1 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3 PR tree-optimization/25485
4 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
6 is known to be false and true, respectively.
8 2006-01-14 Richard Guenther <rguenther@suse.de>
10 PR tree-optimization/22548
11 PR tree-optimization/22555
12 PR tree-optimization/22501
13 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14 * params.def (salias-max-array-elements): New parameter.
15 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16 * doc/invoke.texi (salias-max-array-elements): Document.
17 * tree-flow-inline.h (var_can_have_subvars): We also handle
19 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
21 * tree-ssa-structalias.c (params.h): Include.
22 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
23 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
24 (get_constraint_for): For ADDR_EXPR operating on something
25 containing an ARRAY_REF, add all subvars to the solution.
26 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
27 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
28 for creating MUST_DEFs.
29 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
31 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
33 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
35 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
36 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
37 number_of_iterations_le): New functions.
38 (number_of_iterations_special): Removed.
39 (number_of_iterations_exit): Do not use number_of_iterations_special.
40 * tree.c (unsigned_type_for): Always return integer type.
42 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
43 Richard Guenther <rguenther@suse.de>
45 PR rtl-optimization/24257
46 * gcse.c (find_moveable_store): Only consider a store movable
47 when the SET_SRC of the insn can be assigned to a register.
49 2006-01-14 Ian Lance Taylor <ian@airs.com>
51 * tree.c (tree_not_class_check_failed): New function.
52 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
53 (tree_not_class_check_failed): Declare.
55 2006-01-13 Ian Lance Taylor <ian@airs.com>
57 * reload1.c (do_output_reload): Add assertion rejecting a
60 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
62 * combine.c (struct reg_stat): Add new fields truncation_label and
64 (record_value_for_reg): Reset truncated_to_mode.
65 (record_truncated_value): New function.
66 (check_promoted_subreg): Call it. Rename to check_conversions.
67 (combine_instructions): Rename check_promoted_subreg to
69 (reg_truncated_to_mode): New function.
70 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
71 (gen_lowpart_or_truncate): New function.
72 (force_to_mode): Use it instead of gen_lowpart.
74 2006-01-13 Diego Novillo <dnovillo@redhat.com>
76 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
77 VAR is a tag, not its type tag.
79 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
81 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
82 alternatives to match style of other entries.
83 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
85 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
87 PR tree-optimization/25771
88 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
91 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
94 * tree-inline.c (declare_return_variable): If the return variable
95 was marked as a non gimple complex, set the return slot variable
96 to be a non gimple comple variable.
98 2006-01-13 Richard Guenther <rguenther@suse.de>
100 * builtins.c (expand_builtin_sincos): New function.
101 (expand_builtin_mathfn_3): Remove dead code, sin and cos
103 (expand_builtin): Expand sincos using expand_builtin_sincos.
105 2006-01-12 DJ Delorie <dj@redhat.com>
107 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
108 shift counts, separate SI shifts for m32c vs m16c, pass shift type
109 so that constant shifts can be split.
110 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
111 (m32c_valid_pointer_mode): Make static.
112 (shift_gen_func_for): New.
113 (m32c_prepare_shift): Use it. Split large const shifts into
115 * config/m32c/predicates.md (shiftcount_operand): Allow more
117 (longshiftcount_operand): New.
118 * doc/md.texi (Machine Constraints): Document In6.
120 2006-01-13 Ben Elliston <bje@au.ibm.com>
122 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
123 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
126 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
128 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
129 to try to avoid clobbering pieces of structures when we know
130 something about the whole structure.
131 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
133 2006-01-13 Ben Elliston <bje@au.ibm.com>
135 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
136 return in memory, as this is no limitation is no longer present.
138 2006-01-12 DJ Delorie <dj@redhat.com>
140 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
141 mova with fb, and for fb+0 -> An.
143 * config/m32c/mov.md (peephole2): Fix enabling logic.
145 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
146 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
147 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
148 FINI_ARRAY_SECTION_ASM_OP): Define.
150 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
152 (m32c_legitimize_reload_address): New logic to reload FB to An.
153 (m32c_output_reg_push): Add newline.
154 (m32c_output_reg_pop): Likewise.
156 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
158 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
160 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
162 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
164 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
166 * config/sh/predicates.md (sh_rep_vec): Add parallel to
169 2006-01-11 Ben Elliston <bje@au.ibm.com>
171 * rtlanal.c (find_reg_note): Assert insn is not null.
173 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
175 * df-scan.c (df_hard_reg_init): Move declaration of i outside
178 2006-01-11 Jeff Law <law@redhat.com>
180 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
182 (mark_threaded_blocks, register_jump_thread): New functions.
183 (thread_through_all_blocks): Remove unwanted argument. No
184 longer rely on e->aux to communicate thread target info.
185 Call mark_threaded_blocks. Release the threaded_blocks
186 bitmap and threaded_edges vector when complete.
187 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
188 (threaded_blocks): Remove.
189 (tree_ssa_dominator_optimize): Remove initialization and
190 finalization of threaded_blocks. Simplify call to
191 thread_through_all_blocks.
192 (thread_across_edge): Call register_jump_thread rather than
193 storing thread information into e->aux.
194 (free_all_edge_infos): Simplify now that e->aux is no longer
195 used to communicate with thread_through_all_blocks.
196 * tree-flow.h (thread_through_all_blocks): Update prototype.
197 (register_jump_thread): Prototype.
199 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
201 * df-core.c (df_compact_blocks, df_bb_replace): Use
202 SET_BASIC_BLOCK instead of BASIC_BLOCK.
204 2006-01-11 Richard Guenther <rguenther@suse.de>
206 PR tree-optimization/25734
207 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
208 stop propagation after successful propagation to the LHS.
210 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
212 * basic-block.h (control_flow_graph): Change the type of
213 x_basic_block_info to VEC(basic_block,gc) *.
214 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
216 (SET_BASIC_BLOCK): New.
217 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
218 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
219 * cfgbuild.c (find_basic_blocks): Likewise.
220 * cfglayout.c (fixup_reorder_chain): Likewise.
221 * cfgrtl.c (create_basic_block_structure,
222 rtl_create_basic_block): Likewise.
223 * ifcvt.c (find_if_case_1): Likewise.
224 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
227 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
229 * Makefile.in: Removed rotted odf.c entry.
231 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
234 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
235 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
236 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
237 output pattern modifier, not %e.
238 * config/cris/cris.c (cris_op_str): Update comment about pattern
240 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
241 before falling through into...
242 <case 'E'>: Redefined from old 'e' case.
244 2006-01-11 Jan Hubicka <jh@suse.cz>
247 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
249 2006-01-11 Jan Hubicka <jh@suse.cz>
251 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
252 * i386.c (x86_decompose_lea): Kill.
253 (ix86_rtx_costs): Kill.
255 2006-01-11 Jan Hubicka <jh@suse.cz>
257 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
258 * cgraph.h (cgraph_node): Add inline_decl.
259 (cgraph_insert_node_to_hashtable): Declare.
260 (save_inline_function_body): Declare.
261 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
263 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
264 (cgraph_function_versioning): Update call of tree_function_versioning.
265 (save_inline_function_body): New function.
266 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
267 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
268 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
269 (cgraph_default_inline_p): Likewise.
270 (cgraph_decide_inlining_incrementally): Likewise.
271 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
272 (copy_bb): Kill saving; do updating of clones.
273 (copy_cfg_body): Kill saving.
274 (initialize_inlined-parameters): Likewise.
275 (expand_call_inline): Likewise.
277 (tree_function_versioning): New parameter "update_clones".
278 (inlining_p): Kill saving.
279 * tree-inline.h (tree_function_versioning): Update prototype.
280 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
283 2006-01-11 Ian Lance Taylor <ian@airs.com>
285 * combine.c (struct undo): Remove is_int. Enumify types of undos.
286 Allow undoing set of machine mode.
287 (do_SUBST): Use enums instead of is_int.
288 (do_SUBST_MODE): New function.
289 (SUBST_MODE): New macro.
290 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
291 reg and trying to replace reg_regno_rtx with a new register.
292 (undo_all): Use new enums, handle undoing a PUT_MODE change.
293 (simplify_set): Use SUBST_MODE.
294 (distribute_notes): Remove code that tried to update reg notes
295 for regno_reg_rtx changes.
297 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
299 PR tree-optimization/23109
300 PR tree-optimization/23948
301 PR tree-optimization/24123
303 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
304 * tree-cfg.c (single_noncomplex_succ): New.
305 * tree-flow.h (single_noncomplex_succ): Declare it.
306 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
307 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
308 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
309 insert_bb, register_division_in, insert_reciprocals,
310 replace_reciprocal, free_bb): New.
311 (execute_cse_reciprocals_1): Rewritten.
312 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
313 Do not commit any edge insertion. Always compute dominators and
314 create the allocation pool.
315 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
316 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
317 * targhooks.c (default_min_divistions_for_recip_mul): New.
318 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
319 * passes.c (init_optimization_passes): Run recip after tree loop
321 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
323 2005-01-11 Danny Berlin <dberlin@dberlin.org>
324 Kenneth Zadeck <zadeck@naturalbridge.com>
326 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
327 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
328 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
329 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
330 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
331 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
332 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
333 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
334 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
335 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
336 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
337 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
338 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
339 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
340 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
341 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
342 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
343 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
344 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
345 DF_SCAN_POST_ALLOC): New macros.
346 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
347 df_free_bb_function, df_local_compute_function, df_init_function,
348 df_dataflow_function, df_confluence_function_0,
349 df_confluence_function_n, df_transfer_function,
350 df_finalizer_function, df_free_function, df_dump_problem_function,
351 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
352 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
353 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
354 df_urec_bb_info, ) New types.
355 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
357 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
358 df_analyze_simple_change_some_blocks,
359 df_analyze_simple_change_one_block, df_compact_blocks,
360 df_bb_replace, df_bb_regno_last_use_find,
361 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
362 df_insn_regno_def_p, df_find_def, df_find_use,
363 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
364 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
365 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
366 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
367 debug_df_chain, df_get_dependent_problem, df_chain_create,
368 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
369 df_grow_bb_info, df_chain_dump, df_print_bb_index,
370 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
371 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
372 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
373 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
374 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
375 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
376 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
377 df_ref_remove, df_insn_refs_delete, df_refs_delete,
378 df_reorganize_refs, df_set_state, df_hard_reg_init,
379 df_read_modify_subreg_p) New public functions.
380 * df-core.c: The core dataflow solver and glue routines for rtl
382 (df_init, df_add_problem, df_set_blocks, df_finish,
383 df_hybrid_search_forward, df_hybrid_search_backward,
384 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
385 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
386 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
387 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
388 df_reg_defined, df_find_use, df_reg_used, df_dump,
389 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
390 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
391 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
392 debug_df_useno, reset_df_after_reload): New functions.
393 * df-scan.c: The scanning fuctions, once in df.c, completely
394 rewritten so that they now fully model the functionality of
395 register usage at the backend.
396 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
397 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
398 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
399 df_grow_insn_info, df_rescan_blocks, df_ref_create,
400 df_get_artificial_defs, df_get_artificial_uses,
401 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
402 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
403 df_refs_delete, df_reorganize_refs, df_set_state,
404 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
405 df_def_record_1, df_defs_record, df_uses_record,
406 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
407 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
408 df_record_exit_block_uses, df_hard_reg_init): New functions.
410 * df-problems.c: Seven concrete dataflow problems that use the
411 scanning in df-scan.c and are solved by the engine in df-core.c.
412 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
413 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
414 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
415 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
416 df_ru_free_bb_info, df_ru_alloc,
417 df_ru_bb_local_compute_process_def,
418 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
419 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
420 df_ru_transfer_function, df_ru_free, df_ru_dump,
421 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
422 df_rd_free_bb_info, df_rd_alloc,
423 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
424 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
425 df_rd_transfer_function, df_rd_free, df_rd_dump,
426 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
427 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
428 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
429 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
430 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
431 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
432 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
433 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
434 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
435 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
436 df_urec_mark_reg_change, df_urec_check_earlyclobber,
437 df_urec_mark_reg_use_for_earlyclobber,
438 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
439 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
440 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
441 df_urec_dump, df_urec_add_problem, df_chain_alloc,
442 df_chain_create_bb_process_use, df_chain_create_bb,
443 df_chain_finalize, df_chain_free, df_chains_dump,
444 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
445 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
446 df_reg_lifetime): New functions.
447 * df.c: Deleted file.
448 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
449 consistent with new df api.
450 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
451 rest_of_handle_sms): Ditto.
452 * web.c (unionfind_union, union_defs, entry_register, web_main):
454 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
455 invariant_expr_equal_p, find_defs, check_dependencies,
456 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
457 free_inv_motion_data, move_loop_invariants): Ditto.
458 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
460 (odf.c): Added defective entry that was deleted later in day.
461 * sched-deps.c (sched_analyze_1): Ditto.
463 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
465 * tree-ssa-operands.c (get_expr_operands): Record addressable
466 variables directly. Do not call add_stmt_operands for CONST_DECLs
468 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
469 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
471 2006-01-11 Ben Elliston <bje@au.ibm.com>
473 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
474 function returns true in the positive case.
476 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
479 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
480 for SI, DI, SF and DF modes. Add alternatives to copy between
481 general and floating point registers to the 32-bit patterns.
482 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
483 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
484 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
485 generating 64-bit code.
486 * config/pa/pa.c (output_move_double): Handle copies between general
487 and floating registers.
489 2006-01-10 Stuart Hastings <stuart@apple.com>
491 * config/i386/i386.md (set_got): Update.
492 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
493 (builtin_setjmp_receiver): Mach-O support.
494 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
495 (GOT_SYMBOL_NAME): Define.
496 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
497 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
498 * config/i386/i386.c (override_options): Revise for Darwin.
499 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
500 support. (darwin_x86_file_end): New. (output_set_got): Add label
501 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
502 * config/i386/i386-protos.h (output_set_got): Likewise.
503 * config/darwin.c (machopic_legitimize_pic_address): Update
506 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
508 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
509 when MODE isn't BLKmode.
511 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
513 PR rtl-optimization/25367
514 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
516 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
519 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
520 for a negative bound.
522 2006-01-10 Richard Guenther <rguenther@suse.de>
524 * tree-ssa-structalias.c (get_constraint_for_component_ref):
525 Never override with anything constraint.
527 2006-01-10 Jan Beulich <jbeulich@novell.com>
529 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
530 256 bits when optimize_size.
532 2006-01-10 Jan Beulich <jbeulich@novell.com>
534 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
536 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
537 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
540 2006-01-10 Ben Elliston <bje@au.ibm.com>
542 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
544 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
545 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
546 (USE_FP_FOR_ARG): Reject decimal float modes.
547 (function_arg_advance): Likewise.
548 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
549 (rs6000_handle_altivec_attribute): Do not permit decimal floating
550 point types in AltiVec vectors.
551 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
552 (rs6000_libcall_value): Likewise.
554 2006-01-09 Bob Wilson <bob.wilson@acm.org>
556 * config/xtensa/ieee754-df.S: New file.
557 * config/xtensa/ieee754-sf.S: New file.
558 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
559 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
560 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
562 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
564 * config/sh/predicates.md (binary_float_operator,
565 binary_logical_operator, commutative_float_operator,
566 equality_comparison_operator, greater_comparison_operator,
567 less_comparison_operator, logical_operator,
568 noncommutative_float_operator, shift_operator,
569 symbol_ref_operand, unary_float_operator): Remove redundant
572 2006-01-09 Jeff Law <law@redhat.com>
574 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
575 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
576 now unused arguments. Callers updated.
577 (eliminate_redundant_computations): Remove now unused arguments,
579 (local_fold): Remove, no longer used.
580 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
582 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
583 (simplify_cond): New function.
584 (forward_propagate_into_cond): Call simplify_cond.
586 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
588 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
589 (*vec_extractv2di_1_sse): New.
591 2006-01-09 Ben Elliston <bje@au.ibm.com>
593 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
595 2006-01-08 Richard Guenther <rguenther@suse.de>
597 * tree-ssa-structalias.c (get_constraint_for): Remove
599 (get_constraint_for_component_ref): Likewise.
600 (do_deref): Likewise.
601 (get_constraint_for): Likewise.
602 (do_structure_copy): Likewise.
603 (handle_ptr_arith): Likewise.
604 (find_func_aliases): Likewise. Remove unused need_anyoffset
607 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
608 Kaz Kojima <kkojima@gcc.gnu.org>
610 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
611 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
612 (EXTRA_CONSTRAINT_C16): Remove.
613 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
614 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
615 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
616 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
617 constants of SHmedia. Handle nested constant expressions of
619 (andcosts): Fix the costs for SHmedia constants.
620 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
621 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
622 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
623 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
624 (movv4hi_i, movv2si_i): Likewise.
625 (movsi_const): Adjust the second operand of ior so to match with
627 (movdi_const, movdi_const_32bit): Likewise.
628 (movdi_const_16bit+1): Don't sign-extend LOW.
629 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
631 (*double_shori): Fix the split condition. Use GEN_INT instead
632 of get_int_mode calls. Mask lower 16-bit of the argument of
634 (sym2GOTPLT): Remove.
635 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
637 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
638 instead of EXTRA_CONSTRAINT_C16.
640 2006-01-07 Ian Lance Taylor <ian@airs.com>
641 David Edelsohn <edelsohn@gnu.org>
643 PR rtl-optimization/25662
644 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
645 for constant operands instead of simplify_gen_binary.
646 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
647 after trying simplify_binary_operation
649 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
651 * tree.c (iterative_hash_expr): Hash decls based on UID.
653 2006-01-06 Eric Christopher <echristo@apple.com>
655 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
656 (TARGET_UNWIND_EMIT): Fix spelling.
657 * target.h (gcc_target): Add except_table_label.
658 * except.c (output_function_exception_table): Use.
659 * varasm.c (default_emit_except_table_label): New.
660 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
663 * output.h (default_emit_except_table_label): Prototype.
664 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
665 * config/darwin.c (darwin_emit_except_table_label): Define.
666 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
668 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
670 PR tree-optimization/18527
671 * tree-ssa-loop-niter.c (number_of_iterations_cond,
672 number_of_iterations_special, number_of_iterations_exit):
673 Move base and step of an iv to a single structure. Add
674 no_overflow flag, and use it in # of iterations analysis.
675 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
676 folded_casts argument.
677 (simple_iv): Pass base and step in a structure. Set no_overflow
679 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
680 Evaluate expensiveness of computing # of iterations instead of
681 the final expression.
682 * tree-scalar-evolution.h (affine_iv): New structure.
683 (simple_iv): Declaration changed.
684 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
685 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
686 find_givs_in_stmt): Changed due to simple_iv change.
688 2006-01-06 Jeff Law <law@redhat.com>
691 * tree-cfg.c (bsi_replace): Rename final argument from
692 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
693 change (stmt -> orig_stmt).
694 * tree-eh.c (verify_eh_throw_stmt_node): New function.
695 (bsi_remove): Add new argument. Remove EH information
697 (verify_eh_throw_table_statements): New function.
698 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
700 * tree-optimize.c (execute_free_cfg_annotations): Verify
701 the EH throw statement table after removing annotations.
702 * except.h (verify_eh_throw_table_statements): Prototype.
703 * tree-flow.h (bsi_remove): Update prototype.
704 * tree-vrp.c (remove_range_assertions): Add new argument to
706 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
707 * tree-complex.c (expand_complex_div_wide): Likewise.
708 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
709 * tree-tailcall.c (eliminate_tailcall): Likewise.
710 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
711 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
712 * tree-nrv.c (tree_nrv): Likewise.
713 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
714 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
715 (combine_blocks): Likewise.
716 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
717 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
718 (cleanup_control_flow): Likewise.
719 (remove_forwarder_block): Likewise.
720 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
721 * tree-sra.c (sra_replace): Likewise.
722 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
723 (forward_propagate_single_use_vars): Likewise.
724 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
725 * tree-inline.c (expand_call_inline): Likewise.
726 * tree-vect-transform.c (vect_transform_loop): Likewise.
727 * tree-outof-ssa.c (rewrite_trees): Likewise.
728 * tree-cfg.c (make_goto_expr_edges): Likewise.
729 (cleanup_dead_labels): Likewise.
730 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
731 (bsi_move_before, bsi_move_after): Likewise.
732 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
733 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
735 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
738 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
740 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
741 on non gimple variables. Also add checks at the top for decls and
743 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
745 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
746 and IMAGPART_EXPR for creating MUST_DEFs.
747 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
748 and NAME_MEMORY_TAG separately from the DECLs.
750 2006-01-06 Richard Guenther <rguenther@suse.de>
752 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
753 annotation, if necessary.
754 * tree-ssa-pre.c (create_expression_by_pieces): Remove
755 redundant calls to update_stmt.
756 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
759 2006-01-05 Richard Henderson <rth@redhat.com>
761 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
763 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
765 * c-typeck.c: Update copyright date.
767 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
769 * c-typeck.c (build_c_cast): Always warn when casting
770 from a pointer to an integer of different size, even if
771 the node was constant.
773 2006-01-05 Richard Guenther <rguenther@suse.de>
775 PR tree-optimization/22555
776 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
777 if one structure field is an array.
778 * tree-ssa-operands.c (get_expr_operands): Continue scanning
779 operands even if we found a subvar, but ignore VOPs in this
781 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
783 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
785 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
788 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
790 2006-01-05 Richard Guenther <rguenther@suse.de>
791 Diego Novillo <dnovillo@redhat.com>
793 * tree-pass.h (TODO_remove_unused_locals): Define.
794 * gimple-low.c (expand_var_p, remove_useless_vars,
795 pass_remove_useless_vars): Remove. Update all users.
796 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
797 (remove_unused_locals): New function.
798 * tree-flow.h (remove_unused_locals): Declare.
799 * passes.c (execute_todo): Call remove_unused_locals if
800 TODO_remove_unused_locals is set.
801 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
802 * tree-ssa-dce.c (pass_dce): Likewise.
803 * tree-outof-ssa.c (pass_del_ssa): Likewise.
805 2006-01-05 Richard Guenther <rguenther@suse.de>
807 * tree-flow.h (struct fieldoff): Decompose field to
809 * tree-ssa-alias.c (create_sft): Take type as parameter.
810 (create_overlap_variables_for): Store type, size and decl
811 in the fieldoff structure.
812 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
814 (push_fields_onto_fieldstack): Likewise.
815 (create_variable_info_for): Likewise. Use offset for the
816 SFT name if the decl is not available.
818 2006-01-04 Paul Brook <paul@codesourcery.com>
820 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
822 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
824 * lambda-code.c (can_put_in_inner_loop): Relax
826 (can_put_after_inner_loop): New function.
827 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
828 (perfect_nestify): Change to make copies and modify uses.
830 2006-01-04 Richard Henderson <rth@redhat.com>
832 Merge from gomp branch:
833 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
834 via integer constant.
835 (pragma_lex): Remove.
836 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
837 rather than parsing it.
838 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
839 handle_pragma_extern_prefix): Add %< %> quotes.
840 (registered_pragmas): New.
841 (c_register_pragma_1): New.
842 (c_register_pragma): Use it.
843 (c_register_pragma_with_expansion): Likewise.
844 (c_invoke_pragma_handler): New.
845 (init_pragma): Use cpp_register_deferred_pragma directly for
847 * c-pragma.h (enum pragma_kind): New.
848 (pragma_handler): New.
849 (c_invoke_pragma_handler): Declare.
850 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
852 * c-common.h (c_common_pch_pragma): Update decl.
853 * Makefile.in (c-parser.o): Update dependencies.
854 (GTFILES): Add c-pragma.h.
855 * c-parser.c (struct c_token): Add pragma_kind.
856 (struct c_parser): Add in_pragma.
857 (c_lex_one_token): Always initialize keyword and pragma_kind.
858 Extract data for CPP_PRAGMA.
859 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
860 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
861 Don't allow CPP_PRAGMA_EOL if in_pragma.
862 (c_parser_consume_pragma): New.
863 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
864 (c_parser_skip_to_end_of_parameter): Likewise.
865 (c_parser_skip_to_end_of_block_or_statement): Likewise.
866 (c_parser_skip_to_pragma_eol): New.
867 (c_parser_external_declaration): Handle CPP_PRAGMA.
868 (c_parser_compound_statement_nostart): Likewise.
869 (c_parser_statement_after_labels): Likewise.
870 (c_parser_pragma): New.
871 (pragma_lex): Likewise.
872 (c_parser_pragma_pch_preprocess): New.
873 (c_parser_new): Merge into ...
874 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
876 2006-01-04 Jeff Law <law@redhat.com>
879 * tree-cfg.c (bsi_replace): Remove the original statement
880 from the EH throw statement table.
882 2006-01-04 Jakub Jelinek <jakub@redhat.com>
884 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
885 make the prototype extern "C" and add throw ().
888 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
889 and pos non-negative and pos + len <= 32.
890 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
891 drop pos + len < HOST_BITS_PER_WIDE_INT test.
892 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
895 * c-common.c (handle_vector_size_attribute): Reject zero vector size
896 as well as sizes not multiple of component size.
899 * function.c (instantiate_expr): New function.
900 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
901 walk its DECL_VALUE_EXPR with instantiate_expr.
903 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
904 DW_OP_deref{,_size} if address isn't going to be added.
906 2006-01-04 Ben Elliston <bje@au.ibm.com>
908 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
909 * config/fp-bit.c: Likewise.
911 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
913 * dominance.c: Add comment about why we use DFS numbering
916 2006-01-03 Jakub Jelinek <jakub@redhat.com>
917 Richard Henderson <rth@redhat.com>
919 Merge from gomp-branch:
920 * varasm.c (assemble_variable): Handle thread-local COMMON data.
921 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
923 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
925 PR rtl-optimization/25578
926 * combine.c (combine_simplify_rtx, force_to_mode): Don't
927 pass a parameter to simplify_shift_const if changing ASHIFTRT
930 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
932 * builtins.c (get_builtin_sync_mem): New function.
933 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
934 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
935 Call get_builtin_sync_mem to generate mem rtx.
937 2006-01-03 Richard Guenther <rguenther@suse.de>
940 * stmt.c (add_case_node): Make sure to clear overflow flags
943 2006-01-03 Jakub Jelinek <jakub@redhat.com>
945 Merge from gomp-branch.
946 * config/sparc/sync.md: New file.
947 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
948 UNSPECV_LDSTUB): New constants.
949 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
950 * config/sparc/predicates.md (memory_reg_operand): New predicate.
951 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
954 2006-01-03 Roger Sayle <roger@eyesopen.com>
956 * combine.c (reg_subword_p): New predicate to test whether the
957 destination of a set refers to a subword/piece of a register.
958 (try_combine): Generalize the code to merge the setting of a
959 pseudo to a constant followed by a set of a subword of that
960 register to a constant.
962 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
964 * basic-block.h (control_flow_graph): Change the type of
965 x_label_to_block_map to VEC(basic_block,gc) *.
966 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
967 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
969 * tree-ssa-propagate.c (cfg_blocks): Change the type to
970 VEC(basic_block,heap) *.
971 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
972 ssa_prop_fini): Adjust the uses of cfg_blocks.
974 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
976 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
978 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
979 hashing trees instead of a pointer hash.
980 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
981 compare for MEM_EXPR.
983 PR rtl-optimization/25130
984 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
985 when comparing MEMs for GCSE
987 2006-01-03 Ben Elliston <bje@au.ibm.com>
989 * targhooks.h (default_decimal_float_supported_p): Declare.
990 * targhooks.c (default_decimal_float_supported_p): Define.
991 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
992 `default_decimal_float_supported_p'.
993 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
995 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
997 * combine.c (apply_distributive_law <SUBREG>): Check
998 TRULY_NOOP_TRUNCATION.
1000 2006-01-02 Geoffrey Keating <geoffk@apple.com>
1002 * dwarf2out.c (have_switched_text_section): Delete.
1003 (have_multiple_function_sections): New.
1004 (have_location_lists): Make 'bool'.
1005 (add_AT_loc_list): Use 'true' not '1'.
1006 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
1007 (output_loc_list): Use have_multiple_function_sections.
1008 (output_ranges): Likewise.
1009 (dwarf2out_begin_function): Set have_multiple_function_sections if
1011 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
1012 Check function_section rather than DECL_SECTION_NAME.
1013 (dwarf2out_finish): Use have_multiple_function_sections.
1014 Don't clear have_location_lists.
1016 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
1017 Jan Hubicka <jh@suse.cz>
1019 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
1020 case of conditional jump jumping to the next instruction.
1021 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
1022 cases of conditional jump jumping to the next instruction.
1024 2006-01-02 Jan Hubicka <jh@suse.cz>
1026 * i386.c (*_cost): Add COSTS_N_INSNS.
1027 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
1029 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
1032 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
1034 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1036 * config/arm/arm.c (all_fpus): Fix comment typo.
1037 * config/darwin.c: Likewise.
1038 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
1039 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
1040 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
1042 2006-01-01 David Edelsohn <edelsohn@gnu.org>
1044 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
1045 (rs6000_split_compare_and_swapqhi): New.
1046 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
1047 (sync_compare_and_swapqhi_internal): New.
1048 * config/rs6000/rs6000-protos.h: Declare.