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1 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2
3         * tree-flow-inline.h (next_readonly_imm_use): Return
4         NULL_USE_OPERAND_P after the end.
5
6 2008-03-01  Richard Guenther  <rguenther@suse.de>
7
8         PR tree-optimization/35411
9         * tree-sra.c (sra_build_assignment): Split conversion to
10         final type to a separate statement if we are not assigning
11         to a register.
12
13 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
14
15         * fold-const.c (fold_convertible_p): Correct the logic to follow
16         that in fold_convert().
17
18 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
19
20         PR c++/35315
21         * tree-inline.c (build_duplicate_type): When we make a
22         duplicate type, make it unique in the canonical types system.
23
24 2008-02-29  Tom Tromey  <tromey@redhat.com>
25
26         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
27         input_file_stack_history, input_file_stack_restored): Remove.
28         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
29         * input.h (struct file_stack): Remove.
30         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
31         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
32         Likewise.
33         * diagnostic.h (struct diagnostic_context) <last_module>: Change
34         type.
35         (diagnostic_last_module_changed): Add 'map' argument.
36         (diagnostic_set_last_function): Likewise.
37         * diagnostic.c (undiagnostic_report_current_module): Iterate using
38         line map, not input_file_stack.
39         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
40
41 2008-02-29  Paul Brook  <paul@codesourcery.com>
42
43         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
44
45 2008-02-29  Paul Brook  <paul@codesourcery.com>
46
47         * config/arm/ieee754-df.S (muldf3): Use RET macros.
48
49 2008-02-29  Richard Guenther  <rguenther@suse.de>
50
51         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
52         vn_lookup_or_add.
53         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
54         value for comparing for a store match.
55         (simplify_unary_expression): Do nothing for SSA_NAMEs.
56         (try_to_simplify): Do not do a full-blown reference lookup.
57
58 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
59
60         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
61         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
62
63         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
64
65 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
66
67         * tree-loop-linear.c (try_interchange_loops): Compare memory access
68         strides against cache sizes.
69
70 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
71
72         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
73         constant to fpul.
74
75 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
76
77         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
78         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
79         is smaller than the original promoted value.
80         (simplify_subreg): If OP is a SUBREG, try to preserve its
81         SUBREG_PROMOTED_VAR_P information.
82
83 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
84
85         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
86         (VN_INFO_GET): Allocate new objects on the obstack.
87         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
88         for rpo_numbers_temp, for consistency.
89         (free_scc_vn): Free the obstack.
90
91 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
92
93         * doc/invoke.texi: Document -ftree-loop-distribution.
94         * tree-loop-distribution.c: New.
95         * tree-pass.h (pass_loop_distribution): New.
96         * graphds.h (struct graph): Add htab_t indices.
97         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
98         * tree-vectorizer.c (rename_variables_in_loop): Extern.
99         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
100         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
101         * tree-data-ref.c (debug_data_dependence_relations): New.
102         (dump_data_dependence_relation): Also print data references.
103         (free_data_ref): Extern.
104         (same_access_functions): Moved...
105         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
106         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
107         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
108         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
109         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
110         (stmts_from_loop): Skip LABEL_EXPR.
111         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del): New.
112         (build_rdg): Initialize rdg->indices htab.
113         (free_rdg, stores_from_loop, ref_base_address,
114         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
115         have_similar_memory_accesses_1, ref_base_address_1,
116         remove_similar_memory_refs): New.
117         * tree-data-ref.h: Depend on tree-chrec.h.
118         (debug_data_dependence_relations, free_data_ref): Declared.
119         (same_access_functions): ... here.
120         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level): New.
121         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
122         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
123         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
124         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
125         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
126         rdg_vertex_for_stmt): Declared.
127         (struct rdg_edge): Add level.
128         (RDGE_LEVEL): New.
129         (free_rdg, stores_from_loop, remove_similar_memory_refs,
130         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses): Declared.
131         (rdg_has_similar_memory_accesses): New.
132         * tree-vect-analyze.c: Remove unused static decls.
133         * lambda.h (dependence_level): New.
134         * common.opt (ftree-loop-distribution): New.
135         * tree-flow.h (mark_virtual_ops_in_bb, 
136         slpeel_tree_duplicate_loop_to_edge_cfg,
137         rename_variables_in_loop): Declared.
138         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
139         (OBJS-common): Add tree-loop-distribution.o.
140         (tree-loop-distribution.o): New rule.
141         * tree-cfg.c (mark_virtual_ops_in_bb): New.
142         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
143         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
144
145 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
146
147         PR target/33963
148         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
149         other than structures and unions.
150
151 2008-02-28  Richard Guenther  <rguenther@suse.de>
152
153         Revert:
154         2008-02-26  Richard Guenther  <rguenther@suse.de>
155
156         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
157         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
158         (lookup_decl_from_uid): Declare.
159         (remove_decl_from_map): Likewise.
160         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
161         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
162         (decl_for_uid_map): New global hashtable mapping DECL_UID
163         to the decl tree.
164         (init_ttree): Allocate it.
165         (insert_decl_to_uid_decl_map): New helper function.
166         (make_node_stat): Insert new decls into the map.
167         (copy_node_stat): Likewise.
168         (lookup_decl_from_uid): New function.
169         (remove_decl_from_map): Likewise.
170         (print_decl_for_uid_map_statistics): New helper.
171         (dump_tree_statistics): Call it.
172
173         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
174         (referenced_var_iterator): Adjust.
175         (FOR_EACH_REFERENCED_VAR): Adjust.
176         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
177         (num_referenced_vars): Adjust.
178         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
179         (first_referenced_var): Remove.
180         (end_referenced_vars_p): Likewise.
181         (next_referenced_var): Likewise.
182         (referenced_var_iterator_set): New helper function.
183         * tree-dfa.c (referenced_var_lookup): Adjust.
184         (referenced_var_check_and_insert): Likewise.
185         (remove_referenced_var): Likewise.
186         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
187         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
188         (verify_call_clobbering): Likewise.
189         (verify_memory_partitions): Likewise.
190         (init_tree_ssa): Allocate bitmap instead of hashtable for
191         referenced_vars.
192         (delete_tree_ssa): Adjust.
193         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
194         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
195         (compute_tag_properties): Likewise.
196         (set_initial_properties): Likewise.
197         (find_partition_for): Likewise.
198         (update_reference_counts): Likewise.
199         (dump_may_aliases_for): Likewise.
200         * tree-ssa-operands.c (add_virtual_operand): Likewise.
201         (add_call_clobber_ops): Likewise.
202         (add_call_read_ops): Likewise.
203         (get_asm_expr_operands): Likewise.
204         * tree-into-ssa.c (dump_decl_set): Likewise.
205         (update_ssa): Likewise.
206         * tree-sra.c (scan_function): Likewise.
207         (decide_instantiations): Likewise.
208         (scalarize_parms): Likewise.
209         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
210         (dsa_named_for): Likewise.
211         * tree-ssa-structalias.c (update_alias_info): Likewise.
212         (merge_smts_into): Likewise.
213
214 2008-02-27  David Daney  <ddaney@avtrex.com>
215
216         PR target/34409
217         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
218         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
219         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
220         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
221         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
222
223 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
224
225         PR target/25477
226         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
227         (BUILT_IN_NEXTTOWARD): Remove.
228         (BUILT_IN_NEXTTOWARDF): Ditto.
229         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
230         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
231
232 2008-02-27  Tom Tromey  <tromey@redhat.com>
233
234         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
235         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
236
237 2008-02-27  Jan Beulich  <jbeulich@novell.com>
238
239         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
240         update the respective field on newdecl.
241
242 2008-02-27  Revital Eres  <eres@il.ibm.com>
243
244         PR rtl-optimization/34999
245         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
246         crossing edges that ends with a call insn.
247         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
248         call insn and clear the EDGE_CROSSING flag of the crossing edge
249         when fixing fallthru edges.
250
251 2008-02-27  Richard Guenther  <rguenther@suse.de>
252
253         PR middle-end/35390
254         * fold-const.c (fold_unary): Return the correct argument,
255         converted to the result type.
256
257 2008-02-27  Richard Guenther  <rguenther@suse.de>
258
259         PR middle-end/34971
260         * expr.c (expand_expr_real_1): Assert on rotates that operate
261         on partial modes.
262         * fold-const.c (fold_binary): Use the types precision, not the
263         bitsize of the mode if folding rotate expressions.  Build rotates
264         only for full modes.
265
266 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
267
268         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
269         and CPP_PRAGMA_EOL.
270         * c-pragma.c (pragma_ns_name): New typedef.
271         (registered_pp_pragmas): New variable.
272         (c_pp_lookup_pragma): New function.
273         (c_register_pragma_1): If flag_preprocess_only, do nothing
274         for non-expanded pragmas, for expanded ones push pragma's
275         namespace and name into registered_pp_pragmas vector.
276         (c_invoke_pragma_handler): Register OpenMP pragmas even when
277         flag_preprocess_only, don't register GCC pch_preprocess
278         pragma if flag_preprocess_only.
279         * c-opts.c (c_common_init): Call init_pragma even if
280         flag_preprocess_only.
281         * c-pragma.c (c_pp_lookup_pragma): New prototype.
282         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
283         cpp_register_pragma if flag_preprocess_only.
284
285 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
286
287         PR c/28800
288         * c-parser.c (c_parser_translation_unit): Warn for empty
289         translation unit, not empty source file.
290
291 2008-02-26  Paul Brook  <paul@codesourcery.com>
292
293         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
294         operand for Thumb-2.
295         * config/arm/arm.h (reg_class): Add CORE_REGS.
296         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
297         (BASE_REG_CLASS): Use CORE_REGS.
298         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
299         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
300         (REGNO_OK_FOR_INDEX_P): Exclude SP.
301         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
302         ARM_REGNO_OK_FOR_INDEX_P.
303         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
304         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
305         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
306         (ldm/stm peepholes): Ditto.
307         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
308         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
309         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
310         * config/arm/constraints.md: Enable "k" constraint on ARM.
311
312 2008-02-27  Ben Elliston  <bje@au.ibm.com>
313
314         * config/rs6000/rs6000.c: Annotate cache line size field in all
315         instances of struct processor_costs.
316
317 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
318
319         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
320         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
321         jump_bypass): New counters.
322         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
323         * dce.c (gate_ud_dce): Same.
324         (gate_fast_dce): Same.
325         * dse.c (gate_dse1): New function.
326         (gate_dse2): New function.
327         (gate_dse): Merge results of new gate functions.
328         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
329         (gate_handle_jump_bypass): Add dbg_cnt.
330         (gate_handle_gcse): Add dbg_cnt.
331         * ifcvt.c (gate_handle_if_conversion): Same.
332         (gate_handle_if_after_combine): Same.
333         (gate_handle_if_after_reload): Same.
334         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
335
336 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
337
338         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
339         line sizes.
340         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
341
342 2008-02-26  Jason Merrill  <jason@redhat.com>
343
344         PR c++/35315
345         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
346         alone if it's the naming decl for the type's main variant.
347
348 2008-02-26  Tom Tromey  <tromey@redhat.com>
349
350         * system.h (USE_MAPPED_LOCATION): Poison.
351         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
352         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
353         (make_goto_expr_edges): Likewise.
354         (remove_bb): Likewise.
355         (execute_warn_function_return): Likewise.
356         * basic-block.h (struct edge_def) <goto_locus>: Change type to
357         location_t.
358         * c-common.c (fname_decl): Remove old location code.
359         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
360         location code.
361         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
362         variant.
363         (ASM_INPUT_SOURCE_LOCATION): Likewise.
364         (gen_rtx_ASM_INPUT): Likewise.
365         (gen_rtx_ASM_INPUT_loc): Likewise.
366         (get_rtx_asm_OPERANDS): Remove.
367         * cfglayout.c (insn_locators_alloc): Remove old location code.
368         (set_curr_insn_source_location): Likewise.
369         (curr_insn_locator): Likewise.
370         * print-tree.c (print_node): Remove old location code.
371         * tree-mudflap.c (mf_varname_tree): Remove old location code.
372         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
373         * cfgexpand.c (expand_gimple_cond_expr): Don't use
374         location_from_locus.
375         (construct_exit_block): Remove old location code.
376         * emit-rtl.c (force_next_line_note): Remove old location code.
377         * profile.c (branch_prob): Remove old location code.
378         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
379         LOC_LINE): Remove old-location variants.
380         * langhooks.c (lhd_print_error_function): Remove old location
381         code.
382         * configure, config.in: Rebuilt.
383         * configure.ac (--enable-mapped-location): Remove.
384         * c-decl.c (c_init_decl_processing): Remove old location code.
385         (finish_function): Likewise.
386         * recog.c (decode_asm_operands): Remove old location code.
387         * c-pch.c (c_common_read_pch): Remove old location code.
388         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
389         variants.
390         * gimple-low.c (lower_function_body): Remove old location code.
391         * toplev.c (unknown_location): Remove.
392         (push_srcloc): Remove old-location variant.
393         (process_options): Remove old location code.
394         (lang_dependent_init): Likewise.
395         * input.h (UNKNOWN_LOCATION): Move definition.
396         (location_t): Undeprecate.
397         (source_locus): Remove.
398         (location_from_locus): Remove.
399         (struct location_s): Remove.
400         Remove all old-location code.
401         (input_line, input_filename): Remove.
402         * final.c (final_scan_insn): Remove old location code.
403         * diagnostic.c (diagnostic_build_prefix): Remove
404         USE_MAPPED_LOCATION test.
405         * tree.h (gimple_stmt) <locus>: Now a location_t.
406         (tree_exp) <locus>: Likewise.
407         (DECL_IS_BUILTIN): Remove old-location variant.
408         (annotate_with_file_line, annotate_with_locus): Likewise.
409         (expr_locus, set_expr_locus): Update.
410         * tree.c (build1_stat): Remove old location code.
411         (last_annotated_node): Remove.
412         (annotate_with_file_line): Remove old-location variant.
413         (annotate_with_locus): Likewise.
414         (expr_location): Remove old location code.
415         (set_expr_location): Likewise.
416         (expr_has_location): Likewise.
417         (expr_locus): Likewise.
418         (set_expr_locus): Likewise.
419         (expr_filename): Don't use location_from_locus.
420         (expr_lineno): Likewise.
421         * rtl-error.c (location_for_asm): Remove old location code.
422         * c-lex.c (cb_line_change): Remove old location code.
423         (fe_file_change): Likewise.
424         (cb_def_pragma): Likewise.
425         (c_lex_with_flags): Likewise.
426         * gengtype.c (do_typedef): Don't special-case location types.
427         (define_location_structures): Remove.
428         (main): Don't call define_location_structures.
429         * tree-pretty-print.c (dump_implicit_edges): Remove old location
430         code.
431
432 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
433
434         PR 26264
435         * builtins.def (BUILT_IN_STDARG_START): Remove.
436         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
437         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
438         * tree-inline.c (inline_forbidden_p_1): Likewise.
439         
440 2008-02-26  Richard Guenther  <rguenther@suse.de>
441
442         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
443         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
444         (lookup_decl_from_uid): Declare.
445         (remove_decl_from_map): Likewise.
446         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
447         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
448         (decl_for_uid_map): New global hashtable mapping DECL_UID
449         to the decl tree.
450         (init_ttree): Allocate it.
451         (insert_decl_to_uid_decl_map): New helper function.
452         (make_node_stat): Insert new decls into the map.
453         (copy_node_stat): Likewise.
454         (lookup_decl_from_uid): New function.
455         (remove_decl_from_map): Likewise.
456         (print_decl_for_uid_map_statistics): New helper.
457         (dump_tree_statistics): Call it.
458
459         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
460         (referenced_var_iterator): Adjust.
461         (FOR_EACH_REFERENCED_VAR): Adjust.
462         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
463         (num_referenced_vars): Adjust.
464         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
465         (first_referenced_var): Remove.
466         (end_referenced_vars_p): Likewise.
467         (next_referenced_var): Likewise.
468         (referenced_var_iterator_set): New helper function.
469         * tree-dfa.c (referenced_var_lookup): Adjust.
470         (referenced_var_check_and_insert): Likewise.
471         (remove_referenced_var): Likewise.
472         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
473         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
474         (verify_call_clobbering): Likewise.
475         (verify_memory_partitions): Likewise.
476         (init_tree_ssa): Allocate bitmap instead of hashtable for
477         referenced_vars.
478         (delete_tree_ssa): Adjust.
479         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
480         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
481         (compute_tag_properties): Likewise.
482         (set_initial_properties): Likewise.
483         (find_partition_for): Likewise.
484         (update_reference_counts): Likewise.
485         (dump_may_aliases_for): Likewise.
486         * tree-ssa-operands.c (add_virtual_operand): Likewise.
487         (add_call_clobber_ops): Likewise.
488         (add_call_read_ops): Likewise.
489         (get_asm_expr_operands): Likewise.
490         * tree-into-ssa.c (dump_decl_set): Likewise.
491         (update_ssa): Likewise.
492         * tree-sra.c (scan_function): Likewise.
493         (decide_instantiations): Likewise.
494         (scalarize_parms): Likewise.
495         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
496         (dsa_named_for): Likewise.
497         * tree-ssa-structalias.c (update_alias_info): Likewise.
498         (merge_smts_into): Likewise.
499
500 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
501
502         PR 34351
503         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
504         * c-opts.c (c_common_handle_option): Wall enables
505         Wvolatile-register-var.
506         * common.opt: Move Wvolatile-register-var to...
507         * c.opt: ...here.
508         
509 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
510
511         * common.opt (Wlarger-than=): New.
512         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
513         -Wlarger-than=.
514         * opts.c (common_handle_option): Handle -Wlarger-than=.
515         * optc-gen.awk: Likewise.
516         * opth-gen.awk: Likewise.
517         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
518         * tree-optimize.c (tree_rest_of_compilation): Likewise.
519         
520 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
521
522         * c-common.c (match_case_to_enum_1): Add appropriate
523         OPT_W* parameter to warning.
524         (c_do_switch_warnings): Likewise.
525         * c-typeck.c (warning_init): Add one more parameter following
526         'warning' function.
527         (push_init_level): Update call to warning_init.
528         (pop_init_level): Likewise.
529         (add_pending_init): Likewise.
530         (output_init_element: Likewise.
531
532 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
533
534         PR 28322
535         * toplev.c (toplev_main): If there are warnings or error, print
536         errors for ignored options.
537         * opts.c (ignored_options): New static variable.
538         (postpone_unknown_option_error): New.
539         (print_ignored_options): New.
540         (handle_option): Postpone errors for unknown -Wno-* options.
541         * opts.h (print_ignored_options): Declare.
542         
543 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
544
545         * config/mips/mips.md (loadgp_blockage, blockage): Change type
546         to "ghost".
547
548 2008-02-25  Richard Guenther  <rguenther@suse.de>
549
550         Revert:
551         2008-02-25  Richard Guenther  <rguenther@suse.de>
552
553         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
554         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
555         (lookup_decl_from_uid): Declare.
556         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
557         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
558         (decl_for_uid_map): New global hashtable mapping DECL_UID
559         to the decl tree.
560         (init_ttree): Allocate it.
561         (insert_decl_to_uid_decl_map): New helper function.
562         (make_node_stat): Insert new decls into the map.
563         (copy_node_stat): Likewise.
564         (lookup_decl_from_uid): New function.
565         (print_decl_for_uid_map_statistics): New helper.
566         (dump_tree_statistics): Call it.
567
568         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
569         (referenced_var_iterator): Adjust.
570         (FOR_EACH_REFERENCED_VAR): Adjust.
571         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
572         (num_referenced_vars): Adjust.
573         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
574         (first_referenced_var): Remove.
575         (end_referenced_vars_p): Likewise.
576         (next_referenced_var): Likewise.
577         (referenced_var_iterator_set): New helper function.
578         * tree-dfa.c (referenced_var_lookup): Adjust.
579         (referenced_var_check_and_insert): Likewise.
580         (remove_referenced_var): Likewise.
581         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
582         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
583         (verify_call_clobbering): Likewise.
584         (verify_memory_partitions): Likewise.
585         (init_tree_ssa): Allocate bitmap instead of hashtable for
586         referenced_vars.
587         (delete_tree_ssa): Adjust.
588         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
589         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
590         (compute_tag_properties): Likewise.
591         (set_initial_properties): Likewise.
592         (find_partition_for): Likewise.
593         (update_reference_counts): Likewise.
594         (dump_may_aliases_for): Likewise.
595         * tree-ssa-operands.c (add_virtual_operand): Likewise.
596         (add_call_clobber_ops): Likewise.
597         (add_call_read_ops): Likewise.
598         (get_asm_expr_operands): Likewise.
599         * tree-into-ssa.c (dump_decl_set): Likewise.
600         (update_ssa): Likewise.
601         * tree-sra.c (scan_function): Likewise.
602         (decide_instantiations): Likewise.
603         (scalarize_parms): Likewise.
604         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
605         (dsa_named_for): Likewise.
606         * tree-ssa-structalias.c (update_alias_info): Likewise.
607         (merge_smts_into): Likewise.
608
609 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
610
611         PR fortran/29549
612         * doc/invoke.texi (-fcx-limited-range): Document new option.
613         * toplev.c (process_options): Handle -fcx-fortran-rules.
614         * common.opt: Add documentation for -fcx-fortran-rules.
615
616 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
617
618         PR c/35162
619         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
620         actual behaviour and C99.
621         
622 2008-02-26  Ben Elliston  <bje@au.ibm.com>
623
624         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
625         (ASM_CPU_POWER6_SPEC): Likewise.
626         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
627         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
628         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
629
630 2008-02-25  Richard Guenther  <rguenther@suse.de>
631
632         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
633         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
634         (lookup_decl_from_uid): Declare.
635         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
636         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
637         (decl_for_uid_map): New global hashtable mapping DECL_UID
638         to the decl tree.
639         (init_ttree): Allocate it.
640         (insert_decl_to_uid_decl_map): New helper function.
641         (make_node_stat): Insert new decls into the map.
642         (copy_node_stat): Likewise.
643         (lookup_decl_from_uid): New function.
644         (print_decl_for_uid_map_statistics): New helper.
645         (dump_tree_statistics): Call it.
646
647         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
648         (referenced_var_iterator): Adjust.
649         (FOR_EACH_REFERENCED_VAR): Adjust.
650         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
651         (num_referenced_vars): Adjust.
652         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
653         (first_referenced_var): Remove.
654         (end_referenced_vars_p): Likewise.
655         (next_referenced_var): Likewise.
656         (referenced_var_iterator_set): New helper function.
657         * tree-dfa.c (referenced_var_lookup): Adjust.
658         (referenced_var_check_and_insert): Likewise.
659         (remove_referenced_var): Likewise.
660         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
661         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
662         (verify_call_clobbering): Likewise.
663         (verify_memory_partitions): Likewise.
664         (init_tree_ssa): Allocate bitmap instead of hashtable for
665         referenced_vars.
666         (delete_tree_ssa): Adjust.
667         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
668         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
669         (compute_tag_properties): Likewise.
670         (set_initial_properties): Likewise.
671         (find_partition_for): Likewise.
672         (update_reference_counts): Likewise.
673         (dump_may_aliases_for): Likewise.
674         * tree-ssa-operands.c (add_virtual_operand): Likewise.
675         (add_call_clobber_ops): Likewise.
676         (add_call_read_ops): Likewise.
677         (get_asm_expr_operands): Likewise.
678         * tree-into-ssa.c (dump_decl_set): Likewise.
679         (update_ssa): Likewise.
680         * tree-sra.c (scan_function): Likewise.
681         (decide_instantiations): Likewise.
682         (scalarize_parms): Likewise.
683         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
684         (dsa_named_for): Likewise.
685         * tree-ssa-structalias.c (update_alias_info): Likewise.
686         (merge_smts_into): Likewise.
687
688 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
689
690         PR target/35258
691         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
692         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
693         * alias.h (nonoverlapping_memrefs_p): Likewise.
694
695 2008-02-25  Jan Beulich  <jbeulich@novell.com>
696
697         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
698         * config/i386/netware-libgcc.exp: Add __bswap?i2,
699         __emultls_get_address, __emultls_register_common,
700         __floatundi?f, and _Unwind_GetIPInfo.
701         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
702         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
703         (gen_regparm_prefix): Likewise.
704         (i386_nlm_encode_section_info): Sync with
705         config/i386/winnt.c:i386_pe_encode_section_info().
706         (i386_nlm_maybe_mangle_decl_assembler_name): New.
707         i386_nlm_mangle_decl_assembler_name): New.
708         (netware_override_options): New.
709         * config/i386/netware.h (netware_override_options): Declare.
710         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
711         (i386_nlm_mangle_decl_assembler_name): Declare.
712         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
713
714 2008-02-25  Ben Elliston  <bje@au.ibm.com>
715
716         PR other/32948
717         * c-decl.c (grokdeclarator): Remove unused local variables
718         `typedef_type' and `type_as_written'.
719         * bb-reorder.c
720         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
721         unused local variable `has_hot_blocks'.
722         (fix_crossing_conditional_branches): Remove unused local variable
723         `prev_bb'.
724         
725 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
726
727         PR middle-end/19984
728         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
729         using DEF_C99_BUILTIN.
730         (BUILT_IN_NANF): Ditto.
731         (BUILT_IN_NANL): Ditto.
732
733 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
734             Revital Eres  <eres@il.ibm.com>
735
736         * modulo-sched.c (calculate_must_precede_follow): Address TODO
737         regarding the order of two dependent insns in the same row.
738
739 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
740
741         * stor-layout.c (layout_decl): Do not bump the alignment of a
742         bit-field to more than byte alignment if it is packed.
743
744 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
745
746         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
747         e300c2 and e300c3.
748
749 2008-02-24  Diego Novillo  <dnovillo@google.com>
750
751         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
752
753         PR 33738
754         * tree-vrp.c (vrp_evaluate_conditional): With
755         -Wtype-limits, emit a warning when comparing against a
756         constant outside the natural range of OP0's type.
757         * c.opt (Wtype-limits): Move ...
758         * common.opt (Wtype-limits): ... here.
759
760 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
761
762         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
763         * config/rs6000/e300c2c3.md: New file.
764         * config/rs6000/rs6000.c (processor_costs): Add new costs for
765         e300c2 and e300c3.
766         (rs6000_override_options): Add e300c2 and e300c3 cases to
767         processor_target_table. Do not allow usage of Altivec or Spe
768         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
769         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
770         * config/rs6000/rs6000.h (processor_type): Add
771         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
772         (ASM_CPU_SPEC): Add e300c2 and e300c3.
773         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
774         and ppce300c3. Include e300c2c3.md.
775
776 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
777
778         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
779         instead of TARGET_STRICT_ALIGN.
780
781 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
782
783         * explow.c (memory_address): Assert that the generated address is
784         valid.
785
786 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
787
788         PR target/25477
789         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
790         * config/darwin-ppc-ldouble-patch.def: New file.
791         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
792         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
793         SUBTARGET_INIT_BUILTINS if defined.
794         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
795         New functions.
796
797 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
798
799         PR rtl-opt/33512
800         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
801         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
802
803 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
804
805         PR pch/35027
806         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
807         file" warning condtional on -Winvalid-PCH.
808
809 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
810
811         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
812
813 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
814
815         PR target/22076
816         PR target/34256 
817         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
818         prevent reload from using MMX registers.
819         (*mov<mode>_internal): Ditto.
820         (*movv2sf_internal_rex64): Ditto.
821         (*movv2sf_internal): Ditto.
822
823 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
824
825         PR documentation/31569
826         * doc/install.texi2html: Use makeinfo --no-number-sections.
827
828 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
829
830         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
831         ensure that we can address an entire entity > 8 bytes.  Don't
832         generate reg+reg addressing for such data.
833
834 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
835
836         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
837         strings when optimizing for size, unless the target cares about
838         alignment.
839
840 2008-02-22  Tom Tromey  <tromey@redhat.com>
841
842         * regclass.c (current_pass): Remove declaration.
843
844 2008-02-22  Anatoly Sokolov <aesok@post.ru>
845
846         * config/avr/libgcc.S (__RAMPZ__): Define.
847         (__do_copy_data): Add for devices with 128KB code memory.
848
849 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
850
851         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
852         Use spe_abi.
853         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
854
855 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
856
857         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
858         GENNONACR_REGS.
859
860 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
861
862         PR c/19999
863         * c-typeck.c (build_binary_op): Warn about floating point
864         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
865
866 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
867
868         PR target/34526
869         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
870         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
871         add vrsave.
872         (rs6000_override_options): Set altivec_abi as default, not override,
873         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
874         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
875         is used; use new member spe_abi.
876         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
877         spe_abi and altivec_abi.
878
879 2008-02-22  Tomas Bily  <tbily@suse.cz>
880
881         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
882
883 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
884
885         PR bootstrap/35273
886         * config.build (build_file_translate): Set to `CMD //c' only if
887         it works.
888         * Makefile.in (build_file_translate): Improve comment.
889
890 2008-02-21  Jan Hubicka  <jh@suse.cz>
891
892         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
893         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
894         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
895
896 2008-02-21  Michael Matz  <matz@suse.de>
897
898         PR target/35264
899         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
900
901 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
902
903         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
904         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
905         as insn constraint.
906         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
907         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
908         SSE_VEC_FLOAT_MODE_P as insn constraint.
909         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
910         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
911         sse4a_movntdf using MODEF mode iterator.
912         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
913         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
914         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
915         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
916         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
917         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
918         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
919
920 2008-02-21  Richard Guenther  <rguenther@suse.de>
921
922         * tree.def (PAREN_EXPR): New tree code.
923         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
924         and PAREN_EXPR.
925         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
926         * expr.c (expand_expr_real_1): Likewise.
927         * tree-inline.c (estimate_num_insns_1): Likewise.
928         * tree-complex.c (expand_complex_move): Likewise.
929         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
930         as plain x.
931
932 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
933
934         PR target/35225
935         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
936
937 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
938
939         PR target/35190
940         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
941
942         * config/sh/sh.c (find_barrier): Don't go past
943         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
944
945 2008-02-20  DJ Delorie  <dj@redhat.com>
946
947         * config/h8300/h8300.md (insv): Force source operand to be a register.
948
949         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
950         as a jump, not as a plain insn.
951         
952 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
953
954         * doc/invoke.texi (Warning Options): Add new option
955         -Wframe-larger-than=.
956         (-Wframe-larger-than): Document.
957
958         * flags.h (warn_frame_larger_than, frame_larger_than_size):
959         Add declarations for new option variables.
960
961         * final.c (final_start_function): Check the frame size
962         before emission and issue a Wframe-larger-than warning.
963
964         * opts.c (warn_frame_larger_than, frame_larger_than_size):
965         Add definitions for new option variables.
966         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
967
968         * common.opt (Wframe-larger-than=): New option.
969
970 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
971
972         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
973         (<sse>_div<mode>3): Ditto.
974         (<sse>_vmdiv<mode>3): Ditto.
975         (<sse>_vmsqrt<mode>2): Ditto.
976         (*smax<mode>3): Ditto.
977         (sse5_frcz<mode>2): Ditto.
978         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
979         as insn constraint.
980
981 2008-02-20  Richard Guenther  <rguenther@suse.de>
982
983         PR middle-end/35265
984         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
985         be happy with INTEGRAL_TYPE_P.
986
987 2008-02-20  Richard Guenther  <rguenther@suse.de>
988
989         * fold-const.c (split_tree): Associate floatig-point expressions
990         if flag_associative_math is set.
991
992 2008-02-20  Richard Guenther  <rguenther@suse.de>
993
994         * tree.h (fold_real_zero_addition_p): Declare.
995         * fold-const.c (fold_real_zero_addition_p): Export.
996         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
997         floating-point operations with zero and one.
998
999 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1000
1001         * doc/install.texi: Correct references to CFLAGS, replacing them
1002         with BOOT_CFLAGS.  Document flags used during bootstrap for
1003         target libraries.
1004                                 
1005 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1006
1007         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1008         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1009         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1010         insn constraint.
1011         (smin<mode>3): Ditto from similar patterns.
1012         (smax<mode>3): Ditto.
1013         (*ieee_smin<mode>3): Ditto.
1014         (*ieee_smax<mode>3): Ditto.
1015         * config/i386/sse.md (sse): New mode attribute.
1016         (mov<mode>): Macroize expander from movv4sf and movv2df using
1017         SSEMODEF2P mode iterator.
1018         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1019         SSE_VEC_FLOAT_MODE_P as insn constraint.
1020         (storent<mode>): Ditto.
1021         (storent<mode>): Macroize expander from storentsf and storentdf using
1022         MODEF mode iterator.
1023         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1024         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1025         (abs<mode>2): Ditto from similar patterns.
1026         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1027         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1028         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1029         (<sse>_vmsqrt<mode>2): Ditto.
1030         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1031         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1032         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1033         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1034         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1035         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1036         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1037         insn constraint.
1038         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1039         iterator and SSE_FLOAT_MODE_P as insn constraint.
1040         (<sse>_ucomi): Ditto from similar patterns.
1041         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1042         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1043         SSE_VEC_FLOAT_MODE_P as insn constraint.
1044         (vcond<mode>): Ditto from similar patterns.
1045         (and<mode>3, *and<mode>3): Ditto.
1046         (<sse>_nand<mode>3): Ditto.
1047         (ior<mode>3, *ior<mode>3): Ditto.
1048         (xor<mode>3, *xor<mode>3): Ditto.
1049         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1050         iterator and SSE_FLOAT_MODE_P as insn constraint.
1051         (*nand<mode>3): Ditto from similar patterns.
1052         (*ior<mode>3): Ditto.
1053         (*xor<mode>3): Ditto.
1054
1055 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1056
1057         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1058         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1059         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1060
1061 2008-02-19  Jan Hubicka  <jh@suse.cz>
1062
1063         * predict.c (tree_bb_level_predictions): Remove variable next
1064         mistakely introduced by previous commit.
1065
1066 2008-02-19  Jan Hubicka  <jh@suse.cz>
1067
1068         * predict.c (predict_paths_leading_to): Rewrite.
1069         (predict_paths_for_bb): New.
1070         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1071
1072 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1073
1074         PR bootstrap/35218
1075         * Makefile.in (build_file_translate): New.
1076         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1077         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1078         * configure.ac (build_file_translate): Substitute it.
1079         * configure: Regenerate.
1080
1081 2008-02-19  Jan Hubicka  <jh@suse.cz>
1082
1083         PR rtl-optimization/34408
1084         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1085         invalid sharing.
1086
1087 2008-02-19  Jan Hubicka  <jh@suse.cz>
1088
1089         PR middle-end/28779
1090         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1091         call_expr.
1092
1093 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1094
1095         PR Ada/35186
1096         * config/i386/i386-modes.def: Revert the last DI alignment
1097         change until Ada people can look into it.
1098
1099 2008-02-19  Nick Clifton  <nickc@redhat.com>
1100
1101         * opts.c (print_specific_help): Fix typo in --help text.
1102
1103 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1104
1105         PR target/35239
1106         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1107         32-bit inline asm without asm alternatives for host GCC < 3.0.
1108
1109 2008-02-19  Richard Guenther  <rguenther@suse.de>
1110
1111         PR tree-optimization/34989
1112         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1113         Allow propagation to INDIRECT_REF if we can simplify only.
1114
1115 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1116
1117         * c-common.c (warn_for_collisions_1): Use appropriate option when
1118         warning.
1119
1120 2008-02-19  Nick Clifton  <nickc@redhat.com>
1121
1122         PR other/31349
1123         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1124         (handle_options): Fix indentation.
1125         (print_filtered_help): If no language-specific options were
1126         displayed tell the user how to list all the options supported by
1127         the language's front-end.
1128         (print_specific_help): Fix indentation and remove duplicate line.
1129         (common_handle_option): Handle the -v option.
1130         For --help enable the display of undocumented options if the -v
1131         switch has been included on the command line.
1132         For --help= check for overlaps in the arguments between the option
1133         classes and the language names and issue a warning when they
1134         cannot be disambiguated.
1135         * c.opt (v): Pass on to the common option handler.
1136
1137 2008-02-19  Revital Eres  <eres@il.ibm.com> 
1138
1139         * modulo-sched.c (sms_schedule): Change dump message when
1140         create_ddg function fails.
1141         (try_scheduling_node_in_cycle): Rename row to cycle.
1142         (print_partial_schedule): Rename CYCLE to ROW.
1143
1144 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1145             Zdenek Dvorak  <ook@ucw.cz>
1146
1147         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1148
1149 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1150
1151         PR target/33555
1152         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1153         (*x86_movdicc_0_m1_se): Ditto.
1154
1155 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1156
1157         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1158         (CMPtype): Define as __gcc_CMPtype.
1159         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1160         (CMPtype): Define as __gcc_CMPtype.
1161
1162 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1163
1164         Support valgrind 3.3 for --enable-checking=valgrind.
1165         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1166         here.
1167         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1168         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1169         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1170         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1171         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1172         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1173         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1174         respectively.
1175         * ggc-zone.c: Similar.
1176         * ggc-page.c: Similar.
1177
1178 2008-02-19  Paul Brook  <paul@codesourcery.com>
1179
1180         PR target/35071
1181         * config/arm/ieee754-df.S: Fix do_it typo.
1182         * config/arm/ieee754-sf.S: Fix do_it typo.
1183
1184 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1185
1186         PR target/35189
1187         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1188         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1189         (OPTION_MASK_ISA_SSE_SET): Likewise.
1190         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1191         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1192         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1193         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1194         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1195         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1196         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1197         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1198         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1199         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1200         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1201         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1202         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1203         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1204         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1205         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1206         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1207         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1208         (OPTION_MASK_ISA_SSE4): Removed.
1209         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1210         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1211         -mXXX.
1212         (override_options): Don't turn on implied SSE/MMX bits in
1213         ix86_isa_flags.
1214
1215 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1216
1217         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1218         32bit host.
1219
1220 2008-02-18  Joey Ye  <joey.ye@intel.com>
1221
1222         PR middle-end/34921
1223         * tree-nested.c (insert_field_into_struct): Set type alignment
1224         to field alignment if the former is less than the latter.
1225
1226 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1227
1228         * BASE-VER: Set to 4.4.0.
1229
1230 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1231
1232         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1233         * doc/cfg.texi: Likewise.
1234         * doc/extend.texi: Likewise.
1235         * doc/gty.texi: Likewise.
1236         * doc/invoke.texi: Likewise.
1237         * doc/loop.texi: Likewise.
1238         * doc/md.texi: Likewise.
1239         * doc/passes.texi: Likewise.
1240         * doc/rtl.texi: Likewise.
1241         * doc/sourcebuild.texi: Likewise.
1242         * doc/tm.texi: Likewise.
1243         * doc/tree-ssa.texi: Likewise.
1244
1245 2008-02-17  Richard Guenther  <rguenther@suse.de>
1246
1247         PR middle-end/35227
1248         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1249         without default definition.
1250
1251 2008-02-17  Richard Guenther  <rguenther@suse.de>
1252
1253         PR tree-optimization/35231
1254         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1255         if A | B != 1.
1256
1257 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1258
1259         Revert:
1260
1261         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
1262         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1263         libgcc_cmp_return mode.
1264
1265 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1266
1267         PR c/28368
1268         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1269
1270 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1271
1272         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1273         multilibs.
1274
1275 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1276
1277         * doc/c-tree.texi: Use `@.' where appropriate.
1278         * doc/extend.texi: Likewise.
1279         * doc/install.texi: Likewise.
1280         * doc/invoke.texi: Likewise.
1281         * doc/loop.texi: Likewise.
1282         * doc/makefile.texi: Likewise.
1283         * doc/md.texi: Likewise.
1284         * doc/passes.texi: Likewise.
1285         * doc/standards.texi: Likewise.
1286         * doc/tm.texi: Likewise.
1287
1288 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1289
1290         PR middle-end/35196
1291         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1292         in entry_bb.
1293         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1294         rather than in entry_bb.
1295
1296 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1297
1298         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1299         libgcc_cmp_return mode.
1300
1301 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1302
1303         PR middle-end/35130
1304         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1305         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1306
1307 2008-02-15  Richard Guenther  <rguenther@suse.de>
1308             Zdenek Dvorak  <ook@ucw.cz>
1309
1310         PR tree-optimization/35164
1311         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1312         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1313         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1314         Only propagate addresses which do not have abnormal SSA_NAMEs
1315         in their operands.
1316
1317 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1318
1319         PR target/35088
1320         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1321
1322 2008-02-15  Jan Hubicka  <jh@suse.cz>
1323
1324         PR middle-end/35149
1325         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1326
1327 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1328
1329         PR middle-end/34621
1330         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1331         when calculating alignment_pad.
1332
1333 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1334
1335         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1336         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1337         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1338         and STACK_BOUNDARY define.
1339
1340 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1341
1342         PR preprocessor/35061
1343         * c-pragma.c (handle_pragma_pop_macro): Check that
1344         pushed_macro_table has been allocated.
1345
1346 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1347
1348         PR middle-end/35136
1349         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1350         (force_gimple_operand): Likewise.
1351         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1352         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1353         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1354         (find_interesting_uses_address): Check addressability and alignment
1355         of the base expression only after substituting bases of IVs into it.
1356
1357 2008-02-14  Michael Matz  <matz@suse.de>
1358
1359         PR target/34930
1360         * function.c (instantiate_virtual_regs_in_insn): Reload address
1361         before falling back to reloading the whole operand.
1362
1363 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1364
1365         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1366         before the first section switch note.
1367
1368 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1369
1370         * doc/bugreport.texi: Update copyright years.
1371         * doc/c-tree.texi: Likewise.
1372         * doc/cfg.texi: Likewise.
1373         * doc/cpp.texi: Likewise.
1374         * doc/cppinternals.texi: Likewise.
1375         * doc/fragments.texi: Likewise.
1376         * doc/frontends.texi: Likewise.
1377         * doc/gcc.texi: Likewise.
1378         * doc/gty.texi: Likewise.
1379         * doc/hostconfig.texi: Likewise.
1380         * doc/implement-c.texi: Likewise.
1381         * doc/libgcc.texi: Likewise.
1382         * doc/loop.texi: Likewise.
1383         * doc/makefile.texi: Likewise.
1384         * doc/options.texi: Likewise.
1385         * doc/passes.texi: Likewise.
1386         * doc/rtl.texi: Likewise.
1387         * doc/sourcebuild.texi: Likewise.
1388         * doc/standards.texi: Likewise.
1389         * doc/tree-ssa.texi: Likewise.
1390         * doc/trouble.texi: Likewise.
1391
1392         * doc/extend.texi: Use @: or add comma where appropriate.
1393         * doc/invoke.texi: Likewise.
1394         * doc/tm.texi: Likewise.
1395
1396 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1397
1398         PR target/34393
1399         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1400         to a reg.
1401
1402 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1403
1404         * doc/md.texi (clz, ctz): Add reference.
1405         * doc/rtl.texi (clz, ctz): Likewise.
1406
1407 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1408
1409         PR other/35148
1410         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1411         srcdir.
1412
1413 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1414
1415         * config/s390/s390.c (struct constant_pool): New field
1416         emit_pool_after added.
1417         (s390_mainpool_start): Set the emit_pool_after flag according
1418         to the section switch notes.
1419         (s390_mainpool_finish): Consider emit_pool_after when emitting
1420         the literal pool at the end of the function.
1421         (s390_chunkify_start): Force literal pool splits at section
1422         switch notes.
1423
1424 2008-02-13  Michael Matz  <matz@suse.de>
1425
1426         PR debug/35065
1427         * var-tracking.c (clobber_variable_part): Correctly traverse the
1428         list.
1429
1430 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1431
1432         PR 29673
1433         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1434         Add -fdump-ipa-inline.
1435         * tree-dump.c (dump_files): Remove tree-inlined dump.
1436         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
1437         
1438 2008-02-12  Richard Guenther  <rguenther@suse.de>
1439
1440         PR tree-optimization/35171
1441         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
1442         default defs.
1443
1444 2008-02-12  Richard Guenther  <rguenther@suse.de>
1445
1446         PR middle-end/35163
1447         * fold-const.c (fold_widened_comparison): Use get_unwidened in
1448         value-preserving mode.  Disallow final truncation.
1449
1450 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1451
1452         PR middle-end/35136
1453         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
1454         code from here to...
1455         (force_gimple_operand): ...here.
1456
1457 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
1458
1459         PR c++/35144
1460         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
1461         non-compatible pointers.
1462         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
1463         different FIELD_DECLs, try harder by comparing field offsets, sizes
1464         and types.
1465
1466         PR inline-asm/35160
1467         * function.c (match_asm_constraints_1): Don't replace the same input
1468         multiple times.
1469
1470 2008-02-12  Anatoly Sokolov <aesok@post.ru>
1471
1472         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
1473         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
1474         (expand_epilogue): Restore RAMPZ register.
1475         * config/avr/avr.md (RAMPZ_ADDR): New constant.
1476
1477 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
1478
1479         * config/i386/cygwin.asm: (__alloca): Correct calling
1480         convention and alignment.
1481         (__chkstk): Force 8 byte stack alignment.
1482
1483 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
1484             Richard Guenther  <rguenther@suse.de>
1485
1486         PR tree-optimization/33992
1487         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
1488         the zero we compare against.
1489
1490 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
1491
1492         PR libfortran/35063
1493         * gthr-win32.h (__gthread_mutex_destroy_function): New function
1494         to CloseHandle after unlocking to prevent accumulation of handle
1495         count.
1496
1497 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1498
1499         PR middle_end/34150
1500         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
1501         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
1502         and update LABEL_NUSES during and after reload.
1503
1504 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
1505
1506         PR middle-end/34627
1507         * combine.c (simplify_if_then_else): Make sure the comparison is
1508         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
1509
1510 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1511
1512         PR bootstrap/35051
1513         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
1514         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
1515         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
1516         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
1517         * tree.h (get_type_static_bounds): Likewise.
1518
1519 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1520
1521         * doc/invoke.texi (Option Summary, C++ Dialect Options)
1522         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1523         Make -Wfoo language annotations match what the compiler outputs.
1524
1525 2008-02-08  Sa Liu  <saliu@de.ibm.com>
1526
1527         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
1528         intrinsics spu_convts, spu_convtu, spu_convtf.
1529         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
1530
1531 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
1532
1533         * doc/extend.texi (Function Attributes) <noinline>: Mention
1534         asm ("") as method to keep calls.
1535
1536 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1537
1538         PR other/32754
1539         * doc/options.texi (Options): Replace references to opts.sh with
1540         optc-gen.awk.
1541         * opts-common.c: Likewise.
1542         * optc-gen.awk: Likewise.
1543         
1544 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1545
1546         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
1547
1548 2008-02-07  Richard Henderson  <rth@redhat.com>
1549
1550         PR rtl-opt/33410
1551         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
1552         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
1553         funny mode.
1554
1555 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
1556
1557         PR tree-optimization/35085
1558         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
1559         for operand entry oe2 in addition to operand entry oe3 in order to
1560         expose more opportunities for vectorizer sum reduction.
1561
1562 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1563
1564         PR other/35107
1565         * Makefile.in (LIBS): Remove $(GMPLIBS).
1566         (cc1-dummy, cc1): Add $(GMPLIBS).
1567
1568 2008-02-06  Jan Hubicka  <jh@suse.cz>
1569
1570         PR target/23322
1571         * i386.md (moddf_integer): Do not produce partial memory stalls for
1572         targets where it hurts.
1573
1574 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
1575
1576         PR target/35083
1577         * optabs.c (expand_float): Do not check for decimal modes when
1578         expanding unsigned integer through signed conversion.
1579
1580 2008-02-06  Nick Clifton  <nickc@redhat.com>
1581
1582         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
1583         inside the clobber with a match_operand and duplicated operand
1584         number in the constraint.
1585         (ineqbranchsi): Delete redundant comment.
1586
1587 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1588
1589         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
1590         builtin_define ("__USE_INIT_FINI__").
1591         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
1592         -msx multilibs.
1593         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
1594
1595 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1596
1597         PR documentation/30330
1598         * doc/invoke.texi (C++ Dialect Options)
1599         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1600         For each warning option -Wfoo that allows -Wno-foo, ensure both
1601         -Wfoo and -Wno-foo are listed in the option index.  Fix index
1602         entry of -Wswitch-default, index -Wnormalized= including the
1603         `=', and -Wlarger-than-@var{len} including @var{len}.
1604
1605 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1606
1607         * config/i386/i386.md (floatunssisf2): Use
1608         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
1609         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
1610         Macroize expander using MODEF mode iterator.
1611
1612 2008-02-05  Diego Novillo  <dnovillo@google.com>
1613
1614         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
1615
1616         PR 33738
1617         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
1618
1619 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1620
1621         PR other/35070
1622         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
1623
1624 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
1625
1626         PR target/35084
1627         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
1628         to indicate if a message should be generated.
1629         (init_cumulative_args): Updated.
1630         (function_value_32): Likewise.
1631
1632 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
1633
1634         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
1635
1636 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1637
1638         PR target/35083
1639         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
1640         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
1641
1642 2008-02-04  Diego Novillo  <dnovillo@google.com>
1643
1644         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
1645
1646         PR 33738
1647         * tree-vrp.c (vrp_evaluate_conditional): With
1648         -Wtype-limits, emit a warning when comparing against a
1649         constant outside the natural range of OP0's type.
1650
1651 2008-02-04  Richard Guenther  <rguenther@suse.de>
1652
1653         PR middle-end/33631
1654         * expr.c (count_type_elements): Give for unions instead of
1655         guessing.
1656
1657 2008-02-04  Richard Guenther  <rguenther@suse.de>
1658
1659         PR middle-end/35043
1660         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
1661         to TYPE_DOMAINs base type instead of using bitsizetype here.
1662
1663 2008-02-03  Jason Merrill  <jason@redhat.com>
1664
1665         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
1666
1667 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1668
1669         PR other/29972
1670         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
1671         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
1672         (RS/6000 and PowerPC Options): Fix typos and markup.
1673         * doc/passes.texi (Tree-SSA passes): Likewise.
1674
1675 2008-02-02  Michael Matz  <matz@suse.de>
1676
1677         PR target/35045
1678         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
1679         from record_last_reg_set_info.
1680         (record_last_reg_set_info): Take an RTX argument, iterate over all
1681         constituent hardregs.
1682         (record_last_set_info, record_opr_changes): Change calls to
1683         new signature or to record_last_reg_set_info_regno.
1684
1685 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1686
1687         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
1688
1689 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
1690
1691         PR rtl-optimization/34773
1692         * reg-notes.def (EQUAL): Mention significance of combination of
1693         REG_EQUAL and REG_RETVAL.
1694         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
1695         insn that has a REG_RETVAL.
1696
1697 2008-02-01  Roger Sayle  <roger@eyesopen.com>
1698
1699         PR bootstrap/33781
1700         * configure.ac (--enable-fixed-point): Disable unless explicitly
1701         requested on IRIX.
1702         * configure: Regenerate.
1703
1704 2008-02-01  Richard Guenther  <rguenther@suse.de>
1705
1706         PR other/35042
1707         * invoke.texi (-finline-limit): Remove no longer true parts
1708         of the documentation.  Note that there is no default value.
1709
1710 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
1711             Mark Mitchell  <mark@codesourcery.com>
1712             Ben Elliston  <bje@au.ibm.com>
1713
1714         PR c/29326
1715         * doc/extend.texi (Other Builtins): Document.
1716
1717 2008-01-31  Tom Browder <tom.browder@gmail.com>
1718
1719         * doc/c-tree.texi (Types): Fix grammar.
1720         (Expression trees): Ditto.
1721         * doc/passes.texi (Tree-SSA passes): Ditto.
1722         
1723         * doc/configterms.texi (Configure Terms): Fix typo.
1724         * doc/cpp.texi (Common Predefined Macros): Ditto.
1725         * doc/md.texi (Machine Constraints): Ditto.
1726         
1727         * doc/makefile.texi (Makefile): Add comma.
1728
1729 2008-01-31  Tom Browder  <tom.browder@gmail.com>
1730             Gerald Pfeifer  <gerald@pfeifer.com>
1731         
1732         * doc/sourcebuild.texi (Front End): Remove references to CVS
1733         and CVSROOT/modules.
1734         (Texinfo Manuals): Replace reference to CVS by one to SVN.
1735         (Back End): Remove reference to CVS.
1736
1737 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1738
1739         PR target/34900
1740         * config/mips/mips.c (gen_load_const_gp): New function, taking a
1741         comment from...
1742         (mips16_gp_pseudo_reg): ...here.
1743         * config/mips/mips.md (load_const_gp): Replace with...
1744         (load_const_gp_<mode>): ...this :P-based insn.
1745
1746 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1747
1748         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
1749         options. Minor fixes.
1750         (-std): Move reference to standards closer to where language
1751         standards are first mentioned.
1752         
1753 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1754
1755         PR rtl-optimization/34995
1756         * reload.c (alternative_allows_const_pool_ref): Take an rtx
1757         parameter and return a bool.  If the rtx parameter is nonnull,
1758         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
1759         (find_reloads): Update call accordingly.  Pass the new operand
1760         if it needed no address reloads, otherwise pass null.
1761
1762 2008-01-30  Richard Henderson  <rth@redhat.com>
1763
1764         PR c/34993
1765         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
1766         for unbounded arrays.
1767
1768 2008-01-30  Silvius Rus  <rus@google.com>
1769
1770         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
1771
1772 2008-01-30  Jan Hubicka  <jh@suse.cz>
1773
1774         PR target/34982
1775         * i386.c (init_cumulative_args): Use real function declaration when
1776         calling locally.
1777
1778 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1779
1780         PR rtl-optimization/34998
1781         * global.c (build_insn_chain): Treat non-subreg_lowpart
1782         SUBREGs of pseudos as clobbering all the words covered by the
1783         SUBREG, not just all the bytes.
1784         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
1785         original df_ref rather than an extract parameter.
1786         (global_conflicts): Update call accordingly.
1787
1788 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1789
1790         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
1791         the overflow check to make it easier to read.
1792         (__fixtfdi): Change the type of the ll member in union
1793         long_double to UDItype_x.
1794
1795 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
1796
1797         PR middle-end/34969
1798         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
1799         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
1800         * tree-inline.c (fold_marked_statements): Call
1801         cgraph_update_edges_for_call_stmt if folding a call statement.
1802         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
1803         debug_generic_stmt calls, reset it back afterwards.
1804
1805         PR c/35017
1806         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
1807         static decls.
1808         * c-typeck.c (build_external_ref): Don't pedwarn about
1809         static vars in current function's scope.
1810
1811 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
1812
1813         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
1814
1815 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
1816
1817         PR c/35002
1818         * ipa-struct-reorg.c: Fix spelling.
1819         * params.def: Ditto.
1820
1821 2008-01-29  Richard Guenther  <rguenther@suse.de>
1822
1823         PR middle-end/35006
1824         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
1825         field.
1826         * tree-inline.c (remap_type): Increment remapping_type_depth
1827         around remapping types.
1828         (copy_body_r): Only add referenced variables if they are referenced
1829         from code, not types.
1830
1831 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
1832
1833         PR c++/34055
1834         PR c++/34103
1835         PR c++/34219
1836         PR c++/34606
1837         PR c++/34753
1838         PR c++/34754
1839         PR c++/34755
1840         PR c++/34919
1841         PR c++/34961
1842         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
1843         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
1844
1845 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
1846
1847         PR target/34412
1848         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
1849         pointer for tiny stack.
1850
1851 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1852
1853         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
1854
1855 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1856
1857         * config/vx-common.h: Fix typo in comment.
1858
1859 2008-01-28  Ian Lance Taylor  <iant@google.com>
1860
1861         PR c++/34862
1862         PR c++/33407
1863         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1864         coalesce pointers if they have different DECL_NO_TBAA_P values.
1865         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
1866         between variables with different DECL_NO_TBAA_P values.
1867
1868 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
1869
1870         PR 31535
1871         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
1872         are not legitimate small data references on SPE targets.
1873
1874 2008-01-28  David Daney  <ddaney@avtrex.com>
1875
1876         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
1877
1878 2008-01-28  David Daney  <ddaney@avtrex.com>
1879
1880         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
1881
1882 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
1883
1884         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
1885         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
1886         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
1887         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
1888         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
1889         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
1890         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
1891         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
1892
1893 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1894
1895         * basic-block.h (condjump_equiv_p): Fix comment.
1896
1897 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1898
1899         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
1900         print_generic_stmt_indented): Fix comment.
1901
1902 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1903
1904         * configure.ac (__stack_chk_fail): Add detecion for availability
1905         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
1906         * configure: Regenerate.
1907
1908 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
1909
1910         PR middle-end/34688
1911         * final.c (output_addr_const): Handle TRUNCATE.
1912
1913 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
1914
1915         PR target/34711
1916         * tree-ssa-loop-ivopts.c (comp_cost): New type.
1917         (zero_cost, infinite_cost): New constants.
1918         (struct cost_pair): Change type of cost to comp_cost.
1919         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
1920         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
1921         New functions.
1922         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
1923         split_address_cost, ptr_difference_cost, difference_cost,
1924         get_computation_cost_at, get_computation_cost,
1925         determine_use_iv_cost_generic, determine_use_iv_cost_address,
1926         determine_use_iv_cost_condition, determine_use_iv_costs,
1927         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
1928         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
1929         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
1930         Change type of cost to comp_cost.
1931         (determine_iv_cost): Increase cost of non-original ivs, instead
1932         of decreasing the cost of original ones.
1933         (get_address_cost): Indicate the complexity of the addressing mode 
1934         in comp_cost.
1935         (try_add_cand_for): Prefer using ivs not specific to some object.
1936         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
1937
1938 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
1939             Janis Johnson  <janis187@us.ibm.com>
1940
1941         PR target/34814
1942         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
1943         (TARGET_INSTANTIATE_DECLS): Likewise.
1944         * target.h (expand_to_rtl_hook): New target hook.
1945         (instantiate_decls): Likewise.
1946         * function.c (instantiate_decl): Make non-static.  Rename to...
1947         (instantiate_decl_rtl): ... this.
1948         (instantiate_expr): Use instantiate_decl_rtl.
1949         (instantiate_decls_1): Likewise.
1950         (instantiate_decls): Likewise.
1951         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
1952         * function.h (instantiate_decl_rtl): Add prototype.
1953         * cfgexpand.c (target.h): New include.
1954         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
1955         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
1956         (TARGET_INSTANTIATE_DECLS): Likewise.
1957         (TARGET_INITIALIZER): New target hooks added.
1958         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
1959         New prototype.
1960         * config/rs6000/rs6000.c (tree-flow.h): New include.
1961         (machine_function): Add sdmode_stack_slot field.
1962         (rs6000_alloc_sdmode_stack_slot): New function.
1963         (rs6000_instantiate_decls): Likewise.
1964         (rs6000_secondary_memory_needed_rtx): Likewise.
1965         (rs6000_check_sdmode): Likewise.
1966         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
1967         (TARGET_INSTANTIATE_DECLS): Likewise.
1968         (rs6000_hard_regno_mode_ok): Allow SDmode.
1969         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
1970         (rs6000_emit_move): Handle SDmode.
1971         (function_arg_advance): Likewise.
1972         (function_arg): Likewise.
1973         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
1974         SDmode var args for 32-bit compiles.
1975         (rs6000_secondary_reload_class): Handle SDmode.
1976         (rs6000_output_function_epilogue): Likewise.
1977         (rs6000_function_value): Simplify if statement.
1978         (rs6000_libcall_value): Likewise.
1979         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
1980         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
1981         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
1982         (movsd_hardfloat): New define_insn.
1983         (movsd_softfloat): Likewise.
1984         (movsd_store): Likewise.
1985         (movsd_load): Likewise.
1986         (extendsddd2): Likewise.
1987         (extendsdtd2): Likewise.
1988         (truncddsd2): Likewise.
1989         (movdd_hardfloat64): Fixup comment.
1990         (UNSPEC_MOVSD_LOAD): New constant.
1991         (UNSPEC_MOVSD_STORE): Likewise.
1992
1993 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
1994
1995         PR c++/34965
1996         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
1997         TRUTH_XOR_EXPR.
1998         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
1999         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2000         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2001         and TRUTH_XOR_EXPR.
2002
2003 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2004
2005         PR target/34794
2006         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2007         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2008         __LONGDOUBLE128 too.
2009         * config/rs6000/aix61.h: New file.
2010
2011 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2012
2013         PR rtl-optimization/34959
2014         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2015         popcount and parity rtxes the same mode as their operand.
2016         Truncate or extend the result to the return value's mode
2017         if necessary.
2018
2019 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2020
2021         PR target/34981
2022         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2023         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2024         to GOT_VERSION_REGNUM.
2025         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2026         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2027         * config/mips/mips.c (mips_emit_call_insn): New function.
2028         (mips_call_tls_get_addr): Call mips_expand_call directly.
2029         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2030         emit_call_insn.
2031         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2032         (mips_expand_call): Update the call to mips16_build_call_stub
2033         accordingly and a remove redundant condition.  Assert that MIPS16
2034         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2035         the call insn.
2036         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2037         TARGET_USE_GOT.
2038         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2039         (mips_avoid_hazard): Remove hazard_set handling.
2040         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2041         (UNSPEC_RESTORE_GP): ...this.
2042         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2043         (FAKE_CALL_REGNO): Rename to...
2044         (GOT_VERSION_REGNUM): ...this.
2045         (type): Add "ghost" value.  Add an associated insn reservation.
2046         (hazard_set): Remove.
2047         (exception_receiver): Rename to...
2048         (restore_gp): ...this and update the unspec identifier accordingly.
2049         (exception_receiver, nonlocal_got_receiver): New expanders.
2050         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2051         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2052         (set_got_version, update_got_version): New patterns.
2053
2054 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2055
2056         PR target/34970
2057         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2058
2059 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2060
2061         PR other/31955
2062         * doc/install.texi2html: Generate gcc-vers.texi.
2063
2064 2008-01-25  DJ Delorie  <dj@redhat.com>
2065
2066         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2067
2068 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2069
2070         * config/c4x: Remove directory.
2071         * config.gcc (crx-*, mt-*): Mark obsolete.
2072         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2073         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2074         sh-*-rtemscoff*): Remove cases.
2075         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2076         * real.c (encode_c4x_single, decode_c4x_single,
2077         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2078         c4x_extended_format): Remove.
2079         * real.h (c4x_single_format, c4x_extended_format): Remove.
2080         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2081         on C4x.
2082         (Pragmas): Remove comment about c4x pragmas.
2083         * doc/install.texi (c4x): Remove target-specific instructions.
2084         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2085         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2086         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2087         refer to C4x source files as examples.
2088         (C4X_FLOAT_FORMAT): Remove documentation.
2089
2090 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2091
2092         * config/bfin/bfin.c (override_options): Reorder tests so that
2093         flag_pic gets enabled for -msep-data.
2094
2095 2008-01-25  Richard Guenther  <rguenther@suse.de>
2096
2097         PR middle-end/32244
2098         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2099         to its bitfield precision if required.
2100
2101 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2102
2103         PR middle-end/33880
2104         * tree-nested.c (walk_omp_for): New function.
2105         (convert_nonlocal_reference, convert_local_reference): Call
2106         walk_omp_for on OMP_FOR.
2107         (convert_call_expr): Call walk_body on OMP_FOR's
2108         OMP_FOR_PRE_INIT_BODY.
2109
2110 2008-01-25  Richard Guenther  <rguenther@suse.de>
2111
2112         PR tree-optimization/34966
2113         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2114         default defs and PHI_NODEs we have to insert after the
2115         defining statement.
2116
2117 2008-01-24  Nick Clifton  <nickc@redhat.com>
2118
2119         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2120         Provide a default definition.
2121         (LIBGCC2_UNITS_PER_WORD): Likewise.
2122
2123         * config/stormy16/stormy16.c: Include df.h for the prototype
2124         for df_regs_ever_live_p.
2125         (xstormy16_expand_builtin_va_start): Convert the stack offset
2126         into a component_ref and then use POINTER_PLUS_EXPR to add it
2127         to the incoming_virtual_args_rtx.
2128         (xstormy16_gimplify_va_arg_expr): Rename to
2129         xstormy16_gimplify_va_arg_expr.
2130         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2131         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2132         xstormy16_gimplify_va_arg_expr.
2133         Fix up some formatting issues.
2134
2135         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2136         Move to predicates.md.
2137         (xs_hi_general_operand): Likewise.
2138         (xs_hi_nonmemory_operand): Likewise.
2139         * config/stormy16/predicates.md:
2140         (xstormy16_carry_plus_operand): New predicate.
2141         (xs_hi_general_operand): New predicate.
2142         (xs_hi_nonmemory_operand): New predicate.
2143         * config/stormy16/stormy16-protos.h:
2144         (xstormy16_carry_plus_operand): Delete prototype.
2145         (xs_hi_general_operand): Likewise.
2146         (xs_hi_nonmemory_operand): Likewise.
2147
2148         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2149         modifiers as they are no longer needed and they can trigger
2150         reload spill failures.
2151
2152         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2153         with a match_operand in order to help reload.
2154
2155         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2156         constraint with 'e' for the 8th alternative as this version of
2157         the mov.w instruction only accepts the lower 8 registers.
2158
2159 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2160
2161         PR target/34856
2162         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2163         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2164         vector elements.
2165
2166 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2167
2168         PR middle-end/33333
2169         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2170
2171 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2172
2173         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2174         New functions.
2175         (remove_structure): Update allocations list before removing structure.
2176         
2177 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2178
2179         * ipa-struct-reorg.c (is_safe_cond_expr, 
2180         create_new_stmts_for_cond_expr): Use integer_zerop function,
2181         that recognize not only zero-pointer, but zero-integer too.
2182
2183 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2184
2185         PR other/22232
2186         * fixproto: Escape "." in sed expression that strips leading "./".
2187
2188 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2189
2190         PR driver/34904
2191         * gcc.c (SWITCH_OK): Removed.
2192         (SWITCH_LIVE): Changed to bit.
2193         (SWITCH_FALSE): Likewise.
2194         (SWITCH_IGNORE): Likewise.
2195         (switchstr): Change live_cond to unsigned int.
2196         (process_command): Replace SWITCH_OK with 0.
2197         (do_self_spec): Likewise.
2198         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2199         (give_switch): Likewise.
2200         (used_arg): Likewise.
2201         (do_spec_1): Set the SWITCH_IGNORE bit.
2202         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2203         bits.  Set the SWITCH_LIVE bit.
2204
2205 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2206
2207         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2208
2209 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2210
2211         PR tree-optimization/34472
2212         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2213         parameter to a "bool *" and set *DATA to false if there is
2214         an unsafe access.  Do not delete the structure here.
2215         (check_cond_exprs): Delete it here instead.
2216         (check_cond_exprs, exclude_cold_structs): Do not increase
2217         I when removing a structure.
2218
2219 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2220
2221         PR target/34856
2222         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2223         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2224
2225 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2226
2227         PR middle-end/34934
2228         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2229         a fixed vector for stack.
2230
2231 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2232
2233         PR c++/25701
2234         * doc/gcc.texi (Software development): Add a direntry for g++.
2235         
2236 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2237
2238         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2239         stale and straggling -fforce-addr comments above.
2240
2241         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2242         define.
2243         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2244         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2245
2246 2008-01-23  Michael Matz  <matz@suse.de>
2247
2248         PR debug/34895
2249         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2250         gen_type_die.
2251
2252 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2253
2254         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2255         malloc result type.
2256
2257 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2258
2259         * config/avr/avr.c (avr_current_arch): New variable.
2260         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2261         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2262         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2263         (avr_override_options): Init 'avr_current_arch'. 
2264         (base_arch_s): Move from here...
2265         * config/avr/avr.h (base_arch_s): ... here. Add new members 
2266         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
2267         'mega' to 'have_jmp_call'.
2268         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
2269         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2270         macros.
2271         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
2272         architectures.
2273         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
2274         MULTILIB_MATCHES): (Ditto.).
2275
2276 2008-01-23  Richard Guenther  <rguenther@suse.de>
2277
2278         PR middle-end/31529
2279         * cgraphunit.c (cgraph_reset_node): Always mark the node
2280         not reachable if it is not queued already.
2281
2282 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2283
2284         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2285         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2286         (cputype_selected): New static variable.
2287         (bfin_handle_option): Set it if -mcpu is used.
2288         (override_option): Select default set of workarounds if no cpu type
2289         selected on the command line.
2290         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2291
2292         From  Michael Frysinger  <michael.frysinger@analog.com>
2293         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2294         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2295
2296         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2297         for bf547, bf523, bf524, and bf526.
2298         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2299         bf526.
2300         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2301         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2302         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2303         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2304         * doc/invoke.texi (Blackfin Options): Document that
2305         -mcpu now accept bf547, bf523, bf524, and bf526.
2306
2307 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2308
2309         PR rtl-optimization/34628
2310         * combine.c (try_combine): Stop and undo after the first combination
2311         if an autoincrement side-effect on the first insn has effectively
2312         been lost.
2313
2314 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2315
2316         PR target/34529
2317         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2318         Offset addresses are not valid for Altivec or paired float modes.
2319
2320 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2321
2322         PR c++/34607
2323         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2324         if DECL_INITIAL (decl) is error_mark_node.
2325
2326         PR c++/34914
2327         * c-common.c (handle_vector_size_attribute): Only allow
2328         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2329         the same way as pointer, array etc. types.
2330         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2331
2332         PR c++/34917
2333         * tree.c (build_type_attribute_qual_variant): Call
2334         build_qualified_type if attributes are equal, but quals are not.
2335
2336 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2337
2338         PR 32102
2339         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2340         * flags.h (warn_strict_aliasing): Remove.
2341         (warn_strict_overflow): Remove.
2342         * opts.c (warn_strict_aliasing): Remove.
2343         (warn_strict_overflow): Remove.
2344         * c-opts.c (c_common_handle_option): -Wall only sets
2345         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2346         (c_common_post_options): Give default values to -Wstrict-aliasing
2347         and -Wstrict-overflow if they are uninitialized.
2348         * common.opt (Wstrict-aliasing): Specify Var and Init.
2349         (Wstrict-overflow): Likewise.
2350
2351 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2352
2353         PR rtl-optimization/26854
2354         PR rtl-optimization/34400
2355         PR rtl-optimization/34884
2356         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2357         DF_RD->gen.
2358         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2359         (df_rd_bb_info.expanded_lr_out): Deleted
2360         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2361         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2362         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2363         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2364         Removed code to allocate, initialize or free expanded_lr_out.
2365         (df_rd_bb_local_compute_process_def): Restructured to make more
2366         understandable.
2367         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2368         sets if the sets are being trimmed.
2369
2370 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2371
2372         PR bootstrap/32287
2373         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2374         (as_vers): Likewise.
2375         * configure: Regenerated.
2376
2377 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2378
2379         PR middle-end/33092
2380         * tree-pass.h (pass_build_alias): New pass.
2381         * tree-ssa-alias.c (gate_build_alias): New.
2382         (pass_build_alias): New.
2383         * passes.c (init_optimization_passes): Add pass_build_alias after
2384         pass_create_structure_vars.
2385
2386 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2387
2388         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2389         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2390         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2391         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2392         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2393         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2394         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2395         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2396         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2397         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2398         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2399         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2400         * config/s390/s390.md (FP_ALL): New mode iterator.
2401         (_d): New mode attribute.
2402         ("*signbit<mode>2>"): Changed mode of first operand.
2403         ("isinf<mode>2"): Changed mode of first operand.
2404         ("*TDC_insn"): Adaptation for DFP modes.
2405
2406 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2407
2408         * tree.c (check_qualified_type): Improve function description.
2409
2410 2008-01-21  Jason Merrill  <jason@redhat.com>
2411
2412         PR c++/34196
2413         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2414         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2415         if it is set.
2416
2417 2008-01-21  DJ Delorie  <dj@redhat.com>
2418
2419         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2420         return zero.
2421
2422 2008-01-21  Richard Guenther  <rguenther@suse.de>
2423
2424         PR middle-end/34856
2425         * tree-cfg.c (verify_expr): Allow all invariant expressions
2426         instead of just constant class ones as reference argument.
2427         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2428         like any other constant.
2429         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2430
2431 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2432
2433         * regmove.c (fixup_match_1): Update call crossed frequencies.
2434
2435 2008-01-21  Richard Guenther  <rguenther@suse.de>
2436
2437         PR c/34885
2438         * tree-inline.c (setup_one_parameter): Deal with mismatched
2439         types using a VIEW_CONVERT_EXPR.
2440
2441 2008-01-21  Alon Dayan  <alond@il.ibm.com>
2442             Olga Golovanevsky  <olga@il.ibm.com>
2443         
2444         PR tree-optimization/34701
2445         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
2446         when the structure size is not a power of 2.
2447
2448 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
2449
2450         * doc/install.texi: Add doc for --enable-checking=df.
2451         
2452 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2453
2454         PR rtl-optimization/34808
2455         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
2456
2457 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2458
2459         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
2460         input.
2461
2462 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2463
2464         PR rtl-optimization/26854
2465         PR rtl-optimization/34400
2466         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
2467         DF_RD->gen.
2468         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
2469         (df_rd_bb_info.expanded_lr_out): New.
2470         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
2471         * loop_iv.c (iv_analysis_loop_init): Ditto.
2472         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2473         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2474         Added code to allocate, initialize or free expanded_lr_out.
2475         (df_rd_bb_local_compute_process_def): Restructured to make
2476         more understandable.
2477         (df_rd_confluence_n): Add code to do nothing with fake edges and
2478         code to no apply invalidate_by_call sets if the sets are being trimmed.
2479         (df_lr_local_finalize): Renamed to df_lr_finalize.
2480         (df_live_local_finalize): Renamed to df_live_finalize.
2481
2482 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2483
2484         PR target/34831
2485         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
2486         deciding whether to use reciprocal instructions.
2487
2488 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
2489
2490         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
2491         dwarf2out_note_section_used if cold_text_section is NULL.
2492
2493 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
2494
2495         PR gcov-profile/34610
2496         * tree-cfg.c (make_edges): Mark both outgoing edges from
2497         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
2498         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
2499         from OMP_FOR and OMP_CONTINUE outgoing edges.
2500
2501         * tree-profile.c (tree_profiling): Return early if
2502         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
2503         at the end.
2504         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
2505         from cfun to child_cfun.
2506         * function.h (struct function): Add after_tree_profile bit.
2507
2508 2008-01-19 Anatoly Sokolov <aesok@post.ru>
2509
2510         * config/avr/avr.S (_exit): Disable interrupt.
2511
2512 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
2513             Steven Bosscher  <stevenb.gcc@gmail.com>
2514
2515         PR rtl-optimization/26854
2516         PR rtl-optimization/34400
2517         * df-problems.c (df_live_scratch): New scratch bitmap.
2518         (df_live_alloc): Allocate df_live_scratch when doing df_live.
2519         (df_live_reset): Clear the proper bitmaps.
2520         (df_live_bb_local_compute): Only process the artificial defs once
2521         since the order is not important.
2522         (df_live_init): Init the df_live sets only with the variables
2523         found live by df_lr.
2524         (df_live_transfer_function): Use the df_lr sets to prune the
2525         df_live sets as they are being computed.  
2526         (df_live_free): Free df_live_scratch.
2527
2528 2008-01-18  Ian Lance Taylor  <iant@google.com>
2529
2530         * common.opt: Add fmerge-debug-strings.
2531         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
2532         flag_merge_debug_strings rather than flag_merge_constants.
2533         * doc/invoke.texi (Option Summary): Mention
2534         -fmerge-debug-strings.
2535         (Debugging Options): Document -fmerge-debug-strings.
2536
2537 2008-01-18  Ian Lance Taylor  <iant@google.com>
2538
2539         PR c++/33407
2540         * tree.h (DECL_IS_OPERATOR_NEW): Define.
2541         (struct tree_function_decl): Add new field operator_new_flag.
2542         * tree-inline.c (expand_call_inline): When inlining a call to
2543         operator new, force the return value to go into a variable, and
2544         set DECL_NO_TBAA_P on that variable.
2545         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
2546
2547 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
2548
2549         PR debug/34484
2550         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
2551         DWARF2_DEBUGGING_INFO.
2552         (dwarf2out_note_section_used): Ditto.  Add prototype.
2553         (have_multiple_function_sections, text_section_used,
2554         cold_text_section_used, *cold_text_sections): Move declarations
2555         before their uses.
2556
2557 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
2558
2559         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
2560         field and add signal_ra.
2561         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
2562         assignments to frame state pc.  Move end of stack check after
2563         MD_FALLBACK_FRAME_STATE_FOR.
2564         (uw_update_context_1): Use frame state signal_regs if set, instead
2565         of checking signal_frame flag.
2566         (uw_update_context): Use frame state signal_ra if set.
2567         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
2568         * config/xtensa/linux-unwind.h: New file.
2569
2570 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
2571
2572         * modulo-sched.c (get_sched_window): Fix comment typo.
2573
2574 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
2575
2576         PR tree-optimization/34648
2577         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
2578
2579 2008-01-17  Anatoly Sokolov <aesok@post.ru>
2580
2581         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
2582         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
2583
2584 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
2585
2586         PR rtl-optimization/34400
2587         * df-core.c (df_worklist_dataflow_overeager,
2588         df_worklist_dataflow_doublequeue): New functions.
2589         (df_worklist_dataflow): Two different worklist solvers.
2590         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
2591         New param.
2592
2593 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2594
2595         PR testsuite/34821
2596         * doc/invoke.texi: Document the dependence on pthread for fopenmp
2597         and ftree-parallelize-loops.
2598
2599 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
2600
2601         PR rtl-optimization/34826
2602         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
2603
2604 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2605
2606         * global.c (find_reg): Mark the eh regs as used if necessary.
2607         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
2608         * ra.h (struct allocno): no_eh_reg field added.  Changed
2609         no_stack_reg type to bitfield.
2610
2611 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
2612
2613         * tree.c (substitute_in_expr): Add missing 'break'.
2614
2615 2008-01-17  Richard Guenther  <rguenther@suse.de>
2616
2617         PR tree-optimization/34825
2618         * tree-ssa-math-opts.c (is_division_by): Do not recognize
2619         x / x as division to handle.
2620
2621 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2622
2623         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
2624         "-pthread" is specified.
2625         * pa-hpux11.h (LIB_SPEC): Likewise.
2626
2627 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
2628             Peter Bergner  <bergner@vnet.ibm.com>
2629
2630         PR rtl-optimization/33796
2631         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
2632
2633 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2634
2635         PR libgfortran/34699
2636         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
2637         static links.
2638         * pa-hpux10.h (LINK_SPEC): Likewise.
2639         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
2640
2641 2008-01-16  Richard Guenther  <rguenther@suse.de>
2642
2643         PR middle-end/32628
2644         * fold-const.c (fold_convert_const_int_from_int): Do not
2645         set overflow if that occured only because of a sign extension
2646         change when converting from/to a sizetype with the same
2647         precision and signedness.
2648
2649 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2650
2651         PR debug/34249
2652         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
2653         location address to the correct place.  Update copyright year.
2654
2655 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2656
2657         * lambda-code.c (lambda_transform_legal_p): Handle the case of
2658         no dependences in the dependence_relations vector.
2659
2660 2008-01-16  Jan Hubicka  <jh@suse.cz>
2661
2662         PR rtl-optimization/31396
2663         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
2664         * cfg.c (dump_reg_info): Print it.
2665         * regs.h (struct reg_info_t): add freq_calls_crossed.
2666         (REG_FREQ_CALLS_CROSSED): New macro.
2667         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
2668         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
2669         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2670         regmove_optimize): Update call crossed frequencies.
2671         * local-alloc.c (struct qty): Add freq_calls_crossed.
2672         (alloc_qty): Copute freq_calls_crossed.
2673         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
2674         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
2675         * ra.h (struct allocno): Add freq_calls_crossed.
2676
2677 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2678
2679         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
2680         libgomp when compiling with ftree-parallelize-loops.
2681         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
2682
2683 2008-01-16  Richard Guenther  <rguenther@suse.de>
2684
2685         PR tree-optimization/34769
2686         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
2687         * tree.c (int_cst_value): Instead make this function more
2688         permissive in what it accepts as valid input.  Document this
2689         function always sign-extends the value.
2690
2691 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
2692             Richard Guenther  <rguenther@suse.de>
2693
2694         PR c/34668
2695         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
2696         (gimple_fold_indirect_ref_rhs): ... this.
2697         (gimple_fold_indirect_ref): New function with foldings
2698         that preserve lvalueness.
2699         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
2700         * tree-flow.h (gimple_fold_indirect_ref): Declare.
2701         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
2702         to fold an INDIRECT_REF, fall back to the old use of
2703         fold_indirect_ref_1.
2704
2705 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2706
2707         * tree-data-ref.c (subscript_dependence_tester_1): Call 
2708         free_conflict_function.
2709         (compute_self_dependence): Same.
2710
2711 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2712
2713         PR debug/34249
2714         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
2715         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
2716         function global.
2717         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
2718         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
2719         for DWARF2_UNWIND_INFO targets.
2720
2721 2008-01-16  Richard Guenther  <rguenther@suse.de>
2722
2723         PR c/34768
2724         * c-typeck.c (common_pointer_type): Do not merge inconsistent
2725         type qualifiers for function types.
2726
2727 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
2728
2729         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
2730         loop_iterator li from previous commit.
2731
2732 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2733
2734         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
2735
2736 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2737
2738         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
2739         (parallelize_loops): Don't parallelize irreducible components.
2740
2741 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2742
2743         PR c++/24924
2744         * c-opts (c_common_post_options): Do not enable CPP
2745         flag_pedantic_errors by default.
2746         
2747 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
2748
2749         PR rtl-optimization/31944
2750         * cse.c (remove_pseudo_from_table): New function.
2751         (merge_equiv_classes): Use above function to remove pseudo-registers.
2752         (invalidate): Likewise.
2753
2754 2008-01-13  Richard Guenther  <rguenther@suse.de>
2755
2756         PR middle-end/34601
2757         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
2758         instead of TYPE_MODE to deal with calls from expand_one_error_var.
2759
2760 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
2761
2762         * gcse.c (cprop_jump): Call validate_unshare_change instead of
2763         validate_change to unshare the source of the PC set.
2764
2765 2008-01-12  Jan Hubicka  <jh@suse.cz>
2766
2767         PR middle-end/32135
2768         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
2769         references above array bounds.  This might trigger bounds checks for
2770         pointers to arrays.
2771
2772 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2773
2774         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
2775         new_replaceable_dependencies.
2776
2777 2008-01-12  Doug Kwan  <dougkwan@google.com>
2778
2779         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
2780         instead of OPT_Wreturn_type in warning due to ignored return type
2781         qualifiers.
2782         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
2783         options included in -Wextra.
2784         * c.opt: New option -Wignored_qualifiers.
2785         * doc/invoke.texi (Warning Options, -Wextra): Add new option
2786         -Wignore_qualifiers.
2787         (-Wignored-qualifiers): Document.
2788         (-Wreturn-type): Remove description of functionality now handled
2789         by -Wignored-qualifiers.
2790
2791 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
2792
2793         PR ada/33788
2794         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
2795         NOP_EXPR if it is between integral types with the same precision.
2796
2797 2008-01-12  Jan Hubicka  <jh@suse.cz>
2798
2799         PR other/28023
2800         * invoke.texi (max-inline-recursive-depth): Fix default value.
2801
2802 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
2803
2804         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
2805         correct type.
2806
2807 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
2808         
2809         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
2810         
2811 2008-01-11  James E. Wilson  <wilson@specifix.com>
2812
2813         PR target/26015
2814         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
2815
2816 2008-01-11  Anatoly Sokolov <aesok@post.ru>
2817
2818         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
2819         save/restore frame pointer register and don't use 'call-prologues' 
2820         optimization in function with "OS_task" attribute.
2821
2822 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2823
2824         PR middle-end/31309
2825         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
2826         when copying to memory.
2827
2828 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
2829
2830         PR rtl-optimization/30905
2831         * cfgcleanup.c: Include dce.h
2832         (crossjumps_occured): New global variable.
2833         (try_crossjump_bb): Exit loop after finding a fallthru edge.
2834         If something changed, set crossjumps_occured to true.
2835         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
2836         Don't add/remove fake edges to exit here...
2837         (cleanup_cfg): ...but do it here, when crossjumping.
2838         Run a fast DCE when successful crossjumps occured in the latest
2839         iteration of try_optimize_cfg.
2840
2841 2008-01-11  Richard Guenther  <rguenther@suse.de>
2842
2843         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
2844         (struct vn_unary_op_s): Likewise.
2845         (vn_reference_insert): Free old reference on hash collision.
2846
2847 2008-01-10  Raksit Ashok  <raksit@google.com>
2848
2849         PR rtl-optimization/27971
2850         * combine.c (find_split_point): Split PLUS expressions which are
2851         inside a MEM rtx, and whose first operand is complex.
2852
2853 2008-01-10  DJ Delorie  <dj@redhat.com>
2854
2855         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
2856         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
2857         (m32c_hard_regno_ok): Call the underlying function.
2858
2859 2008-01-10  Richard Guenther  <rguenther@suse.de>
2860
2861         PR middle-end/34683
2862         * tree-cfg.c (tree_merge_blocks): Do not go through the
2863         full-blown folding and stmt updating path if we just deal
2864         with virtual operands.
2865         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
2866         test for abnormal SSA_NAMEs.
2867
2868 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2869
2870         PR middle-end/34641
2871         * reload.c (push_reload): Add assertions.  All constants from
2872         reg_equiv_constant should have been used for replacing the respective
2873         pseudo earlier.
2874         (find_reloads_address): Invoke find_reloads_address_part for
2875         constant taken from the reg_equiv_constant array.
2876
2877 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
2878
2879         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
2880         field (valnum) the first in the struct.  Replace bools with
2881         unit bit fields.
2882
2883 2008-01-10  Richard Guenther  <rguenther@suse.de>
2884
2885         PR tree-optimization/34651
2886         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
2887         types and ordering for masking and converting.
2888
2889 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
2890
2891         PR tree-optimization/34017
2892         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
2893         also for PHI_NODE expressions.
2894
2895 2008-01-09  Jan Hubicka  <jh@suse.cz>
2896
2897         PR tree-optimization/34708
2898         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
2899         based on number of case labels.
2900         (init_inline_once): Remove switch_cost.
2901         * tree-inline.h (eni_weights_d): Remove switch_cost.
2902
2903 2008-01-09  Richard Guenther  <rguenther@suse.de>
2904         Andrew Pinski  <andrew_pinski@playstation.sony.com>
2905
2906         PR middle-end/30132
2907         * gimplify.c (gimplify_cond_expr): Do not create an addressable
2908         temporary if an rvalue is ok or an lvalue is not required.
2909
2910 2008-01-09  Richard Guenther  <rguenther@suse.de>
2911
2912         PR middle-end/34458
2913         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
2914         adjust return type.
2915
2916 2008-01-09  Richard Guenther  <rguenther@suse.de>
2917
2918         PR middle-end/34679
2919         * tree.c (host_integerp): Check for sizetype only if the
2920         type is an integer type.
2921
2922 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
2923
2924         PR debug/26364
2925         * opts.c (decode_options): Disable inlining of functions called
2926         once if not in unit-at-a-time mode.
2927
2928 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
2929
2930         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
2931
2932 2008-01-08  Richard Guenther  <rguenther@suse.de>
2933
2934         PR middle-end/31863
2935         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
2936         out early if the result will be unused.
2937
2938 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
2939
2940         PR target/34709
2941         Revert:
2942
2943         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
2944         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2945         for TARGET_RECIP.       
2946         
2947 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
2948         
2949         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
2950         for vectorization tuned.
2951         
2952 2008-01-08  Richard Guenther  <rguenther@suse.de>
2953
2954         PR tree-optimization/34683
2955         * tree-ssa-operands.c (operand_build_cmp): Export.
2956         * tree-ssa-operands.h (operand_build_cmp): Declare.
2957         * tree-vn.c (vuses_compare): Remove.
2958         (sort_vuses): Use operand_build_cmp.
2959         (sort_vuses_heap): Likewise.
2960         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
2961         to re-use old VEC if available.  Do not sort already sorted VUSEs.
2962         (vdefs_to_vec): Do not sort already sorted VDEFs.
2963
2964 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
2965
2966         PR middle-end/34694
2967         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
2968
2969 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
2970
2971         PR target/34702
2972         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
2973         limitations of reciprocal sequences on x86 targets.
2974
2975 2008-01-08  Richard Guenther  <rguenther@suse.de>
2976
2977         PR tree-optimization/34683
2978         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
2979
2980 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
2981
2982         PR target/34622
2983         * config/darwin.c (darwin_mergeable_string_section): Don't use
2984         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
2985
2986 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
2987
2988         PR target/34682
2989         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
2990         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
2991         predicates of op0 and op1 to register_operand.
2992         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
2993         expander using X87MODEF mode iterator.  Change predicates of
2994         op0 and op1 to register_operand.
2995         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
2996         corresponding patterns and macroize using MODEF macro.  Change
2997         predicates of op0 and op1 to register_operand and remove
2998         "m" constraint. Disparage "r" alternative with "!".
2999         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3000         macroize using X87MODEF macro.  Change predicates of op0 and op1
3001         to register_operand and remove "m" constraint.  Disparage "r"
3002         alternative with "!".
3003         (absneg splitter with memory operands): Remove.
3004         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3005         patterns and macroize using X87MODEF mode iterator.
3006         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3007         Change predicate of op1 to register_operand.
3008         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3009         for memory operands.
3010
3011 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3012
3013         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3014
3015 2008-01-07  Richard Guenther  <rguenther@suse.de>
3016
3017         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3018         fields.
3019
3020 2008-01-07  Richard Guenther  <rguenther@suse.de>
3021
3022         PR tree-optimization/34683
3023         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3024         VOPs of the needed size to save memory.  Use VEC_quick_push
3025         to save compile-time.
3026         (vdefs_to_vec): Likewise.
3027
3028 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3029
3030         * config/spu/spu.md (divdf3): Genetate inline code for double
3031         division.  The implementation doesn't handle INF or NAN, therefore it
3032         only applies when -ffinite-math-only is given.
3033
3034 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3035
3036         PR libstdc++/34680
3037         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3038         * doc/cpp.texi ([Common Predefined Macros]): Document.
3039
3040 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3041
3042         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3043         order to use commutative addition instead of subtraction.
3044
3045 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3046             Mircea Namolaru  <namolaru@il.ibm.com>
3047             Vladimir Yanovsky  <yanov@il.ibm.com>
3048             Revital Eres  <eres@il.ibm.com>
3049
3050         PR tree-optimization/34263
3051         * tree-outof-ssa.c (process_single_block_loop_latch,
3052         contains_tree_r): New functions.
3053         (analyze_edges_for_bb): Call process_single_block_loop_latch
3054         function to empty single-basic-block latch block if possible.
3055
3056 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3057
3058         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3059         for TARGET_RECIP.
3060         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3061
3062 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3063
3064         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3065
3066 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3067
3068         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3069
3070 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3071
3072         PR tree-optimization/34618
3073         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3074         flag from T.
3075
3076 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3077
3078         PR target/34673
3079         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3080         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3081         Update copyright year.
3082
3083         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3084         Update copyright year.
3085         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3086         using NR fixup.
3087
3088 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3089
3090         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3091         edge does not point to current bb before changing need_assert.
3092
3093 2008-01-04  Richard Guenther  <rguenther@suse.de>
3094
3095         PR middle-end/34029
3096         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3097         for verifying purposes if they are is_gimple_min_invariant.
3098
3099 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3100
3101         PR tree-optimization/34448
3102         PR tree-optimization/34465
3103         * gimplify.c (gimplify_init_constructor): Add new parameter
3104         notify_temp_creation.  Use it.
3105         (gimplify_modify_expr_rhs): Take volatiles into account when
3106         optimizing constructors.
3107         Do not optimize constructors if gimplify_init_constructor will dump to
3108         memory.
3109         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3110         * gcc.c-torture/compile/pr34448.c: New.
3111
3112 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3113
3114         PR gcov-profile/34609
3115         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3116         return_slot if result is TREE_ADDRESSABLE.
3117
3118 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3119
3120         * config/mips/mips.md (sqrt_condition): Tweak comment.
3121         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3122
3123 2008-01-03  Tom Tromey  <tromey@redhat.com>
3124
3125         PR c/34457
3126         * c-common.c (c_type_hash): Handle VLAs.
3127
3128 2008-01-03  Jan Hubicka  <jh@suse.cz>
3129
3130         PR tree-optimization/31081
3131         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3132         0 when inlining and not inlining to first basic block.
3133         (remap_decl): When var is initialized to 0, don't set default_def.
3134         (expand_call_inline): Set entry_bb.
3135         * tree-inline.h (copy_body_data): Add entry_bb.
3136
3137 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3138
3139         PR c++/34619
3140         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3141         before returning.
3142
3143         PR tree-optimization/29484
3144         * tree-inline.c (inline_forbidden_p_2): New function.
3145         (inline_forbidden_p): Disallow inlining if some static var
3146         has an address of a local LABEL_DECL in its initializer.
3147         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3148         vs. inlining.
3149
3150 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3151
3152         PR tree-optimization/34635
3153         * tree-data-ref.c (add_other_self_distances): Make sure that the
3154         evolution step is constant.
3155
3156 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3157
3158         PR middle-end/34608
3159         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3160
3161 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3162
3163         * tree-sra.c (scalarize_init): Insert the generate_element_init
3164         statements after the generate_element_zero statements.
3165
3166 2008-01-02  Richard Guenther  <rguenther@suse.de>
3167
3168         PR middle-end/34093
3169         PR middle-end/31976
3170         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3171         for very large number of operands instead of ICEing.
3172
3173 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3174
3175         PR target/34013
3176         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3177         while stack probing.
3178
3179 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3180
3181         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3182         in C++0x mode.
3183
3184 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3185
3186         PR libmudflap/26442
3187         * tree-mudflap.c (mx_register_decls): Guard warning by
3188         !DECL_ARTIFICIAL check.
3189
3190 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3191
3192         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3193         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3194         sse5_perm<mode>): Fix constraints.