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1 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2
3         PR target/25168
4         * tree.c (get_file_function_name_long): Concatenate the first global
5         object name with a string derived from the input filename of the object
6         for type "F".
7
8 2006-01-16  Ben Elliston  <bje@au.ibm.com>
9
10         * config/i386/winnt-stubs.c: Update FSF address.
11         * config/xtensa/ieee754-df.S: Ditto.
12         * config/xtensa/ieee754-sf.S: Ditto.
13
14 2006-01-14  Ian Lance Taylor  <ian@airs.com>
15
16         * ifcvt.c (noce_init_if_info): New static function, broken out of
17         noce_process_if_block.
18         (noce_process_if_block): Call noce_init_if_info.
19         (check_cond_move_block): New static function.
20         (cond_move_process_if_block): New static function.
21         (process_if_block): Call cond_move_process_if_block.
22
23 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
24
25         * cselib.c (hash_table): Rename to cselib_hash_table.
26         (cselib_clear_table, discard_useless_values,
27         remove_useless_values, cselib_lookup_mem, cselib_lookup,
28         cselib_init, cselib_finish): Adjust uses of hash_table.
29
30 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
31
32         PR tree-optimization/25485
33         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
34         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
35         is known to be false and true, respectively.
36
37 2006-01-14  Richard Guenther  <rguenther@suse.de>
38
39         PR tree-optimization/22548
40         PR tree-optimization/22555
41         PR tree-optimization/22501
42         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
43         * params.def (salias-max-array-elements): New parameter.
44         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
45         * doc/invoke.texi (salias-max-array-elements): Document.
46         * tree-flow-inline.h (var_can_have_subvars): We also handle
47         arrays now.
48         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
49         COMPONENT_REF.
50         * tree-ssa-structalias.c (params.h): Include.
51         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
52         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
53         (get_constraint_for): For ADDR_EXPR operating on something
54         containing an ARRAY_REF, add all subvars to the solution.
55         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
56         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
57         for creating MUST_DEFs.
58         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
59
60 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
61
62         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
63         functions.
64         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
65         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
66         number_of_iterations_le): New functions.
67         (number_of_iterations_special): Removed.
68         (number_of_iterations_exit): Do not use number_of_iterations_special.
69         * tree.c (unsigned_type_for): Always return integer type.
70
71 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
72         Richard Guenther  <rguenther@suse.de>
73
74         PR rtl-optimization/24257
75         * gcse.c (find_moveable_store): Only consider a store movable
76         when the SET_SRC of the insn can be assigned to a register.
77
78 2006-01-14  Ian Lance Taylor  <ian@airs.com>
79
80         * tree.c (tree_not_class_check_failed): New function.
81         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
82         (tree_not_class_check_failed): Declare.
83
84 2006-01-13  Ian Lance Taylor  <ian@airs.com>
85
86         * reload1.c (do_output_reload): Add assertion rejecting a
87         CALL_INSN.
88
89 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
90
91         * combine.c (struct reg_stat): Add new fields truncation_label and
92         truncated_to_mode.
93         (record_value_for_reg): Reset truncated_to_mode.
94         (record_truncated_value): New function.
95         (check_promoted_subreg): Call it.  Rename to check_conversions.
96         (combine_instructions): Rename check_promoted_subreg to
97         check_conversions.
98         (reg_truncated_to_mode): New function.
99         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
100         (gen_lowpart_or_truncate): New function.
101         (force_to_mode): Use it instead of gen_lowpart.
102
103 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
104
105         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
106         VAR is a tag, not its type tag.
107
108 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
109
110         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
111         alternatives to match style of other entries.
112         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
113
114 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
115
116         PR tree-optimization/25771
117         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
118         SSA_NAMES.
119
120 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
121
122         PR tree-opt/24365
123         * tree-inline.c (declare_return_variable): If the return variable
124         was marked as a non gimple complex, set the return slot variable
125         to be a non gimple comple variable.
126
127 2006-01-13  Richard Guenther  <rguenther@suse.de>
128
129         * builtins.c (expand_builtin_sincos): New function.
130         (expand_builtin_mathfn_3): Remove dead code, sin and cos
131         do not set errno.
132         (expand_builtin): Expand sincos using expand_builtin_sincos.
133
134 2006-01-12  DJ Delorie  <dj@redhat.com>
135
136         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
137         shift counts, separate SI shifts for m32c vs m16c, pass shift type
138         so that constant shifts can be split.
139         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
140         (m32c_valid_pointer_mode): Make static.
141         (shift_gen_func_for): New.
142         (m32c_prepare_shift): Use it.  Split large const shifts into
143         multiple shifts.
144         * config/m32c/predicates.md (shiftcount_operand): Allow more
145         general operands.
146         (longshiftcount_operand): New.
147         * doc/md.texi (Machine Constraints): Document In6.
148
149 2006-01-13  Ben Elliston  <bje@au.ibm.com>
150
151         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
152         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
153         documentation.
154
155 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
156
157         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
158         to try to avoid clobbering pieces of structures when we know
159         something about the whole structure.
160         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
161
162 2006-01-13  Ben Elliston  <bje@au.ibm.com>
163
164         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
165         return in memory, as this is no limitation is no longer present.
166
167 2006-01-12  DJ Delorie  <dj@redhat.com>
168
169         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
170         mova with fb, and for fb+0 -> An.
171
172         * config/m32c/mov.md (peephole2): Fix enabling logic.
173
174         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
175         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
176         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
177         FINI_ARRAY_SECTION_ASM_OP): Define.
178
179         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
180         variable.
181         (m32c_legitimize_reload_address): New logic to reload FB to An.
182         (m32c_output_reg_push): Add newline.
183         (m32c_output_reg_pop): Likewise.
184
185 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
186
187         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
188
189 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
190
191         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
192
193 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
194
195         * config/sh/predicates.md (sh_rep_vec): Add parallel to
196         match_code.
197
198 2006-01-11  Ben Elliston  <bje@au.ibm.com>
199
200         * rtlanal.c (find_reg_note): Assert insn is not null.
201
202 2005-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
203
204         * df-scan.c (df_hard_reg_init): Move declaration of i outside
205         ifdef.
206
207 2006-01-11  Jeff Law  <law@redhat.com>
208
209         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
210         hold edge pairs.
211         (mark_threaded_blocks, register_jump_thread): New functions.
212         (thread_through_all_blocks): Remove unwanted argument.  No
213         longer rely on e->aux to communicate thread target info.
214         Call mark_threaded_blocks.  Release the threaded_blocks
215         bitmap and threaded_edges vector when complete.
216         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
217         (threaded_blocks): Remove.
218         (tree_ssa_dominator_optimize): Remove initialization and
219         finalization of threaded_blocks.  Simplify call to
220         thread_through_all_blocks.
221         (thread_across_edge): Call register_jump_thread rather than
222         storing thread information into e->aux.
223         (free_all_edge_infos): Simplify now that e->aux is no longer
224         used to communicate with thread_through_all_blocks.
225         * tree-flow.h (thread_through_all_blocks): Update prototype.
226         (register_jump_thread): Prototype.
227         
228 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
229
230         * df-core.c (df_compact_blocks, df_bb_replace): Use
231         SET_BASIC_BLOCK instead of BASIC_BLOCK.
232
233 2006-01-11  Richard Guenther  <rguenther@suse.de>
234
235         PR tree-optimization/25734
236         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
237         stop propagation after successful propagation to the LHS.
238
239 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
240
241         * basic-block.h (control_flow_graph): Change the type of
242         x_basic_block_info to VEC(basic_block,gc) *.
243         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
244         basic_block_info.
245         (SET_BASIC_BLOCK): New.
246         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
247         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
248         * cfgbuild.c (find_basic_blocks): Likewise.
249         * cfglayout.c (fixup_reorder_chain): Likewise.
250         * cfgrtl.c (create_basic_block_structure,
251         rtl_create_basic_block): Likewise.
252         * ifcvt.c (find_if_case_1): Likewise.
253         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
254         Likewise.
255
256 2005-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
257
258         * Makefile.in: Removed rotted odf.c entry.
259         
260 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
261
262         PR target/25706
263         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
264         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
265         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
266         output pattern modifier, not %e.
267         * config/cris/cris.c (cris_op_str): Update comment about pattern
268         modifier.
269         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
270         before falling through into...
271         <case 'E'>: Redefined from old 'e' case.
272
273 2006-01-11  Jan Hubicka  <jh@suse.cz>
274
275         PR target/25042
276         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
277
278 2006-01-11  Jan Hubicka  <jh@suse.cz>
279
280         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
281         * i386.c (x86_decompose_lea): Kill.
282         (ix86_rtx_costs): Kill.
283
284 2006-01-11  Jan Hubicka  <jh@suse.cz>
285
286         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
287         * cgraph.h (cgraph_node): Add inline_decl.
288         (cgraph_insert_node_to_hashtable): Declare.
289         (save_inline_function_body): Declare.
290         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
291         clones.
292         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
293         (cgraph_function_versioning): Update call of tree_function_versioning.
294         (save_inline_function_body): New function.
295         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
296         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
297         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
298         (cgraph_default_inline_p): Likewise.
299         (cgraph_decide_inlining_incrementally): Likewise.
300         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
301         (copy_bb): Kill saving; do updating of clones.
302         (copy_cfg_body): Kill saving.
303         (initialize_inlined-parameters): Likewise.
304         (expand_call_inline): Likewise.
305         (save_body): Kill.
306         (tree_function_versioning): New parameter "update_clones".
307         (inlining_p): Kill saving.
308         * tree-inline.h (tree_function_versioning): Update prototype.
309         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
310         saving.
311
312 2006-01-11  Ian Lance Taylor <ian@airs.com>
313
314         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
315         Allow undoing set of machine mode.
316         (do_SUBST): Use enums instead of is_int.
317         (do_SUBST_MODE): New function.
318         (SUBST_MODE): New macro.
319         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
320         reg and trying to replace reg_regno_rtx with a new register.
321         (undo_all): Use new enums, handle undoing a PUT_MODE change.
322         (simplify_set): Use SUBST_MODE.
323         (distribute_notes): Remove code that tried to update reg notes
324         for regno_reg_rtx changes.
325
326 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
327
328         PR tree-optimization/23109
329         PR tree-optimization/23948
330         PR tree-optimization/24123
331
332         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
333         * tree-cfg.c (single_noncomplex_succ): New.
334         * tree-flow.h (single_noncomplex_succ): Declare it.
335         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
336         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
337         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
338         insert_bb, register_division_in, insert_reciprocals,
339         replace_reciprocal, free_bb): New.
340         (execute_cse_reciprocals_1): Rewritten.
341         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
342         Do not commit any edge insertion.  Always compute dominators and
343         create the allocation pool.
344         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
345         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
346         * targhooks.c (default_min_divistions_for_recip_mul): New.
347         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
348         * passes.c (init_optimization_passes): Run recip after tree loop
349         optimizations.
350         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
351
352 2005-01-11  Danny Berlin <dberlin@dberlin.org>
353             Kenneth Zadeck <zadeck@naturalbridge.com>
354
355         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
356         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
357         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
358         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
359         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
360         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
361         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
362         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
363         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
364         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
365         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
366         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
367         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
368         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
369         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
370         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
371         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
372         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
373         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
374         DF_SCAN_POST_ALLOC): New macros.
375         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
376         df_free_bb_function, df_local_compute_function, df_init_function,
377         df_dataflow_function, df_confluence_function_0,
378         df_confluence_function_n, df_transfer_function,
379         df_finalizer_function, df_free_function, df_dump_problem_function,
380         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
381         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
382         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
383         df_urec_bb_info, ) New types.
384         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
385         variables.
386         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
387         df_analyze_simple_change_some_blocks,
388         df_analyze_simple_change_one_block, df_compact_blocks,
389         df_bb_replace, df_bb_regno_last_use_find,
390         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
391         df_insn_regno_def_p, df_find_def, df_find_use,
392         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
393         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
394         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
395         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
396         debug_df_chain, df_get_dependent_problem, df_chain_create,
397         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
398         df_grow_bb_info, df_chain_dump, df_print_bb_index,
399         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
400         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
401         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
402         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
403         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
404         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
405         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
406         df_ref_remove, df_insn_refs_delete, df_refs_delete,
407         df_reorganize_refs, df_set_state, df_hard_reg_init,
408         df_read_modify_subreg_p) New public functions.
409         * df-core.c: The core dataflow solver and glue routines for rtl
410         dataflow.
411         (df_init, df_add_problem, df_set_blocks, df_finish,
412         df_hybrid_search_forward, df_hybrid_search_backward,
413         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
414         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
415         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
416         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
417         df_reg_defined, df_find_use, df_reg_used, df_dump,
418         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
419         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
420         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
421         debug_df_useno, reset_df_after_reload): New functions.
422         * df-scan.c: The scanning fuctions, once in df.c, completely
423         rewritten so that they now fully model the functionality of
424         register usage at the backend.
425         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
426         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
427         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
428         df_grow_insn_info, df_rescan_blocks, df_ref_create,
429         df_get_artificial_defs, df_get_artificial_uses,
430         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
431         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
432         df_refs_delete, df_reorganize_refs, df_set_state,
433         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
434         df_def_record_1, df_defs_record, df_uses_record,
435         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
436         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
437         df_record_exit_block_uses, df_hard_reg_init): New functions.
438
439         * df-problems.c: Seven concrete dataflow problems that use the
440         scanning in df-scan.c and are solved by the engine in df-core.c.
441         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
442         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
443         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
444         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
445         df_ru_free_bb_info, df_ru_alloc,
446         df_ru_bb_local_compute_process_def,
447         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
448         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
449         df_ru_transfer_function, df_ru_free, df_ru_dump,
450         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
451         df_rd_free_bb_info, df_rd_alloc,
452         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
453         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
454         df_rd_transfer_function, df_rd_free, df_rd_dump,
455         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
456         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
457         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
458         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
459         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
460         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
461         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
462         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
463         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
464         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
465         df_urec_mark_reg_change, df_urec_check_earlyclobber,
466         df_urec_mark_reg_use_for_earlyclobber,
467         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
468         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
469         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
470         df_urec_dump, df_urec_add_problem, df_chain_alloc,
471         df_chain_create_bb_process_use, df_chain_create_bb,
472         df_chain_finalize, df_chain_free, df_chains_dump,
473         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
474         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
475         df_reg_lifetime): New functions.
476         * df.c: Deleted file.
477         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
478         consistent with new df api.
479         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
480         rest_of_handle_sms): Ditto.
481         * web.c (unionfind_union, union_defs, entry_register, web_main):
482         Ditto.
483         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
484         invariant_expr_equal_p, find_defs, check_dependencies,
485         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
486         free_inv_motion_data, move_loop_invariants): Ditto.
487         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c): 
488         Update dependencies.
489         (odf.c): Added defective entry that was deleted later in day.
490         * sched-deps.c (sched_analyze_1): Ditto.
491
492 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
493
494         * tree-ssa-operands.c (get_expr_operands): Record addressable
495         variables directly.  Do not call add_stmt_operands for CONST_DECLs
496         and ARRAY_DECLs.
497         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
498         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
499
500 2006-01-11  Ben Elliston  <bje@au.ibm.com>
501
502         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
503         function returns true in the positive case.
504
505 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
506
507         PR target/20754
508         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
509         for SI, DI, SF and DF modes.  Add alternatives to copy between
510         general and floating point registers to the 32-bit patterns.
511         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
512         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
513         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
514         generating 64-bit code.
515         * config/pa/pa.c (output_move_double): Handle copies between general
516         and floating registers.
517
518 2006-01-10  Stuart Hastings  <stuart@apple.com>
519
520         * config/i386/i386.md (set_got): Update.
521         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
522         (builtin_setjmp_receiver): Mach-O support.
523         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
524         (GOT_SYMBOL_NAME): Define.
525         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
526         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
527         * config/i386/i386.c (override_options): Revise for Darwin.
528         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
529         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
530         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
531         * config/i386/i386-protos.h (output_set_got): Likewise.
532         * config/darwin.c (machopic_legitimize_pic_address): Update
533         regs_ever_live[].
534
535 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
536
537         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
538         when MODE isn't BLKmode.
539
540 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
541
542         PR rtl-optimization/25367
543         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
544
545 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
546
547         PR target/25718
548         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
549         for a negative bound.
550
551 2006-01-10  Richard Guenther  <rguenther@suse.de>
552
553         * tree-ssa-structalias.c (get_constraint_for_component_ref):
554         Never override with anything constraint.
555
556 2006-01-10  Jan Beulich  <jbeulich@novell.com>
557
558         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
559         256 bits when optimize_size.
560
561 2006-01-10  Jan Beulich  <jbeulich@novell.com>
562
563         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
564         MASK_ALIGN_DOUBLE.
565         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
566         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
567         arguments.
568
569 2006-01-10  Ben Elliston  <bje@au.ibm.com>
570
571         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
572         float modes.
573         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
574         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
575         (USE_FP_FOR_ARG): Reject decimal float modes.
576         (function_arg_advance): Likewise.
577         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
578         (rs6000_handle_altivec_attribute): Do not permit decimal floating
579         point types in AltiVec vectors.
580         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
581         (rs6000_libcall_value): Likewise.
582
583 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
584
585         * config/xtensa/ieee754-df.S: New file.
586         * config/xtensa/ieee754-sf.S: New file.
587         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
588         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
589         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
590
591 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
592
593         * config/sh/predicates.md (binary_float_operator,
594         binary_logical_operator, commutative_float_operator,
595         equality_comparison_operator, greater_comparison_operator,
596         less_comparison_operator, logical_operator,
597         noncommutative_float_operator, shift_operator,
598         symbol_ref_operand, unary_float_operator): Remove redundant
599         conditionals.
600
601 2006-01-09  Jeff Law  <law@redhat.com>
602
603         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
604         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
605         now unused arguments.  Callers updated.
606         (eliminate_redundant_computations): Remove now unused arguments,
607         callers updated.
608         (local_fold): Remove, no longer used.
609         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
610         and moved to...
611         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
612         (simplify_cond): New function.
613         (forward_propagate_into_cond): Call simplify_cond.
614
615 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
616
617         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
618         (*vec_extractv2di_1_sse): New.
619
620 2006-01-09  Ben Elliston  <bje@au.ibm.com>
621
622         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
623
624 2006-01-08  Richard Guenther  <rguenther@suse.de>
625
626         * tree-ssa-structalias.c (get_constraint_for): Remove
627         anyoffset argument.
628         (get_constraint_for_component_ref): Likewise.
629         (do_deref): Likewise.
630         (get_constraint_for): Likewise.
631         (do_structure_copy): Likewise.
632         (handle_ptr_arith): Likewise.
633         (find_func_aliases): Likewise.  Remove unused need_anyoffset
634         variable.
635
636 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
637             Kaz Kojima  <kkojima@gcc.gnu.org>
638
639         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
640         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
641         (EXTRA_CONSTRAINT_C16): Remove.
642         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
643         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
644         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
645         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
646         constants of SHmedia.  Handle nested constant expressions of
647         SHmedia correctly.
648         (andcosts): Fix the costs for SHmedia constants.
649         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
650         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
651         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
652         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
653         (movv4hi_i, movv2si_i): Likewise.
654         (movsi_const): Adjust the second operand of ior so to match with
655         the Csu constraint.
656         (movdi_const, movdi_const_32bit): Likewise.
657         (movdi_const_16bit+1): Don't sign-extend LOW.
658         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
659         step.
660         (*double_shori): Fix the split condition.  Use GEN_INT instead
661         of get_int_mode calls.  Mask lower 16-bit of the argument of
662         the last GEN_INT.
663         (sym2GOTPLT): Remove.
664         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
665         gen_rtx_UNSPEC.
666         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
667         instead of EXTRA_CONSTRAINT_C16.
668
669 2006-01-07  Ian Lance Taylor  <ian@airs.com>
670             David Edelsohn  <edelsohn@gnu.org>
671
672         PR rtl-optimization/25662
673         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
674         for constant operands instead of simplify_gen_binary.
675         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
676         after trying simplify_binary_operation
677
678 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
679
680         * tree.c (iterative_hash_expr): Hash decls based on UID.
681
682 2006-01-06  Eric Christopher  <echristo@apple.com>
683
684         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
685         (TARGET_UNWIND_EMIT): Fix spelling.
686         * target.h (gcc_target): Add except_table_label.
687         * except.c (output_function_exception_table): Use.
688         * varasm.c (default_emit_except_table_label): New.
689         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
690         define.
691         (asm_out): Add here.
692         * output.h (default_emit_except_table_label): Prototype.
693         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
694         * config/darwin.c (darwin_emit_except_table_label): Define.
695         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
696
697 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
698
699         PR tree-optimization/18527
700         * tree-ssa-loop-niter.c (number_of_iterations_cond,
701         number_of_iterations_special, number_of_iterations_exit):
702         Move base and step of an iv to a single structure.  Add
703         no_overflow flag, and use it in # of iterations analysis.
704         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
705         folded_casts argument.
706         (simple_iv): Pass base and step in a structure.  Set no_overflow
707         flag.
708         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
709         Evaluate expensiveness of computing # of iterations instead of
710         the final expression.
711         * tree-scalar-evolution.h (affine_iv): New structure.
712         (simple_iv): Declaration changed.
713         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
714         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
715         find_givs_in_stmt): Changed due to simple_iv change.
716
717 2006-01-06  Jeff Law  <law@redhat.com>
718
719         PR ada/24994
720         * tree-cfg.c (bsi_replace): Rename final argument from
721         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
722         change (stmt -> orig_stmt).
723         * tree-eh.c (verify_eh_throw_stmt_node): New function.
724         (bsi_remove): Add new argument.  Remove EH information
725         if requested.
726         (verify_eh_throw_table_statements): New function.
727         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
728         updated.
729         * tree-optimize.c (execute_free_cfg_annotations): Verify
730         the EH throw statement table after removing annotations.
731         * except.h (verify_eh_throw_table_statements): Prototype.
732         * tree-flow.h (bsi_remove): Update prototype.
733         * tree-vrp.c (remove_range_assertions): Add new argument to
734         bsi_remove call.
735         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
736         * tree-complex.c (expand_complex_div_wide): Likewise.
737         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
738         * tree-tailcall.c (eliminate_tailcall): Likewise.
739         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
740         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
741         * tree-nrv.c (tree_nrv): Likewise.
742         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
743         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
744         (combine_blocks): Likewise.
745         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
746         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
747         (cleanup_control_flow): Likewise.
748         (remove_forwarder_block): Likewise.
749         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
750         * tree-sra.c (sra_replace): Likewise.
751         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
752         (forward_propagate_single_use_vars): Likewise.
753         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
754         * tree-inline.c (expand_call_inline): Likewise.
755         * tree-vect-transform.c (vect_transform_loop): Likewise.
756         * tree-outof-ssa.c (rewrite_trees): Likewise.
757         * tree-cfg.c (make_goto_expr_edges): Likewise.
758         (cleanup_dead_labels): Likewise.
759         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
760         (bsi_move_before, bsi_move_after): Likewise.
761         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
762         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
763
764 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
765
766         PR tree-opt/25528
767         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
768         and IMAGPART_EXPR.
769         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
770         on non gimple variables.  Also add checks at the top for decls and
771         mtags.
772         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
773         complex types.
774         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
775         and IMAGPART_EXPR for creating MUST_DEFs.
776         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
777         and NAME_MEMORY_TAG separately from the DECLs.
778
779 2006-01-06  Richard Guenther  <rguenther@suse.de>
780
781         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
782         annotation, if necessary.
783         * tree-ssa-pre.c (create_expression_by_pieces): Remove
784         redundant calls to update_stmt.
785         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
786         Likewise.
787
788 2006-01-05  Richard Henderson  <rth@redhat.com>
789
790         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
791
792 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
793
794         * c-typeck.c: Update copyright date.
795
796 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
797
798         * c-typeck.c (build_c_cast): Always warn when casting
799         from a pointer to an integer of different size, even if
800         the node was constant.
801
802 2006-01-05  Richard Guenther  <rguenther@suse.de>
803
804         PR tree-optimization/22555
805         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
806         if one structure field is an array.
807         * tree-ssa-operands.c (get_expr_operands): Continue scanning
808         operands even if we found a subvar, but ignore VOPs in this
809         case.
810         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
811         for renaming.
812         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
813
814 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
815
816         PR middle-end/24998
817         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
818
819 2006-01-05  Richard Guenther  <rguenther@suse.de>
820             Diego Novillo  <dnovillo@redhat.com>
821
822         * tree-pass.h (TODO_remove_unused_locals): Define.
823         * gimple-low.c (expand_var_p, remove_useless_vars,
824         pass_remove_useless_vars): Remove.  Update all users.
825         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
826         (remove_unused_locals): New function.
827         * tree-flow.h (remove_unused_locals): Declare.
828         * passes.c (execute_todo): Call remove_unused_locals if
829         TODO_remove_unused_locals is set.
830         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
831         * tree-ssa-dce.c (pass_dce): Likewise.
832         * tree-outof-ssa.c (pass_del_ssa): Likewise.
833
834 2006-01-05  Richard Guenther  <rguenther@suse.de>
835
836         * tree-flow.h (struct fieldoff): Decompose field to
837         type, size and decl.
838         * tree-ssa-alias.c (create_sft): Take type as parameter.
839         (create_overlap_variables_for): Store type, size and decl
840         in the fieldoff structure.
841         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
842         of struct fieldoff.
843         (push_fields_onto_fieldstack): Likewise.
844         (create_variable_info_for): Likewise.  Use offset for the
845         SFT name if the decl is not available.
846
847 2006-01-04  Paul Brook  <paul@codesourcery.com>
848
849         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
850
851 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
852
853         * lambda-code.c (can_put_in_inner_loop): Relax
854         restrictions.
855         (can_put_after_inner_loop): New function.
856         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
857         (perfect_nestify): Change to make copies and modify uses.
858
859 2006-01-04  Richard Henderson  <rth@redhat.com>
860
861         Merge from gomp branch:
862         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
863         via integer constant.
864         (pragma_lex): Remove.
865         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
866         rather than parsing it.
867         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
868         handle_pragma_extern_prefix): Add %< %> quotes.
869         (registered_pragmas): New.
870         (c_register_pragma_1): New.
871         (c_register_pragma): Use it.
872         (c_register_pragma_with_expansion): Likewise.
873         (c_invoke_pragma_handler): New.
874         (init_pragma): Use cpp_register_deferred_pragma directly for
875         pch_preprocess.
876         * c-pragma.h (enum pragma_kind): New.
877         (pragma_handler): New.
878         (c_invoke_pragma_handler): Declare.
879         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
880         CPP_PRAGMA_EOL.
881         * c-common.h (c_common_pch_pragma): Update decl.
882         * Makefile.in (c-parser.o): Update dependencies.
883         (GTFILES): Add c-pragma.h.
884         * c-parser.c (struct c_token): Add pragma_kind.
885         (struct c_parser): Add in_pragma.
886         (c_lex_one_token): Always initialize keyword and pragma_kind.
887         Extract data for CPP_PRAGMA.
888         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
889         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
890         Don't allow CPP_PRAGMA_EOL if in_pragma.
891         (c_parser_consume_pragma): New.
892         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
893         (c_parser_skip_to_end_of_parameter): Likewise.
894         (c_parser_skip_to_end_of_block_or_statement): Likewise.
895         (c_parser_skip_to_pragma_eol): New.
896         (c_parser_external_declaration): Handle CPP_PRAGMA.
897         (c_parser_compound_statement_nostart): Likewise.
898         (c_parser_statement_after_labels): Likewise.
899         (c_parser_pragma): New.
900         (pragma_lex): Likewise.
901         (c_parser_pragma_pch_preprocess): New.
902         (c_parser_new): Merge into ...
903         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
904
905 2006-01-04  Jeff Law  <law@redhat.com>
906
907         PR ada/24994
908         * tree-cfg.c (bsi_replace): Remove the original statement
909         from the EH throw statement table.
910
911 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
912
913         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
914         make the prototype extern "C" and add throw ().
915
916         PR target/25554
917         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
918         and pos non-negative and pos + len <= 32.
919         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
920         drop pos + len < HOST_BITS_PER_WIDE_INT test.
921         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
922
923         PR c/25559
924         * c-common.c (handle_vector_size_attribute): Reject zero vector size
925         as well as sizes not multiple of component size.
926
927         PR debug/25562
928         * function.c (instantiate_expr): New function.
929         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
930         walk its DECL_VALUE_EXPR with instantiate_expr.
931
932         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
933         DW_OP_deref{,_size} if address isn't going to be added.
934
935 2006-01-04  Ben Elliston  <bje@au.ibm.com>
936
937         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
938         * config/fp-bit.c: Likewise.
939
940 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
941
942         * dominance.c: Add comment about why we use DFS numbering
943         of dominance tree.
944
945 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
946             Richard Henderson  <rth@redhat.com>
947
948         Merge from gomp-branch:
949         * varasm.c (assemble_variable): Handle thread-local COMMON data.
950         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
951
952 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
953
954         PR rtl-optimization/25578
955         * combine.c (combine_simplify_rtx, force_to_mode): Don't
956         pass a parameter to simplify_shift_const if changing ASHIFTRT
957         to LSHIFTRT.
958
959 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
960
961         * builtins.c (get_builtin_sync_mem): New function.
962         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
963         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
964         Call get_builtin_sync_mem to generate mem rtx.
965
966 2006-01-03  Richard Guenther  <rguenther@suse.de>
967
968         PR c/25183
969         * stmt.c (add_case_node): Make sure to clear overflow flags
970         from ranges.
971
972 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
973
974         Merge from gomp-branch.
975         * config/sparc/sync.md: New file.
976         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
977         UNSPECV_LDSTUB): New constants.
978         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
979         * config/sparc/predicates.md (memory_reg_operand): New predicate.
980         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
981         prototype.
982
983 2006-01-03  Roger Sayle  <roger@eyesopen.com>
984
985         * combine.c (reg_subword_p): New predicate to test whether the
986         destination of a set refers to a subword/piece of a register.
987         (try_combine): Generalize the code to merge the setting of a
988         pseudo to a constant followed by a set of a subword of that
989         register to a constant.
990
991 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
992
993         * basic-block.h (control_flow_graph): Change the type of
994         x_label_to_block_map to VEC(basic_block,gc) *.
995         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
996         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
997
998         * tree-ssa-propagate.c (cfg_blocks): Change the type to
999         VEC(basic_block,heap) *.
1000         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
1001         ssa_prop_fini): Adjust the uses of cfg_blocks.
1002
1003 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
1004
1005         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
1006         COMPONENT_REFs.
1007         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
1008         hashing trees instead of a pointer hash.
1009         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
1010         compare for MEM_EXPR.
1011
1012         PR rtl-optimization/25130
1013         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
1014         when comparing MEMs for GCSE
1015
1016 2006-01-03  Ben Elliston  <bje@au.ibm.com>
1017
1018         * targhooks.h (default_decimal_float_supported_p): Declare.
1019         * targhooks.c (default_decimal_float_supported_p): Define.
1020         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
1021         `default_decimal_float_supported_p'.
1022         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
1023
1024 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
1025
1026         * combine.c (apply_distributive_law <SUBREG>): Check
1027         TRULY_NOOP_TRUNCATION.
1028
1029 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
1030
1031         * dwarf2out.c (have_switched_text_section): Delete.
1032         (have_multiple_function_sections): New.
1033         (have_location_lists): Make 'bool'.
1034         (add_AT_loc_list): Use 'true' not '1'.
1035         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
1036         (output_loc_list): Use have_multiple_function_sections.
1037         (output_ranges): Likewise.
1038         (dwarf2out_begin_function): Set have_multiple_function_sections if
1039         necessary.
1040         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
1041         Check function_section rather than DECL_SECTION_NAME.
1042         (dwarf2out_finish): Use have_multiple_function_sections.
1043         Don't clear have_location_lists.
1044
1045 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
1046             Jan Hubicka  <jh@suse.cz>
1047
1048         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
1049         case of conditional jump jumping to the next instruction.
1050         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
1051         cases of conditional jump jumping to the next instruction.
1052
1053 2006-01-02  Jan Hubicka  <jh@suse.cz>
1054
1055         * i386.c (*_cost): Add COSTS_N_INSNS.
1056         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
1057
1058 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
1059
1060         PR target/25259
1061         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
1062
1063 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1064
1065         * config/arm/arm.c (all_fpus): Fix comment typo.
1066         * config/darwin.c: Likewise.
1067         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
1068         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
1069         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
1070
1071 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
1072
1073         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
1074         (rs6000_split_compare_and_swapqhi): New.
1075         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
1076         (sync_compare_and_swapqhi_internal): New.
1077         * config/rs6000/rs6000-protos.h: Declare.