1 2006-01-16 Ian Lance Taylor <ian@airs.com>
3 * common.opt (ftoplevel-reorder): New option.
4 * cgraph.c (cgraph_asm_nodes): New global variable.
5 (cgraph_asm_last_node): New static variable.
6 (cgraph_order): New global variable.
7 (cgraph_create_node): Set new order field.
8 (cgraph_varpool_node): Likewise.
9 (decide_is_variable_needed): Return true if not
10 flag_toplevel_reorder.
11 (cgraph_add_asm_node): New function.
12 * cgraph.h (struct cgraph_node): Add order field.
13 (struct cgraph_varpool_node): Add order field.
14 (struct cgraph_asm_node): Define.
15 (cgraph_asm_nodes, cgraph_order): Declare.
16 (cgraph_add_asm_node): Declare.
17 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
19 (cgraph_varpool_assemble_pending_decls): Call it.
20 (cgraph_output_pending_asms): New static function.
21 (cgraph_finalize_compilation_unit): Call it.
22 (struct cgraph_order_sort): Define.
23 (cgraph_output_in_order): New static function.
24 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
25 !flag_toplevel_reorder case.
26 * c-parser.c: Include "cgraph.h".
27 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
29 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
30 than -fno-unit-at-a-time.
31 * doc/invoke.texi (Option Summary): Mention
32 -fno-toplevel-reorder.
33 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
34 -funit-at-a-time documentation.
36 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
37 Kazu Hirata <kazu@codesourcery.com>
39 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
41 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
43 * Makefile.in (FUNCTION_H): New. Use it instead of
44 function.h throughout the file.
45 * function.h: Include tree.h.
47 2006-01-17 Ben Elliston <bje@au.ibm.com>
49 * recog.c: Separate some functions with whitespace.
51 2006-01-16 Richard Henderson <rth@redhat.com>
53 Merge from gomp branch:
54 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
55 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
56 and rename from struct inline_data. Rename callee* to dst*;
57 caller* to src*; add copy_decl hook, transform_call_graph_edges,
58 transform_new_cfg, transform_return_to_modify, and
59 transform_lang_insert_block flags; remove cloning_p, versioning_p,
61 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
62 (copy_decl_for_dup): Remove.
63 * tree-inline.c (struct inline_data): Move to header.
64 (insert_decl_map): Export.
65 (remap_decl): Update for member name changes. Use copy_decl hook.
66 Allow for replacement to be a non-decl. Remove dead code.
67 (remap_type_1): Check for existing mapping.
69 (remap_decls): Update for member name changes.
70 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
71 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
72 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
73 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
74 (tree_function_versioning, build_duplicate_type): Likewise.
75 (copy_body_r): Likewise. Export.
76 (copy_decl_for_dup): Split into ...
77 (copy_decl_for_dup_finish, copy_decl_to_var,
78 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
79 (replace_ref_tree, inlining_p): Remove.
81 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
83 * ifcvt.c (if_convert): Make it static.
84 * rtl.h: Remove the prototype for if_convert.
86 * local-alloc.c (local_alloc): Make it static.
87 * rtl.h: Remove the prototype for local_alloc.
89 * loop.c (loop_optimize): Make it static.
90 * cfgloop.h: Remove the prototype for loop_optimize.
93 2006-01-16 DJ Delorie <dj@redhat.com>
95 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
98 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
100 * pa.md: Disparage copies between general and floating-point registers
101 in 32-bit move patterns.
103 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
106 * Makefile.in (check-%): Depend on site.exp instead of
107 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
110 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
112 * global.c (global_alloc): Make it static.
113 * rtl.h: Remove the prototype for global_alloc.
115 2006-01-16 Richard Guenther <rguenther@suse.de>
117 * tree-ssa-alias.c (struct used_part): Add write_only field.
118 (get_or_create_used_part_for): Initialize it to true.
119 (create_overlap_variables_for): Don't create structure variables
120 for structures that only are written to.
121 (find_used_portions): Handle MODIFY_EXPR to track whether a
122 structure is only written to.
124 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
126 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
128 * basic-block.h: Remove the prototype for
129 partition_hot_cold_basic_blocks.
131 2006-01-16 Rafael
\81Ã
\81vila de Esp
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\81ndola <rafael.espindola@gmail.com>
133 * cppspec.c (lang_specific_spec_functions): remove
134 * gcc.c (lookup_spec_function): use static_spec_functions directelly
135 * gcc.h (lang_specific_spec_functions): remove
136 * gccspec.c (lang_specific_spec_functions): remove
138 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
140 * combine.c (record_value_for_reg): Invalidate registers
142 (record_dead_and_set_regs_1): Likewise, by passing them to
143 record_value_for_reg.
144 (record_dead_and_set_regs): Invalidate stores made by a
145 call. We do not combine across a call, but we still
146 relied on equivalences.
148 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
150 * tree-vrp.c (extract_range_from_binary_expr): Cope with
151 vrp_int_const_binop returning non-constant nodes.
153 2006-01-16 Paul Brook <paul@codesourcery.com>
155 * config/m68k/m68k.c (output_move_const_into_data_reg):
156 Output correct mnemonic for mvz and mvs.
158 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
160 * rtl-factoring.c : Add sequence abstraction algorithm.
161 * cfgcleanup.c (outgoing_edges_match): Extra checks.
162 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
164 (block_has_preserve_label): New function.
165 * common.opt: Register new pass.
166 * Makefile.in: Ditto.
168 * timevar.def: Ditto.
169 * tree-pass.h: Ditto.
170 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
171 * rtl.h (make_jump_insn_raw): Add forward decl.
172 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
174 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
175 Roger Sayle <roger@eyesopen.com>
177 * fold-const.c (fold_minmax): New static function.
178 (fold_binary) <MIN_EXPR>: Call it.
179 <MAX_EXPR>: Likewise.
180 * stor-layout.c (place_field): Use DECL_SIZE consistently
181 in the computation of the new record size.
183 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
185 * cse.c (cse_condition_code_reg): Make it static.
186 * rtl.h: Remove the prototype for cse_condition_code_reg.
188 * combine.c (combine_instructions): Make it static.
189 * rtl.h: Remove the prototype for combine_instructions.
191 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
194 * tree.c (get_file_function_name_long): Concatenate the first global
195 object name with a string derived from the input filename of the object
198 2006-01-16 Ben Elliston <bje@au.ibm.com>
200 * config/i386/winnt-stubs.c: Update FSF address.
201 * config/xtensa/ieee754-df.S: Ditto.
202 * config/xtensa/ieee754-sf.S: Ditto.
204 2006-01-14 Ian Lance Taylor <ian@airs.com>
206 * ifcvt.c (noce_init_if_info): New static function, broken out of
207 noce_process_if_block.
208 (noce_process_if_block): Call noce_init_if_info.
209 (check_cond_move_block): New static function.
210 (cond_move_process_if_block): New static function.
211 (process_if_block): Call cond_move_process_if_block.
213 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
215 * cselib.c (hash_table): Rename to cselib_hash_table.
216 (cselib_clear_table, discard_useless_values,
217 remove_useless_values, cselib_lookup_mem, cselib_lookup,
218 cselib_init, cselib_finish): Adjust uses of hash_table.
220 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
222 PR tree-optimization/25485
223 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
224 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
225 is known to be false and true, respectively.
227 2006-01-14 Richard Guenther <rguenther@suse.de>
229 PR tree-optimization/22548
230 PR tree-optimization/22555
231 PR tree-optimization/22501
232 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
233 * params.def (salias-max-array-elements): New parameter.
234 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
235 * doc/invoke.texi (salias-max-array-elements): Document.
236 * tree-flow-inline.h (var_can_have_subvars): We also handle
238 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
240 * tree-ssa-structalias.c (params.h): Include.
241 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
242 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
243 (get_constraint_for): For ADDR_EXPR operating on something
244 containing an ARRAY_REF, add all subvars to the solution.
245 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
246 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
247 for creating MUST_DEFs.
248 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
250 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
252 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
254 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
255 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
256 number_of_iterations_le): New functions.
257 (number_of_iterations_special): Removed.
258 (number_of_iterations_exit): Do not use number_of_iterations_special.
259 * tree.c (unsigned_type_for): Always return integer type.
261 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
262 Richard Guenther <rguenther@suse.de>
264 PR rtl-optimization/24257
265 * gcse.c (find_moveable_store): Only consider a store movable
266 when the SET_SRC of the insn can be assigned to a register.
268 2006-01-14 Ian Lance Taylor <ian@airs.com>
270 * tree.c (tree_not_class_check_failed): New function.
271 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
272 (tree_not_class_check_failed): Declare.
274 2006-01-13 Ian Lance Taylor <ian@airs.com>
276 * reload1.c (do_output_reload): Add assertion rejecting a
279 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
281 * combine.c (struct reg_stat): Add new fields truncation_label and
283 (record_value_for_reg): Reset truncated_to_mode.
284 (record_truncated_value): New function.
285 (check_promoted_subreg): Call it. Rename to check_conversions.
286 (combine_instructions): Rename check_promoted_subreg to
288 (reg_truncated_to_mode): New function.
289 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
290 (gen_lowpart_or_truncate): New function.
291 (force_to_mode): Use it instead of gen_lowpart.
293 2006-01-13 Diego Novillo <dnovillo@redhat.com>
295 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
296 VAR is a tag, not its type tag.
298 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
300 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
301 alternatives to match style of other entries.
302 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
304 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
306 PR tree-optimization/25771
307 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
310 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
313 * tree-inline.c (declare_return_variable): If the return variable
314 was marked as a non gimple complex, set the return slot variable
315 to be a non gimple comple variable.
317 2006-01-13 Richard Guenther <rguenther@suse.de>
319 * builtins.c (expand_builtin_sincos): New function.
320 (expand_builtin_mathfn_3): Remove dead code, sin and cos
322 (expand_builtin): Expand sincos using expand_builtin_sincos.
324 2006-01-12 DJ Delorie <dj@redhat.com>
326 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
327 shift counts, separate SI shifts for m32c vs m16c, pass shift type
328 so that constant shifts can be split.
329 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
330 (m32c_valid_pointer_mode): Make static.
331 (shift_gen_func_for): New.
332 (m32c_prepare_shift): Use it. Split large const shifts into
334 * config/m32c/predicates.md (shiftcount_operand): Allow more
336 (longshiftcount_operand): New.
337 * doc/md.texi (Machine Constraints): Document In6.
339 2006-01-13 Ben Elliston <bje@au.ibm.com>
341 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
342 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
345 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
347 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
348 to try to avoid clobbering pieces of structures when we know
349 something about the whole structure.
350 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
352 2006-01-13 Ben Elliston <bje@au.ibm.com>
354 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
355 return in memory, as this is no limitation is no longer present.
357 2006-01-12 DJ Delorie <dj@redhat.com>
359 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
360 mova with fb, and for fb+0 -> An.
362 * config/m32c/mov.md (peephole2): Fix enabling logic.
364 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
365 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
366 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
367 FINI_ARRAY_SECTION_ASM_OP): Define.
369 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
371 (m32c_legitimize_reload_address): New logic to reload FB to An.
372 (m32c_output_reg_push): Add newline.
373 (m32c_output_reg_pop): Likewise.
375 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
377 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
379 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
381 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
383 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
385 * config/sh/predicates.md (sh_rep_vec): Add parallel to
388 2006-01-11 Ben Elliston <bje@au.ibm.com>
390 * rtlanal.c (find_reg_note): Assert insn is not null.
392 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
394 * df-scan.c (df_hard_reg_init): Move declaration of i outside
397 2006-01-11 Jeff Law <law@redhat.com>
399 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
401 (mark_threaded_blocks, register_jump_thread): New functions.
402 (thread_through_all_blocks): Remove unwanted argument. No
403 longer rely on e->aux to communicate thread target info.
404 Call mark_threaded_blocks. Release the threaded_blocks
405 bitmap and threaded_edges vector when complete.
406 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
407 (threaded_blocks): Remove.
408 (tree_ssa_dominator_optimize): Remove initialization and
409 finalization of threaded_blocks. Simplify call to
410 thread_through_all_blocks.
411 (thread_across_edge): Call register_jump_thread rather than
412 storing thread information into e->aux.
413 (free_all_edge_infos): Simplify now that e->aux is no longer
414 used to communicate with thread_through_all_blocks.
415 * tree-flow.h (thread_through_all_blocks): Update prototype.
416 (register_jump_thread): Prototype.
418 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
420 * df-core.c (df_compact_blocks, df_bb_replace): Use
421 SET_BASIC_BLOCK instead of BASIC_BLOCK.
423 2006-01-11 Richard Guenther <rguenther@suse.de>
425 PR tree-optimization/25734
426 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
427 stop propagation after successful propagation to the LHS.
429 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
431 * basic-block.h (control_flow_graph): Change the type of
432 x_basic_block_info to VEC(basic_block,gc) *.
433 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
435 (SET_BASIC_BLOCK): New.
436 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
437 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
438 * cfgbuild.c (find_basic_blocks): Likewise.
439 * cfglayout.c (fixup_reorder_chain): Likewise.
440 * cfgrtl.c (create_basic_block_structure,
441 rtl_create_basic_block): Likewise.
442 * ifcvt.c (find_if_case_1): Likewise.
443 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
446 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
448 * Makefile.in: Removed rotted odf.c entry.
450 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
453 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
454 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
455 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
456 output pattern modifier, not %e.
457 * config/cris/cris.c (cris_op_str): Update comment about pattern
459 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
460 before falling through into...
461 <case 'E'>: Redefined from old 'e' case.
463 2006-01-11 Jan Hubicka <jh@suse.cz>
466 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
468 2006-01-11 Jan Hubicka <jh@suse.cz>
470 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
471 * i386.c (x86_decompose_lea): Kill.
472 (ix86_rtx_costs): Kill.
474 2006-01-11 Jan Hubicka <jh@suse.cz>
476 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
477 * cgraph.h (cgraph_node): Add inline_decl.
478 (cgraph_insert_node_to_hashtable): Declare.
479 (save_inline_function_body): Declare.
480 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
482 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
483 (cgraph_function_versioning): Update call of tree_function_versioning.
484 (save_inline_function_body): New function.
485 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
486 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
487 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
488 (cgraph_default_inline_p): Likewise.
489 (cgraph_decide_inlining_incrementally): Likewise.
490 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
491 (copy_bb): Kill saving; do updating of clones.
492 (copy_cfg_body): Kill saving.
493 (initialize_inlined-parameters): Likewise.
494 (expand_call_inline): Likewise.
496 (tree_function_versioning): New parameter "update_clones".
497 (inlining_p): Kill saving.
498 * tree-inline.h (tree_function_versioning): Update prototype.
499 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
502 2006-01-11 Ian Lance Taylor <ian@airs.com>
504 * combine.c (struct undo): Remove is_int. Enumify types of undos.
505 Allow undoing set of machine mode.
506 (do_SUBST): Use enums instead of is_int.
507 (do_SUBST_MODE): New function.
508 (SUBST_MODE): New macro.
509 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
510 reg and trying to replace reg_regno_rtx with a new register.
511 (undo_all): Use new enums, handle undoing a PUT_MODE change.
512 (simplify_set): Use SUBST_MODE.
513 (distribute_notes): Remove code that tried to update reg notes
514 for regno_reg_rtx changes.
516 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
518 PR tree-optimization/23109
519 PR tree-optimization/23948
520 PR tree-optimization/24123
522 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
523 * tree-cfg.c (single_noncomplex_succ): New.
524 * tree-flow.h (single_noncomplex_succ): Declare it.
525 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
526 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
527 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
528 insert_bb, register_division_in, insert_reciprocals,
529 replace_reciprocal, free_bb): New.
530 (execute_cse_reciprocals_1): Rewritten.
531 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
532 Do not commit any edge insertion. Always compute dominators and
533 create the allocation pool.
534 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
535 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
536 * targhooks.c (default_min_divistions_for_recip_mul): New.
537 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
538 * passes.c (init_optimization_passes): Run recip after tree loop
540 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
542 2005-01-11 Danny Berlin <dberlin@dberlin.org>
543 Kenneth Zadeck <zadeck@naturalbridge.com>
545 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
546 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
547 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
548 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
549 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
550 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
551 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
552 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
553 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
554 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
555 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
556 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
557 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
558 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
559 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
560 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
561 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
562 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
563 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
564 DF_SCAN_POST_ALLOC): New macros.
565 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
566 df_free_bb_function, df_local_compute_function, df_init_function,
567 df_dataflow_function, df_confluence_function_0,
568 df_confluence_function_n, df_transfer_function,
569 df_finalizer_function, df_free_function, df_dump_problem_function,
570 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
571 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
572 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
573 df_urec_bb_info, ) New types.
574 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
576 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
577 df_analyze_simple_change_some_blocks,
578 df_analyze_simple_change_one_block, df_compact_blocks,
579 df_bb_replace, df_bb_regno_last_use_find,
580 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
581 df_insn_regno_def_p, df_find_def, df_find_use,
582 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
583 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
584 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
585 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
586 debug_df_chain, df_get_dependent_problem, df_chain_create,
587 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
588 df_grow_bb_info, df_chain_dump, df_print_bb_index,
589 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
590 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
591 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
592 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
593 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
594 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
595 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
596 df_ref_remove, df_insn_refs_delete, df_refs_delete,
597 df_reorganize_refs, df_set_state, df_hard_reg_init,
598 df_read_modify_subreg_p) New public functions.
599 * df-core.c: The core dataflow solver and glue routines for rtl
601 (df_init, df_add_problem, df_set_blocks, df_finish,
602 df_hybrid_search_forward, df_hybrid_search_backward,
603 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
604 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
605 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
606 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
607 df_reg_defined, df_find_use, df_reg_used, df_dump,
608 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
609 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
610 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
611 debug_df_useno, reset_df_after_reload): New functions.
612 * df-scan.c: The scanning fuctions, once in df.c, completely
613 rewritten so that they now fully model the functionality of
614 register usage at the backend.
615 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
616 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
617 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
618 df_grow_insn_info, df_rescan_blocks, df_ref_create,
619 df_get_artificial_defs, df_get_artificial_uses,
620 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
621 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
622 df_refs_delete, df_reorganize_refs, df_set_state,
623 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
624 df_def_record_1, df_defs_record, df_uses_record,
625 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
626 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
627 df_record_exit_block_uses, df_hard_reg_init): New functions.
629 * df-problems.c: Seven concrete dataflow problems that use the
630 scanning in df-scan.c and are solved by the engine in df-core.c.
631 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
632 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
633 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
634 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
635 df_ru_free_bb_info, df_ru_alloc,
636 df_ru_bb_local_compute_process_def,
637 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
638 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
639 df_ru_transfer_function, df_ru_free, df_ru_dump,
640 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
641 df_rd_free_bb_info, df_rd_alloc,
642 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
643 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
644 df_rd_transfer_function, df_rd_free, df_rd_dump,
645 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
646 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
647 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
648 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
649 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
650 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
651 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
652 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
653 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
654 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
655 df_urec_mark_reg_change, df_urec_check_earlyclobber,
656 df_urec_mark_reg_use_for_earlyclobber,
657 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
658 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
659 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
660 df_urec_dump, df_urec_add_problem, df_chain_alloc,
661 df_chain_create_bb_process_use, df_chain_create_bb,
662 df_chain_finalize, df_chain_free, df_chains_dump,
663 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
664 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
665 df_reg_lifetime): New functions.
666 * df.c: Deleted file.
667 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
668 consistent with new df api.
669 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
670 rest_of_handle_sms): Ditto.
671 * web.c (unionfind_union, union_defs, entry_register, web_main):
673 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
674 invariant_expr_equal_p, find_defs, check_dependencies,
675 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
676 free_inv_motion_data, move_loop_invariants): Ditto.
677 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
679 (odf.c): Added defective entry that was deleted later in day.
680 * sched-deps.c (sched_analyze_1): Ditto.
682 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
684 * tree-ssa-operands.c (get_expr_operands): Record addressable
685 variables directly. Do not call add_stmt_operands for CONST_DECLs
687 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
688 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
690 2006-01-11 Ben Elliston <bje@au.ibm.com>
692 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
693 function returns true in the positive case.
695 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
698 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
699 for SI, DI, SF and DF modes. Add alternatives to copy between
700 general and floating point registers to the 32-bit patterns.
701 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
702 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
703 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
704 generating 64-bit code.
705 * config/pa/pa.c (output_move_double): Handle copies between general
706 and floating registers.
708 2006-01-10 Stuart Hastings <stuart@apple.com>
710 * config/i386/i386.md (set_got): Update.
711 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
712 (builtin_setjmp_receiver): Mach-O support.
713 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
714 (GOT_SYMBOL_NAME): Define.
715 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
716 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
717 * config/i386/i386.c (override_options): Revise for Darwin.
718 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
719 support. (darwin_x86_file_end): New. (output_set_got): Add label
720 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
721 * config/i386/i386-protos.h (output_set_got): Likewise.
722 * config/darwin.c (machopic_legitimize_pic_address): Update
725 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
727 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
728 when MODE isn't BLKmode.
730 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
732 PR rtl-optimization/25367
733 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
735 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
738 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
739 for a negative bound.
741 2006-01-10 Richard Guenther <rguenther@suse.de>
743 * tree-ssa-structalias.c (get_constraint_for_component_ref):
744 Never override with anything constraint.
746 2006-01-10 Jan Beulich <jbeulich@novell.com>
748 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
749 256 bits when optimize_size.
751 2006-01-10 Jan Beulich <jbeulich@novell.com>
753 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
755 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
756 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
759 2006-01-10 Ben Elliston <bje@au.ibm.com>
761 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
763 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
764 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
765 (USE_FP_FOR_ARG): Reject decimal float modes.
766 (function_arg_advance): Likewise.
767 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
768 (rs6000_handle_altivec_attribute): Do not permit decimal floating
769 point types in AltiVec vectors.
770 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
771 (rs6000_libcall_value): Likewise.
773 2006-01-09 Bob Wilson <bob.wilson@acm.org>
775 * config/xtensa/ieee754-df.S: New file.
776 * config/xtensa/ieee754-sf.S: New file.
777 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
778 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
779 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
781 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
783 * config/sh/predicates.md (binary_float_operator,
784 binary_logical_operator, commutative_float_operator,
785 equality_comparison_operator, greater_comparison_operator,
786 less_comparison_operator, logical_operator,
787 noncommutative_float_operator, shift_operator,
788 symbol_ref_operand, unary_float_operator): Remove redundant
791 2006-01-09 Jeff Law <law@redhat.com>
793 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
794 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
795 now unused arguments. Callers updated.
796 (eliminate_redundant_computations): Remove now unused arguments,
798 (local_fold): Remove, no longer used.
799 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
801 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
802 (simplify_cond): New function.
803 (forward_propagate_into_cond): Call simplify_cond.
805 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
807 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
808 (*vec_extractv2di_1_sse): New.
810 2006-01-09 Ben Elliston <bje@au.ibm.com>
812 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
814 2006-01-08 Richard Guenther <rguenther@suse.de>
816 * tree-ssa-structalias.c (get_constraint_for): Remove
818 (get_constraint_for_component_ref): Likewise.
819 (do_deref): Likewise.
820 (get_constraint_for): Likewise.
821 (do_structure_copy): Likewise.
822 (handle_ptr_arith): Likewise.
823 (find_func_aliases): Likewise. Remove unused need_anyoffset
826 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
827 Kaz Kojima <kkojima@gcc.gnu.org>
829 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
830 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
831 (EXTRA_CONSTRAINT_C16): Remove.
832 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
833 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
834 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
835 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
836 constants of SHmedia. Handle nested constant expressions of
838 (andcosts): Fix the costs for SHmedia constants.
839 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
840 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
841 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
842 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
843 (movv4hi_i, movv2si_i): Likewise.
844 (movsi_const): Adjust the second operand of ior so to match with
846 (movdi_const, movdi_const_32bit): Likewise.
847 (movdi_const_16bit+1): Don't sign-extend LOW.
848 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
850 (*double_shori): Fix the split condition. Use GEN_INT instead
851 of get_int_mode calls. Mask lower 16-bit of the argument of
853 (sym2GOTPLT): Remove.
854 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
856 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
857 instead of EXTRA_CONSTRAINT_C16.
859 2006-01-07 Ian Lance Taylor <ian@airs.com>
860 David Edelsohn <edelsohn@gnu.org>
862 PR rtl-optimization/25662
863 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
864 for constant operands instead of simplify_gen_binary.
865 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
866 after trying simplify_binary_operation
868 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
870 * tree.c (iterative_hash_expr): Hash decls based on UID.
872 2006-01-06 Eric Christopher <echristo@apple.com>
874 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
875 (TARGET_UNWIND_EMIT): Fix spelling.
876 * target.h (gcc_target): Add except_table_label.
877 * except.c (output_function_exception_table): Use.
878 * varasm.c (default_emit_except_table_label): New.
879 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
882 * output.h (default_emit_except_table_label): Prototype.
883 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
884 * config/darwin.c (darwin_emit_except_table_label): Define.
885 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
887 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
889 PR tree-optimization/18527
890 * tree-ssa-loop-niter.c (number_of_iterations_cond,
891 number_of_iterations_special, number_of_iterations_exit):
892 Move base and step of an iv to a single structure. Add
893 no_overflow flag, and use it in # of iterations analysis.
894 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
895 folded_casts argument.
896 (simple_iv): Pass base and step in a structure. Set no_overflow
898 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
899 Evaluate expensiveness of computing # of iterations instead of
900 the final expression.
901 * tree-scalar-evolution.h (affine_iv): New structure.
902 (simple_iv): Declaration changed.
903 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
904 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
905 find_givs_in_stmt): Changed due to simple_iv change.
907 2006-01-06 Jeff Law <law@redhat.com>
910 * tree-cfg.c (bsi_replace): Rename final argument from
911 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
912 change (stmt -> orig_stmt).
913 * tree-eh.c (verify_eh_throw_stmt_node): New function.
914 (bsi_remove): Add new argument. Remove EH information
916 (verify_eh_throw_table_statements): New function.
917 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
919 * tree-optimize.c (execute_free_cfg_annotations): Verify
920 the EH throw statement table after removing annotations.
921 * except.h (verify_eh_throw_table_statements): Prototype.
922 * tree-flow.h (bsi_remove): Update prototype.
923 * tree-vrp.c (remove_range_assertions): Add new argument to
925 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
926 * tree-complex.c (expand_complex_div_wide): Likewise.
927 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
928 * tree-tailcall.c (eliminate_tailcall): Likewise.
929 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
930 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
931 * tree-nrv.c (tree_nrv): Likewise.
932 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
933 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
934 (combine_blocks): Likewise.
935 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
936 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
937 (cleanup_control_flow): Likewise.
938 (remove_forwarder_block): Likewise.
939 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
940 * tree-sra.c (sra_replace): Likewise.
941 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
942 (forward_propagate_single_use_vars): Likewise.
943 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
944 * tree-inline.c (expand_call_inline): Likewise.
945 * tree-vect-transform.c (vect_transform_loop): Likewise.
946 * tree-outof-ssa.c (rewrite_trees): Likewise.
947 * tree-cfg.c (make_goto_expr_edges): Likewise.
948 (cleanup_dead_labels): Likewise.
949 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
950 (bsi_move_before, bsi_move_after): Likewise.
951 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
952 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
954 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
957 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
959 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
960 on non gimple variables. Also add checks at the top for decls and
962 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
964 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
965 and IMAGPART_EXPR for creating MUST_DEFs.
966 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
967 and NAME_MEMORY_TAG separately from the DECLs.
969 2006-01-06 Richard Guenther <rguenther@suse.de>
971 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
972 annotation, if necessary.
973 * tree-ssa-pre.c (create_expression_by_pieces): Remove
974 redundant calls to update_stmt.
975 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
978 2006-01-05 Richard Henderson <rth@redhat.com>
980 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
982 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
984 * c-typeck.c: Update copyright date.
986 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
988 * c-typeck.c (build_c_cast): Always warn when casting
989 from a pointer to an integer of different size, even if
990 the node was constant.
992 2006-01-05 Richard Guenther <rguenther@suse.de>
994 PR tree-optimization/22555
995 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
996 if one structure field is an array.
997 * tree-ssa-operands.c (get_expr_operands): Continue scanning
998 operands even if we found a subvar, but ignore VOPs in this
1000 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
1002 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
1004 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
1007 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
1009 2006-01-05 Richard Guenther <rguenther@suse.de>
1010 Diego Novillo <dnovillo@redhat.com>
1012 * tree-pass.h (TODO_remove_unused_locals): Define.
1013 * gimple-low.c (expand_var_p, remove_useless_vars,
1014 pass_remove_useless_vars): Remove. Update all users.
1015 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
1016 (remove_unused_locals): New function.
1017 * tree-flow.h (remove_unused_locals): Declare.
1018 * passes.c (execute_todo): Call remove_unused_locals if
1019 TODO_remove_unused_locals is set.
1020 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
1021 * tree-ssa-dce.c (pass_dce): Likewise.
1022 * tree-outof-ssa.c (pass_del_ssa): Likewise.
1024 2006-01-05 Richard Guenther <rguenther@suse.de>
1026 * tree-flow.h (struct fieldoff): Decompose field to
1027 type, size and decl.
1028 * tree-ssa-alias.c (create_sft): Take type as parameter.
1029 (create_overlap_variables_for): Store type, size and decl
1030 in the fieldoff structure.
1031 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
1033 (push_fields_onto_fieldstack): Likewise.
1034 (create_variable_info_for): Likewise. Use offset for the
1035 SFT name if the decl is not available.
1037 2006-01-04 Paul Brook <paul@codesourcery.com>
1039 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
1041 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
1043 * lambda-code.c (can_put_in_inner_loop): Relax
1045 (can_put_after_inner_loop): New function.
1046 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
1047 (perfect_nestify): Change to make copies and modify uses.
1049 2006-01-04 Richard Henderson <rth@redhat.com>
1051 Merge from gomp branch:
1052 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
1053 via integer constant.
1054 (pragma_lex): Remove.
1055 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
1056 rather than parsing it.
1057 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
1058 handle_pragma_extern_prefix): Add %< %> quotes.
1059 (registered_pragmas): New.
1060 (c_register_pragma_1): New.
1061 (c_register_pragma): Use it.
1062 (c_register_pragma_with_expansion): Likewise.
1063 (c_invoke_pragma_handler): New.
1064 (init_pragma): Use cpp_register_deferred_pragma directly for
1066 * c-pragma.h (enum pragma_kind): New.
1067 (pragma_handler): New.
1068 (c_invoke_pragma_handler): Declare.
1069 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
1071 * c-common.h (c_common_pch_pragma): Update decl.
1072 * Makefile.in (c-parser.o): Update dependencies.
1073 (GTFILES): Add c-pragma.h.
1074 * c-parser.c (struct c_token): Add pragma_kind.
1075 (struct c_parser): Add in_pragma.
1076 (c_lex_one_token): Always initialize keyword and pragma_kind.
1077 Extract data for CPP_PRAGMA.
1078 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
1079 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
1080 Don't allow CPP_PRAGMA_EOL if in_pragma.
1081 (c_parser_consume_pragma): New.
1082 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
1083 (c_parser_skip_to_end_of_parameter): Likewise.
1084 (c_parser_skip_to_end_of_block_or_statement): Likewise.
1085 (c_parser_skip_to_pragma_eol): New.
1086 (c_parser_external_declaration): Handle CPP_PRAGMA.
1087 (c_parser_compound_statement_nostart): Likewise.
1088 (c_parser_statement_after_labels): Likewise.
1089 (c_parser_pragma): New.
1090 (pragma_lex): Likewise.
1091 (c_parser_pragma_pch_preprocess): New.
1092 (c_parser_new): Merge into ...
1093 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
1095 2006-01-04 Jeff Law <law@redhat.com>
1098 * tree-cfg.c (bsi_replace): Remove the original statement
1099 from the EH throw statement table.
1101 2006-01-04 Jakub Jelinek <jakub@redhat.com>
1103 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
1104 make the prototype extern "C" and add throw ().
1107 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
1108 and pos non-negative and pos + len <= 32.
1109 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
1110 drop pos + len < HOST_BITS_PER_WIDE_INT test.
1111 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
1114 * c-common.c (handle_vector_size_attribute): Reject zero vector size
1115 as well as sizes not multiple of component size.
1118 * function.c (instantiate_expr): New function.
1119 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
1120 walk its DECL_VALUE_EXPR with instantiate_expr.
1122 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
1123 DW_OP_deref{,_size} if address isn't going to be added.
1125 2006-01-04 Ben Elliston <bje@au.ibm.com>
1127 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
1128 * config/fp-bit.c: Likewise.
1130 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
1132 * dominance.c: Add comment about why we use DFS numbering
1135 2006-01-03 Jakub Jelinek <jakub@redhat.com>
1136 Richard Henderson <rth@redhat.com>
1138 Merge from gomp-branch:
1139 * varasm.c (assemble_variable): Handle thread-local COMMON data.
1140 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
1142 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
1144 PR rtl-optimization/25578
1145 * combine.c (combine_simplify_rtx, force_to_mode): Don't
1146 pass a parameter to simplify_shift_const if changing ASHIFTRT
1149 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
1151 * builtins.c (get_builtin_sync_mem): New function.
1152 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
1153 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
1154 Call get_builtin_sync_mem to generate mem rtx.
1156 2006-01-03 Richard Guenther <rguenther@suse.de>
1159 * stmt.c (add_case_node): Make sure to clear overflow flags
1162 2006-01-03 Jakub Jelinek <jakub@redhat.com>
1164 Merge from gomp-branch.
1165 * config/sparc/sync.md: New file.
1166 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
1167 UNSPECV_LDSTUB): New constants.
1168 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
1169 * config/sparc/predicates.md (memory_reg_operand): New predicate.
1170 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
1173 2006-01-03 Roger Sayle <roger@eyesopen.com>
1175 * combine.c (reg_subword_p): New predicate to test whether the
1176 destination of a set refers to a subword/piece of a register.
1177 (try_combine): Generalize the code to merge the setting of a
1178 pseudo to a constant followed by a set of a subword of that
1179 register to a constant.
1181 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
1183 * basic-block.h (control_flow_graph): Change the type of
1184 x_label_to_block_map to VEC(basic_block,gc) *.
1185 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
1186 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
1188 * tree-ssa-propagate.c (cfg_blocks): Change the type to
1189 VEC(basic_block,heap) *.
1190 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
1191 ssa_prop_fini): Adjust the uses of cfg_blocks.
1193 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
1195 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
1197 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
1198 hashing trees instead of a pointer hash.
1199 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
1200 compare for MEM_EXPR.
1202 PR rtl-optimization/25130
1203 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
1204 when comparing MEMs for GCSE
1206 2006-01-03 Ben Elliston <bje@au.ibm.com>
1208 * targhooks.h (default_decimal_float_supported_p): Declare.
1209 * targhooks.c (default_decimal_float_supported_p): Define.
1210 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
1211 `default_decimal_float_supported_p'.
1212 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
1214 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
1216 * combine.c (apply_distributive_law <SUBREG>): Check
1217 TRULY_NOOP_TRUNCATION.
1219 2006-01-02 Geoffrey Keating <geoffk@apple.com>
1221 * dwarf2out.c (have_switched_text_section): Delete.
1222 (have_multiple_function_sections): New.
1223 (have_location_lists): Make 'bool'.
1224 (add_AT_loc_list): Use 'true' not '1'.
1225 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
1226 (output_loc_list): Use have_multiple_function_sections.
1227 (output_ranges): Likewise.
1228 (dwarf2out_begin_function): Set have_multiple_function_sections if
1230 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
1231 Check function_section rather than DECL_SECTION_NAME.
1232 (dwarf2out_finish): Use have_multiple_function_sections.
1233 Don't clear have_location_lists.
1235 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
1236 Jan Hubicka <jh@suse.cz>
1238 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
1239 case of conditional jump jumping to the next instruction.
1240 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
1241 cases of conditional jump jumping to the next instruction.
1243 2006-01-02 Jan Hubicka <jh@suse.cz>
1245 * i386.c (*_cost): Add COSTS_N_INSNS.
1246 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
1248 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
1251 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
1253 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1255 * config/arm/arm.c (all_fpus): Fix comment typo.
1256 * config/darwin.c: Likewise.
1257 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
1258 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
1259 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
1261 2006-01-01 David Edelsohn <edelsohn@gnu.org>
1263 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
1264 (rs6000_split_compare_and_swapqhi): New.
1265 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
1266 (sync_compare_and_swapqhi_internal): New.
1267 * config/rs6000/rs6000-protos.h: Declare.