1 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5 * basic-block.h: Remove the prototype for
6 partition_hot_cold_basic_blocks.
8 2006-01-16 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10 * cppspec.c (lang_specific_spec_functions): remove
11 * gcc.c (lookup_spec_function): use static_spec_functions directelly
12 * gcc.h (lang_specific_spec_functions): remove
13 * gccspec.c (lang_specific_spec_functions): remove
15 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
17 * combine.c (record_value_for_reg): Invalidate registers
19 (record_dead_and_set_regs_1): Likewise, by passing them to
21 (record_dead_and_set_regs): Invalidate stores made by a
22 call. We do not combine across a call, but we still
23 relied on equivalences.
25 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
27 * tree-vrp.c (extract_range_from_binary_expr): Cope with
28 vrp_int_const_binop returning non-constant nodes.
30 2006-01-16 Paul Brook <paul@codesourcery.com>
32 * config/m68k/m68k.c (output_move_const_into_data_reg):
33 Output correct mnemonic for mvz and mvs.
35 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
37 * rtl-factoring.c : Add sequence abstraction algorithm.
38 * cfgcleanup.c (outgoing_edges_match): Extra checks.
39 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
41 (block_has_preserve_label): New function.
42 * common.opt: Register new pass.
47 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
48 * rtl.h (make_jump_insn_raw): Add forward decl.
49 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
51 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
52 Roger Sayle <roger@eyesopen.com>
54 * fold-const.c (fold_minmax): New static function.
55 (fold_binary) <MIN_EXPR>: Call it.
57 * stor-layout.c (place_field): Use DECL_SIZE consistently
58 in the computation of the new record size.
60 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
62 * cse.c (cse_condition_code_reg): Make it static.
63 * rtl.h: Remove the prototype for cse_condition_code_reg.
65 * combine.c (combine_instructions): Make it static.
66 * rtl.h: Remove the prototype for combine_instructions.
68 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
71 * tree.c (get_file_function_name_long): Concatenate the first global
72 object name with a string derived from the input filename of the object
75 2006-01-16 Ben Elliston <bje@au.ibm.com>
77 * config/i386/winnt-stubs.c: Update FSF address.
78 * config/xtensa/ieee754-df.S: Ditto.
79 * config/xtensa/ieee754-sf.S: Ditto.
81 2006-01-14 Ian Lance Taylor <ian@airs.com>
83 * ifcvt.c (noce_init_if_info): New static function, broken out of
84 noce_process_if_block.
85 (noce_process_if_block): Call noce_init_if_info.
86 (check_cond_move_block): New static function.
87 (cond_move_process_if_block): New static function.
88 (process_if_block): Call cond_move_process_if_block.
90 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
92 * cselib.c (hash_table): Rename to cselib_hash_table.
93 (cselib_clear_table, discard_useless_values,
94 remove_useless_values, cselib_lookup_mem, cselib_lookup,
95 cselib_init, cselib_finish): Adjust uses of hash_table.
97 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
99 PR tree-optimization/25485
100 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
101 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
102 is known to be false and true, respectively.
104 2006-01-14 Richard Guenther <rguenther@suse.de>
106 PR tree-optimization/22548
107 PR tree-optimization/22555
108 PR tree-optimization/22501
109 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
110 * params.def (salias-max-array-elements): New parameter.
111 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
112 * doc/invoke.texi (salias-max-array-elements): Document.
113 * tree-flow-inline.h (var_can_have_subvars): We also handle
115 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
117 * tree-ssa-structalias.c (params.h): Include.
118 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
119 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
120 (get_constraint_for): For ADDR_EXPR operating on something
121 containing an ARRAY_REF, add all subvars to the solution.
122 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
123 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
124 for creating MUST_DEFs.
125 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
127 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
129 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
131 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
132 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
133 number_of_iterations_le): New functions.
134 (number_of_iterations_special): Removed.
135 (number_of_iterations_exit): Do not use number_of_iterations_special.
136 * tree.c (unsigned_type_for): Always return integer type.
138 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
139 Richard Guenther <rguenther@suse.de>
141 PR rtl-optimization/24257
142 * gcse.c (find_moveable_store): Only consider a store movable
143 when the SET_SRC of the insn can be assigned to a register.
145 2006-01-14 Ian Lance Taylor <ian@airs.com>
147 * tree.c (tree_not_class_check_failed): New function.
148 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
149 (tree_not_class_check_failed): Declare.
151 2006-01-13 Ian Lance Taylor <ian@airs.com>
153 * reload1.c (do_output_reload): Add assertion rejecting a
156 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
158 * combine.c (struct reg_stat): Add new fields truncation_label and
160 (record_value_for_reg): Reset truncated_to_mode.
161 (record_truncated_value): New function.
162 (check_promoted_subreg): Call it. Rename to check_conversions.
163 (combine_instructions): Rename check_promoted_subreg to
165 (reg_truncated_to_mode): New function.
166 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
167 (gen_lowpart_or_truncate): New function.
168 (force_to_mode): Use it instead of gen_lowpart.
170 2006-01-13 Diego Novillo <dnovillo@redhat.com>
172 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
173 VAR is a tag, not its type tag.
175 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
177 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
178 alternatives to match style of other entries.
179 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
181 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
183 PR tree-optimization/25771
184 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
187 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
190 * tree-inline.c (declare_return_variable): If the return variable
191 was marked as a non gimple complex, set the return slot variable
192 to be a non gimple comple variable.
194 2006-01-13 Richard Guenther <rguenther@suse.de>
196 * builtins.c (expand_builtin_sincos): New function.
197 (expand_builtin_mathfn_3): Remove dead code, sin and cos
199 (expand_builtin): Expand sincos using expand_builtin_sincos.
201 2006-01-12 DJ Delorie <dj@redhat.com>
203 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
204 shift counts, separate SI shifts for m32c vs m16c, pass shift type
205 so that constant shifts can be split.
206 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
207 (m32c_valid_pointer_mode): Make static.
208 (shift_gen_func_for): New.
209 (m32c_prepare_shift): Use it. Split large const shifts into
211 * config/m32c/predicates.md (shiftcount_operand): Allow more
213 (longshiftcount_operand): New.
214 * doc/md.texi (Machine Constraints): Document In6.
216 2006-01-13 Ben Elliston <bje@au.ibm.com>
218 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
219 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
222 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
224 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
225 to try to avoid clobbering pieces of structures when we know
226 something about the whole structure.
227 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
229 2006-01-13 Ben Elliston <bje@au.ibm.com>
231 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
232 return in memory, as this is no limitation is no longer present.
234 2006-01-12 DJ Delorie <dj@redhat.com>
236 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
237 mova with fb, and for fb+0 -> An.
239 * config/m32c/mov.md (peephole2): Fix enabling logic.
241 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
242 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
243 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
244 FINI_ARRAY_SECTION_ASM_OP): Define.
246 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
248 (m32c_legitimize_reload_address): New logic to reload FB to An.
249 (m32c_output_reg_push): Add newline.
250 (m32c_output_reg_pop): Likewise.
252 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
254 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
256 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
258 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
260 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
262 * config/sh/predicates.md (sh_rep_vec): Add parallel to
265 2006-01-11 Ben Elliston <bje@au.ibm.com>
267 * rtlanal.c (find_reg_note): Assert insn is not null.
269 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
271 * df-scan.c (df_hard_reg_init): Move declaration of i outside
274 2006-01-11 Jeff Law <law@redhat.com>
276 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
278 (mark_threaded_blocks, register_jump_thread): New functions.
279 (thread_through_all_blocks): Remove unwanted argument. No
280 longer rely on e->aux to communicate thread target info.
281 Call mark_threaded_blocks. Release the threaded_blocks
282 bitmap and threaded_edges vector when complete.
283 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
284 (threaded_blocks): Remove.
285 (tree_ssa_dominator_optimize): Remove initialization and
286 finalization of threaded_blocks. Simplify call to
287 thread_through_all_blocks.
288 (thread_across_edge): Call register_jump_thread rather than
289 storing thread information into e->aux.
290 (free_all_edge_infos): Simplify now that e->aux is no longer
291 used to communicate with thread_through_all_blocks.
292 * tree-flow.h (thread_through_all_blocks): Update prototype.
293 (register_jump_thread): Prototype.
295 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
297 * df-core.c (df_compact_blocks, df_bb_replace): Use
298 SET_BASIC_BLOCK instead of BASIC_BLOCK.
300 2006-01-11 Richard Guenther <rguenther@suse.de>
302 PR tree-optimization/25734
303 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
304 stop propagation after successful propagation to the LHS.
306 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
308 * basic-block.h (control_flow_graph): Change the type of
309 x_basic_block_info to VEC(basic_block,gc) *.
310 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
312 (SET_BASIC_BLOCK): New.
313 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
314 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
315 * cfgbuild.c (find_basic_blocks): Likewise.
316 * cfglayout.c (fixup_reorder_chain): Likewise.
317 * cfgrtl.c (create_basic_block_structure,
318 rtl_create_basic_block): Likewise.
319 * ifcvt.c (find_if_case_1): Likewise.
320 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
323 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
325 * Makefile.in: Removed rotted odf.c entry.
327 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
330 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
331 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
332 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
333 output pattern modifier, not %e.
334 * config/cris/cris.c (cris_op_str): Update comment about pattern
336 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
337 before falling through into...
338 <case 'E'>: Redefined from old 'e' case.
340 2006-01-11 Jan Hubicka <jh@suse.cz>
343 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
345 2006-01-11 Jan Hubicka <jh@suse.cz>
347 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
348 * i386.c (x86_decompose_lea): Kill.
349 (ix86_rtx_costs): Kill.
351 2006-01-11 Jan Hubicka <jh@suse.cz>
353 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
354 * cgraph.h (cgraph_node): Add inline_decl.
355 (cgraph_insert_node_to_hashtable): Declare.
356 (save_inline_function_body): Declare.
357 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
359 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
360 (cgraph_function_versioning): Update call of tree_function_versioning.
361 (save_inline_function_body): New function.
362 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
363 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
364 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
365 (cgraph_default_inline_p): Likewise.
366 (cgraph_decide_inlining_incrementally): Likewise.
367 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
368 (copy_bb): Kill saving; do updating of clones.
369 (copy_cfg_body): Kill saving.
370 (initialize_inlined-parameters): Likewise.
371 (expand_call_inline): Likewise.
373 (tree_function_versioning): New parameter "update_clones".
374 (inlining_p): Kill saving.
375 * tree-inline.h (tree_function_versioning): Update prototype.
376 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
379 2006-01-11 Ian Lance Taylor <ian@airs.com>
381 * combine.c (struct undo): Remove is_int. Enumify types of undos.
382 Allow undoing set of machine mode.
383 (do_SUBST): Use enums instead of is_int.
384 (do_SUBST_MODE): New function.
385 (SUBST_MODE): New macro.
386 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
387 reg and trying to replace reg_regno_rtx with a new register.
388 (undo_all): Use new enums, handle undoing a PUT_MODE change.
389 (simplify_set): Use SUBST_MODE.
390 (distribute_notes): Remove code that tried to update reg notes
391 for regno_reg_rtx changes.
393 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
395 PR tree-optimization/23109
396 PR tree-optimization/23948
397 PR tree-optimization/24123
399 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
400 * tree-cfg.c (single_noncomplex_succ): New.
401 * tree-flow.h (single_noncomplex_succ): Declare it.
402 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
403 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
404 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
405 insert_bb, register_division_in, insert_reciprocals,
406 replace_reciprocal, free_bb): New.
407 (execute_cse_reciprocals_1): Rewritten.
408 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
409 Do not commit any edge insertion. Always compute dominators and
410 create the allocation pool.
411 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
412 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
413 * targhooks.c (default_min_divistions_for_recip_mul): New.
414 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
415 * passes.c (init_optimization_passes): Run recip after tree loop
417 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
419 2005-01-11 Danny Berlin <dberlin@dberlin.org>
420 Kenneth Zadeck <zadeck@naturalbridge.com>
422 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
423 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
424 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
425 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
426 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
427 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
428 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
429 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
430 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
431 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
432 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
433 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
434 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
435 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
436 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
437 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
438 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
439 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
440 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
441 DF_SCAN_POST_ALLOC): New macros.
442 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
443 df_free_bb_function, df_local_compute_function, df_init_function,
444 df_dataflow_function, df_confluence_function_0,
445 df_confluence_function_n, df_transfer_function,
446 df_finalizer_function, df_free_function, df_dump_problem_function,
447 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
448 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
449 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
450 df_urec_bb_info, ) New types.
451 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
453 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
454 df_analyze_simple_change_some_blocks,
455 df_analyze_simple_change_one_block, df_compact_blocks,
456 df_bb_replace, df_bb_regno_last_use_find,
457 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
458 df_insn_regno_def_p, df_find_def, df_find_use,
459 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
460 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
461 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
462 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
463 debug_df_chain, df_get_dependent_problem, df_chain_create,
464 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
465 df_grow_bb_info, df_chain_dump, df_print_bb_index,
466 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
467 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
468 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
469 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
470 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
471 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
472 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
473 df_ref_remove, df_insn_refs_delete, df_refs_delete,
474 df_reorganize_refs, df_set_state, df_hard_reg_init,
475 df_read_modify_subreg_p) New public functions.
476 * df-core.c: The core dataflow solver and glue routines for rtl
478 (df_init, df_add_problem, df_set_blocks, df_finish,
479 df_hybrid_search_forward, df_hybrid_search_backward,
480 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
481 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
482 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
483 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
484 df_reg_defined, df_find_use, df_reg_used, df_dump,
485 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
486 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
487 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
488 debug_df_useno, reset_df_after_reload): New functions.
489 * df-scan.c: The scanning fuctions, once in df.c, completely
490 rewritten so that they now fully model the functionality of
491 register usage at the backend.
492 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
493 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
494 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
495 df_grow_insn_info, df_rescan_blocks, df_ref_create,
496 df_get_artificial_defs, df_get_artificial_uses,
497 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
498 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
499 df_refs_delete, df_reorganize_refs, df_set_state,
500 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
501 df_def_record_1, df_defs_record, df_uses_record,
502 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
503 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
504 df_record_exit_block_uses, df_hard_reg_init): New functions.
506 * df-problems.c: Seven concrete dataflow problems that use the
507 scanning in df-scan.c and are solved by the engine in df-core.c.
508 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
509 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
510 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
511 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
512 df_ru_free_bb_info, df_ru_alloc,
513 df_ru_bb_local_compute_process_def,
514 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
515 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
516 df_ru_transfer_function, df_ru_free, df_ru_dump,
517 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
518 df_rd_free_bb_info, df_rd_alloc,
519 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
520 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
521 df_rd_transfer_function, df_rd_free, df_rd_dump,
522 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
523 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
524 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
525 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
526 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
527 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
528 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
529 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
530 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
531 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
532 df_urec_mark_reg_change, df_urec_check_earlyclobber,
533 df_urec_mark_reg_use_for_earlyclobber,
534 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
535 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
536 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
537 df_urec_dump, df_urec_add_problem, df_chain_alloc,
538 df_chain_create_bb_process_use, df_chain_create_bb,
539 df_chain_finalize, df_chain_free, df_chains_dump,
540 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
541 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
542 df_reg_lifetime): New functions.
543 * df.c: Deleted file.
544 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
545 consistent with new df api.
546 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
547 rest_of_handle_sms): Ditto.
548 * web.c (unionfind_union, union_defs, entry_register, web_main):
550 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
551 invariant_expr_equal_p, find_defs, check_dependencies,
552 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
553 free_inv_motion_data, move_loop_invariants): Ditto.
554 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
556 (odf.c): Added defective entry that was deleted later in day.
557 * sched-deps.c (sched_analyze_1): Ditto.
559 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
561 * tree-ssa-operands.c (get_expr_operands): Record addressable
562 variables directly. Do not call add_stmt_operands for CONST_DECLs
564 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
565 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
567 2006-01-11 Ben Elliston <bje@au.ibm.com>
569 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
570 function returns true in the positive case.
572 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
575 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
576 for SI, DI, SF and DF modes. Add alternatives to copy between
577 general and floating point registers to the 32-bit patterns.
578 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
579 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
580 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
581 generating 64-bit code.
582 * config/pa/pa.c (output_move_double): Handle copies between general
583 and floating registers.
585 2006-01-10 Stuart Hastings <stuart@apple.com>
587 * config/i386/i386.md (set_got): Update.
588 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
589 (builtin_setjmp_receiver): Mach-O support.
590 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
591 (GOT_SYMBOL_NAME): Define.
592 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
593 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
594 * config/i386/i386.c (override_options): Revise for Darwin.
595 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
596 support. (darwin_x86_file_end): New. (output_set_got): Add label
597 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
598 * config/i386/i386-protos.h (output_set_got): Likewise.
599 * config/darwin.c (machopic_legitimize_pic_address): Update
602 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
604 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
605 when MODE isn't BLKmode.
607 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
609 PR rtl-optimization/25367
610 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
612 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
615 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
616 for a negative bound.
618 2006-01-10 Richard Guenther <rguenther@suse.de>
620 * tree-ssa-structalias.c (get_constraint_for_component_ref):
621 Never override with anything constraint.
623 2006-01-10 Jan Beulich <jbeulich@novell.com>
625 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
626 256 bits when optimize_size.
628 2006-01-10 Jan Beulich <jbeulich@novell.com>
630 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
632 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
633 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
636 2006-01-10 Ben Elliston <bje@au.ibm.com>
638 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
640 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
641 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
642 (USE_FP_FOR_ARG): Reject decimal float modes.
643 (function_arg_advance): Likewise.
644 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
645 (rs6000_handle_altivec_attribute): Do not permit decimal floating
646 point types in AltiVec vectors.
647 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
648 (rs6000_libcall_value): Likewise.
650 2006-01-09 Bob Wilson <bob.wilson@acm.org>
652 * config/xtensa/ieee754-df.S: New file.
653 * config/xtensa/ieee754-sf.S: New file.
654 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
655 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
656 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
658 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
660 * config/sh/predicates.md (binary_float_operator,
661 binary_logical_operator, commutative_float_operator,
662 equality_comparison_operator, greater_comparison_operator,
663 less_comparison_operator, logical_operator,
664 noncommutative_float_operator, shift_operator,
665 symbol_ref_operand, unary_float_operator): Remove redundant
668 2006-01-09 Jeff Law <law@redhat.com>
670 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
671 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
672 now unused arguments. Callers updated.
673 (eliminate_redundant_computations): Remove now unused arguments,
675 (local_fold): Remove, no longer used.
676 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
678 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
679 (simplify_cond): New function.
680 (forward_propagate_into_cond): Call simplify_cond.
682 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
684 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
685 (*vec_extractv2di_1_sse): New.
687 2006-01-09 Ben Elliston <bje@au.ibm.com>
689 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
691 2006-01-08 Richard Guenther <rguenther@suse.de>
693 * tree-ssa-structalias.c (get_constraint_for): Remove
695 (get_constraint_for_component_ref): Likewise.
696 (do_deref): Likewise.
697 (get_constraint_for): Likewise.
698 (do_structure_copy): Likewise.
699 (handle_ptr_arith): Likewise.
700 (find_func_aliases): Likewise. Remove unused need_anyoffset
703 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
704 Kaz Kojima <kkojima@gcc.gnu.org>
706 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
707 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
708 (EXTRA_CONSTRAINT_C16): Remove.
709 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
710 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
711 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
712 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
713 constants of SHmedia. Handle nested constant expressions of
715 (andcosts): Fix the costs for SHmedia constants.
716 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
717 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
718 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
719 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
720 (movv4hi_i, movv2si_i): Likewise.
721 (movsi_const): Adjust the second operand of ior so to match with
723 (movdi_const, movdi_const_32bit): Likewise.
724 (movdi_const_16bit+1): Don't sign-extend LOW.
725 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
727 (*double_shori): Fix the split condition. Use GEN_INT instead
728 of get_int_mode calls. Mask lower 16-bit of the argument of
730 (sym2GOTPLT): Remove.
731 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
733 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
734 instead of EXTRA_CONSTRAINT_C16.
736 2006-01-07 Ian Lance Taylor <ian@airs.com>
737 David Edelsohn <edelsohn@gnu.org>
739 PR rtl-optimization/25662
740 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
741 for constant operands instead of simplify_gen_binary.
742 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
743 after trying simplify_binary_operation
745 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
747 * tree.c (iterative_hash_expr): Hash decls based on UID.
749 2006-01-06 Eric Christopher <echristo@apple.com>
751 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
752 (TARGET_UNWIND_EMIT): Fix spelling.
753 * target.h (gcc_target): Add except_table_label.
754 * except.c (output_function_exception_table): Use.
755 * varasm.c (default_emit_except_table_label): New.
756 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
759 * output.h (default_emit_except_table_label): Prototype.
760 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
761 * config/darwin.c (darwin_emit_except_table_label): Define.
762 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
764 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
766 PR tree-optimization/18527
767 * tree-ssa-loop-niter.c (number_of_iterations_cond,
768 number_of_iterations_special, number_of_iterations_exit):
769 Move base and step of an iv to a single structure. Add
770 no_overflow flag, and use it in # of iterations analysis.
771 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
772 folded_casts argument.
773 (simple_iv): Pass base and step in a structure. Set no_overflow
775 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
776 Evaluate expensiveness of computing # of iterations instead of
777 the final expression.
778 * tree-scalar-evolution.h (affine_iv): New structure.
779 (simple_iv): Declaration changed.
780 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
781 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
782 find_givs_in_stmt): Changed due to simple_iv change.
784 2006-01-06 Jeff Law <law@redhat.com>
787 * tree-cfg.c (bsi_replace): Rename final argument from
788 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
789 change (stmt -> orig_stmt).
790 * tree-eh.c (verify_eh_throw_stmt_node): New function.
791 (bsi_remove): Add new argument. Remove EH information
793 (verify_eh_throw_table_statements): New function.
794 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
796 * tree-optimize.c (execute_free_cfg_annotations): Verify
797 the EH throw statement table after removing annotations.
798 * except.h (verify_eh_throw_table_statements): Prototype.
799 * tree-flow.h (bsi_remove): Update prototype.
800 * tree-vrp.c (remove_range_assertions): Add new argument to
802 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
803 * tree-complex.c (expand_complex_div_wide): Likewise.
804 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
805 * tree-tailcall.c (eliminate_tailcall): Likewise.
806 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
807 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
808 * tree-nrv.c (tree_nrv): Likewise.
809 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
810 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
811 (combine_blocks): Likewise.
812 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
813 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
814 (cleanup_control_flow): Likewise.
815 (remove_forwarder_block): Likewise.
816 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
817 * tree-sra.c (sra_replace): Likewise.
818 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
819 (forward_propagate_single_use_vars): Likewise.
820 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
821 * tree-inline.c (expand_call_inline): Likewise.
822 * tree-vect-transform.c (vect_transform_loop): Likewise.
823 * tree-outof-ssa.c (rewrite_trees): Likewise.
824 * tree-cfg.c (make_goto_expr_edges): Likewise.
825 (cleanup_dead_labels): Likewise.
826 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
827 (bsi_move_before, bsi_move_after): Likewise.
828 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
829 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
831 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
834 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
836 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
837 on non gimple variables. Also add checks at the top for decls and
839 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
841 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
842 and IMAGPART_EXPR for creating MUST_DEFs.
843 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
844 and NAME_MEMORY_TAG separately from the DECLs.
846 2006-01-06 Richard Guenther <rguenther@suse.de>
848 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
849 annotation, if necessary.
850 * tree-ssa-pre.c (create_expression_by_pieces): Remove
851 redundant calls to update_stmt.
852 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
855 2006-01-05 Richard Henderson <rth@redhat.com>
857 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
859 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
861 * c-typeck.c: Update copyright date.
863 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
865 * c-typeck.c (build_c_cast): Always warn when casting
866 from a pointer to an integer of different size, even if
867 the node was constant.
869 2006-01-05 Richard Guenther <rguenther@suse.de>
871 PR tree-optimization/22555
872 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
873 if one structure field is an array.
874 * tree-ssa-operands.c (get_expr_operands): Continue scanning
875 operands even if we found a subvar, but ignore VOPs in this
877 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
879 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
881 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
884 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
886 2006-01-05 Richard Guenther <rguenther@suse.de>
887 Diego Novillo <dnovillo@redhat.com>
889 * tree-pass.h (TODO_remove_unused_locals): Define.
890 * gimple-low.c (expand_var_p, remove_useless_vars,
891 pass_remove_useless_vars): Remove. Update all users.
892 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
893 (remove_unused_locals): New function.
894 * tree-flow.h (remove_unused_locals): Declare.
895 * passes.c (execute_todo): Call remove_unused_locals if
896 TODO_remove_unused_locals is set.
897 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
898 * tree-ssa-dce.c (pass_dce): Likewise.
899 * tree-outof-ssa.c (pass_del_ssa): Likewise.
901 2006-01-05 Richard Guenther <rguenther@suse.de>
903 * tree-flow.h (struct fieldoff): Decompose field to
905 * tree-ssa-alias.c (create_sft): Take type as parameter.
906 (create_overlap_variables_for): Store type, size and decl
907 in the fieldoff structure.
908 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
910 (push_fields_onto_fieldstack): Likewise.
911 (create_variable_info_for): Likewise. Use offset for the
912 SFT name if the decl is not available.
914 2006-01-04 Paul Brook <paul@codesourcery.com>
916 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
918 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
920 * lambda-code.c (can_put_in_inner_loop): Relax
922 (can_put_after_inner_loop): New function.
923 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
924 (perfect_nestify): Change to make copies and modify uses.
926 2006-01-04 Richard Henderson <rth@redhat.com>
928 Merge from gomp branch:
929 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
930 via integer constant.
931 (pragma_lex): Remove.
932 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
933 rather than parsing it.
934 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
935 handle_pragma_extern_prefix): Add %< %> quotes.
936 (registered_pragmas): New.
937 (c_register_pragma_1): New.
938 (c_register_pragma): Use it.
939 (c_register_pragma_with_expansion): Likewise.
940 (c_invoke_pragma_handler): New.
941 (init_pragma): Use cpp_register_deferred_pragma directly for
943 * c-pragma.h (enum pragma_kind): New.
944 (pragma_handler): New.
945 (c_invoke_pragma_handler): Declare.
946 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
948 * c-common.h (c_common_pch_pragma): Update decl.
949 * Makefile.in (c-parser.o): Update dependencies.
950 (GTFILES): Add c-pragma.h.
951 * c-parser.c (struct c_token): Add pragma_kind.
952 (struct c_parser): Add in_pragma.
953 (c_lex_one_token): Always initialize keyword and pragma_kind.
954 Extract data for CPP_PRAGMA.
955 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
956 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
957 Don't allow CPP_PRAGMA_EOL if in_pragma.
958 (c_parser_consume_pragma): New.
959 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
960 (c_parser_skip_to_end_of_parameter): Likewise.
961 (c_parser_skip_to_end_of_block_or_statement): Likewise.
962 (c_parser_skip_to_pragma_eol): New.
963 (c_parser_external_declaration): Handle CPP_PRAGMA.
964 (c_parser_compound_statement_nostart): Likewise.
965 (c_parser_statement_after_labels): Likewise.
966 (c_parser_pragma): New.
967 (pragma_lex): Likewise.
968 (c_parser_pragma_pch_preprocess): New.
969 (c_parser_new): Merge into ...
970 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
972 2006-01-04 Jeff Law <law@redhat.com>
975 * tree-cfg.c (bsi_replace): Remove the original statement
976 from the EH throw statement table.
978 2006-01-04 Jakub Jelinek <jakub@redhat.com>
980 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
981 make the prototype extern "C" and add throw ().
984 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
985 and pos non-negative and pos + len <= 32.
986 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
987 drop pos + len < HOST_BITS_PER_WIDE_INT test.
988 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
991 * c-common.c (handle_vector_size_attribute): Reject zero vector size
992 as well as sizes not multiple of component size.
995 * function.c (instantiate_expr): New function.
996 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
997 walk its DECL_VALUE_EXPR with instantiate_expr.
999 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
1000 DW_OP_deref{,_size} if address isn't going to be added.
1002 2006-01-04 Ben Elliston <bje@au.ibm.com>
1004 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
1005 * config/fp-bit.c: Likewise.
1007 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
1009 * dominance.c: Add comment about why we use DFS numbering
1012 2006-01-03 Jakub Jelinek <jakub@redhat.com>
1013 Richard Henderson <rth@redhat.com>
1015 Merge from gomp-branch:
1016 * varasm.c (assemble_variable): Handle thread-local COMMON data.
1017 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
1019 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
1021 PR rtl-optimization/25578
1022 * combine.c (combine_simplify_rtx, force_to_mode): Don't
1023 pass a parameter to simplify_shift_const if changing ASHIFTRT
1026 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
1028 * builtins.c (get_builtin_sync_mem): New function.
1029 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
1030 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
1031 Call get_builtin_sync_mem to generate mem rtx.
1033 2006-01-03 Richard Guenther <rguenther@suse.de>
1036 * stmt.c (add_case_node): Make sure to clear overflow flags
1039 2006-01-03 Jakub Jelinek <jakub@redhat.com>
1041 Merge from gomp-branch.
1042 * config/sparc/sync.md: New file.
1043 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
1044 UNSPECV_LDSTUB): New constants.
1045 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
1046 * config/sparc/predicates.md (memory_reg_operand): New predicate.
1047 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
1050 2006-01-03 Roger Sayle <roger@eyesopen.com>
1052 * combine.c (reg_subword_p): New predicate to test whether the
1053 destination of a set refers to a subword/piece of a register.
1054 (try_combine): Generalize the code to merge the setting of a
1055 pseudo to a constant followed by a set of a subword of that
1056 register to a constant.
1058 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
1060 * basic-block.h (control_flow_graph): Change the type of
1061 x_label_to_block_map to VEC(basic_block,gc) *.
1062 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
1063 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
1065 * tree-ssa-propagate.c (cfg_blocks): Change the type to
1066 VEC(basic_block,heap) *.
1067 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
1068 ssa_prop_fini): Adjust the uses of cfg_blocks.
1070 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
1072 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
1074 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
1075 hashing trees instead of a pointer hash.
1076 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
1077 compare for MEM_EXPR.
1079 PR rtl-optimization/25130
1080 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
1081 when comparing MEMs for GCSE
1083 2006-01-03 Ben Elliston <bje@au.ibm.com>
1085 * targhooks.h (default_decimal_float_supported_p): Declare.
1086 * targhooks.c (default_decimal_float_supported_p): Define.
1087 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
1088 `default_decimal_float_supported_p'.
1089 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
1091 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
1093 * combine.c (apply_distributive_law <SUBREG>): Check
1094 TRULY_NOOP_TRUNCATION.
1096 2006-01-02 Geoffrey Keating <geoffk@apple.com>
1098 * dwarf2out.c (have_switched_text_section): Delete.
1099 (have_multiple_function_sections): New.
1100 (have_location_lists): Make 'bool'.
1101 (add_AT_loc_list): Use 'true' not '1'.
1102 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
1103 (output_loc_list): Use have_multiple_function_sections.
1104 (output_ranges): Likewise.
1105 (dwarf2out_begin_function): Set have_multiple_function_sections if
1107 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
1108 Check function_section rather than DECL_SECTION_NAME.
1109 (dwarf2out_finish): Use have_multiple_function_sections.
1110 Don't clear have_location_lists.
1112 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
1113 Jan Hubicka <jh@suse.cz>
1115 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
1116 case of conditional jump jumping to the next instruction.
1117 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
1118 cases of conditional jump jumping to the next instruction.
1120 2006-01-02 Jan Hubicka <jh@suse.cz>
1122 * i386.c (*_cost): Add COSTS_N_INSNS.
1123 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
1125 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
1128 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
1130 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1132 * config/arm/arm.c (all_fpus): Fix comment typo.
1133 * config/darwin.c: Likewise.
1134 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
1135 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
1136 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
1138 2006-01-01 David Edelsohn <edelsohn@gnu.org>
1140 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
1141 (rs6000_split_compare_and_swapqhi): New.
1142 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
1143 (sync_compare_and_swapqhi_internal): New.
1144 * config/rs6000/rs6000-protos.h: Declare.