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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2
3         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
4         (VN_INFO_GET): Allocate new objects on the obstack.
5         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
6         for rpo_numbers_temp, for consistency.
7         (free_scc_vn): Free the obstack.
8
9 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
10
11         * doc/invoke.texi: Document -ftree-loop-distribution.
12         * tree-loop-distribution.c: New.
13         * tree-pass.h (pass_loop_distribution): New.
14         * graphds.h (struct graph): Add htab_t indices.
15         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
16         * tree-vectorizer.c (rename_variables_in_loop): Extern.
17         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
18         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
19         * tree-data-ref.c (debug_data_dependence_relations): New.
20         (dump_data_dependence_relation): Also print data references.
21         (free_data_ref): Extern.
22         (same_access_functions): Moved...
23         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
24         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
25         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
26         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
27         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
28         (stmts_from_loop): Skip LABEL_EXPR.
29         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del): New.
30         (build_rdg): Initialize rdg->indices htab.
31         (free_rdg, stores_from_loop, ref_base_address,
32         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
33         have_similar_memory_accesses_1, ref_base_address_1,
34         remove_similar_memory_refs): New.
35         * tree-data-ref.h: Depend on tree-chrec.h.
36         (debug_data_dependence_relations, free_data_ref): Declared.
37         (same_access_functions): ... here.
38         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level): New.
39         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
40         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
41         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
42         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
43         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
44         rdg_vertex_for_stmt): Declared.
45         (struct rdg_edge): Add level.
46         (RDGE_LEVEL): New.
47         (free_rdg, stores_from_loop, remove_similar_memory_refs,
48         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses): Declared.
49         (rdg_has_similar_memory_accesses): New.
50         * tree-vect-analyze.c: Remove unused static decls.
51         * lambda.h (dependence_level): New.
52         * common.opt (ftree-loop-distribution): New.
53         * tree-flow.h (mark_virtual_ops_in_bb, 
54         slpeel_tree_duplicate_loop_to_edge_cfg,
55         rename_variables_in_loop): Declared.
56         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
57         (OBJS-common): Add tree-loop-distribution.o.
58         (tree-loop-distribution.o): New rule.
59         * tree-cfg.c (mark_virtual_ops_in_bb): New.
60         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
61         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
62
63 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
64
65         PR target/33963
66         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
67         other than structures and unions.
68
69 2008-02-28  Richard Guenther  <rguenther@suse.de>
70
71         Revert:
72         2008-02-26  Richard Guenther  <rguenther@suse.de>
73
74         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
75         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
76         (lookup_decl_from_uid): Declare.
77         (remove_decl_from_map): Likewise.
78         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
79         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
80         (decl_for_uid_map): New global hashtable mapping DECL_UID
81         to the decl tree.
82         (init_ttree): Allocate it.
83         (insert_decl_to_uid_decl_map): New helper function.
84         (make_node_stat): Insert new decls into the map.
85         (copy_node_stat): Likewise.
86         (lookup_decl_from_uid): New function.
87         (remove_decl_from_map): Likewise.
88         (print_decl_for_uid_map_statistics): New helper.
89         (dump_tree_statistics): Call it.
90
91         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
92         (referenced_var_iterator): Adjust.
93         (FOR_EACH_REFERENCED_VAR): Adjust.
94         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
95         (num_referenced_vars): Adjust.
96         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
97         (first_referenced_var): Remove.
98         (end_referenced_vars_p): Likewise.
99         (next_referenced_var): Likewise.
100         (referenced_var_iterator_set): New helper function.
101         * tree-dfa.c (referenced_var_lookup): Adjust.
102         (referenced_var_check_and_insert): Likewise.
103         (remove_referenced_var): Likewise.
104         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
105         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
106         (verify_call_clobbering): Likewise.
107         (verify_memory_partitions): Likewise.
108         (init_tree_ssa): Allocate bitmap instead of hashtable for
109         referenced_vars.
110         (delete_tree_ssa): Adjust.
111         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
112         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
113         (compute_tag_properties): Likewise.
114         (set_initial_properties): Likewise.
115         (find_partition_for): Likewise.
116         (update_reference_counts): Likewise.
117         (dump_may_aliases_for): Likewise.
118         * tree-ssa-operands.c (add_virtual_operand): Likewise.
119         (add_call_clobber_ops): Likewise.
120         (add_call_read_ops): Likewise.
121         (get_asm_expr_operands): Likewise.
122         * tree-into-ssa.c (dump_decl_set): Likewise.
123         (update_ssa): Likewise.
124         * tree-sra.c (scan_function): Likewise.
125         (decide_instantiations): Likewise.
126         (scalarize_parms): Likewise.
127         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
128         (dsa_named_for): Likewise.
129         * tree-ssa-structalias.c (update_alias_info): Likewise.
130         (merge_smts_into): Likewise.
131
132 2008-02-27  David Daney  <ddaney@avtrex.com>
133
134         PR target/34409
135         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
136         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
137         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
138         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
139         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
140
141 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
142
143         PR target/25477
144         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
145         (BUILT_IN_NEXTTOWARD): Remove.
146         (BUILT_IN_NEXTTOWARDF): Ditto.
147         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
148         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
149
150 2008-02-27  Tom Tromey  <tromey@redhat.com>
151
152         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
153         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
154
155 2008-02-27  Jan Beulich  <jbeulich@novell.com>
156
157         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
158         update the respective field on newdecl.
159
160 2008-02-27  Revital Eres  <eres@il.ibm.com>
161
162         PR rtl-optimization/34999
163         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
164         crossing edges that ends with a call insn.
165         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
166         call insn and clear the EDGE_CROSSING flag of the crossing edge
167         when fixing fallthru edges.
168
169 2008-02-27  Richard Guenther  <rguenther@suse.de>
170
171         PR middle-end/35390
172         * fold-const.c (fold_unary): Return the correct argument,
173         converted to the result type.
174
175 2008-02-27  Richard Guenther  <rguenther@suse.de>
176
177         PR middle-end/34971
178         * expr.c (expand_expr_real_1): Assert on rotates that operate
179         on partial modes.
180         * fold-const.c (fold_binary): Use the types precision, not the
181         bitsize of the mode if folding rotate expressions.  Build rotates
182         only for full modes.
183
184 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
185
186         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
187         and CPP_PRAGMA_EOL.
188         * c-pragma.c (pragma_ns_name): New typedef.
189         (registered_pp_pragmas): New variable.
190         (c_pp_lookup_pragma): New function.
191         (c_register_pragma_1): If flag_preprocess_only, do nothing
192         for non-expanded pragmas, for expanded ones push pragma's
193         namespace and name into registered_pp_pragmas vector.
194         (c_invoke_pragma_handler): Register OpenMP pragmas even when
195         flag_preprocess_only, don't register GCC pch_preprocess
196         pragma if flag_preprocess_only.
197         * c-opts.c (c_common_init): Call init_pragma even if
198         flag_preprocess_only.
199         * c-pragma.c (c_pp_lookup_pragma): New prototype.
200         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
201         cpp_register_pragma if flag_preprocess_only.
202
203 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
204
205         PR c/28800
206         * c-parser.c (c_parser_translation_unit): Warn for empty
207         translation unit, not empty source file.
208
209 2008-02-26  Paul Brook  <paul@codesourcery.com>
210
211         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
212         operand for Thumb-2.
213         * config/arm/arm.h (reg_class): Add CORE_REGS.
214         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
215         (BASE_REG_CLASS): Use CORE_REGS.
216         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
217         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
218         (REGNO_OK_FOR_INDEX_P): Exclude SP.
219         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
220         ARM_REGNO_OK_FOR_INDEX_P.
221         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
222         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
223         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
224         (ldm/stm peepholes): Ditto.
225         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
226         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
227         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
228         * config/arm/constraints.md: Enable "k" constraint on ARM.
229
230 2008-02-27  Ben Elliston  <bje@au.ibm.com>
231
232         * config/rs6000/rs6000.c: Annotate cache line size field in all
233         instances of struct processor_costs.
234
235 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
236
237         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
238         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
239         jump_bypass): New counters.
240         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
241         * dce.c (gate_ud_dce): Same.
242         (gate_fast_dce): Same.
243         * dse.c (gate_dse1): New function.
244         (gate_dse2): New function.
245         (gate_dse): Merge results of new gate functions.
246         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
247         (gate_handle_jump_bypass): Add dbg_cnt.
248         (gate_handle_gcse): Add dbg_cnt.
249         * ifcvt.c (gate_handle_if_conversion): Same.
250         (gate_handle_if_after_combine): Same.
251         (gate_handle_if_after_reload): Same.
252         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
253
254 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
255
256         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
257         line sizes.
258         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
259
260 2008-02-26  Jason Merrill  <jason@redhat.com>
261
262         PR c++/35315
263         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
264         alone if it's the naming decl for the type's main variant.
265
266 2008-02-26  Tom Tromey  <tromey@redhat.com>
267
268         * system.h (USE_MAPPED_LOCATION): Poison.
269         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
270         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
271         (make_goto_expr_edges): Likewise.
272         (remove_bb): Likewise.
273         (execute_warn_function_return): Likewise.
274         * basic-block.h (struct edge_def) <goto_locus>: Change type to
275         location_t.
276         * c-common.c (fname_decl): Remove old location code.
277         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
278         location code.
279         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
280         variant.
281         (ASM_INPUT_SOURCE_LOCATION): Likewise.
282         (gen_rtx_ASM_INPUT): Likewise.
283         (gen_rtx_ASM_INPUT_loc): Likewise.
284         (get_rtx_asm_OPERANDS): Remove.
285         * cfglayout.c (insn_locators_alloc): Remove old location code.
286         (set_curr_insn_source_location): Likewise.
287         (curr_insn_locator): Likewise.
288         * print-tree.c (print_node): Remove old location code.
289         * tree-mudflap.c (mf_varname_tree): Remove old location code.
290         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
291         * cfgexpand.c (expand_gimple_cond_expr): Don't use
292         location_from_locus.
293         (construct_exit_block): Remove old location code.
294         * emit-rtl.c (force_next_line_note): Remove old location code.
295         * profile.c (branch_prob): Remove old location code.
296         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
297         LOC_LINE): Remove old-location variants.
298         * langhooks.c (lhd_print_error_function): Remove old location
299         code.
300         * configure, config.in: Rebuilt.
301         * configure.ac (--enable-mapped-location): Remove.
302         * c-decl.c (c_init_decl_processing): Remove old location code.
303         (finish_function): Likewise.
304         * recog.c (decode_asm_operands): Remove old location code.
305         * c-pch.c (c_common_read_pch): Remove old location code.
306         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
307         variants.
308         * gimple-low.c (lower_function_body): Remove old location code.
309         * toplev.c (unknown_location): Remove.
310         (push_srcloc): Remove old-location variant.
311         (process_options): Remove old location code.
312         (lang_dependent_init): Likewise.
313         * input.h (UNKNOWN_LOCATION): Move definition.
314         (location_t): Undeprecate.
315         (source_locus): Remove.
316         (location_from_locus): Remove.
317         (struct location_s): Remove.
318         Remove all old-location code.
319         (input_line, input_filename): Remove.
320         * final.c (final_scan_insn): Remove old location code.
321         * diagnostic.c (diagnostic_build_prefix): Remove
322         USE_MAPPED_LOCATION test.
323         * tree.h (gimple_stmt) <locus>: Now a location_t.
324         (tree_exp) <locus>: Likewise.
325         (DECL_IS_BUILTIN): Remove old-location variant.
326         (annotate_with_file_line, annotate_with_locus): Likewise.
327         (expr_locus, set_expr_locus): Update.
328         * tree.c (build1_stat): Remove old location code.
329         (last_annotated_node): Remove.
330         (annotate_with_file_line): Remove old-location variant.
331         (annotate_with_locus): Likewise.
332         (expr_location): Remove old location code.
333         (set_expr_location): Likewise.
334         (expr_has_location): Likewise.
335         (expr_locus): Likewise.
336         (set_expr_locus): Likewise.
337         (expr_filename): Don't use location_from_locus.
338         (expr_lineno): Likewise.
339         * rtl-error.c (location_for_asm): Remove old location code.
340         * c-lex.c (cb_line_change): Remove old location code.
341         (fe_file_change): Likewise.
342         (cb_def_pragma): Likewise.
343         (c_lex_with_flags): Likewise.
344         * gengtype.c (do_typedef): Don't special-case location types.
345         (define_location_structures): Remove.
346         (main): Don't call define_location_structures.
347         * tree-pretty-print.c (dump_implicit_edges): Remove old location
348         code.
349
350 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
351
352         PR 26264
353         * builtins.def (BUILT_IN_STDARG_START): Remove.
354         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
355         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
356         * tree-inline.c (inline_forbidden_p_1): Likewise.
357         
358 2008-02-26  Richard Guenther  <rguenther@suse.de>
359
360         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
361         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
362         (lookup_decl_from_uid): Declare.
363         (remove_decl_from_map): Likewise.
364         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
365         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
366         (decl_for_uid_map): New global hashtable mapping DECL_UID
367         to the decl tree.
368         (init_ttree): Allocate it.
369         (insert_decl_to_uid_decl_map): New helper function.
370         (make_node_stat): Insert new decls into the map.
371         (copy_node_stat): Likewise.
372         (lookup_decl_from_uid): New function.
373         (remove_decl_from_map): Likewise.
374         (print_decl_for_uid_map_statistics): New helper.
375         (dump_tree_statistics): Call it.
376
377         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
378         (referenced_var_iterator): Adjust.
379         (FOR_EACH_REFERENCED_VAR): Adjust.
380         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
381         (num_referenced_vars): Adjust.
382         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
383         (first_referenced_var): Remove.
384         (end_referenced_vars_p): Likewise.
385         (next_referenced_var): Likewise.
386         (referenced_var_iterator_set): New helper function.
387         * tree-dfa.c (referenced_var_lookup): Adjust.
388         (referenced_var_check_and_insert): Likewise.
389         (remove_referenced_var): Likewise.
390         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
391         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
392         (verify_call_clobbering): Likewise.
393         (verify_memory_partitions): Likewise.
394         (init_tree_ssa): Allocate bitmap instead of hashtable for
395         referenced_vars.
396         (delete_tree_ssa): Adjust.
397         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
398         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
399         (compute_tag_properties): Likewise.
400         (set_initial_properties): Likewise.
401         (find_partition_for): Likewise.
402         (update_reference_counts): Likewise.
403         (dump_may_aliases_for): Likewise.
404         * tree-ssa-operands.c (add_virtual_operand): Likewise.
405         (add_call_clobber_ops): Likewise.
406         (add_call_read_ops): Likewise.
407         (get_asm_expr_operands): Likewise.
408         * tree-into-ssa.c (dump_decl_set): Likewise.
409         (update_ssa): Likewise.
410         * tree-sra.c (scan_function): Likewise.
411         (decide_instantiations): Likewise.
412         (scalarize_parms): Likewise.
413         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
414         (dsa_named_for): Likewise.
415         * tree-ssa-structalias.c (update_alias_info): Likewise.
416         (merge_smts_into): Likewise.
417
418 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
419
420         PR 34351
421         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
422         * c-opts.c (c_common_handle_option): Wall enables
423         Wvolatile-register-var.
424         * common.opt: Move Wvolatile-register-var to...
425         * c.opt: ...here.
426         
427 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
428
429         * common.opt (Wlarger-than=): New.
430         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
431         -Wlarger-than=.
432         * opts.c (common_handle_option): Handle -Wlarger-than=.
433         * optc-gen.awk: Likewise.
434         * opth-gen.awk: Likewise.
435         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
436         * tree-optimize.c (tree_rest_of_compilation): Likewise.
437         
438 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
439
440         * c-common.c (match_case_to_enum_1): Add appropriate
441         OPT_W* parameter to warning.
442         (c_do_switch_warnings): Likewise.
443         * c-typeck.c (warning_init): Add one more parameter following
444         'warning' function.
445         (push_init_level): Update call to warning_init.
446         (pop_init_level): Likewise.
447         (add_pending_init): Likewise.
448         (output_init_element: Likewise.
449
450 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
451
452         PR 28322
453         * toplev.c (toplev_main): If there are warnings or error, print
454         errors for ignored options.
455         * opts.c (ignored_options): New static variable.
456         (postpone_unknown_option_error): New.
457         (print_ignored_options): New.
458         (handle_option): Postpone errors for unknown -Wno-* options.
459         * opts.h (print_ignored_options): Declare.
460         
461 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
462
463         * config/mips/mips.md (loadgp_blockage, blockage): Change type
464         to "ghost".
465
466 2008-02-25  Richard Guenther  <rguenther@suse.de>
467
468         Revert:
469         2008-02-25  Richard Guenther  <rguenther@suse.de>
470
471         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
472         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
473         (lookup_decl_from_uid): Declare.
474         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
475         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
476         (decl_for_uid_map): New global hashtable mapping DECL_UID
477         to the decl tree.
478         (init_ttree): Allocate it.
479         (insert_decl_to_uid_decl_map): New helper function.
480         (make_node_stat): Insert new decls into the map.
481         (copy_node_stat): Likewise.
482         (lookup_decl_from_uid): New function.
483         (print_decl_for_uid_map_statistics): New helper.
484         (dump_tree_statistics): Call it.
485
486         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
487         (referenced_var_iterator): Adjust.
488         (FOR_EACH_REFERENCED_VAR): Adjust.
489         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
490         (num_referenced_vars): Adjust.
491         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
492         (first_referenced_var): Remove.
493         (end_referenced_vars_p): Likewise.
494         (next_referenced_var): Likewise.
495         (referenced_var_iterator_set): New helper function.
496         * tree-dfa.c (referenced_var_lookup): Adjust.
497         (referenced_var_check_and_insert): Likewise.
498         (remove_referenced_var): Likewise.
499         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
500         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
501         (verify_call_clobbering): Likewise.
502         (verify_memory_partitions): Likewise.
503         (init_tree_ssa): Allocate bitmap instead of hashtable for
504         referenced_vars.
505         (delete_tree_ssa): Adjust.
506         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
507         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
508         (compute_tag_properties): Likewise.
509         (set_initial_properties): Likewise.
510         (find_partition_for): Likewise.
511         (update_reference_counts): Likewise.
512         (dump_may_aliases_for): Likewise.
513         * tree-ssa-operands.c (add_virtual_operand): Likewise.
514         (add_call_clobber_ops): Likewise.
515         (add_call_read_ops): Likewise.
516         (get_asm_expr_operands): Likewise.
517         * tree-into-ssa.c (dump_decl_set): Likewise.
518         (update_ssa): Likewise.
519         * tree-sra.c (scan_function): Likewise.
520         (decide_instantiations): Likewise.
521         (scalarize_parms): Likewise.
522         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
523         (dsa_named_for): Likewise.
524         * tree-ssa-structalias.c (update_alias_info): Likewise.
525         (merge_smts_into): Likewise.
526
527 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
528
529         PR fortran/29549
530         * doc/invoke.texi (-fcx-limited-range): Document new option.
531         * toplev.c (process_options): Handle -fcx-fortran-rules.
532         * common.opt: Add documentation for -fcx-fortran-rules.
533
534 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
535
536         PR c/35162
537         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
538         actual behaviour and C99.
539         
540 2008-02-26  Ben Elliston  <bje@au.ibm.com>
541
542         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
543         (ASM_CPU_POWER6_SPEC): Likewise.
544         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
545         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
546         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
547
548 2008-02-25  Richard Guenther  <rguenther@suse.de>
549
550         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
551         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
552         (lookup_decl_from_uid): Declare.
553         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
554         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
555         (decl_for_uid_map): New global hashtable mapping DECL_UID
556         to the decl tree.
557         (init_ttree): Allocate it.
558         (insert_decl_to_uid_decl_map): New helper function.
559         (make_node_stat): Insert new decls into the map.
560         (copy_node_stat): Likewise.
561         (lookup_decl_from_uid): New function.
562         (print_decl_for_uid_map_statistics): New helper.
563         (dump_tree_statistics): Call it.
564
565         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
566         (referenced_var_iterator): Adjust.
567         (FOR_EACH_REFERENCED_VAR): Adjust.
568         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
569         (num_referenced_vars): Adjust.
570         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
571         (first_referenced_var): Remove.
572         (end_referenced_vars_p): Likewise.
573         (next_referenced_var): Likewise.
574         (referenced_var_iterator_set): New helper function.
575         * tree-dfa.c (referenced_var_lookup): Adjust.
576         (referenced_var_check_and_insert): Likewise.
577         (remove_referenced_var): Likewise.
578         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
579         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
580         (verify_call_clobbering): Likewise.
581         (verify_memory_partitions): Likewise.
582         (init_tree_ssa): Allocate bitmap instead of hashtable for
583         referenced_vars.
584         (delete_tree_ssa): Adjust.
585         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
586         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
587         (compute_tag_properties): Likewise.
588         (set_initial_properties): Likewise.
589         (find_partition_for): Likewise.
590         (update_reference_counts): Likewise.
591         (dump_may_aliases_for): Likewise.
592         * tree-ssa-operands.c (add_virtual_operand): Likewise.
593         (add_call_clobber_ops): Likewise.
594         (add_call_read_ops): Likewise.
595         (get_asm_expr_operands): Likewise.
596         * tree-into-ssa.c (dump_decl_set): Likewise.
597         (update_ssa): Likewise.
598         * tree-sra.c (scan_function): Likewise.
599         (decide_instantiations): Likewise.
600         (scalarize_parms): Likewise.
601         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
602         (dsa_named_for): Likewise.
603         * tree-ssa-structalias.c (update_alias_info): Likewise.
604         (merge_smts_into): Likewise.
605
606 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
607
608         PR target/35258
609         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
610         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
611         * alias.h (nonoverlapping_memrefs_p): Likewise.
612
613 2008-02-25  Jan Beulich  <jbeulich@novell.com>
614
615         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
616         * config/i386/netware-libgcc.exp: Add __bswap?i2,
617         __emultls_get_address, __emultls_register_common,
618         __floatundi?f, and _Unwind_GetIPInfo.
619         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
620         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
621         (gen_regparm_prefix): Likewise.
622         (i386_nlm_encode_section_info): Sync with
623         config/i386/winnt.c:i386_pe_encode_section_info().
624         (i386_nlm_maybe_mangle_decl_assembler_name): New.
625         i386_nlm_mangle_decl_assembler_name): New.
626         (netware_override_options): New.
627         * config/i386/netware.h (netware_override_options): Declare.
628         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
629         (i386_nlm_mangle_decl_assembler_name): Declare.
630         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
631
632 2008-02-25  Ben Elliston  <bje@au.ibm.com>
633
634         PR other/32948
635         * c-decl.c (grokdeclarator): Remove unused local variables
636         `typedef_type' and `type_as_written'.
637         * bb-reorder.c
638         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
639         unused local variable `has_hot_blocks'.
640         (fix_crossing_conditional_branches): Remove unused local variable
641         `prev_bb'.
642         
643 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
644
645         PR middle-end/19984
646         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
647         using DEF_C99_BUILTIN.
648         (BUILT_IN_NANF): Ditto.
649         (BUILT_IN_NANL): Ditto.
650
651 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
652             Revital Eres  <eres@il.ibm.com>
653
654         * modulo-sched.c (calculate_must_precede_follow): Address TODO
655         regarding the order of two dependent insns in the same row.
656
657 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
658
659         * stor-layout.c (layout_decl): Do not bump the alignment of a
660         bit-field to more than byte alignment if it is packed.
661
662 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
663
664         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
665         e300c2 and e300c3.
666
667 2008-02-24  Diego Novillo  <dnovillo@google.com>
668
669         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
670
671         PR 33738
672         * tree-vrp.c (vrp_evaluate_conditional): With
673         -Wtype-limits, emit a warning when comparing against a
674         constant outside the natural range of OP0's type.
675         * c.opt (Wtype-limits): Move ...
676         * common.opt (Wtype-limits): ... here.
677
678 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
679
680         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
681         * config/rs6000/e300c2c3.md: New file.
682         * config/rs6000/rs6000.c (processor_costs): Add new costs for
683         e300c2 and e300c3.
684         (rs6000_override_options): Add e300c2 and e300c3 cases to
685         processor_target_table. Do not allow usage of Altivec or Spe
686         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
687         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
688         * config/rs6000/rs6000.h (processor_type): Add
689         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
690         (ASM_CPU_SPEC): Add e300c2 and e300c3.
691         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
692         and ppce300c3. Include e300c2c3.md.
693
694 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
695
696         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
697         instead of TARGET_STRICT_ALIGN.
698
699 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
700
701         * explow.c (memory_address): Assert that the generated address is
702         valid.
703
704 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
705
706         PR target/25477
707         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
708         * config/darwin-ppc-ldouble-patch.def: New file.
709         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
710         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
711         SUBTARGET_INIT_BUILTINS if defined.
712         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
713         New functions.
714
715 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
716
717         PR rtl-opt/33512
718         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
719         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
720
721 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
722
723         PR pch/35027
724         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
725         file" warning condtional on -Winvalid-PCH.
726
727 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
728
729         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
730
731 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
732
733         PR target/22076
734         PR target/34256 
735         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
736         prevent reload from using MMX registers.
737         (*mov<mode>_internal): Ditto.
738         (*movv2sf_internal_rex64): Ditto.
739         (*movv2sf_internal): Ditto.
740
741 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
742
743         PR documentation/31569
744         * doc/install.texi2html: Use makeinfo --no-number-sections.
745
746 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
747
748         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
749         ensure that we can address an entire entity > 8 bytes.  Don't
750         generate reg+reg addressing for such data.
751
752 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
753
754         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
755         strings when optimizing for size, unless the target cares about
756         alignment.
757
758 2008-02-22  Tom Tromey  <tromey@redhat.com>
759
760         * regclass.c (current_pass): Remove declaration.
761
762 2008-02-22  Anatoly Sokolov <aesok@post.ru>
763
764         * config/avr/libgcc.S (__RAMPZ__): Define.
765         (__do_copy_data): Add for devices with 128KB code memory.
766
767 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
768
769         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
770         Use spe_abi.
771         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
772
773 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
774
775         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
776         GENNONACR_REGS.
777
778 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
779
780         PR c/19999
781         * c-typeck.c (build_binary_op): Warn about floating point
782         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
783
784 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
785
786         PR target/34526
787         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
788         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
789         add vrsave.
790         (rs6000_override_options): Set altivec_abi as default, not override,
791         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
792         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
793         is used; use new member spe_abi.
794         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
795         spe_abi and altivec_abi.
796
797 2008-02-22  Tomas Bily  <tbily@suse.cz>
798
799         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
800
801 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
802
803         PR bootstrap/35273
804         * config.build (build_file_translate): Set to `CMD //c' only if
805         it works.
806         * Makefile.in (build_file_translate): Improve comment.
807
808 2008-02-21  Jan Hubicka  <jh@suse.cz>
809
810         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
811         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
812         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
813
814 2008-02-21  Michael Matz  <matz@suse.de>
815
816         PR target/35264
817         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
818
819 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
820
821         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
822         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
823         as insn constraint.
824         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
825         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
826         SSE_VEC_FLOAT_MODE_P as insn constraint.
827         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
828         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
829         sse4a_movntdf using MODEF mode iterator.
830         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
831         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
832         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
833         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
834         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
835         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
836         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
837
838 2008-02-21  Richard Guenther  <rguenther@suse.de>
839
840         * tree.def (PAREN_EXPR): New tree code.
841         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
842         and PAREN_EXPR.
843         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
844         * expr.c (expand_expr_real_1): Likewise.
845         * tree-inline.c (estimate_num_insns_1): Likewise.
846         * tree-complex.c (expand_complex_move): Likewise.
847         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
848         as plain x.
849
850 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
851
852         PR target/35225
853         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
854
855 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
856
857         PR target/35190
858         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
859
860         * config/sh/sh.c (find_barrier): Don't go past
861         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
862
863 2008-02-20  DJ Delorie  <dj@redhat.com>
864
865         * config/h8300/h8300.md (insv): Force source operand to be a register.
866
867         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
868         as a jump, not as a plain insn.
869         
870 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
871
872         * doc/invoke.texi (Warning Options): Add new option
873         -Wframe-larger-than=.
874         (-Wframe-larger-than): Document.
875
876         * flags.h (warn_frame_larger_than, frame_larger_than_size):
877         Add declarations for new option variables.
878
879         * final.c (final_start_function): Check the frame size
880         before emission and issue a Wframe-larger-than warning.
881
882         * opts.c (warn_frame_larger_than, frame_larger_than_size):
883         Add definitions for new option variables.
884         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
885
886         * common.opt (Wframe-larger-than=): New option.
887
888 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
889
890         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
891         (<sse>_div<mode>3): Ditto.
892         (<sse>_vmdiv<mode>3): Ditto.
893         (<sse>_vmsqrt<mode>2): Ditto.
894         (*smax<mode>3): Ditto.
895         (sse5_frcz<mode>2): Ditto.
896         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
897         as insn constraint.
898
899 2008-02-20  Richard Guenther  <rguenther@suse.de>
900
901         PR middle-end/35265
902         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
903         be happy with INTEGRAL_TYPE_P.
904
905 2008-02-20  Richard Guenther  <rguenther@suse.de>
906
907         * fold-const.c (split_tree): Associate floatig-point expressions
908         if flag_associative_math is set.
909
910 2008-02-20  Richard Guenther  <rguenther@suse.de>
911
912         * tree.h (fold_real_zero_addition_p): Declare.
913         * fold-const.c (fold_real_zero_addition_p): Export.
914         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
915         floating-point operations with zero and one.
916
917 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
918
919         * doc/install.texi: Correct references to CFLAGS, replacing them
920         with BOOT_CFLAGS.  Document flags used during bootstrap for
921         target libraries.
922                                 
923 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
924
925         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
926         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
927         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
928         insn constraint.
929         (smin<mode>3): Ditto from similar patterns.
930         (smax<mode>3): Ditto.
931         (*ieee_smin<mode>3): Ditto.
932         (*ieee_smax<mode>3): Ditto.
933         * config/i386/sse.md (sse): New mode attribute.
934         (mov<mode>): Macroize expander from movv4sf and movv2df using
935         SSEMODEF2P mode iterator.
936         (<sse>_movnt<mode>): Ditto from similar patterns. Use
937         SSE_VEC_FLOAT_MODE_P as insn constraint.
938         (storent<mode>): Ditto.
939         (storent<mode>): Macroize expander from storentsf and storentdf using
940         MODEF mode iterator.
941         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
942         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
943         (abs<mode>2): Ditto from similar patterns.
944         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
945         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
946         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
947         (<sse>_vmsqrt<mode>2): Ditto.
948         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
949         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
950         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
951         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
952         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
953         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
954         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
955         insn constraint.
956         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
957         iterator and SSE_FLOAT_MODE_P as insn constraint.
958         (<sse>_ucomi): Ditto from similar patterns.
959         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
960         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
961         SSE_VEC_FLOAT_MODE_P as insn constraint.
962         (vcond<mode>): Ditto from similar patterns.
963         (and<mode>3, *and<mode>3): Ditto.
964         (<sse>_nand<mode>3): Ditto.
965         (ior<mode>3, *ior<mode>3): Ditto.
966         (xor<mode>3, *xor<mode>3): Ditto.
967         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
968         iterator and SSE_FLOAT_MODE_P as insn constraint.
969         (*nand<mode>3): Ditto from similar patterns.
970         (*ior<mode>3): Ditto.
971         (*xor<mode>3): Ditto.
972
973 2008-02-20  Ira Rosen  <irar@il.ibm.com>
974
975         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
976         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
977         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
978
979 2008-02-19  Jan Hubicka  <jh@suse.cz>
980
981         * predict.c (tree_bb_level_predictions): Remove variable next
982         mistakely introduced by previous commit.
983
984 2008-02-19  Jan Hubicka  <jh@suse.cz>
985
986         * predict.c (predict_paths_leading_to): Rewrite.
987         (predict_paths_for_bb): New.
988         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
989
990 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
991
992         PR bootstrap/35218
993         * Makefile.in (build_file_translate): New.
994         (gcc-vers.texi): Use it for translating $(abs_srcdir).
995         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
996         * configure.ac (build_file_translate): Substitute it.
997         * configure: Regenerate.
998
999 2008-02-19  Jan Hubicka  <jh@suse.cz>
1000
1001         PR rtl-optimization/34408
1002         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1003         invalid sharing.
1004
1005 2008-02-19  Jan Hubicka  <jh@suse.cz>
1006
1007         PR middle-end/28779
1008         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1009         call_expr.
1010
1011 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1012
1013         PR Ada/35186
1014         * config/i386/i386-modes.def: Revert the last DI alignment
1015         change until Ada people can look into it.
1016
1017 2008-02-19  Nick Clifton  <nickc@redhat.com>
1018
1019         * opts.c (print_specific_help): Fix typo in --help text.
1020
1021 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1022
1023         PR target/35239
1024         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1025         32-bit inline asm without asm alternatives for host GCC < 3.0.
1026
1027 2008-02-19  Richard Guenther  <rguenther@suse.de>
1028
1029         PR tree-optimization/34989
1030         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1031         Allow propagation to INDIRECT_REF if we can simplify only.
1032
1033 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1034
1035         * c-common.c (warn_for_collisions_1): Use appropriate option when
1036         warning.
1037
1038 2008-02-19  Nick Clifton  <nickc@redhat.com>
1039
1040         PR other/31349
1041         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1042         (handle_options): Fix indentation.
1043         (print_filtered_help): If no language-specific options were
1044         displayed tell the user how to list all the options supported by
1045         the language's front-end.
1046         (print_specific_help): Fix indentation and remove duplicate line.
1047         (common_handle_option): Handle the -v option.
1048         For --help enable the display of undocumented options if the -v
1049         switch has been included on the command line.
1050         For --help= check for overlaps in the arguments between the option
1051         classes and the language names and issue a warning when they
1052         cannot be disambiguated.
1053         * c.opt (v): Pass on to the common option handler.
1054
1055 2008-02-19  Revital Eres  <eres@il.ibm.com> 
1056
1057         * modulo-sched.c (sms_schedule): Change dump message when
1058         create_ddg function fails.
1059         (try_scheduling_node_in_cycle): Rename row to cycle.
1060         (print_partial_schedule): Rename CYCLE to ROW.
1061
1062 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1063             Zdenek Dvorak  <ook@ucw.cz>
1064
1065         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1066
1067 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1068
1069         PR target/33555
1070         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1071         (*x86_movdicc_0_m1_se): Ditto.
1072
1073 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1074
1075         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1076         (CMPtype): Define as __gcc_CMPtype.
1077         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1078         (CMPtype): Define as __gcc_CMPtype.
1079
1080 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1081
1082         Support valgrind 3.3 for --enable-checking=valgrind.
1083         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1084         here.
1085         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1086         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1087         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1088         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1089         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1090         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1091         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1092         respectively.
1093         * ggc-zone.c: Similar.
1094         * ggc-page.c: Similar.
1095
1096 2008-02-19  Paul Brook  <paul@codesourcery.com>
1097
1098         PR target/35071
1099         * config/arm/ieee754-df.S: Fix do_it typo.
1100         * config/arm/ieee754-sf.S: Fix do_it typo.
1101
1102 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1103
1104         PR target/35189
1105         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1106         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1107         (OPTION_MASK_ISA_SSE_SET): Likewise.
1108         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1109         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1110         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1111         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1112         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1113         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1114         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1115         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1116         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1117         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1118         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1119         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1120         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1121         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1122         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1123         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1124         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1125         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1126         (OPTION_MASK_ISA_SSE4): Removed.
1127         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1128         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1129         -mXXX.
1130         (override_options): Don't turn on implied SSE/MMX bits in
1131         ix86_isa_flags.
1132
1133 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1134
1135         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1136         32bit host.
1137
1138 2008-02-18  Joey Ye  <joey.ye@intel.com>
1139
1140         PR middle-end/34921
1141         * tree-nested.c (insert_field_into_struct): Set type alignment
1142         to field alignment if the former is less than the latter.
1143
1144 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1145
1146         * BASE-VER: Set to 4.4.0.
1147
1148 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1149
1150         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1151         * doc/cfg.texi: Likewise.
1152         * doc/extend.texi: Likewise.
1153         * doc/gty.texi: Likewise.
1154         * doc/invoke.texi: Likewise.
1155         * doc/loop.texi: Likewise.
1156         * doc/md.texi: Likewise.
1157         * doc/passes.texi: Likewise.
1158         * doc/rtl.texi: Likewise.
1159         * doc/sourcebuild.texi: Likewise.
1160         * doc/tm.texi: Likewise.
1161         * doc/tree-ssa.texi: Likewise.
1162
1163 2008-02-17  Richard Guenther  <rguenther@suse.de>
1164
1165         PR middle-end/35227
1166         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1167         without default definition.
1168
1169 2008-02-17  Richard Guenther  <rguenther@suse.de>
1170
1171         PR tree-optimization/35231
1172         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1173         if A | B != 1.
1174
1175 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1176
1177         Revert:
1178
1179         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
1180         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1181         libgcc_cmp_return mode.
1182
1183 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1184
1185         PR c/28368
1186         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1187
1188 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1189
1190         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1191         multilibs.
1192
1193 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1194
1195         * doc/c-tree.texi: Use `@.' where appropriate.
1196         * doc/extend.texi: Likewise.
1197         * doc/install.texi: Likewise.
1198         * doc/invoke.texi: Likewise.
1199         * doc/loop.texi: Likewise.
1200         * doc/makefile.texi: Likewise.
1201         * doc/md.texi: Likewise.
1202         * doc/passes.texi: Likewise.
1203         * doc/standards.texi: Likewise.
1204         * doc/tm.texi: Likewise.
1205
1206 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1207
1208         PR middle-end/35196
1209         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1210         in entry_bb.
1211         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1212         rather than in entry_bb.
1213
1214 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1215
1216         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1217         libgcc_cmp_return mode.
1218
1219 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1220
1221         PR middle-end/35130
1222         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1223         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1224
1225 2008-02-15  Richard Guenther  <rguenther@suse.de>
1226             Zdenek Dvorak  <ook@ucw.cz>
1227
1228         PR tree-optimization/35164
1229         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1230         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1231         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1232         Only propagate addresses which do not have abnormal SSA_NAMEs
1233         in their operands.
1234
1235 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1236
1237         PR target/35088
1238         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1239
1240 2008-02-15  Jan Hubicka  <jh@suse.cz>
1241
1242         PR middle-end/35149
1243         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1244
1245 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1246
1247         PR middle-end/34621
1248         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1249         when calculating alignment_pad.
1250
1251 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1252
1253         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1254         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1255         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1256         and STACK_BOUNDARY define.
1257
1258 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1259
1260         PR preprocessor/35061
1261         * c-pragma.c (handle_pragma_pop_macro): Check that
1262         pushed_macro_table has been allocated.
1263
1264 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1265
1266         PR middle-end/35136
1267         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1268         (force_gimple_operand): Likewise.
1269         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1270         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1271         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1272         (find_interesting_uses_address): Check addressability and alignment
1273         of the base expression only after substituting bases of IVs into it.
1274
1275 2008-02-14  Michael Matz  <matz@suse.de>
1276
1277         PR target/34930
1278         * function.c (instantiate_virtual_regs_in_insn): Reload address
1279         before falling back to reloading the whole operand.
1280
1281 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1282
1283         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1284         before the first section switch note.
1285
1286 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1287
1288         * doc/bugreport.texi: Update copyright years.
1289         * doc/c-tree.texi: Likewise.
1290         * doc/cfg.texi: Likewise.
1291         * doc/cpp.texi: Likewise.
1292         * doc/cppinternals.texi: Likewise.
1293         * doc/fragments.texi: Likewise.
1294         * doc/frontends.texi: Likewise.
1295         * doc/gcc.texi: Likewise.
1296         * doc/gty.texi: Likewise.
1297         * doc/hostconfig.texi: Likewise.
1298         * doc/implement-c.texi: Likewise.
1299         * doc/libgcc.texi: Likewise.
1300         * doc/loop.texi: Likewise.
1301         * doc/makefile.texi: Likewise.
1302         * doc/options.texi: Likewise.
1303         * doc/passes.texi: Likewise.
1304         * doc/rtl.texi: Likewise.
1305         * doc/sourcebuild.texi: Likewise.
1306         * doc/standards.texi: Likewise.
1307         * doc/tree-ssa.texi: Likewise.
1308         * doc/trouble.texi: Likewise.
1309
1310         * doc/extend.texi: Use @: or add comma where appropriate.
1311         * doc/invoke.texi: Likewise.
1312         * doc/tm.texi: Likewise.
1313
1314 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1315
1316         PR target/34393
1317         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1318         to a reg.
1319
1320 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1321
1322         * doc/md.texi (clz, ctz): Add reference.
1323         * doc/rtl.texi (clz, ctz): Likewise.
1324
1325 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1326
1327         PR other/35148
1328         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1329         srcdir.
1330
1331 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1332
1333         * config/s390/s390.c (struct constant_pool): New field
1334         emit_pool_after added.
1335         (s390_mainpool_start): Set the emit_pool_after flag according
1336         to the section switch notes.
1337         (s390_mainpool_finish): Consider emit_pool_after when emitting
1338         the literal pool at the end of the function.
1339         (s390_chunkify_start): Force literal pool splits at section
1340         switch notes.
1341
1342 2008-02-13  Michael Matz  <matz@suse.de>
1343
1344         PR debug/35065
1345         * var-tracking.c (clobber_variable_part): Correctly traverse the
1346         list.
1347
1348 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1349
1350         PR 29673
1351         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1352         Add -fdump-ipa-inline.
1353         * tree-dump.c (dump_files): Remove tree-inlined dump.
1354         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
1355         
1356 2008-02-12  Richard Guenther  <rguenther@suse.de>
1357
1358         PR tree-optimization/35171
1359         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
1360         default defs.
1361
1362 2008-02-12  Richard Guenther  <rguenther@suse.de>
1363
1364         PR middle-end/35163
1365         * fold-const.c (fold_widened_comparison): Use get_unwidened in
1366         value-preserving mode.  Disallow final truncation.
1367
1368 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1369
1370         PR middle-end/35136
1371         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
1372         code from here to...
1373         (force_gimple_operand): ...here.
1374
1375 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
1376
1377         PR c++/35144
1378         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
1379         non-compatible pointers.
1380         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
1381         different FIELD_DECLs, try harder by comparing field offsets, sizes
1382         and types.
1383
1384         PR inline-asm/35160
1385         * function.c (match_asm_constraints_1): Don't replace the same input
1386         multiple times.
1387
1388 2008-02-12  Anatoly Sokolov <aesok@post.ru>
1389
1390         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
1391         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
1392         (expand_epilogue): Restore RAMPZ register.
1393         * config/avr/avr.md (RAMPZ_ADDR): New constant.
1394
1395 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
1396
1397         * config/i386/cygwin.asm: (__alloca): Correct calling
1398         convention and alignment.
1399         (__chkstk): Force 8 byte stack alignment.
1400
1401 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
1402             Richard Guenther  <rguenther@suse.de>
1403
1404         PR tree-optimization/33992
1405         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
1406         the zero we compare against.
1407
1408 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
1409
1410         PR libfortran/35063
1411         * gthr-win32.h (__gthread_mutex_destroy_function): New function
1412         to CloseHandle after unlocking to prevent accumulation of handle
1413         count.
1414
1415 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1416
1417         PR middle_end/34150
1418         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
1419         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
1420         and update LABEL_NUSES during and after reload.
1421
1422 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
1423
1424         PR middle-end/34627
1425         * combine.c (simplify_if_then_else): Make sure the comparison is
1426         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
1427
1428 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1429
1430         PR bootstrap/35051
1431         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
1432         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
1433         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
1434         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
1435         * tree.h (get_type_static_bounds): Likewise.
1436
1437 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1438
1439         * doc/invoke.texi (Option Summary, C++ Dialect Options)
1440         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1441         Make -Wfoo language annotations match what the compiler outputs.
1442
1443 2008-02-08  Sa Liu  <saliu@de.ibm.com>
1444
1445         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
1446         intrinsics spu_convts, spu_convtu, spu_convtf.
1447         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
1448
1449 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
1450
1451         * doc/extend.texi (Function Attributes) <noinline>: Mention
1452         asm ("") as method to keep calls.
1453
1454 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1455
1456         PR other/32754
1457         * doc/options.texi (Options): Replace references to opts.sh with
1458         optc-gen.awk.
1459         * opts-common.c: Likewise.
1460         * optc-gen.awk: Likewise.
1461         
1462 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1463
1464         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
1465
1466 2008-02-07  Richard Henderson  <rth@redhat.com>
1467
1468         PR rtl-opt/33410
1469         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
1470         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
1471         funny mode.
1472
1473 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
1474
1475         PR tree-optimization/35085
1476         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
1477         for operand entry oe2 in addition to operand entry oe3 in order to
1478         expose more opportunities for vectorizer sum reduction.
1479
1480 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1481
1482         PR other/35107
1483         * Makefile.in (LIBS): Remove $(GMPLIBS).
1484         (cc1-dummy, cc1): Add $(GMPLIBS).
1485
1486 2008-02-06  Jan Hubicka  <jh@suse.cz>
1487
1488         PR target/23322
1489         * i386.md (moddf_integer): Do not produce partial memory stalls for
1490         targets where it hurts.
1491
1492 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
1493
1494         PR target/35083
1495         * optabs.c (expand_float): Do not check for decimal modes when
1496         expanding unsigned integer through signed conversion.
1497
1498 2008-02-06  Nick Clifton  <nickc@redhat.com>
1499
1500         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
1501         inside the clobber with a match_operand and duplicated operand
1502         number in the constraint.
1503         (ineqbranchsi): Delete redundant comment.
1504
1505 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1506
1507         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
1508         builtin_define ("__USE_INIT_FINI__").
1509         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
1510         -msx multilibs.
1511         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
1512
1513 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1514
1515         PR documentation/30330
1516         * doc/invoke.texi (C++ Dialect Options)
1517         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1518         For each warning option -Wfoo that allows -Wno-foo, ensure both
1519         -Wfoo and -Wno-foo are listed in the option index.  Fix index
1520         entry of -Wswitch-default, index -Wnormalized= including the
1521         `=', and -Wlarger-than-@var{len} including @var{len}.
1522
1523 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1524
1525         * config/i386/i386.md (floatunssisf2): Use
1526         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
1527         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
1528         Macroize expander using MODEF mode iterator.
1529
1530 2008-02-05  Diego Novillo  <dnovillo@google.com>
1531
1532         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
1533
1534         PR 33738
1535         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
1536
1537 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1538
1539         PR other/35070
1540         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
1541
1542 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
1543
1544         PR target/35084
1545         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
1546         to indicate if a message should be generated.
1547         (init_cumulative_args): Updated.
1548         (function_value_32): Likewise.
1549
1550 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
1551
1552         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
1553
1554 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1555
1556         PR target/35083
1557         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
1558         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
1559
1560 2008-02-04  Diego Novillo  <dnovillo@google.com>
1561
1562         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
1563
1564         PR 33738
1565         * tree-vrp.c (vrp_evaluate_conditional): With
1566         -Wtype-limits, emit a warning when comparing against a
1567         constant outside the natural range of OP0's type.
1568
1569 2008-02-04  Richard Guenther  <rguenther@suse.de>
1570
1571         PR middle-end/33631
1572         * expr.c (count_type_elements): Give for unions instead of
1573         guessing.
1574
1575 2008-02-04  Richard Guenther  <rguenther@suse.de>
1576
1577         PR middle-end/35043
1578         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
1579         to TYPE_DOMAINs base type instead of using bitsizetype here.
1580
1581 2008-02-03  Jason Merrill  <jason@redhat.com>
1582
1583         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
1584
1585 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1586
1587         PR other/29972
1588         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
1589         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
1590         (RS/6000 and PowerPC Options): Fix typos and markup.
1591         * doc/passes.texi (Tree-SSA passes): Likewise.
1592
1593 2008-02-02  Michael Matz  <matz@suse.de>
1594
1595         PR target/35045
1596         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
1597         from record_last_reg_set_info.
1598         (record_last_reg_set_info): Take an RTX argument, iterate over all
1599         constituent hardregs.
1600         (record_last_set_info, record_opr_changes): Change calls to
1601         new signature or to record_last_reg_set_info_regno.
1602
1603 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1604
1605         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
1606
1607 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
1608
1609         PR rtl-optimization/34773
1610         * reg-notes.def (EQUAL): Mention significance of combination of
1611         REG_EQUAL and REG_RETVAL.
1612         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
1613         insn that has a REG_RETVAL.
1614
1615 2008-02-01  Roger Sayle  <roger@eyesopen.com>
1616
1617         PR bootstrap/33781
1618         * configure.ac (--enable-fixed-point): Disable unless explicitly
1619         requested on IRIX.
1620         * configure: Regenerate.
1621
1622 2008-02-01  Richard Guenther  <rguenther@suse.de>
1623
1624         PR other/35042
1625         * invoke.texi (-finline-limit): Remove no longer true parts
1626         of the documentation.  Note that there is no default value.
1627
1628 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
1629             Mark Mitchell  <mark@codesourcery.com>
1630             Ben Elliston  <bje@au.ibm.com>
1631
1632         PR c/29326
1633         * doc/extend.texi (Other Builtins): Document.
1634
1635 2008-01-31  Tom Browder <tom.browder@gmail.com>
1636
1637         * doc/c-tree.texi (Types): Fix grammar.
1638         (Expression trees): Ditto.
1639         * doc/passes.texi (Tree-SSA passes): Ditto.
1640         
1641         * doc/configterms.texi (Configure Terms): Fix typo.
1642         * doc/cpp.texi (Common Predefined Macros): Ditto.
1643         * doc/md.texi (Machine Constraints): Ditto.
1644         
1645         * doc/makefile.texi (Makefile): Add comma.
1646
1647 2008-01-31  Tom Browder  <tom.browder@gmail.com>
1648             Gerald Pfeifer  <gerald@pfeifer.com>
1649         
1650         * doc/sourcebuild.texi (Front End): Remove references to CVS
1651         and CVSROOT/modules.
1652         (Texinfo Manuals): Replace reference to CVS by one to SVN.
1653         (Back End): Remove reference to CVS.
1654
1655 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1656
1657         PR target/34900
1658         * config/mips/mips.c (gen_load_const_gp): New function, taking a
1659         comment from...
1660         (mips16_gp_pseudo_reg): ...here.
1661         * config/mips/mips.md (load_const_gp): Replace with...
1662         (load_const_gp_<mode>): ...this :P-based insn.
1663
1664 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1665
1666         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
1667         options. Minor fixes.
1668         (-std): Move reference to standards closer to where language
1669         standards are first mentioned.
1670         
1671 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1672
1673         PR rtl-optimization/34995
1674         * reload.c (alternative_allows_const_pool_ref): Take an rtx
1675         parameter and return a bool.  If the rtx parameter is nonnull,
1676         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
1677         (find_reloads): Update call accordingly.  Pass the new operand
1678         if it needed no address reloads, otherwise pass null.
1679
1680 2008-01-30  Richard Henderson  <rth@redhat.com>
1681
1682         PR c/34993
1683         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
1684         for unbounded arrays.
1685
1686 2008-01-30  Silvius Rus  <rus@google.com>
1687
1688         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
1689
1690 2008-01-30  Jan Hubicka  <jh@suse.cz>
1691
1692         PR target/34982
1693         * i386.c (init_cumulative_args): Use real function declaration when
1694         calling locally.
1695
1696 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1697
1698         PR rtl-optimization/34998
1699         * global.c (build_insn_chain): Treat non-subreg_lowpart
1700         SUBREGs of pseudos as clobbering all the words covered by the
1701         SUBREG, not just all the bytes.
1702         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
1703         original df_ref rather than an extract parameter.
1704         (global_conflicts): Update call accordingly.
1705
1706 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1707
1708         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
1709         the overflow check to make it easier to read.
1710         (__fixtfdi): Change the type of the ll member in union
1711         long_double to UDItype_x.
1712
1713 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
1714
1715         PR middle-end/34969
1716         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
1717         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
1718         * tree-inline.c (fold_marked_statements): Call
1719         cgraph_update_edges_for_call_stmt if folding a call statement.
1720         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
1721         debug_generic_stmt calls, reset it back afterwards.
1722
1723         PR c/35017
1724         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
1725         static decls.
1726         * c-typeck.c (build_external_ref): Don't pedwarn about
1727         static vars in current function's scope.
1728
1729 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
1730
1731         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
1732
1733 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
1734
1735         PR c/35002
1736         * ipa-struct-reorg.c: Fix spelling.
1737         * params.def: Ditto.
1738
1739 2008-01-29  Richard Guenther  <rguenther@suse.de>
1740
1741         PR middle-end/35006
1742         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
1743         field.
1744         * tree-inline.c (remap_type): Increment remapping_type_depth
1745         around remapping types.
1746         (copy_body_r): Only add referenced variables if they are referenced
1747         from code, not types.
1748
1749 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
1750
1751         PR c++/34055
1752         PR c++/34103
1753         PR c++/34219
1754         PR c++/34606
1755         PR c++/34753
1756         PR c++/34754
1757         PR c++/34755
1758         PR c++/34919
1759         PR c++/34961
1760         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
1761         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
1762
1763 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
1764
1765         PR target/34412
1766         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
1767         pointer for tiny stack.
1768
1769 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1770
1771         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
1772
1773 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1774
1775         * config/vx-common.h: Fix typo in comment.
1776
1777 2008-01-28  Ian Lance Taylor  <iant@google.com>
1778
1779         PR c++/34862
1780         PR c++/33407
1781         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1782         coalesce pointers if they have different DECL_NO_TBAA_P values.
1783         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
1784         between variables with different DECL_NO_TBAA_P values.
1785
1786 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
1787
1788         PR 31535
1789         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
1790         are not legitimate small data references on SPE targets.
1791
1792 2008-01-28  David Daney  <ddaney@avtrex.com>
1793
1794         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
1795
1796 2008-01-28  David Daney  <ddaney@avtrex.com>
1797
1798         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
1799
1800 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
1801
1802         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
1803         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
1804         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
1805         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
1806         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
1807         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
1808         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
1809         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
1810
1811 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1812
1813         * basic-block.h (condjump_equiv_p): Fix comment.
1814
1815 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1816
1817         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
1818         print_generic_stmt_indented): Fix comment.
1819
1820 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1821
1822         * configure.ac (__stack_chk_fail): Add detecion for availability
1823         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
1824         * configure: Regenerate.
1825
1826 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
1827
1828         PR middle-end/34688
1829         * final.c (output_addr_const): Handle TRUNCATE.
1830
1831 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
1832
1833         PR target/34711
1834         * tree-ssa-loop-ivopts.c (comp_cost): New type.
1835         (zero_cost, infinite_cost): New constants.
1836         (struct cost_pair): Change type of cost to comp_cost.
1837         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
1838         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
1839         New functions.
1840         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
1841         split_address_cost, ptr_difference_cost, difference_cost,
1842         get_computation_cost_at, get_computation_cost,
1843         determine_use_iv_cost_generic, determine_use_iv_cost_address,
1844         determine_use_iv_cost_condition, determine_use_iv_costs,
1845         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
1846         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
1847         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
1848         Change type of cost to comp_cost.
1849         (determine_iv_cost): Increase cost of non-original ivs, instead
1850         of decreasing the cost of original ones.
1851         (get_address_cost): Indicate the complexity of the addressing mode 
1852         in comp_cost.
1853         (try_add_cand_for): Prefer using ivs not specific to some object.
1854         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
1855
1856 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
1857             Janis Johnson  <janis187@us.ibm.com>
1858
1859         PR target/34814
1860         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
1861         (TARGET_INSTANTIATE_DECLS): Likewise.
1862         * target.h (expand_to_rtl_hook): New target hook.
1863         (instantiate_decls): Likewise.
1864         * function.c (instantiate_decl): Make non-static.  Rename to...
1865         (instantiate_decl_rtl): ... this.
1866         (instantiate_expr): Use instantiate_decl_rtl.
1867         (instantiate_decls_1): Likewise.
1868         (instantiate_decls): Likewise.
1869         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
1870         * function.h (instantiate_decl_rtl): Add prototype.
1871         * cfgexpand.c (target.h): New include.
1872         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
1873         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
1874         (TARGET_INSTANTIATE_DECLS): Likewise.
1875         (TARGET_INITIALIZER): New target hooks added.
1876         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
1877         New prototype.
1878         * config/rs6000/rs6000.c (tree-flow.h): New include.
1879         (machine_function): Add sdmode_stack_slot field.
1880         (rs6000_alloc_sdmode_stack_slot): New function.
1881         (rs6000_instantiate_decls): Likewise.
1882         (rs6000_secondary_memory_needed_rtx): Likewise.
1883         (rs6000_check_sdmode): Likewise.
1884         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
1885         (TARGET_INSTANTIATE_DECLS): Likewise.
1886         (rs6000_hard_regno_mode_ok): Allow SDmode.
1887         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
1888         (rs6000_emit_move): Handle SDmode.
1889         (function_arg_advance): Likewise.
1890         (function_arg): Likewise.
1891         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
1892         SDmode var args for 32-bit compiles.
1893         (rs6000_secondary_reload_class): Handle SDmode.
1894         (rs6000_output_function_epilogue): Likewise.
1895         (rs6000_function_value): Simplify if statement.
1896         (rs6000_libcall_value): Likewise.
1897         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
1898         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
1899         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
1900         (movsd_hardfloat): New define_insn.
1901         (movsd_softfloat): Likewise.
1902         (movsd_store): Likewise.
1903         (movsd_load): Likewise.
1904         (extendsddd2): Likewise.
1905         (extendsdtd2): Likewise.
1906         (truncddsd2): Likewise.
1907         (movdd_hardfloat64): Fixup comment.
1908         (UNSPEC_MOVSD_LOAD): New constant.
1909         (UNSPEC_MOVSD_STORE): Likewise.
1910
1911 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
1912
1913         PR c++/34965
1914         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
1915         TRUTH_XOR_EXPR.
1916         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
1917         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
1918         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
1919         and TRUTH_XOR_EXPR.
1920
1921 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
1922
1923         PR target/34794
1924         * config.gcc: Separate AIX 5.3 from AIX 6.1.
1925         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1926         __LONGDOUBLE128 too.
1927         * config/rs6000/aix61.h: New file.
1928
1929 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
1930
1931         PR rtl-optimization/34959
1932         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
1933         popcount and parity rtxes the same mode as their operand.
1934         Truncate or extend the result to the return value's mode
1935         if necessary.
1936
1937 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
1938
1939         PR target/34981
1940         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
1941         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
1942         to GOT_VERSION_REGNUM.
1943         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
1944         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
1945         * config/mips/mips.c (mips_emit_call_insn): New function.
1946         (mips_call_tls_get_addr): Call mips_expand_call directly.
1947         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
1948         emit_call_insn.
1949         (mips16_build_call_stub): Likewise.  Return the call insn or null.
1950         (mips_expand_call): Update the call to mips16_build_call_stub
1951         accordingly and a remove redundant condition.  Assert that MIPS16
1952         stubs do not use lazy binding.  Use mips_emit_call_insn and return
1953         the call insn.
1954         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
1955         TARGET_USE_GOT.
1956         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
1957         (mips_avoid_hazard): Remove hazard_set handling.
1958         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
1959         (UNSPEC_RESTORE_GP): ...this.
1960         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
1961         (FAKE_CALL_REGNO): Rename to...
1962         (GOT_VERSION_REGNUM): ...this.
1963         (type): Add "ghost" value.  Add an associated insn reservation.
1964         (hazard_set): Remove.
1965         (exception_receiver): Rename to...
1966         (restore_gp): ...this and update the unspec identifier accordingly.
1967         (exception_receiver, nonlocal_got_receiver): New expanders.
1968         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
1969         FAKE_CALL_REGNO.  Remove hazard_set attribute.
1970         (set_got_version, update_got_version): New patterns.
1971
1972 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
1973
1974         PR target/34970
1975         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
1976
1977 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
1978
1979         PR other/31955
1980         * doc/install.texi2html: Generate gcc-vers.texi.
1981
1982 2008-01-25  DJ Delorie  <dj@redhat.com>
1983
1984         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1985
1986 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
1987
1988         * config/c4x: Remove directory.
1989         * config.gcc (crx-*, mt-*): Mark obsolete.
1990         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
1991         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
1992         sh-*-rtemscoff*): Remove cases.
1993         * defaults.h (C4X_FLOAT_FORMAT): Remove.
1994         * real.c (encode_c4x_single, decode_c4x_single,
1995         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
1996         c4x_extended_format): Remove.
1997         * real.h (c4x_single_format, c4x_extended_format): Remove.
1998         * doc/extend.texi (interrupt, naked): Remove mention of attributes
1999         on C4x.
2000         (Pragmas): Remove comment about c4x pragmas.
2001         * doc/install.texi (c4x): Remove target-specific instructions.
2002         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2003         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2004         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2005         refer to C4x source files as examples.
2006         (C4X_FLOAT_FORMAT): Remove documentation.
2007
2008 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2009
2010         * config/bfin/bfin.c (override_options): Reorder tests so that
2011         flag_pic gets enabled for -msep-data.
2012
2013 2008-01-25  Richard Guenther  <rguenther@suse.de>
2014
2015         PR middle-end/32244
2016         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2017         to its bitfield precision if required.
2018
2019 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2020
2021         PR middle-end/33880
2022         * tree-nested.c (walk_omp_for): New function.
2023         (convert_nonlocal_reference, convert_local_reference): Call
2024         walk_omp_for on OMP_FOR.
2025         (convert_call_expr): Call walk_body on OMP_FOR's
2026         OMP_FOR_PRE_INIT_BODY.
2027
2028 2008-01-25  Richard Guenther  <rguenther@suse.de>
2029
2030         PR tree-optimization/34966
2031         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2032         default defs and PHI_NODEs we have to insert after the
2033         defining statement.
2034
2035 2008-01-24  Nick Clifton  <nickc@redhat.com>
2036
2037         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2038         Provide a default definition.
2039         (LIBGCC2_UNITS_PER_WORD): Likewise.
2040
2041         * config/stormy16/stormy16.c: Include df.h for the prototype
2042         for df_regs_ever_live_p.
2043         (xstormy16_expand_builtin_va_start): Convert the stack offset
2044         into a component_ref and then use POINTER_PLUS_EXPR to add it
2045         to the incoming_virtual_args_rtx.
2046         (xstormy16_gimplify_va_arg_expr): Rename to
2047         xstormy16_gimplify_va_arg_expr.
2048         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2049         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2050         xstormy16_gimplify_va_arg_expr.
2051         Fix up some formatting issues.
2052
2053         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2054         Move to predicates.md.
2055         (xs_hi_general_operand): Likewise.
2056         (xs_hi_nonmemory_operand): Likewise.
2057         * config/stormy16/predicates.md:
2058         (xstormy16_carry_plus_operand): New predicate.
2059         (xs_hi_general_operand): New predicate.
2060         (xs_hi_nonmemory_operand): New predicate.
2061         * config/stormy16/stormy16-protos.h:
2062         (xstormy16_carry_plus_operand): Delete prototype.
2063         (xs_hi_general_operand): Likewise.
2064         (xs_hi_nonmemory_operand): Likewise.
2065
2066         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2067         modifiers as they are no longer needed and they can trigger
2068         reload spill failures.
2069
2070         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2071         with a match_operand in order to help reload.
2072
2073         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2074         constraint with 'e' for the 8th alternative as this version of
2075         the mov.w instruction only accepts the lower 8 registers.
2076
2077 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2078
2079         PR target/34856
2080         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2081         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2082         vector elements.
2083
2084 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2085
2086         PR middle-end/33333
2087         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2088
2089 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2090
2091         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2092         New functions.
2093         (remove_structure): Update allocations list before removing structure.
2094         
2095 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2096
2097         * ipa-struct-reorg.c (is_safe_cond_expr, 
2098         create_new_stmts_for_cond_expr): Use integer_zerop function,
2099         that recognize not only zero-pointer, but zero-integer too.
2100
2101 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2102
2103         PR other/22232
2104         * fixproto: Escape "." in sed expression that strips leading "./".
2105
2106 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2107
2108         PR driver/34904
2109         * gcc.c (SWITCH_OK): Removed.
2110         (SWITCH_LIVE): Changed to bit.
2111         (SWITCH_FALSE): Likewise.
2112         (SWITCH_IGNORE): Likewise.
2113         (switchstr): Change live_cond to unsigned int.
2114         (process_command): Replace SWITCH_OK with 0.
2115         (do_self_spec): Likewise.
2116         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2117         (give_switch): Likewise.
2118         (used_arg): Likewise.
2119         (do_spec_1): Set the SWITCH_IGNORE bit.
2120         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2121         bits.  Set the SWITCH_LIVE bit.
2122
2123 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2124
2125         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2126
2127 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2128
2129         PR tree-optimization/34472
2130         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2131         parameter to a "bool *" and set *DATA to false if there is
2132         an unsafe access.  Do not delete the structure here.
2133         (check_cond_exprs): Delete it here instead.
2134         (check_cond_exprs, exclude_cold_structs): Do not increase
2135         I when removing a structure.
2136
2137 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2138
2139         PR target/34856
2140         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2141         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2142
2143 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2144
2145         PR middle-end/34934
2146         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2147         a fixed vector for stack.
2148
2149 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2150
2151         PR c++/25701
2152         * doc/gcc.texi (Software development): Add a direntry for g++.
2153         
2154 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2155
2156         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2157         stale and straggling -fforce-addr comments above.
2158
2159         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2160         define.
2161         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2162         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2163
2164 2008-01-23  Michael Matz  <matz@suse.de>
2165
2166         PR debug/34895
2167         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2168         gen_type_die.
2169
2170 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2171
2172         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2173         malloc result type.
2174
2175 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2176
2177         * config/avr/avr.c (avr_current_arch): New variable.
2178         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2179         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2180         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2181         (avr_override_options): Init 'avr_current_arch'. 
2182         (base_arch_s): Move from here...
2183         * config/avr/avr.h (base_arch_s): ... here. Add new members 
2184         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
2185         'mega' to 'have_jmp_call'.
2186         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
2187         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2188         macros.
2189         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
2190         architectures.
2191         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
2192         MULTILIB_MATCHES): (Ditto.).
2193
2194 2008-01-23  Richard Guenther  <rguenther@suse.de>
2195
2196         PR middle-end/31529
2197         * cgraphunit.c (cgraph_reset_node): Always mark the node
2198         not reachable if it is not queued already.
2199
2200 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2201
2202         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2203         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2204         (cputype_selected): New static variable.
2205         (bfin_handle_option): Set it if -mcpu is used.
2206         (override_option): Select default set of workarounds if no cpu type
2207         selected on the command line.
2208         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2209
2210         From  Michael Frysinger  <michael.frysinger@analog.com>
2211         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2212         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2213
2214         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2215         for bf547, bf523, bf524, and bf526.
2216         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2217         bf526.
2218         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2219         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2220         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2221         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2222         * doc/invoke.texi (Blackfin Options): Document that
2223         -mcpu now accept bf547, bf523, bf524, and bf526.
2224
2225 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2226
2227         PR rtl-optimization/34628
2228         * combine.c (try_combine): Stop and undo after the first combination
2229         if an autoincrement side-effect on the first insn has effectively
2230         been lost.
2231
2232 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2233
2234         PR target/34529
2235         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2236         Offset addresses are not valid for Altivec or paired float modes.
2237
2238 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2239
2240         PR c++/34607
2241         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2242         if DECL_INITIAL (decl) is error_mark_node.
2243
2244         PR c++/34914
2245         * c-common.c (handle_vector_size_attribute): Only allow
2246         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2247         the same way as pointer, array etc. types.
2248         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2249
2250         PR c++/34917
2251         * tree.c (build_type_attribute_qual_variant): Call
2252         build_qualified_type if attributes are equal, but quals are not.
2253
2254 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2255
2256         PR 32102
2257         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2258         * flags.h (warn_strict_aliasing): Remove.
2259         (warn_strict_overflow): Remove.
2260         * opts.c (warn_strict_aliasing): Remove.
2261         (warn_strict_overflow): Remove.
2262         * c-opts.c (c_common_handle_option): -Wall only sets
2263         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2264         (c_common_post_options): Give default values to -Wstrict-aliasing
2265         and -Wstrict-overflow if they are uninitialized.
2266         * common.opt (Wstrict-aliasing): Specify Var and Init.
2267         (Wstrict-overflow): Likewise.
2268
2269 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2270
2271         PR rtl-optimization/26854
2272         PR rtl-optimization/34400
2273         PR rtl-optimization/34884
2274         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2275         DF_RD->gen.
2276         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2277         (df_rd_bb_info.expanded_lr_out): Deleted
2278         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2279         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2280         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2281         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2282         Removed code to allocate, initialize or free expanded_lr_out.
2283         (df_rd_bb_local_compute_process_def): Restructured to make more
2284         understandable.
2285         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2286         sets if the sets are being trimmed.
2287
2288 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2289
2290         PR bootstrap/32287
2291         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2292         (as_vers): Likewise.
2293         * configure: Regenerated.
2294
2295 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2296
2297         PR middle-end/33092
2298         * tree-pass.h (pass_build_alias): New pass.
2299         * tree-ssa-alias.c (gate_build_alias): New.
2300         (pass_build_alias): New.
2301         * passes.c (init_optimization_passes): Add pass_build_alias after
2302         pass_create_structure_vars.
2303
2304 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2305
2306         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2307         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2308         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2309         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2310         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2311         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2312         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2313         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2314         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2315         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2316         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2317         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2318         * config/s390/s390.md (FP_ALL): New mode iterator.
2319         (_d): New mode attribute.
2320         ("*signbit<mode>2>"): Changed mode of first operand.
2321         ("isinf<mode>2"): Changed mode of first operand.
2322         ("*TDC_insn"): Adaptation for DFP modes.
2323
2324 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2325
2326         * tree.c (check_qualified_type): Improve function description.
2327
2328 2008-01-21  Jason Merrill  <jason@redhat.com>
2329
2330         PR c++/34196
2331         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2332         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2333         if it is set.
2334
2335 2008-01-21  DJ Delorie  <dj@redhat.com>
2336
2337         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2338         return zero.
2339
2340 2008-01-21  Richard Guenther  <rguenther@suse.de>
2341
2342         PR middle-end/34856
2343         * tree-cfg.c (verify_expr): Allow all invariant expressions
2344         instead of just constant class ones as reference argument.
2345         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2346         like any other constant.
2347         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2348
2349 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2350
2351         * regmove.c (fixup_match_1): Update call crossed frequencies.
2352
2353 2008-01-21  Richard Guenther  <rguenther@suse.de>
2354
2355         PR c/34885
2356         * tree-inline.c (setup_one_parameter): Deal with mismatched
2357         types using a VIEW_CONVERT_EXPR.
2358
2359 2008-01-21  Alon Dayan  <alond@il.ibm.com>
2360             Olga Golovanevsky  <olga@il.ibm.com>
2361         
2362         PR tree-optimization/34701
2363         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
2364         when the structure size is not a power of 2.
2365
2366 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
2367
2368         * doc/install.texi: Add doc for --enable-checking=df.
2369         
2370 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2371
2372         PR rtl-optimization/34808
2373         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
2374
2375 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2376
2377         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
2378         input.
2379
2380 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2381
2382         PR rtl-optimization/26854
2383         PR rtl-optimization/34400
2384         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
2385         DF_RD->gen.
2386         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
2387         (df_rd_bb_info.expanded_lr_out): New.
2388         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
2389         * loop_iv.c (iv_analysis_loop_init): Ditto.
2390         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2391         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2392         Added code to allocate, initialize or free expanded_lr_out.
2393         (df_rd_bb_local_compute_process_def): Restructured to make
2394         more understandable.
2395         (df_rd_confluence_n): Add code to do nothing with fake edges and
2396         code to no apply invalidate_by_call sets if the sets are being trimmed.
2397         (df_lr_local_finalize): Renamed to df_lr_finalize.
2398         (df_live_local_finalize): Renamed to df_live_finalize.
2399
2400 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2401
2402         PR target/34831
2403         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
2404         deciding whether to use reciprocal instructions.
2405
2406 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
2407
2408         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
2409         dwarf2out_note_section_used if cold_text_section is NULL.
2410
2411 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
2412
2413         PR gcov-profile/34610
2414         * tree-cfg.c (make_edges): Mark both outgoing edges from
2415         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
2416         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
2417         from OMP_FOR and OMP_CONTINUE outgoing edges.
2418
2419         * tree-profile.c (tree_profiling): Return early if
2420         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
2421         at the end.
2422         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
2423         from cfun to child_cfun.
2424         * function.h (struct function): Add after_tree_profile bit.
2425
2426 2008-01-19 Anatoly Sokolov <aesok@post.ru>
2427
2428         * config/avr/avr.S (_exit): Disable interrupt.
2429
2430 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
2431             Steven Bosscher  <stevenb.gcc@gmail.com>
2432
2433         PR rtl-optimization/26854
2434         PR rtl-optimization/34400
2435         * df-problems.c (df_live_scratch): New scratch bitmap.
2436         (df_live_alloc): Allocate df_live_scratch when doing df_live.
2437         (df_live_reset): Clear the proper bitmaps.
2438         (df_live_bb_local_compute): Only process the artificial defs once
2439         since the order is not important.
2440         (df_live_init): Init the df_live sets only with the variables
2441         found live by df_lr.
2442         (df_live_transfer_function): Use the df_lr sets to prune the
2443         df_live sets as they are being computed.  
2444         (df_live_free): Free df_live_scratch.
2445
2446 2008-01-18  Ian Lance Taylor  <iant@google.com>
2447
2448         * common.opt: Add fmerge-debug-strings.
2449         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
2450         flag_merge_debug_strings rather than flag_merge_constants.
2451         * doc/invoke.texi (Option Summary): Mention
2452         -fmerge-debug-strings.
2453         (Debugging Options): Document -fmerge-debug-strings.
2454
2455 2008-01-18  Ian Lance Taylor  <iant@google.com>
2456
2457         PR c++/33407
2458         * tree.h (DECL_IS_OPERATOR_NEW): Define.
2459         (struct tree_function_decl): Add new field operator_new_flag.
2460         * tree-inline.c (expand_call_inline): When inlining a call to
2461         operator new, force the return value to go into a variable, and
2462         set DECL_NO_TBAA_P on that variable.
2463         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
2464
2465 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
2466
2467         PR debug/34484
2468         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
2469         DWARF2_DEBUGGING_INFO.
2470         (dwarf2out_note_section_used): Ditto.  Add prototype.
2471         (have_multiple_function_sections, text_section_used,
2472         cold_text_section_used, *cold_text_sections): Move declarations
2473         before their uses.
2474
2475 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
2476
2477         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
2478         field and add signal_ra.
2479         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
2480         assignments to frame state pc.  Move end of stack check after
2481         MD_FALLBACK_FRAME_STATE_FOR.
2482         (uw_update_context_1): Use frame state signal_regs if set, instead
2483         of checking signal_frame flag.
2484         (uw_update_context): Use frame state signal_ra if set.
2485         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
2486         * config/xtensa/linux-unwind.h: New file.
2487
2488 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
2489
2490         * modulo-sched.c (get_sched_window): Fix comment typo.
2491
2492 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
2493
2494         PR tree-optimization/34648
2495         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
2496
2497 2008-01-17  Anatoly Sokolov <aesok@post.ru>
2498
2499         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
2500         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
2501
2502 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
2503
2504         PR rtl-optimization/34400
2505         * df-core.c (df_worklist_dataflow_overeager,
2506         df_worklist_dataflow_doublequeue): New functions.
2507         (df_worklist_dataflow): Two different worklist solvers.
2508         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
2509         New param.
2510
2511 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2512
2513         PR testsuite/34821
2514         * doc/invoke.texi: Document the dependence on pthread for fopenmp
2515         and ftree-parallelize-loops.
2516
2517 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
2518
2519         PR rtl-optimization/34826
2520         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
2521
2522 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2523
2524         * global.c (find_reg): Mark the eh regs as used if necessary.
2525         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
2526         * ra.h (struct allocno): no_eh_reg field added.  Changed
2527         no_stack_reg type to bitfield.
2528
2529 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
2530
2531         * tree.c (substitute_in_expr): Add missing 'break'.
2532
2533 2008-01-17  Richard Guenther  <rguenther@suse.de>
2534
2535         PR tree-optimization/34825
2536         * tree-ssa-math-opts.c (is_division_by): Do not recognize
2537         x / x as division to handle.
2538
2539 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2540
2541         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
2542         "-pthread" is specified.
2543         * pa-hpux11.h (LIB_SPEC): Likewise.
2544
2545 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
2546             Peter Bergner  <bergner@vnet.ibm.com>
2547
2548         PR rtl-optimization/33796
2549         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
2550
2551 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2552
2553         PR libgfortran/34699
2554         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
2555         static links.
2556         * pa-hpux10.h (LINK_SPEC): Likewise.
2557         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
2558
2559 2008-01-16  Richard Guenther  <rguenther@suse.de>
2560
2561         PR middle-end/32628
2562         * fold-const.c (fold_convert_const_int_from_int): Do not
2563         set overflow if that occured only because of a sign extension
2564         change when converting from/to a sizetype with the same
2565         precision and signedness.
2566
2567 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2568
2569         PR debug/34249
2570         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
2571         location address to the correct place.  Update copyright year.
2572
2573 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2574
2575         * lambda-code.c (lambda_transform_legal_p): Handle the case of
2576         no dependences in the dependence_relations vector.
2577
2578 2008-01-16  Jan Hubicka  <jh@suse.cz>
2579
2580         PR rtl-optimization/31396
2581         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
2582         * cfg.c (dump_reg_info): Print it.
2583         * regs.h (struct reg_info_t): add freq_calls_crossed.
2584         (REG_FREQ_CALLS_CROSSED): New macro.
2585         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
2586         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
2587         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2588         regmove_optimize): Update call crossed frequencies.
2589         * local-alloc.c (struct qty): Add freq_calls_crossed.
2590         (alloc_qty): Copute freq_calls_crossed.
2591         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
2592         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
2593         * ra.h (struct allocno): Add freq_calls_crossed.
2594
2595 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2596
2597         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
2598         libgomp when compiling with ftree-parallelize-loops.
2599         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
2600
2601 2008-01-16  Richard Guenther  <rguenther@suse.de>
2602
2603         PR tree-optimization/34769
2604         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
2605         * tree.c (int_cst_value): Instead make this function more
2606         permissive in what it accepts as valid input.  Document this
2607         function always sign-extends the value.
2608
2609 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
2610             Richard Guenther  <rguenther@suse.de>
2611
2612         PR c/34668
2613         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
2614         (gimple_fold_indirect_ref_rhs): ... this.
2615         (gimple_fold_indirect_ref): New function with foldings
2616         that preserve lvalueness.
2617         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
2618         * tree-flow.h (gimple_fold_indirect_ref): Declare.
2619         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
2620         to fold an INDIRECT_REF, fall back to the old use of
2621         fold_indirect_ref_1.
2622
2623 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2624
2625         * tree-data-ref.c (subscript_dependence_tester_1): Call 
2626         free_conflict_function.
2627         (compute_self_dependence): Same.
2628
2629 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2630
2631         PR debug/34249
2632         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
2633         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
2634         function global.
2635         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
2636         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
2637         for DWARF2_UNWIND_INFO targets.
2638
2639 2008-01-16  Richard Guenther  <rguenther@suse.de>
2640
2641         PR c/34768
2642         * c-typeck.c (common_pointer_type): Do not merge inconsistent
2643         type qualifiers for function types.
2644
2645 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
2646
2647         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
2648         loop_iterator li from previous commit.
2649
2650 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2651
2652         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
2653
2654 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2655
2656         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
2657         (parallelize_loops): Don't parallelize irreducible components.
2658
2659 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2660
2661         PR c++/24924
2662         * c-opts (c_common_post_options): Do not enable CPP
2663         flag_pedantic_errors by default.
2664         
2665 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
2666
2667         PR rtl-optimization/31944
2668         * cse.c (remove_pseudo_from_table): New function.
2669         (merge_equiv_classes): Use above function to remove pseudo-registers.
2670         (invalidate): Likewise.
2671
2672 2008-01-13  Richard Guenther  <rguenther@suse.de>
2673
2674         PR middle-end/34601
2675         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
2676         instead of TYPE_MODE to deal with calls from expand_one_error_var.
2677
2678 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
2679
2680         * gcse.c (cprop_jump): Call validate_unshare_change instead of
2681         validate_change to unshare the source of the PC set.
2682
2683 2008-01-12  Jan Hubicka  <jh@suse.cz>
2684
2685         PR middle-end/32135
2686         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
2687         references above array bounds.  This might trigger bounds checks for
2688         pointers to arrays.
2689
2690 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2691
2692         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
2693         new_replaceable_dependencies.
2694
2695 2008-01-12  Doug Kwan  <dougkwan@google.com>
2696
2697         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
2698         instead of OPT_Wreturn_type in warning due to ignored return type
2699         qualifiers.
2700         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
2701         options included in -Wextra.
2702         * c.opt: New option -Wignored_qualifiers.
2703         * doc/invoke.texi (Warning Options, -Wextra): Add new option
2704         -Wignore_qualifiers.
2705         (-Wignored-qualifiers): Document.
2706         (-Wreturn-type): Remove description of functionality now handled
2707         by -Wignored-qualifiers.
2708
2709 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
2710
2711         PR ada/33788
2712         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
2713         NOP_EXPR if it is between integral types with the same precision.
2714
2715 2008-01-12  Jan Hubicka  <jh@suse.cz>
2716
2717         PR other/28023
2718         * invoke.texi (max-inline-recursive-depth): Fix default value.
2719
2720 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
2721
2722         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
2723         correct type.
2724
2725 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
2726         
2727         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
2728         
2729 2008-01-11  James E. Wilson  <wilson@specifix.com>
2730
2731         PR target/26015
2732         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
2733
2734 2008-01-11  Anatoly Sokolov <aesok@post.ru>
2735
2736         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
2737         save/restore frame pointer register and don't use 'call-prologues' 
2738         optimization in function with "OS_task" attribute.
2739
2740 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2741
2742         PR middle-end/31309
2743         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
2744         when copying to memory.
2745
2746 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
2747
2748         PR rtl-optimization/30905
2749         * cfgcleanup.c: Include dce.h
2750         (crossjumps_occured): New global variable.
2751         (try_crossjump_bb): Exit loop after finding a fallthru edge.
2752         If something changed, set crossjumps_occured to true.
2753         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
2754         Don't add/remove fake edges to exit here...
2755         (cleanup_cfg): ...but do it here, when crossjumping.
2756         Run a fast DCE when successful crossjumps occured in the latest
2757         iteration of try_optimize_cfg.
2758
2759 2008-01-11  Richard Guenther  <rguenther@suse.de>
2760
2761         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
2762         (struct vn_unary_op_s): Likewise.
2763         (vn_reference_insert): Free old reference on hash collision.
2764
2765 2008-01-10  Raksit Ashok  <raksit@google.com>
2766
2767         PR rtl-optimization/27971
2768         * combine.c (find_split_point): Split PLUS expressions which are
2769         inside a MEM rtx, and whose first operand is complex.
2770
2771 2008-01-10  DJ Delorie  <dj@redhat.com>
2772
2773         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
2774         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
2775         (m32c_hard_regno_ok): Call the underlying function.
2776
2777 2008-01-10  Richard Guenther  <rguenther@suse.de>
2778
2779         PR middle-end/34683
2780         * tree-cfg.c (tree_merge_blocks): Do not go through the
2781         full-blown folding and stmt updating path if we just deal
2782         with virtual operands.
2783         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
2784         test for abnormal SSA_NAMEs.
2785
2786 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2787
2788         PR middle-end/34641
2789         * reload.c (push_reload): Add assertions.  All constants from
2790         reg_equiv_constant should have been used for replacing the respective
2791         pseudo earlier.
2792         (find_reloads_address): Invoke find_reloads_address_part for
2793         constant taken from the reg_equiv_constant array.
2794
2795 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
2796
2797         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
2798         field (valnum) the first in the struct.  Replace bools with
2799         unit bit fields.
2800
2801 2008-01-10  Richard Guenther  <rguenther@suse.de>
2802
2803         PR tree-optimization/34651
2804         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
2805         types and ordering for masking and converting.
2806
2807 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
2808
2809         PR tree-optimization/34017
2810         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
2811         also for PHI_NODE expressions.
2812
2813 2008-01-09  Jan Hubicka  <jh@suse.cz>
2814
2815         PR tree-optimization/34708
2816         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
2817         based on number of case labels.
2818         (init_inline_once): Remove switch_cost.
2819         * tree-inline.h (eni_weights_d): Remove switch_cost.
2820
2821 2008-01-09  Richard Guenther  <rguenther@suse.de>
2822         Andrew Pinski  <andrew_pinski@playstation.sony.com>
2823
2824         PR middle-end/30132
2825         * gimplify.c (gimplify_cond_expr): Do not create an addressable
2826         temporary if an rvalue is ok or an lvalue is not required.
2827
2828 2008-01-09  Richard Guenther  <rguenther@suse.de>
2829
2830         PR middle-end/34458
2831         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
2832         adjust return type.
2833
2834 2008-01-09  Richard Guenther  <rguenther@suse.de>
2835
2836         PR middle-end/34679
2837         * tree.c (host_integerp): Check for sizetype only if the
2838         type is an integer type.
2839
2840 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
2841
2842         PR debug/26364
2843         * opts.c (decode_options): Disable inlining of functions called
2844         once if not in unit-at-a-time mode.
2845
2846 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
2847
2848         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
2849
2850 2008-01-08  Richard Guenther  <rguenther@suse.de>
2851
2852         PR middle-end/31863
2853         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
2854         out early if the result will be unused.
2855
2856 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
2857
2858         PR target/34709
2859         Revert:
2860
2861         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
2862         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2863         for TARGET_RECIP.       
2864         
2865 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
2866         
2867         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
2868         for vectorization tuned.
2869         
2870 2008-01-08  Richard Guenther  <rguenther@suse.de>
2871
2872         PR tree-optimization/34683
2873         * tree-ssa-operands.c (operand_build_cmp): Export.
2874         * tree-ssa-operands.h (operand_build_cmp): Declare.
2875         * tree-vn.c (vuses_compare): Remove.
2876         (sort_vuses): Use operand_build_cmp.
2877         (sort_vuses_heap): Likewise.
2878         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
2879         to re-use old VEC if available.  Do not sort already sorted VUSEs.
2880         (vdefs_to_vec): Do not sort already sorted VDEFs.
2881
2882 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
2883
2884         PR middle-end/34694
2885         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
2886
2887 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
2888
2889         PR target/34702
2890         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
2891         limitations of reciprocal sequences on x86 targets.
2892
2893 2008-01-08  Richard Guenther  <rguenther@suse.de>
2894
2895         PR tree-optimization/34683
2896         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
2897
2898 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
2899
2900         PR target/34622
2901         * config/darwin.c (darwin_mergeable_string_section): Don't use
2902         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
2903
2904 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
2905
2906         PR target/34682
2907         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
2908         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
2909         predicates of op0 and op1 to register_operand.
2910         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
2911         expander using X87MODEF mode iterator.  Change predicates of
2912         op0 and op1 to register_operand.
2913         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
2914         corresponding patterns and macroize using MODEF macro.  Change
2915         predicates of op0 and op1 to register_operand and remove
2916         "m" constraint. Disparage "r" alternative with "!".
2917         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
2918         macroize using X87MODEF macro.  Change predicates of op0 and op1
2919         to register_operand and remove "m" constraint.  Disparage "r"
2920         alternative with "!".
2921         (absneg splitter with memory operands): Remove.
2922         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
2923         patterns and macroize using X87MODEF mode iterator.
2924         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
2925         Change predicate of op1 to register_operand.
2926         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
2927         for memory operands.
2928
2929 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
2930
2931         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
2932
2933 2008-01-07  Richard Guenther  <rguenther@suse.de>
2934
2935         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
2936         fields.
2937
2938 2008-01-07  Richard Guenther  <rguenther@suse.de>
2939
2940         PR tree-optimization/34683
2941         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
2942         VOPs of the needed size to save memory.  Use VEC_quick_push
2943         to save compile-time.
2944         (vdefs_to_vec): Likewise.
2945
2946 2008-01-07  Sa Liu  <saliu@de.ibm.com>
2947
2948         * config/spu/spu.md (divdf3): Genetate inline code for double
2949         division.  The implementation doesn't handle INF or NAN, therefore it
2950         only applies when -ffinite-math-only is given.
2951
2952 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
2953
2954         PR libstdc++/34680
2955         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
2956         * doc/cpp.texi ([Common Predefined Macros]): Document.
2957
2958 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
2959
2960         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
2961         order to use commutative addition instead of subtraction.
2962
2963 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2964             Mircea Namolaru  <namolaru@il.ibm.com>
2965             Vladimir Yanovsky  <yanov@il.ibm.com>
2966             Revital Eres  <eres@il.ibm.com>
2967
2968         PR tree-optimization/34263
2969         * tree-outof-ssa.c (process_single_block_loop_latch,
2970         contains_tree_r): New functions.
2971         (analyze_edges_for_bb): Call process_single_block_loop_latch
2972         function to empty single-basic-block latch block if possible.
2973
2974 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
2975
2976         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2977         for TARGET_RECIP.
2978         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
2979
2980 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
2981
2982         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
2983
2984 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
2985
2986         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
2987
2988 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
2989
2990         PR tree-optimization/34618
2991         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
2992         flag from T.
2993
2994 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
2995
2996         PR target/34673
2997         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
2998         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
2999         Update copyright year.
3000
3001         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3002         Update copyright year.
3003         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3004         using NR fixup.
3005
3006 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3007
3008         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3009         edge does not point to current bb before changing need_assert.
3010
3011 2008-01-04  Richard Guenther  <rguenther@suse.de>
3012
3013         PR middle-end/34029
3014         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3015         for verifying purposes if they are is_gimple_min_invariant.
3016
3017 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3018
3019         PR tree-optimization/34448
3020         PR tree-optimization/34465
3021         * gimplify.c (gimplify_init_constructor): Add new parameter
3022         notify_temp_creation.  Use it.
3023         (gimplify_modify_expr_rhs): Take volatiles into account when
3024         optimizing constructors.
3025         Do not optimize constructors if gimplify_init_constructor will dump to
3026         memory.
3027         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3028         * gcc.c-torture/compile/pr34448.c: New.
3029
3030 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3031
3032         PR gcov-profile/34609
3033         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3034         return_slot if result is TREE_ADDRESSABLE.
3035
3036 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3037
3038         * config/mips/mips.md (sqrt_condition): Tweak comment.
3039         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3040
3041 2008-01-03  Tom Tromey  <tromey@redhat.com>
3042
3043         PR c/34457
3044         * c-common.c (c_type_hash): Handle VLAs.
3045
3046 2008-01-03  Jan Hubicka  <jh@suse.cz>
3047
3048         PR tree-optimization/31081
3049         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3050         0 when inlining and not inlining to first basic block.
3051         (remap_decl): When var is initialized to 0, don't set default_def.
3052         (expand_call_inline): Set entry_bb.
3053         * tree-inline.h (copy_body_data): Add entry_bb.
3054
3055 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3056
3057         PR c++/34619
3058         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3059         before returning.
3060
3061         PR tree-optimization/29484
3062         * tree-inline.c (inline_forbidden_p_2): New function.
3063         (inline_forbidden_p): Disallow inlining if some static var
3064         has an address of a local LABEL_DECL in its initializer.
3065         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3066         vs. inlining.
3067
3068 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3069
3070         PR tree-optimization/34635
3071         * tree-data-ref.c (add_other_self_distances): Make sure that the
3072         evolution step is constant.
3073
3074 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3075
3076         PR middle-end/34608
3077         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3078
3079 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3080
3081         * tree-sra.c (scalarize_init): Insert the generate_element_init
3082         statements after the generate_element_zero statements.
3083
3084 2008-01-02  Richard Guenther  <rguenther@suse.de>
3085
3086         PR middle-end/34093
3087         PR middle-end/31976
3088         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3089         for very large number of operands instead of ICEing.
3090
3091 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3092
3093         PR target/34013
3094         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3095         while stack probing.
3096
3097 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3098
3099         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3100         in C++0x mode.
3101
3102 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3103
3104         PR libmudflap/26442
3105         * tree-mudflap.c (mx_register_decls): Guard warning by
3106         !DECL_ARTIFICIAL check.
3107
3108 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3109
3110         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3111         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3112         sse5_perm<mode>): Fix constraints.