1 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2 Kazu Hirata <kazu@codesourcery.com>
4 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
6 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8 * Makefile.in (FUNCTION_H): New. Use it instead of
9 function.h throughout the file.
10 * function.h: Include tree.h.
12 2006-01-17 Ben Elliston <bje@au.ibm.com>
14 * recog.c: Separate some functions with whitespace.
16 2006-01-16 Richard Henderson <rth@redhat.com>
18 Merge from gomp branch:
19 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
21 and rename from struct inline_data. Rename callee* to dst*;
22 caller* to src*; add copy_decl hook, transform_call_graph_edges,
23 transform_new_cfg, transform_return_to_modify, and
24 transform_lang_insert_block flags; remove cloning_p, versioning_p,
26 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
27 (copy_decl_for_dup): Remove.
28 * tree-inline.c (struct inline_data): Move to header.
29 (insert_decl_map): Export.
30 (remap_decl): Update for member name changes. Use copy_decl hook.
31 Allow for replacement to be a non-decl. Remove dead code.
32 (remap_type_1): Check for existing mapping.
34 (remap_decls): Update for member name changes.
35 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
36 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
37 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
38 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
39 (tree_function_versioning, build_duplicate_type): Likewise.
40 (copy_body_r): Likewise. Export.
41 (copy_decl_for_dup): Split into ...
42 (copy_decl_for_dup_finish, copy_decl_to_var,
43 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
44 (replace_ref_tree, inlining_p): Remove.
46 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
48 * ifcvt.c (if_convert): Make it static.
49 * rtl.h: Remove the prototype for if_convert.
51 * local-alloc.c (local_alloc): Make it static.
52 * rtl.h: Remove the prototype for local_alloc.
54 * loop.c (loop_optimize): Make it static.
55 * cfgloop.h: Remove the prototype for loop_optimize.
58 2006-01-16 DJ Delorie <dj@redhat.com>
60 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
63 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
65 * pa.md: Disparage copies between general and floating-point registers
66 in 32-bit move patterns.
68 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
71 * Makefile.in (check-%): Depend on site.exp instead of
72 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
75 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
77 * global.c (global_alloc): Make it static.
78 * rtl.h: Remove the prototype for global_alloc.
80 2006-01-16 Richard Guenther <rguenther@suse.de>
82 * tree-ssa-alias.c (struct used_part): Add write_only field.
83 (get_or_create_used_part_for): Initialize it to true.
84 (create_overlap_variables_for): Don't create structure variables
85 for structures that only are written to.
86 (find_used_portions): Handle MODIFY_EXPR to track whether a
87 structure is only written to.
89 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
91 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
93 * basic-block.h: Remove the prototype for
94 partition_hot_cold_basic_blocks.
96 2006-01-16 Rafael
\81Ã
\81vila de Esp
\81Ã
\81ndola <rafael.espindola@gmail.com>
98 * cppspec.c (lang_specific_spec_functions): remove
99 * gcc.c (lookup_spec_function): use static_spec_functions directelly
100 * gcc.h (lang_specific_spec_functions): remove
101 * gccspec.c (lang_specific_spec_functions): remove
103 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
105 * combine.c (record_value_for_reg): Invalidate registers
107 (record_dead_and_set_regs_1): Likewise, by passing them to
108 record_value_for_reg.
109 (record_dead_and_set_regs): Invalidate stores made by a
110 call. We do not combine across a call, but we still
111 relied on equivalences.
113 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
115 * tree-vrp.c (extract_range_from_binary_expr): Cope with
116 vrp_int_const_binop returning non-constant nodes.
118 2006-01-16 Paul Brook <paul@codesourcery.com>
120 * config/m68k/m68k.c (output_move_const_into_data_reg):
121 Output correct mnemonic for mvz and mvs.
123 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
125 * rtl-factoring.c : Add sequence abstraction algorithm.
126 * cfgcleanup.c (outgoing_edges_match): Extra checks.
127 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
129 (block_has_preserve_label): New function.
130 * common.opt: Register new pass.
131 * Makefile.in: Ditto.
133 * timevar.def: Ditto.
134 * tree-pass.h: Ditto.
135 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
136 * rtl.h (make_jump_insn_raw): Add forward decl.
137 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
139 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
140 Roger Sayle <roger@eyesopen.com>
142 * fold-const.c (fold_minmax): New static function.
143 (fold_binary) <MIN_EXPR>: Call it.
144 <MAX_EXPR>: Likewise.
145 * stor-layout.c (place_field): Use DECL_SIZE consistently
146 in the computation of the new record size.
148 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
150 * cse.c (cse_condition_code_reg): Make it static.
151 * rtl.h: Remove the prototype for cse_condition_code_reg.
153 * combine.c (combine_instructions): Make it static.
154 * rtl.h: Remove the prototype for combine_instructions.
156 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
159 * tree.c (get_file_function_name_long): Concatenate the first global
160 object name with a string derived from the input filename of the object
163 2006-01-16 Ben Elliston <bje@au.ibm.com>
165 * config/i386/winnt-stubs.c: Update FSF address.
166 * config/xtensa/ieee754-df.S: Ditto.
167 * config/xtensa/ieee754-sf.S: Ditto.
169 2006-01-14 Ian Lance Taylor <ian@airs.com>
171 * ifcvt.c (noce_init_if_info): New static function, broken out of
172 noce_process_if_block.
173 (noce_process_if_block): Call noce_init_if_info.
174 (check_cond_move_block): New static function.
175 (cond_move_process_if_block): New static function.
176 (process_if_block): Call cond_move_process_if_block.
178 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
180 * cselib.c (hash_table): Rename to cselib_hash_table.
181 (cselib_clear_table, discard_useless_values,
182 remove_useless_values, cselib_lookup_mem, cselib_lookup,
183 cselib_init, cselib_finish): Adjust uses of hash_table.
185 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
187 PR tree-optimization/25485
188 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
189 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
190 is known to be false and true, respectively.
192 2006-01-14 Richard Guenther <rguenther@suse.de>
194 PR tree-optimization/22548
195 PR tree-optimization/22555
196 PR tree-optimization/22501
197 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
198 * params.def (salias-max-array-elements): New parameter.
199 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
200 * doc/invoke.texi (salias-max-array-elements): Document.
201 * tree-flow-inline.h (var_can_have_subvars): We also handle
203 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
205 * tree-ssa-structalias.c (params.h): Include.
206 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
207 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
208 (get_constraint_for): For ADDR_EXPR operating on something
209 containing an ARRAY_REF, add all subvars to the solution.
210 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
211 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
212 for creating MUST_DEFs.
213 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
215 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
217 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
219 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
220 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
221 number_of_iterations_le): New functions.
222 (number_of_iterations_special): Removed.
223 (number_of_iterations_exit): Do not use number_of_iterations_special.
224 * tree.c (unsigned_type_for): Always return integer type.
226 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
227 Richard Guenther <rguenther@suse.de>
229 PR rtl-optimization/24257
230 * gcse.c (find_moveable_store): Only consider a store movable
231 when the SET_SRC of the insn can be assigned to a register.
233 2006-01-14 Ian Lance Taylor <ian@airs.com>
235 * tree.c (tree_not_class_check_failed): New function.
236 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
237 (tree_not_class_check_failed): Declare.
239 2006-01-13 Ian Lance Taylor <ian@airs.com>
241 * reload1.c (do_output_reload): Add assertion rejecting a
244 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
246 * combine.c (struct reg_stat): Add new fields truncation_label and
248 (record_value_for_reg): Reset truncated_to_mode.
249 (record_truncated_value): New function.
250 (check_promoted_subreg): Call it. Rename to check_conversions.
251 (combine_instructions): Rename check_promoted_subreg to
253 (reg_truncated_to_mode): New function.
254 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
255 (gen_lowpart_or_truncate): New function.
256 (force_to_mode): Use it instead of gen_lowpart.
258 2006-01-13 Diego Novillo <dnovillo@redhat.com>
260 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
261 VAR is a tag, not its type tag.
263 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
265 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
266 alternatives to match style of other entries.
267 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
269 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
271 PR tree-optimization/25771
272 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
275 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
278 * tree-inline.c (declare_return_variable): If the return variable
279 was marked as a non gimple complex, set the return slot variable
280 to be a non gimple comple variable.
282 2006-01-13 Richard Guenther <rguenther@suse.de>
284 * builtins.c (expand_builtin_sincos): New function.
285 (expand_builtin_mathfn_3): Remove dead code, sin and cos
287 (expand_builtin): Expand sincos using expand_builtin_sincos.
289 2006-01-12 DJ Delorie <dj@redhat.com>
291 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
292 shift counts, separate SI shifts for m32c vs m16c, pass shift type
293 so that constant shifts can be split.
294 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
295 (m32c_valid_pointer_mode): Make static.
296 (shift_gen_func_for): New.
297 (m32c_prepare_shift): Use it. Split large const shifts into
299 * config/m32c/predicates.md (shiftcount_operand): Allow more
301 (longshiftcount_operand): New.
302 * doc/md.texi (Machine Constraints): Document In6.
304 2006-01-13 Ben Elliston <bje@au.ibm.com>
306 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
307 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
310 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
312 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
313 to try to avoid clobbering pieces of structures when we know
314 something about the whole structure.
315 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
317 2006-01-13 Ben Elliston <bje@au.ibm.com>
319 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
320 return in memory, as this is no limitation is no longer present.
322 2006-01-12 DJ Delorie <dj@redhat.com>
324 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
325 mova with fb, and for fb+0 -> An.
327 * config/m32c/mov.md (peephole2): Fix enabling logic.
329 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
330 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
331 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
332 FINI_ARRAY_SECTION_ASM_OP): Define.
334 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
336 (m32c_legitimize_reload_address): New logic to reload FB to An.
337 (m32c_output_reg_push): Add newline.
338 (m32c_output_reg_pop): Likewise.
340 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
342 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
344 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
346 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
348 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
350 * config/sh/predicates.md (sh_rep_vec): Add parallel to
353 2006-01-11 Ben Elliston <bje@au.ibm.com>
355 * rtlanal.c (find_reg_note): Assert insn is not null.
357 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
359 * df-scan.c (df_hard_reg_init): Move declaration of i outside
362 2006-01-11 Jeff Law <law@redhat.com>
364 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
366 (mark_threaded_blocks, register_jump_thread): New functions.
367 (thread_through_all_blocks): Remove unwanted argument. No
368 longer rely on e->aux to communicate thread target info.
369 Call mark_threaded_blocks. Release the threaded_blocks
370 bitmap and threaded_edges vector when complete.
371 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
372 (threaded_blocks): Remove.
373 (tree_ssa_dominator_optimize): Remove initialization and
374 finalization of threaded_blocks. Simplify call to
375 thread_through_all_blocks.
376 (thread_across_edge): Call register_jump_thread rather than
377 storing thread information into e->aux.
378 (free_all_edge_infos): Simplify now that e->aux is no longer
379 used to communicate with thread_through_all_blocks.
380 * tree-flow.h (thread_through_all_blocks): Update prototype.
381 (register_jump_thread): Prototype.
383 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
385 * df-core.c (df_compact_blocks, df_bb_replace): Use
386 SET_BASIC_BLOCK instead of BASIC_BLOCK.
388 2006-01-11 Richard Guenther <rguenther@suse.de>
390 PR tree-optimization/25734
391 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
392 stop propagation after successful propagation to the LHS.
394 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
396 * basic-block.h (control_flow_graph): Change the type of
397 x_basic_block_info to VEC(basic_block,gc) *.
398 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
400 (SET_BASIC_BLOCK): New.
401 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
402 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
403 * cfgbuild.c (find_basic_blocks): Likewise.
404 * cfglayout.c (fixup_reorder_chain): Likewise.
405 * cfgrtl.c (create_basic_block_structure,
406 rtl_create_basic_block): Likewise.
407 * ifcvt.c (find_if_case_1): Likewise.
408 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
411 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
413 * Makefile.in: Removed rotted odf.c entry.
415 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
418 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
419 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
420 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
421 output pattern modifier, not %e.
422 * config/cris/cris.c (cris_op_str): Update comment about pattern
424 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
425 before falling through into...
426 <case 'E'>: Redefined from old 'e' case.
428 2006-01-11 Jan Hubicka <jh@suse.cz>
431 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
433 2006-01-11 Jan Hubicka <jh@suse.cz>
435 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
436 * i386.c (x86_decompose_lea): Kill.
437 (ix86_rtx_costs): Kill.
439 2006-01-11 Jan Hubicka <jh@suse.cz>
441 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
442 * cgraph.h (cgraph_node): Add inline_decl.
443 (cgraph_insert_node_to_hashtable): Declare.
444 (save_inline_function_body): Declare.
445 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
447 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
448 (cgraph_function_versioning): Update call of tree_function_versioning.
449 (save_inline_function_body): New function.
450 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
451 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
452 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
453 (cgraph_default_inline_p): Likewise.
454 (cgraph_decide_inlining_incrementally): Likewise.
455 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
456 (copy_bb): Kill saving; do updating of clones.
457 (copy_cfg_body): Kill saving.
458 (initialize_inlined-parameters): Likewise.
459 (expand_call_inline): Likewise.
461 (tree_function_versioning): New parameter "update_clones".
462 (inlining_p): Kill saving.
463 * tree-inline.h (tree_function_versioning): Update prototype.
464 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
467 2006-01-11 Ian Lance Taylor <ian@airs.com>
469 * combine.c (struct undo): Remove is_int. Enumify types of undos.
470 Allow undoing set of machine mode.
471 (do_SUBST): Use enums instead of is_int.
472 (do_SUBST_MODE): New function.
473 (SUBST_MODE): New macro.
474 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
475 reg and trying to replace reg_regno_rtx with a new register.
476 (undo_all): Use new enums, handle undoing a PUT_MODE change.
477 (simplify_set): Use SUBST_MODE.
478 (distribute_notes): Remove code that tried to update reg notes
479 for regno_reg_rtx changes.
481 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
483 PR tree-optimization/23109
484 PR tree-optimization/23948
485 PR tree-optimization/24123
487 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
488 * tree-cfg.c (single_noncomplex_succ): New.
489 * tree-flow.h (single_noncomplex_succ): Declare it.
490 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
491 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
492 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
493 insert_bb, register_division_in, insert_reciprocals,
494 replace_reciprocal, free_bb): New.
495 (execute_cse_reciprocals_1): Rewritten.
496 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
497 Do not commit any edge insertion. Always compute dominators and
498 create the allocation pool.
499 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
500 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
501 * targhooks.c (default_min_divistions_for_recip_mul): New.
502 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
503 * passes.c (init_optimization_passes): Run recip after tree loop
505 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
507 2005-01-11 Danny Berlin <dberlin@dberlin.org>
508 Kenneth Zadeck <zadeck@naturalbridge.com>
510 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
511 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
512 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
513 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
514 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
515 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
516 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
517 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
518 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
519 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
520 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
521 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
522 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
523 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
524 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
525 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
526 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
527 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
528 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
529 DF_SCAN_POST_ALLOC): New macros.
530 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
531 df_free_bb_function, df_local_compute_function, df_init_function,
532 df_dataflow_function, df_confluence_function_0,
533 df_confluence_function_n, df_transfer_function,
534 df_finalizer_function, df_free_function, df_dump_problem_function,
535 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
536 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
537 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
538 df_urec_bb_info, ) New types.
539 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
541 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
542 df_analyze_simple_change_some_blocks,
543 df_analyze_simple_change_one_block, df_compact_blocks,
544 df_bb_replace, df_bb_regno_last_use_find,
545 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
546 df_insn_regno_def_p, df_find_def, df_find_use,
547 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
548 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
549 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
550 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
551 debug_df_chain, df_get_dependent_problem, df_chain_create,
552 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
553 df_grow_bb_info, df_chain_dump, df_print_bb_index,
554 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
555 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
556 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
557 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
558 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
559 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
560 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
561 df_ref_remove, df_insn_refs_delete, df_refs_delete,
562 df_reorganize_refs, df_set_state, df_hard_reg_init,
563 df_read_modify_subreg_p) New public functions.
564 * df-core.c: The core dataflow solver and glue routines for rtl
566 (df_init, df_add_problem, df_set_blocks, df_finish,
567 df_hybrid_search_forward, df_hybrid_search_backward,
568 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
569 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
570 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
571 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
572 df_reg_defined, df_find_use, df_reg_used, df_dump,
573 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
574 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
575 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
576 debug_df_useno, reset_df_after_reload): New functions.
577 * df-scan.c: The scanning fuctions, once in df.c, completely
578 rewritten so that they now fully model the functionality of
579 register usage at the backend.
580 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
581 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
582 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
583 df_grow_insn_info, df_rescan_blocks, df_ref_create,
584 df_get_artificial_defs, df_get_artificial_uses,
585 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
586 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
587 df_refs_delete, df_reorganize_refs, df_set_state,
588 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
589 df_def_record_1, df_defs_record, df_uses_record,
590 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
591 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
592 df_record_exit_block_uses, df_hard_reg_init): New functions.
594 * df-problems.c: Seven concrete dataflow problems that use the
595 scanning in df-scan.c and are solved by the engine in df-core.c.
596 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
597 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
598 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
599 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
600 df_ru_free_bb_info, df_ru_alloc,
601 df_ru_bb_local_compute_process_def,
602 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
603 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
604 df_ru_transfer_function, df_ru_free, df_ru_dump,
605 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
606 df_rd_free_bb_info, df_rd_alloc,
607 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
608 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
609 df_rd_transfer_function, df_rd_free, df_rd_dump,
610 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
611 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
612 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
613 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
614 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
615 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
616 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
617 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
618 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
619 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
620 df_urec_mark_reg_change, df_urec_check_earlyclobber,
621 df_urec_mark_reg_use_for_earlyclobber,
622 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
623 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
624 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
625 df_urec_dump, df_urec_add_problem, df_chain_alloc,
626 df_chain_create_bb_process_use, df_chain_create_bb,
627 df_chain_finalize, df_chain_free, df_chains_dump,
628 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
629 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
630 df_reg_lifetime): New functions.
631 * df.c: Deleted file.
632 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
633 consistent with new df api.
634 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
635 rest_of_handle_sms): Ditto.
636 * web.c (unionfind_union, union_defs, entry_register, web_main):
638 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
639 invariant_expr_equal_p, find_defs, check_dependencies,
640 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
641 free_inv_motion_data, move_loop_invariants): Ditto.
642 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
644 (odf.c): Added defective entry that was deleted later in day.
645 * sched-deps.c (sched_analyze_1): Ditto.
647 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
649 * tree-ssa-operands.c (get_expr_operands): Record addressable
650 variables directly. Do not call add_stmt_operands for CONST_DECLs
652 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
653 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
655 2006-01-11 Ben Elliston <bje@au.ibm.com>
657 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
658 function returns true in the positive case.
660 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
663 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
664 for SI, DI, SF and DF modes. Add alternatives to copy between
665 general and floating point registers to the 32-bit patterns.
666 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
667 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
668 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
669 generating 64-bit code.
670 * config/pa/pa.c (output_move_double): Handle copies between general
671 and floating registers.
673 2006-01-10 Stuart Hastings <stuart@apple.com>
675 * config/i386/i386.md (set_got): Update.
676 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
677 (builtin_setjmp_receiver): Mach-O support.
678 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
679 (GOT_SYMBOL_NAME): Define.
680 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
681 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
682 * config/i386/i386.c (override_options): Revise for Darwin.
683 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
684 support. (darwin_x86_file_end): New. (output_set_got): Add label
685 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
686 * config/i386/i386-protos.h (output_set_got): Likewise.
687 * config/darwin.c (machopic_legitimize_pic_address): Update
690 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
692 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
693 when MODE isn't BLKmode.
695 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
697 PR rtl-optimization/25367
698 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
700 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
703 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
704 for a negative bound.
706 2006-01-10 Richard Guenther <rguenther@suse.de>
708 * tree-ssa-structalias.c (get_constraint_for_component_ref):
709 Never override with anything constraint.
711 2006-01-10 Jan Beulich <jbeulich@novell.com>
713 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
714 256 bits when optimize_size.
716 2006-01-10 Jan Beulich <jbeulich@novell.com>
718 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
720 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
721 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
724 2006-01-10 Ben Elliston <bje@au.ibm.com>
726 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
728 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
729 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
730 (USE_FP_FOR_ARG): Reject decimal float modes.
731 (function_arg_advance): Likewise.
732 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
733 (rs6000_handle_altivec_attribute): Do not permit decimal floating
734 point types in AltiVec vectors.
735 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
736 (rs6000_libcall_value): Likewise.
738 2006-01-09 Bob Wilson <bob.wilson@acm.org>
740 * config/xtensa/ieee754-df.S: New file.
741 * config/xtensa/ieee754-sf.S: New file.
742 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
743 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
744 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
746 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
748 * config/sh/predicates.md (binary_float_operator,
749 binary_logical_operator, commutative_float_operator,
750 equality_comparison_operator, greater_comparison_operator,
751 less_comparison_operator, logical_operator,
752 noncommutative_float_operator, shift_operator,
753 symbol_ref_operand, unary_float_operator): Remove redundant
756 2006-01-09 Jeff Law <law@redhat.com>
758 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
759 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
760 now unused arguments. Callers updated.
761 (eliminate_redundant_computations): Remove now unused arguments,
763 (local_fold): Remove, no longer used.
764 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
766 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
767 (simplify_cond): New function.
768 (forward_propagate_into_cond): Call simplify_cond.
770 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
772 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
773 (*vec_extractv2di_1_sse): New.
775 2006-01-09 Ben Elliston <bje@au.ibm.com>
777 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
779 2006-01-08 Richard Guenther <rguenther@suse.de>
781 * tree-ssa-structalias.c (get_constraint_for): Remove
783 (get_constraint_for_component_ref): Likewise.
784 (do_deref): Likewise.
785 (get_constraint_for): Likewise.
786 (do_structure_copy): Likewise.
787 (handle_ptr_arith): Likewise.
788 (find_func_aliases): Likewise. Remove unused need_anyoffset
791 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
792 Kaz Kojima <kkojima@gcc.gnu.org>
794 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
795 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
796 (EXTRA_CONSTRAINT_C16): Remove.
797 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
798 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
799 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
800 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
801 constants of SHmedia. Handle nested constant expressions of
803 (andcosts): Fix the costs for SHmedia constants.
804 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
805 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
806 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
807 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
808 (movv4hi_i, movv2si_i): Likewise.
809 (movsi_const): Adjust the second operand of ior so to match with
811 (movdi_const, movdi_const_32bit): Likewise.
812 (movdi_const_16bit+1): Don't sign-extend LOW.
813 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
815 (*double_shori): Fix the split condition. Use GEN_INT instead
816 of get_int_mode calls. Mask lower 16-bit of the argument of
818 (sym2GOTPLT): Remove.
819 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
821 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
822 instead of EXTRA_CONSTRAINT_C16.
824 2006-01-07 Ian Lance Taylor <ian@airs.com>
825 David Edelsohn <edelsohn@gnu.org>
827 PR rtl-optimization/25662
828 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
829 for constant operands instead of simplify_gen_binary.
830 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
831 after trying simplify_binary_operation
833 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
835 * tree.c (iterative_hash_expr): Hash decls based on UID.
837 2006-01-06 Eric Christopher <echristo@apple.com>
839 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
840 (TARGET_UNWIND_EMIT): Fix spelling.
841 * target.h (gcc_target): Add except_table_label.
842 * except.c (output_function_exception_table): Use.
843 * varasm.c (default_emit_except_table_label): New.
844 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
847 * output.h (default_emit_except_table_label): Prototype.
848 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
849 * config/darwin.c (darwin_emit_except_table_label): Define.
850 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
852 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
854 PR tree-optimization/18527
855 * tree-ssa-loop-niter.c (number_of_iterations_cond,
856 number_of_iterations_special, number_of_iterations_exit):
857 Move base and step of an iv to a single structure. Add
858 no_overflow flag, and use it in # of iterations analysis.
859 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
860 folded_casts argument.
861 (simple_iv): Pass base and step in a structure. Set no_overflow
863 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
864 Evaluate expensiveness of computing # of iterations instead of
865 the final expression.
866 * tree-scalar-evolution.h (affine_iv): New structure.
867 (simple_iv): Declaration changed.
868 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
869 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
870 find_givs_in_stmt): Changed due to simple_iv change.
872 2006-01-06 Jeff Law <law@redhat.com>
875 * tree-cfg.c (bsi_replace): Rename final argument from
876 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
877 change (stmt -> orig_stmt).
878 * tree-eh.c (verify_eh_throw_stmt_node): New function.
879 (bsi_remove): Add new argument. Remove EH information
881 (verify_eh_throw_table_statements): New function.
882 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
884 * tree-optimize.c (execute_free_cfg_annotations): Verify
885 the EH throw statement table after removing annotations.
886 * except.h (verify_eh_throw_table_statements): Prototype.
887 * tree-flow.h (bsi_remove): Update prototype.
888 * tree-vrp.c (remove_range_assertions): Add new argument to
890 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
891 * tree-complex.c (expand_complex_div_wide): Likewise.
892 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
893 * tree-tailcall.c (eliminate_tailcall): Likewise.
894 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
895 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
896 * tree-nrv.c (tree_nrv): Likewise.
897 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
898 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
899 (combine_blocks): Likewise.
900 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
901 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
902 (cleanup_control_flow): Likewise.
903 (remove_forwarder_block): Likewise.
904 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
905 * tree-sra.c (sra_replace): Likewise.
906 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
907 (forward_propagate_single_use_vars): Likewise.
908 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
909 * tree-inline.c (expand_call_inline): Likewise.
910 * tree-vect-transform.c (vect_transform_loop): Likewise.
911 * tree-outof-ssa.c (rewrite_trees): Likewise.
912 * tree-cfg.c (make_goto_expr_edges): Likewise.
913 (cleanup_dead_labels): Likewise.
914 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
915 (bsi_move_before, bsi_move_after): Likewise.
916 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
917 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
919 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
922 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
924 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
925 on non gimple variables. Also add checks at the top for decls and
927 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
929 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
930 and IMAGPART_EXPR for creating MUST_DEFs.
931 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
932 and NAME_MEMORY_TAG separately from the DECLs.
934 2006-01-06 Richard Guenther <rguenther@suse.de>
936 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
937 annotation, if necessary.
938 * tree-ssa-pre.c (create_expression_by_pieces): Remove
939 redundant calls to update_stmt.
940 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
943 2006-01-05 Richard Henderson <rth@redhat.com>
945 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
947 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
949 * c-typeck.c: Update copyright date.
951 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
953 * c-typeck.c (build_c_cast): Always warn when casting
954 from a pointer to an integer of different size, even if
955 the node was constant.
957 2006-01-05 Richard Guenther <rguenther@suse.de>
959 PR tree-optimization/22555
960 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
961 if one structure field is an array.
962 * tree-ssa-operands.c (get_expr_operands): Continue scanning
963 operands even if we found a subvar, but ignore VOPs in this
965 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
967 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
969 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
972 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
974 2006-01-05 Richard Guenther <rguenther@suse.de>
975 Diego Novillo <dnovillo@redhat.com>
977 * tree-pass.h (TODO_remove_unused_locals): Define.
978 * gimple-low.c (expand_var_p, remove_useless_vars,
979 pass_remove_useless_vars): Remove. Update all users.
980 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
981 (remove_unused_locals): New function.
982 * tree-flow.h (remove_unused_locals): Declare.
983 * passes.c (execute_todo): Call remove_unused_locals if
984 TODO_remove_unused_locals is set.
985 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
986 * tree-ssa-dce.c (pass_dce): Likewise.
987 * tree-outof-ssa.c (pass_del_ssa): Likewise.
989 2006-01-05 Richard Guenther <rguenther@suse.de>
991 * tree-flow.h (struct fieldoff): Decompose field to
993 * tree-ssa-alias.c (create_sft): Take type as parameter.
994 (create_overlap_variables_for): Store type, size and decl
995 in the fieldoff structure.
996 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
998 (push_fields_onto_fieldstack): Likewise.
999 (create_variable_info_for): Likewise. Use offset for the
1000 SFT name if the decl is not available.
1002 2006-01-04 Paul Brook <paul@codesourcery.com>
1004 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
1006 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
1008 * lambda-code.c (can_put_in_inner_loop): Relax
1010 (can_put_after_inner_loop): New function.
1011 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
1012 (perfect_nestify): Change to make copies and modify uses.
1014 2006-01-04 Richard Henderson <rth@redhat.com>
1016 Merge from gomp branch:
1017 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
1018 via integer constant.
1019 (pragma_lex): Remove.
1020 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
1021 rather than parsing it.
1022 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
1023 handle_pragma_extern_prefix): Add %< %> quotes.
1024 (registered_pragmas): New.
1025 (c_register_pragma_1): New.
1026 (c_register_pragma): Use it.
1027 (c_register_pragma_with_expansion): Likewise.
1028 (c_invoke_pragma_handler): New.
1029 (init_pragma): Use cpp_register_deferred_pragma directly for
1031 * c-pragma.h (enum pragma_kind): New.
1032 (pragma_handler): New.
1033 (c_invoke_pragma_handler): Declare.
1034 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
1036 * c-common.h (c_common_pch_pragma): Update decl.
1037 * Makefile.in (c-parser.o): Update dependencies.
1038 (GTFILES): Add c-pragma.h.
1039 * c-parser.c (struct c_token): Add pragma_kind.
1040 (struct c_parser): Add in_pragma.
1041 (c_lex_one_token): Always initialize keyword and pragma_kind.
1042 Extract data for CPP_PRAGMA.
1043 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
1044 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
1045 Don't allow CPP_PRAGMA_EOL if in_pragma.
1046 (c_parser_consume_pragma): New.
1047 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
1048 (c_parser_skip_to_end_of_parameter): Likewise.
1049 (c_parser_skip_to_end_of_block_or_statement): Likewise.
1050 (c_parser_skip_to_pragma_eol): New.
1051 (c_parser_external_declaration): Handle CPP_PRAGMA.
1052 (c_parser_compound_statement_nostart): Likewise.
1053 (c_parser_statement_after_labels): Likewise.
1054 (c_parser_pragma): New.
1055 (pragma_lex): Likewise.
1056 (c_parser_pragma_pch_preprocess): New.
1057 (c_parser_new): Merge into ...
1058 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
1060 2006-01-04 Jeff Law <law@redhat.com>
1063 * tree-cfg.c (bsi_replace): Remove the original statement
1064 from the EH throw statement table.
1066 2006-01-04 Jakub Jelinek <jakub@redhat.com>
1068 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
1069 make the prototype extern "C" and add throw ().
1072 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
1073 and pos non-negative and pos + len <= 32.
1074 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
1075 drop pos + len < HOST_BITS_PER_WIDE_INT test.
1076 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
1079 * c-common.c (handle_vector_size_attribute): Reject zero vector size
1080 as well as sizes not multiple of component size.
1083 * function.c (instantiate_expr): New function.
1084 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
1085 walk its DECL_VALUE_EXPR with instantiate_expr.
1087 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
1088 DW_OP_deref{,_size} if address isn't going to be added.
1090 2006-01-04 Ben Elliston <bje@au.ibm.com>
1092 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
1093 * config/fp-bit.c: Likewise.
1095 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
1097 * dominance.c: Add comment about why we use DFS numbering
1100 2006-01-03 Jakub Jelinek <jakub@redhat.com>
1101 Richard Henderson <rth@redhat.com>
1103 Merge from gomp-branch:
1104 * varasm.c (assemble_variable): Handle thread-local COMMON data.
1105 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
1107 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
1109 PR rtl-optimization/25578
1110 * combine.c (combine_simplify_rtx, force_to_mode): Don't
1111 pass a parameter to simplify_shift_const if changing ASHIFTRT
1114 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
1116 * builtins.c (get_builtin_sync_mem): New function.
1117 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
1118 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
1119 Call get_builtin_sync_mem to generate mem rtx.
1121 2006-01-03 Richard Guenther <rguenther@suse.de>
1124 * stmt.c (add_case_node): Make sure to clear overflow flags
1127 2006-01-03 Jakub Jelinek <jakub@redhat.com>
1129 Merge from gomp-branch.
1130 * config/sparc/sync.md: New file.
1131 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
1132 UNSPECV_LDSTUB): New constants.
1133 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
1134 * config/sparc/predicates.md (memory_reg_operand): New predicate.
1135 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
1138 2006-01-03 Roger Sayle <roger@eyesopen.com>
1140 * combine.c (reg_subword_p): New predicate to test whether the
1141 destination of a set refers to a subword/piece of a register.
1142 (try_combine): Generalize the code to merge the setting of a
1143 pseudo to a constant followed by a set of a subword of that
1144 register to a constant.
1146 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
1148 * basic-block.h (control_flow_graph): Change the type of
1149 x_label_to_block_map to VEC(basic_block,gc) *.
1150 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
1151 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
1153 * tree-ssa-propagate.c (cfg_blocks): Change the type to
1154 VEC(basic_block,heap) *.
1155 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
1156 ssa_prop_fini): Adjust the uses of cfg_blocks.
1158 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
1160 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
1162 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
1163 hashing trees instead of a pointer hash.
1164 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
1165 compare for MEM_EXPR.
1167 PR rtl-optimization/25130
1168 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
1169 when comparing MEMs for GCSE
1171 2006-01-03 Ben Elliston <bje@au.ibm.com>
1173 * targhooks.h (default_decimal_float_supported_p): Declare.
1174 * targhooks.c (default_decimal_float_supported_p): Define.
1175 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
1176 `default_decimal_float_supported_p'.
1177 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
1179 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
1181 * combine.c (apply_distributive_law <SUBREG>): Check
1182 TRULY_NOOP_TRUNCATION.
1184 2006-01-02 Geoffrey Keating <geoffk@apple.com>
1186 * dwarf2out.c (have_switched_text_section): Delete.
1187 (have_multiple_function_sections): New.
1188 (have_location_lists): Make 'bool'.
1189 (add_AT_loc_list): Use 'true' not '1'.
1190 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
1191 (output_loc_list): Use have_multiple_function_sections.
1192 (output_ranges): Likewise.
1193 (dwarf2out_begin_function): Set have_multiple_function_sections if
1195 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
1196 Check function_section rather than DECL_SECTION_NAME.
1197 (dwarf2out_finish): Use have_multiple_function_sections.
1198 Don't clear have_location_lists.
1200 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
1201 Jan Hubicka <jh@suse.cz>
1203 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
1204 case of conditional jump jumping to the next instruction.
1205 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
1206 cases of conditional jump jumping to the next instruction.
1208 2006-01-02 Jan Hubicka <jh@suse.cz>
1210 * i386.c (*_cost): Add COSTS_N_INSNS.
1211 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
1213 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
1216 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
1218 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1220 * config/arm/arm.c (all_fpus): Fix comment typo.
1221 * config/darwin.c: Likewise.
1222 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
1223 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
1224 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
1226 2006-01-01 David Edelsohn <edelsohn@gnu.org>
1228 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
1229 (rs6000_split_compare_and_swapqhi): New.
1230 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
1231 (sync_compare_and_swapqhi_internal): New.
1232 * config/rs6000/rs6000-protos.h: Declare.