1 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4 vrp_int_const_binop returning non-constant nodes.
6 2006-01-16 Paul Brook <paul@codesourcery.com>
8 * config/m68k/m68k.c (output_move_const_into_data_reg):
9 Output correct mnemonic for mvz and mvs.
11 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13 * rtl-factoring.c : Add sequence abstraction algorithm.
14 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17 (block_has_preserve_label): New function.
18 * common.opt: Register new pass.
23 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
24 * rtl.h (make_jump_insn_raw): Add forward decl.
25 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
27 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
28 Roger Sayle <roger@eyesopen.com>
30 * fold-const.c (fold_minmax): New static function.
31 (fold_binary) <MIN_EXPR>: Call it.
33 * stor-layout.c (place_field): Use DECL_SIZE consistently
34 in the computation of the new record size.
36 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
38 * cse.c (cse_condition_code_reg): Make it static.
39 * rtl.h: Remove the prototype for cse_condition_code_reg.
41 * combine.c (combine_instructions): Make it static.
42 * rtl.h: Remove the prototype for combine_instructions.
44 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
47 * tree.c (get_file_function_name_long): Concatenate the first global
48 object name with a string derived from the input filename of the object
51 2006-01-16 Ben Elliston <bje@au.ibm.com>
53 * config/i386/winnt-stubs.c: Update FSF address.
54 * config/xtensa/ieee754-df.S: Ditto.
55 * config/xtensa/ieee754-sf.S: Ditto.
57 2006-01-14 Ian Lance Taylor <ian@airs.com>
59 * ifcvt.c (noce_init_if_info): New static function, broken out of
60 noce_process_if_block.
61 (noce_process_if_block): Call noce_init_if_info.
62 (check_cond_move_block): New static function.
63 (cond_move_process_if_block): New static function.
64 (process_if_block): Call cond_move_process_if_block.
66 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
68 * cselib.c (hash_table): Rename to cselib_hash_table.
69 (cselib_clear_table, discard_useless_values,
70 remove_useless_values, cselib_lookup_mem, cselib_lookup,
71 cselib_init, cselib_finish): Adjust uses of hash_table.
73 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
75 PR tree-optimization/25485
76 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
77 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
78 is known to be false and true, respectively.
80 2006-01-14 Richard Guenther <rguenther@suse.de>
82 PR tree-optimization/22548
83 PR tree-optimization/22555
84 PR tree-optimization/22501
85 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
86 * params.def (salias-max-array-elements): New parameter.
87 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
88 * doc/invoke.texi (salias-max-array-elements): Document.
89 * tree-flow-inline.h (var_can_have_subvars): We also handle
91 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
93 * tree-ssa-structalias.c (params.h): Include.
94 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
95 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
96 (get_constraint_for): For ADDR_EXPR operating on something
97 containing an ARRAY_REF, add all subvars to the solution.
98 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
99 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
100 for creating MUST_DEFs.
101 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
103 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
105 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
107 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
108 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
109 number_of_iterations_le): New functions.
110 (number_of_iterations_special): Removed.
111 (number_of_iterations_exit): Do not use number_of_iterations_special.
112 * tree.c (unsigned_type_for): Always return integer type.
114 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
115 Richard Guenther <rguenther@suse.de>
117 PR rtl-optimization/24257
118 * gcse.c (find_moveable_store): Only consider a store movable
119 when the SET_SRC of the insn can be assigned to a register.
121 2006-01-14 Ian Lance Taylor <ian@airs.com>
123 * tree.c (tree_not_class_check_failed): New function.
124 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
125 (tree_not_class_check_failed): Declare.
127 2006-01-13 Ian Lance Taylor <ian@airs.com>
129 * reload1.c (do_output_reload): Add assertion rejecting a
132 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
134 * combine.c (struct reg_stat): Add new fields truncation_label and
136 (record_value_for_reg): Reset truncated_to_mode.
137 (record_truncated_value): New function.
138 (check_promoted_subreg): Call it. Rename to check_conversions.
139 (combine_instructions): Rename check_promoted_subreg to
141 (reg_truncated_to_mode): New function.
142 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
143 (gen_lowpart_or_truncate): New function.
144 (force_to_mode): Use it instead of gen_lowpart.
146 2006-01-13 Diego Novillo <dnovillo@redhat.com>
148 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
149 VAR is a tag, not its type tag.
151 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
153 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
154 alternatives to match style of other entries.
155 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
157 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
159 PR tree-optimization/25771
160 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
163 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
166 * tree-inline.c (declare_return_variable): If the return variable
167 was marked as a non gimple complex, set the return slot variable
168 to be a non gimple comple variable.
170 2006-01-13 Richard Guenther <rguenther@suse.de>
172 * builtins.c (expand_builtin_sincos): New function.
173 (expand_builtin_mathfn_3): Remove dead code, sin and cos
175 (expand_builtin): Expand sincos using expand_builtin_sincos.
177 2006-01-12 DJ Delorie <dj@redhat.com>
179 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
180 shift counts, separate SI shifts for m32c vs m16c, pass shift type
181 so that constant shifts can be split.
182 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
183 (m32c_valid_pointer_mode): Make static.
184 (shift_gen_func_for): New.
185 (m32c_prepare_shift): Use it. Split large const shifts into
187 * config/m32c/predicates.md (shiftcount_operand): Allow more
189 (longshiftcount_operand): New.
190 * doc/md.texi (Machine Constraints): Document In6.
192 2006-01-13 Ben Elliston <bje@au.ibm.com>
194 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
195 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
198 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
200 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
201 to try to avoid clobbering pieces of structures when we know
202 something about the whole structure.
203 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
205 2006-01-13 Ben Elliston <bje@au.ibm.com>
207 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
208 return in memory, as this is no limitation is no longer present.
210 2006-01-12 DJ Delorie <dj@redhat.com>
212 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
213 mova with fb, and for fb+0 -> An.
215 * config/m32c/mov.md (peephole2): Fix enabling logic.
217 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
218 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
219 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
220 FINI_ARRAY_SECTION_ASM_OP): Define.
222 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
224 (m32c_legitimize_reload_address): New logic to reload FB to An.
225 (m32c_output_reg_push): Add newline.
226 (m32c_output_reg_pop): Likewise.
228 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
230 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
232 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
234 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
236 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
238 * config/sh/predicates.md (sh_rep_vec): Add parallel to
241 2006-01-11 Ben Elliston <bje@au.ibm.com>
243 * rtlanal.c (find_reg_note): Assert insn is not null.
245 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
247 * df-scan.c (df_hard_reg_init): Move declaration of i outside
250 2006-01-11 Jeff Law <law@redhat.com>
252 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
254 (mark_threaded_blocks, register_jump_thread): New functions.
255 (thread_through_all_blocks): Remove unwanted argument. No
256 longer rely on e->aux to communicate thread target info.
257 Call mark_threaded_blocks. Release the threaded_blocks
258 bitmap and threaded_edges vector when complete.
259 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
260 (threaded_blocks): Remove.
261 (tree_ssa_dominator_optimize): Remove initialization and
262 finalization of threaded_blocks. Simplify call to
263 thread_through_all_blocks.
264 (thread_across_edge): Call register_jump_thread rather than
265 storing thread information into e->aux.
266 (free_all_edge_infos): Simplify now that e->aux is no longer
267 used to communicate with thread_through_all_blocks.
268 * tree-flow.h (thread_through_all_blocks): Update prototype.
269 (register_jump_thread): Prototype.
271 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
273 * df-core.c (df_compact_blocks, df_bb_replace): Use
274 SET_BASIC_BLOCK instead of BASIC_BLOCK.
276 2006-01-11 Richard Guenther <rguenther@suse.de>
278 PR tree-optimization/25734
279 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
280 stop propagation after successful propagation to the LHS.
282 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
284 * basic-block.h (control_flow_graph): Change the type of
285 x_basic_block_info to VEC(basic_block,gc) *.
286 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
288 (SET_BASIC_BLOCK): New.
289 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
290 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
291 * cfgbuild.c (find_basic_blocks): Likewise.
292 * cfglayout.c (fixup_reorder_chain): Likewise.
293 * cfgrtl.c (create_basic_block_structure,
294 rtl_create_basic_block): Likewise.
295 * ifcvt.c (find_if_case_1): Likewise.
296 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
299 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
301 * Makefile.in: Removed rotted odf.c entry.
303 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
306 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
307 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
308 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
309 output pattern modifier, not %e.
310 * config/cris/cris.c (cris_op_str): Update comment about pattern
312 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
313 before falling through into...
314 <case 'E'>: Redefined from old 'e' case.
316 2006-01-11 Jan Hubicka <jh@suse.cz>
319 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
321 2006-01-11 Jan Hubicka <jh@suse.cz>
323 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
324 * i386.c (x86_decompose_lea): Kill.
325 (ix86_rtx_costs): Kill.
327 2006-01-11 Jan Hubicka <jh@suse.cz>
329 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
330 * cgraph.h (cgraph_node): Add inline_decl.
331 (cgraph_insert_node_to_hashtable): Declare.
332 (save_inline_function_body): Declare.
333 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
335 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
336 (cgraph_function_versioning): Update call of tree_function_versioning.
337 (save_inline_function_body): New function.
338 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
339 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
340 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
341 (cgraph_default_inline_p): Likewise.
342 (cgraph_decide_inlining_incrementally): Likewise.
343 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
344 (copy_bb): Kill saving; do updating of clones.
345 (copy_cfg_body): Kill saving.
346 (initialize_inlined-parameters): Likewise.
347 (expand_call_inline): Likewise.
349 (tree_function_versioning): New parameter "update_clones".
350 (inlining_p): Kill saving.
351 * tree-inline.h (tree_function_versioning): Update prototype.
352 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
355 2006-01-11 Ian Lance Taylor <ian@airs.com>
357 * combine.c (struct undo): Remove is_int. Enumify types of undos.
358 Allow undoing set of machine mode.
359 (do_SUBST): Use enums instead of is_int.
360 (do_SUBST_MODE): New function.
361 (SUBST_MODE): New macro.
362 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
363 reg and trying to replace reg_regno_rtx with a new register.
364 (undo_all): Use new enums, handle undoing a PUT_MODE change.
365 (simplify_set): Use SUBST_MODE.
366 (distribute_notes): Remove code that tried to update reg notes
367 for regno_reg_rtx changes.
369 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
371 PR tree-optimization/23109
372 PR tree-optimization/23948
373 PR tree-optimization/24123
375 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
376 * tree-cfg.c (single_noncomplex_succ): New.
377 * tree-flow.h (single_noncomplex_succ): Declare it.
378 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
379 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
380 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
381 insert_bb, register_division_in, insert_reciprocals,
382 replace_reciprocal, free_bb): New.
383 (execute_cse_reciprocals_1): Rewritten.
384 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
385 Do not commit any edge insertion. Always compute dominators and
386 create the allocation pool.
387 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
388 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
389 * targhooks.c (default_min_divistions_for_recip_mul): New.
390 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
391 * passes.c (init_optimization_passes): Run recip after tree loop
393 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
395 2005-01-11 Danny Berlin <dberlin@dberlin.org>
396 Kenneth Zadeck <zadeck@naturalbridge.com>
398 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
399 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
400 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
401 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
402 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
403 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
404 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
405 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
406 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
407 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
408 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
409 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
410 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
411 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
412 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
413 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
414 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
415 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
416 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
417 DF_SCAN_POST_ALLOC): New macros.
418 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
419 df_free_bb_function, df_local_compute_function, df_init_function,
420 df_dataflow_function, df_confluence_function_0,
421 df_confluence_function_n, df_transfer_function,
422 df_finalizer_function, df_free_function, df_dump_problem_function,
423 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
424 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
425 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
426 df_urec_bb_info, ) New types.
427 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
429 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
430 df_analyze_simple_change_some_blocks,
431 df_analyze_simple_change_one_block, df_compact_blocks,
432 df_bb_replace, df_bb_regno_last_use_find,
433 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
434 df_insn_regno_def_p, df_find_def, df_find_use,
435 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
436 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
437 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
438 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
439 debug_df_chain, df_get_dependent_problem, df_chain_create,
440 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
441 df_grow_bb_info, df_chain_dump, df_print_bb_index,
442 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
443 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
444 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
445 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
446 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
447 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
448 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
449 df_ref_remove, df_insn_refs_delete, df_refs_delete,
450 df_reorganize_refs, df_set_state, df_hard_reg_init,
451 df_read_modify_subreg_p) New public functions.
452 * df-core.c: The core dataflow solver and glue routines for rtl
454 (df_init, df_add_problem, df_set_blocks, df_finish,
455 df_hybrid_search_forward, df_hybrid_search_backward,
456 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
457 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
458 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
459 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
460 df_reg_defined, df_find_use, df_reg_used, df_dump,
461 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
462 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
463 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
464 debug_df_useno, reset_df_after_reload): New functions.
465 * df-scan.c: The scanning fuctions, once in df.c, completely
466 rewritten so that they now fully model the functionality of
467 register usage at the backend.
468 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
469 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
470 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
471 df_grow_insn_info, df_rescan_blocks, df_ref_create,
472 df_get_artificial_defs, df_get_artificial_uses,
473 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
474 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
475 df_refs_delete, df_reorganize_refs, df_set_state,
476 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
477 df_def_record_1, df_defs_record, df_uses_record,
478 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
479 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
480 df_record_exit_block_uses, df_hard_reg_init): New functions.
482 * df-problems.c: Seven concrete dataflow problems that use the
483 scanning in df-scan.c and are solved by the engine in df-core.c.
484 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
485 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
486 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
487 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
488 df_ru_free_bb_info, df_ru_alloc,
489 df_ru_bb_local_compute_process_def,
490 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
491 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
492 df_ru_transfer_function, df_ru_free, df_ru_dump,
493 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
494 df_rd_free_bb_info, df_rd_alloc,
495 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
496 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
497 df_rd_transfer_function, df_rd_free, df_rd_dump,
498 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
499 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
500 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
501 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
502 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
503 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
504 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
505 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
506 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
507 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
508 df_urec_mark_reg_change, df_urec_check_earlyclobber,
509 df_urec_mark_reg_use_for_earlyclobber,
510 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
511 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
512 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
513 df_urec_dump, df_urec_add_problem, df_chain_alloc,
514 df_chain_create_bb_process_use, df_chain_create_bb,
515 df_chain_finalize, df_chain_free, df_chains_dump,
516 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
517 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
518 df_reg_lifetime): New functions.
519 * df.c: Deleted file.
520 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
521 consistent with new df api.
522 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
523 rest_of_handle_sms): Ditto.
524 * web.c (unionfind_union, union_defs, entry_register, web_main):
526 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
527 invariant_expr_equal_p, find_defs, check_dependencies,
528 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
529 free_inv_motion_data, move_loop_invariants): Ditto.
530 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
532 (odf.c): Added defective entry that was deleted later in day.
533 * sched-deps.c (sched_analyze_1): Ditto.
535 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
537 * tree-ssa-operands.c (get_expr_operands): Record addressable
538 variables directly. Do not call add_stmt_operands for CONST_DECLs
540 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
541 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
543 2006-01-11 Ben Elliston <bje@au.ibm.com>
545 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
546 function returns true in the positive case.
548 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
551 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
552 for SI, DI, SF and DF modes. Add alternatives to copy between
553 general and floating point registers to the 32-bit patterns.
554 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
555 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
556 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
557 generating 64-bit code.
558 * config/pa/pa.c (output_move_double): Handle copies between general
559 and floating registers.
561 2006-01-10 Stuart Hastings <stuart@apple.com>
563 * config/i386/i386.md (set_got): Update.
564 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
565 (builtin_setjmp_receiver): Mach-O support.
566 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
567 (GOT_SYMBOL_NAME): Define.
568 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
569 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
570 * config/i386/i386.c (override_options): Revise for Darwin.
571 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
572 support. (darwin_x86_file_end): New. (output_set_got): Add label
573 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
574 * config/i386/i386-protos.h (output_set_got): Likewise.
575 * config/darwin.c (machopic_legitimize_pic_address): Update
578 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
580 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
581 when MODE isn't BLKmode.
583 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
585 PR rtl-optimization/25367
586 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
588 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
591 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
592 for a negative bound.
594 2006-01-10 Richard Guenther <rguenther@suse.de>
596 * tree-ssa-structalias.c (get_constraint_for_component_ref):
597 Never override with anything constraint.
599 2006-01-10 Jan Beulich <jbeulich@novell.com>
601 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
602 256 bits when optimize_size.
604 2006-01-10 Jan Beulich <jbeulich@novell.com>
606 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
608 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
609 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
612 2006-01-10 Ben Elliston <bje@au.ibm.com>
614 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
616 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
617 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
618 (USE_FP_FOR_ARG): Reject decimal float modes.
619 (function_arg_advance): Likewise.
620 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
621 (rs6000_handle_altivec_attribute): Do not permit decimal floating
622 point types in AltiVec vectors.
623 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
624 (rs6000_libcall_value): Likewise.
626 2006-01-09 Bob Wilson <bob.wilson@acm.org>
628 * config/xtensa/ieee754-df.S: New file.
629 * config/xtensa/ieee754-sf.S: New file.
630 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
631 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
632 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
634 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
636 * config/sh/predicates.md (binary_float_operator,
637 binary_logical_operator, commutative_float_operator,
638 equality_comparison_operator, greater_comparison_operator,
639 less_comparison_operator, logical_operator,
640 noncommutative_float_operator, shift_operator,
641 symbol_ref_operand, unary_float_operator): Remove redundant
644 2006-01-09 Jeff Law <law@redhat.com>
646 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
647 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
648 now unused arguments. Callers updated.
649 (eliminate_redundant_computations): Remove now unused arguments,
651 (local_fold): Remove, no longer used.
652 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
654 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
655 (simplify_cond): New function.
656 (forward_propagate_into_cond): Call simplify_cond.
658 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
660 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
661 (*vec_extractv2di_1_sse): New.
663 2006-01-09 Ben Elliston <bje@au.ibm.com>
665 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
667 2006-01-08 Richard Guenther <rguenther@suse.de>
669 * tree-ssa-structalias.c (get_constraint_for): Remove
671 (get_constraint_for_component_ref): Likewise.
672 (do_deref): Likewise.
673 (get_constraint_for): Likewise.
674 (do_structure_copy): Likewise.
675 (handle_ptr_arith): Likewise.
676 (find_func_aliases): Likewise. Remove unused need_anyoffset
679 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
680 Kaz Kojima <kkojima@gcc.gnu.org>
682 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
683 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
684 (EXTRA_CONSTRAINT_C16): Remove.
685 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
686 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
687 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
688 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
689 constants of SHmedia. Handle nested constant expressions of
691 (andcosts): Fix the costs for SHmedia constants.
692 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
693 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
694 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
695 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
696 (movv4hi_i, movv2si_i): Likewise.
697 (movsi_const): Adjust the second operand of ior so to match with
699 (movdi_const, movdi_const_32bit): Likewise.
700 (movdi_const_16bit+1): Don't sign-extend LOW.
701 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
703 (*double_shori): Fix the split condition. Use GEN_INT instead
704 of get_int_mode calls. Mask lower 16-bit of the argument of
706 (sym2GOTPLT): Remove.
707 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
709 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
710 instead of EXTRA_CONSTRAINT_C16.
712 2006-01-07 Ian Lance Taylor <ian@airs.com>
713 David Edelsohn <edelsohn@gnu.org>
715 PR rtl-optimization/25662
716 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
717 for constant operands instead of simplify_gen_binary.
718 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
719 after trying simplify_binary_operation
721 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
723 * tree.c (iterative_hash_expr): Hash decls based on UID.
725 2006-01-06 Eric Christopher <echristo@apple.com>
727 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
728 (TARGET_UNWIND_EMIT): Fix spelling.
729 * target.h (gcc_target): Add except_table_label.
730 * except.c (output_function_exception_table): Use.
731 * varasm.c (default_emit_except_table_label): New.
732 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
735 * output.h (default_emit_except_table_label): Prototype.
736 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
737 * config/darwin.c (darwin_emit_except_table_label): Define.
738 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
740 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
742 PR tree-optimization/18527
743 * tree-ssa-loop-niter.c (number_of_iterations_cond,
744 number_of_iterations_special, number_of_iterations_exit):
745 Move base and step of an iv to a single structure. Add
746 no_overflow flag, and use it in # of iterations analysis.
747 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
748 folded_casts argument.
749 (simple_iv): Pass base and step in a structure. Set no_overflow
751 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
752 Evaluate expensiveness of computing # of iterations instead of
753 the final expression.
754 * tree-scalar-evolution.h (affine_iv): New structure.
755 (simple_iv): Declaration changed.
756 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
757 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
758 find_givs_in_stmt): Changed due to simple_iv change.
760 2006-01-06 Jeff Law <law@redhat.com>
763 * tree-cfg.c (bsi_replace): Rename final argument from
764 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
765 change (stmt -> orig_stmt).
766 * tree-eh.c (verify_eh_throw_stmt_node): New function.
767 (bsi_remove): Add new argument. Remove EH information
769 (verify_eh_throw_table_statements): New function.
770 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
772 * tree-optimize.c (execute_free_cfg_annotations): Verify
773 the EH throw statement table after removing annotations.
774 * except.h (verify_eh_throw_table_statements): Prototype.
775 * tree-flow.h (bsi_remove): Update prototype.
776 * tree-vrp.c (remove_range_assertions): Add new argument to
778 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
779 * tree-complex.c (expand_complex_div_wide): Likewise.
780 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
781 * tree-tailcall.c (eliminate_tailcall): Likewise.
782 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
783 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
784 * tree-nrv.c (tree_nrv): Likewise.
785 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
786 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
787 (combine_blocks): Likewise.
788 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
789 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
790 (cleanup_control_flow): Likewise.
791 (remove_forwarder_block): Likewise.
792 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
793 * tree-sra.c (sra_replace): Likewise.
794 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
795 (forward_propagate_single_use_vars): Likewise.
796 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
797 * tree-inline.c (expand_call_inline): Likewise.
798 * tree-vect-transform.c (vect_transform_loop): Likewise.
799 * tree-outof-ssa.c (rewrite_trees): Likewise.
800 * tree-cfg.c (make_goto_expr_edges): Likewise.
801 (cleanup_dead_labels): Likewise.
802 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
803 (bsi_move_before, bsi_move_after): Likewise.
804 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
805 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
807 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
810 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
812 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
813 on non gimple variables. Also add checks at the top for decls and
815 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
817 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
818 and IMAGPART_EXPR for creating MUST_DEFs.
819 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
820 and NAME_MEMORY_TAG separately from the DECLs.
822 2006-01-06 Richard Guenther <rguenther@suse.de>
824 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
825 annotation, if necessary.
826 * tree-ssa-pre.c (create_expression_by_pieces): Remove
827 redundant calls to update_stmt.
828 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
831 2006-01-05 Richard Henderson <rth@redhat.com>
833 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
835 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
837 * c-typeck.c: Update copyright date.
839 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
841 * c-typeck.c (build_c_cast): Always warn when casting
842 from a pointer to an integer of different size, even if
843 the node was constant.
845 2006-01-05 Richard Guenther <rguenther@suse.de>
847 PR tree-optimization/22555
848 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
849 if one structure field is an array.
850 * tree-ssa-operands.c (get_expr_operands): Continue scanning
851 operands even if we found a subvar, but ignore VOPs in this
853 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
855 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
857 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
860 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
862 2006-01-05 Richard Guenther <rguenther@suse.de>
863 Diego Novillo <dnovillo@redhat.com>
865 * tree-pass.h (TODO_remove_unused_locals): Define.
866 * gimple-low.c (expand_var_p, remove_useless_vars,
867 pass_remove_useless_vars): Remove. Update all users.
868 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
869 (remove_unused_locals): New function.
870 * tree-flow.h (remove_unused_locals): Declare.
871 * passes.c (execute_todo): Call remove_unused_locals if
872 TODO_remove_unused_locals is set.
873 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
874 * tree-ssa-dce.c (pass_dce): Likewise.
875 * tree-outof-ssa.c (pass_del_ssa): Likewise.
877 2006-01-05 Richard Guenther <rguenther@suse.de>
879 * tree-flow.h (struct fieldoff): Decompose field to
881 * tree-ssa-alias.c (create_sft): Take type as parameter.
882 (create_overlap_variables_for): Store type, size and decl
883 in the fieldoff structure.
884 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
886 (push_fields_onto_fieldstack): Likewise.
887 (create_variable_info_for): Likewise. Use offset for the
888 SFT name if the decl is not available.
890 2006-01-04 Paul Brook <paul@codesourcery.com>
892 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
894 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
896 * lambda-code.c (can_put_in_inner_loop): Relax
898 (can_put_after_inner_loop): New function.
899 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
900 (perfect_nestify): Change to make copies and modify uses.
902 2006-01-04 Richard Henderson <rth@redhat.com>
904 Merge from gomp branch:
905 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
906 via integer constant.
907 (pragma_lex): Remove.
908 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
909 rather than parsing it.
910 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
911 handle_pragma_extern_prefix): Add %< %> quotes.
912 (registered_pragmas): New.
913 (c_register_pragma_1): New.
914 (c_register_pragma): Use it.
915 (c_register_pragma_with_expansion): Likewise.
916 (c_invoke_pragma_handler): New.
917 (init_pragma): Use cpp_register_deferred_pragma directly for
919 * c-pragma.h (enum pragma_kind): New.
920 (pragma_handler): New.
921 (c_invoke_pragma_handler): Declare.
922 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
924 * c-common.h (c_common_pch_pragma): Update decl.
925 * Makefile.in (c-parser.o): Update dependencies.
926 (GTFILES): Add c-pragma.h.
927 * c-parser.c (struct c_token): Add pragma_kind.
928 (struct c_parser): Add in_pragma.
929 (c_lex_one_token): Always initialize keyword and pragma_kind.
930 Extract data for CPP_PRAGMA.
931 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
932 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
933 Don't allow CPP_PRAGMA_EOL if in_pragma.
934 (c_parser_consume_pragma): New.
935 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
936 (c_parser_skip_to_end_of_parameter): Likewise.
937 (c_parser_skip_to_end_of_block_or_statement): Likewise.
938 (c_parser_skip_to_pragma_eol): New.
939 (c_parser_external_declaration): Handle CPP_PRAGMA.
940 (c_parser_compound_statement_nostart): Likewise.
941 (c_parser_statement_after_labels): Likewise.
942 (c_parser_pragma): New.
943 (pragma_lex): Likewise.
944 (c_parser_pragma_pch_preprocess): New.
945 (c_parser_new): Merge into ...
946 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
948 2006-01-04 Jeff Law <law@redhat.com>
951 * tree-cfg.c (bsi_replace): Remove the original statement
952 from the EH throw statement table.
954 2006-01-04 Jakub Jelinek <jakub@redhat.com>
956 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
957 make the prototype extern "C" and add throw ().
960 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
961 and pos non-negative and pos + len <= 32.
962 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
963 drop pos + len < HOST_BITS_PER_WIDE_INT test.
964 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
967 * c-common.c (handle_vector_size_attribute): Reject zero vector size
968 as well as sizes not multiple of component size.
971 * function.c (instantiate_expr): New function.
972 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
973 walk its DECL_VALUE_EXPR with instantiate_expr.
975 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
976 DW_OP_deref{,_size} if address isn't going to be added.
978 2006-01-04 Ben Elliston <bje@au.ibm.com>
980 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
981 * config/fp-bit.c: Likewise.
983 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
985 * dominance.c: Add comment about why we use DFS numbering
988 2006-01-03 Jakub Jelinek <jakub@redhat.com>
989 Richard Henderson <rth@redhat.com>
991 Merge from gomp-branch:
992 * varasm.c (assemble_variable): Handle thread-local COMMON data.
993 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
995 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
997 PR rtl-optimization/25578
998 * combine.c (combine_simplify_rtx, force_to_mode): Don't
999 pass a parameter to simplify_shift_const if changing ASHIFTRT
1002 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
1004 * builtins.c (get_builtin_sync_mem): New function.
1005 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
1006 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
1007 Call get_builtin_sync_mem to generate mem rtx.
1009 2006-01-03 Richard Guenther <rguenther@suse.de>
1012 * stmt.c (add_case_node): Make sure to clear overflow flags
1015 2006-01-03 Jakub Jelinek <jakub@redhat.com>
1017 Merge from gomp-branch.
1018 * config/sparc/sync.md: New file.
1019 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
1020 UNSPECV_LDSTUB): New constants.
1021 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
1022 * config/sparc/predicates.md (memory_reg_operand): New predicate.
1023 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
1026 2006-01-03 Roger Sayle <roger@eyesopen.com>
1028 * combine.c (reg_subword_p): New predicate to test whether the
1029 destination of a set refers to a subword/piece of a register.
1030 (try_combine): Generalize the code to merge the setting of a
1031 pseudo to a constant followed by a set of a subword of that
1032 register to a constant.
1034 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
1036 * basic-block.h (control_flow_graph): Change the type of
1037 x_label_to_block_map to VEC(basic_block,gc) *.
1038 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
1039 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
1041 * tree-ssa-propagate.c (cfg_blocks): Change the type to
1042 VEC(basic_block,heap) *.
1043 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
1044 ssa_prop_fini): Adjust the uses of cfg_blocks.
1046 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
1048 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
1050 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
1051 hashing trees instead of a pointer hash.
1052 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
1053 compare for MEM_EXPR.
1055 PR rtl-optimization/25130
1056 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
1057 when comparing MEMs for GCSE
1059 2006-01-03 Ben Elliston <bje@au.ibm.com>
1061 * targhooks.h (default_decimal_float_supported_p): Declare.
1062 * targhooks.c (default_decimal_float_supported_p): Define.
1063 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
1064 `default_decimal_float_supported_p'.
1065 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
1067 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
1069 * combine.c (apply_distributive_law <SUBREG>): Check
1070 TRULY_NOOP_TRUNCATION.
1072 2006-01-02 Geoffrey Keating <geoffk@apple.com>
1074 * dwarf2out.c (have_switched_text_section): Delete.
1075 (have_multiple_function_sections): New.
1076 (have_location_lists): Make 'bool'.
1077 (add_AT_loc_list): Use 'true' not '1'.
1078 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
1079 (output_loc_list): Use have_multiple_function_sections.
1080 (output_ranges): Likewise.
1081 (dwarf2out_begin_function): Set have_multiple_function_sections if
1083 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
1084 Check function_section rather than DECL_SECTION_NAME.
1085 (dwarf2out_finish): Use have_multiple_function_sections.
1086 Don't clear have_location_lists.
1088 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
1089 Jan Hubicka <jh@suse.cz>
1091 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
1092 case of conditional jump jumping to the next instruction.
1093 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
1094 cases of conditional jump jumping to the next instruction.
1096 2006-01-02 Jan Hubicka <jh@suse.cz>
1098 * i386.c (*_cost): Add COSTS_N_INSNS.
1099 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
1101 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
1104 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
1106 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1108 * config/arm/arm.c (all_fpus): Fix comment typo.
1109 * config/darwin.c: Likewise.
1110 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
1111 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
1112 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
1114 2006-01-01 David Edelsohn <edelsohn@gnu.org>
1116 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
1117 (rs6000_split_compare_and_swapqhi): New.
1118 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
1119 (sync_compare_and_swapqhi_internal): New.
1120 * config/rs6000/rs6000-protos.h: Declare.