 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11087 chrec_convert if chrec_convert_aggressive might have been used.
11088 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11089 scev_direction): New functions.
11090 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11091 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11092 instead of convert_step.
11093 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11094 (convert_step): Declaration removed.
11095 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11097 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11099 * df-core.c: Added to header comments.
11100 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11101 df_ur_bb_info, df_urec_bb_info): Added comments.
11102 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11103 urec, ri problems): Fixed header comments.
11104 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11105 code from df_rd_transfer_function.
11107 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11109 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11110 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11111 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11113 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11115 * expr.c (undefined_operand_subword_p): New.
11116 (emit_move_multi_word): Do not generate move from undefined bits
11117 of a paradoxical subreg.
11119 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11121 PR rtl-optimization/27736
11122 * combine.c (replaced_rhs_value): New variable.
11123 (combine_instructions): Set it.
11124 (distribute_notes): When distributing a note in replaced_rhs_insn,
11125 check whether the value was used in replaced_rhs_value.
11127 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11130 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11131 add_referenced_var instead of add_referenced_tmp_var.
11132 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11133 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11134 add_referenced_var.
11135 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11136 tree_optimize_tail_calls_1): Use add_referenced_var.
11137 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11138 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11139 Use add_referenced_var.
11140 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11141 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11142 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11143 Use add_referenced_var.
11144 * tree-dfa.c (struct walk_state): Remove.
11145 (find_referenced_vars): Remove walk state and vars_found hash table.
11146 (make_rename_temp): Use add_referenced_var.
11147 (find_vars_r): Pass less parameters to add_referenced_var.
11148 (referenced_var_p): New. Is var in referenced_var hash table.
11149 (referenced_var_insert): Assert var isn't already in hash table.
11150 (add_referenced_var): Don't need walk_state parameter. Add var if it
11151 isn't already in the hash table.
11152 (add_referenced_tmp_var): Remove.
11153 (find_new_referenced_vars_1): Use add_referenced_var.
11154 * tree-ssa-pre.c (create_expression_by_pieces,
11155 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11156 Use add_referenced_var.
11157 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11158 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11159 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11160 add_referenced_var.
11161 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11162 vect_create_data_ref_ptr, vect_create_destination_var,
11163 vect_init_vector, vect_build_loop_niters,
11164 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11165 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11166 Use add_referenced_var.
11167 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11168 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11169 (add_referenced_var): Add prototype.
11170 * tree-ssa-structalias.c (get_constraint_for,
11171 intra_create_variable_infos): Use add_referenced_var.
11173 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11175 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11176 big-endian paradoxical subregs.
11177 * var-tracking.c (struct micro_operation_def): Document that,
11178 for modify micro operations, insn is the subsequent instruction.
11179 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11180 (var_reg_set, var_mem_set): ... new functions.
11181 (add_stores): Record subsequent insn.
11182 (compute_bb_dataflow): Use new functions for MO_USE.
11183 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11184 notes after the insn, and modify notes before the insn known
11185 to be the subsequent one.
11186 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11188 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11191 * config/i386/i386.c (ix86_expand_builtin): Use
11192 gen_sse3_monitor64 for TARGET_64BIT.
11194 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11196 PR rtl-optimization/26375
11197 PR rtl-optimization/26855
11198 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11200 (df_ru_bb_local_compute): Reversed statements and removed bogus
11201 comment explaining why they should be in wrong order.
11202 (df_ru_dump, df_rd_dump): Enhanced debug info.
11203 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11205 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11206 reaching uses and fixed space problem.
11208 2006-05-23 Jan Hubicka <jh@suse.cz>
11210 * cgraphunit.c (decide_is_function_needed): Also nested functions
11211 and functions declared inline can be optimized out at -O0.
11213 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11215 * doc/install.texi (Configuration): Remove reference to CrossGCC
11216 FAQ which was gone.
11219 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11222 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11223 ix86_compare_emitted is non-NULL.
11225 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11228 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11231 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11233 PR rtl-optimization/25514
11234 * combine.c (replaced_rhs_insn): New variable.
11235 (combine_instructions): Set replaced_rhs_insn when trying to replace
11236 a SET_SRC with a REG_EQUAL note.
11237 (distribute_notes): Use replaced_rhs_insn when determining the live
11238 range of a REG_DEAD register.
11240 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11241 Anatoly Sokolov <aesok@post.ru>
11243 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11244 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11245 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11246 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11247 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11248 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11249 at90usb647, at90usb1286 and at90usb1287 devices.
11250 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11251 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11253 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11255 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11257 2006-05-22 Richard Guenther <rguenther@suse.de>
11260 2006-01-31 Richard Guenther <rguenther@suse.de>
11261 Paolo Bonzini <bonzini@gnu.org>
11263 * doc/install.texi (--disable-libgcc-math): Document.
11265 2006-05-22 Richard Guenther <rguenther@suse.de>
11268 2006-01-31 Richard Guenther <rguenther@suse.de>
11270 * doc/invoke.texi (-msselibm): Document.
11271 * target.h (expand_library_builtin): New target hook.
11272 * builtins.c (expand_builtin): Use expand_library_builtin.
11273 (default_expand_library_builtin): New function.
11274 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11275 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11276 (link_gcc_math_spec): Declare.
11277 (static_specs): Add link_gcc_math_spec.
11278 * expr.h (default_expand_library_builtin): Declare.
11279 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11280 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11281 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11282 * config/i386/i386.opt (msselibm): New target option.
11283 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11284 (ix86_init_sse_abi_builtins): New function.
11285 (ix86_expand_library_builtin): Likewise.
11286 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11287 (override_options): Handle error conditions wrt -msselibm.
11288 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11289 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11290 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11293 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11296 * c-common.c (self_promoting_args_p): Skip erroneous args.
11299 * c-decl.c (finish_struct): Skip erroneous fields.
11301 2006-05-22 Nick Clifton <nickc@redhat.com>
11303 * config/cris/cris.opt (march): Remove VarExists attribute.
11304 (max-stackframe=): Likewise.
11306 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11308 * doc/rtl.texi: Fix a typo.
11309 * see.c: Fix comment typos.
11311 * tree-ssa-structalias.h (alias_info): Remove num_references.
11313 2006-05-21 Mike Stump <mrs@apple.com>
11315 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11317 (darwin_pragma_options): Use BAD instead.
11318 (darwin_pragma_unused): Likewise.
11319 (darwin_pragma_ms_struct): Likewise.
11321 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11323 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11325 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11327 PR rtl-optimization/27671
11328 * simplify-rtx.c (simplify_relational_operation_1): Fix
11329 simplifications of (eq/ne (xor x y) y) and
11330 (eq/ne (xor x y) x).
11332 PR tree-optimization/26622.
11333 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11336 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11338 * tree-cfg.c: Prune whitespace.
11339 (debug_tree_cfg): Point to correct header containing the
11342 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11344 PR middle-end/25776
11345 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11347 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11349 PR middle-end/25776
11350 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11351 or sorry count is non zero.
11353 2006-05-20 Andreas Schwab <schwab@suse.de>
11355 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11357 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11358 Kenneth Zadeck <zadeck@naturalbridge.com>
11360 PR rtl-optimization/26855
11362 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11364 (df_scan_alloc): Added code to properly handle multiword hard
11365 registers and add all_blocks parameter.
11366 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11367 code to properly handle multiword hard registers.
11368 (df_rescan_blocks): Added code to remove deleted blocks from
11370 (df_ref_create_structure, df_ref_record): Added code to properly
11372 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11373 and set DF_REF_PARTIAL.
11374 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11375 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11376 (df_scan_add_problem): Added flags parameter.
11377 (df_ref_create_structure): Changed switching structure.
11378 (df_bb_refs_record): Fixed case where duplicate artificial refs
11379 were created. Changed location of flags.
11380 (df_record_entry_block_defs): Added code to make stack pointer
11381 live in entry block. Refined cases where frame pointer is needed.
11382 Changed location of flags.
11383 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11384 (df_set_state): Removed function.
11385 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11386 df_insn_create_insn_record, df_insn_refs_delete,
11387 df_ref_create_structure): Formatting changes.
11388 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11389 df_delete_basic_block): New function.
11390 (df_init): Changed location of flags.
11391 (df_add_problem): Added flags parameter and the way flags are
11393 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11394 debug_df_chain): Improved debugging output.
11395 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11396 (df_refs_chain_dump): Removed df parameter.
11397 (df_iterative_dataflow): Added consistency check.
11398 (df_prune_to_subcfg): Made public.
11399 (df_analyze_problem): Added blocks_to_init parameter and made
11401 (df_ref_record, df_bb_refs_record, df_mark_reg,
11402 df_record_exit_block_uses): Whitespace changes.
11403 (df_dump): Whitespace changes.
11404 * df.h: Some reordering to remove forward references.
11405 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11406 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11407 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11408 (dataflow.flags): New field.
11409 (df.flag): Deleted field.
11410 (df_alloc_function): Added additional bitmap parameter.
11411 (df_dependent_problem_function): New type.
11412 (df_problem.changeable_flags): New field.
11413 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11414 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11415 (df_mw_hardreg): New struct.
11416 (DF_INSN_UID_MWS): New macro.
11417 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11419 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11420 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11421 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11422 (df_set_state): Removed function.
11423 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11424 * df-problems.c (df_chain_dump): Removed df parameter.
11425 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11426 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
11428 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
11429 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
11430 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
11431 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
11432 DF_REF_MUST_CLOBBER cases.
11433 (df_ru_bb_local_compute_process_def,
11434 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
11435 df_lr_bb_local_compute, df_ur_bb_local_compute,
11436 df_chain_create_bb): Made subreg aware.
11437 (df_ru_bb_local_compute, df_rd_bb_local_compute,
11438 df_lr_bb_local_compute, df_lr_bb_local_compute,
11439 df_chain_create_bb): Cleanup to use proper macros.
11440 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
11441 code to fixup bitvectors.
11442 (df_ri_alloc): Cleared lifetime.
11443 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
11444 df_create_unused_note): New function.
11445 (df_ri_bb_compute, df_ri_compute): Added code to create/update
11446 REG_DEAD and REG_UNUSED notes as well as register information.
11447 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
11448 df_chains_dump): Fixed crash if problem was never run.
11449 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
11450 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
11451 df_ri_add_problem): Processes flags in uniform manner.
11452 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
11453 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
11454 df_rd_dump, df_urec_free_bb_info): Formatting changes.
11455 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
11456 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
11457 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
11458 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
11459 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
11460 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
11461 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
11462 * see.c (see_initialize_data): Ditto.
11463 * final.c (rest_of_clean_state) Added regstack_completed.
11464 * rtl.h (regstack_completed): Ditto.
11465 * reg-stack.c (regstack_completed): Ditto.
11467 2006-05-19 Mike Stump <mrs@apple.com>
11469 * c-tree.h (default_conversion): Remove.
11470 * c-common.h (default_conversion): Add.
11472 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
11474 * tree-vrp.c (valid_value_p): New function.
11475 (adjust_range_with_scev): Fail if the value of bound is not
11478 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11480 * config/mips/linux-unwind.h: Include <asm/unistd.h>
11481 (mips_fallback_frame_state): Use syscall numbers to determine
11482 the appropriate li instruction for the current ABI. Only use
11483 __NR_sigreturn for o32.
11485 2006-05-19 Nicolas Setton <setton@adacore.com>
11487 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
11488 * langhooks.c (lhd_dwarf_name): New function.
11489 * langhooks-def.h (lhd_dwarf_name): Declare.
11490 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
11491 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
11493 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11495 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
11497 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
11498 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
11499 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
11500 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
11501 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
11502 determine the size of Wtype, etc.
11503 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
11504 (swfloatfuncs): New variable.
11505 (dwfloatfuncs): Likewise.
11506 (lib2funcs): Remove floating-point conversion functions from
11507 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
11508 the set of conversion routines needed. Allow entries to specify
11509 an object name, filename and word size. Update users accordingly.
11510 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
11511 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
11515 2006-02-08 Roger Sayle <roger@eyesopen.com>
11518 * config/fixtfdi.c: New libgcc source file.
11519 * config/fixunstfdi.c: New source file.
11520 * config/floatditf.c: New source file.
11521 * config/floatunditf.c: New souce file.
11522 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11523 files above instead of config/mips/_tilib.c.
11524 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11526 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11528 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
11529 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
11531 2006-05-18 Mike Stump <mrs@apple.com>
11533 Fix up vla, vm and [*] sematics.
11539 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11540 (c_vla_unspec_p): Add.
11541 (c_vla_type_p): Add.
11542 * c-decl.c (struct c_scope): Add had_vla_unspec.
11543 (build_array_declarator): Add support for [*].
11544 (grokdeclarator): Likewise.
11545 (grokparms): Likewise.
11546 (get_parm_info): Likewise.
11547 * c-objc-common.c (c_vla_unspec_p): Likewise.
11548 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
11549 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
11550 typeof when argument is a variably modified type not inside sizeof or alignof.
11551 (c_parser_direct_declarator_inner): Propagate errors.
11552 (c_parser_sizeof_expression): Add support for [*].
11553 (c_parser_parms_declarator): Initialize had_vla_unspec.
11554 (c_parser_parms_list_declarator): Likewise.
11555 * c-typeck.c (c_vla_type_p): Add.
11556 (composite_type): Add support for vla compositing.
11557 (comptypes_internal): Add support for vla compatibility.
11558 (c_expr_sizeof_expr): Evaluate vla arguments.
11559 * tree.c (variably_modified_type_p): Update comment for [*].
11561 2006-05-18 Michael Matz <matz@suse.de>
11564 * config.host: Make assignments to host_xmake_file cumulative.
11565 * config.host (*-darwin*): Test $host, not $target.
11567 2006-05-12 Stuart Hastings <stuart@apple.com>
11569 * config/i386/i386.opt (-mstackrealign): New flag.
11570 * config/i386/i386.c (force_align_arg_pointer): New attribute.
11571 (ix86_handle_cconv_attribute): Emit error when
11572 force_align_arg_pointer attribute collides with too many regparms.
11573 (ix86_function_regparm): Limit regparms when used with
11574 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
11575 Support stack-realigning prologue in non-main functions. Emit
11576 warning for nested functions under -mstackrealign, emit error for
11577 nested functions with force_align_arg_pointer attribute.
11578 * doc/extend.texi (force_align_arg_pointer): Document it.
11579 * doc/invoke.texi (-mstackrealign): Document it.
11581 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
11583 PR rtl-optimization/27477
11584 * combine.c (try_combine): Don't split a parallel consisting
11585 of two sets into two individual sets if both sets reference
11588 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
11590 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
11591 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
11593 * doc/options.texi (VarExists): Updated.
11595 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11597 * unwind-dw2.c: Add declarations for uw_update_context and
11598 uw_frame_state_for.
11599 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
11600 detected, advance frame state and context once to skip over stub.
11602 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11604 PR middle-end/20256
11605 PR middle-end/26435
11606 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
11607 Call rewrite_into_loop_closed_ssa only when something changed.
11608 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
11609 * lambda-code.c (can_convert_to_perfect_nest): Declared.
11610 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
11611 Test for perfect_nest_p here. Fix formating.
11612 (replace_uses_equiv_to_x_with_y): Fix formating.
11613 (stmt_uses_op): Removed.
11614 (can_convert_to_perfect_nest): Removed loopivs parameter.
11615 Complete the test by checking the scalar dependences.
11616 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
11619 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11622 From Dan Kegel <dank@kegel.com>:
11623 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
11625 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
11627 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
11628 if the element type is variably modified without recursing.
11630 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11632 PR middle-end/27332
11633 * tree-loop-linear.c (try_interchange_loops): Test for
11634 no data dependences.
11636 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
11638 PR tree-optimization/27548
11639 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
11640 range of ssa names that appear on abnormal edges.
11641 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
11642 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
11644 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11646 PR middle-end/27620
11647 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
11649 2006-05-17 Jakub Jelinek <jakub@redhat.com>
11651 PR middle-end/27415
11652 * tree.h (OMP_PARALLEL_COMBINED): Define.
11653 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
11654 (new_omp_context): Add is_combined_parallel argument.
11655 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
11656 new_omp_context caller.
11657 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
11658 Adjust gimplify_scan_omp_clauses callers.
11659 (omp_is_private): Issue errors if iteration variable is firstprivate
11660 or reduction in the current context.
11661 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
11662 on combined parallel workshare constructs.
11664 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11666 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
11667 (gcc-options.o): New rule.
11669 * optc-gen.awk: Protect variables for gcc-options.o with
11670 #ifdef GCC_DRIVER/#endif.
11672 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
11674 Fix PR tree-optimization/27373
11675 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
11676 (forward_propagate_addr_expr): Update call.
11678 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11680 * doc/options.texi: Move the Negative option.
11682 2006-05-16 Richard Guenther <rguenther@suse.de>
11684 PR tree-optimization/22303
11685 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
11687 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
11688 ccp_fold did not simplify the statement.
11690 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11693 * Makefile.in (GCC_OBJS): New.
11694 (OBJS-common): Add opts-common.o.
11695 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
11696 (cpp$(exeext)): Likewise.
11697 (gcc.o): Also depend on opts.h.
11698 (opts-common.o): New.
11700 * common.opt (gcoff): Add Negative(gdwarf-2).
11701 (gdwarf-2): Add Negative(gstabs).
11702 (gstabs): Add Negative(gstabs+).
11703 (gstabs+): Add Negative(gvms).
11704 (gvms): Add Negative(gxcoff).
11705 (gxcoff): Add Negative(gxcoff+).
11706 (gxcoff+): Add Negative(gcoff).
11707 * config/i386/i386.opt (m32): Add Negative(m64).
11708 (m64): Add Negative(m32).
11710 * doc/options.texi: Document the Negative option.
11712 * gcc.c: Include "opts.h".
11713 (main): Call prune_options after expandargv.
11715 * optc-gen.awk: Generate common declarations for all flag
11716 variables in options.c. Output the neg_index field.
11718 * opts.c (find_opt): Moved to ...
11719 * opts-common.c: Here. New file.
11721 * opts.h (cl_option): Add a neg_index field.
11723 (prune_options): Likewise.
11725 2006-05-16 Jakub Jelinek <jakub@redhat.com>
11727 PR middle-end/27573
11728 * omp-low.c (expand_omp_parallel): Don't assert
11729 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
11730 instead search for it.
11733 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
11736 2006-05-16 Andreas Schwab <schwab@suse.de>
11738 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
11741 2006-05-15 Roger Sayle <roger@eyesopen.com>
11744 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
11745 integer constants other than zero are only legitimate on TARGET_64BIT.
11746 <CONST_VECTOR> Only zero vectors are legitimate.
11747 (ix86_cannot_force_const_mem): Integral and vector constants can
11748 always be put in the constant pool.
11750 2006-05-16 DJ Delorie <dj@redhat.com>
11752 * crtstuff.c (__dso_handle): Set section from
11753 TARGET_LBIGCC_SDATA_SECTION if defined.
11754 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
11755 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
11757 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
11760 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
11763 2006-05-16 Ben Elliston <bje@au.ibm.com>
11765 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
11767 2006-05-15 Per Bothner <per@bothner.com>
11769 * tree.c: (last_annotated_node): Use source_locus typedef.
11770 This permits bootstrapping with --enable-mapped-location.
11772 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
11774 PR tree-optimization/26830
11775 * tree-into-ssa.c (struct ssa_name_info): Add age field.
11776 (info_for_ssa_name, current_info_for_ssa_name_age,
11777 blocks_to_update): New variables.
11778 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
11779 (clear_ssa_name_info, initialize_flags_in_bb,
11780 mark_block_for_update): New functions.
11781 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
11782 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
11783 prepare_def_site_for): Use mark_block_for_update.
11784 (mark_def_interesting): Assert that the processed block is marked in
11785 blocks_to_update. Do not take blocks argument.
11786 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
11788 (rewrite_update_init_block, rewrite_update_stmt): Only process
11789 blocks with statements to rewrite.
11790 (delete_update_ssa): Do not clear SSA_NAME_AUX.
11791 (update_ssa): Initialize and free blocks_to_update. Do not
11792 clear flags on statements. Do not use blocks bitmap.
11793 * tree.h (SSA_NAME_AUX): Removed.
11794 (struct tree_ssa_name): Removed aux field.
11795 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
11797 2006-05-15 Richard Guenther <rguenther@suse.de>
11799 PR tree-optimization/27603
11800 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
11801 Do computations in original type.
11803 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
11805 * see.c: Code style changes such as redundant paranthesis,
11806 redundant intialization of local variables etc.
11807 (see_main): Declared now as static.
11808 * doc/invoke.texi: Update that -fsee is not enabled by
11811 2006-05-15 Jakub Jelinek <jakub@redhat.com>
11813 * omp-low.c (check_omp_nesting_restrictions): New function.
11814 (scan_omp_1): Call it.
11816 PR middle-end/27416
11817 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
11818 construct, return *VAR.
11820 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
11822 PR rtl-optimization/27406
11823 * bt-load.c (migrate_btr_def): Skip the block having abnormal
11826 2006-05-14 Roger Sayle <roger@eyesopen.com>
11828 PR rtl-optimization/27538
11829 * combine.c (expand_compound_operation): Call gen_lowpart
11830 before calling simplify_shift_const.
11832 2006-05-14 Roger Sayle <roger@eyesopen.com>
11834 PR rtl-optimization/22563
11835 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
11836 a fixed width bitfield, always force the intermediates into psuedos.
11838 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
11841 * mkconfig.sh: Use operator = instead of == for test.
11843 2006-05-13 Nick Clifton <nickc@redhat.com>
11845 * dwarf2out.c (dbx_reg_number): Check return value from
11846 LEAF_REG_REMAP and only use it if it is valid.
11847 (multiple_reg_loc_descriptor): Likewise.
11849 2006-05-13 Richard Guenther <rguenther@suse.de>
11851 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
11854 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
11856 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
11857 information attached to non-INSNs such as NOTEs.
11858 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
11860 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
11862 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
11864 * config/s390/s390.md: Adjust comment describing On constraint.
11866 2006-05-11 Jan Hubicka <jh@suse.cz>
11868 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
11869 to be output at -O0.
11871 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11873 PR middle-end/27384
11874 * fold-const.c (size_binop): Move sanity check for arguments to
11875 the beginning of the function.
11877 PR middle-end/27488
11878 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
11881 2006-05-11 Richard Guenther <rguenther@suse.de>
11883 PR middle-end/27529
11884 * fold-const.c (fold_unary): Handle intermediate conversion
11885 to a pointer type like intermediate conversion to an integer
11886 type in folding of (T1)(T2)var to var.
11887 Match the code to the comment in the final conversion for
11888 (T1)(T2)var to (T1)var regarding to type precision. Rather
11889 than disallow T1 being of pointer type, assert that both T1
11890 and var are of pointer type or not. Make sure not to fall
11891 over the frontends lazyness wrt array to pointer decay though.
11893 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
11895 * arm.c (arm_struct_value_rtx): Delete.
11896 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
11897 (arm_init_cumulative_args): Always initialize nregs to zero.
11899 2006-05-10 Richard Guenther <rguenther@suse.de>
11901 PR tree-optimization/27532
11902 * tree-object-size.c (plus_expr_object_size): Fix typo.
11904 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
11907 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
11908 ashrdi_const, ashrdi3): Use a scratch register.
11910 2006-05-10 Richard Guenther <rguenther@suse.de>
11912 PR tree-optimization/27302
11913 * fold-const.c (operand_equal_p): For two comparisons,
11914 try comparison of one comparison code swapped if that yields
11917 2006-05-10 Ben Elliston <bje@au.ibm.com>
11919 * tree-pretty-print.c (pretty_print_string): No need to handle
11920 '\0' as a special character.
11922 * tree.h: Include "hashtab.h".
11923 (iterative_hash_expr): Use hashval_t in its prototype.
11924 * Makefile.in (TREE_H): Add $(HASHTAB_H).
11926 2006-05-09 Steve Ellcey <sje@cup.hp.com>
11929 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
11930 (hppa*64*-*-hpux11*): Ditto.
11931 (hppa[12]*-*-hpux11*): Ditto.
11933 2006-05-09 David Edelsohn <edelsohn@gnu.org>
11936 * config/rs6000/aix41.h (TARGET_64BIT): Define.
11938 2006-05-09 Michael Matz <matz@suse.de>
11940 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
11941 host_extra_gcc_objs and host_xmake_file.
11942 (<*-*-linux*>): Don't overwrite host_xmake_file.
11943 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
11944 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
11945 (host_detect_local_cpu): Declare.
11946 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
11947 * config/i386/i386.c (override_options): Handle -mtune=native
11949 * config/i386/x-i386: New file.
11950 * config/i386/driver-i386.c: New file.
11951 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
11954 2006-05-09 Dirk Mueller <dmueller@suse.de>
11955 Richard Guenther <rguenther@suse.de>
11957 PR middle-end/27498
11958 * fold-const.c (fold_read_from_constant_string): Relax check
11959 for matching types to matching modes.
11961 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
11963 PR rtl-optimization/27335
11964 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
11967 2006-05-08 Chao-ying Fu <fu@mips.com>
11968 Richard Sandiford <richard@codesourcery.com>
11970 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
11971 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
11972 * config/mips/mips.md (UNSPEC_SCC): New constant.
11973 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
11974 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
11975 (mips_emit_compare): Use it.
11976 (mips_expand_vcondv2sf): New function.
11978 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
11980 Fix PR tree-optimization/27093
11981 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
11982 renaming when they become not-used_alone.
11984 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11986 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
11987 relocation and relocation stubs.
11989 2006-05-08 Eric Christopher <echristo@apple.com>
11991 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
11994 2006-05-08 Jan Hubicka <jh@suse.cz>
11996 PR middle-end/24561
11997 * cgraphunit.c (decide_is_function_needed): When not optimizing even
11998 unused static functions are needed.
12000 2006-05-08 Roger Sayle <roger@eyesopen.com>
12003 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12004 of a reg_equiv_constant if the result is a legitimate constant.
12006 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12009 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12010 standard 80387 constants, raise the cost to prevent
12011 compress_float_constant() to generate load from memory.
12013 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12015 * config/arm/constraints.md (c): Fix a typo.
12017 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12020 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12023 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12025 (_mm_mwait): Likewise.
12027 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12029 (sse3_monitor): Make it 32bit only.
12030 (sse3_monitor64): New. 64bit monitor.
12032 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12035 * config/i386/i386.c (classify_argument): Skip fields with invalid
12038 2006-05-07 Richard Guenther <rguenther@suse.de>
12040 PR tree-optimization/27409
12041 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12042 Do not try to find zero-sized subvars.
12044 2006-05-07 Richard Guenther <rguenther@suse.de>
12046 PR tree-optimization/27136
12047 * tree-ssa-loop-niter.c (get_val_for): Correct function
12048 comment, assert requirements.
12049 (loop_niter_by_eval): Stop processing if the iterated
12050 value did not simplify.
12052 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12054 * opts.c (flag_see): remove its setting at -O3.
12056 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12058 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12059 * arm/constraints.md: New file.
12060 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12061 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12062 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12063 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12064 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12065 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12066 * arm.md: Include constraints.md.
12067 (thumb_movsi_insn): Use satisfies_constraint_J.
12068 (movhi, movqi): Use satisfies_constraint_I.
12070 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12072 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12073 for atmeg a645 device.
12075 2006-05-06 Richard Guenther <rguenther@suse.de>
12077 PR tree-optimization/27151
12078 * tree-vect-transform.c (vectorizable_condition): Punt on
12079 values that have a different type than the condition.
12081 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12084 * c-parser.c (c_parser_cast_expression): Only insert casts into
12085 hash table if pointer.
12086 * function.c (used_types_insert_helper): Rename from
12088 (used_types_insert): Call used_types_insert_helper.
12089 * function.h (used_types_insert): Accept only one argument.
12091 2006-05-05 David Edelsohn <edesohn@gnu.org>
12093 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12094 scratch with output modifier.
12096 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12099 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12100 with output modifier.
12102 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12105 * config/mips/mips.c (mips_symbolic_address_p): Return true
12106 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12107 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12109 2006-05-04 Richard Guenther <rguenther@suse.de>
12111 PR tree-optimization/14287
12112 PR tree-optimization/14844
12113 PR tree-optimization/19792
12114 PR tree-optimization/21608
12115 PR tree-optimization/27090
12116 * tree-ssa-pre.c (try_combine_conversion): New function.
12117 (compute_avail): After constructing the value-handle
12118 expression, use try_combine_conversion to combine NOP_EXPRs
12119 with previous value-handle expressions and use the result if it
12122 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12124 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12126 2006-05-04 Jan Hubicka <jh@suse.cz>
12128 PR middle-end/25962
12129 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12131 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12133 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12134 that this only matches CONST_INTs. All users changed to VOIDmode
12137 * config/bfin/bfin.c: Include "optabs.h".
12138 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12140 (enum bfin_builtins): Add a number of fractional and vector builtins.
12141 (bfin_init_builtins): Likewise.
12142 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12143 (safe_vector_operand, bfin_expand_binop_builtin,
12144 bfin_expand_unop_builtin): New functions.
12145 (bfin_expand_builtin): Handle the new builtins.
12146 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12149 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12152 * Makefile.in (OBJS-common): Add see.o.
12153 (see.o): Add dependencies.
12154 * common.opt (fsee): New flag for the see optimization was added.
12155 * opts.c (flag_see): Initialized.
12156 * passes.c (init_optimization_passes, pass_see): New pass.
12157 * rtl.h (see_main): Declaration as extern.
12158 * timevar.def (TV_SEE): New.
12159 * tree-pass.h (pass_see): Declaration as extern.
12160 * invoke.texi (-fsee): Document.
12161 * recog.c (validate_simplify_insn): New function.
12162 * recog.h (validate_simplify_insn): Declaration as extern.
12163 * df-problems.c (df_chain_dump): Check for NULL.
12165 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12166 Daniel Berlin <dberlin@dberlin.org>
12168 * cfgrtl.c (insert_insn_bb_end_new): New function.
12169 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12171 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12173 * df.h (struct web_entry): Moved from web.c.
12174 (union_defs): Declaration as extern.
12175 (unionfind_root): Likewise.
12176 (unionfind_union): Likewise.
12177 * web.c (struct web_entry): Moved to df.h.
12178 (unionfind_root): Remove static declaration.
12179 (unionfind_union): Likewise.
12180 (union_defs): Likewise and generalize to use callback function.
12181 (web_main): Update arguments for union_defs function call.
12183 2006-05-04 Richard Guenther <rguenther@suse.de>
12185 PR tree-optimization/26447
12186 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12187 produce SSA_NAME copies before the store stmt to avoid
12188 breaking exception handling.
12190 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12192 PR middle-end/27388
12193 * gimplify.c (omp_is_private): If var is shared in some outer context,
12194 return false instead of true. Stop searching on parallel context
12197 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12200 * coverage.c: Use get_gcov_unsigned_t() instead of
12201 unsigned_type_node all over.
12203 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12205 PR tree-optimization/27381
12206 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12207 maintain the same immediate_use links.
12208 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12209 node rather than segfaulting.
12211 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12214 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12215 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12216 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12218 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12220 Fix PR tree-optimization/26626
12221 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12223 * tree-ssa-operands.c (access_can_touch_variable): Allow
12224 typecasting through union pointers.
12226 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12229 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12230 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12231 to find if var will be a global variable even in the nested context.
12232 (omp_copy_decl): Only check for global variable at the end, it might
12233 be overridden in outer contexts.
12234 (scan_sharing_clauses): For global variables don't create a field.
12235 (lower_rec_input_clauses): Do nothing for global shared variables.
12236 Emit a barrier at the end of ILIST if there were any decls in both
12237 firstprivate and lastprivate clauses.
12238 (lower_send_clauses): Do nothing for global variables except for
12241 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12243 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12244 of the correct signedness is returned.
12246 2006-05-02 Jeff Law <law@redhat.com>
12248 PR tree-optimization/27364
12249 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12250 multiply expressions.
12252 2006-05-02 Tom Tromey <tromey@redhat.com>
12254 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12256 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12259 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12260 -mthumb -fPIC are used.
12262 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12263 Joshua Kinard <kumba@gentoo.org>
12266 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12267 with 64-bit pointers.
12269 2006-05-02 Paul Brook <paul@codesourcery.com>
12271 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12273 (create_fix_barrier): Check that a suitable barrier location is
12275 (arm_reorg): Include ftmp->address in allowable range of addresses.
12277 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12280 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12283 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12285 PR middle-end/27337
12286 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12287 around RESULT_DECL for result passed by reference.
12288 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12289 * omp-low.c (use_pointer_for_field): Don't look at
12290 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12291 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12292 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12293 time or var for passing by reference for
12294 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12295 TREE_ADDRESSABLE variables when passing by reference.
12297 * omp-low.c (dump_omp_region): Fix output formatting.
12299 PR middle-end/27328
12300 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12301 (expand_omp_parallel): Likewise.
12302 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12304 PR middle-end/27325
12305 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12306 on statement list containing also constructors and destructors.
12307 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12309 PR middle-end/27310
12310 * except.c (duplicate_eh_regions): Fix clearing of
12311 cfun->eh->region_array entries.
12313 2006-05-01 DJ Delorie <dj@redhat.com>
12315 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12317 (gcc_cv_objdump): Likewise.
12318 * configure: Regenerated.
12320 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12323 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12324 templates for case 3 and 4.
12326 2006-05-01 DJ Delorie <dj@redhat.com>
12328 * vec.c: Include bconfig.h when appropriate.
12329 * Makefile.in (build/vec.o): Adjust dependencies.
12330 * mkconfig.sh: Make sure config.h isn't used for build machine
12333 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12335 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12337 (mark_phi_for_rewrite): New function.
12338 (insert_phi_nodes_for, mark_use_interesting): Call
12339 mark_phi_for_rewrite.
12340 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12341 (update_ssa): Initialize and free phis_to_rewrite.
12343 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12345 PR rtl-optimization/27291
12346 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12347 folded to a constant.
12349 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12351 PR tree-optimization/27283
12352 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12353 not whole # of iteration descriptions.
12354 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12355 uses abnormal ssa name.
12356 (niter_for_single_dom_exit): Ditto.
12357 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12358 return just the number of iterations.
12360 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12362 PR tree-optimization/27144
12363 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12364 (record_estimate): Only record constant upper bound.
12365 (infer_loop_bounds_from_undefined): Call
12366 compute_estimated_nb_iterations just once.
12367 (proved_non_wrapping_p): Renamed to ...
12368 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12369 (convert_step_widening, scev_probably_wraps_p): Call
12370 n_of_executions_at_most instead of proved_non_wrapping_p.
12371 (substitute_in_loop_info): Do not replace values in bounds.
12372 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12375 2006-05-01 Richard Henderson <rth@redhat.com>
12378 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12379 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12382 2006-05-01 Roger Sayle <roger@eyesopen.com>
12384 * c-typeck.c (parser_build_binary_op): Don't call the function
12385 unsigned_conversion_warning to spot operand/result type overflow.
12386 (build_binary_op): Instead, call convert_and_check instead of
12387 convert to report the problem when the operands are promoted.
12388 * c-common.c (unsigned_conversion_warning): Make static.
12389 * c-common.h (unsigned_conversion_warning): Delete prototype.
12391 2006-05-01 Richard Guenther <rguenther@suse.de>
12393 PR tree-optimization/26726
12394 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12396 (find_interesting_uses_address): ... we work around here
12397 by folding INDIRECT_REFs in the substituted base.
12399 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12401 * omp-low.c (dump_omp_region): Add newlines.
12403 2006-04-30 Roger Sayle <roger@eyesopen.com>
12405 * common.opt (Woverflow): New command line option.
12406 * c-common.c (constant_expression_warning): Check warn_overflow.
12407 (overflow_waring): Pass OPT_Woverflow to warning.
12408 (unsigned_conversion_warning): Likewise.
12409 (convert_and_check): Likewise.
12410 * doc/invoke.texi: Document new command line option.
12412 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12414 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12415 TARGET_NO_FP_IN_TOC for section anchors.
12416 (optimization_options): Enable section anchors for all
12417 non-"Objective" languages.
12419 2006-04-28 Eric Christopher <echristo@apple.com>
12421 * config/darwin-c.c (darwin_ms_struct): Move this
12422 (darwin_set_default_type_attributes): and this...
12423 * config/darwin.c: ... here.
12424 * config/darwin.h (darwin_ms_struct): Declare.
12426 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
12428 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
12430 2006-04-28 Roger Sayle <roger@eyesopen.com>
12433 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
12434 (push_array_bounds): Delete prototype. Change BOUNDS argument to
12435 an unsigned HOST_WIDE_INT.
12436 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
12438 (really_start_incremental_init): No need to call convert because
12439 bitsize_zero_node is already of type bitsizetype.
12440 (push_init_level): Extract the value of constructor_index as an
12441 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
12442 (process_init_element): Likewise.
12444 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
12446 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
12447 value before passing to make_relative_prefix.
12449 2006-04-28 Alan Modra <amodra@bigpond.net.au>
12451 PR middle-end/27260
12452 * builtins.c (expand_builtin_memset): Expand val in original mode.
12454 2006-04-27 Eric Christopher <echristo@apple.com>
12456 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
12457 with #ifndef/#endif.
12458 * config/darwin-c.c (darwin_ms_struct): New.
12459 (darwin_pragma_ms_struct): Ditto.
12460 (darwin_set_default_type_attributes): Ditto.
12461 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
12462 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
12463 Register ms_struct pragma.
12464 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
12465 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
12466 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
12467 darwin_set_default_type_attributes if TARGET_MACHO.
12469 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
12471 PR tree-optimization/26854
12472 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
12473 * doc/tree-ssa.texi: Update immuse iterator documentation.
12474 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
12475 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
12476 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
12477 first_safe_imm_use, next_safe_imm_use): Remove.
12478 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
12479 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
12480 (move_use_after_head): New. Helper function to sort immuses in a stmt.
12481 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
12482 (first_imm_use_stmt): New. Get first stmt in an immuse list.
12483 (next_imm_use_stmt): New. Get next stmt in an immuse list.
12484 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
12485 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
12486 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
12487 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
12488 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
12489 (perfect_nestify): Use new iterator.
12490 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
12492 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
12493 (next_imm_name): New field in struct immediate_use_iterator_d.
12494 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
12495 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
12496 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
12497 * tree-cfg.c (replace_uses_by): Use new iterator.
12498 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
12499 * tree-ssa-operands.c (correct_use_link): Remove.
12500 (finalize_ssa_use_ops): No longer call correct_use_link.
12502 2006-04-27 Stuart Hastings <stuart@apple.com>
12504 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
12505 * config/t-darwin (crt3.o): Use it.
12506 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
12507 'pmode', use Pmode instead of SImode for SYMBOL_REF.
12508 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
12509 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
12510 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12513 2006-04-27 Roger Sayle <roger@eyesopen.com>
12515 * expmed.c (store_fixed_bit_field): If we're not optimizing for
12516 size, force the intermediate into a new pseudo rather instead of
12517 performing both a bitwise AND and a bitwise IOR in memory.
12519 2006-04-27 Richard Guenther <rguenther@suse.de>
12521 PR rtl-optimization/26685
12522 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
12523 this one "max-flow-memory-locations".
12525 2006-04-27 Richard Guenther <rguenther@suse.de>
12527 PR tree-optimization/25148
12528 * tree-vrp.c (compare_values): Remove code dealing with
12529 comparisons against type min/max value. Honour overflow
12530 and negative constants in code dealing with comparisons
12531 of plus and minus expressions.
12532 (value_inside_range): Use fold_binary with LE_EXPR and
12533 GE_EXPR rather than compare_values.
12535 2006-04-27 Dirk Mueller <dmueller@suse.de>
12537 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
12540 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
12542 * basic-block.h (safe_insert_insn_on_edge): Removed.
12543 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
12545 2006-04-26 David Edelsohn <edelsohn@gnu.org>
12546 Paolo Bonzini <bonzini@gnu.org>
12548 PR middle-end/27282
12549 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12550 (simplify_and_const_int): Same.
12552 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
12554 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
12556 2006-04-26 Jakub Jelinek <jakub@redhat.com>
12559 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12560 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12561 cgraph_global_info_ready.
12563 PR middle-end/26913
12564 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
12567 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
12568 either decl or init is error_mark_node.
12570 PR middle-end/25989
12571 * tree-flow.h (struct omp_region): Add sched_kind.
12572 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
12573 instead of extracting omp for data.
12574 (expand_omp_for): Save extracted sched_kind.
12576 2006-04-25 Roger Sayle <roger@eyesopen.com>
12578 * expmed.c (store_bit_field): Also check whether the bitsize is
12579 valid for the machine's "insv" instruction before moving the
12580 target into a pseudo for use with the insv.
12581 * config/i386/predicates.md (const8_operand): New predicate.
12582 * config/i386/i386.md (extv, extzv, insv): Use the new
12583 const8_operand predicate where appropriate.
12585 2006-04-25 DJ Delorie <dj@redhat.com>
12587 * doc/install.texi (Specific): Clarify that this is not a list of
12588 supported hosts or targets.
12590 2006-04-25 Richard Sandiford <richard@codesourcery.com>
12592 PR rtl-optimization/26725
12593 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
12594 block's BB_DIRTY flag.
12596 2006-04-25 Geoffrey Keating <geoffk@apple.com>
12598 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
12601 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
12602 to print an integer.
12604 2006-04-25 David Edelsohn <edelsohn@gnu.org>
12606 * varasm.c (align_variable): New function.
12607 (get_block_for_decl): Apply align_variable to DECL before
12608 calculating section information.
12609 (assemble_variable): Split out alignment computation.
12611 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
12613 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
12616 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
12618 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
12619 MODE_PARTIAL_INT mode.
12620 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
12621 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
12623 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
12624 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
12626 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
12628 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
12630 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
12631 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
12632 MACFLAG_IH): Likewise.
12633 (movstricthi_1): Renamed from "*movstricthi".
12634 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
12635 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
12636 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
12637 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
12638 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
12639 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
12640 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
12641 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
12642 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
12643 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
12644 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
12645 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
12646 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
12647 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
12648 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
12650 * doc/rtl.texi (ss_ashift): Improve wording.
12652 2006-04-24 Geoffrey Keating <geoffk@apple.com>
12654 * dwarf2out.c (verify_marks_clear): New.
12655 (prune_unused_types): Call verify_marks_clear initially, not
12658 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
12660 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
12661 * doc/rtl.texi: Document them.
12662 * simplify-rtx.c (simplify_unary_operation,
12663 simplify_binary_operation_1): Don't abort when we see them.
12665 2006-04-24 Mark Mitchell <mark@codesourcery.com>
12668 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12669 * configure.ac: Completely disregard languages that are not
12671 * configure: Regenerated.
12673 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12674 Richard Guenther <rguenther@suse.de>
12676 PR tree-optimization/27236
12677 * tree-inline.c (copy_body_r): Make sure to copy
12678 TREE_THIS_VOLATILE flag.
12680 2006-04-24 Richard Guenther <rguenther@suse.de>
12682 PR middle-end/26869
12683 * tree-complex.c (update_parameter_components): Don't handle
12684 unused parameters which have no default def.
12686 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12687 Richard Guenther <rguenther@suse.de>
12689 PR tree-optimization/27218
12690 * tree-inline.c (expand_call_inline): Strip useless type
12691 conversions for the return slot address.
12693 2006-04-24 Richard Guenther <rguenther@suse.de>
12695 * cfgloop.h (struct loops): Remove unused field array. Reorder
12697 (LOOP_PREFETCH): Remove.
12699 2006-04-24 Richard Guenther <rguenther@suse.de>
12701 PR tree-optimization/22525
12702 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
12703 variable, adjust types of generated expressions.
12705 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
12707 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
12708 (tree-vect-patterns.o): Likewise.
12709 (jump.o): Likewise.
12710 (cselib.o): Likewise.
12711 (loop-doloop.o): Likewise.
12712 (regclass.o): Likewise.
12713 (reload1.o): Likewise.
12714 (explow.o): Replace target.h with $(TARGET_H).
12715 (ipa-prop.o): Likewise.
12716 (ipa-cp.o): Likewise.
12717 (ipa-inline.o): Likewise.
12718 (reorg.o): Likewise.
12719 (reg-stack.o): Likewise.
12721 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12723 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
12725 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12727 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
12729 * configure.ac: Completely disregard languages that are not
12731 * configure: Regenerated.
12734 * c-common.h (c_build_bitfield_integer_type): Declare.
12735 * c-decl.c (c_build_bitfield_integer_type): Move to ...
12736 * c-common.c (c_build_bitfield_integer_type): ... here.
12738 2006-04-23 Roger Sayle <roger@eyesopen.com>
12741 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
12742 a SImode SUBREG of a floating point register after no_new_pseudos.
12744 2006-04-23 Roger Sayle <roger@eyesopen.com>
12746 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
12747 identify potentially eliminable registers to additionally catch
12748 VIRTUAL_INCOMING_ARGS_REGNUM.
12749 (addsi3): Update the conditions on when to use addsi_small_int.
12751 2006-04-23 Roger Sayle <roger@eyesopen.com>
12754 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
12755 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
12756 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
12758 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12760 * fold-const.c (range_predecessor): Use operand_equal_p
12761 as the predicate for equality.
12762 (range_successor): Likewise.
12764 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12767 * config/soft-fp/op-common.h: Fix a typo.
12769 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
12771 PR libmudflap/26864
12772 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
12773 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
12775 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12777 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
12779 * doc/tm.texi: Fix a typo.
12781 2006-04-21 Geoffrey Keating <geoffk@apple.com>
12783 * dwarf2out.c (struct die_struct): Document that die_sib makes
12784 a circular linked list.
12785 (FOR_EACH_CHILD): New.
12786 (reverse_die_lists): Delete.
12787 (reverse_all_dies): Delete.
12788 (add_dwarf_attr): Correct documentation.
12789 (remove_child_with_prev): New.
12790 (remove_child_TAG): Update for change to die_struct, use
12791 remove_child_with_prev.
12792 (add_child_die): Update for change to die_struct.
12793 (splice_child_die): Use remove_child_with_prev and add_child_die.
12794 (print_die): Use FOR_EACH_CHILD.
12795 (die_checksum): Likewise.
12796 (assign_symbol_names): Likewise.
12797 (output_location_lists): Likewise.
12798 (build_abbrev_table): Likewise.
12799 (calc_die_sizes): Likewise.
12800 (mark_dies): Likewise.
12801 (unmark_dies): Likewise.
12802 (unmark_all_dies): Likewise.
12803 (output_die): Likewise.
12804 (prune_unused_types_mark): Likewise.
12805 (prune_unused_types_walk): Likewise.
12806 (same_die_p): Update for change to die_struct.
12807 (break_out_includes): Likewise.
12808 (prune_unused_types_prune): Likewise.
12809 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
12810 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
12811 it's already clear.
12812 (dwarf2out_finish): Don't call reverse_all_dies.
12814 2006-04-21 Eric Christopher <echristo@apple.com>
12816 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
12817 in comments and function names.
12819 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12822 * c-typeck.c (digest_init): Robustify.
12824 * c-typeck.c (pop_init_level): Simplify.
12826 2006-04-21 Steve Ellcey <sje@cup.hp.com>
12828 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
12830 2006-04-21 Paul Brook <paul@codesourcery.com>
12832 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
12833 hardware floating point.
12835 2006-04-21 David Edelsohn <edelsohn@gnu.org>
12837 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
12840 2006-04-21 Nick Clifton <nickc@redhat.com>
12842 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
12845 2006-04-21 Alan Modra <amodra@bigpond.net.au>
12848 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
12849 C++ lang type in traceback table for Objective-C++.
12851 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
12853 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
12855 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
12857 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12860 * tree-mudflap.c (mudflap_finish_file): Skip function when there
12861 were errors. Remove check for erroneous objects.
12863 2006-04-20 Jeff Law <law@redhat.com>
12865 PR tree-optimization/26854
12866 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
12867 checking for zero or one use.
12868 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
12869 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
12870 * tree-ssa-reassoc.c (negate_value): Similarly.
12871 (reassociate_bb): Similarly.
12873 2006-04-20 Jakub Jelinek <jakub@redhat.com>
12876 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
12877 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
12878 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
12880 2006-04-20 Alan Modra <amodra@bigpond.net.au>
12882 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
12883 fp regs if the last fp arg doesn't fit in regs.
12885 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
12888 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
12889 that the last insn has the REG_INC note.
12891 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
12892 Nathan Sidwell <nathan@codesourcery.com>
12895 * stor-layout.c (update_alignment_for_field): Do not align
12897 (place_union_field): Place union field at the start of the union.
12898 (place_field): Move ERROR_MARK check later, and use the current
12899 allocation position to maintain monotonicity.
12901 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
12903 * dominance.c: Include timevar.h.
12904 (calculate_dominance_info): Use TV_DOMINANCE.
12905 * timevar.def (TV_DOMINANCE): New timevar.
12906 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
12908 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12910 PR rtl-optimization/14261
12911 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
12912 move would be an INSV insn.
12913 (noce_process_if_block): Don't optimize if the destination is a
12914 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
12916 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12918 * config/s390/s390.md: Add comments with the instructions emitted
12919 by an insn pattern if macros are used.
12921 2006-04-19 Alan Modra <amodra@bigpond.net.au>
12923 PR rtl-optimization/26026
12924 * fold-const.c (fold_binary): Optimize div and mod where the divisor
12925 is a known power of two shifted left a variable amount.
12927 2006-04-18 Geoffrey Keating <geoffk@apple.com>
12929 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
12930 to hash table twice when the debug_str section has SECTION_MERGE.
12932 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
12934 * config/soft-fp: New directory. From glibc.
12935 * config/soft-fp/t-softfp: New.
12936 * config/soft-fp/README: New.
12937 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
12938 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
12939 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
12940 (LIBGCC_DEPS): Add $(SFP_MACHINE).
12941 * config.gcc: Use rs6000/t-fprules-fpbit or
12942 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
12944 * config/rs6000/sfp-machine.h: New. Based on glibc.
12945 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
12947 * config/rs6000/t-fprules: Remove fp-bit rules.
12948 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
12949 * config/rs6000/t-linux64: Likewise. Remove duplicates from
12950 LIB2FUNCS_EXTRA. Remove fp-bit rules.
12951 (softfp_wrap_start, softfp_wrap_end): New.
12953 2006-04-18 DJ Delorie <dj@redhat.com>
12955 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
12957 2006-04-18 Devang Patel <dpatel@apple.com>
12959 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
12961 2006-04-18 Nick Clifton <nickc@redhat.com>
12963 * config/sh/t-symbian: Add rule to build sh-c.o
12964 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
12965 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
12966 (sh_symbian_encode_section_info): Likewise.
12968 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
12970 * builtins.c (expand_builtin_strcmp): Cover label definition of
12971 do_libcall with HAVE_cmpstrnsi.
12973 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
12975 * function.c (temp_slots_at_level, max_slot_level): Use VEC
12977 * function.h (temp_slot_p): New.
12978 (function): Change the type of x_used_temp_slots to
12979 VEC(temp_slot_p,gc) *.
12981 2006-04-18 Nick Clifton <nickc@redhat.com>
12983 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
12984 flag_strength_reduce.
12986 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
12988 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12992 Partial revert of revision 112637
12993 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12994 Dale Johannesen <dalej@apple.com>
12997 * regclass.c (struct reg_pref): Update documentation.
12998 (regclass): Set prefclass to NO_REGS if memory is the best option.
12999 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13001 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13003 PR tree-optimization/26821
13004 * tree-ssa-math-opts.c (get_constant_one): New.
13005 (insert_reciprocals): Use it.
13007 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13009 * dwarf2out.c (free_AT): Delete.
13010 (remove_AT): Update string ref counts.
13011 (remove_child_TAG): Don't call free_die.
13012 (free_die): Delete.
13013 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13014 or DW_TAG_GNU_EINCL.
13015 (prune_unused_types_walk_attribs): Reset string refcounts.
13016 (prune_unused_types_update_strings): New.
13017 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13018 call free_die. Do call prune_unused_types_update_strings.
13019 (prune_unused_types): Empty debug_str_hash.
13021 2006-04-17 Roger Sayle <roger@eyesopen.com>
13023 * expr.c (expand_assignment): Optimize away no-op moves where the
13024 source and destination are equal and have no side-effects.
13026 2006-04-17 Richard Guenther <rguenther@suse.de>
13029 * reload.c (push_reload): Guard calls to get_secondary_mem
13030 for memory subregs.
13032 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13034 * alias.c (reg_base_value, old_reg_base_value): Change the
13035 type to VEC(rtx,gc) *.
13036 (REG_BASE_VALUE, find_base_value, record_set,
13037 init_alias_analysis): Use VEC instead of VARRAY.
13039 * alias.c (alias_sets): Change the type to
13040 VEC(alias_set_entry,gc) *.
13041 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13042 VEC instead of VARRAY.
13043 (last_alias_set): Remove.
13045 * cgraph.h (cgraph_edge_p): New.
13046 Update the prototype of cgraph_function_versioning.
13047 * cgraphunit.c (cgraph_copy_node_for_versioning,
13048 cgraph_function_versioning): Use VEC instead of VARRAY.
13049 * ipa-cp.c (ipcp_insert_stage): Likewise.
13051 2006-04-16 Roger Sayle <roger@eyesopen.com>
13054 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13055 "A op B" or "A op C", we may need to convert A to the type of B and C.
13057 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13059 * target.h (struct gcc_target): Add mode_rep_extended.
13060 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13061 (init_num_sign_bit_copies_in_rep): Initialize it using
13063 (truncate_to_mode): Use it.
13064 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13065 * targhooks.h (default_mode_rep_extended): Declare it.
13066 * targhooks.c (default_mode_rep_extended): Define it.
13067 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13068 default_mode_rep_extended.
13069 (TARGET_INITIALIZER): Include it.
13070 * doc/tm.texi (Misc): Document it.
13071 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13072 (mips_truncated_to_mode): New function.
13074 2006-04-16 Roger Sayle <roger@eyesopen.com>
13076 PR middle-end/25474
13077 * expr.c (compress_float_constant): Copy the narrow constant into
13078 a new pseudo before extending it to its final width.
13080 2006-04-16 Roger Sayle <roger@eyesopen.com>
13081 Andrew Pinski <pinskia@gcc.gnu.org>
13082 Dale Johannesen <dalej@apple.com>
13085 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13086 special case code to implement V8HImode and V16QImode with SSE2.
13088 2006-04-15 Roger Sayle <roger@eyesopen.com>
13090 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13091 trees are constructed with a suitable tree type.
13093 2006-04-15 Roger Sayle <roger@eyesopen.com>
13095 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13096 (integer_onep): Likewise.
13097 (integer_all_onesp): Likewise.
13098 (integer_pow2p): Likewise.
13099 (integer_nonzerop): Likewise.
13100 (real_zerop): Likewise.
13101 (real_onep): Likewise.
13102 (real_twop): Likewise.
13103 (real_minus_onep): Likewise.
13104 (int_size_in_bytes): Likewise.
13105 (host_integerp): Likewise.
13107 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13109 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13110 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13111 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13113 * tree-ssa-structalias.h (alias_info): Remove num_references.
13115 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13117 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13118 (output_bvb patterns): Likewise.
13119 * pa.c (output_bb): Use 'bb' insn for long branch case.
13120 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13121 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13122 1. Correct length operand for alternatives 1 and 2.
13123 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13124 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13126 2006-04-14 Roger Sayle <roger@eyesopen.com>
13128 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13129 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13130 were accidentally reverted by r112959.
13132 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13134 PR middle-end/26823
13135 * except.h (eh_region_outermost): New prototype.
13136 * except.c (eh_region_outermost): New function.
13137 * tree-cfg.c (find_outermost_region_in_block): Use it.
13139 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13141 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13143 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13144 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13145 (init_reload, reload): Use VEC instead of VARRAY.
13146 * reload.h: Update the prototype for
13147 reg_equiv_memory_loc_varray.
13149 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13150 Eric Botcazou <ebotcazou@libertysurf.fr>
13152 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13153 register save area.
13155 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13157 PR middle-end/27134
13158 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13159 to expand fallback builtin function call.
13161 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13163 PR middle-end/27095
13164 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13165 and emit libcall here in case the builtin fails.
13166 (expand_builtin_strcmp): Always emit the libcall here on failure.
13168 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13170 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13171 * flow.c (reg_n_info): Change the type to
13172 VEC(reg_info_p,heap) *.
13173 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13175 * regs.h (reg_info_p): New.
13176 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13177 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13178 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13181 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13183 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13185 * params.h (MAX_SCHED_READY_INSNS): New macro.
13186 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13187 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13188 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13189 the ready list for 1 cycle during the first scheduling pass.
13190 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13192 2006-04-13 Richard Henderson <rth@redhat.com>
13195 * gimple-low.c (lower_omp_directive): Remove dead code.
13196 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13197 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13198 * omp-low.c (struct omp_region): Move to tree-flow.h.
13199 (root_omp_region): Export.
13200 (omp_regions, lookup_omp_region): Remove.
13201 (determine_parallel_type): Update for struct omp_region changes.
13202 (dump_omp_region): Dump regions with block numbers.
13203 (new_omp_region): Take type and block instead of stmt; malloc
13205 (free_omp_region_1, free_omp_regions): New.
13206 (expand_parallel_call): Take entry_stmt as argument; update for
13207 changes to omp_region.
13208 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13209 (remove_exit_barriers): New.
13210 (expand_omp_parallel): Update for struct omp_region changes.
13211 (expand_omp_synch): Likewise.
13212 (expand_omp): Likewise.
13213 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13214 (expand_omp_for_static_chunk): Likewise.
13215 (expand_omp_for): Likewise.
13216 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13217 (expand_omp_sections): Similarly, with GOMP_sections_end.
13218 (expand_omp_single): New.
13219 (build_omp_regions_1): Update for OMP_CONTINUE.
13220 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13221 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13222 OMP_SECTIONS_SECTIONS.
13223 (lower_omp_single_simple): Don't emit barrier here.
13224 (lower_omp_single_copy): Likewise.
13225 (lower_omp_single): Fix bindings, and lower to straightline now.
13226 (lower_omp_master, lower_omp_ordered): Likewise.
13227 (lower_omp_critical): Likewise.
13228 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13229 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13230 omp edges, free it afterward.
13231 (make_omp_sections_edges): Remove.
13232 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13233 (move_stmt_r): Handle OMP_CONTINUE.
13234 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13235 statement pointers to basic blocks. Add type member.
13236 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13237 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13238 * tree-inline.c (estimate_num_insns_1): Likewise.
13239 * tree-pretty-print.c (dump_generic_node): Likewise.
13240 * tree-ssa-operands.c (get_expr_operands): Likewise.
13241 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13242 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13243 (OMP_CONTINUE): New.
13244 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13245 (OMP_SECTIONS_SECTIONS): Remove.
13246 (OMP_SECTION_LAST): New.
13247 (OMP_RETURN_NOWAIT): New.
13249 2006-04-13 Roger Sayle <roger@eyesopen.com>
13251 * fold-const.c (native_encode_vector, native_interpret_real):
13252 Correct obvious mistakes in the previous check-in.
13254 2006-04-13 Roger Sayle <roger@eyesopen.com>
13256 * fold-const.c (native_encode_expr): New function to encode
13257 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13258 or VECTOR_CST into a specified buffer.
13259 (native_encode_int): New function.
13260 (native_encode_real): New function.
13261 (native_encode_complex): New function.
13262 (native_encode_vector): New function.
13263 (native_interpret_expr): Inverse of native_encode_expr to convert
13264 a target representation into an INTEGER_CST, REAL_CST etc...
13265 (native_interpret_int): New function.
13266 (native_interpret_real): New function.
13267 (native_interpret_complex): New function.
13268 (native_interpret_vector): New function.
13269 (fold_view_convert_expr): New function to constant fold/evaluate
13270 a VIEW_CONVERT_EXPR of a suitable constant expression.
13271 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13272 Change call of build1 to fold_build1 when constructing a
13275 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13276 Ulrich Weigand <uweigand@de.ibm.com>
13279 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13282 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13285 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13286 optimize to lo_sum for DFmode if !TARGET_FPRS.
13288 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13290 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13291 delete_alias_info, compute_flow_sensitive_aliasing,
13292 group_aliases): Use VEC instead of VARRAY.
13293 * tree-ssa-structalias.c (update_alias_info): Likewise.
13294 * tree-ssa-structalias.h (alias_info): Change the type of
13295 processed_ptrs to VEC(tree,heap) *.
13297 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13300 * config/sh/lib1funcs.h: New file, broken out of:
13301 * config/sh/lib1funcs.asm.
13302 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13304 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13305 * config/sh/lib1funcs-Os-4-200.asm: New file.
13306 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13307 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13308 (EXTRA_MULTILIB_PARTS): Include it.
13309 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13310 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13311 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13312 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13315 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13317 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13318 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13319 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13321 * tree-ssa-live.h: Include vecprim.h.
13322 (tree_partition_associator_d): Change the type of
13323 first_partition to VEC(int,heap) *.
13324 (tpa_first_partition): Use VEC instead of VARRAY.
13326 * Makefile.in (GTFILES): Move functions.h after tree.h.
13327 * function.c (reset_block_changes, record_block_change,
13328 check_block_change, free_block_changes): Use VEC instead of
13330 * function.h (function): Change the type of
13331 ib_boundaries_block to VEC(tree,gc) *.
13332 * tree-inline.c (copy_cfg_body): Initialize
13333 ib_boundaries_block to NULL instead of (varray_type) 0.
13335 2006-04-12 Roger Sayle <roger@eyesopen.com>
13337 * expr.c (emit_group_store): Correct operand order in call to
13338 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13339 a SUBREG_BYTE of zero.
13341 2006-04-12 Richard Guenther <rguenther@suse.de>
13343 * profile.c (compute_branch_probabilities): Remove code
13344 encapsulated in !ir_type (), which are remanents of the
13345 removed RTL profiling code.
13346 * rtl-profile.c: Remove.
13348 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13350 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13351 magic NULL_RTX comment.
13352 (function_arg): Store entire fp arg to mem if any part should go
13354 (rs6000_arg_partial_bytes): Adjust for above change.
13356 2006-04-11 Roger Sayle <roger@eyesopen.com>
13358 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13359 if it hasn't been initialized by dwarf2out_init.
13361 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13363 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13364 symbolic constants in branch patterns.
13366 2006-04-11 Roger Sayle <roger@eyesopen.com>
13368 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13370 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13372 PR rtl-optimization/27073
13373 * gcse.c (try_replace_reg): Revert last change. Continue to search
13374 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13377 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13379 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13380 aggregate types other than record and union types.
13381 (function_arg): Likewise.
13382 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13384 (function_value): In 64-bit mode, return objects that require it
13387 2006-04-11 Roger Sayle <roger@eyesopen.com>
13389 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13391 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13393 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13395 2006-04-03 Jeff Law <law@redhat.com>
13398 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13399 alias information too.
13401 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13403 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13405 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13408 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13409 (premark_used_types_helper): New.
13410 (premark_used_types): New.
13411 (gen_subprogram_die): Call premark_used_types.
13412 (prune_unused_types_walk): Do not prune perennial dies.
13413 * function.c (used_types_insert): New.
13414 * function.h (struct function): Add used_types_hash field.
13415 (used_types_insert): Add prototype.
13416 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13417 * c-parser.c (c_parser_cast_expression): Save casted types in used
13420 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13423 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13424 rs6000_explicit_options.float_gprs.
13426 2006-04-10 Roger Sayle <roger@eyesopen.com>
13428 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
13429 from ix86_expand_vector_init_low_nonzero. Take an additional
13430 one_var argument indicating which element is non-zero. Support
13431 one_var != 0 for V4SFmode and V4SImode by permuting the result.
13432 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
13433 with one_var instead of ix86_expand_vector_init_low_nonzero.
13435 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
13437 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
13438 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
13439 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
13440 build/genextract.o): Depend on vecprim.h.
13441 * cfglayout.c, df-problems.c, function.c, genextract.c,
13442 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
13443 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
13447 2006-04-10 Geoffrey Keating <geoffk@apple.com>
13449 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
13450 Declare VECs of this type.
13451 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
13452 (remove_children): Delete.
13453 (add_dwarf_attr): Use VEC routines.
13454 (add_AT_flag): Update for changes to add_dwarf_attr.
13455 (add_AT_int): Likewise.
13456 (add_AT_unsigned): Likewise.
13457 (add_AT_long_long): Likewise.
13458 (add_AT_vec): Likewise.
13459 (add_AT_string): Likewise.
13460 (add_AT_die_ref): Likewise.
13461 (add_AT_fde_ref): Likewise.
13462 (add_AT_loc): Likewise.
13463 (add_AT_loc_list): Likewise.
13464 (add_AT_addr): Likewise.
13465 (add_AT_lbl_id): Likewise.
13466 (add_AT_lineptr): Likewise.
13467 (add_AT_macptr): Likewise.
13468 (add_AT_offset): Likewise.
13469 (add_AT_range_list): Likewise.
13470 (get_AT): Use VEC_iterate.
13471 (remove_AT): Use VEC_ordered_remove.
13472 (free_die): Fold remove_children into here; have it use VEC_iterate.
13473 (print_die): Use VEC_iterate on attrs.
13474 (reverse_die_lists): Don't reverse attr lists.
13475 (die_checksum): Use VEC_iterate on attrs.
13476 (same_die_p): Likewise.
13477 (output_location_lists): Likewise.
13478 (build_abbrev_table): Likewise.
13479 (size_of_die): Likewise.
13480 (unmark_all_dies): Likewise.
13481 (output_abbrev_section): Likewise.
13482 (output_die): Likewise.
13483 (prune_unused_types_walk_attribs): Likewise.
13485 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13487 * doc/install.texi (*-*-solaris2*): Point to the configure page.
13489 2006-04-10 Jakub Jelinek <jakub@redhat.com>
13492 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
13494 2006-04-09 Roger Sayle <roger@eyesopen.com>
13496 * expr.c (store_constructor): Don't bother clearing target if
13497 we're about to assign a vector to it using vec_init_optab.
13499 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
13501 * tree-ssa-alias.c (lhs_may_store_to): New function.
13502 (recalculate_used_alone): Handle LHS of calls.
13504 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13508 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
13509 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
13510 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
13511 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
13512 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
13513 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
13514 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
13515 stubs. Add ".align 8" directives before all ".dword" directives.
13516 (GTHREAD_USE_WEAK): Revise comment.
13517 (TARGET_ATTRIBUTE_WEAK): Define.
13518 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
13519 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
13520 * stublib.c: New file.
13525 * pa.md (cbranch patterns): Revise arguments used in calls to
13526 output_cbranch, output_bb and output_bvd. Add long branch length
13528 (fbranch patterns): Handle long branches.
13529 (jump): Revise length check. Revise arguments for output_lbranch call.
13530 Add long branch length attributes.
13531 (decrement_and_branch_until_zero): Add long branch length attributes.
13532 (output_movb, output_parallel_addb and output_parallel_movb patterns):
13533 Likewise. Revise arguments for output_parallel_addb and
13534 output_parallel_movb calls.
13535 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
13536 output_parallel_movb and output_parallel_addb): Update prototypes.
13537 * pa.c (output_cbranch): Revise arguments. Correct handling of
13538 nullification in long branches.
13539 (output_lbranch): Add new argument to control extraction of delay
13541 (output_bb): Handle long branches.
13542 (output_bvb, output_dbra, output_movb, output_parallel_movb,
13543 output_parallel_addb): Likewise.
13545 2006-04-09 Richard Sandiford <richard@codesourcery.com>
13547 PR rtl-optimization/27073
13548 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
13551 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
13553 * tree.h (tree_memory_tag): Add old_used_alone.
13554 (SMT_OLD_USED_ALONE): New macro.
13555 * tree-ssa-alias.c (recalculate_used_alone): Stop
13556 marking things for renaming unnecessarily.
13558 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13560 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13561 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13562 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13563 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13564 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13565 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
13566 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
13567 spelling convensions.
13568 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
13569 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13570 typos. Follow spelling conventions.
13572 2006-04-07 DJ Delorie <dj@redhat.com>
13574 * config/m32c/m32c.c (m32c_function_arg): Structures are always
13575 passed on the stack.
13576 (m32c_init_cumulative_args): When a function returns a structure,
13577 always pass the pointer to that return area on the stack.
13578 (m32c_function_arg_advance): Don't increment the parameter number
13579 if we're processing the returned structure pointer.
13580 (pushm_info): Reverse order of registers.
13582 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
13584 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
13585 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13586 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
13587 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
13588 build_int_cst_type.
13589 * tree-chrec.c (chrec_fold_multiply_poly_poly,
13590 chrec_fold_multiply): Same.
13591 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
13592 force_expr_to_var_cost): Same.
13593 * tree-mudflap.c (mf_xform_derefs_1): Same.
13594 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
13596 2006-04-07 David Edelsohn <edelsohn@gnu.org>
13598 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
13599 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
13602 2006-04-07 Jan Hubicka <jh@suse.cz>
13604 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
13606 2006-04-07 Richard Guenther <rguenther@suse.de>
13608 PR tree-optimization/26135
13609 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
13610 loads for store copy-prop.
13611 (copy_prop_visit_stmt): Likewise.
13613 2006-04-05 Robert Millan <robertmh@gnu.org>
13615 * config/i386/linux.h: Add a comment to mark macros that are
13616 being overriden in config/k*bsd-gnu.h.
13617 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
13619 * config/knetbsd-gnu.h: Ditto.
13621 2006-04-06 Jan Hubicka <jh@suse.cz>
13625 * coverage.c (coverage_checksum_string): Reorganize loop to not read
13628 2006-04-06 Mike Stump <mrs@apple.com>
13630 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
13631 for HAVE_nonlocal_goto to be consistent.
13632 (expand_builtin_nonlocal_goto): Likewise.
13633 (expand_builtin_strcmp): Use #ifdef instead of #if
13634 for HAVE_cmpstrnsi to be consistent.
13636 2006-04-05 DJ Delorie <dj@redhat.com>
13638 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
13641 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
13643 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
13644 got-relative addressing for anything but SImode.
13646 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
13647 even if the calling function doesn't modify them.
13649 2006-04-05 Richard Guenther <rguenther@suse.de>
13651 PR tree-optimization/26919
13652 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
13653 to cgraph_estimate_size_after_inlining.
13655 2006-04-05 Alan Modra <amodra@bigpond.net.au>
13657 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
13659 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
13661 PR tree-optimization/26996
13662 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
13663 VECTOR_TYPE variables.
13665 2006-04-05 Richard Guenther <rguenther@suse.de>
13667 PR tree-optimization/26763
13668 * fold-const.c (fold_comparison): Move folding of
13669 PTR + CST CMP PTR + CST ...
13670 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
13672 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
13674 * doc/install.texi (Prerequisites): Refine some wording on
13675 bootstrapping and ksh.
13676 Move the version numbers of DejaGnu here from the testing section
13677 and fix casing of names.
13678 Fix markup and clarify wording for autogen requirements.
13679 Refer to GCJ instead of just java.
13680 Refer to SVN instead of CVS.
13681 Describe diffutils as useful instead of necessary.
13682 (Downloading the source): Refer to SVN instead of CVS.
13683 Adjust a link to our web site accordingly.
13684 (Configuration): Fix casing of Bison.
13685 (Building): Refer to SVN instead of CVS.
13686 Fix a sentence on the use of Bison and remove duplicate (and
13687 incorrect) version number of Bison requirement.
13688 Remove one redundant list of packages needed for building.
13689 (Specific): Avoid reference to CVS.
13691 2006-04-04 Eric Christopher <echristo@apple.com>
13693 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
13694 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
13695 (rs6000_handle_struct_attribute): New.
13696 (rs6000_ms_bitfield_layout_p): Ditto.
13698 2006-04-04 Geoffrey Keating <geoffk@apple.com>
13700 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
13701 NULL for dso parameter to atexit_common.
13703 2006-04-04 Eric Christopher <echristo@apple.com>
13705 * config/i386/i386.c (machopic_output_stub): Output \t
13706 between instructions and operands.
13708 2006-04-04 David Edelsohn <edelsohn@gnu.org>
13710 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
13711 satisfies_constraint_[IL] to explicit tests on value.
13713 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
13715 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13716 set_nb_iterations_in_loop): Use build_int_cst instead of
13717 build_int_cst_type.
13718 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
13719 build_int_cst instead of convert.
13721 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
13723 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
13724 new value 2 for incoming.
13725 * function.c (expand_function_start): Call struct_value_rtx
13726 with incoming as 2.
13727 * config/sparc/sparc.md: Comment updated_return.
13728 * config/sparc/sparc.opt: Add -mstd-struct-return option.
13729 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
13730 struct return if sparc_std_struct_return and incoming is 2.
13731 (print_operand): Do not adjust return if
13732 sparc_std_struct_return.
13734 2006-04-04 Roger Sayle <roger@eyesopen.com>
13736 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
13737 convert in the middle-end.
13738 * expr.c (store_expr, store_constructor, get_inner_reference,
13739 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
13741 * tree.c (build_range_type): Likewise.
13743 2006-04-04 Tom Tromey <tromey@redhat.com>
13745 * doc/install.texi (Prerequisites): Mention jar.
13747 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
13749 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
13752 2006-04-04 Matthias Klose <doko@debian.org>
13754 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
13758 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
13761 2006-04-03 Geoffrey Keating <geoffk@apple.com>
13763 * doc/extend.texi (Function Attributes): Rewrite visibility
13764 attribute documentation.
13765 * doc/invoke.texi (C++ Dialect Options): Rewrite
13766 -fvisibility-inlines-hidden documentation to describe something
13767 entirely different, although in practise compatible.
13768 (Code Gen Options): Warn about system headers in -fvisibility=
13771 * doc/extend.texi (Other Builtins): Document that
13772 __builtin_nan is a compile-time constant only when its argument
13775 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
13777 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
13778 trying to remove TRUNCATE check if all bits outside the new mode
13779 are identical to the sign bit.
13781 2006-04-03 Jeff Law <law@redhat.com>
13783 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
13784 and operand scanning in some common cases.
13786 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13787 Dale Johannesen <dalej@apple.com>
13790 * regclass.c (struct reg_pref): Update documentation.
13791 (regclass): Set prefclass to NO_REGS if memory is the best option.
13792 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13793 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
13794 into account. For non-registers, equate an empty preferred
13795 reload class to a `!' in the constraint; move the if clause to
13796 do so after those that reject the insn.
13797 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
13799 (find_dummy_reload): Likewise.
13800 * doc/tm.texi (Register Classes): Document what it means
13801 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
13802 * config/i386/i386.c (ix86_preferred_reload_class): Force
13803 using SSE registers (and return NO_REGS for floating-point
13804 constants) if math is done with SSE.
13805 (ix86_preferred_output_reload_class): New.
13806 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
13807 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
13808 * config/i386/i386.md: Remove # register preferences.
13810 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13813 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13814 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
13815 the type of nb_iter.
13816 (instantiate_parameters_1): Convert the operands before calling
13817 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
13818 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
13820 2006-04-02 Roger Sayle <roger@eyesopen.com>
13822 * builtins.c (dummy_object): Use build_int_cst instead of convert.
13823 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
13824 instead of convert.
13825 * dojump.c (do_jump): Likewise.
13826 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
13827 * gimplify.c (gimple_boolify, gimplify_init_constructor,
13828 gimplify_boolean_expr): Likewise.
13829 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
13830 * varasm.c (array_size_for_constructor): Likewise.
13831 * tree-object-size.c (compute_object_offset): Likewise.
13833 2006-04-02 Roger Sayle <roger@eyesopen.com>
13835 PR middle-end/26977
13836 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
13837 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
13839 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13841 PR tree-optimization/26939
13842 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
13844 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13846 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
13847 at_stmt. Convert the type of operands before calling
13848 build_polynomial_chrec.
13849 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
13850 add_to_evolution_1.
13851 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
13852 (instantiate_parameters_1): Convert the type of operands before calling
13853 build_polynomial_chrec.
13854 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
13855 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
13856 reset_evolution_in_loop): Insert asserts to check the types of the
13858 (chrec_type): Moved...
13859 (eq_evolutions_p): Use operand_equal_p.
13860 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
13861 the types of the operands.
13862 (chrec_type): ...here.
13863 * tree-data-ref.c (create_data_ref): Convert the operands before
13864 calling chrec_replace_initial_condition.
13865 (same_access_functions, analyze_subscript_affine_affine,
13866 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
13867 (compute_subscript_distance, analyze_ziv_subscript,
13868 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
13869 analyze_miv_subscript): Convert the operands before calling
13870 chrec_fold_minus or chrec_fold_plus.
13872 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13874 * tree-data-ref.c (compute_all_dependences): Use a pointer to
13875 the dependence_relations vector.
13876 (compute_data_dependences_for_loop): Adjust call to
13877 compute_all_dependences.
13879 2006-04-01 Roger Sayle <roger@eyesopen.com>
13880 Richard Henderson <rth@redhat.com>
13882 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
13883 gimple_boolify on the condition before calling gimplify_expr.
13885 2006-03-31 Bob Wilson <bob.wilson@acm.org>
13887 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
13888 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
13889 the frame size. Update to use the new macros.
13890 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
13891 * config/xtensa/ieee754-df.S: Likewise.
13893 2006-03-31 Richard Henderson <rth@redhat.com>
13895 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
13896 (make_edges): ... here. Control fallthru creation with a local
13897 variable. Do not play with fake edges.
13898 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
13899 (make_goto_expr_edges): Don't play with fake edges. Make for_call
13902 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
13904 * dwarf2.h (DW64_CIE_ID): Define.
13905 * dwarf2out.c (DWARF_CIE_ID): Define.
13906 (output_call_frame_info): Output 0xffffffff before standard 8-byte
13907 length header. Use DWARF_CIE_ID.
13908 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
13909 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
13911 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
13913 * config/sh/linux-atomic.asm: New file.
13914 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
13916 2006-03-31 DJ Delorie <dj@redhat.com>
13918 * config/m32c/cond.md: Set condition flags properly throughout.
13919 * config/m32c/minmax.md: Likewise.
13920 * config/m32c/prologue.md: Likewise.
13921 * config/m32c/bitops.md: Likewise.
13922 * config/m32c/muldiv.md: Likewise.
13923 * config/m32c/mov.md: Likewise.
13924 * config/m32c/addsub.md: Likewise.
13925 * config/m32c/m32c.md: Likewise.
13926 * config/m32c/jump.md: Likewise.
13927 * config/m32c/shift.md: Likewise.
13929 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
13930 conditionally output the pattern for this.
13931 * config/m32c/m32c.c (flags_needed_for_conditional): New.
13932 (m32c_compare_redundant): New.
13933 (m32c_output_compare): New.
13934 * config/m32c/m32c-protos.h (m32c_output_compare): New.
13936 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
13937 dest, not src. Allow other 4-byte modes.
13939 2006-03-30 Denis Chertykov <denisc@overta.ru>
13941 * doc/md.texi: Refer to avr/constraints.md instead of
13944 2006-03-30 Roger Sayle <roger@eyesopen.com>
13946 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
13947 signed vs. unsigned comparison failures on some hosts.
13949 2006-03-31 Alan Modra <amodra@bigpond.net.au>
13952 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
13953 change to FLOAT_REGS.
13955 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
13956 (rs6000_override_options): Use it.
13957 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
13958 only for -mabi=spe/no-spe and -mabi=altivec.
13960 2006-03-30 Geoffrey Keating <geoffk@apple.com>
13962 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
13965 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
13967 * Makefile.in: Rename docdir to gcc_docdir.
13969 2006-03-30 Roger Sayle <roger@eyesopen.com>
13972 * expr.c (emit_group_store): Optimize group stores into a pseudo
13973 register by using a paradoxical subreg to initialize the destination
13974 if the first or last member of the group specifies a "low part".
13976 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13979 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
13980 * target.h (struct gcc_target.speculate_insn): Change type of the
13981 second parameter to 'int'.
13982 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
13983 the second operand of the DEPS_LIST.
13984 (copy_DEPS_LIST_list): Update reference to the second operand of the
13986 * rtl.h (alloc_DEPS_LIST): Update signature.
13987 * sched-int.h (ds_t): Change typedef to 'int'.
13988 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13990 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13992 * haifa-sched.c (try_ready): Change condition to restore
13993 non-speculative pattern of the instruction.
13994 (process_insn_depend_be_in_spec): Code to keep probability of the
13995 speculative dependence non-decreasing.
13997 2006-03-30 Jie Zhang <jie.zhang@analog.com>
13999 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14000 (single_move_for_movmem): ... this. Also change all uses.
14001 (bfin_expand_strmov): Renamed to...
14002 (bfin_expand_movmem): ... this. Also change all uses.
14003 * config/bfin/bfin.md (movstrsi): Renamed to...
14004 (movstrsi): ...this.
14006 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14008 PR tree-optimization/26830
14010 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14011 (copy_prop_visit_stmt): Remove write-only variable ann.
14012 (init_copy_prop): Check variable loop depth here. Do not simulate
14013 memory-tag and virtual operand PHIs except for store copy prop.
14015 2006-03-30 Richard Guenther <rguenther@suse.de>
14017 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14018 variants with double arguments.
14020 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14022 * genpreds.c (write_tm_constrs_h): Delete variable p.
14023 * genconditions.c (write_header): Add tm-constrs.h to included
14025 * genpeep.c (main): Add toplev.h to included headers.
14026 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14027 (build/genpeep.o): Add toplev.h dependency.
14028 * config/rs6000/constraints.md: Add "W" constraint.
14030 2006-03-29 Roger Sayle <roger@eyesopen.com>
14032 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14033 sizes by correctly testing whether the size fits a host integer.
14034 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14035 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14036 SImode range for the default sizetype and bitsizetype.
14038 2006-03-29 Roger Sayle <roger@eyesopen.com>
14040 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14041 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14042 quickly if the argument is already of the correct type.
14043 Call fold_build1 instead of build1. Tidy up blank lines.
14045 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14047 * genemit.c (main): Add tm-constrs.h to included headers.
14048 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14049 * genpeep.c (main): Add tm-constrs.h to included headers.
14050 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14051 (write_tm_constrs_h): this and write complete file.
14052 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14053 (write_insn_preds_c): Add tm-constrs.h to included headers.
14054 (gen_constrs): New variable.
14055 (parse_option): Parse "-c".
14056 (main): Invoke write_tm_constrs_h.
14057 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14058 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14059 (object_out_file): Add tm-constrs.h dependency.
14060 (insn-emit.o): Same.
14061 (insn-output.o): Same.
14062 (insn-peep.o): Same.
14063 (insn-preds.o): Same.
14064 (insn-recog.o): Same.
14065 (tm-constsr.h): New target.
14066 (s-constrs-h): New target.
14068 * config/rs6000/constraints.md: New file.
14069 * config/rs6000/rs6000.c: Include tm-constrs.h.
14070 (num_insn_constant_wide): Convert to satisfies_constraint.
14071 (rs6000_rtx_costs): Convert to satisfies_constraint.
14072 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14073 (CONST_OK_FOR_LETTER_P): Delete.
14074 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14075 (EXTRA_CONSTRAINT): Delete.
14076 (EXTRA_MEMORY_CONSTRAINT): Delete.
14077 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14078 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14079 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14080 satisfies_constraint.
14082 * config/i386/i386.c: Include tm-constrs.h.
14084 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14086 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14087 * tree-data-ref.c (find_data_references_in_loop,
14088 compute_data_dependences_for_loop): Use pointers to VEC.
14089 (analyze_all_data_dependences): Adjust calls.
14090 * tree-data-ref.h (find_data_references_in_loop,
14091 compute_data_dependences_for_loop): Adjust declarations.
14092 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14093 compute_data_dependences_for_loop.
14095 2006-03-29 Paul Brook <paul@codesourcery.com>
14097 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14098 (movdf_vfp): Ditto.
14100 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14102 PR tree-optimization/26859
14103 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14105 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14106 for the step after fold_convert.
14108 2006-03-29 Paul Brook <paul@codesourcery.com>
14110 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14111 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14113 2006-03-29 Paul Brook <paul@codesourcery.com>
14115 PR middle-end/23623
14116 * targhooks.c (default_narrow_bitfield): New fuction.
14117 * targhooks.h (default_narrow_bitfield): add prototype.
14118 * target.h (gcc_target): Add narrow_volatile_bitfield.
14119 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14120 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14121 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14122 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14124 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14126 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14128 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14129 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14130 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14131 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14132 (s390_function_arg_float): Allow SDmode and DDmode values to be
14133 passed in floating point registers.
14134 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14135 check with SCALAR_FLOAT_MODE_P.
14136 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14138 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14140 PR tree-optimization/25985
14141 * tree-ssa-loop-niter.c (number_of_iterations_le,
14142 number_of_iterations_ne): Make comments more precise.
14143 (number_of_iterations_cond): Add only_exit argument. Use the
14144 fact that signed variables do not overflow only when only_exit
14146 (loop_only_exit_p): New.
14147 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14148 number_of_iterations_cond.
14150 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14152 PR tree-optimization/26643
14153 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14156 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14158 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14159 (divsi3_i4_int): Likewise.
14161 2006-03-28 Roger Sayle <roger@eyesopen.com>
14163 * expr.c (emit_group_store): Only create a new pseudo reg if the
14164 quantity it needs to hold isn't already a suitable pseudo.
14166 2006-03-28 Jeff Law <law@redhat.com>
14168 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14169 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14171 2006-03-28 Roger Sayle <roger@eyesopen.com>
14173 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14174 the equivalent ~X & Y, and the symmetry related transformations.
14175 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14176 ~X & Y, and symmetry related transforms.
14178 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14180 Revert my 2006-03-27 patches.
14182 2006-03-28 Roger Sayle <roger@eyesopen.com>
14184 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14185 ~(T1)X, when T1 and T2 are integer types of the same precision
14186 and (T2)X isn't an extension.
14188 2006-03-28 Jeff Law <law@redhat.com>
14190 PR tree-optimization/26796
14191 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14192 need EH edge cleanups rather than purging them immediately.
14193 (eliminate_degenerate_phis): Handle queued EH cleanups.
14195 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14197 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14200 2006-03-27 Roger Sayle <roger@eyesopen.com>
14202 PR middle-end/22524
14203 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14204 cast BIT_NOT_EXPR operand to the correct type.
14206 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14208 * tree-loop-linear.c: Don't include varray.h.
14209 (gather_interchange_stats, try_interchange_loops,
14210 linear_transform_loops): Use VEC instead of VARRAY.
14211 * lambda-mat.c: Don't include varray.h.
14212 * tree-chrec.c: Same.
14213 * lambda-trans.c: Same.
14214 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14215 VEC instead of VARRAY.
14216 * tree-vectorizer.h: Idem.
14217 * tree-data-ref.c (dump_data_references,
14218 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14219 initialize_data_dependence_relation, finalize_ddr_dependent,
14220 compute_all_dependences, find_data_references_in_loop,
14221 compute_data_dependences_for_loop, analyze_all_data_dependences,
14222 free_dependence_relation, free_dependence_relations,
14223 free_data_refs): Idem.
14224 * tree-data-ref.h (data_reference_p, subscript_p): New.
14225 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14226 VEC instead of VARRAY.
14227 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14228 (find_data_references_in_loop, compute_data_dependences_for_loop,
14229 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14230 dump_data_dependence_relations, free_dependence_relations,
14231 free_data_refs): Adjust declaration.
14232 (lambda_transform_legal_p): Move declaration here...
14233 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14234 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14235 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14236 vect_analyze_data_refs): Use VEC instead of VARRAY.
14237 * lambda.h (lambda_transform_legal_p): ...from here.
14238 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14239 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14240 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14241 tree-chrec.o): Don't depend on VARRAY_H.
14243 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14245 * rtl.def (Copyright): Update date.
14246 (DEPS_LIST): Change type of the second operand to 'int'.
14247 * target.h (Copyright): Update date.
14248 (struct gcc_target.speculate_insn): Change type of the second parameter
14250 * lists.c (Copyright): Update date.
14251 (alloc_DEPS_LIST): Change signature. Update reference to the second
14252 operand of the DEPS_LIST.
14253 (copy_DEPS_LIST_list): Update reference to the second operand of the
14255 * rtl.h (Copyright): Update date.
14256 (alloc_DEPS_LIST): Update signature.
14257 * sched-int.h (Copyright): Update date.
14258 (ds_t): Change typedef to 'int'.
14259 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14261 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14263 * haifa-sched.c (Copyright): Update date.
14264 (try_ready): Change condition to restore non-speculative pattern
14265 of the instruction.
14266 (process_insn_depend_be_in_spec): Code to keep probability of the
14267 speculative dependence non-decreasing.
14269 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14271 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14272 shut up the compiler.
14274 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14276 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14277 to use lib prefix for target.
14278 ($(T)libic_invalidate_array_4-200.a): Likewise.
14279 ($(T)libic_invalidate_array_4a.a): Likewise.
14281 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14282 J"orn Rennecke <joern.rennecke@st.com>
14284 * superh.opt: New file.
14285 * sh.c (boardtype, osruntime): Remove.
14286 * superh.h (SUBTARGET_OPTIONS): Remove.
14287 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14289 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14290 arguments with ^ and/or [].
14292 * config.gcc (sh-*-*): Add quoting to account for quirk of
14294 Replace == with = in enable_incomplete_targets test.
14296 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14297 with MASK_LITTLE_ENDIAN.
14299 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14300 * config/sh/sh.opt: Added to some comments.
14301 * config/sh/superh.h: Removed some chaff.
14303 * config/sh/sh.opt: Add m4-[1234]00* options.
14304 * config/sh/sh.c (sh_handle_option): Likewise.
14305 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14306 (ic_invalidate_array_4-100.o): New rule.
14307 ($(T)libic_invalidate_array_4-100.a): Likewise.
14308 (ic_invalidate_array_4-200.o): Likewise.
14309 ($(T)libic_invalidate_array_4-200.a): Likewise.
14310 (ic_invalidate_array_4a.o): Likewise.
14311 ($(T)libic_invalidate_array_4a.a): Likewise.
14312 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14313 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14315 * config/sh/crt1.asm: Merged in profiling code.
14316 * config/sh/superh.h (STARTFILE_SPEC): Override.
14317 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14318 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14319 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14321 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14322 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14323 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14325 * sh.opt (mpretend-cmove): New option.
14326 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14327 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14328 (movsicc): Add TARGET_PRETEND_CMOVE code.
14330 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14332 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14333 s390_class_max_nregs): New function prototypes.
14334 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14335 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14336 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14337 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14339 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14341 * dwarf2out.c (add_location_or_const_value_attribute): Call
14342 tree_add_const_value_attribute if nothing else works.
14343 (reference_to_unused): New.
14344 (rtl_for_decl_init): Use reference_to_unused to decide whether
14345 to output an initializer.
14347 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14350 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14351 peephole removing spe frob_di_df_2.
14353 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14355 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14356 (subscript_dependence_tester_1): Declared.
14357 (print_dir_vectors, print_dist_vectors): New.
14358 (debug_data_dependence_relation): New.
14359 (dump_data_dependence_relation): Print more details.
14360 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14361 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14362 (save_dist_v, save_dir_v, add_outer_distances,
14363 build_classic_dist_vector_1): New.
14364 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14365 Don't test for lambda_vector_lexico_pos.
14366 (same_access_functions, add_multivariate_self_dist,
14367 add_other_self_distances, dir_from_dist): New.
14368 (build_classic_dir_vector): Replace implementation almost identical to
14369 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14371 (subscript_dependence_tester_1): New.
14372 (subscript_dependence_tester): Handle the lexicographically negative
14373 distance vectors by recomputing the dependence relation.
14374 (compute_affine_dependence): Remove parameter loop_nest_depth.
14375 (compute_self_dependence): Don't call compute_subscript_distance.
14376 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14377 Add a parameter for the loop_nest.
14378 (find_loop_nest_1, find_loop_nest): New.
14379 (compute_data_dependences_for_loop): Compute the loop nest, and give
14380 up if the nest is not well formed.
14381 * tree-data-ref.h (loop_p): New.
14382 (struct data_dependence_relation): Replace size_vect field with
14383 loop_nest, a vec of loops.
14384 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14385 (DDR_LOOP_NEST): New.
14386 (print_dir_vectors, print_dist_vectors,
14387 debug_data_dependence_relation): Declared.
14388 (index_in_loop_nest): New.
14389 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14390 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14393 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14395 * simplify-rtx.c (simplify_relational_operation): Call
14396 simplify_relational_operation_1 even if mode is VOIDmode.
14398 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14400 PR tree-optimization/26804
14401 * tree.h (DECL_CALL_CLOBBERED): New macro.
14402 (tree_decl_common): Add call_clobbered_flag.
14403 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14404 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14405 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14406 (mark_non_addressable): Ditto.
14407 * tree-ssa.c (verify_call_clobbered): New function.
14408 (verify_alias_info): Use it.
14409 * tree-pass.h (pass_reset_cc_flags): New prototype.
14410 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14411 (reset_cc_flags): New function.
14412 * passes.c (init_optimization_passes): Call reset_cc_flags after
14413 initializing referenced_vars.
14415 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14416 Roger Sayle <roger@eyesopen.com>
14418 PR middle-end/26717
14419 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14420 to 1.0 for non-real operands. Implement A / A optimization for
14423 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14425 * config/i386/i386.c (size_cost): Correct the comment for
14426 cost of storing fp registers.
14427 (i386_cost): Likewise.
14428 (i486_cost): Likewise.
14429 (pentium_cost): Likewise.
14430 (pentiumpro_cost): Likewise.
14431 (k6_cost): Likewise.
14432 (athlon_cost): Likewise.
14433 (k8_cost): Likewise.
14434 (pentium4_cost): Likewise.
14435 (nocona_cost): Likewise.
14436 (generic64_cost): Likewise.
14437 (generic32_cost): Likewise.
14439 2006-03-24 Denis Chertykov <denisc@overta.ru>
14441 * config/avr/avr-protos.h (extra_constraint): Delete.
14442 (extra_constraint_Q): New declaration.
14443 * config/avr/constraints.md: New file.
14444 * config/avr/avr.md: Include it.
14445 (REG_X, REG_Y, REG_Z, REG_W): New constants.
14446 (TMP_REGNO, ZERO_REGNO): Likewise.
14447 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
14448 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
14449 (extra_constraint): Delete.
14450 (extra_constraint_Q): Test for memory constraint 'Q'.
14451 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
14452 (REG_CLASS_FROM_LETTER): Delete.
14453 (CONST_OK_FOR_LETTER_P): Delete.
14454 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14455 (EXTRA_CONSTRAINT): Delete.
14456 (TMP_REGNO): Delete.
14457 (ZERO_REGNO): Delete.
14459 2006-03-24 Jeff Law <law@redhat.com>
14461 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
14462 directly. Call mark_new_vars_to_rename slightly earlier.
14464 2006-03-24 Geoffrey Keating <geoffk@apple.com>
14466 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
14467 (is_cxx): Likewise.
14468 (gen_compile_unit_die): Use new language types for Objective-C and
14470 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
14471 DW_LANG_C_plus_plus.
14474 * config/t-darwin (crt3.o): Work around bug 26840.
14475 * config/darwin-crt3.c: Rewrite.
14476 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
14478 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
14480 * doc/invoke.texi: Document -femit-class-debug-always
14481 * common.opt: Add -femit-class-debug-always.
14483 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
14485 * config/s390/s390.c (s390_decompose_address): Allow SImode for
14486 index and base register.
14487 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
14488 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
14489 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
14490 REGNO_OK_FOR_INDEX_P.
14491 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
14493 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
14494 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
14495 REG_OK_FOR_BASE_P): Definitions removed.
14497 2006-03-24 Jakub Jelinek <jakub@redhat.com>
14499 PR middle-end/26611
14500 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
14501 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
14502 set yet or weren't marked as local yet.
14504 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
14506 * regrename.c (scan_rtx_address): Initialize a variable to shut up
14509 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
14511 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
14512 (rs6000_legitimate_small_data_p): Delete.
14513 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
14514 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
14515 and make static. Add forward declaration. Update uses.
14516 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
14517 of offsettable_memref_p.
14518 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
14519 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
14521 2006-03-24 Jeff Law <law@redhat.com>
14523 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
14524 around bug in immediate-use iterator.
14526 2006-03-24 Alan Modra <amodra@bigpond.net.au>
14529 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
14530 or __LITTLE_ENDIAN__.
14532 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
14534 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
14535 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
14536 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
14537 * config/sh/sh.opt (mdiv=): Amend description.
14538 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
14539 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
14540 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
14541 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
14542 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
14543 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
14544 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
14545 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
14546 TARGET_DIVIDE_CALL_FP.
14548 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14550 * haifa-sched.c (choose_ready): Fix type of the local variable.
14551 Move local variables. Add comment.
14552 (check_reg_live): Change signature. Make callable from debugger.
14553 * sched-int.h (check_reg_live): Update signature.
14554 * sched-ebb.c (check_reg_live): Update parameters.
14555 * sched-rgn.c (check_reg_live): Ditto.
14556 (region_head_or_leaf_p): Check pointer before dereferencing.
14557 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
14558 before reload on optimization levels below 1.
14560 2006-03-23 Richard Henderson <rth@redhat.com>
14562 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
14566 * config/alpha/predicates.md (local_symbolic_operand): Reject
14569 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
14572 * tree-ssa-pre.c (create_value_expr_from): Don't reject
14573 expressions which have overflowed constants.
14575 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14577 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
14579 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14581 * cfgloopmanip.c (create_loop_notes): Removed.
14582 * final.c (final_scan_insn): Do not handle loop notes.
14583 * jump.c (squeeze_notes): Ditto.
14584 * cfglayout.c (skip_insns_after_block,
14585 duplicate_insn_chain): Ditto.
14586 * cfgcleanup.c (rest_of_handle_jump2): Do not call
14588 * cfgloop.h (create_loop_notes): Declaration removed.
14590 2006-03-23 Richard Sandiford <richard@codesourcery.com>
14592 * varasm.c (output_constant_pool): Restore fnname and fndecl
14594 (assemble_start_function): Adjust call accordingly.
14595 (assemble_end_function): Likewise.
14597 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14600 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
14603 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
14605 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14608 * system.h (ICE_EXIT_CODE): New macro.
14609 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
14610 (diagnostic_action_after_output): Likewise.
14611 * gcc.c (fatal_ice): New function.
14612 (execute): Use it instead of fatal.
14613 (fancy_abort): Likewise.
14614 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
14616 2006-03-22 Jeff Law <law@redhat.com>
14618 * loop-unroll.c (analyze_iv_to_split_insn): Handle
14619 iv_analyze_result returning false.
14621 2006-03-22 Jie Zhang <jie.zhang@analog.com>
14623 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
14625 2006-03-22 Richard Henderson <rth@redhat.com>
14627 PR middle-end/26084
14628 * except.c (duplicate_eh_regions_0): New.
14629 (duplicate_eh_region_1): Duplicate the children of the node as
14630 well as the node itself. Link them up properly.
14631 (duplicate_eh_region_2): Merge into ...
14632 (duplicate_eh_regions): ... here. Take copy_region argument, and
14633 copy only a sub-tree if asked. Simplify copying and fixup.
14634 (eh_region_outer_p): New.
14635 * except.h (duplicate_eh_regions): Update decl.
14636 (eh_region_outer_p): Declare.
14637 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
14638 (lower_omp_master): Likewise.
14639 (lower_omp_ordered): Likewise.
14640 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
14641 (move_stmt_r): Use it to remap labels. Handle recursion vs
14642 remap_decls_p properly.
14643 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
14644 (find_outermost_region_in_block): New.
14645 (new_label_mapper): New.
14646 (move_sese_region_to_fn): Copy eh information to the new function
14648 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
14650 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
14653 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14655 * doc/md.texi (-mshared): Mention that -mshared code can be linked
14656 into shared libraries.
14658 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14660 * doc/md.texi: Refer to i386/constraints.md instead of
14661 i386/predicates.md.
14662 * config/i386/constraints.md: New file, extracted from...
14663 * config/i386/predicates.md: ...here.
14664 * config/i386/i386.md: Include constraints.md.
14666 2006-03-21 Jason Merrill <jason@redhat.com>
14668 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
14670 PR middle-end/20297
14671 * expr.c (init_block_move_fn): Force default visibility.
14672 (init_block_clear_fn): Likewise.
14673 * builtins.c (expand_builtin_fork_or_exec): Likewise.
14674 * targhooks.c (default_external_stack_protect_fail): Likewise.
14676 2006-03-21 Richard Sandiford <richard@codesourcery.com>
14678 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14679 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
14680 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
14681 Use TARGET_OLDABI instead of !TARGET_NEWABI.
14682 (loadgp): Use mips_current_loadgp_style.
14683 (loadgp_noshared): New pattern.
14684 (sibcall_internal): Use MIPS_CALL.
14685 (sibcall_value_internal): Likewise.
14686 (sibcall_value_multiple_internal): Likewise.
14687 (call_internal): Likewise.
14688 (call_value_internal): Likewise.
14689 (call_value_multiple_internal): Likewise.
14690 (call_split): Use MIPS_CALL and add an 'S' constraint.
14691 (call_value_split): Likewise.
14692 (call_value_multiple_split): Likewise.
14693 * config/mips/mips.opt (-mabicalls): Tweak docstring.
14694 (-mshared): New option.
14695 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
14696 (mips_current_loadgp_style): Declare.
14697 * config/mips/mips.c (mips_classify_symbol): Avoid using
14698 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
14699 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
14700 TARGET_ABSOLUTE_ABICALLS.
14701 (override_options): Adjust comments. Improve the warning that is
14702 issued when -mabicalls and -G are used together.
14703 (mips_file_start): Remove comment.
14704 (mips_current_loadgp_style): New function.
14705 (mips_gnu_local_gp): New variable.
14706 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
14708 (mips_output_function_prologue): Use mips_current_laodgp_style.
14709 (mips_expand_prologue): Call mips_emit_loadgp before emitting
14710 the cprestore instruction.
14711 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
14712 live for TARGET_ABSOLUTE_ABICALLS.
14713 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
14714 (ASM_SPEC): Pass down -mshared and -mno-shared.
14715 (MIPS_CALL): New macro.
14716 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
14718 * doc/invoke.texi (-mabicalls): Update documentation.
14719 (-mshared): Document.
14721 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14723 * config/ia64/unwind-hpux.c: New file.
14724 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
14726 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14729 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
14731 2006-03-21 Jeff Law <law@redhat.com>
14733 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
14734 type conversions of a VR_VARYING source to a wider type.
14736 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
14738 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
14739 tm_file on Solaris 10 and later.
14740 (sparc64-*-solaris2*): Likewise.
14741 (sparc-*-solaris2*): Likewise.
14742 * config/sol26.h: Rename to config/sol2-6.h.
14743 * config/sol2-10.h: New file.
14745 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
14748 * tree-ssa-pre.c (create_component_ref_by_pieces):
14751 2006-03-21 Jakub Jelinek <jakub@redhat.com>
14754 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
14755 return it immediately.
14757 2006-03-21 Michael Matz <matz@suse.de>
14759 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
14761 (remove_arc, add_arc): Update num_out_arcs member.
14762 (set_out_arc_insns_equiv_num): Returns nothing instead of number
14764 (cache_presence): New function.
14765 (compare_states_for_equiv): New function.
14766 (state_is_differed): Don't take number of outargs, adjust callers.
14767 Use new invariant for speeding up.
14768 (init_equiv_class): Create initial classes based on sorted
14770 (partition_equiv_class): Don't track out_arcs_num.
14771 (evaluate_equiv_classes): Call cache_presence on all states and
14774 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
14776 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
14777 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
14778 (bfin_valid_reg_p): Test for pseudos explicitly and use only
14779 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
14781 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
14782 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
14783 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
14784 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
14785 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
14787 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
14788 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
14789 (REGNO_REG_CLASS): ARGP is in PREGS.
14790 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
14792 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
14793 to deal with those addresses.
14794 * addresses.h: New file.
14795 * caller-save.c: Include "addresses.h".
14796 (init_caller_save): Use new base_reg_class function.
14797 * rtl-factoring.c: Include "addresses.h".
14798 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
14799 * recog.c: Include "addresses.h".
14800 (preprocess_constraints): Use new base_reg_class function.
14801 * regrename.c: Include "addresses.h".
14802 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
14803 functions. Keep track of a new var INDEX_CODE to compute valid
14805 (replace_oldest_value_addr): Likewise.
14806 (replace_oldest_value_mem): Use base_reg_class.
14807 * reload.c: Include "addresses.h".
14808 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
14809 (find_reloads): Use new base_reg_class function.
14810 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
14811 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
14812 all callers and prototype changed.
14813 * reload1.c: Include "addresses.h".
14814 (maybe_fix_stack_asms): Use base_reg_class.
14815 * regclass.c: Include "addresses.h".
14816 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
14817 (init_reg_autoinc): Use new base_reg_class function.
14818 (record_reg_classes): Likewise.
14819 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
14820 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
14821 Use new args to compute necessary class.
14823 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
14824 regrename.o, rtl-factoring.o): Update dependencies.
14825 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
14826 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
14827 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
14828 REG_OK_FOR_INDEX_P): Delete documentation.
14830 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
14832 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
14833 from V7 to V9 for Solaris 7 and above.
14835 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
14837 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
14838 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
14839 argument pointers may not alias any other storage.
14840 * common.opt: Define option -fargument-noalias-anything.
14841 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
14842 alias semantics is specified by flag_argument_noalias > 2.
14844 2006-03-20 Jeff Law <law@redhat.com>
14846 * tree-pass.h (pass_phi_only_copy_prop): Delete.
14847 (pass_phi_only_cprop): Declare.
14848 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
14849 with phi_only_cprop
14850 * tree-ssa-dom.c (degenerate_phi_result): New function.
14851 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
14852 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
14853 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
14854 (eliminate_degenerate_phis): Likewise.
14855 (pass_phi_only_cprop): New pass descriptor.
14856 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
14857 support code. Callers updated.
14858 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
14859 (store_copy_prop): Likewise.
14860 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
14862 2006-03-20 Jason Merrill <jason@redhat.com>
14865 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
14866 (push_visibility, pop_visibility): Likewise.
14867 * c-pragma.h: Declare them.
14869 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
14871 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
14873 * config/sh/sh.c (find_regmode_weight): Change the type of the first
14874 parameter and use get_ebb_head_tail.
14875 (sh_md_init_global): Adjust uses of find_regmode_weight.
14877 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
14879 * function.h (struct function) <x_tail_recursion_reentry>:
14880 Rename to x_stack_check_probe_note.
14881 (tail_recursion_reentry): Rename to stack_check_probe_note.
14882 * function.c: Replace tail_recursion_reentry with
14883 stack_check_probe_note everywhere.
14884 (expand_function_start): Only emit a note for
14885 stack_check_probe_note with -fstack-protect.
14886 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
14888 * emit-rtl.c (remove_unnecessary_notes): Remove.
14889 (pass_remove_unnecessary_notes): Remove.
14890 * rtl.h (remove_unnecessary_notes): Remove prototype.
14891 * final.c (final_start_function): Don't call remove_unnecessary_notes.
14892 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
14893 * passes.c (pass_remove_unnecessary_notes): Don't run it.
14895 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
14898 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
14899 (valid_in_set): Handle ARRAY_REF.
14900 Change "if min_variant or VH" to asserts.
14901 (create_component_ref_by_pieces): Handle ARRAY_REF.
14902 (create_expression_by_pieces): Likewise.
14903 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
14905 2006-03-20 David Edelsohn <edelsohn@gnu.org>
14907 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
14908 is operand of switch, not str[0].
14910 2006-03-20 Alan Modra <amodra@bigpond.net.au>
14912 * config/rs6000/rs6000.c (rs6000_handle_option): Use
14913 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
14915 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14917 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
14918 end of insn_extra_address_constraint declaration.
14920 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14922 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
14923 (no-sum-in-toc): Same.
14924 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
14926 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
14927 NO_FP_IN_TOC for -fPIC instead of mask.
14929 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
14930 (BOOT_LDFLAGS): Delete.
14932 * config/rs6000/t-aix52: Same.
14934 * config/rs6000/rs6000.md (store_multiple_power): Delete.
14935 (stmsi[345678]_power): New.
14937 2006-03-17 Steve Ellcey <sje@cup.hp.com>
14939 * config/ia64/ia64.opt: Add empty line to end of file.
14941 2006-03-17 Richard Guenther <rguenther@suse.de>
14943 PR middle-end/26721
14944 * builtins.c (get_pointer_alignment): For component style references
14945 adjust alignment to the component type alignment. Make sure
14946 to adjust alignment for component access of constants.
14948 2006-03-17 David Edelsohn <edelsohn@gnu.org>
14950 * config/rs6000/rs6000.md (strlensi): Emit barrier after
14951 unconditional jump.
14953 2006-03-17 Paul Brook <paul@codesourcery.com>
14955 * doc/install.texi: Docuemnt --with-mode.
14956 * config.gcc: Add --with-mode for arm*-*-*.
14957 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
14959 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
14961 * sh.c (max_labelno_before_reorg): New variable.
14962 (sh_reorg): Initialize it.
14963 (find_barrier): Check max_labelno_before_reorg before using
14964 label_to_alignment. Take length of explicit alignment insns
14965 into account. When seeing a UNSPECV_CONST_END, return it.
14967 * sh.c (fixup_mova): Set mode of affected label to QImode.
14968 (untangle_mova): New function.
14969 (find_barrier): Use it. Check mode of label before decrementing
14971 (sh_reorg): Likewise.
14972 Set mode of all insns back to VOIDmode.
14974 * sh.c (MOVA_LABELREF): New macro.
14975 (mova_p, fixup_mova, sh_reorg): Use it.
14976 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
14977 ADDR_DIFF_VEC matches mova.
14979 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
14981 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
14982 with ATTRIBUTE_UNUSED.
14984 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
14986 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
14987 pointer, instead of assuming it is possible to derive the
14988 correct args size from a call insn.
14990 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14992 * rtl.h (CONST_INT_P): Define.
14993 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
14994 instead of GET_CODE(x) == CONST_INT.
14995 (vax_rtx_costs): Likewise.
14996 (vax_output_int_move): Likewise.
14997 (vax_output_int_add): Likewise.
14998 (legitimate_constant_address_p): Likewise.
14999 (index_term_p): Likewise.
15000 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15001 * config/vax/vax.md (and<mode>3): Likewise.
15002 (ashrsi3): Likewise.
15004 (movstricthi): Likewise.
15005 (movstrictqi): Likewise.
15006 (rotrsi3): Likewise.
15007 (five unnamed insns): Likewise.
15009 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15011 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15012 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15013 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15014 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15015 Pass to ASM_OUTPUT_DWARF_OFFSET.
15016 * dwarf2out.c (debug_frame_section): New.
15017 (output_call_frame_info): Use debug_frame_section. Pass it to
15018 dw2_asm_output_offset.
15019 (output_die): Pass appropriate section to dw2_asm_output_offset.
15020 (output_compilation_unit_header): Likewise.
15021 (output_pubnames): Likewise.
15022 (output_aranges): Likewise.
15023 (enum dw_val_class): Break dw_val_class_lbl_offset into
15024 dw_val_class_lineptr and dw_val_class_macptr.
15025 (add_AT_lbl_offset): Delete.
15026 (add_AT_lineptr): New.
15027 (add_AT_macptr): New.
15028 (AT_lbl): Expect a lineptr or macptr.
15029 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15030 (attr_checksum): Likewise.
15031 (same_dw_val_p): Likewise.
15032 (size_of_die): Likewise.
15033 (value_format): Likewise.
15034 (output_die): Likewise.
15035 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15037 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15038 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15039 * config/darwin-protos.h (darwin_file_start): New.
15040 (darwin_asm_output_dwarf_offset): New.
15041 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15042 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15044 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15045 if not EH section; simplify.
15046 (darwin_file_start): New.
15047 (darwin_asm_output_dwarf_offset): New.
15048 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15050 (DEBUG_INFO_SECTION): Likewise.
15051 (DEBUG_ABBREV_SECTION): Likewise.
15052 (DEBUG_ARANGES_SECTION): Likewise.
15053 (DEBUG_MACINFO_SECTION): Likewise.
15054 (DEBUG_LINE_SECTION): Likewise.
15055 (DEBUG_LOC_SECTION): Likewise.
15056 (DEBUG_PUBNAMES_SECTION): Likewise.
15057 (DEBUG_STR_SECTION): Likewise.
15058 (DEBUG_RANGES_SECTION): Likewise.
15059 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15060 (ASM_OUTPUT_DWARF_OFFSET): New.
15062 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15064 * config.gcc (tm_defines): Always add to previous value rather
15067 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15069 * config/mips/predicates.md (splittable_const_int_operand): New,
15070 split from move_operand.
15071 (splittable_symbolic_operand): New.
15072 (move_operand): Add commentary. Use splittable_const_int_operand.
15073 Inline mips_atomic_symbolic_constant_p.
15074 * config/mips/mips.md: Add combine splitters for handling moves
15075 of splittable_const_int_operands and splittable_symbolic_operands.
15076 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15077 (mips_split_symbol): Declare.
15078 (mips_move_integer): Declare.
15079 * config/mips/mips.c (mips_split_p): Make global.
15080 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15081 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15082 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15083 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15084 (mips_offset_within_object_p): Handle block symbols.
15085 (mips_atomic_symbolic_constant_p): Delete.
15086 (mips_cannot_force_const_mem): Return false for constants that
15087 mips_legitimize_move can handle.
15088 (mips_use_blocks_for_constant_p): New function.
15089 (mips_split_symbol): Make global.
15090 (mips_move_integer): Likewise. Add a temporary register argument.
15091 (mips_legitimize_const_move): Use splittable_const_int_operand and
15092 splittable_symbolic_operand.
15093 (mips_use_anchors_for_symbol_p): New function.
15094 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15095 (mips_split_p): Declare.
15097 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15099 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15100 (mips*-*-linux*): Likewise.
15102 2006-03-16 Roger Sayle <roger@eyesopen.com>
15103 Daniel Speyer <dspeyer@wam.umd.edu>
15105 PR middle-end/18259
15106 * tree-dump.c (dump_real): New function.
15107 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15108 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15109 (tree-dump.o): Add $(REAL_H) to the dependencies.
15111 2006-03-16 Roger Sayle <roger@eyesopen.com>
15113 PR middle-end/21781
15114 * real.c (real_from_string): If the mantissa is zero, don't bother
15115 parsing the exponent as the result should always be zero.
15117 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15119 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15121 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15123 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15124 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15125 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15126 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15127 ia64_sched_finish_global): New static functions to implement
15128 hooks from gcc_target.sched.
15129 (spec_check_no, max_uid, pending_data_specs): New static variables.
15130 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15131 ia64_spec_check_src_p): New static functions.
15132 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15133 (TARGET_SCHED_ADJUST_COST): Removed.
15134 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15135 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15136 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15137 TARGET_SCHED_GEN_CHECK,
15138 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15139 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15140 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15141 Fixed to handle speculation checks.
15142 (rtx_needs_barrier): Fixed to handle speculative loads and
15144 (ia64_variable_issue): Added code to count speculative loads and their
15146 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15148 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15150 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15152 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15153 (ia64_reorg): Reset stops_p to NULL after it is freed.
15154 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15155 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15156 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15158 (data_speculative, control_speculative, check_load): New attributes.
15159 (mov<mode>_advanced, mov<mode>_speculative,
15160 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15161 zero_extend<mode>di2_speculative,
15162 zero_extend<mode>di2_speculative_advanced): New patterns for
15163 data and control speculative loads.
15164 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15166 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15167 New pattern for data and control speculation checks.
15168 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15169 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15170 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15171 Auxiliary definitions for the patterns.
15172 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15173 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15175 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15177 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15178 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15179 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15180 New resource constraints.
15181 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15183 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15184 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15185 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15186 msched-in-control-spec, msched-ldc, msched-control-ldc,
15187 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15188 msched-prefer-non-control-spec-insns,
15189 msched-count-spec-in-critical-path): New flags to tune speculative
15191 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15192 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15193 msched-in-control-spec, msched-ldc, msched-control-ldc,
15194 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15195 msched-prefer-non-control-spec-insns,
15196 msched-count-spec-in-critical-path): Document new flags.
15198 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15200 * target.h (struct spec_info_def): New opaque declaration.
15201 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15202 speculate_insn, needs_block_p, gen_check,
15203 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15204 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15205 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15206 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15207 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15208 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15210 (TARGET_SCHED): Use new macros.
15211 * rtl.h (copy_DEPS_LIST_list): New prototype.
15212 * sched-int.h (struct sched_info): Change signature of new_ready field,
15213 adjust all initializations. New fields: add_remove_insn,
15214 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15215 region_head_or_leaf_p.
15216 (struct spec_info_def): New structure declaration.
15217 (spec_info_t): New typedef.
15218 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15219 recovery_block, orig_pat.
15220 (glat_start, glat_end): New variables declaraions.
15221 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15223 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15224 DETACH_LIFE_INFO, USE_GLAT.
15225 (enum SPEC_SCHED_FLAGS): New enumeration.
15226 (NOTE_NOTE_BB_P): New macro.
15227 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15228 attach_life_info, debug_spec_status, check_reg_live): New functions.
15229 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15230 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15232 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15233 * ddg.c (get_block_head_tail): Adjust all uses.
15234 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15235 (sms_sched_info): Initialize new fields.
15236 (contributes_to_priority): Removed.
15237 * haifa-sched.c (params.h): New include.
15238 (get_block_head_tail): Adjust all uses.
15239 (ISSUE_POINTS): New macro.
15240 (glat_start, glat_end): New global variables.
15241 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15242 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15243 old_last_basic_block, before_recovery, current_sched_info_var,
15244 rgn_n_insns, luid): New static variables.
15245 (insn_cost1): New function. Move logic from insn_cost to here.
15246 (find_insn_reg_weight1): New function. Move logic from
15247 find_insn_reg_weight to here.
15248 (reemit_notes, move_insn, max_issue): Change signature.
15249 (move_insn1): Removed.
15250 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15251 extend_bb): New static functions to support extension of scheduler's
15253 (generate_recovery_code, process_insn_depend_be_in_spec,
15254 begin_speculative_block, add_to_speculative_block,
15255 init_before_recovery, create_recovery_block, create_check_block_twin,
15256 fix_recovery_deps): New static functions to support
15257 generation of recovery code.
15258 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15259 restore_bb_notes, move_block_after_check, move_succs): New static
15260 functions to support ebb scheduling.
15261 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15262 functions to support handling of register live information.
15263 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15264 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15265 add_jump_dependencies): New static functions.
15266 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15267 consistancy checking.
15268 (debug_spec_status): New function to call from debugger.
15269 (priority): Added code to handle speculation checks.
15270 (rank_for_schedule): Added code to distinguish speculative instructions.
15271 (schedule_insn): Added code to handle speculation checks.
15272 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15273 Fixed to handle ebbs.
15274 (move_insn): Added code to handle ebb scheduling.
15275 (max_issue): Added code to use ISSUE_POINTS of instructions.
15276 (choose_ready): Added code to choose between speculative and
15277 non-speculative instructions.
15278 (schedule_block): Added code to handle ebb scheduling and scheduling of
15279 speculative instructions.
15280 (sched_init): Initialize new variables.
15281 (sched_finish): Free new variables. Print statistics.
15282 (try_ready): Added code to handle speculative instructions.
15283 * lists.c (copy_DEPS_LIST_list): New function.
15284 * sched-deps.c (extend_dependency_caches): New function. Move logic
15285 from create_dependency_caches to here.
15286 (get_dep_weak, ds_merge): Make global.
15287 * genattr.c (main): Code to output prototype for
15288 dfa_clear_single_insn_cache.
15289 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15290 (output_dfa_clean_insn_cache_func): Code to output
15291 dfa_clear_single_insn_cache function.
15292 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15294 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15296 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15297 New static variables.
15298 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15299 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15301 (ebb_sched_info): Initialize new fields.
15302 (get_block_head_tail): Adjust all uses.
15303 (compute_jump_reg_dependencies): Fixed to use glat_start.
15304 (schedule_ebb): Code to remove unreachable last block.
15305 (schedule_ebbs): Added code to update register live information.
15306 * sched-rgn.c (region_sched_info): Initialize new fields.
15307 (get_block_head_tail): Adjust all uses.
15308 (last_was_jump): Removed. Adjust users.
15309 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15310 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15311 Implement new hooks.
15312 (check_dead_notes1): New static function.
15313 (struct region): New fields: dont_calc_deps, has_real_ebb.
15314 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15315 (BB_TO_BLOCK): Fixed to handle EBBs.
15316 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15317 (ebb_head): New static variable.
15318 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15319 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15321 (compute_dom_prob_ps): New assertion.
15322 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15323 global_live_at_start.
15324 (init_ready_list): New assertions.
15325 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15326 (new_ready): Add support for BEGIN_CONTROL speculation.
15327 (schedule_insns): Fixed code that updates register live information
15329 (schedule_region): Fixed to handle EBBs.
15330 (init_regions): Use extend_regions and check_dead_notes1.
15331 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15332 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15333 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15334 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15335 TARGET_SCHED_GEN_CHECK,
15336 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15337 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15338 * doc/invoke.texi (max-sched-insn-conflict-delay,
15339 sched-spec-prob-cutoff): Document.
15341 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15343 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15344 inter_tick, queue_index.
15345 (struct sched_info): Change signature of init_ready_list field.
15346 Adjust all initializations.
15347 (RESOLVED_DEPS): New access macro.
15348 (ready_add): Remove prototype.
15349 (try_ready): Add prototype.
15350 * sched-rgn.c (init_ready_list): Use try_ready.
15351 (schedule_region): Initialize
15352 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15353 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15354 (init_ready_list): Use try_ready.
15355 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15356 * lists.c (remove_list_elem): Remove `static'.
15357 (remove_free_INSN_LIST_elem): New function.
15358 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15359 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15360 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15362 (readyp): New variable.
15363 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15364 change_queue_index, resolve_dep): New static functions.
15365 (try_ready): New function. Adjust callers in sched-rgn.c and
15366 sched-ebb.c to use it instead of ready_add.
15367 (clock_var): Move at the begining of file.
15368 (rank_for_schedule): Fix typo.
15369 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15370 (ready_lastpos): Enforce assertion.
15371 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15372 update all callers.
15373 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15374 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15375 (queue_to_ready): Use free_INSN_LIST_list.
15376 (early_queue_to_ready): Fix typo.
15377 (schedule_block): Init readyp. Move init_ready_list call after the
15378 initialization of clock_var. Fix error in rejecting insn by
15379 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15380 that previously corrected INSN_TICKs. Add code for handling
15382 (set_priorities): Fix typo.
15383 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15384 Clarify comment and code that keeps current_sched_info->next_tail
15387 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15389 * sched-rgn.c (extend_rgns): New static function.
15390 (find_rgns): Use it.
15391 (gather_region_statistics, print_region_statistics): New static
15393 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15394 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15396 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15397 Andrey Belevantsev <abel@ispras.ru>
15399 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15400 * lists.c (unused_deps_list): New variable.
15401 (free_list): Add assertions to verify the proper distinguishing
15402 between INSN_LISTs and DEPS_LISTs.
15403 (find_list_elem, remove_list_elem, remove_list_node): New static
15405 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15406 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15407 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15408 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15410 (free_INSN_LIST_node): Likewise.
15411 * modulo-sched.c (current_sched_info): Initialize flags field.
15412 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15413 * rtl.def (DEPS_LIST): Define.
15414 * rtl.h: Declare new functions from lists.c.
15415 * sched-deps.c (spec_dependency_cache): New static variable.
15416 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15417 (add_dependence): Change return type to void. Move the logic to ...
15418 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15419 (delete_all_dependences): Add comment about forward_dependency_cache.
15420 Handle spec_dependency_cache. Handle DEPS_LISTs.
15421 (fixup_sched_groups): Clarify the change of priority of output
15422 and anti dependencies.
15423 (sched_analyze_2): Adjust add_dependence calls to create data
15424 speculative dependence.
15425 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15426 Adjust all callers. Handle DEPS_LISTS.
15427 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
15428 presence of speculation.
15429 (init_dependency_caches, free_dependency_caches):
15430 Handle spec_dependency_cache.
15431 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
15432 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
15433 New static functions.
15434 (add_or_update_back_dep, add_or_update_back_forw_dep,
15435 add_back_forw_dep, delete_back_forw_dep): New functions.
15436 * sched-int.h (ds_t, dw_t): New typedefs.
15437 (struct sched_info): Add new field flags.
15438 (struct haifa_insn_data): Add new bitfield has_internal_dep.
15439 Prototype new sched-deps.c functions.
15440 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
15441 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
15442 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
15443 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
15444 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
15445 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
15447 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
15449 * sched-rgn.c (current_sched_info): Initialize flags field.
15450 (schedule_insns): Initialize current_sched_info before the sched_init
15452 * sched-ebb.c (current_sched_info): Initialize flags field.
15453 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
15454 Call add_or_update_back_dep instead of add_dependence.
15455 Create control speculative dependencies.
15456 (schedule_insns): Initialize current_sched_info before the sched_init
15459 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
15461 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
15463 (sh_fallback_frame_state): Likewise.
15465 2006-03-15 Geoffrey Keating <geoffk@apple.com>
15467 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
15468 Do switch on default_use_cxa_atexit.
15469 (powerpc*-*-darwin*): Build crt2.o on powerpc.
15470 * config/darwin-crt3.o: New.
15471 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
15472 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
15473 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
15475 * config/rs6000/t-darwin: Move crt2.o building to here.
15476 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
15477 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
15480 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15482 * config/vax/vax.c (nonindexed_address_p): Change logical negation
15483 from '! xxx' to '!xxx' for coding-style conformance.
15484 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
15485 (EXTRA_CONSTRAINT): Likewise.
15486 * config/vax/vax.md (four unnamed insns): Likewise.
15488 2006-03-15 Paul Brook <paul@codesourcery.com>
15490 * config/arm/arm.c (minipool_pad): New.
15491 (add_minipool_forward_ref): Include pool alignment padding in address
15493 (push_minipool_fix): Set minipool_pad.
15494 (minipool_pad): Ditto.
15496 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15498 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
15499 instead of GET_CODE() == MEM and REG_P() instead of
15501 (print_operand_address): Likewise.
15502 (vax_address_cost): Likewise.
15503 (vax_rtx_costs): Likewise.
15504 (vax_notice_update_cc): Likewise.
15505 (vax_output_int_add): Likewise.
15506 (INDEX_REGISTER_P): Likewise.
15507 (BASE_REGISTER_P): Likewise.
15508 (nonindexed_address_p): Likewise.
15509 (vax_mode_dependent_address_p): Likewise.
15510 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
15511 (PRINT_OPERAND): Likewise.
15512 * config/vax/vax.md (ashlsi3): Likewise.
15513 (ashlsi3): Likewise.
15514 (some more unnamed insns): Likewise.
15516 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
15518 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
15519 iterator-style macro.
15520 (mark_control_dependent_edges_necessary): Update the use of
15521 EXECUTE_IF_CONTROL_DEPENDENT.
15523 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
15525 * config/sh/predicates.md (cache_address_operand): Special.
15526 (ua_address_operand): Likewise.
15528 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
15530 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
15532 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
15534 2006-03-15 Andreas Schwab <schwab@suse.de>
15536 * gensupport.c (identify_predicable_attribute): Don't free p_false
15537 when it is still in use.
15539 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
15541 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
15542 the default setting here.
15544 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
15546 * tree-pass.h (pass_cfg): Remove.
15547 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
15548 * passes.c (pass_cfg): Don't run it.
15550 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
15552 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
15553 * reg-stack.c (stack_regs_mentioned_data): Change the type to
15555 (stack_regs_mentioned): Update the uses of
15556 stack_regs_mentioned_data. Don't access the array beyond its
15558 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
15559 Don't include gt-reg-stack.h.
15561 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15562 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15564 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
15566 PR middle-end/26684
15567 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
15570 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15572 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
15574 2006-03-14 Richard Guenther <rguenther@suse.de>
15576 PR tree-optimization/26672
15577 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
15580 2006-03-14 Richard Guenther <rguenther@suse.de>
15582 PR tree-optimization/26667
15583 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
15584 node for the callees. Always allow inlining if it will shrink
15587 2006-03-14 Richard Guenther <rguenther@suse.de>
15589 PR middle-end/26659
15590 * builtins.c (get_pointer_alignment): Prefer alignment
15591 information from decls over that from types.
15593 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
15596 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
15598 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
15600 * config/rs6000/rs6000.opt (mdlmzb): New option.
15601 (msched-prolog, msched-epilog): Use Var not Mask.
15602 * doc/invoke.texi (-mdlmzb): Document.
15603 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
15605 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
15606 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
15608 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
15610 PR rtl-optimization/25739
15611 * bt-load.c (augment_live_range): Free tos pointer.
15613 * gensupport.c (identify_predicable_attribute): Free
15615 * gcov.c (create_file_names): Free name pointer.
15617 2006-03-13 Roger Sayle <roger@eyesopen.com>
15619 PR middle-end/26557
15620 * stmt.c (emit_case_nodes): Handle the case where the index is a
15621 CONST_INT, where the comparison mode is specified by the index type.
15623 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15625 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
15628 2006-03-13 Richard Sandiford <richard@codesourcery.com>
15630 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
15631 (*branch_fp_inverted): Likewise.
15633 2006-03-13 Jakub Jelinek <jakub@redhat.com>
15635 PR middle-end/25989
15636 * omp-low.c (expand_omp_for_generic): Mark istart0
15637 and iend0 as addressable.
15639 2006-03-13 Jie Zhang <jie.zhang@analog.com>
15641 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
15643 2006-03-13 Jeff Law <law@redhat.com>
15645 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
15646 virtual operands are interesting.
15647 (vrp_visit_stmt): Corresponding changes.
15649 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
15651 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
15653 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
15654 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
15655 * config/bfin/crti.S: Use it instead of __PIC__.
15656 * config/bfin/crtn.S: Likewise.
15658 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
15659 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
15661 Lose 'G' modifier for call operand.
15662 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
15663 recognize 'G' modifier.
15665 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
15667 PR middle-end/18859
15668 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
15669 * stmt.c (expand_case): Likewise.
15671 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15673 PR rtl-optimization/26254
15674 * loop-invariant.c (seq_insns_valid_p): New function.
15675 (move_invariant_reg): Only emit new code if it is valid.
15677 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15679 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
15681 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
15682 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
15683 (commit_one_edge_insertion): Do not look for loop notes.
15685 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15687 * jump.c (follow_jumps): Do not check for loop notes. Move check for
15688 flag_test_coverage out of loop.
15690 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15692 * final.c (shorten_branches): Remove outdated comment, and turn
15693 the if branch that guards it to continue.
15695 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15697 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
15698 * cfgloop.h (struct loop): Remove unused fields.
15700 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
15702 * doc/invoke.texi (-fdump-rtl-loop): Remove.
15703 (-dL, -fdump-rtl-loop2): Update the dump file names
15705 * doc/invoke.texi: Update dump file names.
15707 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
15709 * predict.c (estimate_probability): Remove.
15710 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
15711 * basic-block.h (estimate_probability): Remove prototype.
15712 * passes.c (finish_optimization_passes): Dump branch prediction or
15713 profiling heuristics to the .profile tree dump.
15714 (init_optimization_passes): Unqueue pass_branch_prob.
15716 * doc/invoke.texi (-fdump-rtl-bp): Remove.
15718 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15720 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
15721 * rtl.h (LABEL_NEXTREF): Remove field accessor.
15723 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
15725 * function.h (frame_offset_overflow): Declare.
15726 * function.c (frame_offset_overflow): New function.
15727 (assign_stack_local_1): Call it to detect that the offset overflows.
15728 * cfgexpand.c (alloc_stack_frame_space): Likewise.
15730 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15732 * config/sh/sh.c: Include alloc-pool.h.
15733 (label_ref_list_pool): New alloc pool.
15734 (label_ref_list_t): New type for lists of labels.
15735 (struct pool_node): Make wend a label_ref_list_t.
15736 (add_constant): Use the new type, eradicate LABEL_NEXTREF
15738 (dump_table): Likewise.
15739 (sh_reorg): Set up the alloc pool before using add_constant and
15740 dump_table, and destroy it when finishing.
15742 2006-03-11 Richard Sandiford <richard@codesourcery.com>
15744 * config/mips/mips.c: Remove redundant comment.
15746 2006-03-10 Jason Merrill <jason@redhat.com>
15749 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
15750 the target was declared 'register'.
15752 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
15754 * genpreds.c (write_insn_constraint_len): Change definition of
15755 insn_constraint_len to return size_t to match the declaration.
15757 2006-03-10 DJ Delorie <dj@redhat.com>
15759 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
15761 (m32c_expand_insv): Fix test for an AND mask.
15763 2006-03-10 Richard Guenther <rguenther@suse.de>
15765 PR middle-end/26565
15766 * builtins.c (get_pointer_alignment): Handle component
15767 references for field alignment.
15769 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15771 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
15772 when building with libgloss.
15773 (sh*elf): Implement --without-fp option.
15774 (sh64-superh-linux*): Don't multilib.
15776 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15778 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
15780 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
15782 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
15783 Set it when one of the replacement functions returned true.
15784 Return TODO_cleanup_cfg if cfgchanged is true.
15785 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
15787 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
15789 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
15790 instead of gen_lowpart.
15792 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15794 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
15796 (mips_output_order_conditional_branch): Declare.
15797 * config/mips/mips.h (MIPS_BRANCH): New macro.
15798 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
15799 for the comparison. Use gen_condjump.
15800 (mips_output_conditional_branch): Rework interface to take the
15801 asm templates for a direct branch and the inverse of a direct branch.
15802 (mips_output_order_conditional_branch): New function.
15803 (mips_builtin_branch_and_move): New function.
15804 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
15805 branch condition. Use gen_single_cc as the condition for
15806 __builtin_mips_upper_* or __builtin_mips_lower_*.
15807 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
15808 Use VOIDmode for the branch condition.
15809 * config/mips/predicates.md (order_operator): New predicate.
15810 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
15811 (branch_fp): Rename to...
15812 (*branch_fp): ...this. Remove mode from comparison operator.
15813 Use new mips_output_conditional_branch interface.
15814 (branch_fp_inverted): Rename to...
15815 (*branch_fp_inverted): ...this and update as for *branch_fp.
15816 (*branch_zero<mode>): Rename to...
15817 (*branch_order<mode>): ...this. Remove mode from comparison operator.
15818 Use mips_output_order_conditional_branch. Only accept ordered
15820 (*branch_zero<mode>_inverted): Rename to...
15821 (*branch_order<mode>_inverted): ...this and update as for
15822 *branch_order<mode>.
15823 (*branch_equality<mode>): Accept zero as the second operand to
15824 the equality operator. Use the new mips_output_conditional_branch
15826 (*branch_equality<mode>_inverted): Likewise.
15827 (condjump): New expander.
15828 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
15830 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
15831 (bc1any2t, bc1any2f): Likewise.
15832 (single_cc): New expander.
15833 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
15835 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15837 * doc/md.texi: Update documentation of MIPS constraints.
15838 * config/mips/constraints.md: New file.
15839 * config/mips/mips.md: Include it.
15840 * config/mips/mips.c (mips_char_to_class): Delete.
15841 (override_options): Don't initialize mips_char_to_class.
15842 * config/mips/mips.h (mips_char_to_class): Delete.
15843 (REG_CLASS_FROM_LETTER): Delete.
15844 (CONST_OK_FOR_LETTER_P): Delete.
15845 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15846 (EXTRA_CONSTRAINT_Y): Delete.
15847 (EXTRA_CONSTRAINT_STR): Delete.
15848 (CONSTRAINT_LEN): Delete.
15849 (EXTRA_MEMORY_CONSTRAINT): Delete.
15851 2006-03-09 Diego Novillo <dnovillo@redhat.com>
15853 * tree-cfg.c (move_block_to_fn): Remove the statements from the
15854 original fn's eh regions.
15856 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
15858 * fold-const.c (build_range_check): Make sure to use a valid type to
15859 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
15862 (range_predecessor): New static function.
15863 (range_successor): Likewise.
15864 (merge_ranges): Use them to compute predecessors and successors of
15867 2006-03-09 Roger Sayle <roger@eyesopen.com>
15869 PR middle-end/26561
15870 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
15871 X op C3, consider whether C3 overflows towards +Inf or -Inf.
15873 2006-03-08 DJ Delorie <dj@redhat.com>
15875 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
15876 (addpsi3): Expand to include memory operands. Remove
15877 reload-specific splits.
15878 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
15879 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
15880 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
15881 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
15882 (shift1_qi, shift1_hi, insv): New.
15883 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
15884 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
15885 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
15887 * config/m32c/m32c-protos.h: Update as needed.
15888 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
15889 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
15890 Fail for unrecognized R* constraints.
15891 (m32c_cannot_change_mode_class): Be more picky about pseudos.
15892 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
15893 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
15895 (m32c_init_libfuncs): New.
15896 (m32c_legitimate_address_p): Add debug wrapper.
15897 (m32c_rtx_costs): New.
15898 (m32c_address_cost): New.
15899 (conversions): Add 'B' prefix.
15900 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
15901 operands, or word regnames for QI operands. 'B' prints bit
15903 (m32c_expand_setmemhi): New.
15904 (m32c_expand_movmemhi): New.
15905 (m32c_expand_movstr): New.
15906 (m32c_expand_cmpstr): New.
15907 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
15908 (m32c_expand_neg_mulpsi3): Handle non-ints.
15909 (m32c_cmp_flg_0): New.
15910 (m32c_expand_movcc): New.
15911 (m32c_expand_insv): New.
15912 (m32c_scc_pattern): New.
15913 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
15914 a0/a1 out of SIregs.
15915 (STORE_FLAG_VALUE): New.
15916 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
15919 * config/m32c/mov.md: Make constraints more liberal.
15920 (zero_extendqihi2): Optimize r0/r1 case.
15921 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
15922 * config/m32c/predicates.md (m32c_any_operand): New.
15923 (m32c_nonimmediate_operand): New.
15924 (m32c_hl_operand): New.
15925 (m32c_r3_operand): New.
15928 (memsym_operand): New.
15929 (memimmed_operand): New.
15930 (a_qi_operand): New.
15931 (m32c_eqne_operator): New.
15932 (m32c_1bit8_operand): New.
15933 (m32c_1bit16_operand): New.
15934 (m32c_1mask8_operand): New.
15935 (m32c_1mask16_operand): New.
15936 * config/m32c/blkmov.md: New file.
15937 * config/m32c/t-m32c (MD_FILES): Add blkmov.
15939 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
15941 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
15942 unsigned to fix signed/unsigned comparison issue in
15943 DWARF2_FRAME_REG_OUT.
15944 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
15945 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
15947 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
15948 of ptr into the ENABLE_CHECKING section.
15950 2006-03-08 Jeff Law <law@redhat.com>
15952 * tree-vrp.c (infer_value_range): Only count pointer uses
15953 and dereferences if -fdelete-null-pointer-checks is enabled.
15955 * tree-vrp.c (find_assert_locations): Infer value ranges for
15956 single use pointers, but do not create ASSERT_EXPRs for them.
15957 When a non-null range is inferred for a pointer, backwards
15958 propagate that range to other equivalent pointers through the
15961 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
15964 * Makefile.in (dvi, html, install-info): Invoke the corresponding
15965 language hook targets.
15966 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
15967 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
15968 if language hook targets were missing.
15970 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
15972 * tree-ssa-opfinalize.h: Removed.
15973 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
15975 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
15976 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
15977 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
15978 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
15979 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
15980 finalize_ssa_v_must_def_ops): New.
15982 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
15984 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
15985 block as parameter.
15987 2006-03-07 Geoffrey Keating <geoffk@apple.com>
15989 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
15991 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
15992 addresses with offsets; reorganize.
15994 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
15995 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
15996 (expand_builtin_init_dwarf_reg_sizes): Likewise.
15998 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16001 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16003 2006-03-08 Ben Elliston <bje@au.ibm.com>
16005 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16007 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16010 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16013 2006-03-07 Richard Guenther <rguenther@suse.de>
16015 PR tree-optimization/26587
16016 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16018 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16020 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16022 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16024 * hooks.c (hook_bool_mode_rtx_true): New function.
16025 * hooks.h (hook_bool_mode_rtx_true): Declare.
16026 * toplev.c (compile_file): Call output_shared_constant_pool.
16027 * varasm.c (shared_constant_pool): New variable.
16028 (assemble_start_function, assemble_end_function): Remove arguments
16029 from call to output_constant_pool.
16030 (create_constant_pool): New function, split out from...
16031 (init_varasm_status): ...here.
16032 (force_const_mem): Choose between the shared and per-function constant
16033 pools. Set current_function_uses_const_pool when reusing old entries
16034 as well as when creating new ones.
16035 (mark_constant): Ignore data argument.
16036 (mark_constants): Remove pool argument.
16037 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16038 to decide whether the function uses a constant pool.
16039 (output_constant_pool_contents): New function, split out from...
16040 (output_constant_pool): ...here.
16041 (output_shared_constant_pool): New function.
16042 (init_varasm_once): Initialize shared_constant_pool.
16043 * output.h (output_constant_pool): Delete.
16044 (output_shared_constant_pool): Declare.
16045 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16046 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16048 2006-03-06 Nick Clifton <nickc@redhat.com>
16050 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16051 flag_strength_reduce.
16053 2006-03-06 Ben Elliston <bje@au.ibm.com>
16055 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16056 x86_64-*-linux* configurations.
16058 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16059 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16061 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16063 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16065 * basic-block.h: Remove the extern for
16066 rediscover_loops_after_threading.
16068 * cfgloop.c (cancel_loop): Make it static.
16069 * cfgloop.h: Remove the prototype for cancel_loop.
16071 * flow.c (recompute_reg_usage): Make it static.
16072 * rtl.h: Remove the prototype for recompute_reg_usage.
16074 * function.c (use_return_register): Make it static.
16075 * function.h: Remove the prototype.
16077 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16079 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16081 * recog.h: Remove the prototype for
16082 validate_change_maybe_volatile.
16084 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16086 * rtlanal.c (replace_reg): Remove.
16087 * rtl.h: Remove the prototype for replace_reg.
16089 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16091 * regclass.c (reg_scan_update): Remove.
16092 (reg_scan_mark_refs): Remove the last argument.
16093 * rtl.h: Remove the prototype for reg_scan_update.
16095 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16097 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16098 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16099 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16100 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16101 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16102 loop-invariant.c, omp-low.c, opts.c, passes.c,
16103 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16104 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16105 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16106 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16107 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16108 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16110 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16112 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16113 * dwarf2out.h: Remove the prototype for
16114 dwarf2out_add_library_unit_info.
16116 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16118 * tree.c (add_var_to_bind_expr): Remove.
16119 * tree.h: Remove the prototype for add_var_to_bind_expr.
16121 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16123 * regclass.c (n_non_fixed_regs): Remove.
16124 (init_reg_sets_1, globalize_reg): Remove all uses of
16126 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16128 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16130 * rtlanal.c (insns_safe_to_move_p): Remove.
16131 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16133 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16135 * expmed.c (expand_mult_add): Remove.
16136 * expr.h: Remove the prototype for expand_mult_add.
16138 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16140 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16141 and REG_SAVED_VAL_EXP constants.
16142 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16143 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16144 Handle regs stored by value.
16145 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16146 (execute_cfa_program): Handle DW_CFA_val_offset,
16147 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16148 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16149 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16150 (uw_install_context_1): Handle target regs stored by value.
16152 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16154 * tree-sra.c (tree_sra): Return todoflags;
16155 (generate_one_element): Set TODO_update_smt_usage if needed.
16156 (pass_sra): Remove TODO_update_smt_usage.
16157 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16159 (tree_ssa_forward_propagate_single_use_vars): Return
16160 TODO_update_smt_usage if we need to update SMT usage.
16161 (pass_forwprop): Remove TODO_update_smt_usage.
16163 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16165 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16166 (correct_use_link): Remove reference to get_stmt_operands.
16167 (update_stmt_operands): Likewise.
16168 (get_modify_expr_operands): New function factored out of
16169 parse_ssa_operands and get_expr_operands.
16170 Try to create V_MUST_DEFs for LHS by default.
16171 (get_expr_operands) <case MODIFY_EXPR>: Call
16172 get_modify_expr_operands.
16173 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16174 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16175 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16176 get_modify_expr_operands.
16178 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16180 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16181 * tree-flow.h: Remove the prototype for
16182 referenced_var_lookup_if_exists.
16184 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16186 PR rtl-optimization/26345
16188 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16190 2006-03-03 Roger Sayle <roger@eyesopen.com>
16192 PR tree-optimization/26524
16193 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16194 fold_convert to create a constant of the appropriate type.
16196 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16198 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16199 SYMBOL_REF_IN_BLOCK_P.
16200 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16201 of SYMBOL_FLAG_IN_BLOCK.
16202 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16203 instead of SYMBOL_REF_IN_BLOCK_P.
16204 * explow.c (use_anchored_address): Likewise.
16205 * rtl.c (rtx_size): Likewise.
16206 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16207 instead of SYMBOL_FLAG_IN_BLOCK.
16208 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16209 SYMBOL_REF_IN_BLOCK_P.
16210 (assemble_variable): Likewise.
16211 (output_constant_def_contents): Likewise.
16212 (output_constant_pool): Likewise.
16213 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16214 instead of SYMBOL_FLAG_IN_BLOCK.
16215 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16216 SYMBOL_REF_IN_BLOCK_P.
16217 (SYMBOL_REF_BLOCK): Likewise.
16218 (SYMBOL_REF_OFFSET): Likewise.
16219 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16220 SYMBOL_REF_IN_BLOCK_P.
16221 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16222 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16223 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16224 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16226 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16228 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16230 2006-03-02 Roger Sayle <roger@eyesopen.com>
16232 * simplify-rtx.c (simplify_unary_operation): When simplifying
16233 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16234 that we perform the right shift in the appropriate mode, and
16235 then extend or truncate the result to requested mode.
16237 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16239 * gengtype.c (main): Handle double_int type.
16240 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16241 * double-int.c: New file.
16242 * double-int.h: New file.
16243 * system.h: Include doubleint.h.
16244 * Makefile.in (SYSTEM_H): Include double-int.h.
16245 (double-int.o): Add.
16247 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16250 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16253 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16255 * tree-vrp.c (remove_range_assertions): Do not update statements
16258 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16260 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16262 * gcse.c (rest_of_handle_gcse): Ditto.
16263 * except.c (gate_handle_eh): Ditto.
16264 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16265 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16267 2006-03-02 Eric Christopher <echristo@apple.com>
16269 * config/i386/i386.c (machopic_output_stub): Add indirection to
16272 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16276 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16278 Sun Niagara specific optimizations.
16279 * config.gcc: Recognize niagara as target.
16280 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16281 (TARGET_CPU_niagara): Define.
16282 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16283 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16284 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16285 (ASM_CPU_SPEC): Likewise.
16286 (PROCESSOR_NIAGARA): New enum entry.
16287 (REGISTER_MOVE_COST): Handle Niagara.
16288 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16289 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16290 (sparc_override_options): Recognize "niagara", set appropriate
16291 default MASK_* values for it, and align functions to 32-bytes
16292 by default just like ULTRASPARC/ULTRASPARC3.
16293 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16294 (sparc64_initialize_trampoline): Likewise.
16295 (sparc_use_sched_lookahead): Use zero for niagara.
16296 (sparc_issue_rate): Use one for niagara.
16297 * config/sparc/niagara.md: New file.
16298 * config/sparc/sparc.md: Include it.
16299 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16300 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16301 when default cpu is niagara.
16302 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16303 (ASM_CPU_SPEC): Likewise.
16304 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16305 when default cpu is niagara.
16306 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16307 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16308 just like v9/ultrasparc/ultrasparc3.
16309 * doc/invoke.texi: Add documentation for "niagara" and improve
16310 existing documentation for ultrasparc variants.
16312 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16314 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16316 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16318 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16319 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16320 and say that only one is needed.
16321 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16322 * target.h (have_switchable_bss_sections): New hook.
16323 * explow.c (use_anchored_address): Check that the symbol is in a block.
16324 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16325 (bss_noswitch_section): New variables.
16326 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16327 (get_noswitch_section): New function.
16328 (get_block_for_section): Allow SECT to be null.
16329 (unlikely_text_section_p): Use SECTION_STYLE.
16330 (bss_initializer_p): New function.
16331 (get_variable_section): Move earlier in file. Take a new argument,
16332 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16333 Return one of the new *_sections in such cases.
16334 (get_block_for_decl): New function, extracting some logic from
16335 use_blocks_for_decl_p.
16336 (change_symbol_section): Remove in favor of...
16337 (change_symbol_block): ...this new function.
16338 (use_blocks_for_decl_p): Remove checks now performed by
16339 get_block_for_decl.
16340 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16341 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16342 (emit_local, emit_bss, emit_common): ...these new functions.
16343 Return true if the alignment was honored.
16344 (emit_tls_common): New function.
16345 (asm_emit_uninitialised): Delete.
16346 (assemble_variable_noswitch): New function, split out from...
16347 (assemble_variable): ...here. Don't make decisions about common
16348 variables here. Globalize all public decls that go into non-common
16349 sections. Check whether SYMBOL_REF_BLOCK is null.
16350 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16351 (output_constant_pool): Likewise.
16352 (init_varasm_once): Initialize the new section variables.
16353 (have_global_bss_p): New function.
16354 (categorize_decl_for_section): Use bss_initializer_p.
16355 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16356 (place_block_symbol): Assert that the symbol must be in a block.
16357 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16358 (TARGET_INITIALIZER): Include it.
16359 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16360 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16361 (SECTION_MACH_DEP): Bump by two.
16362 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16363 (unnamed_section): Mention SECTION_UNNAMED in comment.
16364 (named_section): Likewise SECTION_NAMED.
16365 (noswitch_section_callback): New type.
16366 (noswitch_section): New structure.
16367 (section): Add a noswitch_section alternative.
16368 (SECTION_STYLE): New macro.
16369 (tls_comm_section, comm_section, lcomm_section): Declare.
16370 (bss_noswitch_section, have_global_bss_p): Declare.
16371 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16372 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16374 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16375 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16378 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16380 * tree-vrp.c (execute_vrp): Return value.
16381 * regrename.c (rest_of_handle_regrename): Ditto.
16382 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16383 * tree-complex.c (tree_lower_complex): Ditto.
16384 (tree_lower_complex_O0): Ditto.
16385 * tracer.c (rest_of_handle_tracer): Ditto.
16386 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16387 * postreload.c (rest_of_handle_postreload): Ditto.
16388 * tree-tailcall.c (execute_tail_recursion): Ditto.
16389 (execute_tail_calls): Ditto.
16390 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16391 * tree.h (init_function_for_compilation): Ditto.
16392 * ipa-cp.c (ipcp_driver): Ditto.
16393 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16394 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16395 * final.c (compute_alignments): Ditto.
16396 (rest_of_handle_final): Ditto.
16397 (rest_of_handle_shorten_branches): Ditto.
16398 (rest_of_clean_state): Ditto.
16399 * omp-low.c (execute_expand_omp): Ditto.
16400 (execute_lower_omp): Ditto.
16401 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16402 * ipa-reference.c (static_execute): Ditto.
16403 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16404 * reorg.c (rest_of_handle_delay_slots): Ditto.
16405 (rest_of_handle_machine_reorg): Ditto.
16406 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16407 * flow.c (recompute_reg_usage): Ditto.
16408 (rest_of_handle_remove_death_notes): Ditto.
16409 (rest_of_handle_life): Ditto.
16410 (rest_of_handle_flow2): Ditto.
16411 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16412 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16413 (do_ssa_store_ccp): Ditto.
16414 (execute_fold_all_builtins): Ditto.
16415 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16416 * modulo-sched.c (rest_of_handle_sms): Ditto.
16417 * ipa-pure-const.c (static_execute): Ditto.
16418 * cse.c (rest_of_handle_cse): Ditto.
16419 (rest_of_handle_cse2): Ditto.
16420 * web.c (rest_of_handle_web): Ditto.
16421 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16422 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16423 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16424 * tree-nrv.c (tree_nrv): Ditto.
16425 (execute_return_slot_opt): Ditto.
16426 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16427 (create_structure_vars): Ditto.
16428 * loop-init.c (rtl_loop_init): Ditto.
16429 (rtl_loop_done): Ditto.
16430 (rtl_move_loop_invariants): Ditto.
16431 (rtl_unswitch): Ditto.
16432 (rtl_unroll_and_peel_loops): Ditto.
16433 (rtl_doloop): Ditto.
16434 * gimple-low.c (lower_function_body): Ditto.
16435 (mark_used_blocks): Ditto.
16436 * tree-ssa-sink.c (execute_sink_code): Ditto.
16437 * ipa-inline.c (cgraph_decide_inlining): Ditto.
16438 (cgraph_early_inlining): Ditto.
16439 * global.c (rest_of_handle_global_alloc): Ditto.
16440 * jump.c (cleanup_barriers): Ditto.
16441 (purge_line_number_notes): Ditto.
16442 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
16443 (rest_of_handle_if_after_reload): Ditto.
16444 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
16445 (tree_ssa_loop_im): Ditto.
16446 (tree_ssa_loop_unswitch): Ditto.
16447 (tree_vectorize): Ditto.
16448 (tree_linear_transform): Ditto.
16449 (tree_ssa_loop_ivcanon): Ditto.
16450 (tree_ssa_empty_loop): Ditto.
16451 (tree_ssa_loop_bounds): Ditto.
16452 (tree_complete_unroll): Ditto.
16453 (tree_ssa_loop_prefetch): Ditto.
16454 (tree_ssa_loop_ivopts): Ditto.
16455 (tree_ssa_loop_done): Ditto.
16456 * predict.c (tree_estimate_probability): Ditto.
16457 * recog.c (split_all_insns_noflow): Ditto.
16458 (rest_of_handle_peephole2): Ditto.
16459 (rest_of_handle_split_all_insns): Ditto.
16460 * tree-eh.c (lower_eh_constructs): Ditto.
16461 * regmove.c (rest_of_handle_regmove): Ditto.
16462 (rest_of_handle_stack_adjustments): Ditto.
16463 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
16464 * function.c (instantiate_virtual_regs): Ditto.
16465 (init_function_for_compilation): Ditto.
16466 (rest_of_handle_check_leaf_regs): Ditto.
16467 * gcse.c (rest_of_handle_jump_bypass): Ditto.
16468 (rest_of_handle_gcse): Ditto.
16469 * ipa-type-escape.c (type_escape_execute): Ditto.
16470 * alias.c (rest_of_handle_cfg): Ditto.
16471 * tree-if-conv.c (main_tree_if_conversion): Ditto.
16472 * profile.c (rest_of_handle_branch_prob): Ditto.
16473 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
16474 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
16475 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
16476 * tree-dfa.c (find_referenced_vars): Ditto.
16477 * except.c (set_nothrow_function_flags): Ditto.
16478 (convert_to_eh_region_ranges): Ditto.
16479 (rest_of_handle_eh): Ditto.
16480 * emit-rtl.c (unshare_all_rtl): Ditto.
16481 (remove_unnecessary_notes): Ditto.
16482 * except.h (set_nothrow_function_flags): Ditto.
16483 (convert_to_eh_region_ranges): Ditto.
16484 * cfgexpand.c (tree_expand_cfg): Ditto.
16485 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
16486 * tree-ssa-pre.c (do_pre): Ditto.
16487 (execute_fre): Ditto.
16488 * cfgcleanup.c (rest_of_handle_jump): Ditto.
16489 (rest_of_handle_jump2): Ditto.
16490 * tree-sra.c (tree_sra): Ditto.
16491 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
16492 (execute_mudflap_function_decls): Ditto.
16493 * tree-ssa-copy.c (do_copy_prop): Ditto.
16494 (do_store_copy_prop): Ditto.
16495 * ipa-prop.h (ipcp_driver): Ditto.
16496 * cfglayout.c (insn_locators_initialize): Ditto.
16497 * tree-ssa-forwprop.c
16498 (tree_ssa_forward_propagate_single_use_vars): Ditto.
16499 * cfglayout.h (insn_locators_initialize): Ditto.
16500 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
16501 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
16502 (execute_late_warn_uninitialized): Ditto.
16503 * rtl.h (cleanup_barriers): Ditto.
16504 (split_all_insns_noflow): Ditto.
16505 (purge_line_number_notes): Ditto.
16506 (unshare_all_rtl): Ditto.
16507 (remove_unnecessary_notes): Ditto.
16508 (recompute_reg_usage): Ditto.
16509 (variable_tracking_main): Ditto.
16510 * integrate.c (emit_initial_value_sets): Ditto.
16511 * integrate.h (emit_initial_value_sets): Ditto.
16512 * tree-optimize.c (execute_free_datastructures): Ditto
16513 (execute_free_cfg_annotations): Ditto.
16514 (execute_fixup_cfg): Ditto.
16515 (execute_cleanup_cfg_pre_ipa): Ditto.
16516 (execute_cleanup_cfg_post_optimizing): Ditto.
16517 (execute_init_datastructures): Ditto.
16518 * tree-object-size.c (compute_object_sizes): Ditto.
16519 * combine.c (rest_of_handle_combine): Ditto.
16520 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
16521 * bb-reorder.c (duplicate_computed_gotos): Ditto.
16522 (rest_of_handle_reorder_blocks): Ditto.
16523 (rest_of_handle_partition_blocks): Ditto.
16524 * var-tracking.c (variable_tracking_main): Ditto.
16525 * tree-profile.c (tree_profiling): Ditto.
16526 * tree-vect-generic.c (expand_vector_operations): Ditto.
16527 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
16528 * sched-rgn.c (rest_of_handle_sched): Ditto.
16529 (rest_of_handle_sched2): Ditto.
16530 * basic-block.h (free_bb_insn): Ditto.
16531 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
16532 * tree-cfg.c (execute_build_cfg): Ditto.
16533 (remove_useless_stmts): Ditto.
16534 (split_critical_edges): Ditto.
16535 (execute_warn_function_return): Ditto.
16536 (execute_warn_function_noreturn): Ditto.
16537 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
16538 * cfgrtl.c (free_bb_for_insn): Ditto.
16539 * passes.c (execute_one_pass): Run additional
16540 todos returned by execute function.
16541 * tree-pass.h (struct tree_opt_pass): Make execute
16544 2006-03-02 Richard Guenther <rguenther@suse.de>
16546 * tree-ssa-alias.c (find_used_portions): Consider taking
16547 the address as making the variable not write-only.
16549 2006-03-02 Nick Clifton <nickc@redhat.com>
16551 * config.gcc (default_use_cxa_atexit): Extend the description of
16552 this configure variable. Set its default value to "yes" for
16553 Linux, NetBSD and ELF targets on the assumption that they will
16554 use C libraries with the __cxa_atexit function.
16556 2006-03-02 Ben Elliston <bje@au.ibm.com>
16558 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16559 parameter as unused to suppress a build warning.
16561 2006-03-02 Ben Elliston <bje@au.ibm.com>
16563 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
16566 2006-03-01 Roger Sayle <roger@eyesopen.com>
16569 * gthr-posix.h (__gthrw2): Define to take three parameters, the
16570 declared name, the weak reference name, and the typeof name.
16571 (__gthrw): Avoid expanding the declared name suffix.
16572 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
16574 2006-03-01 Jakub Jelinek <jakub@redhat.com>
16576 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
16578 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
16579 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
16580 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
16581 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
16582 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
16583 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
16584 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
16585 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
16586 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
16587 DW_DS_leading_separate, DW_DS_trailing_separate): New.
16588 (DW_END_default, DW_END_big, DW_END_little): New.
16589 (DW_END_lo_user, DW_END_hi_user): Define.
16590 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
16591 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
16592 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
16595 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16597 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
16599 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
16601 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
16603 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
16605 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
16606 to 'symbol_mem_tag'.
16608 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
16611 2006-03-01 Roger Sayle <roger@eyesopen.com>
16613 * builtins.c (fold_builtin_copysign): Delete unreachable code.
16615 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16618 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
16619 MACHO_DYNAMIC_NO_PIC_P.
16620 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
16622 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16625 * config/darwin-protos.h (darwin_asm_output_anchor):
16627 * config/darwin-sections.def (cstring_section):
16628 Add SECTION_MERGE to the flags.
16629 (literal4_section): Likewise.
16630 (literal8_section): Likewise.
16631 (objc_selector_refs_section): Likewise.
16632 (objc_cls_refs_section): Likewise.
16633 * config/darwin.c (darwin_asm_output_anchor): New
16635 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16637 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
16639 Fix PR tree-optimization/26443
16640 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
16641 to todo and PROP_tmt_usage to properties_destroyed.
16642 * tree-ssa-ccp.c (pass_ccp): Ditto.
16643 (pass_store_ccp): Ditto.
16644 * tree-ssa-dom.c (pass_dominator): Ditto.
16646 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16648 * tree-ssa-operands.c: Cleanup whitespace.
16649 (get_asm_expr_operands): Move before first invocation.
16650 (get_indirect_ref_operands): Likewise.
16651 (get_tmr_operands): Likewise.
16652 (get_call_expr_operands): Likewise.
16653 (append_def): Likewise.
16654 (append_use): Likewise.
16655 (append_v_may_def): Likewise.
16656 (append_v_must_def): Likewise.
16657 (add_call_clobber_ops): Likewise.
16658 (add_call_read_ops): Likewise.
16659 (add_stmt_operand): Likewise.
16660 (add_virtual_operand): Likewise.
16661 (build_ssa_operands): Likewise.
16663 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16665 PR middle-end/26022
16667 PR middle-end/24437
16668 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16669 with a call expr to ...
16670 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16672 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16674 * tree-vrp.c (extract_range_from_assert): Remove special
16675 handling for types with super-types.
16677 2006-03-01 Ben Elliston <bje@au.ibm.com>
16679 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
16680 and powerpc64-*-linux* configurations.
16681 * config/t-dfprules: New file.
16683 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
16684 Compile dfp-bit.c from the source directory using -DWIDTH and
16685 $DFP_CFLAGS to control the compilation of that file, rather than
16686 generating width-specific versions in the build directory.
16687 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
16688 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
16690 2006-02-28 Zack Weinberg <zackw@panix.com>
16692 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
16695 2006-02-28 Eric Christopher <echristo@apple.com>
16697 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
16698 Set up IN_LIBGCC definition of TARGET_64BIT.
16699 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
16701 2006-02-28 Roger Sayle <roger@eyesopen.com>
16703 PR middle-end/14752
16704 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
16705 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
16706 cases via the construction of "expr != 0".
16708 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
16710 * alias.c (alias_invariant, alias_invariant_size): Remove.
16711 (record_base_value): Remove.
16712 (memrefs_conflict_p): Don't look at alias_invariant.
16713 (end_alias_analysis): Don't free it.
16714 * alias.h (record_base_value): Remove prototype.
16716 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
16717 Adam Nemet <anemet@caviumnetworks.com>
16719 * rtl.h (truncated_to_mode): Declare it.
16720 (struct rtl_hooks): Add reg_truncated_to_mode hook.
16721 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
16722 (RTL_HOOKS_INITIALIZER): Include it.
16723 * rtlhooks.c (reg_truncated_to_mode_general): New function.
16724 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
16725 reg_truncated_to_mode.
16726 * rtlanal.c (truncated_to_mode): Define it.
16727 * simplify-rtx.c (simplify_unary_operation_1): Use it.
16729 2006-02-28 Jeff Law <law@redhat.com>
16731 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
16732 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
16733 the range allowed by TYPE_PRECISION.
16735 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
16737 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
16739 PR tree-optimization/26419
16740 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
16743 2006-02-27 Zack Weinberg <zackw@panix.com>
16745 * doc/md.texi: Fix typo in previous change.
16747 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
16751 2006-02-27 Zack Weinberg <zackw@panix.com>
16753 * rtl.def (define_constraint, define_register_constraint)
16754 (define_memory_constraint, define_address_constraint): New MD forms.
16755 * gensupport.c (process_rtx): Put define_constraint etc on the
16757 * genpreds.c (process_define_predicate): Adjust comment. Validate
16758 the name, and call validate_exp to validate the expression.
16759 (mark_mode_tests, write_extract_subexp): Can assume correct input.
16760 (write_predicate_expr): Likewise. NAME argument no longer necessary;
16761 all callers changed.
16762 (validate_exp, needs_variable, struct constraint_data)
16763 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
16764 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
16765 (const_dbl_constraints, constraint_max_namelen)
16766 (have_register_constraints, have_memory_constraints)
16767 (have_address_constraints, have_address_constraints)
16768 (have_extra_constraints, have_const_int_constraints)
16769 (have_const_dbl_constraints, mangle, add_constraint)
16770 (process_define_constraint, process_define_register_constraint)
16771 (write_enum_constraint_num, write_lookup_constraint)
16772 (write_insn_constraint_len, write_regclass_for_constraint)
16773 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
16774 (write_insn_extra_memory_constraint)
16775 (write_insn_extra_address_constraint)
16776 (write_satisfies_constraint_fns): New.
16777 (write_tm_preds_h): If we have new-style constraint definitions,
16778 prototype the functions generated from them, and define the
16779 old constraint interface (still used by generic code) in terms of
16781 (write_insn_preds_c): If we have new-style constraint definitions,
16782 generate all relevant functions from those definitions.
16783 (main): Handle define_constraint etc.
16784 * genoutput.c (struct constraint_data, indep_constraints)
16785 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
16786 (mdep_constraint_len): New data structures and functions, defined
16787 #ifdef USE_MD_CONSTRAINTS.
16788 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
16789 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
16790 use new logic to validate operand constraints against constraint
16792 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
16794 * defaults.h: If none of the old-style constraint macros are
16795 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
16796 old-style macros; and poison REG_CLASS_FROM_LETTER,
16797 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
16799 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
16800 * doc/md.texi: Document new constraint-definition mechanism and the
16801 C interface it provides. Remove references to old mechanism
16802 elsewhere in the document.
16803 (Machine Constraints): Use pathnames relative to gcc directory,
16804 i.e. config/ARCH/FILE. Change i386 section to refer to
16805 config/i386/predicates.md; update that section to match docstrings.
16806 * doc/tm.texi: Move all documentation of the old constraint-
16807 definition macros to their own section, clearly mark as obsolete.
16809 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
16810 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
16812 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
16813 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
16814 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
16815 constraint strings.
16816 (splits and peepholes): Use satisfies_constraint_*.
16817 * config/i386/i386.c (memory_address_length)
16818 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
16820 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16822 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
16823 scalar operation to be put back into the loop.
16825 2006-02-27 Jakub Jelinek <jakub@redhat.com>
16828 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
16829 (extract_cie_info): Handle S flag in augmentation string.
16830 (execute_cfa_program): If context->signal_frame, execute also
16831 fs->pc == context->ra instructions.
16832 (uw_frame_state_for): If context->signal_frame, don't subtract one
16833 from context->ra to find FDE.
16834 (uw_update_context_1): Set context->signal_frame to
16836 (_Unwind_GetIPInfo): New function.
16837 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
16838 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
16840 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
16841 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
16842 * unwind-compat.c (_Unwind_GetIPInfo): New function.
16843 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
16844 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
16845 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
16846 * config/i386/linux-unwind.h (x86_fallback_frame_state,
16847 x86_64_fallback_frame_state): Set fs->signal_frame.
16848 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
16849 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
16850 (frob_update_context): Likewise. Workaround missing S flag in
16851 Linux 2.6.12 - 2.6.16 kernel vDSOs.
16852 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
16853 Remove the psw_addr + 1 hack.
16855 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16857 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
16858 with aggregates here.
16859 (find_func_aliases): Remove code for &<aggregate> from here.
16861 2006-02-26 Roger Sayle <roger@eyesopen.com>
16863 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
16864 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
16865 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
16866 as (X & C) ne/eq 0.
16868 2006-02-26 Roger Sayle <roger@eyesopen.com>
16870 PR middle-end/19983
16871 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
16873 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
16875 * opts.c (decode_options): Do not handle flag_strength_reduce.
16876 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
16877 and OPT_fstrength_reduce.
16878 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
16879 flag_prefetch_loop_arrays for being nonzero.
16880 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
16882 (fprefetch-loop-arrays-rtl): Removed.
16883 (flag_prefetch_loop_arrays): Do not specify the value.
16885 * doc/passes.texi: Update documentation of loop optimizer
16887 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
16888 -frerun-loop-opt): Remove.
16890 2006-02-26 Richard Guenther <rguenther@suse.de>
16892 PR tree-optimization/26421
16893 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
16894 in function calls that are ADDR_EXPRs as using the whole structure.
16896 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
16898 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
16899 * tree-pass.h (pass_loop_optimize): Remove.
16900 * passes.c (pass_loop_optimize): Never run it.
16901 * toplev.c (backend_init): Don't call init_loop.
16902 * opts.c (flag_loop_optimize_set): Remove.
16903 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
16904 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
16905 the old RTL loop optimizer when profiling enabled.
16906 * predict.c (tree_estimate_probability): Always strip builtin_expect.
16907 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
16908 pre-headers for the sake of the old RTL loop optimizer.
16909 * Makefile.in: Remove all references to loop.o.
16911 * doc/invoke.texi: Remove all references to -floop-optimize
16912 and -frerun-loop-opt.
16914 2006-02-26 Zack Weinberg <zackw@panix.com>
16916 * doc/md.texi (Machine Constraints): Refer to all files with paths
16917 relative to gcc directory (i.e. config/CPU/file). Add missing
16918 @table @code ... @end table to M32C subsection.
16920 2006-02-26 Roger Sayle <roger@eyesopen.com>
16922 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
16924 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
16926 2006-02-26 Roger Sayle <roger@eyesopen.com>
16927 James A. Morrison <phython@gcc.gnu.org>
16929 PR middle-end/21137
16930 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
16931 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
16932 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
16933 signedness of the shift operation.
16935 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
16937 PR tree-optimization/26359
16938 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
16940 2006-02-25 Roger Sayle <roger@eyesopen.com>
16942 * simplify-rtx.c (simplify_relational_operation_1): Simplify
16943 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
16944 as X == 0, and some symmetry related transformations.
16945 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
16947 2006-02-25 Roger Sayle <roger@eyesopen.com>
16949 PR middle-end/23673
16950 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
16951 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
16952 symmetry related transformations. Fold (X^C1) == C2 as
16955 2006-02-25 Juergen Weigert <jw@suse.de>
16956 Richard Guenther <rguenther@suse.de>
16958 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
16960 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
16962 * combine.c (gen_lowpart_or_truncate): Call
16963 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
16965 2006-02-24 Diego Novillo <dnovillo@redhat.com>
16967 * doc/invoke.texi: Move -fopenmp description to "Options for
16969 Remove reference to -lgomp.
16971 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16973 * doc/install.texi: Require GNU tar version 1.14.
16975 2006-02-24 Geoffrey Keating <geoffk@apple.com>
16977 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
16978 * doc/invoke.texi (C++ Dialect Options): Document
16979 -fno-use-cxa-get-exception-ptr.
16980 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
16981 * configure: Regenerate.
16982 * c.opt (fuse-cxa-get-exception-ptr): New.
16983 * c-opts.c (c_common_handle_option): Handle
16984 OPT_fuse_cxa_get_exception_ptr.
16985 * c-common.c (flag_use_cxa_atexit): Update documentation.
16986 (flag_use_cxa_get_exception_ptr): New.
16987 * c-common.h (flag_use_cxa_get_exception_ptr): New.
16988 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
16990 (C_COMMON_OVERRIDE_OPTIONS): New.
16992 2006-02-24 Roger Sayle <roger@eyesopen.com>
16994 PR middle-end/24952
16995 * combine.c (try_combine): Explicitly check whether GET_CODE is
16996 a SET or a CLOBBER, instead on checking that it isn't a USE.
16998 2006-02-24 Roger Sayle <roger@eyesopen.com>
17000 * fold-const.c (fold_comparison): New subroutine of fold_binary
17001 containing transformations common to both the equality and
17002 ordering relational operators, factored out of fold_binary.
17003 (fold_binary): Separate out the equality operators (EQ_EXPR
17004 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17005 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17006 transformations common to both.
17007 (fold_div_compare): Fix latent bugs in the previously unreachable
17008 LT_EXPR and GE_EXPR cases.
17010 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17012 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17013 decl libname for clog to __clog on AIX.
17015 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17017 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17020 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17021 output traceback table for thunks. Localise rs6000_stack_info call.
17023 2006-02-23 Roger Sayle <roger@eyesopen.com>
17024 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17026 * gthr-posix.h (__gthrw): Fix typo in comment.
17028 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17030 * doc/cpp.texi (Character sets): Document that we do support
17031 input files to be in any character set.
17033 2006-02-23 Jeff Law <law@redhat.com>
17035 * tree.h (PHI_ARG_NONZERO): Remove.
17036 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17037 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17038 node to the new node.
17040 PR tree-optimization/26425
17041 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17042 min/max, then assume its varying.
17044 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17046 PR rtl-optimization/26316
17047 * rtlanal.c (enum may_trap_p_flags): New.
17048 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17049 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17050 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17051 (may_trap_after_code_motion_p): New function.
17052 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17053 (find_invariant_insn): Use may_trap_after_code_motion_p.
17054 * rtl.h (may_trap_after_code_motion_p): Declare.
17056 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17058 * emit-rtl.c (immed_double_const): Cleanup.
17060 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17062 Fix PR tree-optimization/26376
17063 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17066 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17068 PR middle-end/26412
17069 * gimplify.c (omp_add_variable): Guard variable size decl test with
17070 DECL_SIZE (decl) check.
17072 2006-02-23 Richard Guenther <rguenther@suse.de>
17074 PR middle-end/26439
17075 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17076 like aggregate types.
17078 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17080 * configure.ac: Add --with{,out}-long-double-128 configure option.
17081 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17082 * configure: Rebuilt.
17083 * config.in: Rebuilt.
17084 * doc/install.texi (Options specification): Document
17085 --with-long-double-128.
17087 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17088 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17089 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17090 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17092 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17094 * config/s390/s390.c (override_options): Handle
17095 TARGET_DEFAULT_LONG_DOUBLE_128.
17097 * config/alpha/alpha.c (override_options): Handle
17098 TARGET_DEFAULT_LONG_DOUBLE_128.
17100 * config/sparc/sparc.c (sparc_override_options): Handle
17101 TARGET_DEFAULT_LONG_DOUBLE_128.
17103 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17105 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17106 (real-install-headers-tar, real-install-headers-cpio)
17107 (real-install-headers-cp): New targets.
17109 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17111 * tree.h (variable_section): Delete.
17112 * varasm.c (variable_section): Delete.
17114 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17116 * install.texi: Add notes on install.texi2html.
17117 (Building in parallel): Do not use footnotes.
17119 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17122 * doc/install.texi (Configuration): Document --disable-libgomp.
17124 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17126 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17128 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17130 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17131 (vec_extractv2df_0_sse): New.
17133 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17135 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17136 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17137 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17138 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17139 to the result of the expression.
17140 (def_cfa_1): Adjust.
17141 (frame_pointer_cfa_offset): Rename to...
17142 (frame_pointer_fb_offset): ... this. Adjust all uses.
17143 (convert_cfa_to_loc_list): Rename to...
17144 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17145 Pass it on to build_cfa_loc.
17146 (compute_frame_pointer_to_cfa_displacement): Rename to...
17147 (compute_frame_pointer_to_fb_displacement): ... this. New
17148 offset parameter. Use it in computation.
17149 (gen_subprogram_die): Compute cfa_fb_offset with the new
17150 macro, and use it to compute the fb loc list and the
17153 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17155 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17156 replaced with register_operand.
17157 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17158 non-DREG is expensive.
17159 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17160 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17163 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17165 * doc/install.texi2html: Use set -e.
17167 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17169 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17170 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17171 * doc/invoke.texi (-fshared-data): Delete.
17172 * common.opt (fshared-data): Delete.
17173 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17174 (assemble_static_space): Remove #if 0 code.
17175 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17176 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17177 * config/cris/cris.h: Remove FIXME.
17179 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17181 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17184 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17186 PR middle-end/26379
17187 * combine.c (simplify_shift_const_1): Disable nested shifts
17188 optimization for vector shifts.
17190 2006-02-20 Roger Sayle <roger@eyesopen.com>
17192 PR tree-optimization/26361
17193 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17194 of unsigned integer types.
17196 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17198 * tree-chrec.c (eq_evolutions_p): New.
17199 * tree-chrec.h (eq_evolutions_p): Declared.
17200 * tree-data-ref.c: Fix formatting.
17201 (datadep_stats, dependence_stats): New.
17203 (print_direction_vector): New.
17204 (dump_data_dependence_relation): Use print_direction_vector.
17205 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17206 (compute_subscript_distance): Static.
17207 (initialize_data_dependence_relation): Static. Get the number
17208 of loops surrounding the references from the callers, and initialize
17209 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17210 base_object_differ_p analyzers.
17211 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17212 compute_overlap_steps_for_affine_1_2,
17213 analyze_subscript_affine_affine): Count the classified dependences.
17214 Print a message when a test failed.
17215 (can_use_analyze_subscript_affine_affine): New.
17216 (analyze_siv_subscript): Compute the data dependences on symbolic
17217 scevs that verify can_use_analyze_subscript_affine_affine.
17218 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17219 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17220 Handle symbolic scevs.
17221 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17223 (subscript_dependence_tester): Moved...
17224 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17225 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17226 DDR_SIZE_VECT instead of getting it in parameter.
17227 (subscript_dependence_tester): ... here. Take as a parameter
17228 loop_nest_depth. Call build_classic_dist_vector and
17229 build_classic_dir_vector.
17230 (compute_affine_dependence): Update subscript_dependence_tester
17231 parameters. Update datadep_stats counters. Call
17232 compute_subscript_distance.
17233 (compute_self_dependence): Save the dist and dir vectors. Call
17234 compute_subscript_distance.
17235 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17236 (compute_all_dependences): Reorder parameters as they were before
17237 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17238 compute_subscript_distance. Update the use of
17239 compute_affine_dependence and initialize_data_dependence_relation.
17240 (find_data_references_in_loop): Handle COMPONENT_REF.
17241 (compute_data_dependences_for_loop): Initialize dependence_stats.
17242 Don't call build_classic_dist_vector and build_classic_dir_vector.
17243 Update the parameters of initialize_data_dependence_relation and
17244 compute_all_dependences. Print the statistics from datadep_stats.
17245 (analyze_all_data_dependences): Static. Not used until the pass for
17246 checking the data dependences is contributed.
17247 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17248 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17249 (initialize_data_dependence_relation, compute_affine_dependence,
17250 analyze_all_data_dependences, compute_subscript_distance): Removed.
17251 (print_direction_vector): New.
17252 * lambda.h (gcd): ... here.
17253 (lambda_vector_gcd): Moved here from gcd_vector.
17254 * lambda-code.c (gcd, gcd_vector): Removed.
17255 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17256 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17258 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17260 * ipa-type-escape.c: Tidy some comments and white space.
17261 * tree-ssa-operands.c: Likewise.
17263 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17266 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17267 (dump_decl_name): Do not walk the decl tree chains.
17268 * tree-pass.h (TDF_CHAIN): Remove.
17270 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17272 * Makefile.in (C): Remove
17274 (.PHONY): Remove C and PROTO
17276 2006-02-20 Roger Sayle <roger@eyesopen.com>
17278 PR middle-end/26236
17279 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17280 deprecated CHAR_TYPE tree code.
17282 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17284 * configure.ac (target_list): Add install-info, dvi, html.
17285 * configure: Regenerate.
17287 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17288 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17289 treelang/Make-lang.in: Do not use double-colon rules.
17291 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17293 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17294 (TMT_USED_ALONE): New macro.
17295 * tree-pass.h (PROP_tmt_usage): New property.
17296 (TODO_update_tmt_usage): New todo.
17297 * tree-ssa-alias.c (updating_used_alone): New variable.
17298 (recalculate_used_alone): New function.
17299 (compute_may_aliases): Set updating_used_alone, call
17300 recalculate_used_alone.
17301 * tree-sra.c (pass_sra): Note that this pass destroys
17302 PROP_tmt_usage, and add TODO_update_tmt_usage.
17303 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17304 * tree-flow.h (updating_used_alone): Prototype.
17305 (recalculate_used_alone): Ditto.
17306 * passes.c (execute_todo): Add code to set updating_used_alone,
17307 and call recalculate.
17308 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17309 for clobber if used alone, and add assert to verify used_alone
17312 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17314 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17315 for non tls symbols added.
17316 (legitimize_address): Do nothing for PLUS expressions if one of the
17317 addends is a tls symbol reference.
17319 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17323 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17325 * Makefile.in (BOOTSTRAPPING): New.
17326 (quickstrap): New definition if BOOTSTRAPPING=yes.
17328 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17329 * configure.ac: Substitute all_selected_languages with the languages
17330 that were configured. For all the other variables except
17331 lang_specs_files, include all the languages in the tree.
17332 * configure: Regenerate.
17334 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17335 if there is one. Run the commands to run fixincludes in the same
17338 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17339 * doc/install.texi: Document exact conventions for searching target tools.
17340 Document --with-build-time-tools. Document toplevel bootstrap. Document
17341 something more about building an Ada cross-compiler. Don't list GNU Make
17342 requirements which affect all platforms.
17344 2006-02-19 Roger Sayle <roger@eyesopen.com>
17346 PR middle-end/19543
17347 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17348 only equivalent if the have both the same mode and precision.
17350 2006-02-20 Ben Elliston <bje@au.ibm.com>
17352 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17354 2006-02-19 Roger Sayle <roger@eyesopen.com>
17355 Steven Bosscher <stevenb.gcc@gmail.com>
17357 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17358 constant pool references to identify stack mode constants.
17359 * rtlanal.c (constant_pool_constant_p): New predicate to check
17360 whether operand is a floating point constant in the pool.
17361 * rtl.h (constant_pool_constant_p): Prototype here.
17362 * loop.c (scan_loop): Avoid hoisting constants from the constant
17363 pool on STACK_REGS targets.
17364 (load_mems): Likewise.
17365 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17366 loads into x87 registers expensive in terms of register pressure.
17368 2006-02-19 Roger Sayle <roger@eyesopen.com>
17370 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17371 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17373 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17375 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17376 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17378 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17380 * doc/invoke.texi: Document -fipa-pta.
17381 * common.opt: Add ipa-pta option.
17382 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17383 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17384 (do_ds_constraint): Ditto.
17385 (get_constraint_for): Only add to referenced_vars if
17386 referenced_vars exists.
17387 (insert_into_field_list): Rewrite to do this unsorted.
17388 (insert_into_field_list_sorted): Rename old insert_into_field_list
17390 (create_function_info_for): Use insert_into_field_list_sorted.
17391 (create_variable_info_for): Rewrite so it uses unsorted version,
17392 since the field list is sorted.
17393 (intra_create_variable_infos): Only add to referenced_vars if
17394 referenced_vars exists.
17395 (ipa_pta_execute): Init heapvars, and delete when done.
17396 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17398 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17400 * doc/install.texi: Add missing `@samp'.
17402 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17404 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17407 2006-02-18 Mark Wielaard <mark@klomp.org>
17409 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17410 who added new 4.1 features, bug fixes and integration support.
17412 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17415 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17416 MEM for ABI_V4 pic.
17418 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17420 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17421 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17422 (copy_insn_1): Likewise. Don't copy each field individually.
17424 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17426 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17427 * rtl.c (rtx_size): Rename variable to...
17428 (rtx_code_size): ...this.
17429 (rtx_size): New function.
17430 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
17431 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
17433 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
17434 * rtl.h (rtx_code_size): New variable.
17435 (rtx_size): Change from a variable to a function.
17436 (RTX_SIZE): Rename to...
17437 (RTX_CODE_SIZE): ...this.
17440 PR tree-optimization/17106
17441 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
17442 (Anchored Addresses): New section.
17443 * doc/invoke.texi (-fsection-anchors): Document.
17444 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
17445 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
17446 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
17447 * hooks.c (hook_bool_mode_rtx_false): New function.
17448 * hooks.h (hook_bool_mode_rtx_false): Declare.
17449 * gengtype.c (create_optional_field): New function.
17450 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
17451 SYMBOL_REF_IN_BLOCK_P is true.
17452 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
17453 (min_anchor_offset, max_anchor_offset): Likewise.
17454 (use_anchors_for_symbol_p): New hook.
17455 * toplev.c (compile_file): Call output_object_blocks.
17456 (target_supports_section_anchors_p): New function.
17457 (process_options): Check that -fsection-anchors is only used on
17458 targets that support it and when -funit-at-a-time is in effect.
17459 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
17460 if the decl doesn't have one.
17461 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
17462 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
17463 of force_const_mem through use_anchored_address.
17464 (expand_expr_constant): New function.
17465 (expand_expr_addr_expr_1): Call it. Use the same modifier when
17466 calling expand_expr for INDIRECT_REF.
17467 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
17468 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
17469 * expr.h (use_anchored_address): Declare.
17470 * loop-unroll.c: Don't declare rtx vectors here.
17471 * explow.c: Include output.h.
17472 (validize_mem): Call use_anchored_address.
17473 (use_anchored_address): New function.
17474 * common.opt (-fsection-anchors): New switch.
17475 * varasm.c (object_block_htab, anchor_labelno): New variables.
17476 (hash_section, object_block_entry_eq, object_block_entry_hash)
17477 (use_object_blocks_p, get_block_for_section, create_block_symbol)
17478 (use_blocks_for_decl_p, change_symbol_section): New functions.
17479 (get_variable_section): New function, split out from assemble_variable.
17480 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
17481 use_blocks_for_decl_p say so. Use change_symbol_section if the
17482 symbol has already been created.
17483 (assemble_variable_contents): New function, split out from...
17484 (assemble_variable): ...here. Don't output any code for
17485 block symbols; just pass them to place_block_symbol.
17486 Use get_variable_section and assemble_variable_contents.
17487 (get_constant_alignment, get_constant_section, get_constant_size): New
17488 functions, split from output_constant_def_contents.
17489 (build_constant_desc): Create a block symbol if use_object_blocks_p
17490 says so. Or into SYMBOL_REF_FLAGS.
17491 (assemble_constant_contents): New function, split from...
17492 (output_constant_def_contents): ...here. Don't output any code
17493 for block symbols; just pass them to place_section_symbol.
17494 Use get_constant_section and get_constant_alignment.
17495 (force_const_mem): Create a block symbol if use_object_blocks_p and
17496 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
17497 (output_constant_pool_1): Add an explicit alignment argument.
17498 Don't switch sections here.
17499 (output_constant_pool): Adjust call to output_constant_pool_1.
17500 Switch sections here instead. Don't output anything for block symbols;
17501 just pass them to place_block_symbol.
17502 (init_varasm_once): Initialize object_block_htab.
17503 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
17504 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
17505 (place_block_symbol, get_section_anchor, output_object_block)
17506 (output_object_block_htab, output_object_blocks): New functions.
17507 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
17508 (TARGET_ASM_OUT): Include it.
17509 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
17510 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
17511 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
17512 (TARGET_INITIALIZER): Include them.
17513 * rtl.c (rtl_check_failed_block_symbol): New function.
17514 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
17515 (block_symbol, object_block): New structures.
17516 (rtx_def): Add a block_symbol field to the union.
17517 (BLOCK_SYMBOL_CHECK): New macro.
17518 (rtl_check_failed_block_symbol): Declare.
17519 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
17520 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
17521 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
17522 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
17523 * output.h (output_section_symbols): Declare.
17524 (object_block): Name structure.
17525 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
17526 (default_use_anchors_for_symbol_p): Declare.
17527 * Makefile.in (RTL_BASE_H): Add vec.h.
17528 (explow.o): Depend on output.h.
17529 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
17530 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
17531 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
17532 (rs6000_use_blocks_for_constant_p): New function.
17534 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17536 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
17538 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17541 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
17544 2006-02-18 Diego Novillo <dnovillo@redhat.com>
17546 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
17550 2006-02-18 Jakub Jelinek <jakub@redhat.com>
17552 PR middle-end/26334
17553 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17554 instead of DECL_REGISTER.
17556 2006-02-18 Olivier Hainque <hainque@adacore.com>
17559 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17561 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17564 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17565 * opth-gen.awk: Handle Var and InverseMask together.
17566 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
17567 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
17568 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
17569 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
17571 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17572 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17573 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
17574 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17575 LINUX_DYNAMIC_LINKER): Define.
17576 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
17577 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
17579 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17580 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
17581 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17582 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17583 (TARGET_C99_FUNCTIONS): Don't define.
17584 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
17585 GLIBC_DYNAMIC_LINKER.
17586 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
17587 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
17588 GLIBC_DYNAMIC_LINKER64): Define.
17589 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17590 LINUX_DYNAMIC_LINKER64.
17591 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17592 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17593 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
17594 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17595 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17596 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17597 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
17598 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
17599 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
17600 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
17601 and LINUX_DYNAMIC_LINKER32.
17602 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17604 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
17605 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17606 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
17608 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
17609 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
17610 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17611 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17612 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17613 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
17614 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
17615 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
17616 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17617 LINUX_DYNAMIC_LINKER): Define.
17618 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
17619 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
17620 GLIBC_DYNAMIC_LINKER64): Define.
17621 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17622 LINUX_DYNAMIC_LINKER64.
17623 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17624 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17625 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
17626 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17627 LINUX_DYNAMIC_LINKER): Define.
17628 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17629 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17630 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
17631 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
17632 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
17633 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17634 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
17635 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
17636 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17637 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17638 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17639 * doc/invoke.texi (-muclibc): Remove caveat about supported
17642 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
17644 * doc/cpp.texi (__TIMESTAMP__): Document.
17646 2006-02-17 Roger Sayle <roger@eyesopen.com>
17648 PR middle-end/25600
17649 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
17650 C is one less than the width of X (and related transformations).
17651 * simplify-rtx.c (simplify_unary_operation_1): Transform
17652 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
17653 depending on STORE_FLAG_VALUE, were C is one less then the
17656 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
17658 Fix PR tree-optimization/26341
17659 * tree-ssa-operands.c (add_virtual_operand): Remove assert
17660 about NAME_MEMORY_TAG's.
17662 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17665 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
17666 with hardware float support, and software float support. Add fcpy
17667 alternative to hardware patterns. Add alternatives to copy between
17668 general and floating-point registers to the 32-bit pattern.
17669 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
17670 secondary reload to load a QI or HI mode constant into a floating
17672 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
17673 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
17675 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
17678 * config/rs6000/darwin.md (load_macho_picbase_si): Add
17680 (load_macho_picbase_di): Likewise.
17682 2006-02-16 Jeff Law <law@redhat.com>
17684 * tree-vrp.c (set_value_range_to_nonnegative): New function.
17685 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
17686 (ssa_name_nonzero_p): Likewise.
17687 (get_value_range): Return NULL if VRP is not running.
17688 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
17689 VRP routines do not discover a range.
17690 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
17691 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
17692 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
17693 (tree_expr_nonnegative_p): Similarly.
17694 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
17695 (restore_nonzero_vars_to_original_value): Remove.
17696 (unsafe_associative_fp_binop): Remove.
17697 (tree_ssa_dominator_optimize): Remove initialization and
17698 finalization of nonzero_vars and nonzero_vars_stack.
17699 (dom_opt_initialize_block): No longer push marker on
17700 nonzero_vars_stack.
17701 (dom_opt_finalize_block): No longer call
17702 restore_nonzero_vars_to_original_value.
17703 (record_equivalences_from_phis): No longer look for
17704 nonzero PHI arguments.
17705 (cprop_into_successor_phis): No longer propagate nonzero
17706 property into PHI arguments. Lose unused argument. Caller
17708 (record_equivalences_from_stmt): No longer record nonzero
17709 values for SSA_NAMEs.
17710 (lookup_avail_expr): No longer use nonzero_vars.
17712 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
17713 for sizetype when sizetype is unsigned.
17715 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
17717 PR rtl-optimization/25603
17718 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
17719 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
17720 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
17721 with new meaning of SETS.
17723 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
17728 * config/linux.opt: New file.
17729 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
17730 LINUX_DYNAMIC_LINKER): Define.
17731 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
17732 * config.gcc (*-*-linux*): Define extra_options.
17733 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
17734 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
17735 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
17736 GLIBC_DYNAMIC_LINKER.
17737 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
17738 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17739 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17740 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17741 * doc/invoke.texi (GNU/Linux Options): New section.
17743 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
17745 * config/sparc/sparc.md (setjmp): Rewrite.
17746 (setjmp_32): Delete.
17747 (setjmp_64): Likewise.
17749 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
17751 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
17754 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17756 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
17759 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17761 PR rtl-optimization/26296
17762 * Makefile.in (loop-invariant.c): Add except.h dependency.
17763 * loop-invariant.c: Include except.h.
17764 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
17766 2005-02-16 Paul Brook <paul@codesourcery.com>
17768 * reload1.c (emit_reload_insns): Invalidate dead input registers used
17771 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
17773 PR rtl-optimization/25636
17774 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
17775 when deciding whether an insn is an initializing insn.
17777 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
17779 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
17780 (tree_code_size): Ditto.
17781 * tree.h (struct tree_memory_tag): Remove parent_var.
17782 (struct tree_struct_field_tag): New.
17785 (union tree_node): Add sft member.
17786 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
17788 (create_sft): Add size and offset argument, set SFT_OFFSET and
17790 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
17791 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
17792 * tree-flow-inline.h (get_subvar_at): Update for
17793 SFT_OFFSET/SFT_SIZE.
17794 (var_can_have_subvars): Ditto.
17795 (overlap_subvar): Ditto.
17796 * print-tree.c (print_node): Print out interesting things for
17798 * tree-flow.h (struct subvar): Remove offset and size members.
17799 * tree-ssa-operands.c (get_expr_operands): Update for
17800 get_indirect_ref_operands changes.
17801 (get_indirect_ref_operands): Call add_virtual_operand instead of
17802 add_stmt_operand. Only recurse on base var if requested.
17803 (access_can_touch_variable): New function.
17804 (add_stmt_operand): Split virtual operand handling into ...
17805 (add_virtual_operand): Here. Add offset, size, and for_clobber
17806 arguments. Prune alias sets.
17807 (add_call_clobber_ops): Call add_virtual_operand.
17809 2006-02-15 Jakub Jelinek <jakub@redhat.com>
17811 PR middle-end/26300
17812 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
17814 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
17815 than TREE_CODE as index into omp_clause_num_ops array.
17817 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
17819 PR rtl-optimization/26184
17820 * modulo-sched.c (generate_reg_moves): Free bitmap vector
17822 * modulo-sched.c (sms_schedule): Free g_arr pointer.
17823 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
17824 must_precede, must_follow and tobe_scheduled.
17827 * opts.c (common_handle_option): Free new_option pointer.
17828 * df-core.c (df_analyze): Free postorder pointer.
17830 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17832 * Makefile.in: Fix the examples about the use of stamps
17834 2006-02-15 Michael Matz <matz@suse.de>
17836 PR middle-end/22275
17838 * stor-layout.c (layout_decl): Zero-width bitfields aren't
17839 influenced by maximum_field_alignment or DECL_PACKED.
17840 (update_alignment_for_field): Ditto.
17841 (place_field): Ditto.
17842 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
17845 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
17847 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
17848 (debug_flow_info): Pass it.
17849 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
17850 * bb-reorder.c (reorder_basic_blocks): Likewise.
17851 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
17852 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
17853 * flow.c (life_analysis, recompute_reg_usage): Likewise.
17854 * gcse.c (gcse_main, bypass_jumps): Likewise.
17855 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
17856 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
17857 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
17858 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
17859 * rtl.h (dump_flow_info): Adjust prototype.
17860 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
17861 * var-tracking.c (variable_tracking_main): Likewise.
17862 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
17863 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
17866 2006-02-15 Marcin Dalecki <martin@dalecki.de>
17868 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
17871 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17873 PR tree-optimization/26209
17874 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
17875 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
17877 * tree-cfg.c (replace_uses_by): Do not alter cfg.
17879 2006-02-14 Roger Sayle <roger@eyesopen.com>
17881 PR middle-end/23670
17882 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
17883 (X,Y) and the corresponding symmetry related transformations.
17884 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
17885 (X,Y) and its symmetry related transformations.
17887 2006-02-14 Roger Sayle <roger@eyesopen.com>
17889 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
17892 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
17894 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
17896 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17899 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
17900 support COMDAT group.
17901 * configure: Regenerate.
17903 2006-02-14 Roger Sayle <roger@eyesopen.com>
17905 PR middle-end/26279
17906 PR middle-end/26280
17907 PR middle-end/26283
17908 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
17910 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
17912 Fix PR tree-optimization/26260
17914 * doc/invoke.texi (max-fields-for-field-sensitive): Document
17916 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
17917 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
17918 * tree-ssa-structalias.c (create_variable_info_for): Use
17919 MAX_FIELDS_FOR_FIELD_SENSITIVE.
17921 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17923 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
17925 * tree-ssa-loop-niter.c (number_of_iterations_ne,
17926 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
17927 of the ending condition.
17928 * tree-ssa-loop-manip.c: Include params.h.
17929 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
17930 tree_unroll_loop): New functions.
17931 * tree-pass.h (pass_loop_prefetch): Declare.
17932 * loop.c (rest_of_handle_loop_optimize): Test for
17933 -fprefetch-loop-arrays-rtl.
17934 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
17935 * timevar.def (TV_TREE_PREFETCH): New timevar.
17936 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
17937 pass_loop_prefetch): New.
17938 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
17939 (cleanup_tree_cfg_loop): Call scev_reset.
17940 * common.opt (fprefetch-loop-arrays-rtl): Add.
17941 * tree-ssa-loop-prefetch.c: New file.
17942 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
17943 (new_temp_expr_table): Initialize expr_vars.
17944 (free_temp_expr_table): Cleanup expr_vars.
17945 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
17946 expressions from being merged into one.
17947 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
17948 (struct tree_niter_desc): Add control, bound and cmp fields.
17949 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
17951 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
17952 (tree-cfgcleanup.o): Add SCEV_H dependency.
17953 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
17954 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
17956 2006-02-14 Richard Guenther <rguenther@suse.de>
17958 PR tree-optimization/26258
17959 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
17960 in PHI argument processing.
17962 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
17964 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
17965 new expression in the requested machine mode.
17967 2006-02-13 Roger Sayle <roger@eyesopen.com>
17969 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
17970 directly, instead let do_compare_rtx_and_jump handle this for us.
17971 * expr.c (expand_expr_real_1): Likewise.
17972 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
17973 before do_jump_by_parts_greater.
17974 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
17975 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
17977 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17979 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
17981 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17983 PR rtl-optimization/26235
17984 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
17985 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
17988 2006-02-13 Jeff Law <law@redhat.com>
17990 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
17993 2006-02-13 Jakub Jelinek <jakub@redhat.com>
17995 PR middle-end/26092
17996 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
17997 twice if decl is a builtin. When trying again, call get_callee_fndecl
17998 first to verify it is still a builtin.
18000 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18002 * dwarf2out.c (base_type_die): Don't add AT_name here.
18003 (subrange_type_die): Don't add AT_name here.
18004 (modified_type_die): Rearrange code flow. Do add AT_name here.
18006 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18008 PR rtl-optimization/26247
18009 PR rtl-optimization/26248
18010 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18012 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18014 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18015 * config/fixtfdi.c: Likewise.
18016 * config/fixunstfdi.c: Likewise.
18017 * config/floatditf.c: Likewise.
18019 2006-02-13 Roger Sayle <roger@eyesopen.com>
18021 PR middle-end/24427
18022 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18023 into (X,C2) if C1 is a subset of the bits of C2. Transform
18024 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18026 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18028 2006-02-13 Josh Conner <jconner@apple.com>
18031 * varasm.c (function_section): Check for section name before
18032 calling select_section on targets that define
18033 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18034 unlikely_text_section instead of hot_function_section if
18035 first_function_block_is_cold.
18037 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18039 PR middle-end/25335
18040 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18042 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18044 PR rtl-optimization/26222
18045 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18046 after tree->rtl expansion.
18047 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18048 before passing it to emit_move_insn.
18050 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18052 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18054 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18055 Clarify documentation.
18056 * c-common.h (warn_write_strings): Remove.
18057 * c-common.c (warn_write_strings): Likewise.
18058 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18061 2006-02-12 Roger Sayle <roger@eyesopen.com>
18063 PR middle-end/25724
18064 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18065 (do_jump_parts_zero_rtx): New function renamed from
18066 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18067 (do_jump_parts_equality_rtx): New function split out from
18068 do_jump_parts_equality. Old implementation renamed as above.
18069 Call do_jump_parts_zero_rtx if either operand is zero.
18070 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18071 do all of the heavy lifting.
18072 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18073 calling either do_jump_by_parts_greater_rtx or
18074 do_jump_by_parts_equality_rtx.
18075 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18076 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18077 moved to do_compare_rtx_and_jump, call it directly.
18078 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18079 mode argument. Call do_compare_rtx_and_jump.
18080 (emit_case_nodes): Update calls to do_jump_if_equal.
18082 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18084 PR rtl-optimization/26225
18085 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18087 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18089 PR rtl-optimization/26232
18090 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18092 2006-02-11 Jason Merrill <jason@redhat.com>
18095 * tree-inline.c (declare_return_variable): Just don't use the
18096 modify target if it's a gimple complex reg and the return slot
18099 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18101 * doc/contrib.texi: Update my entry.
18103 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18105 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18107 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18109 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18112 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18114 * doc/invoke.texi (-floop-optimize2): Removed.
18115 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18116 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18117 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18118 * common.opt (floop-optimize2): Removed.
18119 (fmove-loop-invariants): Enabled by default.
18121 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18123 * tree-if-conv.c (combine_blocks): Free the result of
18124 get_loop_exit_edges.
18126 2006-02-10 Jeff Law <law@redhat.com>
18128 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18130 PR tree-optimization/26213
18131 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18132 loop trying to follow SSA_NAME_VALUE chains.
18134 2006-02-10 Richard Guenther <rguenther@suse.de>
18136 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18137 deal with structures that end in implicitly variable sized arrays.
18139 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18141 PR rtl-optimization/24762
18142 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18145 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18147 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18148 (struct ivopts_data): Add regs_used field.
18149 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18150 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18151 instead of loop_data->regs_used;
18152 (free_loop_data): Do not free aux fields for loops.
18153 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18154 and tree_ssa_iv_optimize_finalize.
18156 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18158 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18160 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18163 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18164 computing the effective result type.
18166 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18168 PR inline-asm/16194
18169 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18170 (tree_overlaps_hard_reg_set): Declare.
18171 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18172 type and signature to match function type expected by walk_tree.
18173 (tree_overlaps_hard_reg_set): New function.
18174 (decl_conflicts_with_clobbers_p): Rename to:
18175 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18176 Use tree_overlaps_hard_reg_set. Changed caller.
18177 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18178 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18179 * cris.c (cris_md_asm_clobbers): Likewise.
18181 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18183 * reload1.c (emit_input_reload_insns): Delete code that tries to
18184 inherit using find_equiv_reg.
18186 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18188 * c-common.h (flag_const_strings): Don't declare.
18189 * c-common.c (flag_const_strings): Remove.
18190 * c.opt (fconst_strings): Remove.
18191 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18192 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18193 (c_common_init_options): Don't set flag_const_strings.
18194 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18196 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18198 * arm.md (tlobits_cbranch): New pattern.
18199 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18200 testing a single bit.
18202 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18205 * tree-ssa-pre.c (create_component_ref_by_pieces):
18206 Handle RETURN_DECL like VAR_DECL.
18208 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18210 PR middle-end/26134
18211 * fold-const.c (fold_indirect_ref_1): Fold
18212 "*(foo *)&complexfoo" to "__real__ complexfoo"
18213 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18215 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18217 * tree-flow-inline.h (var_can_have_subvars):
18218 Volatile variables should not have subvariables.
18220 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18223 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18224 multiplying unsigned values.
18227 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18229 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18231 2006-02-08 Jason Merrill <jason@redhat.com>
18234 * tree.def: Elaborate on difference from MODIFY_EXPR.
18235 * doc/c-tree.texi (INIT_EXPR): Likewise.
18236 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18237 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18238 (gimplify_target_expr): Likewise.
18239 (gimplify_cond_expr): Remove target handling.
18240 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18241 (gimplify_expr): Clobber it here.
18242 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18243 Do return slot optimization if we have an INIT_EXPR.
18246 * tree-inline.c (declare_return_variable): Also clear
18247 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18250 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18252 PR middle-end/22439
18253 * gimplify.c (gimplify_one_sizepos): Fix typo.
18255 2006-02-08 Jeff Law <law@redhat.com>
18257 PR tree-optimization/21417
18258 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18259 across a backedge if the control statement at the end of the
18260 block is data dependent on other statements in the same block.
18261 (record_temporary_equivalences_from_stmts): Remove over-conservative
18262 test for threading across backedges.
18264 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18265 control statement, handle all three special cases in the same
18266 manner as they all have the same desired solution. No longer
18267 special case edge flag updating when the post dominator is
18270 2006-02-08 Roger Sayle <roger@eyesopen.com>
18272 * tree.def (CHAR_TYPE): Remove.
18273 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18274 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18275 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18276 (gen_string_type_die): Delete unreachable function.
18278 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18279 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18280 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18281 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18282 * builtins.c (type_to_class): Likewise.
18283 * fold-const.c (fold_convert, build_range_check,
18284 merge_ranges): Likewise.
18285 * expr.c (count_type_elements): Likewise.
18286 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18287 * stor-layout.c (layout_type): Likewise.
18288 * ipa-type-escape.c (type_to_consider): Likewise.
18289 * gimplify.c (omp_firstprivatize_type_sizes,
18290 gimplify_type_sizes): Likewise.
18291 * explow.c (promote_mode): Likewise.
18292 * tree-sra.c (is_sra_scalar_type): Likewise.
18293 * varasm.c (output_constant): Likewise.
18294 * tree-inline.c (remap_type_1): Likewise.
18295 * convert.c (convert_to_pointer, convert_to_real,
18296 convert_to_integer, convert_to_complex): Likewise.
18298 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18300 * df-scan.c (df_def_record_1): A set destination may
18301 be a parallel regardless of mode.
18303 2006-02-08 Roger Sayle <roger@eyesopen.com>
18306 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18307 * config/mips/_tilib.c: Remove.
18308 * config/fixtfdi.c: New libgcc source file.
18309 * config/fixunstfdi.c: New source file.
18310 * config/floatditf.c: New source file.
18311 * config/floatunditf.c: New souce file.
18312 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18313 files above instead of config/mips/_tilib.c.
18314 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18316 2006-02-08 Jeff Law <law@redhat.com>
18318 PR tree-optimization/26169
18319 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18322 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18324 * df.h (DF_REG_SIZE): Return the length of the initialized
18327 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18329 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18330 __muldf3): Return a correctly signed zero.
18332 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18334 * passes.c (register_one_dump_file): Accept the current properties
18335 instead of pass number. Adjust call to dump_register. Remove
18337 (register_dump_files): Now a wrapper around...
18338 (register_dump_files_1): ... this one. Do not modify the pass
18340 (next_pass_1): Cosmetic fix.
18341 (execute_todo): Keep second parameter only. Use curr_properties
18342 instead of fetching it from the pass structure. Check and set
18344 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18345 instead of fetching it from the pass structure. Fix calls to
18346 execute_todo. Update curr_properties and initialize .vcg RTL dump
18347 after running the pass. Reset last_verified.
18348 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18350 (FIRST_AUTO_NUMBERED_DUMP): New.
18351 (dump_register): Remove "num" parameter, assign it within the
18353 (get_dump_file_name): Modify template for dumps.
18354 * tree-dump.h (dump_register): Adjust prototype.
18355 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18356 (PROP_trees): Add PROP_gimple_lomp.
18357 (TODO_set_props): New.
18358 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18359 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18360 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18362 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18364 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18365 (sparc64-*-linux*): Likewise.
18366 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18367 * config/sparc/t-linux: New file.
18368 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18369 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18370 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18371 -m32 -mlong-double-128.
18373 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18374 * config/alpha/t-linux: New file.
18375 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18377 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18378 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18379 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18380 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18381 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18382 (CPP_ARCH32_SPEC): Remove.
18384 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18386 PR tree-optimization/26145
18387 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18390 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18393 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18394 >= 240000 when generating code for SOM runtime.
18395 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18396 to $$dyncall when generating code for SOM runtime..
18398 2006-02-07 Dirk Mueller <dmueller@suse.com>
18401 * doc/invoke.texi (-Wsequence-point): Update documentation
18402 that -Wsequence-point is implemented for C++ as well.
18404 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18406 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18407 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18408 (LIB_SPEC): Likewise.
18409 * doc/invoke.texi (SPARC options): Document -pthread.
18411 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18413 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18416 2006-02-07 Roger Sayle <roger@eyesopen.com>
18418 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18419 Correct comment describing BOOLEAN_TYPE.
18421 2006-02-07 Dirk Mueller <dmueller@suse.com>
18423 * c.opt: C++ frontend supports -Wdiv-by-zero.
18424 * c-opts.c (c_common_handle_option): Remove dead case.
18426 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18428 * configure.ac (TLS assembler check): Do not enable TLS by
18429 default on SPARC/Solaris before version 10.
18430 * configure: Regenerate.
18432 2006-02-07 David Edelsohn <edelsohn@gnu.org>
18434 * doc/invoke.texi (xl-compat): Document conversion and support
18437 2006-02-07 Jeff Law <law@redhat.com>
18439 * tree-vrp.c (find_conditional_asserts): Update comments.
18440 (simplify_stmt_for_jump_threading): New.
18441 (identify_jump_threads, finalize_jump_threads): New.
18442 (vrp_finalize): Call identify_jump_threads.
18443 (execute_vrp): Call finalize_jump_threads.
18444 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
18445 (vrp_element, vrp_data, vrp_element_p): Remove.
18446 (vrp_hash_elt, vrp_variables_stack): Remove.
18447 (vrp_hash, vrp_eq, record_range): Remove.
18448 (simplify_cond_and_lookup_avail_expr): Remove.
18449 (extract_range_from_cond): Remove.
18450 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
18451 (simplify_stmt_for_jump_threading): New.
18452 (dom_thread_across_edge): New wrapper.
18453 (tree_ssa_dominator_optimize): No longer initialize or
18454 finalize any of the VRP datastructures. Remove iteration
18455 step and simplify as a result of removal of iteration step.
18456 (pass_dominator): Perform a cfg cleanup after DOM.
18457 (dom_opt_finalize_block): Use the new common routines
18458 for threading jumps. Simplify stack management slightly.
18459 No longer need to unwind VRP state.
18460 (record_equivalences_from_incoming_edge): No longer record
18462 (eliminate_redundant_computations): No longer call
18463 simplify_cond_and_lookup_avail_expr.
18464 * tree-flow.h (potentially_threadable_block): Prototype.
18465 (thread_across_edge): Likewise.
18466 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
18467 (tree-ssa-threadedge.o): Add dependencies.
18468 * tree-ssa-threadedge.c: New file.
18469 * passes.c (init_optimization_passes): Merge PHIs before
18470 calling VRP. Run VRP again late in the SSA optimization pipeline.
18472 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18474 * df-core.c (df_set_blocks): Do not dereference function pointers.
18475 (df_finish1): Likewise.
18476 (df_hybrid_search_forward): Likewise.
18477 (df_hybrid_search_backward): Likewise.
18478 (df_iterative_dataflow): Likewise.
18479 (df_analyze_problem): Likewise.
18480 (df_compact_blocks): Likewise.
18481 (df_dump): Likewise.
18482 * df-scan.c (df_rescan_blocks): Likewise.
18483 (df_record_entry_block_defs): Likewise.
18485 * genconditions.c (write_conditions): Guard the definition of
18486 'insn_conditions' with the check on GCC version.
18487 (write_writer): Guard the traversal 'insn_conditions' with
18488 the check on GCC version.
18490 2006-02-07 Richard Guenther <rguenther@suse.de>
18494 2006-01-30 Richard Guenther <rguenther@suse.de>
18496 * gimplify.c (gimplify_target_expr): Handle easy cases
18497 without creating a temporary.
18499 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
18501 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
18502 use of float in probability computations. Use edge probabilities
18503 in place of statically computed probabilities.
18504 (min_spec_prob): New static variable.
18505 (schedule_insns): Initialize it.
18506 (GET_SRC_PROB): Removed.
18507 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
18509 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
18512 * config/ia64/unwind-ia64.c: Revert last change.
18513 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
18514 (INCOMING_FRAME_SP_OFFSET): Define.
18516 2006-02-06 Roger Sayle <roger@eyesopen.com>
18518 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
18520 2006-02-07 Ben Elliston <bje@au.ibm.com>
18522 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
18523 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
18524 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
18525 (ix86_return_in_memory): Handle TDmode.
18526 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
18527 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
18529 2006-02-06 Richard Sandiford <richard@codesourcery.com>
18531 * reorg.c (dbr_schedule): Use dump_file instead of file.
18533 2006-02-06 Steve Ellcey <sje@cup.hp.com>
18536 * config/ia64/predicates.md (extr_len_operand): New predicate.
18537 * config/ia64/ia64.md (extv): Tighten constraints.
18539 (*tbit_and_2): Ditto.
18540 (*tbit_and_3): Ditto.
18541 (*tbit_or_2): Ditto.
18542 (*tbit_or_3): Ditto.
18543 (*bit_zero): Ditto.
18546 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
18549 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
18551 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
18553 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
18554 loop_optimizer_init and loop_optimizer_finalize
18555 * tree-ssa-sink.c (execute_sink_code): Ditto.
18556 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
18557 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
18558 tree_ssa_loop_done): Ditto.
18559 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18560 * sched-ebb.c: Include output.h.
18561 (schedule_ebbs): Do not use dump argument.
18562 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18563 * loop.c (loop_dump_stream): Removed.
18564 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
18566 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
18567 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
18568 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
18569 loop_iterations, strength_reduce, record_biv, record_giv,
18570 final_giv_value, check_final_value, check_ext_dependent_givs,
18571 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
18572 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
18573 dump_file instead of loop_dump_stream.
18574 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
18575 argument dump_file.
18576 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
18578 * flow.c (life_analysis, rest_of_handle_life): Ditto.
18579 * haifa-sched.c: Include output.h
18580 (schedule_insns, sched_init): Do not use dump argument.
18581 * mode-switching.c (optimize_mode_switching): Ditto.
18582 * modulo-sched.c (stats_file): Removed.
18583 (print_node_sched_params): Do not call argument dump_file.
18584 (sms_schedule_by_order, loop_canon_p, sms_schedule,
18585 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
18587 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
18589 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
18590 rtl_loop_init, rtl_loop_done): Ditto.
18591 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
18592 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
18594 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
18595 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
18596 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
18597 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
18598 * emit-rtl.c (renumber_insns): Ditto.
18599 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
18600 expand_gimple_basic_block, tree_expand_cfg): Ditto.
18601 * regclass.c (regclass): Ditto.
18602 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
18603 remove_ssa_form, rewrite_out_of_ssa): Ditto.
18604 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
18605 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
18607 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
18608 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
18610 * gcse.c (gcse_file, debug_stderr): Removed.
18611 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
18612 rest_of_handle_gcse): Do not use dump argument.
18613 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
18614 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
18615 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
18616 compute_code_hoist_vbeinout, compute_code_hoist_data,
18617 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
18618 compute_store_table, build_store_vectors, insert_insn_start_bb,
18619 insert_store, remove_reachable_equiv_notes, replace_store_insn,
18620 store_motion): Use dump_file instead of gcse_file.
18621 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
18622 * profile.c (profile_dump_file): Removed.
18623 (branch_prob): Use dump_file instead of profile_dump_file.
18624 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
18626 * tree-ssa-copy.c (dump_copy_of): Ditto.
18627 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
18628 dump file to life_analysis.
18629 * bt-load.c (branch_target_load_optimize): Ditto.
18630 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
18632 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
18633 regclass, dbr_schedule): Declaration changed.
18634 * sched-int.h (sched_init): Declaration changed.
18635 * tree-profile.c (tree_profile_dump_file): Removed.
18636 (tree_profile_hooks): Removed profile_dump_file hook.
18637 * rtl-profile (rtl_profile_dump_file): Removed.
18638 (rtl_profile_hooks): emoved profile_dump_file hook.
18639 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
18641 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
18642 * tree-cfg.c (build_tree_cfg): Ditto.
18643 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
18644 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
18645 Declaration changed.
18646 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
18647 life_analysis and schedule_insns.
18648 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
18650 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
18652 * config/mips/mips.c (mips_reorg): Ditto.
18653 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
18656 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
18658 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18659 (s390_mangle_fundamental_type): New.
18660 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18663 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18664 (alpha_mangle_fundamental_type): New.
18665 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18668 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18670 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18672 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18673 (sparc_mangle_fundamental_type): New.
18675 2006-02-06 Jakub Jelinek <jakub@redhat.com>
18677 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
18678 (s390x-*-linux*): Likewise.
18679 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
18680 * config/s390/t-linux: New file.
18682 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18684 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
18685 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
18687 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
18689 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
18690 (ANTIC_SAFE_LOADS): New macro.
18691 (find_or_generate_expression): Add prototype.
18692 (set_contains_value): Allow null set for sake of not always having
18693 to allocate ANTIC_SAFE_LOADS.
18694 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
18695 Allow COMPONENT_REF too.
18696 (valid_in_set): Allow COMPONENT_REF.
18697 Check ANTIC_SAFE_LOADS too.
18698 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
18699 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
18701 (can_PRE_operation): Add COMPONENT_REF.
18702 (create_component_ref_by_pieces): New function.
18703 (create_expression_by_pieces): Use create_component_ref_by_pieces.
18704 (insert_aux): Move AGGREGATE_TYPE_P check here.
18705 (compute_avail): Set bb local stmt uids.
18706 (pass_pre): Use TODO_update_ssa_only_virtuals.
18708 2006-02-06 Ben Elliston <bje@au.ibm.com>
18710 * configure.ac: Unconditionally disable decimal float by default.
18711 * configure: Regenerate.
18713 2006-02-06 Ben Elliston <bje@au.ibm.com>
18715 * read-rtl.c (read_name): Terminate reading on EOF.
18717 2006-02-06 Ben Elliston <bje@au.ibm.com>
18719 * dfp.c (decimal_real_arithmetic): Change second argument type
18720 from int to enum tree_code. Do not always return true, but now
18721 return result of any call to decimal_do helper functions.
18722 * dfp.h (decimal_real_arithmetic): Update prototype.
18724 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
18726 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
18728 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
18731 * tree-cfg.c (cleanup_dead_labels): Also don't remove
18734 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18736 * tree-vrp.c (cfg_loops): Removed.
18737 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
18738 Use current_loops instead of cfg_loops. Pass flags to
18739 loop_optimizer_init.
18740 * cfgloopmanip.c (fix_loop_structure): Update only available
18742 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
18743 loop_optimizer_init.
18744 * modulo-sched.c (build_loops_structure): Removed.
18745 (sms_schedule): Use loop_optimizer_init.
18746 * loop-init.c (loop_optimizer_init): Use flags to determine
18747 which properties of loops to prepare.
18748 (rtl_loop_init): Pass flags to loop_optimizer_init.
18749 * tree-ssa-sink.c (execute_sink_code): Ditto.
18750 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
18751 * tree-ssa-pre.c (init_pre): Ditto.
18752 * cfgloop.h (LOOPS_NORMAL): New.
18753 (loop_optimizer_init): Declaration changed.
18755 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18757 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
18758 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
18760 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
18762 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
18764 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
18765 * pa/t-pa64: Delete quadlib.c rule.
18766 * pa/x-ada: Revert last change.
18767 * pa/t-pa: Revert last change. Delete quadlib.c rule.
18769 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18771 PR rtl-optimization/26087
18772 * rtlanal.c (canonicalize_condition): Do not cross basic block
18775 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
18778 * config/ia64/ia64.c: Include debug.h.
18779 (MAX_ARTIFICIAL_LABEL_BYTES): New.
18780 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
18781 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
18782 (process_epilogue, process_set, process_for_unwind_directive):
18783 Output unwind info only if requested. Add CFA info if requested.
18784 Add new arguments as needed. Adjust callers.
18785 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
18787 (DWARF2_FRAME_INFO): Define to zero.
18788 * config/ia64/unwind-ia64.c: Remove code that compensated for
18789 the CFA offset error fixed above.
18790 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
18791 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
18792 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
18793 -funwind-tables and -fexceptions to enable frame info.
18794 (dwarf2out_frame_init): Define initial CFA even if
18795 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
18796 DWARF2_UNWIND_INFO is nonzero, not just defined.
18797 (dwarf2out_frame_finish): Output non-EH call frame info only
18798 if DWARF2_FRAME_INFO is nonzero.
18799 (convert_cfa_to_loc_list,
18800 compute_frame_pointer_to_cfa_displacement): Define even if
18801 unwind info is not supported.
18802 (gen_subprogram_die): Use the above unconditionally. Remove
18803 legacy alternate code.
18804 * toplev.c (compile_file): Compile in call to
18805 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
18806 (lang_dependent_init): Ditto for dwarf2out_frame_init.
18808 2006-02-04 David Edelsohn <edelsohn@gnu.org>
18809 Jakub Jelinek <jakub@redhat.com>
18811 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
18812 IBM extended float format long double as "g" on powerpc*-linux.
18814 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18817 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
18818 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
18820 2006-02-03 Jason Merrill <jason@redhat.com>
18823 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
18825 PR middle-end/25977
18826 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
18827 on the return slot if it's an NRV.
18829 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
18831 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
18832 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
18833 rewrite_use): Do not handle USE_OUTER.
18834 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
18835 add_iv_outer_candidates, may_replace_final_value,
18836 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
18837 (find_interesting_uses_op): Functionality of
18838 find_interesting_uses_outer_or_nonlin moved here.
18839 (find_interesting_uses_outside): Use find_interesting_uses_op.
18841 2006-02-03 Alan Modra <amodra@bigpond.net.au>
18844 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
18846 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
18847 Ulrich Weigand <uweigand@de.ibm.com>
18850 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
18851 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
18852 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
18853 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
18855 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
18856 (s390_rtx_costs): Use the new fields to calculate rtx costs.
18857 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
18858 Define secondary reloads for TFmode moves.
18859 (constant_modes): Add TFmode.
18860 (NR_C_MODES): Set to 8.
18861 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
18863 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
18864 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
18865 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
18866 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
18867 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
18868 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
18869 (FPR mode macro): Add TFmode.
18870 (DSF mode macro): New.
18871 (<de>, <dee> mode attributes): Removed.
18872 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
18873 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
18874 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
18875 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
18876 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
18877 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
18878 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
18879 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
18880 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
18881 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
18882 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
18883 "*negabs<mode>2", "sqrt<mode>2"):
18884 Changed <de> to <xde>. R constraint replaced by <Rf>.
18885 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
18887 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
18888 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
18889 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
18891 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
18892 "extenddftf2", "extendsftf2"): New expanders.
18893 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
18894 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
18895 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
18896 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
18898 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
18899 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
18900 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
18901 __floatditf): Add a GCC_4.1.0 symbol version tag.
18902 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
18905 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
18908 * config/i386/i386.c (ix86_function_ok_for_sibcall):
18909 Use targetm.binds_local_p instead of TREE_PUBLIC.
18911 2006-02-02 Roger Sayle <roger@eyesopen.com>
18913 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
18914 on INTEGER_TYPEs to indicate that it denotes a character type.
18915 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
18916 signed_char_type_node, unsigned_char_type_node and char_type_node.
18917 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
18918 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
18919 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
18921 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
18922 Daniel Berlin <dberlin@dberlin.org>
18924 * tree-tailcall.c (arg_needs_copy_p): New function.
18925 (eliminate_tail_call): Use arg_needs_copy_p.
18926 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
18927 (add_virtual_phis): New function.
18929 2006-02-02 Jakub Jelinek <jakub@redhat.com>
18931 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
18932 #ignore instead of #scratch for %g7 .register directive.
18934 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
18936 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
18939 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18941 * flow.c (calculate_global_regs_live): Assert that there aren't any
18944 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
18946 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
18947 what its name says.
18948 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
18949 bsi_after_labels iterator.
18950 * tree-if-conv.c (find_phi_replacement_condition,
18951 replace_phi_with_cond_modify_expr): Likewise.
18952 * tree-scalar-evolution.c (scev_const_prop): Likewise.
18953 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
18955 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18957 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
18959 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18962 * tree-cfg.c (move_block_to_fn): Clear out the basic block
18963 array after growing it.
18965 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18967 PR middle-end/24901
18968 * fold-const.c (fold_checksum_tree): Change type of buf.
18970 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
18972 * reload.c (push_secondary_reload): Initialize t_icode.
18974 2006-02-01 Jakub Jelinek <jakub@redhat.com>
18976 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
18977 -msoft-float -mlong-double-128 only issue a warning, but don't
18978 swich to DFmode long double.
18980 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
18982 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
18983 has a constant equivalent, iterate over equivalents for arg0,
18984 calling simplify_relational_operation and if there's a result
18985 cheaper than X, apply fold_rtx and return the result.
18987 2006-02-01 Jan Hubicka <jh@suse.cz>
18989 * opts.c (no_unit_at_a_time_default): New global variable.
18990 (decode_options): Use it.
18991 * opts.h (no_unit_at_a_time_default): Declare.
18993 2006-02-01 Paul Brook <paul@codesourcery.com>
18995 * function.c (assign_parm_setup_reg): Use function argument promotion
18997 * expr.c (expand_expr_real_1): Use function argument promotion rules
19000 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19002 * gcc.c (process_command): Change j to 'unsigned int'.
19004 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19006 PR middle-end/26001
19007 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19008 Use the corrected index for the character
19009 out of the string constant.
19011 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19013 * mode-switching.c (optimize_mode_switching): Fix size
19014 allocated for bb_info[n_entities].
19016 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19018 * gcc.c (main): Correct type that is allocated for
19019 explicit_link_files.
19021 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19023 * config/s390/s390.c (init_alignment_context): Set
19024 ALIAS_SET_MEMORY_BARRIER on the MEM.
19025 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19027 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19029 PR middle-end/25933
19030 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19032 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19035 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19037 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19038 * regrename.c: Ditto.
19039 * tree-ssa-loop-im.c: Ditto.
19040 * tree-dump.c: Ditto.
19041 * tree-complex.c: Ditto.
19042 * genrecog.c: Ditto.
19043 * tree-ssa-threadupdate.c: Ditto.
19045 * java/class.c: Ditto.
19046 * java/jcf-parse.c: Ditto.
19047 * java/resource.c: Ditto.
19048 * java/except.c: Ditto.
19049 * java/jvspec.c: Ditto.
19050 * java/jcf-write.c: Ditto.
19051 * java/jcf-path.c: Ditto.
19052 * java/gjavah.c: Ditto.
19053 * java/zextract.c: Ditto.
19054 * java/jcf-io.c: Ditto.
19055 * java/jcf.h: Ditto.
19056 * java/buffer.c: Ditto.
19057 * java/lang.c: Ditto.
19058 * java/parse-scan.y: Ditto.
19059 * java/lex.c: Ditto.
19060 * java/lex.h: Ditto.
19061 * cfgloopmanip.c: Ditto.
19062 * postreload-gcse.c: Ditto.
19063 * tree-ssa-loop-manip.c: Ditto.
19064 * postreload.c: Ditto.
19065 * tree-ssa-loop-ch.c: Ditto.
19068 * cppspec.c: Ditto.
19069 * diagnostic.c: Ditto.
19071 * genoutput.c: Ditto.
19073 * cfghooks.c: Ditto.
19074 * cfgloopanal.c: Ditto.
19075 * objc/objc-act.c: Ditto.
19077 * genextract.c: Ditto.
19078 * genautomata.c: Ditto.
19079 * pretty-print.c: Ditto.
19080 * genemit.c: Ditto.
19081 * cgraphunit.c: Ditto.
19083 * df-scan.c: Ditto.
19084 * haifa-sched.c: Ditto.
19085 * dominance.c: Ditto.
19087 * tree-ssa-loop-ivopts.c: Ditto.
19088 * df-core.c: Ditto.
19089 * mode-switching.c: Ditto.
19090 * modulo-sched.c: Ditto.
19092 * ipa-pure-const.c: Ditto.
19094 * fix-header.c: Ditto.
19096 * tree-stdarg.c: Ditto.
19097 * ipa-utils.c: Ditto.
19098 * loop-init.c: Ditto.
19099 * ipa-inline.c: Ditto.
19100 * cfganal.c: Ditto.
19102 * alloc-pool.c: Ditto.
19103 * dwarf2out.c: Ditto.
19105 * genattrtab.c: Ditto.
19106 * tree-ssa-loop-ivcanon.c: Ditto.
19107 * predict.c: Ditto.
19108 * timevar.c: Ditto.
19110 * fortran/gfortranspec.c: Ditto.
19111 * regmove.c: Ditto.
19112 * local-alloc.c: Ditto.
19113 * langhooks.c: Ditto.
19114 * function.c: Ditto.
19115 * tree-vectorizer.c: Ditto.
19117 * ipa-type-escape.c: Ditto.
19119 * tree-if-conv.c: Ditto.
19120 * profile.c: Ditto.
19122 * tree-data-ref.c: Ditto.
19123 * loop-unroll.c: Ditto.
19124 * treelang/treetree.c: Ditto.
19126 * bt-load.c: Ditto.
19127 * ggc-common.c: Ditto.
19129 * coverage.c: Ditto.
19131 * tree-cfgcleanup.c: Ditto.
19132 * tree-ssa-pre.c: Ditto.
19133 * cfgcleanup.c: Ditto.
19134 * loop-invariant.c: Ditto.
19135 * loop-iv.c: Ditto.
19136 * ipa-prop.c: Ditto.
19137 * print-tree.c: Ditto.
19138 * conflict.c: Ditto.
19139 * ggc-page.c: Ditto.
19140 * sched-deps.c: Ditto.
19141 * regclass.c: Ditto.
19142 * tree-object-size.c: Ditto.
19143 * combine.c: Ditto.
19144 * bb-reorder.c: Ditto.
19145 * resource.c: Ditto.
19146 * var-tracking.c: Ditto.
19147 * cfgloop.c: Ditto.
19148 * df-problems.c: Ditto.
19149 * reg-stack.c: Ditto.
19151 * gccspec.c: Ditto.
19152 * sched-rgn.c: Ditto.
19153 * tree-ssa-structalias.c: Ditto.
19154 * tree-ssa-reassoc.c: Ditto.
19155 * config/darwin-c.c: Ditto.
19156 * config/darwin.c: Ditto.
19157 * config/arm/arm.c: Ditto.
19159 * collect2.c: Ditto.
19160 * reload1.c: Ditto.
19162 2006-01-31 Nicolas Pitre <nico@cam.org>
19164 * arm.md (smaxsi3): Make aware of smax_m1.
19167 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19169 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19171 2006-01-31 Richard Guenther <rguenther@suse.de>
19173 * doc/invoke.texi (-msselibm): Document.
19174 * target.h (expand_library_builtin): New target hook.
19175 * builtins.c (expand_builtin): Use expand_library_builtin.
19176 (default_expand_library_builtin): New function.
19177 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19178 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19179 (link_gcc_math_spec): Declare.
19180 (static_specs): Add link_gcc_math_spec.
19181 * expr.h (default_expand_library_builtin): Declare.
19182 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19183 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19184 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19185 * config/i386/i386.opt (msselibm): New target option.
19186 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19187 (ix86_init_sse_abi_builtins): New function.
19188 (ix86_expand_library_builtin): Likewise.
19189 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19190 (override_options): Handle error conditions wrt -msselibm.
19191 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19192 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19193 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19196 2006-01-31 Richard Guenther <rguenther@suse.de>
19197 Paolo Bonzini <bonzini@gnu.org>
19199 * doc/install.texi (--disable-libgcc-math): Document.
19201 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19203 * expr.h (expand_normal): new inline function.
19204 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19205 * dojump.c: use it.
19206 * dwarf2out.c: use it.
19209 * expmed.c: use it.
19210 * except.c: use it.
19211 * config/sparc/sparc.c: use it.
19212 * config/i386/i386.c: use it.
19213 * config/rs6000/rs6000.c: use it.
19214 * config/arm/arm.c: use it.
19215 * config/mips/mips.c: use it.
19216 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19218 2006-01-30 Roger Sayle <roger@eyesopen.com>
19220 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19221 argv to the appropriate type.
19223 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19225 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19228 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19231 * config/s390/s390.c (struct machine_function): New flag
19232 decomposed_literal_pool_addresses_ok_p.
19233 (s390_reorg): Set it before final stage of literal pool transforms.
19234 (s390_decompose_address): Only accept displacements of the form
19235 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19237 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19239 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19240 the comparison routine return.
19242 2006-01-30 Michael Matz <matz@suse.de>
19244 * global.c (find_reg): Only evict for global regs.
19245 Take n_refs into account and dump more info.
19247 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19250 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19251 (pragma_trap, pragma_nosave_low_regs): Likewise.
19252 (current_function_anonymous_args): Likewise.
19253 (sh_deferred_function_attributes): New variable.
19254 (sh_deferred_function_attributes_tail): Likewise.
19255 (print_operand): For '@', look up trap_exit attribute.
19256 (calc_live_regs): Look up trapa_handler attribute. For trapa
19257 handlers, save/restore fpscr, but don't do any other
19258 interrupt-specific saves.
19259 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19260 Fix check for partially saved registers to check for SHmedia.
19261 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19262 (sh_output_function_epilogue): Don't clear any of the removed
19264 (sh_insert_attributes): Don't check pragma_interrupt.
19265 Insert deferred attributes. Check that interrupt attribute is
19266 present for other attributes that require its presence.
19267 (sh_attribute_table): Add new attributes trapa_handler and
19269 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19270 Don't check for pragma_interrupt. Don't store argument.
19271 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19272 (sh_deferred_function_attributes): Declare.
19273 (sh_deferred_function_attributes_tail): Likewise.
19274 * sh.md (sp_switch_1): Add operand. Change generator caller.
19275 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19276 (*return_i): Don't use when trap_exit attribute is in effect.
19277 (*return_trapa): New insn pattern.
19278 * sh-c.c: New file.
19279 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19280 setting c_target_objs and cxx_target_objs.
19281 * t-sh: Add rule for sh-c.o.
19283 2006-01-30 Richard Guenther <rguenther@suse.de>
19286 * gimplify.c (gimplify_target_expr): Handle easy cases
19287 without creating a temporary.
19289 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19291 * vec.h (safe_grow): Remove duplicated line.
19293 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19296 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19297 (expand_omp): ... here.
19298 (expand_omp_parallel): Only remove barriers for combined
19299 parallel+workshare constructs.
19301 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19305 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19306 * tree.c (build_qualified_type): Chain the new type to the original
19307 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19308 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19309 (build_pointer_type_for_mode): Only return unqualified types.
19310 (build_reference_type_for_mode): Likewise.
19312 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19314 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19315 * Makefile.in (CXX_COMPAT_WARN): Define.
19316 * configure: Regenerate.
19318 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19321 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19324 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19326 * toplev.c: Fix thinko.
19328 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19329 Marcin Dalecki <martin@dalecki.de>
19331 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19332 (push_srcloc): Use XNEW.
19333 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19335 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19337 * df-core.c (df_set_blocks): Deleted all variable.
19339 2006-01-28 Ian Lance Taylor <ian@airs.com>
19341 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19342 cgraph_output_pending_asms.
19344 2006-01-28 Zack Weinberg <zackw@panix.com>
19346 * c.opt: Add -W(no-)overlength-strings.
19347 * doc/invoke.texi: Document it.
19348 * c-opts.c (c_common_handle_option): -pedantic implies
19349 -Woverlength-strings, if not explicitly disabled already.
19350 (c_common_post_options): -Woverlength-strings defaults to off, and
19351 is always off for C++.
19352 * c-common.c (fix_string_type): Issue warning about strings longer
19353 than is portable only if warn_overlength_strings. Rearrange code
19354 a little for clarity.
19355 * configure.in: Check for -Wno-overlength-strings as well before
19356 enabling -pedantic in stage 1.
19357 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19358 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19360 * genconditions.c (write_header, write_one_condition)
19361 (write_conditions, write_writer): Consolidate very long strings
19362 that were broken up to fit in C89 portable limit. Don't use
19363 printf when fputs will do.
19365 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19367 * combine.c (simplify_comparison <AND>): Check
19368 TRULY_NOOP_TRUNCATION before start using a subreg.
19370 * config/mips/mips.md (*branch_zero<mode>,
19371 *branch_zero<mode>_inverted, *branch_equality<mode>,
19372 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19373 Remove mode check from comparisons.
19375 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19377 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19379 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19381 * expmed.c (const_mult_add_overflow_p): Remove.
19382 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19384 * recog.c (validate_replace_rtx_subexp): Remove.
19385 * recog.h: Remove the prototype for
19386 validate_replace_rtx_subexp.
19388 * integrate.h: Remove the prototype for
19389 copy_decl_for_inlining.
19390 * rtl.h: Remove the prototype for mark_constant_function.
19391 * tree-vectorizer.h: Remove the prototype for
19392 vect_strip_conversion.
19394 * modulo-sched.c (create_partial_schedule,
19395 free_partial_schedule, reset_partial_schedule): Make them
19398 * hooks.c (hook_bool_rtx_int_false): Remove.
19399 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19401 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19403 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19404 and -mlong-double-128 are incompatible.
19405 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19406 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19407 (TARGET_LIBGCC2_CFLAGS): Define.
19408 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19409 (TARGET_LIBGCC2_CFLAGS): Same.
19410 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19412 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19415 * c-typeck.c (build_binary_op): Perform implicit casts of
19416 operands before shortening them.
19418 * cfgloopmanip.c (split_loop_bb): Remove.
19419 * cfgloop.h: Remove the prototype for split_loop_bb.
19421 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19422 * cfgloop.h: Remove the prototype for
19423 flow_loop_outside_edge_p.
19425 * emit-rtl.c (init_virtual_regs): Make it static.
19426 * function.h: Remove the prototype for init_virtual_regs.
19428 * recog.c (peephole2_optimize): Make it static.
19429 * recog.h: Remove the prototype for peephole2_optimize.
19431 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19433 * df-scan.c (df_record_entry_block_defs): Check if
19434 INCOMING_RETURN_ADDR_RTX is defined.
19436 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
19437 Kenneth Zadeck <zadeck@naturalbridge.com>
19439 PR rtl-optimization/24762
19440 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19441 * targhooks.c (hook_void_bitmap): New hook prototype.
19442 * targhoohs.h (hook_void_bitmap): Ditto.
19443 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
19444 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
19445 * target.h (live_on_entry): New function pointer.
19446 * df-scan.c (df_all_hard_regs): Removed.
19447 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
19448 (df_scan_free_internal): Added df->entry_block_defs.
19449 (df_scan_alloc): Ditto.
19450 (df_scan_dump): Ditto.
19451 (df_uses_record): Plumbed flag field properly thru calls.
19452 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
19453 This part fixes PR24762.
19454 (df_bb_refs_record): Added code to make the frame and arg
19455 pointers live in EH blocks.
19456 (df_refs_record): Added call to df_record_entry_block_defs.
19457 (df_record_entry_block_defs): New function.
19458 * df-core.c: Added comments to describe new artifical defs.
19459 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
19460 (entry_block_defs): New field in struct df.
19461 (df_all_hard_regs): Deleted.
19462 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19463 * df-problems.c (df_ru_bb_local_compute_process_def):
19464 Added code to handle artifical defs in the entry to a function.
19465 (df_ru_bb_local_compute): Ditto.
19466 (df_rd_bb_local_compute_process_def): Ditto.
19467 (df_rd_bb_local_compute): Ditto.
19468 (df_lr_bb_local_compute): Ditto.
19469 (df_ur_bb_local_compute): Ditto.
19470 (df_urec_bb_local_compute): Ditto.
19471 (df_chain_create_bb): Ditto.
19472 (df_ur_local_finalize): Removed entry.
19473 (df_urec_init): Ditto.
19474 (df_urec_local_finalize): Ditto.
19475 (df_ri_bb_compute): Added detection of last use of pseudos.
19476 * Makefile.in (df-scan.o): Updated dependencies.
19477 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
19478 * config/mips/mips.c (mips_set_live_on_entry): Added.
19479 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
19481 * dce.c (marked_insn_p): Added code to handle artifical defs.
19483 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19485 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
19487 (_mm_cvtsi128_si64): Likewise.
19488 (_mm_cvtsd_si64): Likewise.
19489 (_mm_cvttsd_si64): Likewise.
19490 (_mm_cvtsi64_sd): Likewise.
19491 (_mm_cvtsi64_si128): Likewise.
19492 * config/i386/mmintrin.h (_m_from_int64): Likewise.
19493 (_mm_cvtsi64_m64): Likewise.
19494 (_m_to_int64): Likewise.
19495 (_mm_cvtm64_si64): Likewise.
19496 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
19497 (_mm_cvttss_si64): Likewise.
19498 (_mm_cvtsi64_ss): Likewise.
19499 (_mm_cvtss_f32): Likewise.
19501 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
19503 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
19504 for pragma redefine_extname.
19506 2006-01-27 Jakub Jelinek <jakub@redhat.com>
19509 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
19510 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
19511 -mno-minimal-toc to previous content.
19512 (bispecs): Remove goal.
19513 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
19514 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
19515 compatibility aliases on powerpc-*-*gnu*.
19516 * config/rs6000/libgcc-ppc-glibc.ver: New file.
19517 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
19518 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19519 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
19520 (ldblspecs): New goal.
19521 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
19522 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
19524 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
19525 L_sf_to_tf or L_df_to_tf is defined.
19527 2006-01-27 David Edelsohn <edelsohn@gnu.org>
19528 Alan Modra <amodra@bigpond.net.au>
19531 * config/rs6000/linux.h (POWERPC_LINUX): Define.
19532 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
19533 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
19534 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
19535 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
19536 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
19537 (rs6000_override_options): Initialize rs6000_ieeequad.
19538 Initialize TFmode format to ibm_extended_format if not
19540 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
19542 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
19543 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
19544 (function_arg_advance): IBM long double passed in two FPRs, not
19546 (function_arg): IBM long double passed in FPRs.
19547 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
19548 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
19549 Only multireg GPR aligned.
19550 (rs6000_init_libfuncs): Enable IBM long double functions if not
19552 (rs6000_generate_compare): Use IBM long double compare if not
19554 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
19555 (TARGET_IEEEQUAD): Define.
19556 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
19557 not TARGET_IEEEQUAD.
19558 * config/rs6000/rs6000.md: Enable TFmode patterns if
19560 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19561 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19562 and -mlong-double-128 are incompatible.
19563 * doc/invoke.texi (-mabi): Collect options together. Add
19564 ibmlongdouble and ieeelongdouble.
19566 2006-01-27 Richard Sandiford <richard@codesourcery.com>
19568 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
19570 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
19571 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
19572 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
19573 * rtl.h (rtunion_def): Remove rt_ptr.
19575 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
19576 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
19577 * config/i386/winnt.c (i386_pe_mark_dllexport)
19578 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
19580 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
19582 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
19584 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19588 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
19589 pthread_key_delete. From John David Anglin. gthrw-ify
19590 pthread_getunique_np only if it it's not a macro. Delete
19592 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
19593 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
19594 __gthread_objc_condition_signal, __gthread_key_delete): Add
19595 "__attribute__ ((__unused__))" to unused arguments.
19596 (__gthread_recursive_mutex_init_function): Add missing return.
19597 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
19598 gthr-posix95.h: Use macro-based approach for name redirection
19599 on targets missing weakref.
19601 2006-01-26 Zack Weinberg <zackw@panix.com>
19603 * genconditions.c (write_header): In generated code, #ifdef out
19604 all includes and fake declarations, except includes of bconfig.h
19605 and system.h, unless GCC_VERSION >= 3001. Do not include
19606 gensupport.h in any case.
19607 (write_conditions): Generate a definition of struct c_test. Add
19608 a comment to the generated #endif.
19609 (write_one_condition): Escape backslashes in string too.
19610 (write_writer): Generated code must escape backslashes and quote
19611 marks (but not newlines) in the strings it writes.
19612 * Makefile.in (build/gencondmd.o): Update dependencies.
19614 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19617 * Makefile.in (insn-automata.o): Add header file dependencies.
19618 * genautomata.c: Add includes.
19620 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19623 * Makefile.in (insn-automata.o): Add -Wno-error flag.
19625 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19627 * configure.ac: Expect target tools paths to be passed from the toplevel
19628 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
19630 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
19632 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19635 * c.opt (Wpointer-sign): Init to -1.
19636 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
19637 OPT_pedantic, to 0 otherwise.
19638 * doc/invoke.texi: Update.
19640 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19642 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
19643 constants provided by 80387 instructions in the destination mode.
19645 2006-01-26 Richard Guenther <rguenther@suse.de>
19646 Andrew Pinski <pinskia@physics.uc.edu>
19649 partial PR tree-opt/17064
19650 * tree-ssa-structalias.c (intra_create_variable_infos):
19651 Create heap variables for incoming parameters if
19652 flag_argument_noalias > 1.
19653 (find_what_p_points_to): Look through default defs of
19656 2006-01-26 Jeff Law <law@redhat.com>
19659 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
19660 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
19661 within the VR_RANGE, use the VR_RANGE as the result, not the
19663 (adjust_range_with_scev): Reject ranges from SCEV which are out of
19664 bounds for the type.
19666 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
19668 * tree-ssa-alias.c (maybe_create_global_var): Change
19669 subvar walking to an assertion that we don't have subvar'd variables.
19671 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
19674 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
19675 Use a new variable, inner. PARM_DECLs are always non-weak.
19677 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
19679 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
19680 --disable-checking.
19682 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
19684 * config/mips/mips.md (*clear_upper32): New combiner pattern.
19686 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
19688 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19689 (smax_insn, smin_insn, smax_0, smin_0): New.
19691 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
19694 * config/cris/cris.c (cris_order_for_addsi3): New function.
19695 * config/cris/cris-protos.h: Prototype it.
19696 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
19697 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
19698 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
19699 (split for "op.S1 [rx=rx+i],ry (swapped)")
19700 (split for "op(s|u).S1 [rx=rx+i],ry")
19701 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
19702 Apply cris_order_for_addsi3 when generating addsi3 insns.
19704 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19706 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
19707 (TREE_BLOCK): Add call to EXPR_CHECK.
19709 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19712 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
19713 * tree-pretty-print.c (dump_omp_clause): Extract from ...
19714 (dump_omp_clauses): ... here.
19715 (dump_generic_node): Handle OMP_CLAUSE.
19716 * tree.c (omp_clause_num_ops): New.
19717 (omp_clause_code_name): New.
19718 (tree_code_size): Handle OMP_CLAUSE.
19719 (tree_size): Likewise.
19720 (make_node): Document handling of OMP_CLAUSE.
19721 (tree_node_structure): Handle OMP_CLAUSE.
19722 (omp_clause_check_failed): New.
19723 (omp_clause_range_check_failed): New.
19724 (omp_clause_operand_check_failed): New.
19725 (build_omp_clause): New.
19726 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
19727 * tree.h (enum omp_clause_code): Declare.
19728 (OMP_CLAUSE_SUBCODE_CHECK): Define.
19729 (OMP_CLAUSE_RANGE_CHECK): Define.
19730 (OMP_CLAUSE_ELT_CHECK): Define.
19731 (omp_clause_check_failed): Declare.
19732 (omp_clause_operand_check_failed): Declare.
19733 (omp_clause_range_check_failed): Declare.
19734 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
19735 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
19736 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
19737 (OMP_CLAUSE_LASTPRIVATE): Likewise.
19738 (OMP_CLAUSE_IF_EXPR): Likewise.
19739 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
19740 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
19741 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
19742 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
19743 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
19744 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
19745 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
19746 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
19747 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
19748 (OMP_CLAUSE_CODE): Define.
19749 (OMP_CLAUSE_SET_CODE): Define.
19750 (OMP_CLAUSE_CODE): Define.
19751 (OMP_CLAUSE_OPERAND): Define.
19752 (struct tree_omp_clause): Declare.
19753 (union tree_node): Add field 'omp_clause'.
19754 * treestruct.def (TS_OMP_CLAUSE): Define.
19755 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
19756 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
19757 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
19758 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
19759 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
19760 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
19761 (OMP_CLAUSE): Define.
19762 * print-tree.c (print_node): Handle OMP_CLAUSE.
19763 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
19764 * c-typeck.c: Likewise.
19765 * gimplify.c: Likewise.
19766 * c-omp.c: Likewise.
19767 * tree-nested.c: Likewise.
19768 * tree-inline.c: Likewise.
19769 * c-parser.c: Likewise.
19770 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
19773 2006-01-25 Roger Sayle <roger@eyesopen.com>
19775 PR rtl-optimization/25703
19776 * combine.c (try_combine): Handle zero_extract and strict_low_part
19777 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
19779 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
19781 * global.c: Fix comment typos.
19783 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
19786 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
19787 Use output_addr_const instead of assemble_name.
19789 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
19791 * Makefile.in (sched-vis.o): Update dependencies.
19792 * haifa-sched.c (sched_finish): Clear current_sched_info.
19793 * cfg.c (dump_bb_info): New, split from dump_flow_info.
19794 (dump_flow_info): Call it.
19795 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
19797 * basic-block.h (dump_bb_info): Declare.
19798 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
19799 option, and apply options only for dump files whose TDF_RTL,
19800 TDF_TREE, or TDF_IPA bits match.
19801 * rtl.h: Declare new functions exported from sched-vis.c.
19802 * sched-vis.c: Enable also if scheduling is not used.
19803 (print_value): Print the mode of registers if not inside scheduling.
19804 (print_insn): Make it work outside the scheduler. Beautify the output
19806 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
19808 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19810 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
19811 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
19812 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
19813 depending on the value of CONSTANT_POOL_ADDRESS_P.
19814 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
19816 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
19817 rather than SYMBOL_REF_DECL.
19818 (rtx_constant_pool): Remove const_rtx_sym_htab.
19819 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
19820 (init_varasm_status): Don't initialize const_rtx_sym_htab.
19821 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
19822 Remove handling of const_rtx_sym_htab.
19823 (find_pool_constant): Delete.
19824 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
19825 rather than find_pool_constant.
19826 (get_pool_constant_for_function): Delete.
19827 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
19828 find_pool_constant.
19829 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
19830 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
19831 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
19832 (SYMBOL_REF_CONSTANT): New macro.
19833 (get_pool_constant_for_function): Delete.
19834 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
19835 rather than SYMBOL_REF_DECL.
19836 (i386_pe_mark_dllimport): Likewise.
19837 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
19838 rather than SYMBOL_REF_DECL.
19839 * config/darwin.c (machopic_indirect_data_reference): Likewise.
19840 (machopic_indirect_call_target): Likewise.
19842 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
19844 * flow.c (delete_noop_moves): Add missing EOL to dump message.
19846 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19848 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
19850 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
19852 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
19854 2006-01-24 David Daney <ddaney@avtrex.com>
19857 * configure.ac (enable_tls): New enable option.
19858 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
19859 * configure: Regenerate.
19860 * doc/install.texi (--enable-tls): Document new option.
19861 (--disable-tls): Ditto.
19863 2006-01-24 Richard Henderson <rth@redehat.com>
19865 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
19866 * alias.c (true_dependence): Respect it.
19867 (canon_true_dependence, write_dependence_p): Likewise.
19868 * builtins.c (get_builtin_sync_mem): Set it.
19870 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
19872 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
19875 2006-01-24 DJ Delorie <dj@redhat.com>
19877 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
19878 for storing constants in single-bit bitfields.
19880 2006-01-25 Ben Elliston <bje@au.ibm.com>
19882 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
19884 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
19887 * tree-ssa-pre.c (phi_translate): Return NULL
19888 for AGGREGATE_TYPE's.
19890 2006-01-24 Zack Weinberg <zackw@panix.com>
19892 * genautomata.c (process_state_for_insn_equiv_partition):
19893 Use xcalloc for insn_arcs_array.
19894 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
19895 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
19897 2006-01-24 Richard Henderson <rth@redhat.com>
19899 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
19900 update all callers.
19902 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
19904 PR rtl-optimization/25890
19905 PR rtl-optimization/25905
19906 * combine.c (expand_compound_operation, expand_field_assignment):
19907 Fail if the bitfield's final position is out of bounds.
19909 2006-01-24 Ian Lance Taylor <ian@airs.com>
19911 PR middle-end/25930
19912 * cgraphunit.c (cgraph_output_in_order): Don't clear
19913 cgraph_asm_nodes until after asm strings have been output.
19915 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
19917 * fix-header.c (read_scan_file): Add new parameter imultilib when
19918 calling register_include_chains.
19920 2006-01-23 Diego Novillo <dnovillo@redhat.com>
19922 * omp-low.c: Update documentation.
19924 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19925 Daniel Berlin <dberlin@dberlin.org>
19929 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
19930 return from the function.
19932 2006-01-22 Zack Weinberg <zackw@panix.com>
19934 * rtl.def (match_code): Add second argument.
19935 * genpreds.c (write_extract_subexp): New function.
19936 (write_match_code): Add path argument. Use write_extract_subexp.
19937 (write_predicate_expr): Pass path to write_match_code.
19938 (mark_mode_tests): MATCH_CODE applied to a subexpression does
19939 not perform a mode test.
19940 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
19941 a subexpression does not constrain the top-level code set.
19942 * read-rtl.c (read_rtx_variadic): New function.
19943 (read_rtx_1): Use it; allow AND and IOR to be variadic.
19944 * doc/md.texi: Document new notation.
19945 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
19946 (cmpsi_operand): ... here, using new notation.
19948 2006-01-22 Zack Weinberg <zackw@panix.com>
19950 * varray.c: Remove GENERATOR_FILE #ifdefs.
19952 2006-01-22 Zack Weinberg <zackw@panix.com>
19954 * genautomata.c (output_reserved_units_table): Emit nothing if
19955 description->query_units_num is zero. Remove extra blank line.
19956 (output_cpu_unit_reservation_p): Short circuit
19957 if description->query_units_num is zero.
19959 2006-01-22 Zack Weinberg <zackw@panix.com>
19961 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
19962 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
19963 nor any of the random handful of variables that used to be necessary
19964 when this program was linked with rtlanal.o. Prune set of forward
19965 function declarations.
19966 (struct attr_desc): Remove static_p field.
19967 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
19968 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
19969 (attr_string): Do not read the character one past the length of
19971 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
19972 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
19973 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
19974 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
19975 (make_automaton_attrs): New.
19976 (main): Do not call into genautomata. Call local gen_bypass
19977 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
19978 Remove special case for insn_alts.
19979 * genautomata.c: Include gensupport.h; not genattrtab.h nor
19980 varray.h (leftover from previous change). Prune set of forward
19981 function declarations. Remove state_alts fields from all
19982 structures. Remove state_alts_table from struct automaton.
19983 Make everything except main static. Do not maintain num_dfa_decls.
19984 Do not maintain state_alts fields of various structures.
19985 (process_decls): Don't validate condexp for dm_insn_reserv decls.
19986 (add_arc): Remove state_alts argument. All callers updated.
19987 (output_reserved_units_table): Emit #ifdef here...
19988 (output_tables): ...not here. Don't generate state_alts tables.
19989 (expand_automata): Don't generate attributes.
19990 (write_automata): Don't generate state_alts functions.
19991 (main): New function.
19992 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
19993 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
19994 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
19995 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
19996 (BYPASS_P_FUNC_NAME, output_state_alts_table)
19997 (output_automata_list_state_alts_code, output_internal_state_alts_func)
19998 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
19999 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20001 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20002 * genattrtab.h: Delete file.
20003 * Makefile.in (OBJS-common): Add insn-automata.o.
20004 (insn-automata.o): New rule.
20005 (simple_generated_c): Add insn-automata.c.
20006 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20007 (genprogmd): Add automata.
20008 (build/genattrtab): Needs no extra objects nor libraries.
20009 (build/genautomata): Needs build/vec.o and -lm.
20011 2006-01-22 Zack Weinberg <zackw@panix.com>
20013 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20014 (output_dfa_max_issue_rate, locked_states_num): Delete.
20015 (struct automaton): Add locked_states field.
20016 (output_dead_lock_vect): Save number of locked states in
20017 automaton->locked_states. If it is zero, don't print anything.
20018 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20019 (output_internal_dead_lock_func): Only test the dead_lock_vect
20020 for automata that have locked states.
20021 (output_statistics): Always print the number of locked states for
20022 each automaton. Calculate total number of locked states here.
20023 (write_automata): Don't call output_dfa_max_issue_rate.
20024 * genattrtab.c: Define length_unit_log as a const variable.
20025 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20026 max_insn_queue_index const.
20027 * final.c (length_unit_log): Declare const.
20028 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20030 2006-01-22 Zack Weinberg <zackw@panix.com>
20032 * genautomata.c: Include vec.h, not varray.h.
20033 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20034 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20035 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20036 VEC_* macros operating on appropriately typed vectors, or to
20037 malloced arrays when the size is known in advance. Const-ify
20038 many char* variables and function arguments. No functional changes.
20039 * Makefile.in (build/varray.o): Delete rule.
20040 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20041 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20043 2006-01-22 Zack Weinberg <zackw@panix.com>
20045 * gensupport.c: Define get_insn_name and record_insn_name here.
20046 (read_md_rtx): Call record_insn_name as appropriate.
20047 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20048 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20049 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20051 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20052 (BUILD_VARRAY): Delete.
20053 (genprognormal): Rename genprogmd. Fold in all programs from
20054 genprognoprint; also attrtab.
20055 (build/genattrtab): Just mention genautomata.o and varray.o.
20056 Reorganize a bit, add comments to make the categories clearer.
20058 2006-01-22 Zack Weinberg <zackw@panix.com>
20060 * genconditions.c (condition_table, add_condition): Delete.
20061 (write_conditions): Don't emit n_insn_conditions nor
20062 insn_elision_unavailable. Issue the gcc version #ifdef here,
20063 inside the table, with no #else clause ...
20064 (write_header): ...not here.
20065 (write_writer): New function.
20066 (main): Don't initialize condition_table. Use add_c_test.
20068 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20069 files on the command line.
20070 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20071 Return -1 if there is no entry in the table, don't abort.
20072 (add_c_test, traverse_c_tests): New functions.
20073 * gensupport.h (insn_elision_unavailable, insn_conditions)
20074 (n_insn_conditions): Delete declarations.
20075 (add_c_test, traverse_c_tests): Declare.
20076 * read-rtl.c: Include gensupport.h.
20077 (read_conditions): New function.
20078 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20079 (read_rtx_1): If we get EOF when we were looking for an initial
20080 open paren, return 0. Call read_conditions when appropriate.
20081 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20082 dummy-conditions.o. Eliminate references to insn-conditions.o,
20083 or change them to build/gencondmd.o, as appropriate. Remove
20084 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20085 from $(simple_generated_c). For all files remaining in those
20086 two lists, add insn-conditions.md to the generator command line.
20087 Give insn-constants.h/s-constants their own rules. Add rules
20088 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20089 (build/read-rtl.o): Depend on gensupport.h.
20090 (genprognormal): Include preds.
20091 (genprogearly): Rename genprognoprint; only difference is now that
20092 they don't link with $(BUILD_PRINT).
20093 * dummy-conditions.c: Delete.
20095 2006-01-22 Zack Weinberg <zackw@panix.com>
20097 * genextract.c: Don't include insn-config.h. Do include vec.h.
20098 Declare vectors of int, char, and locstr.
20099 (locstr): New typedef.
20100 (struct extraction): Make all array fields into bare pointers.
20101 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20102 (insn_code_number): Delete.
20103 (accum_extract): New struct.
20104 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20105 (gen_insn): Take insn_code_number as an argument. Use an
20106 accum_extract structure instead of loading data directly into
20107 a struct extraction, and having to know how big it might get.
20108 (walk_rtx): Operate entirely on an accum_extract structure.
20109 (print_path): Avoid unnecessary use of printf.
20110 (print_header): New function, split out of main. Distinguish
20111 more carefully between an unrecognizable insn and an insn that
20112 has the code number of a define_expand.
20113 (main): Pass insn_code_number to gen_insn. Call print_header
20114 only after parsing. Avoid unnecessary use of printf.
20115 * Makefile.in (build/vec.o): New rule.
20116 (build/genextract): Depend on build/vec.o.
20117 (build/genextract.o): Don't depend on insn-config.h.
20119 2006-01-22 Zack Weinberg <zackw@panix.com>
20121 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20122 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20123 practical. Eliminate per-generator-program link rules.
20125 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20127 PR middle-end/24437
20128 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20129 with a call expr to ...
20130 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20132 2006-01-23 Richard Guenther <rguenther@suse.de>
20134 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20135 before make_edge with conditional EDGE_TRUE_VALUE.
20137 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20138 Jan Hubicka <jh@suse.cz>
20139 Richard Guenther <rguenther@suse.de>
20141 PR rtl-optimization/25654
20142 * cfgexpand.c (aggregate_contains_union_type): New function.
20143 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20144 for structure variables that contain a union type.
20146 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20148 * gengtype.c (new_structure): Return the structure.
20149 (create_option): Add an extra "next" argument.
20150 (create_field): New function.
20151 (adjust_field_rtx_def): Use create_option and create_field.
20152 Remove a now-unnecessary call to find_structure.
20153 (adjust_field_tree_def): Likewise.
20154 (note_yacc_type): Remove an unnecessary call to find_structure.
20155 * gengtype.h (new_structure): Return the structure.
20156 (create_option): Add an extra argument.
20157 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20158 (option): Adjust calls to create_option.
20160 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20162 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20164 2006-01-22 Paul Brook <paul@codesourcery.com>
20165 Peter Barada <peter@the-baradas.com>
20167 * config/m68k/m68k.md: Add Coldfire FPU support.
20168 Define FP mode macro and associated attributes.
20169 Use it for float mode patterns.
20170 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20171 (LIBCALL_VALUE): Use m68k_libcall_value.
20172 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20173 (m68k_function_value): Ditto.
20174 (emit_move_sequence): Ditto.
20175 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20176 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20177 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20178 (MULTILIB_EXCEPTIONS): Ditto.
20179 * config/m68k/m68k.opt: Add mcfv4e.
20180 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20181 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20182 (m68k_output_function_prologue): Save ColdFire FPU registers.
20183 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20184 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20185 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20186 ColdFire FPU registers.
20187 (m68k_libcall_value, m68k_function_value): New functions.
20188 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20189 (LIBCALL_VALUE): Use m68k_libcall_value.
20190 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20191 (MASK_COLDFIRE): Add MASK_CFV4E.
20192 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20193 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20194 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20195 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20196 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20197 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20198 * doc/invoke.tex: Document -mcfv4e on m68k.
20200 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20202 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20205 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20208 * c-opts.c (c_common_handle_option): Don't include
20209 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20210 * doc/invoke.texi (C++ Dialect Options): Document that
20211 -Wnon-virtual-dtor is no longer included in -Wall.
20213 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20215 * gcov.c (print_version), gcov-dump.c (print_version),
20216 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20219 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20221 * df-scan.c (problem_SCAN): Added NULL reset function.
20222 (df_scan_reset_blocks): Added code to call reset block function
20223 (df_bb_refs_delete) Fixed comment.
20224 (df_insn_refs_delete): Made tolerant of deleting non existent info
20225 for dataflow problems that need to be reset.
20226 * df-core.c (df_set_blocks): Ditto.
20227 * df.h (struct df_problem): Added reset_fun.
20228 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20229 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20230 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20231 functions to clear out all references to def-use or use-def chains.
20233 2006-01-21 Ben Elliston <bje@au.ibm.com>
20235 * varasm.c (assemble_real): Initialise data array.
20237 2006-01-20 Paul Brook <paul@codesourcery.com>
20239 Merge from csl-arm-branch.
20240 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20241 * config/arm/arm.md (movdi): Force operands[1] to a register
20242 if we have a non-register source.
20243 (*arm_movdi, *movdf_soft_insn): Require that one of the
20244 operands be a register.
20245 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20246 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20248 2006-01-20 DJ Delorie <dj@redhat.com>
20250 * varasm.c (initializer_constant_valid_p): Allow pointers
20251 initialized from integer constants of lesser precision.
20252 (output_constant): Allow non-int-sized pointer modes to be
20253 initialized from integer constants.
20255 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20258 * cppdefault.h (struct default_include): Add multilib flag.
20259 * cppdefault.c (cpp_include_defaults): Set it.
20260 * c.opt (-imultilib): New option.
20261 * c-opts.c (imultilib): New.
20262 (c_common_handle_option): Handle -imultilib.
20263 (c_common_post_options): Likewise.
20264 * c-incpath.c (add_standard_paths, register_include_chains):
20266 * c-incpath.h (register_include_chains): Add extra parameter.
20267 * gcc.c (do_spec_1): Generate -imultilib option.
20268 (The Specs Language): Update %I description.
20269 (process_command): Update copyright notice.
20270 * doc/cppopts.texi (-imultilib): Document.
20271 * doc/invoke.texi (-imultilib): Include in option summary.
20272 (%I): Update specs documentation.
20274 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20276 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20278 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20280 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20283 2006-01-20 Richard Guenther <rguenther@suse.de>
20284 Steven Bosscher <stevenb.gcc@gmail.com>
20286 PR rtl-optimization/24626
20287 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20288 EDGE_TRUE_VALUE if in RTL mode.
20291 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20292 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20294 2006-01-20 Dirk Mueller <dmueller@suse.com>
20297 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20298 instead of a special NOP marker.
20299 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20300 NOP marker handling.
20301 * c-common.h (empty_body_warning): Add forward declaration.
20302 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20303 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20305 2006-01-20 Paul Brook <paul@codesourcery.com>
20307 * Makefile.in (lang_checks): Keep going if mkdir fails.
20309 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20311 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20312 be able to clean out basic block when not necessary.
20313 (df_scan_free): Fixed to properly delete information if df is
20314 unused before calling df_finish.
20315 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20316 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20318 (df_bb_refs_delete): New function.
20319 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20320 * df-core.c (df_set_blocks): Added code to properly clean out
20321 unused blocks if they are not part of the blocks to consider.
20322 Added additional null check.
20323 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20324 be able to clean out basic block when not necessary
20325 * df.h (df_free_bb_function): Ditto.
20326 (df_bb_refs_delete): New function.
20327 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20328 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20329 basic block parameter to be able to clean out basic block when not
20331 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20332 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20333 Fixed to properly delete information if df is unused before
20336 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20338 PR rtl-optimization/25799
20339 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20340 Corrected confluence operator to remove bits from op2 before oring
20341 with op1 rather than removing bits from op1.
20342 (df_ru_transfer_function): Corrected test on wrong bitmap which
20343 caused infinite loop. Both of these problems were introduced in
20344 the dataflow rewrite.
20346 2006-01-19 DJ Delorie <dj@redhat.com>
20348 * reload1.c (find_reload_regs): Note the details of reload
20349 failures in the dump file.
20350 (spill_failure): Likewise.
20352 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20354 * loop-iv.c: Include df.h and hashtab.h.
20355 (enum iv_grd_result): New enum.
20356 (DF_REF_IV, DF_REF_IV_SET): New macros.
20357 (struct biv_entry): New.
20358 (df, bivs): New global variables.
20359 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20360 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20362 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20363 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20364 analyzed_for_bivness_p, record_biv): New functions.
20365 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20366 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20367 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20369 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20371 (iv_number_of_iterations): Use new interface to iv analysis.
20372 * loop-unroll.c: Do not include varray.h.
20373 (analyze_iv_to_split_insn): Use new interface to iv
20375 * loop-unswitch.c (may_unswitch_on): Ditto.
20376 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20378 (df_bb_modify): Realloc tables to the new index.
20379 (df_find_use): New function.
20380 * df.h (df_find_use): Declare.
20381 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20383 * cfgloop.h (struct rtx_iv): Remove analysed field.
20384 (iv_get_reaching_def): Removed.
20385 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20386 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20387 (loop-iv.o): Add df.h and hashtab.h dependency.
20388 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20390 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20393 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20395 (__floatundisf, __floatundidf): Likewise.
20396 * libgcc2.h (IS_IBM_EXTENDED): Define.
20398 2006-01-19 DJ Delorie <dj@redhat.com>
20400 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20402 2006-01-19 Paul Brook <paul@codesourcery.com>
20404 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20405 as nothrow when unwinding tables are disabled.
20407 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20410 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20411 of bit-field" when in system header.
20413 2006-01-19 DJ Delorie <dj@redhat.com>
20415 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20416 the 16 bit shift limit of the m16c.
20418 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20421 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20422 * config/i386/i386.c (output_set_got): Output the label if we have one
20423 for the TARGET_DEEP_BRANCH_PREDICTION case.
20425 2006-01-19 Jan Hubicka <jh@suse.cz>
20426 H.J. Lu <hongjiu.lu@intel.com>
20427 Evandro Menezes <evandro.menezes@amd.com>
20429 * invoke.texi (generic): Document
20431 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
20432 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
20433 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
20434 (x86_use_incdec, x86_pad_returns): New variables
20435 (TARGET_CPU_DEFAULT_generic): New constant
20436 (TARGET_CPU_DEFAULT_NAMES): Add generic.
20437 (enum processor_type): Add generic32 and generic64.
20438 * i386.md (cpu attribute): Add generic32/generic64
20439 (movhi splitter): Behave sanely when both partial_reg_dependency and
20440 partial_reg_stall are set.
20441 (K8 splitters): Enable for generic as well.
20442 * predicates.md (incdec_operand): Use TARGET_INCDEC
20443 (aligned_operand): Avoid memory mismatch stalls.
20444 * athlon.md: Enable for generic64, new patterns for 128bit moves.
20445 * ppro.md: Enable for generic32
20446 * i386.c (generic64_cost, generic32_cost): New.
20447 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
20448 (x86_use_leave): Enable for generic64. (x86_use_sahf,
20449 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
20450 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
20451 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
20452 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
20453 x86_partial_reg_dependency, x86_memory_mismatch_stall,
20454 x86_accumulate_outgoing_args, x86_prologue_using_move,
20455 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
20456 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
20457 Enable for generic.
20458 (x86_use_incdec, x86_pad_returns): New.
20459 (override_options): Add generic32 and generic64, translate "generic"
20460 to generic32/generic64 and "i686" to "generic32", refuse
20461 "generic32"/"generic64" as arch target.
20462 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
20463 (ix86_reorg): Honor PAD_RETURNS.
20465 2006-01-19 Diego Novillo <dnovillo@redhat.com>
20467 * tree-pretty-print.c (dump_generic_node): Handle
20468 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
20469 * cgraph.c (cgraph_expand_queue): Rename from
20470 cgraph_analyze_queue. Update all users.
20471 * cgraphunit.c (cgraph_assemble_pending_functions): Process
20472 cgraph_expand_queue.
20473 (cgraph_expand_all_functions): Likewise.
20474 (cgraph_finalize_pending_functions): Remove. Update callers.
20476 * tree.h (OMP_DIRECTIVE_P): Define.
20477 (OMP_PARALLEL_FN): Define.
20478 (OMP_PARALLEL_DATA_ARG): Define.
20479 (OMP_SECTIONS_SECTIONS): Define.
20480 * tree-pass.h (pass_expand_omp): Declare.
20481 * omp-low.c (struct omp_region): Declare.
20482 (struct omp_context): Remove fields 'parallel_type',
20483 'parallel_start_ix' and 'parallel_start_additional_args'.
20485 (struct omp_for_data): Rename from struct expand_omp_for_data.
20486 (omp_regions): New static variable.
20487 (root_omp_region): New static variable.
20488 (find_omp_clause): Make static.
20489 (is_in_combined_parallel_ctx): Remove.
20490 (is_combined_parallel): New.
20491 (extract_omp_for_data): Move earlier in the file.
20492 (workshare_safe_to_combine_p): New.
20493 (get_ws_args_for): New.
20494 (determine_parallel_type): Move earlier in the file.
20495 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
20497 (omp_copy_decl): Likewise.
20498 (create_omp_child_function): Likewise.
20499 (lookup_omp_region): New.
20500 (dump_omp_region): New.
20501 (debug_omp_region): New.
20502 (debug_all_omp_regions): New.
20503 (new_omp_region): New.
20504 (scan_omp_parallel): If parallel_nesting_level > 1, the
20505 directive is nested within another parallel directive.
20506 Set OMP_PARALLEL_FN.
20507 (scan_omp_for): Do not try to handle combined parallel+for
20509 Remove FIXME comment.
20510 (scan_omp_nested): Remove.
20511 (scan_omp_1): Do not call scan_omp_nested when
20512 parallel_nesting_level is > 1.
20513 Do not change the DECL_CONTEXT of local variables found.
20514 (lookup_decl_in_outer_ctx): New.
20515 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
20516 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
20517 (lower_reduction_clauses): Rename from expand_reduction_clauses.
20518 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
20519 If CTX is nested, lookup VAR in the outer context when
20520 building copy assignment.
20521 (lower_send_clauses): Rename from expand_send_clauses.
20522 If CTX is nested, lookup VAR in the outer context when
20523 building copy assignments.
20524 (lower_send_shared_vars): Rename from expand_send_shared_vars.
20525 If CTX is nested, lookup VAR in the outer context when
20526 building copy assignments.
20527 (expand_parallel_call): Rename from build_parallel_call.
20528 Handle combined parallel+workshare cases.
20529 Re-implement to emit code into the CFG.
20531 (expand_omp_parallel): Re-implement to emit code into the CFG.
20532 Call move_sese_region_to_fn to outline the sub-graph
20533 containing the parallel region.
20534 (expand_omp_for_1): Remove.
20535 (expand_omp_for_generic): Re-implement to emit code into the
20537 (expand_omp_for_static_nochunk): Likewise.
20538 (expand_omp_for_static_chunk): Likewise.
20539 (expand_omp_for): Likewise.
20540 (expand_omp_sections): Likewise.
20541 (remove_exit_barriers): New.
20542 (expand_omp_synch): New.
20544 (build_omp_regions_1): New.
20545 (build_omp_regions): New.
20546 (execute_expand_omp): New.
20547 (gate_expand_omp): New.
20548 (pass_expand_omp): Define.
20549 (lower_omp_sections): Rename from expand_omp_sections.
20550 Set OMP_SECTIONS_SECTIONS.
20551 (lower_omp_single_simple): Rename from expand_omp_single_simple.
20552 (lower_omp_single_copy): Rename from expand_omp_single_copy.
20553 (lower_omp_single): Rename from expand_omp_simple.
20554 (lower_omp_master): Rename from expand_omp_master.
20555 (lower_omp_ordered): Rename from expand_omp_ordered.
20556 (lower_omp_critical): Rename from expand_omp_critical.
20557 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
20558 (lower_omp_for): Re-implement.
20559 (lower_omp_parallel): Re-implement.
20560 (lower_regimplify): Rename from expand_regimplify.
20561 (lower_omp_1): Rename from expand_omp_1.
20562 If there are syntax errors in the program, replace every
20563 OpenMP directive with NOP.
20564 Call lower_omp_* instead of expand_omp_*.
20565 (lower_omp): Rename from expand_omp.
20567 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
20568 * tree-gimple.h (enum omp_parallel_type): Remove.
20569 (gimple_boolify): Declare extern.
20570 (find_omp_clause, determine_parallel_type): Remove.
20572 * gimple-low.c (lower_omp_directive): New.
20573 (lower_stmt): Call it.
20574 (record_vars_into): Move from ...
20575 (record_vars): ... here.
20576 Call record_vars_into with current_function_decl.
20578 * gimplify.c (struct gimplify_ctx): Remove fields
20579 combined_pre_p and combined_ctxp. Update users.
20580 (get_formal_tmp_var): Add documentation.
20581 (gimple_boolify): Make extern.
20582 (gimplify_expr_in_ctx): Remove. Update callers.
20583 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
20584 will always be a BIND_EXPR.
20585 (gimplify_expr): Handle OMP_RETURN_EXPR.
20586 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
20587 (OMP_PARALLEL): Add 3 operands.
20588 (OMP_SECTIONS): Add 1 operand.
20589 (OMP_RETURN_EXPR): Define.
20591 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
20592 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
20593 * tree-iterator.c (alloc_stmt_list): Assert that we are not
20594 creating a circular free list.
20595 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
20597 * tree-flow.h (move_sese_region_to_fn): Declare.
20598 (record_vars_into): Declare.
20599 * tree-cfg.c (make_omp_sections_edges): New.
20600 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
20601 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
20602 OMP_SECTIONS and OMP_SECTION.
20603 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
20604 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
20605 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
20606 (gather_blocks_in_sese_region): New.
20607 (struct move_stmt_d): Declare.
20608 (move_stmt_r): New.
20609 (move_block_to_fn): New.
20610 (move_sese_region_to_fn): New.
20612 * passes.c (init_optimization_passes): Schedule
20613 pass_expand_omp after pass_init_datastructures.
20615 * tree-ssa-operands.c (get_expr_operands): Handle
20616 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
20617 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
20619 2006-01-19 Jeff Law <law@redhat.com>
20621 * tree-vrp.c (extract_range_from_assert): Refine the result range
20622 if the variable referenced by the ASSERT_EXPR has a range and
20623 either the tentative result range or the previous range is a
20626 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20628 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
20630 2006-01-19 Jan Hubicka <jh@suse.cz>
20632 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
20634 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
20636 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
20637 (expand_compound_operation, expand_field_assignment): Fail if the
20638 bit lengths of an extract operation are out of range.
20639 (make_extraction): Compute wanted_inner_mode based on the position
20640 and length of the extraction. Make it extraction_mode for non-constant
20641 positions, and do not modify offset in that case. When generating a
20642 new MEM, use a mode that can hold the extraction while keeping correct
20643 alignment. Remove code that supported MEMs wrapped by USEs.
20644 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
20646 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
20648 * config/s390/s390.md ("Y", "y"): New mode attribute.
20649 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
20650 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
20651 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
20652 "*addsi3_imm_cc", "*addsi3_carry1_cc",
20653 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
20654 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
20655 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
20656 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
20657 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
20658 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
20659 "addsi3", "subsi3"): Insn patterns removed.
20660 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
20661 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
20662 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
20663 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
20664 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
20665 "*sub<mode>3_cconly2"): New insn patterns.
20666 ("addsi3", "subsi3"): New expanders.
20668 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
20670 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
20671 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
20672 existing STMT_VINFO_VECTYPE if available.
20673 (vect_mark_relevant): Add special handling for stmts that are
20674 marked as STMT_VINFO_IN_PATTERN_P.
20675 (vect_analyze_loop): Call vect_pattern_recog.
20676 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
20677 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
20679 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
20680 (vect_recog_func_ptr): New function-pointer type.
20681 * tree-vect-patterns.c: New file.
20682 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
20683 (vect_recog_dot_prod_pattern, vect_pattern_recog):
20684 (vect_pattern_recog_1): New functions.
20685 (vect_pattern_recog_funcs): New array of function pointers.
20687 * tree-vectorizer.h (ternary_op): New enum value.
20688 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
20689 declaration. Revised documentation. Removed redundant dump prints.
20690 Removed redundant argument. Added support for reduction patterns.
20691 (vectorizable_reduction): Added support for reduction patterns.
20692 (vect_transform_stmt): Added support for patterns.
20694 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
20695 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
20696 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
20697 (expand_widen_pattern_expr): New function.
20698 (init_optabs): Initialize new optabs udot_prod_optab,
20700 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
20701 (sdot_prod_optab, udot_prod_optab): Define new optabs.
20702 (expand_widen_pattern_expr): New function declaration.
20703 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
20705 * tree-inline.c (estimate_num_insns_1): Added cases for new
20706 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20707 * tree-pretty-print.c (dump_generic_node): Likewise.
20708 (op_prio): Likewise.
20709 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20710 * tree-ssa-operands.c (get_expr_operands): Added case for
20712 * tree-vect-patterns.c (widened_name_p): New function.
20713 (vect_recog_dot_prod_pattern): Added function implementation.
20714 * tree-vect-transform.c (get_initial_def_for_reduction): Added
20715 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
20716 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
20717 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
20719 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
20720 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
20721 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
20722 (init_optabs): Initialize new optabs widen_ssum_optab,
20724 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
20725 (widen_ssum_optab, widen_usum_optab): Define new optabs.
20726 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
20727 use instead of type of def.
20728 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
20729 function implementation.
20730 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
20731 widen_ssumv8hi): New.
20733 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
20736 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20739 * c-decl.c (add_flexible_array_elts_to_size): New function.
20740 (finish_decl): Use it.
20742 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
20744 * diagnostic.h: Include options.h.
20745 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
20746 dependancies for diagnostic.h.
20747 * Makefile.in (DIAGNOSTIC_H): Add options.h.
20749 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
20751 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
20752 (ssa_ro_call_cache_valid): Ditto.
20753 * tree-ssa-alias.c (sort_tags_by_id): New function.
20754 (init_transitive_clobber_worklist): Ditto.
20755 (add_to_worklist): Ditto.
20756 (mark_aliases_call_clobbered): Ditto.
20757 (compute_tag_properties): Ditto.
20758 (set_initial_properties): Ditto.
20759 (compute_call_clobbered): Ditto.
20760 (compute_may_aliases): Call compute_call_clobbered and grouping.
20761 (compute_flow_sensitive_aliasing): Remove clobbering related code.
20762 (compute_flow_insensitive_aliasing): Grouping now happens in our
20764 (setup_pointers_and_addressables): Remove clobbering related code.
20765 (add_may_alias): Ditto.
20766 (replace_may_alias): Ditto.
20767 (get_nmt_for): Ditto.
20768 (create_global_var):
20769 (is_escape_site): Return an escape_type enumeration.
20770 * tree-flow-inline.h (is_call_clobbered): Global var does not
20771 imply call clobbered.
20772 (mark_call_clobbered): Take a reason for marking this. Remove
20773 marking of globalness, and cache invalidation.
20774 (clear_call_clobbered): Remove cache invalidation code.
20775 * tree-dfa.c (dump_variable): If details is on, dump the reason
20777 * tree-outof-ssa.c (create_temp): Copy escape mask from original
20779 * tree-flow.h (struct ptr_info_def): Add escape mask member.
20780 (struct var_ann_d): Ditto.
20781 (enum escape_type): New.
20782 (mark_call_clobbered): Adjust prototype.
20783 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
20784 are never call clobbered.
20785 Record reasons for escaping.
20786 * tree-ssa-structalias.h (is_escape_site): Update prototype.
20787 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
20788 (ssa_ro_call_cache_valid): Ditto.
20789 (clobbered_v_may_defs): Ditto.
20790 (clobbered_vuses): Ditto.
20791 (ro_call_vuses): Ditto.
20792 (clobber_stats): New.
20793 (init_ssa_operands): Zero out clobber stats.
20794 (fini_ssa_operands): Print out clobber stats.
20795 (get_call_expr_operands): Pass callee fndecl to
20796 add_call_read_ops).
20797 (add_call_clobber_ops): Remove use of cache.
20798 Add use of PURE_CONST information.
20799 (add_call_read_ops): Remove use of cache.
20800 Add use of static not_read information.
20802 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
20804 Introduce TLS descriptors for i386 and x86_64.
20805 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
20806 (TARGET_ANY_GNU_TLS): New macro.
20807 (enum tls_dialect): Added TLS_DIALECT_GNU2.
20808 (struct machine_function): Add tls_descriptor_call_expanded_p.
20809 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
20810 (ix86_current_function_calls_tls_descriptor): Likewise.
20811 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
20812 (override_options): Introduce gnu2 tls dialect.
20813 (ix86_frame_pointer_required): Functions containing TLSCALLs are
20815 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
20817 (legitimize_tls_address): Adjust logic for GNU2 TLS.
20818 (ix86_init_machine_status): Initialize new field.
20819 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
20820 (ix86_tls_module_base): New.
20821 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
20822 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
20823 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
20824 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
20825 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
20826 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
20827 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
20828 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
20829 * config/i386/predicates.md (tls_modbase_operand): New.
20830 (tp_or_register_operand): New.
20832 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
20834 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
20835 (look_for_address_of): Ditto.
20836 (ipa_init): Walk the function decls.
20837 (static_execute): Don't set readonly on FUNCTION_DECL's.
20839 2006-01-18 Roger Sayle <roger@eyesopen.com>
20841 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
20842 for shifts where the source and destination registers are different.
20844 2006-01-18 Paul Brook <paul@codesourcery.com>
20846 Merge from csl-arm-branch.
20847 2005-03-14 Julian Brown <julian@codesourcery.com>
20848 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
20849 (aeabi_llsl): Likewise.
20850 (ashrdi3): Likewise.
20851 (aeabi_lasr): Likewise.
20852 (lshrdi3): Likewise.
20853 (aeabi_llsr): Likewise.
20854 2005-03-10 Julian Brown <julian@codesourcery.com>
20855 * config.gcc: Disable shared libgcc for SymbianOS.
20856 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
20858 2006-01-18 DJ Delorie <dj@redhat.com>
20860 * c-pragma.c (handle_pragma_diagnostic): New.
20861 (init_pragma): Register it.
20862 * doc/extend.texi: Document it.
20864 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
20865 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
20866 (diagnostic_context): Add classify_diagnostic[].
20867 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
20868 as errors if they're overridden to DK_WARNING.
20869 (diagnostic_initialize): Initialize classify_diagnostic[].
20870 (diagnostic_set_kind_override): New.
20871 (diagnostic_report_diagnostic): Check for kind changes.
20872 * opts.c (common_handle_option): Take lang_mask. Update callers.
20873 Handle OPT_Werror_.
20874 * common.opt (Werror=): New.
20875 * doc/invoke.texi: Document -Werror=*
20877 2006-01-18 Jeff Law <law@redhat.com>
20879 * tree-vrp.c (test_for_singularity): Correct test for new
20880 min limit. Use operand_equal_p rather than pointer equality
20881 for testing if new min/max values are equal.
20883 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
20884 using range information until after propagation and folding.
20886 2006-01-18 Richard Henderson <rth@redhat.com>
20887 Aldy Hernandez <aldyh@redhat.com>
20888 Jakub Jelinek <jakub@redhat.com>
20889 Diego Novillo <dnovillo@redhat.com>
20891 * omp-low.c: New file.
20892 * c-omp.c: New file.
20894 2006-01-18 Richard Henderson <rth@redhat.com>
20895 Jakub Jelinek <jakub@redhat.com>
20896 Diego Novillo <dnovillo@redhat.com>
20898 * doc/invoke.texi: Document -fopenmp.
20899 * tree-dump.h (debug_function): Declare.
20900 * hooks.c (hook_bool_tree_bool_false): New function.
20901 (hook_tree_tree_null): Remove.
20902 (hook_tree_tree_tree_null): New.
20903 * hooks.h: Update to match.
20904 * tree-pretty-print.c (debug_tree_chain): New.
20905 (print_generic_expr): Handle TDF_CHAIN.
20906 (dump_generic_node): Handle BLOCK.
20907 Do not abort with incomplete SWITCH_EXPRs.
20908 Do not dump body of an OpenMP directive if TDF_SLIM is given.
20909 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
20910 print space after directive name.
20911 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
20912 Handle OMP_MASTER and OMP_ORDERED.
20913 Handle printing of OMP_BODY just in one place, goto
20914 dump_omp_body in the rest of OMP_* nodes that have
20916 Don't handle clause nodes here. Update omp statements to
20917 use dump_omp_clauses.
20918 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
20919 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
20920 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
20921 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
20922 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
20923 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
20924 Adjust output for GOMP_PARALLEL.
20925 (dump_omp_clauses): New.
20926 (print_declaration): Dump DECL_VALUE_EXPR.
20927 (op_symbol_1): Split out of op_symbol.
20928 (dumping_stmts): Remove. Update all users.
20929 * cgraph.c (cgraph_analyze_queue): New.
20930 (cgraph_add_new_function): New.
20931 * cgraph.h (cgraph_analyze_queue): Declare.
20932 (cgraph_add_new_function): Declare.
20933 (cgraph_lower_function): Remove.
20934 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
20935 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
20936 and TYPE_P nodes in its default clause.
20937 (empty_body_p): New.
20938 (tree_range_check_failed): New.
20939 (build5_stat): New.
20940 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
20941 OMP_CLAUSE_REDUCTION_MERGE,
20942 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
20943 OMP_CLAUSE_PRIVATE_DEBUG,
20944 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
20945 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
20946 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
20947 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
20948 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
20949 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
20950 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
20951 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
20952 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
20953 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
20954 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
20955 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
20956 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
20957 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
20958 (TREE_RANGE_CHECK): New.
20959 (empty_body_p): Declare.
20960 (enum omp_clause_default_kind): New.
20961 (build_string_literal): Declare.
20962 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
20963 (build5_stat, build5): Declare.
20964 * tree-pass.h (TDF_CHAIN): Define.
20965 * tree-pass.h (PROP_gimple_lomp): Define.
20966 (pass_lower_omp): Declare.
20967 * diagnostic.h (debug_tree_chain): Declare.
20968 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
20970 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
20971 * builtins.c (build_string_literal): Make extern.
20972 * gcc.c (include_spec_function): New.
20973 (static_spec_functions): Add it.
20974 (main): Move load of libgomp.spec ...
20975 (LINK_COMMAND_SPEC): ... here.
20976 (link_gomp_spec): New.
20977 (static_specs): Include it.
20978 (LINK_COMMAND_SPEC): Add link_gomp.
20979 (GOMP_SELF_SPECS): New.
20980 (driver_self_specs): Include it.
20981 (switch_matches): Don't mark inline.
20982 (main): Load libgomp.spec.
20983 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
20984 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
20985 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
20986 * tree-gimple.h (enum omp_parallel): Declare.
20987 (determine_parallel_type): Declare.
20988 (omp_firstprivatize_variable): Declare.
20989 (omp_reduction_init): Declare.
20990 (diagnose_omp_structured_block_errors): Declare.
20991 (struct walk_stmt_info): Add want_return_expr.
20992 (struct walk_stmt_info): Add want_bind_expr, want_locations.
20993 (find_omp_clause): Declare.
20994 (insert_field_into_struct): Declare.
20995 (struct walk_stmt_info): Move from tree-nested.c
20996 (walk_stmts): Declare.
20997 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
20999 * cgraphunit.c (cgraph_lower_function): Make static.
21000 (cgraph_finalize_pending_functions): New.
21001 (cgraph_finalize_function): Call it.
21002 (cgraph_finalize_compilation_unit): Likewise.
21003 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21004 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21005 (BT_FN_UINT_UINT): New.
21006 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21007 DEF_FUNCTION_TYPE_VAR_4): Document.
21008 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21009 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21010 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21011 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21012 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21013 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21014 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21015 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21016 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21017 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21018 into separate files.
21019 (DEF_GOMP_BUILTIN): New.
21020 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21021 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21022 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21023 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21024 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21025 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21026 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21027 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21028 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21029 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21030 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21031 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21032 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21033 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21034 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21035 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21036 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21037 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21038 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21039 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21040 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21041 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21042 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21043 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21044 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21045 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21046 * sync-builtins.def: New file, moved from builtins.def.
21047 * omp-builtins.def: New file, moved from builtins.def.
21048 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21049 * gimple-low.c (lower_function_body): Clear data.
21050 (lower_stmt): Do not handle COMPOUND_EXPR.
21051 Remove call to print_node_brief.
21052 * c-tree.h (c_finish_omp_clauses): New prototype.
21053 (C_DECL_THREADPRIVATE_P): Define.
21054 (lookup_name_no_remap, c_omp_remap_private): Remove
21055 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21056 (check_for_loop_decls): Update decl.
21057 (lookup_name_no_remap, c_omp_remap_private): Declare.
21058 (build_indirect_ref, build_modify_expr, pushdecl,
21059 pushdecl_top_level): Move to c-common.h.
21060 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21061 before the switch, but just in the 2 places that need it.
21062 * c-decl.c (diagnose_mismatched_decls): Do not check for
21063 mismatched thread-local attributes when OLDDECL is marked
21064 threadprivate and NEWDECL has no thread-local attributes.
21065 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21066 (c_gimple_diagnostics_recursively): Rename from
21067 c_warn_unused_result_recursively. Invoke
21068 diagnose_omp_structured_block_errors.
21069 (check_for_loop_decls): Return a singular decl found.
21070 * langhooks.c (lhd_omp_predetermined_sharing): Return
21071 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21072 (lhd_omp_firstprivatize_type_sizes): New.
21073 (lhd_omp_assignment): New.
21074 (lhd_omp_predetermined_sharing): New.
21075 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21076 (struct lang_hooks_for_types): Add
21077 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21078 omp_predetermined_sharing, omp_disregard_value_expr,
21079 omp_private_debug_clause, omp_clause_default_ctor,
21080 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21081 (c_finish_omp_clauses): New.
21082 (c_finish_bc_stmt): Diagnose break within omp for.
21083 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21084 (build_unary_op): Return error_mark after reporting
21086 (build_modify_expr): Likewise.
21087 * gimplify.c: Include optabs.h and pointer-set.h.
21088 (enum gimplify_omp_var_data): Declare.
21089 (struct gimplify_omp_ctx): Declare.
21090 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21092 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21093 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21094 (splay_tree_compare_decl_uid): New.
21095 (new_omp_context): New.
21096 (delete_omp_context): New.
21097 (gimple_add_tmp_var): Call omp_add_variable.
21098 (gimplify_bind_expr): Likewise.
21099 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21100 true, disregard DECL_VALUE_EXPR on the decl if any.
21101 (gimplify_expr_in_ctx): New.
21102 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21103 omp_add_variable, omp_notice_variable, omp_is_private
21104 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21105 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21106 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21107 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21108 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21109 gimplify_omp_atomic): New.
21110 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21111 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21112 OMP_CRITICAL and OMP_ATOMIC.
21113 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21114 * c-pragma.h (enum pragma_kind): Add
21115 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21116 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21117 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21118 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21119 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21120 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21121 PRAGMA_OMP_THREADPRIVATE.
21122 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21123 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21124 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21125 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21126 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21127 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21128 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21129 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21130 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21131 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21132 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21133 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21134 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21136 (struct nesting_info): Add field_map,
21137 suppress_expansion, debug_var_chain.
21138 (create_nesting_tree): Initialize them.
21139 (lookup_field_for_decl): Use field_map.
21140 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21141 (convert_local_omp_clauses): New.
21142 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21143 (walk_body): Split out of walk_function.
21144 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21145 (convert_nonlocal_reference): Handle omp statements.
21146 (convert_local_reference): Likewise.
21147 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21148 (unnest_nesting_tree): New.
21149 (lower_nested_functions): Call it.
21150 (insert_field_into_struct): Make extern.
21151 (struct walk_stmt_info): Move to tree-gimple.h.
21152 (walk_stmts): Make extern.
21153 * omp-builtins.def: New file.
21154 * tree-iterator.c (expr_only): Clarify comment.
21155 * c-common.h (pushdecl_top_level, pushdecl,
21156 build_modify_expr, build_indirect_ref,
21157 c_finish_omp_master, c_finish_omp_critical,
21158 c_finish_omp_ordered, c_finish_omp_barrier,
21159 c_finish_omp_atomic, c_finish_omp_flush,
21160 c_finish_omp_for, c_split_parallel_clauses,
21161 omp_clause_default_kind, c_omp_sharing_predetermined,
21162 c_omp_remap_decl): Declare.
21163 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21164 (OBJS-common): Add omp-low.o.
21165 (c-omp.o, omp-low.o): Add.
21166 (gimplify.o): Add dependency on $(OPTABS_H).
21167 (GTFILES): Add omp-low.c.
21168 (gt-stringpool.h): Add.
21169 * tree-cfg.c (set_bb_for_stmt): Do not update the
21170 block-to-labels map if we are currently expanding to RTL.
21171 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21173 Handle IDENTIFIER_NODE.
21174 (tree_verify_flow_info): Do not ICE when emitting error
21175 messages about invalid labels.
21176 (dump_function_to_file): Reset CFUN before emitting the body
21178 (debug_function): New.
21179 * passes.c (init_optimization_passes): Schedule
21181 * langhooks-def.h (lhd_omp_predetermined_sharing,
21182 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21184 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21185 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21186 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21187 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21188 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21189 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21190 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21191 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21192 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21193 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21194 (LANG_HOOK_DECLS): Use them.
21196 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21197 Richard Henderson <rth@redhat.com>
21198 Jakub Jelinek <jakub@redhat.com>
21199 Diego Novillo <dnovillo@redhat.com>
21201 * c-parser.c (pragma_omp_clause): Define.
21202 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21203 (c_parser_compound_statement): Likewise.
21204 (c_parser_statement): Likewise.
21205 (c_parser_pragma): Handle omp pragmas.
21206 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21207 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21208 (c_parser_omp_clause_name, check_no_duplicate_clause,
21209 c_parser_omp_variable_list,
21210 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21211 c_parser_omp_clause_copyprivate,
21212 c_parser_omp_clause_default,
21213 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21214 c_parser_omp_clause_lastprivate,
21215 c_parser_omp_clause_nowait,
21216 c_parser_omp_clause_num_threads,
21217 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21218 c_parser_omp_clause_reduction,
21219 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21220 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21221 c_parser_omp_atomic, c_parser_omp_barrier,
21222 c_parser_omp_critical, c_parser_omp_flush,
21223 c_parser_omp_for_loop, c_parser_omp_for,
21224 c_parser_omp_master, c_parser_omp_ordered,
21225 c_parser_omp_sections_scope, c_parser_omp_sections,
21226 c_parser_omp_parallel, c_parser_omp_single,
21227 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21228 * c-pragma.c (init_pragma): Do omp pragma registration here.
21229 * c.opt (fopenmp): New flag.
21231 2006-01-18 Eric Christopher <echristo@apple.com>
21233 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21234 * config/darwin.h (GOMP_SELF_SPECS): Define.
21236 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21238 * rtl.h: Remove the prototype for reg_alloc.
21240 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21243 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21244 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21245 sjlj and dwarf2 exception handling.
21246 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21247 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21248 * pa/pa.c (function_value): Treat complex and vector types as
21250 (function_arg): Likewise. Only pass scalar floats in the floating
21251 point argument registers.
21252 * pa/t-slibgcc-dwarf-ver: New file.
21253 * pa/t-slibgcc-sjlj-ver: New file.
21254 * pa/t-slibgcc-elf-ver: Delete file.
21256 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21258 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21259 unlikely_test_section_p test.
21261 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21263 * mode-switching.c (optimize_mode_switching): Make it static.
21264 * basic-block.h: Remove the prototype for
21265 optimize_mode_switching.
21267 * modulo-sched.c (sms_schedule): Make it static.
21268 * rtl.h: Remove the prototype for sms_schedule.
21270 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21271 * rtl.h: Remove the prototype for gcse_after_reload_main.
21273 * reg-stack.c (reg_to_stack): Make it static.
21274 * rtl.h: Remove the prototype for reg_to_stack.
21276 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21278 * rtl.h: Remove the prototypes for regrename_optimize and
21279 copyprop_hardreg_forward.
21281 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21283 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21284 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21285 Test against the appropriate null constant for the mode.
21286 If 'fixup_overlap' is true, swap the operands if they overlap.
21287 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21288 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21289 alpha_split_tmode_pair and adjust for above change.
21290 * config/alpha/alpha.md (movtf_internal): Adjust call to
21291 alpha_split_tfmode_pair and rely on it to swap the operands.
21292 (movti_internal): New insn and post-reload splitter.
21293 (movti): New expander.
21295 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21297 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21300 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21302 * rtlanal.c (global_reg_mentioned_p_1,
21303 global_reg_mentioned_p): Remove.
21304 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21306 * flow.c (initialize_uninitialized_subregs): Make it static.
21307 * rtl.h: Remove the prototype for
21308 initialize_uninitialized_subregs.
21310 * function.c (instantiate_virtual_regs): Make it static.
21311 * function.h: Remove the prototype for
21312 instantiate_virtual_regs.
21314 * regmove.c (regmove_optimize, combine_stack_adjustments):
21316 * rtl.h: Remove the prototypes for regmove_optimize and
21317 combine_stack_adjustments.
21319 2006-01-17 Roger Sayle <roger@eyesopen.com>
21321 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21322 (size_cost): Encode costs in bytes so that a reg-reg addition is
21323 equivalent to COSTS_N_INSNS(1).
21324 (override_options): Use the size_cost.branch_cost as the default
21325 ix86_branch_cost when optimizing for size.
21327 2006-01-18 Ben Elliston <bje@au.ibm.com>
21329 * Makefile.in (D32PBIT_FUNCS): New.
21330 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21331 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21332 D64PBIT_FUNCS and D128PBIT_FUNCS.
21333 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21334 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21336 (decnumber_dep): Define.
21337 * doc/libgcc.texi (Decimal float library routines): New node.
21338 * config/dfp-bit.h, config/dfp-bit.c: New files.
21340 2006-01-18 Ben Elliston <bje@au.ibm.com>
21342 * expr.c (emit_move_change_mode): Always adjust addresses, not
21343 just during reload. Copy replacements only during reload.
21344 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21345 emit_move_via_integer.
21347 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21349 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21350 instead of $(srcdir) and ${srcdir}.
21352 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21355 PR middle-end/11135
21356 * arm.h (struct machine_function): Add pic_reg.
21357 * arm.c (arm_pic_register): Make unsigned.
21358 (arm_override_options): Only set arm_pic_register if
21359 TARGET_SINGLE_PIC_BASE.
21360 (use_return_insn): Only test for a pic register if it is fixed.
21361 (arm_compute_save_reg0_reg12_mask): Likewise.
21362 (thumb_compute_save_reg_mask): Likewise.
21363 (legitimate_pic_operand): Factor out some known invariants.
21364 (legitimize_pic_address): If we don't have a fixed pic register,
21365 then set up a pseudo in the function entry sequence. Handle the
21366 pic base being in a pseudo.
21367 (arm_load_pic_register): Handle the pic register being in a pseudo.
21368 (arm_expand_prologue): Only set up the pic register if it is fixed.
21369 (thumb_expand_prologue): Likewise.
21370 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21371 (pic_load_addr_based_insn): Likewise.
21372 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21375 2006-01-18 Ben Elliston <bje@au.ibm.com>
21377 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21378 decimal float modes for all floating point registers.
21380 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21381 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21383 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21386 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21387 even when the pointer is not NULL.
21389 2006-01-16 Ian Lance Taylor <ian@airs.com>
21391 * common.opt (ftoplevel-reorder): New option.
21392 * cgraph.c (cgraph_asm_nodes): New global variable.
21393 (cgraph_asm_last_node): New static variable.
21394 (cgraph_order): New global variable.
21395 (cgraph_create_node): Set new order field.
21396 (cgraph_varpool_node): Likewise.
21397 (decide_is_variable_needed): Return true if not
21398 flag_toplevel_reorder.
21399 (cgraph_add_asm_node): New function.
21400 * cgraph.h (struct cgraph_node): Add order field.
21401 (struct cgraph_varpool_node): Add order field.
21402 (struct cgraph_asm_node): Define.
21403 (cgraph_asm_nodes, cgraph_order): Declare.
21404 (cgraph_add_asm_node): Declare.
21405 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21407 (cgraph_varpool_assemble_pending_decls): Call it.
21408 (cgraph_output_pending_asms): New static function.
21409 (cgraph_finalize_compilation_unit): Call it.
21410 (struct cgraph_order_sort): Define.
21411 (cgraph_output_in_order): New static function.
21412 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21413 !flag_toplevel_reorder case.
21414 * c-parser.c: Include "cgraph.h".
21415 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21417 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21418 than -fno-unit-at-a-time.
21419 * doc/invoke.texi (Option Summary): Mention
21420 -fno-toplevel-reorder.
21421 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21422 -funit-at-a-time documentation.
21424 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21425 Kazu Hirata <kazu@codesourcery.com>
21427 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
21429 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
21431 * Makefile.in (FUNCTION_H): New. Use it instead of
21432 function.h throughout the file.
21433 * function.h: Include tree.h.
21435 2006-01-17 Ben Elliston <bje@au.ibm.com>
21437 * recog.c: Separate some functions with whitespace.
21439 2006-01-16 Richard Henderson <rth@redhat.com>
21441 Merge from gomp branch:
21442 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
21443 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
21444 and rename from struct inline_data. Rename callee* to dst*;
21445 caller* to src*; add copy_decl hook, transform_call_graph_edges,
21446 transform_new_cfg, transform_return_to_modify, and
21447 transform_lang_insert_block flags; remove cloning_p, versioning_p,
21449 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
21450 (copy_decl_for_dup): Remove.
21451 * tree-inline.c (struct inline_data): Move to header.
21452 (insert_decl_map): Export.
21453 (remap_decl): Update for member name changes. Use copy_decl hook.
21454 Allow for replacement to be a non-decl. Remove dead code.
21455 (remap_type_1): Check for existing mapping.
21456 (remap_type): Export.
21457 (remap_decls): Update for member name changes.
21458 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
21459 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
21460 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
21461 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
21462 (tree_function_versioning, build_duplicate_type): Likewise.
21463 (copy_body_r): Likewise. Export.
21464 (copy_decl_for_dup): Split into ...
21465 (copy_decl_for_dup_finish, copy_decl_to_var,
21466 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
21467 (replace_ref_tree, inlining_p): Remove.
21469 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21471 * ifcvt.c (if_convert): Make it static.
21472 * rtl.h: Remove the prototype for if_convert.
21474 * local-alloc.c (local_alloc): Make it static.
21475 * rtl.h: Remove the prototype for local_alloc.
21477 * loop.c (loop_optimize): Make it static.
21478 * cfgloop.h: Remove the prototype for loop_optimize.
21481 2006-01-16 DJ Delorie <dj@redhat.com>
21483 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
21486 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21488 * pa.md: Disparage copies between general and floating-point registers
21489 in 32-bit move patterns.
21491 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
21494 * Makefile.in (check-%): Depend on site.exp instead of
21495 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
21498 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21500 * global.c (global_alloc): Make it static.
21501 * rtl.h: Remove the prototype for global_alloc.
21503 2006-01-16 Richard Guenther <rguenther@suse.de>
21505 * tree-ssa-alias.c (struct used_part): Add write_only field.
21506 (get_or_create_used_part_for): Initialize it to true.
21507 (create_overlap_variables_for): Don't create structure variables
21508 for structures that only are written to.
21509 (find_used_portions): Handle MODIFY_EXPR to track whether a
21510 structure is only written to.
21512 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21514 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
21516 * basic-block.h: Remove the prototype for
21517 partition_hot_cold_basic_blocks.
21519 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
21521 * cppspec.c (lang_specific_spec_functions): Remove.
21522 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
21523 * gcc.h (lang_specific_spec_functions): Remove.
21524 * gccspec.c (lang_specific_spec_functions): Remove.
21526 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
21528 * combine.c (record_value_for_reg): Invalidate registers
21530 (record_dead_and_set_regs_1): Likewise, by passing them to
21531 record_value_for_reg.
21532 (record_dead_and_set_regs): Invalidate stores made by a
21533 call. We do not combine across a call, but we still
21534 relied on equivalences.
21536 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21538 * tree-vrp.c (extract_range_from_binary_expr): Cope with
21539 vrp_int_const_binop returning non-constant nodes.
21541 2006-01-16 Paul Brook <paul@codesourcery.com>
21543 * config/m68k/m68k.c (output_move_const_into_data_reg):
21544 Output correct mnemonic for mvz and mvs.
21546 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
21548 * rtl-factoring.c: Add sequence abstraction algorithm.
21549 * cfgcleanup.c (outgoing_edges_match): Extra checks.
21550 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
21552 (block_has_preserve_label): New function.
21553 * common.opt: Register new pass.
21554 * Makefile.in: Ditto.
21556 * timevar.def: Ditto.
21557 * tree-pass.h: Ditto.
21558 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
21559 * rtl.h (make_jump_insn_raw): Add forward decl.
21560 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21562 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21563 Roger Sayle <roger@eyesopen.com>
21565 * fold-const.c (fold_minmax): New static function.
21566 (fold_binary) <MIN_EXPR>: Call it.
21567 <MAX_EXPR>: Likewise.
21568 * stor-layout.c (place_field): Use DECL_SIZE consistently
21569 in the computation of the new record size.
21571 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21573 * cse.c (cse_condition_code_reg): Make it static.
21574 * rtl.h: Remove the prototype for cse_condition_code_reg.
21576 * combine.c (combine_instructions): Make it static.
21577 * rtl.h: Remove the prototype for combine_instructions.
21579 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21582 * tree.c (get_file_function_name_long): Concatenate the first global
21583 object name with a string derived from the input filename of the object
21586 2006-01-16 Ben Elliston <bje@au.ibm.com>
21588 * config/i386/winnt-stubs.c: Update FSF address.
21589 * config/xtensa/ieee754-df.S: Ditto.
21590 * config/xtensa/ieee754-sf.S: Ditto.
21592 2006-01-14 Ian Lance Taylor <ian@airs.com>
21594 * ifcvt.c (noce_init_if_info): New static function, broken out of
21595 noce_process_if_block.
21596 (noce_process_if_block): Call noce_init_if_info.
21597 (check_cond_move_block): New static function.
21598 (cond_move_process_if_block): New static function.
21599 (process_if_block): Call cond_move_process_if_block.
21601 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
21603 * cselib.c (hash_table): Rename to cselib_hash_table.
21604 (cselib_clear_table, discard_useless_values,
21605 remove_useless_values, cselib_lookup_mem, cselib_lookup,
21606 cselib_init, cselib_finish): Adjust uses of hash_table.
21608 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
21610 PR tree-optimization/25485
21611 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
21612 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
21613 is known to be false and true, respectively.
21615 2006-01-14 Richard Guenther <rguenther@suse.de>
21617 PR tree-optimization/22548
21618 PR tree-optimization/22555
21619 PR tree-optimization/22501
21620 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
21621 * params.def (salias-max-array-elements): New parameter.
21622 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
21623 * doc/invoke.texi (salias-max-array-elements): Document.
21624 * tree-flow-inline.h (var_can_have_subvars): We also handle
21626 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
21628 * tree-ssa-structalias.c (params.h): Include.
21629 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
21630 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
21631 (get_constraint_for): For ADDR_EXPR operating on something
21632 containing an ARRAY_REF, add all subvars to the solution.
21633 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
21634 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
21635 for creating MUST_DEFs.
21636 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
21638 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
21640 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
21642 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
21643 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
21644 number_of_iterations_le): New functions.
21645 (number_of_iterations_special): Removed.
21646 (number_of_iterations_exit): Do not use number_of_iterations_special.
21647 * tree.c (unsigned_type_for): Always return integer type.
21649 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
21650 Richard Guenther <rguenther@suse.de>
21652 PR rtl-optimization/24257
21653 * gcse.c (find_moveable_store): Only consider a store movable
21654 when the SET_SRC of the insn can be assigned to a register.
21656 2006-01-14 Ian Lance Taylor <ian@airs.com>
21658 * tree.c (tree_not_class_check_failed): New function.
21659 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
21660 (tree_not_class_check_failed): Declare.
21662 2006-01-13 Ian Lance Taylor <ian@airs.com>
21664 * reload1.c (do_output_reload): Add assertion rejecting a
21667 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
21669 * combine.c (struct reg_stat): Add new fields truncation_label and
21671 (record_value_for_reg): Reset truncated_to_mode.
21672 (record_truncated_value): New function.
21673 (check_promoted_subreg): Call it. Rename to check_conversions.
21674 (combine_instructions): Rename check_promoted_subreg to
21676 (reg_truncated_to_mode): New function.
21677 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
21678 (gen_lowpart_or_truncate): New function.
21679 (force_to_mode): Use it instead of gen_lowpart.
21681 2006-01-13 Diego Novillo <dnovillo@redhat.com>
21683 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
21684 VAR is a tag, not its type tag.
21686 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
21688 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
21689 alternatives to match style of other entries.
21690 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
21692 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
21694 PR tree-optimization/25771
21695 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
21698 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
21701 * tree-inline.c (declare_return_variable): If the return variable
21702 was marked as a non gimple complex, set the return slot variable
21703 to be a non gimple comple variable.
21705 2006-01-13 Richard Guenther <rguenther@suse.de>
21707 * builtins.c (expand_builtin_sincos): New function.
21708 (expand_builtin_mathfn_3): Remove dead code, sin and cos
21710 (expand_builtin): Expand sincos using expand_builtin_sincos.
21712 2006-01-12 DJ Delorie <dj@redhat.com>
21714 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
21715 shift counts, separate SI shifts for m32c vs m16c, pass shift type
21716 so that constant shifts can be split.
21717 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
21718 (m32c_valid_pointer_mode): Make static.
21719 (shift_gen_func_for): New.
21720 (m32c_prepare_shift): Use it. Split large const shifts into
21722 * config/m32c/predicates.md (shiftcount_operand): Allow more
21724 (longshiftcount_operand): New.
21725 * doc/md.texi (Machine Constraints): Document In6.
21727 2006-01-13 Ben Elliston <bje@au.ibm.com>
21729 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
21730 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
21733 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
21735 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
21736 to try to avoid clobbering pieces of structures when we know
21737 something about the whole structure.
21738 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
21740 2006-01-13 Ben Elliston <bje@au.ibm.com>
21742 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
21743 return in memory, as this is no limitation is no longer present.
21745 2006-01-12 DJ Delorie <dj@redhat.com>
21747 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
21748 mova with fb, and for fb+0 -> An.
21750 * config/m32c/mov.md (peephole2): Fix enabling logic.
21752 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
21753 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
21754 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
21755 FINI_ARRAY_SECTION_ASM_OP): Define.
21757 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
21759 (m32c_legitimize_reload_address): New logic to reload FB to An.
21760 (m32c_output_reg_push): Add newline.
21761 (m32c_output_reg_pop): Likewise.
21763 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
21765 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
21767 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
21769 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
21771 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21773 * config/sh/predicates.md (sh_rep_vec): Add parallel to
21776 2006-01-11 Ben Elliston <bje@au.ibm.com>
21778 * rtlanal.c (find_reg_note): Assert insn is not null.
21780 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21782 * df-scan.c (df_hard_reg_init): Move declaration of i outside
21785 2006-01-11 Jeff Law <law@redhat.com>
21787 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
21789 (mark_threaded_blocks, register_jump_thread): New functions.
21790 (thread_through_all_blocks): Remove unwanted argument. No
21791 longer rely on e->aux to communicate thread target info.
21792 Call mark_threaded_blocks. Release the threaded_blocks
21793 bitmap and threaded_edges vector when complete.
21794 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
21795 (threaded_blocks): Remove.
21796 (tree_ssa_dominator_optimize): Remove initialization and
21797 finalization of threaded_blocks. Simplify call to
21798 thread_through_all_blocks.
21799 (thread_across_edge): Call register_jump_thread rather than
21800 storing thread information into e->aux.
21801 (free_all_edge_infos): Simplify now that e->aux is no longer
21802 used to communicate with thread_through_all_blocks.
21803 * tree-flow.h (thread_through_all_blocks): Update prototype.
21804 (register_jump_thread): Prototype.
21806 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21808 * df-core.c (df_compact_blocks, df_bb_replace): Use
21809 SET_BASIC_BLOCK instead of BASIC_BLOCK.
21811 2006-01-11 Richard Guenther <rguenther@suse.de>
21813 PR tree-optimization/25734
21814 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
21815 stop propagation after successful propagation to the LHS.
21817 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21819 * basic-block.h (control_flow_graph): Change the type of
21820 x_basic_block_info to VEC(basic_block,gc) *.
21821 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
21823 (SET_BASIC_BLOCK): New.
21824 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
21825 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
21826 * cfgbuild.c (find_basic_blocks): Likewise.
21827 * cfglayout.c (fixup_reorder_chain): Likewise.
21828 * cfgrtl.c (create_basic_block_structure,
21829 rtl_create_basic_block): Likewise.
21830 * ifcvt.c (find_if_case_1): Likewise.
21831 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
21834 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21836 * Makefile.in: Removed rotted odf.c entry.
21838 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
21841 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
21842 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
21843 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
21844 output pattern modifier, not %e.
21845 * config/cris/cris.c (cris_op_str): Update comment about pattern
21847 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
21848 before falling through into...
21849 <case 'E'>: Redefined from old 'e' case.
21851 2006-01-11 Jan Hubicka <jh@suse.cz>
21854 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
21856 2006-01-11 Jan Hubicka <jh@suse.cz>
21858 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
21859 * i386.c (x86_decompose_lea): Kill.
21860 (ix86_rtx_costs): Kill.
21862 2006-01-11 Jan Hubicka <jh@suse.cz>
21864 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
21865 * cgraph.h (cgraph_node): Add inline_decl.
21866 (cgraph_insert_node_to_hashtable): Declare.
21867 (save_inline_function_body): Declare.
21868 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
21870 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
21871 (cgraph_function_versioning): Update call of tree_function_versioning.
21872 (save_inline_function_body): New function.
21873 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
21874 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
21875 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
21876 (cgraph_default_inline_p): Likewise.
21877 (cgraph_decide_inlining_incrementally): Likewise.
21878 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
21879 (copy_bb): Kill saving; do updating of clones.
21880 (copy_cfg_body): Kill saving.
21881 (initialize_inlined-parameters): Likewise.
21882 (expand_call_inline): Likewise.
21884 (tree_function_versioning): New parameter "update_clones".
21885 (inlining_p): Kill saving.
21886 * tree-inline.h (tree_function_versioning): Update prototype.
21887 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
21890 2006-01-11 Ian Lance Taylor <ian@airs.com>
21892 * combine.c (struct undo): Remove is_int. Enumify types of undos.
21893 Allow undoing set of machine mode.
21894 (do_SUBST): Use enums instead of is_int.
21895 (do_SUBST_MODE): New function.
21896 (SUBST_MODE): New macro.
21897 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
21898 reg and trying to replace reg_regno_rtx with a new register.
21899 (undo_all): Use new enums, handle undoing a PUT_MODE change.
21900 (simplify_set): Use SUBST_MODE.
21901 (distribute_notes): Remove code that tried to update reg notes
21902 for regno_reg_rtx changes.
21904 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
21906 PR tree-optimization/23109
21907 PR tree-optimization/23948
21908 PR tree-optimization/24123
21910 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
21911 * tree-cfg.c (single_noncomplex_succ): New.
21912 * tree-flow.h (single_noncomplex_succ): Declare it.
21913 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21914 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21915 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
21916 insert_bb, register_division_in, insert_reciprocals,
21917 replace_reciprocal, free_bb): New.
21918 (execute_cse_reciprocals_1): Rewritten.
21919 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
21920 Do not commit any edge insertion. Always compute dominators and
21921 create the allocation pool.
21922 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
21923 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
21924 * targhooks.c (default_min_divistions_for_recip_mul): New.
21925 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
21926 * passes.c (init_optimization_passes): Run recip after tree loop
21928 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
21930 2006-01-11 Danny Berlin <dberlin@dberlin.org>
21931 Kenneth Zadeck <zadeck@naturalbridge.com>
21933 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
21934 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
21935 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
21936 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
21937 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
21938 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
21939 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
21940 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
21941 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
21942 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
21943 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
21944 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
21945 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
21946 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
21947 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
21948 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
21949 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
21950 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
21951 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
21952 DF_SCAN_POST_ALLOC): New macros.
21953 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
21954 df_free_bb_function, df_local_compute_function, df_init_function,
21955 df_dataflow_function, df_confluence_function_0,
21956 df_confluence_function_n, df_transfer_function,
21957 df_finalizer_function, df_free_function, df_dump_problem_function,
21958 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
21959 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
21960 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
21961 df_urec_bb_info, ) New types.
21962 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
21964 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
21965 df_analyze_simple_change_some_blocks,
21966 df_analyze_simple_change_one_block, df_compact_blocks,
21967 df_bb_replace, df_bb_regno_last_use_find,
21968 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
21969 df_insn_regno_def_p, df_find_def, df_find_use,
21970 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
21971 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
21972 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
21973 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
21974 debug_df_chain, df_get_dependent_problem, df_chain_create,
21975 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
21976 df_grow_bb_info, df_chain_dump, df_print_bb_index,
21977 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
21978 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
21979 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
21980 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
21981 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
21982 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
21983 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
21984 df_ref_remove, df_insn_refs_delete, df_refs_delete,
21985 df_reorganize_refs, df_set_state, df_hard_reg_init,
21986 df_read_modify_subreg_p) New public functions.
21987 * df-core.c: The core dataflow solver and glue routines for rtl
21989 (df_init, df_add_problem, df_set_blocks, df_finish,
21990 df_hybrid_search_forward, df_hybrid_search_backward,
21991 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
21992 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
21993 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
21994 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
21995 df_reg_defined, df_find_use, df_reg_used, df_dump,
21996 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
21997 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
21998 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
21999 debug_df_useno, reset_df_after_reload): New functions.
22000 * df-scan.c: The scanning fuctions, once in df.c, completely
22001 rewritten so that they now fully model the functionality of
22002 register usage at the backend.
22003 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22004 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22005 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22006 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22007 df_get_artificial_defs, df_get_artificial_uses,
22008 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22009 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22010 df_refs_delete, df_reorganize_refs, df_set_state,
22011 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22012 df_def_record_1, df_defs_record, df_uses_record,
22013 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22014 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22015 df_record_exit_block_uses, df_hard_reg_init): New functions.
22017 * df-problems.c: Seven concrete dataflow problems that use the
22018 scanning in df-scan.c and are solved by the engine in df-core.c.
22019 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22020 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22021 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22022 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22023 df_ru_free_bb_info, df_ru_alloc,
22024 df_ru_bb_local_compute_process_def,
22025 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22026 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22027 df_ru_transfer_function, df_ru_free, df_ru_dump,
22028 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22029 df_rd_free_bb_info, df_rd_alloc,
22030 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22031 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22032 df_rd_transfer_function, df_rd_free, df_rd_dump,
22033 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22034 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22035 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22036 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22037 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22038 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22039 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22040 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22041 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22042 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22043 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22044 df_urec_mark_reg_use_for_earlyclobber,
22045 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22046 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22047 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22048 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22049 df_chain_create_bb_process_use, df_chain_create_bb,
22050 df_chain_finalize, df_chain_free, df_chains_dump,
22051 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22052 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22053 df_reg_lifetime): New functions.
22054 * df.c: Deleted file.
22055 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22056 consistent with new df api.
22057 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22058 rest_of_handle_sms): Ditto.
22059 * web.c (unionfind_union, union_defs, entry_register, web_main):
22061 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22062 invariant_expr_equal_p, find_defs, check_dependencies,
22063 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22064 free_inv_motion_data, move_loop_invariants): Ditto.
22065 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22066 Update dependencies.
22067 (odf.c): Added defective entry that was deleted later in day.
22068 * sched-deps.c (sched_analyze_1): Ditto.
22070 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22072 * tree-ssa-operands.c (get_expr_operands): Record addressable
22073 variables directly. Do not call add_stmt_operands for CONST_DECLs
22075 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22076 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22078 2006-01-11 Ben Elliston <bje@au.ibm.com>
22080 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22081 function returns true in the positive case.
22083 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22086 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22087 for SI, DI, SF and DF modes. Add alternatives to copy between
22088 general and floating point registers to the 32-bit patterns.
22089 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22090 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22091 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22092 generating 64-bit code.
22093 * config/pa/pa.c (output_move_double): Handle copies between general
22094 and floating registers.
22096 2006-01-10 Stuart Hastings <stuart@apple.com>
22098 * config/i386/i386.md (set_got): Update.
22099 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22100 (builtin_setjmp_receiver): Mach-O support.
22101 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22102 (GOT_SYMBOL_NAME): Define.
22103 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22104 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22105 * config/i386/i386.c (override_options): Revise for Darwin.
22106 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22107 support. (darwin_x86_file_end): New. (output_set_got): Add label
22108 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22109 * config/i386/i386-protos.h (output_set_got): Likewise.
22110 * config/darwin.c (machopic_legitimize_pic_address): Update
22113 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22115 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22116 when MODE isn't BLKmode.
22118 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22120 PR rtl-optimization/25367
22121 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22123 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22126 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22127 for a negative bound.
22129 2006-01-10 Richard Guenther <rguenther@suse.de>
22131 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22132 Never override with anything constraint.
22134 2006-01-10 Jan Beulich <jbeulich@novell.com>
22136 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22137 256 bits when optimize_size.
22139 2006-01-10 Jan Beulich <jbeulich@novell.com>
22141 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22143 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22144 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22147 2006-01-10 Ben Elliston <bje@au.ibm.com>
22149 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22151 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22152 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22153 (USE_FP_FOR_ARG): Reject decimal float modes.
22154 (function_arg_advance): Likewise.
22155 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22156 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22157 point types in AltiVec vectors.
22158 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22159 (rs6000_libcall_value): Likewise.
22161 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22163 * config/xtensa/ieee754-df.S: New file.
22164 * config/xtensa/ieee754-sf.S: New file.
22165 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22166 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22167 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22169 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22171 * config/sh/predicates.md (binary_float_operator,
22172 binary_logical_operator, commutative_float_operator,
22173 equality_comparison_operator, greater_comparison_operator,
22174 less_comparison_operator, logical_operator,
22175 noncommutative_float_operator, shift_operator,
22176 symbol_ref_operand, unary_float_operator): Remove redundant
22179 2006-01-09 Jeff Law <law@redhat.com>
22181 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22182 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22183 now unused arguments. Callers updated.
22184 (eliminate_redundant_computations): Remove now unused arguments,
22186 (local_fold): Remove, no longer used.
22187 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22189 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22190 (simplify_cond): New function.
22191 (forward_propagate_into_cond): Call simplify_cond.
22193 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22195 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22196 (*vec_extractv2di_1_sse): New.
22198 2006-01-09 Ben Elliston <bje@au.ibm.com>
22200 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22202 2006-01-08 Richard Guenther <rguenther@suse.de>
22204 * tree-ssa-structalias.c (get_constraint_for): Remove
22205 anyoffset argument.
22206 (get_constraint_for_component_ref): Likewise.
22207 (do_deref): Likewise.
22208 (get_constraint_for): Likewise.
22209 (do_structure_copy): Likewise.
22210 (handle_ptr_arith): Likewise.
22211 (find_func_aliases): Likewise. Remove unused need_anyoffset
22214 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22215 Kaz Kojima <kkojima@gcc.gnu.org>
22217 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22218 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22219 (EXTRA_CONSTRAINT_C16): Remove.
22220 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22221 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22222 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22223 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22224 constants of SHmedia. Handle nested constant expressions of
22226 (andcosts): Fix the costs for SHmedia constants.
22227 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22228 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22229 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22230 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22231 (movv4hi_i, movv2si_i): Likewise.
22232 (movsi_const): Adjust the second operand of ior so to match with
22233 the Csu constraint.
22234 (movdi_const, movdi_const_32bit): Likewise.
22235 (movdi_const_16bit+1): Don't sign-extend LOW.
22236 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22238 (*double_shori): Fix the split condition. Use GEN_INT instead
22239 of get_int_mode calls. Mask lower 16-bit of the argument of
22241 (sym2GOTPLT): Remove.
22242 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22244 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22245 instead of EXTRA_CONSTRAINT_C16.
22247 2006-01-07 Ian Lance Taylor <ian@airs.com>
22248 David Edelsohn <edelsohn@gnu.org>
22250 PR rtl-optimization/25662
22251 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22252 for constant operands instead of simplify_gen_binary.
22253 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22254 after trying simplify_binary_operation
22256 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22258 * tree.c (iterative_hash_expr): Hash decls based on UID.
22260 2006-01-06 Eric Christopher <echristo@apple.com>
22262 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22263 (TARGET_UNWIND_EMIT): Fix spelling.
22264 * target.h (gcc_target): Add except_table_label.
22265 * except.c (output_function_exception_table): Use.
22266 * varasm.c (default_emit_except_table_label): New.
22267 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22269 (asm_out): Add here.
22270 * output.h (default_emit_except_table_label): Prototype.
22271 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22272 * config/darwin.c (darwin_emit_except_table_label): Define.
22273 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22275 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22277 PR tree-optimization/18527
22278 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22279 number_of_iterations_special, number_of_iterations_exit):
22280 Move base and step of an iv to a single structure. Add
22281 no_overflow flag, and use it in # of iterations analysis.
22282 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22283 folded_casts argument.
22284 (simple_iv): Pass base and step in a structure. Set no_overflow
22286 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22287 Evaluate expensiveness of computing # of iterations instead of
22288 the final expression.
22289 * tree-scalar-evolution.h (affine_iv): New structure.
22290 (simple_iv): Declaration changed.
22291 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22292 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22293 find_givs_in_stmt): Changed due to simple_iv change.
22295 2006-01-06 Jeff Law <law@redhat.com>
22298 * tree-cfg.c (bsi_replace): Rename final argument from
22299 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22300 change (stmt -> orig_stmt).
22301 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22302 (bsi_remove): Add new argument. Remove EH information
22304 (verify_eh_throw_table_statements): New function.
22305 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22307 * tree-optimize.c (execute_free_cfg_annotations): Verify
22308 the EH throw statement table after removing annotations.
22309 * except.h (verify_eh_throw_table_statements): Prototype.
22310 * tree-flow.h (bsi_remove): Update prototype.
22311 * tree-vrp.c (remove_range_assertions): Add new argument to
22313 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22314 * tree-complex.c (expand_complex_div_wide): Likewise.
22315 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22316 * tree-tailcall.c (eliminate_tailcall): Likewise.
22317 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22318 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22319 * tree-nrv.c (tree_nrv): Likewise.
22320 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22321 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22322 (combine_blocks): Likewise.
22323 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22324 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22325 (cleanup_control_flow): Likewise.
22326 (remove_forwarder_block): Likewise.
22327 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22328 * tree-sra.c (sra_replace): Likewise.
22329 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22330 (forward_propagate_single_use_vars): Likewise.
22331 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22332 * tree-inline.c (expand_call_inline): Likewise.
22333 * tree-vect-transform.c (vect_transform_loop): Likewise.
22334 * tree-outof-ssa.c (rewrite_trees): Likewise.
22335 * tree-cfg.c (make_goto_expr_edges): Likewise.
22336 (cleanup_dead_labels): Likewise.
22337 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22338 (bsi_move_before, bsi_move_after): Likewise.
22339 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22340 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22342 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22345 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22347 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22348 on non gimple variables. Also add checks at the top for decls and
22350 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22352 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22353 and IMAGPART_EXPR for creating MUST_DEFs.
22354 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22355 and NAME_MEMORY_TAG separately from the DECLs.
22357 2006-01-06 Richard Guenther <rguenther@suse.de>
22359 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22360 annotation, if necessary.
22361 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22362 redundant calls to update_stmt.
22363 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22366 2006-01-05 Richard Henderson <rth@redhat.com>
22368 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22370 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22372 * c-typeck.c: Update copyright date.
22374 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22376 * c-typeck.c (build_c_cast): Always warn when casting
22377 from a pointer to an integer of different size, even if
22378 the node was constant.
22380 2006-01-05 Richard Guenther <rguenther@suse.de>
22382 PR tree-optimization/22555
22383 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22384 if one structure field is an array.
22385 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22386 operands even if we found a subvar, but ignore VOPs in this
22388 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22390 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22392 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22394 PR middle-end/24998
22395 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22397 2006-01-05 Richard Guenther <rguenther@suse.de>
22398 Diego Novillo <dnovillo@redhat.com>
22400 * tree-pass.h (TODO_remove_unused_locals): Define.
22401 * gimple-low.c (expand_var_p, remove_useless_vars,
22402 pass_remove_useless_vars): Remove. Update all users.
22403 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22404 (remove_unused_locals): New function.
22405 * tree-flow.h (remove_unused_locals): Declare.
22406 * passes.c (execute_todo): Call remove_unused_locals if
22407 TODO_remove_unused_locals is set.
22408 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22409 * tree-ssa-dce.c (pass_dce): Likewise.
22410 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22412 2006-01-05 Richard Guenther <rguenther@suse.de>
22414 * tree-flow.h (struct fieldoff): Decompose field to
22415 type, size and decl.
22416 * tree-ssa-alias.c (create_sft): Take type as parameter.
22417 (create_overlap_variables_for): Store type, size and decl
22418 in the fieldoff structure.
22419 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22420 of struct fieldoff.
22421 (push_fields_onto_fieldstack): Likewise.
22422 (create_variable_info_for): Likewise. Use offset for the
22423 SFT name if the decl is not available.
22425 2006-01-04 Paul Brook <paul@codesourcery.com>
22427 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
22429 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
22431 * lambda-code.c (can_put_in_inner_loop): Relax
22433 (can_put_after_inner_loop): New function.
22434 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
22435 (perfect_nestify): Change to make copies and modify uses.
22437 2006-01-04 Richard Henderson <rth@redhat.com>
22439 Merge from gomp branch:
22440 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
22441 via integer constant.
22442 (pragma_lex): Remove.
22443 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
22444 rather than parsing it.
22445 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
22446 handle_pragma_extern_prefix): Add %< %> quotes.
22447 (registered_pragmas): New.
22448 (c_register_pragma_1): New.
22449 (c_register_pragma): Use it.
22450 (c_register_pragma_with_expansion): Likewise.
22451 (c_invoke_pragma_handler): New.
22452 (init_pragma): Use cpp_register_deferred_pragma directly for
22454 * c-pragma.h (enum pragma_kind): New.
22455 (pragma_handler): New.
22456 (c_invoke_pragma_handler): Declare.
22457 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
22459 * c-common.h (c_common_pch_pragma): Update decl.
22460 * Makefile.in (c-parser.o): Update dependencies.
22461 (GTFILES): Add c-pragma.h.
22462 * c-parser.c (struct c_token): Add pragma_kind.
22463 (struct c_parser): Add in_pragma.
22464 (c_lex_one_token): Always initialize keyword and pragma_kind.
22465 Extract data for CPP_PRAGMA.
22466 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
22467 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
22468 Don't allow CPP_PRAGMA_EOL if in_pragma.
22469 (c_parser_consume_pragma): New.
22470 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
22471 (c_parser_skip_to_end_of_parameter): Likewise.
22472 (c_parser_skip_to_end_of_block_or_statement): Likewise.
22473 (c_parser_skip_to_pragma_eol): New.
22474 (c_parser_external_declaration): Handle CPP_PRAGMA.
22475 (c_parser_compound_statement_nostart): Likewise.
22476 (c_parser_statement_after_labels): Likewise.
22477 (c_parser_pragma): New.
22478 (pragma_lex): Likewise.
22479 (c_parser_pragma_pch_preprocess): New.
22480 (c_parser_new): Merge into ...
22481 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
22483 2006-01-04 Jeff Law <law@redhat.com>
22486 * tree-cfg.c (bsi_replace): Remove the original statement
22487 from the EH throw statement table.
22489 2006-01-04 Jakub Jelinek <jakub@redhat.com>
22491 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
22492 make the prototype extern "C" and add throw ().
22495 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
22496 and pos non-negative and pos + len <= 32.
22497 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
22498 drop pos + len < HOST_BITS_PER_WIDE_INT test.
22499 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
22502 * c-common.c (handle_vector_size_attribute): Reject zero vector size
22503 as well as sizes not multiple of component size.
22506 * function.c (instantiate_expr): New function.
22507 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
22508 walk its DECL_VALUE_EXPR with instantiate_expr.
22510 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
22511 DW_OP_deref{,_size} if address isn't going to be added.
22513 2006-01-04 Ben Elliston <bje@au.ibm.com>
22515 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
22516 * config/fp-bit.c: Likewise.
22518 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
22520 * dominance.c: Add comment about why we use DFS numbering
22523 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22524 Richard Henderson <rth@redhat.com>
22526 Merge from gomp-branch:
22527 * varasm.c (assemble_variable): Handle thread-local COMMON data.
22528 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
22530 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
22532 PR rtl-optimization/25578
22533 * combine.c (combine_simplify_rtx, force_to_mode): Don't
22534 pass a parameter to simplify_shift_const if changing ASHIFTRT
22537 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
22539 * builtins.c (get_builtin_sync_mem): New function.
22540 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
22541 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
22542 Call get_builtin_sync_mem to generate mem rtx.
22544 2006-01-03 Richard Guenther <rguenther@suse.de>
22547 * stmt.c (add_case_node): Make sure to clear overflow flags
22550 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22552 Merge from gomp-branch.
22553 * config/sparc/sync.md: New file.
22554 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
22555 UNSPECV_LDSTUB): New constants.
22556 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
22557 * config/sparc/predicates.md (memory_reg_operand): New predicate.
22558 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22561 2006-01-03 Roger Sayle <roger@eyesopen.com>
22563 * combine.c (reg_subword_p): New predicate to test whether the
22564 destination of a set refers to a subword/piece of a register.
22565 (try_combine): Generalize the code to merge the setting of a
22566 pseudo to a constant followed by a set of a subword of that
22567 register to a constant.
22569 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
22571 * basic-block.h (control_flow_graph): Change the type of
22572 x_label_to_block_map to VEC(basic_block,gc) *.
22573 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
22574 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
22576 * tree-ssa-propagate.c (cfg_blocks): Change the type to
22577 VEC(basic_block,heap) *.
22578 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
22579 ssa_prop_fini): Adjust the uses of cfg_blocks.
22581 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
22583 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
22585 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
22586 hashing trees instead of a pointer hash.
22587 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
22588 compare for MEM_EXPR.
22590 PR rtl-optimization/25130
22591 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
22592 when comparing MEMs for GCSE
22594 2006-01-03 Ben Elliston <bje@au.ibm.com>
22596 * targhooks.h (default_decimal_float_supported_p): Declare.
22597 * targhooks.c (default_decimal_float_supported_p): Define.
22598 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
22599 `default_decimal_float_supported_p'.
22600 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
22602 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
22604 * combine.c (apply_distributive_law <SUBREG>): Check
22605 TRULY_NOOP_TRUNCATION.
22607 2006-01-02 Geoffrey Keating <geoffk@apple.com>
22609 * dwarf2out.c (have_switched_text_section): Delete.
22610 (have_multiple_function_sections): New.
22611 (have_location_lists): Make 'bool'.
22612 (add_AT_loc_list): Use 'true' not '1'.
22613 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
22614 (output_loc_list): Use have_multiple_function_sections.
22615 (output_ranges): Likewise.
22616 (dwarf2out_begin_function): Set have_multiple_function_sections if
22618 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
22619 Check function_section rather than DECL_SECTION_NAME.
22620 (dwarf2out_finish): Use have_multiple_function_sections.
22621 Don't clear have_location_lists.
22623 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
22624 Jan Hubicka <jh@suse.cz>
22626 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
22627 case of conditional jump jumping to the next instruction.
22628 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
22629 cases of conditional jump jumping to the next instruction.
22631 2006-01-02 Jan Hubicka <jh@suse.cz>
22633 * i386.c (*_cost): Add COSTS_N_INSNS.
22634 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
22636 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
22639 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
22641 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
22643 * config/arm/arm.c (all_fpus): Fix comment typo.
22644 * config/darwin.c: Likewise.
22645 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
22646 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
22647 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
22649 2006-01-01 David Edelsohn <edelsohn@gnu.org>
22651 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
22652 (rs6000_split_compare_and_swapqhi): New.
22653 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
22654 (sync_compare_and_swapqhi_internal): New.
22655 * config/rs6000/rs6000-protos.h: Declare.