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* rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2
3         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
4
5 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6
7         * tree-flow-inline.h (next_readonly_imm_use): Return
8         NULL_USE_OPERAND_P after the end.
9
10 2008-03-01  Richard Guenther  <rguenther@suse.de>
11
12         PR tree-optimization/35411
13         * tree-sra.c (sra_build_assignment): Split conversion to
14         final type to a separate statement if we are not assigning
15         to a register.
16
17 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
18
19         * fold-const.c (fold_convertible_p): Correct the logic to follow
20         that in fold_convert().
21
22 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
23
24         PR c++/35315
25         * tree-inline.c (build_duplicate_type): When we make a
26         duplicate type, make it unique in the canonical types system.
27
28 2008-02-29  Tom Tromey  <tromey@redhat.com>
29
30         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
31         input_file_stack_history, input_file_stack_restored): Remove.
32         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
33         * input.h (struct file_stack): Remove.
34         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
35         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
36         Likewise.
37         * diagnostic.h (struct diagnostic_context) <last_module>: Change
38         type.
39         (diagnostic_last_module_changed): Add 'map' argument.
40         (diagnostic_set_last_function): Likewise.
41         * diagnostic.c (undiagnostic_report_current_module): Iterate using
42         line map, not input_file_stack.
43         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
44
45 2008-02-29  Paul Brook  <paul@codesourcery.com>
46
47         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
48
49 2008-02-29  Paul Brook  <paul@codesourcery.com>
50
51         * config/arm/ieee754-df.S (muldf3): Use RET macros.
52
53 2008-02-29  Richard Guenther  <rguenther@suse.de>
54
55         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
56         vn_lookup_or_add.
57         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
58         value for comparing for a store match.
59         (simplify_unary_expression): Do nothing for SSA_NAMEs.
60         (try_to_simplify): Do not do a full-blown reference lookup.
61
62 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
63
64         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
65         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
66
67         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
68
69 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
70
71         * tree-loop-linear.c (try_interchange_loops): Compare memory access
72         strides against cache sizes.
73
74 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
75
76         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
77         constant to fpul.
78
79 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
80
81         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
82         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
83         is smaller than the original promoted value.
84         (simplify_subreg): If OP is a SUBREG, try to preserve its
85         SUBREG_PROMOTED_VAR_P information.
86
87 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
88
89         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
90         (VN_INFO_GET): Allocate new objects on the obstack.
91         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
92         for rpo_numbers_temp, for consistency.
93         (free_scc_vn): Free the obstack.
94
95 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
96
97         * doc/invoke.texi: Document -ftree-loop-distribution.
98         * tree-loop-distribution.c: New.
99         * tree-pass.h (pass_loop_distribution): New.
100         * graphds.h (struct graph): Add htab_t indices.
101         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
102         * tree-vectorizer.c (rename_variables_in_loop): Extern.
103         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
104         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
105         * tree-data-ref.c (debug_data_dependence_relations): New.
106         (dump_data_dependence_relation): Also print data references.
107         (free_data_ref): Extern.
108         (same_access_functions): Moved...
109         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
110         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
111         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
112         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
113         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
114         (stmts_from_loop): Skip LABEL_EXPR.
115         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del): New.
116         (build_rdg): Initialize rdg->indices htab.
117         (free_rdg, stores_from_loop, ref_base_address,
118         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
119         have_similar_memory_accesses_1, ref_base_address_1,
120         remove_similar_memory_refs): New.
121         * tree-data-ref.h: Depend on tree-chrec.h.
122         (debug_data_dependence_relations, free_data_ref): Declared.
123         (same_access_functions): ... here.
124         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level): New.
125         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
126         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
127         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
128         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
129         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
130         rdg_vertex_for_stmt): Declared.
131         (struct rdg_edge): Add level.
132         (RDGE_LEVEL): New.
133         (free_rdg, stores_from_loop, remove_similar_memory_refs,
134         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses): Declared.
135         (rdg_has_similar_memory_accesses): New.
136         * tree-vect-analyze.c: Remove unused static decls.
137         * lambda.h (dependence_level): New.
138         * common.opt (ftree-loop-distribution): New.
139         * tree-flow.h (mark_virtual_ops_in_bb, 
140         slpeel_tree_duplicate_loop_to_edge_cfg,
141         rename_variables_in_loop): Declared.
142         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
143         (OBJS-common): Add tree-loop-distribution.o.
144         (tree-loop-distribution.o): New rule.
145         * tree-cfg.c (mark_virtual_ops_in_bb): New.
146         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
147         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
148
149 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
150
151         PR target/33963
152         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
153         other than structures and unions.
154
155 2008-02-28  Richard Guenther  <rguenther@suse.de>
156
157         Revert:
158         2008-02-26  Richard Guenther  <rguenther@suse.de>
159
160         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
161         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
162         (lookup_decl_from_uid): Declare.
163         (remove_decl_from_map): Likewise.
164         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
165         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
166         (decl_for_uid_map): New global hashtable mapping DECL_UID
167         to the decl tree.
168         (init_ttree): Allocate it.
169         (insert_decl_to_uid_decl_map): New helper function.
170         (make_node_stat): Insert new decls into the map.
171         (copy_node_stat): Likewise.
172         (lookup_decl_from_uid): New function.
173         (remove_decl_from_map): Likewise.
174         (print_decl_for_uid_map_statistics): New helper.
175         (dump_tree_statistics): Call it.
176
177         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
178         (referenced_var_iterator): Adjust.
179         (FOR_EACH_REFERENCED_VAR): Adjust.
180         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
181         (num_referenced_vars): Adjust.
182         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
183         (first_referenced_var): Remove.
184         (end_referenced_vars_p): Likewise.
185         (next_referenced_var): Likewise.
186         (referenced_var_iterator_set): New helper function.
187         * tree-dfa.c (referenced_var_lookup): Adjust.
188         (referenced_var_check_and_insert): Likewise.
189         (remove_referenced_var): Likewise.
190         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
191         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
192         (verify_call_clobbering): Likewise.
193         (verify_memory_partitions): Likewise.
194         (init_tree_ssa): Allocate bitmap instead of hashtable for
195         referenced_vars.
196         (delete_tree_ssa): Adjust.
197         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
198         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
199         (compute_tag_properties): Likewise.
200         (set_initial_properties): Likewise.
201         (find_partition_for): Likewise.
202         (update_reference_counts): Likewise.
203         (dump_may_aliases_for): Likewise.
204         * tree-ssa-operands.c (add_virtual_operand): Likewise.
205         (add_call_clobber_ops): Likewise.
206         (add_call_read_ops): Likewise.
207         (get_asm_expr_operands): Likewise.
208         * tree-into-ssa.c (dump_decl_set): Likewise.
209         (update_ssa): Likewise.
210         * tree-sra.c (scan_function): Likewise.
211         (decide_instantiations): Likewise.
212         (scalarize_parms): Likewise.
213         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
214         (dsa_named_for): Likewise.
215         * tree-ssa-structalias.c (update_alias_info): Likewise.
216         (merge_smts_into): Likewise.
217
218 2008-02-27  David Daney  <ddaney@avtrex.com>
219
220         PR target/34409
221         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
222         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
223         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
224         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
225         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
226
227 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
228
229         PR target/25477
230         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
231         (BUILT_IN_NEXTTOWARD): Remove.
232         (BUILT_IN_NEXTTOWARDF): Ditto.
233         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
234         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
235
236 2008-02-27  Tom Tromey  <tromey@redhat.com>
237
238         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
239         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
240
241 2008-02-27  Jan Beulich  <jbeulich@novell.com>
242
243         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
244         update the respective field on newdecl.
245
246 2008-02-27  Revital Eres  <eres@il.ibm.com>
247
248         PR rtl-optimization/34999
249         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
250         crossing edges that ends with a call insn.
251         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
252         call insn and clear the EDGE_CROSSING flag of the crossing edge
253         when fixing fallthru edges.
254
255 2008-02-27  Richard Guenther  <rguenther@suse.de>
256
257         PR middle-end/35390
258         * fold-const.c (fold_unary): Return the correct argument,
259         converted to the result type.
260
261 2008-02-27  Richard Guenther  <rguenther@suse.de>
262
263         PR middle-end/34971
264         * expr.c (expand_expr_real_1): Assert on rotates that operate
265         on partial modes.
266         * fold-const.c (fold_binary): Use the types precision, not the
267         bitsize of the mode if folding rotate expressions.  Build rotates
268         only for full modes.
269
270 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
271
272         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
273         and CPP_PRAGMA_EOL.
274         * c-pragma.c (pragma_ns_name): New typedef.
275         (registered_pp_pragmas): New variable.
276         (c_pp_lookup_pragma): New function.
277         (c_register_pragma_1): If flag_preprocess_only, do nothing
278         for non-expanded pragmas, for expanded ones push pragma's
279         namespace and name into registered_pp_pragmas vector.
280         (c_invoke_pragma_handler): Register OpenMP pragmas even when
281         flag_preprocess_only, don't register GCC pch_preprocess
282         pragma if flag_preprocess_only.
283         * c-opts.c (c_common_init): Call init_pragma even if
284         flag_preprocess_only.
285         * c-pragma.c (c_pp_lookup_pragma): New prototype.
286         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
287         cpp_register_pragma if flag_preprocess_only.
288
289 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
290
291         PR c/28800
292         * c-parser.c (c_parser_translation_unit): Warn for empty
293         translation unit, not empty source file.
294
295 2008-02-26  Paul Brook  <paul@codesourcery.com>
296
297         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
298         operand for Thumb-2.
299         * config/arm/arm.h (reg_class): Add CORE_REGS.
300         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
301         (BASE_REG_CLASS): Use CORE_REGS.
302         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
303         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
304         (REGNO_OK_FOR_INDEX_P): Exclude SP.
305         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
306         ARM_REGNO_OK_FOR_INDEX_P.
307         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
308         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
309         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
310         (ldm/stm peepholes): Ditto.
311         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
312         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
313         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
314         * config/arm/constraints.md: Enable "k" constraint on ARM.
315
316 2008-02-27  Ben Elliston  <bje@au.ibm.com>
317
318         * config/rs6000/rs6000.c: Annotate cache line size field in all
319         instances of struct processor_costs.
320
321 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
322
323         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
324         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
325         jump_bypass): New counters.
326         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
327         * dce.c (gate_ud_dce): Same.
328         (gate_fast_dce): Same.
329         * dse.c (gate_dse1): New function.
330         (gate_dse2): New function.
331         (gate_dse): Merge results of new gate functions.
332         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
333         (gate_handle_jump_bypass): Add dbg_cnt.
334         (gate_handle_gcse): Add dbg_cnt.
335         * ifcvt.c (gate_handle_if_conversion): Same.
336         (gate_handle_if_after_combine): Same.
337         (gate_handle_if_after_reload): Same.
338         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
339
340 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
341
342         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
343         line sizes.
344         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
345
346 2008-02-26  Jason Merrill  <jason@redhat.com>
347
348         PR c++/35315
349         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
350         alone if it's the naming decl for the type's main variant.
351
352 2008-02-26  Tom Tromey  <tromey@redhat.com>
353
354         * system.h (USE_MAPPED_LOCATION): Poison.
355         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
356         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
357         (make_goto_expr_edges): Likewise.
358         (remove_bb): Likewise.
359         (execute_warn_function_return): Likewise.
360         * basic-block.h (struct edge_def) <goto_locus>: Change type to
361         location_t.
362         * c-common.c (fname_decl): Remove old location code.
363         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
364         location code.
365         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
366         variant.
367         (ASM_INPUT_SOURCE_LOCATION): Likewise.
368         (gen_rtx_ASM_INPUT): Likewise.
369         (gen_rtx_ASM_INPUT_loc): Likewise.
370         (get_rtx_asm_OPERANDS): Remove.
371         * cfglayout.c (insn_locators_alloc): Remove old location code.
372         (set_curr_insn_source_location): Likewise.
373         (curr_insn_locator): Likewise.
374         * print-tree.c (print_node): Remove old location code.
375         * tree-mudflap.c (mf_varname_tree): Remove old location code.
376         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
377         * cfgexpand.c (expand_gimple_cond_expr): Don't use
378         location_from_locus.
379         (construct_exit_block): Remove old location code.
380         * emit-rtl.c (force_next_line_note): Remove old location code.
381         * profile.c (branch_prob): Remove old location code.
382         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
383         LOC_LINE): Remove old-location variants.
384         * langhooks.c (lhd_print_error_function): Remove old location
385         code.
386         * configure, config.in: Rebuilt.
387         * configure.ac (--enable-mapped-location): Remove.
388         * c-decl.c (c_init_decl_processing): Remove old location code.
389         (finish_function): Likewise.
390         * recog.c (decode_asm_operands): Remove old location code.
391         * c-pch.c (c_common_read_pch): Remove old location code.
392         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
393         variants.
394         * gimple-low.c (lower_function_body): Remove old location code.
395         * toplev.c (unknown_location): Remove.
396         (push_srcloc): Remove old-location variant.
397         (process_options): Remove old location code.
398         (lang_dependent_init): Likewise.
399         * input.h (UNKNOWN_LOCATION): Move definition.
400         (location_t): Undeprecate.
401         (source_locus): Remove.
402         (location_from_locus): Remove.
403         (struct location_s): Remove.
404         Remove all old-location code.
405         (input_line, input_filename): Remove.
406         * final.c (final_scan_insn): Remove old location code.
407         * diagnostic.c (diagnostic_build_prefix): Remove
408         USE_MAPPED_LOCATION test.
409         * tree.h (gimple_stmt) <locus>: Now a location_t.
410         (tree_exp) <locus>: Likewise.
411         (DECL_IS_BUILTIN): Remove old-location variant.
412         (annotate_with_file_line, annotate_with_locus): Likewise.
413         (expr_locus, set_expr_locus): Update.
414         * tree.c (build1_stat): Remove old location code.
415         (last_annotated_node): Remove.
416         (annotate_with_file_line): Remove old-location variant.
417         (annotate_with_locus): Likewise.
418         (expr_location): Remove old location code.
419         (set_expr_location): Likewise.
420         (expr_has_location): Likewise.
421         (expr_locus): Likewise.
422         (set_expr_locus): Likewise.
423         (expr_filename): Don't use location_from_locus.
424         (expr_lineno): Likewise.
425         * rtl-error.c (location_for_asm): Remove old location code.
426         * c-lex.c (cb_line_change): Remove old location code.
427         (fe_file_change): Likewise.
428         (cb_def_pragma): Likewise.
429         (c_lex_with_flags): Likewise.
430         * gengtype.c (do_typedef): Don't special-case location types.
431         (define_location_structures): Remove.
432         (main): Don't call define_location_structures.
433         * tree-pretty-print.c (dump_implicit_edges): Remove old location
434         code.
435
436 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
437
438         PR 26264
439         * builtins.def (BUILT_IN_STDARG_START): Remove.
440         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
441         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
442         * tree-inline.c (inline_forbidden_p_1): Likewise.
443         
444 2008-02-26  Richard Guenther  <rguenther@suse.de>
445
446         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
447         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
448         (lookup_decl_from_uid): Declare.
449         (remove_decl_from_map): Likewise.
450         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
451         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
452         (decl_for_uid_map): New global hashtable mapping DECL_UID
453         to the decl tree.
454         (init_ttree): Allocate it.
455         (insert_decl_to_uid_decl_map): New helper function.
456         (make_node_stat): Insert new decls into the map.
457         (copy_node_stat): Likewise.
458         (lookup_decl_from_uid): New function.
459         (remove_decl_from_map): Likewise.
460         (print_decl_for_uid_map_statistics): New helper.
461         (dump_tree_statistics): Call it.
462
463         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
464         (referenced_var_iterator): Adjust.
465         (FOR_EACH_REFERENCED_VAR): Adjust.
466         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
467         (num_referenced_vars): Adjust.
468         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
469         (first_referenced_var): Remove.
470         (end_referenced_vars_p): Likewise.
471         (next_referenced_var): Likewise.
472         (referenced_var_iterator_set): New helper function.
473         * tree-dfa.c (referenced_var_lookup): Adjust.
474         (referenced_var_check_and_insert): Likewise.
475         (remove_referenced_var): Likewise.
476         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
477         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
478         (verify_call_clobbering): Likewise.
479         (verify_memory_partitions): Likewise.
480         (init_tree_ssa): Allocate bitmap instead of hashtable for
481         referenced_vars.
482         (delete_tree_ssa): Adjust.
483         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
484         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
485         (compute_tag_properties): Likewise.
486         (set_initial_properties): Likewise.
487         (find_partition_for): Likewise.
488         (update_reference_counts): Likewise.
489         (dump_may_aliases_for): Likewise.
490         * tree-ssa-operands.c (add_virtual_operand): Likewise.
491         (add_call_clobber_ops): Likewise.
492         (add_call_read_ops): Likewise.
493         (get_asm_expr_operands): Likewise.
494         * tree-into-ssa.c (dump_decl_set): Likewise.
495         (update_ssa): Likewise.
496         * tree-sra.c (scan_function): Likewise.
497         (decide_instantiations): Likewise.
498         (scalarize_parms): Likewise.
499         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
500         (dsa_named_for): Likewise.
501         * tree-ssa-structalias.c (update_alias_info): Likewise.
502         (merge_smts_into): Likewise.
503
504 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
505
506         PR 34351
507         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
508         * c-opts.c (c_common_handle_option): Wall enables
509         Wvolatile-register-var.
510         * common.opt: Move Wvolatile-register-var to...
511         * c.opt: ...here.
512         
513 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
514
515         * common.opt (Wlarger-than=): New.
516         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
517         -Wlarger-than=.
518         * opts.c (common_handle_option): Handle -Wlarger-than=.
519         * optc-gen.awk: Likewise.
520         * opth-gen.awk: Likewise.
521         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
522         * tree-optimize.c (tree_rest_of_compilation): Likewise.
523         
524 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
525
526         * c-common.c (match_case_to_enum_1): Add appropriate
527         OPT_W* parameter to warning.
528         (c_do_switch_warnings): Likewise.
529         * c-typeck.c (warning_init): Add one more parameter following
530         'warning' function.
531         (push_init_level): Update call to warning_init.
532         (pop_init_level): Likewise.
533         (add_pending_init): Likewise.
534         (output_init_element: Likewise.
535
536 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
537
538         PR 28322
539         * toplev.c (toplev_main): If there are warnings or error, print
540         errors for ignored options.
541         * opts.c (ignored_options): New static variable.
542         (postpone_unknown_option_error): New.
543         (print_ignored_options): New.
544         (handle_option): Postpone errors for unknown -Wno-* options.
545         * opts.h (print_ignored_options): Declare.
546         
547 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
548
549         * config/mips/mips.md (loadgp_blockage, blockage): Change type
550         to "ghost".
551
552 2008-02-25  Richard Guenther  <rguenther@suse.de>
553
554         Revert:
555         2008-02-25  Richard Guenther  <rguenther@suse.de>
556
557         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
558         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
559         (lookup_decl_from_uid): Declare.
560         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
561         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
562         (decl_for_uid_map): New global hashtable mapping DECL_UID
563         to the decl tree.
564         (init_ttree): Allocate it.
565         (insert_decl_to_uid_decl_map): New helper function.
566         (make_node_stat): Insert new decls into the map.
567         (copy_node_stat): Likewise.
568         (lookup_decl_from_uid): New function.
569         (print_decl_for_uid_map_statistics): New helper.
570         (dump_tree_statistics): Call it.
571
572         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
573         (referenced_var_iterator): Adjust.
574         (FOR_EACH_REFERENCED_VAR): Adjust.
575         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
576         (num_referenced_vars): Adjust.
577         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
578         (first_referenced_var): Remove.
579         (end_referenced_vars_p): Likewise.
580         (next_referenced_var): Likewise.
581         (referenced_var_iterator_set): New helper function.
582         * tree-dfa.c (referenced_var_lookup): Adjust.
583         (referenced_var_check_and_insert): Likewise.
584         (remove_referenced_var): Likewise.
585         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
586         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
587         (verify_call_clobbering): Likewise.
588         (verify_memory_partitions): Likewise.
589         (init_tree_ssa): Allocate bitmap instead of hashtable for
590         referenced_vars.
591         (delete_tree_ssa): Adjust.
592         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
593         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
594         (compute_tag_properties): Likewise.
595         (set_initial_properties): Likewise.
596         (find_partition_for): Likewise.
597         (update_reference_counts): Likewise.
598         (dump_may_aliases_for): Likewise.
599         * tree-ssa-operands.c (add_virtual_operand): Likewise.
600         (add_call_clobber_ops): Likewise.
601         (add_call_read_ops): Likewise.
602         (get_asm_expr_operands): Likewise.
603         * tree-into-ssa.c (dump_decl_set): Likewise.
604         (update_ssa): Likewise.
605         * tree-sra.c (scan_function): Likewise.
606         (decide_instantiations): Likewise.
607         (scalarize_parms): Likewise.
608         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
609         (dsa_named_for): Likewise.
610         * tree-ssa-structalias.c (update_alias_info): Likewise.
611         (merge_smts_into): Likewise.
612
613 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
614
615         PR fortran/29549
616         * doc/invoke.texi (-fcx-limited-range): Document new option.
617         * toplev.c (process_options): Handle -fcx-fortran-rules.
618         * common.opt: Add documentation for -fcx-fortran-rules.
619
620 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
621
622         PR c/35162
623         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
624         actual behaviour and C99.
625         
626 2008-02-26  Ben Elliston  <bje@au.ibm.com>
627
628         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
629         (ASM_CPU_POWER6_SPEC): Likewise.
630         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
631         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
632         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
633
634 2008-02-25  Richard Guenther  <rguenther@suse.de>
635
636         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
637         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
638         (lookup_decl_from_uid): Declare.
639         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
640         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
641         (decl_for_uid_map): New global hashtable mapping DECL_UID
642         to the decl tree.
643         (init_ttree): Allocate it.
644         (insert_decl_to_uid_decl_map): New helper function.
645         (make_node_stat): Insert new decls into the map.
646         (copy_node_stat): Likewise.
647         (lookup_decl_from_uid): New function.
648         (print_decl_for_uid_map_statistics): New helper.
649         (dump_tree_statistics): Call it.
650
651         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
652         (referenced_var_iterator): Adjust.
653         (FOR_EACH_REFERENCED_VAR): Adjust.
654         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
655         (num_referenced_vars): Adjust.
656         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
657         (first_referenced_var): Remove.
658         (end_referenced_vars_p): Likewise.
659         (next_referenced_var): Likewise.
660         (referenced_var_iterator_set): New helper function.
661         * tree-dfa.c (referenced_var_lookup): Adjust.
662         (referenced_var_check_and_insert): Likewise.
663         (remove_referenced_var): Likewise.
664         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
665         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
666         (verify_call_clobbering): Likewise.
667         (verify_memory_partitions): Likewise.
668         (init_tree_ssa): Allocate bitmap instead of hashtable for
669         referenced_vars.
670         (delete_tree_ssa): Adjust.
671         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
672         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
673         (compute_tag_properties): Likewise.
674         (set_initial_properties): Likewise.
675         (find_partition_for): Likewise.
676         (update_reference_counts): Likewise.
677         (dump_may_aliases_for): Likewise.
678         * tree-ssa-operands.c (add_virtual_operand): Likewise.
679         (add_call_clobber_ops): Likewise.
680         (add_call_read_ops): Likewise.
681         (get_asm_expr_operands): Likewise.
682         * tree-into-ssa.c (dump_decl_set): Likewise.
683         (update_ssa): Likewise.
684         * tree-sra.c (scan_function): Likewise.
685         (decide_instantiations): Likewise.
686         (scalarize_parms): Likewise.
687         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
688         (dsa_named_for): Likewise.
689         * tree-ssa-structalias.c (update_alias_info): Likewise.
690         (merge_smts_into): Likewise.
691
692 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
693
694         PR target/35258
695         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
696         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
697         * alias.h (nonoverlapping_memrefs_p): Likewise.
698
699 2008-02-25  Jan Beulich  <jbeulich@novell.com>
700
701         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
702         * config/i386/netware-libgcc.exp: Add __bswap?i2,
703         __emultls_get_address, __emultls_register_common,
704         __floatundi?f, and _Unwind_GetIPInfo.
705         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
706         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
707         (gen_regparm_prefix): Likewise.
708         (i386_nlm_encode_section_info): Sync with
709         config/i386/winnt.c:i386_pe_encode_section_info().
710         (i386_nlm_maybe_mangle_decl_assembler_name): New.
711         i386_nlm_mangle_decl_assembler_name): New.
712         (netware_override_options): New.
713         * config/i386/netware.h (netware_override_options): Declare.
714         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
715         (i386_nlm_mangle_decl_assembler_name): Declare.
716         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
717
718 2008-02-25  Ben Elliston  <bje@au.ibm.com>
719
720         PR other/32948
721         * c-decl.c (grokdeclarator): Remove unused local variables
722         `typedef_type' and `type_as_written'.
723         * bb-reorder.c
724         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
725         unused local variable `has_hot_blocks'.
726         (fix_crossing_conditional_branches): Remove unused local variable
727         `prev_bb'.
728         
729 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
730
731         PR middle-end/19984
732         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
733         using DEF_C99_BUILTIN.
734         (BUILT_IN_NANF): Ditto.
735         (BUILT_IN_NANL): Ditto.
736
737 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
738             Revital Eres  <eres@il.ibm.com>
739
740         * modulo-sched.c (calculate_must_precede_follow): Address TODO
741         regarding the order of two dependent insns in the same row.
742
743 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
744
745         * stor-layout.c (layout_decl): Do not bump the alignment of a
746         bit-field to more than byte alignment if it is packed.
747
748 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
749
750         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
751         e300c2 and e300c3.
752
753 2008-02-24  Diego Novillo  <dnovillo@google.com>
754
755         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
756
757         PR 33738
758         * tree-vrp.c (vrp_evaluate_conditional): With
759         -Wtype-limits, emit a warning when comparing against a
760         constant outside the natural range of OP0's type.
761         * c.opt (Wtype-limits): Move ...
762         * common.opt (Wtype-limits): ... here.
763
764 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
765
766         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
767         * config/rs6000/e300c2c3.md: New file.
768         * config/rs6000/rs6000.c (processor_costs): Add new costs for
769         e300c2 and e300c3.
770         (rs6000_override_options): Add e300c2 and e300c3 cases to
771         processor_target_table. Do not allow usage of Altivec or Spe
772         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
773         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
774         * config/rs6000/rs6000.h (processor_type): Add
775         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
776         (ASM_CPU_SPEC): Add e300c2 and e300c3.
777         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
778         and ppce300c3. Include e300c2c3.md.
779
780 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
781
782         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
783         instead of TARGET_STRICT_ALIGN.
784
785 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
786
787         * explow.c (memory_address): Assert that the generated address is
788         valid.
789
790 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
791
792         PR target/25477
793         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
794         * config/darwin-ppc-ldouble-patch.def: New file.
795         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
796         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
797         SUBTARGET_INIT_BUILTINS if defined.
798         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
799         New functions.
800
801 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
802
803         PR rtl-opt/33512
804         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
805         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
806
807 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
808
809         PR pch/35027
810         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
811         file" warning condtional on -Winvalid-PCH.
812
813 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
814
815         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
816
817 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
818
819         PR target/22076
820         PR target/34256 
821         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
822         prevent reload from using MMX registers.
823         (*mov<mode>_internal): Ditto.
824         (*movv2sf_internal_rex64): Ditto.
825         (*movv2sf_internal): Ditto.
826
827 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
828
829         PR documentation/31569
830         * doc/install.texi2html: Use makeinfo --no-number-sections.
831
832 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
833
834         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
835         ensure that we can address an entire entity > 8 bytes.  Don't
836         generate reg+reg addressing for such data.
837
838 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
839
840         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
841         strings when optimizing for size, unless the target cares about
842         alignment.
843
844 2008-02-22  Tom Tromey  <tromey@redhat.com>
845
846         * regclass.c (current_pass): Remove declaration.
847
848 2008-02-22  Anatoly Sokolov <aesok@post.ru>
849
850         * config/avr/libgcc.S (__RAMPZ__): Define.
851         (__do_copy_data): Add for devices with 128KB code memory.
852
853 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
854
855         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
856         Use spe_abi.
857         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
858
859 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
860
861         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
862         GENNONACR_REGS.
863
864 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
865
866         PR c/19999
867         * c-typeck.c (build_binary_op): Warn about floating point
868         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
869
870 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
871
872         PR target/34526
873         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
874         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
875         add vrsave.
876         (rs6000_override_options): Set altivec_abi as default, not override,
877         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
878         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
879         is used; use new member spe_abi.
880         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
881         spe_abi and altivec_abi.
882
883 2008-02-22  Tomas Bily  <tbily@suse.cz>
884
885         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
886
887 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
888
889         PR bootstrap/35273
890         * config.build (build_file_translate): Set to `CMD //c' only if
891         it works.
892         * Makefile.in (build_file_translate): Improve comment.
893
894 2008-02-21  Jan Hubicka  <jh@suse.cz>
895
896         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
897         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
898         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
899
900 2008-02-21  Michael Matz  <matz@suse.de>
901
902         PR target/35264
903         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
904
905 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
906
907         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
908         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
909         as insn constraint.
910         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
911         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
912         SSE_VEC_FLOAT_MODE_P as insn constraint.
913         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
914         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
915         sse4a_movntdf using MODEF mode iterator.
916         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
917         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
918         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
919         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
920         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
921         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
922         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
923
924 2008-02-21  Richard Guenther  <rguenther@suse.de>
925
926         * tree.def (PAREN_EXPR): New tree code.
927         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
928         and PAREN_EXPR.
929         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
930         * expr.c (expand_expr_real_1): Likewise.
931         * tree-inline.c (estimate_num_insns_1): Likewise.
932         * tree-complex.c (expand_complex_move): Likewise.
933         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
934         as plain x.
935
936 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
937
938         PR target/35225
939         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
940
941 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
942
943         PR target/35190
944         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
945
946         * config/sh/sh.c (find_barrier): Don't go past
947         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
948
949 2008-02-20  DJ Delorie  <dj@redhat.com>
950
951         * config/h8300/h8300.md (insv): Force source operand to be a register.
952
953         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
954         as a jump, not as a plain insn.
955         
956 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
957
958         * doc/invoke.texi (Warning Options): Add new option
959         -Wframe-larger-than=.
960         (-Wframe-larger-than): Document.
961
962         * flags.h (warn_frame_larger_than, frame_larger_than_size):
963         Add declarations for new option variables.
964
965         * final.c (final_start_function): Check the frame size
966         before emission and issue a Wframe-larger-than warning.
967
968         * opts.c (warn_frame_larger_than, frame_larger_than_size):
969         Add definitions for new option variables.
970         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
971
972         * common.opt (Wframe-larger-than=): New option.
973
974 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
975
976         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
977         (<sse>_div<mode>3): Ditto.
978         (<sse>_vmdiv<mode>3): Ditto.
979         (<sse>_vmsqrt<mode>2): Ditto.
980         (*smax<mode>3): Ditto.
981         (sse5_frcz<mode>2): Ditto.
982         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
983         as insn constraint.
984
985 2008-02-20  Richard Guenther  <rguenther@suse.de>
986
987         PR middle-end/35265
988         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
989         be happy with INTEGRAL_TYPE_P.
990
991 2008-02-20  Richard Guenther  <rguenther@suse.de>
992
993         * fold-const.c (split_tree): Associate floatig-point expressions
994         if flag_associative_math is set.
995
996 2008-02-20  Richard Guenther  <rguenther@suse.de>
997
998         * tree.h (fold_real_zero_addition_p): Declare.
999         * fold-const.c (fold_real_zero_addition_p): Export.
1000         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1001         floating-point operations with zero and one.
1002
1003 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1004
1005         * doc/install.texi: Correct references to CFLAGS, replacing them
1006         with BOOT_CFLAGS.  Document flags used during bootstrap for
1007         target libraries.
1008                                 
1009 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1010
1011         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1012         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1013         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1014         insn constraint.
1015         (smin<mode>3): Ditto from similar patterns.
1016         (smax<mode>3): Ditto.
1017         (*ieee_smin<mode>3): Ditto.
1018         (*ieee_smax<mode>3): Ditto.
1019         * config/i386/sse.md (sse): New mode attribute.
1020         (mov<mode>): Macroize expander from movv4sf and movv2df using
1021         SSEMODEF2P mode iterator.
1022         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1023         SSE_VEC_FLOAT_MODE_P as insn constraint.
1024         (storent<mode>): Ditto.
1025         (storent<mode>): Macroize expander from storentsf and storentdf using
1026         MODEF mode iterator.
1027         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1028         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1029         (abs<mode>2): Ditto from similar patterns.
1030         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1031         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1032         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1033         (<sse>_vmsqrt<mode>2): Ditto.
1034         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1035         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1036         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1037         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1038         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1039         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1040         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1041         insn constraint.
1042         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1043         iterator and SSE_FLOAT_MODE_P as insn constraint.
1044         (<sse>_ucomi): Ditto from similar patterns.
1045         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1046         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1047         SSE_VEC_FLOAT_MODE_P as insn constraint.
1048         (vcond<mode>): Ditto from similar patterns.
1049         (and<mode>3, *and<mode>3): Ditto.
1050         (<sse>_nand<mode>3): Ditto.
1051         (ior<mode>3, *ior<mode>3): Ditto.
1052         (xor<mode>3, *xor<mode>3): Ditto.
1053         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1054         iterator and SSE_FLOAT_MODE_P as insn constraint.
1055         (*nand<mode>3): Ditto from similar patterns.
1056         (*ior<mode>3): Ditto.
1057         (*xor<mode>3): Ditto.
1058
1059 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1060
1061         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1062         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1063         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1064
1065 2008-02-19  Jan Hubicka  <jh@suse.cz>
1066
1067         * predict.c (tree_bb_level_predictions): Remove variable next
1068         mistakely introduced by previous commit.
1069
1070 2008-02-19  Jan Hubicka  <jh@suse.cz>
1071
1072         * predict.c (predict_paths_leading_to): Rewrite.
1073         (predict_paths_for_bb): New.
1074         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1075
1076 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1077
1078         PR bootstrap/35218
1079         * Makefile.in (build_file_translate): New.
1080         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1081         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1082         * configure.ac (build_file_translate): Substitute it.
1083         * configure: Regenerate.
1084
1085 2008-02-19  Jan Hubicka  <jh@suse.cz>
1086
1087         PR rtl-optimization/34408
1088         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1089         invalid sharing.
1090
1091 2008-02-19  Jan Hubicka  <jh@suse.cz>
1092
1093         PR middle-end/28779
1094         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1095         call_expr.
1096
1097 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1098
1099         PR Ada/35186
1100         * config/i386/i386-modes.def: Revert the last DI alignment
1101         change until Ada people can look into it.
1102
1103 2008-02-19  Nick Clifton  <nickc@redhat.com>
1104
1105         * opts.c (print_specific_help): Fix typo in --help text.
1106
1107 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1108
1109         PR target/35239
1110         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1111         32-bit inline asm without asm alternatives for host GCC < 3.0.
1112
1113 2008-02-19  Richard Guenther  <rguenther@suse.de>
1114
1115         PR tree-optimization/34989
1116         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1117         Allow propagation to INDIRECT_REF if we can simplify only.
1118
1119 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1120
1121         * c-common.c (warn_for_collisions_1): Use appropriate option when
1122         warning.
1123
1124 2008-02-19  Nick Clifton  <nickc@redhat.com>
1125
1126         PR other/31349
1127         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1128         (handle_options): Fix indentation.
1129         (print_filtered_help): If no language-specific options were
1130         displayed tell the user how to list all the options supported by
1131         the language's front-end.
1132         (print_specific_help): Fix indentation and remove duplicate line.
1133         (common_handle_option): Handle the -v option.
1134         For --help enable the display of undocumented options if the -v
1135         switch has been included on the command line.
1136         For --help= check for overlaps in the arguments between the option
1137         classes and the language names and issue a warning when they
1138         cannot be disambiguated.
1139         * c.opt (v): Pass on to the common option handler.
1140
1141 2008-02-19  Revital Eres  <eres@il.ibm.com> 
1142
1143         * modulo-sched.c (sms_schedule): Change dump message when
1144         create_ddg function fails.
1145         (try_scheduling_node_in_cycle): Rename row to cycle.
1146         (print_partial_schedule): Rename CYCLE to ROW.
1147
1148 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1149             Zdenek Dvorak  <ook@ucw.cz>
1150
1151         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1152
1153 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1154
1155         PR target/33555
1156         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1157         (*x86_movdicc_0_m1_se): Ditto.
1158
1159 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1160
1161         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1162         (CMPtype): Define as __gcc_CMPtype.
1163         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1164         (CMPtype): Define as __gcc_CMPtype.
1165
1166 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1167
1168         Support valgrind 3.3 for --enable-checking=valgrind.
1169         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1170         here.
1171         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1172         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1173         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1174         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1175         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1176         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1177         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1178         respectively.
1179         * ggc-zone.c: Similar.
1180         * ggc-page.c: Similar.
1181
1182 2008-02-19  Paul Brook  <paul@codesourcery.com>
1183
1184         PR target/35071
1185         * config/arm/ieee754-df.S: Fix do_it typo.
1186         * config/arm/ieee754-sf.S: Fix do_it typo.
1187
1188 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1189
1190         PR target/35189
1191         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1192         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1193         (OPTION_MASK_ISA_SSE_SET): Likewise.
1194         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1195         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1196         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1197         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1198         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1199         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1200         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1201         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1202         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1203         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1204         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1205         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1206         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1207         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1208         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1209         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1210         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1211         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1212         (OPTION_MASK_ISA_SSE4): Removed.
1213         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1214         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1215         -mXXX.
1216         (override_options): Don't turn on implied SSE/MMX bits in
1217         ix86_isa_flags.
1218
1219 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1220
1221         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1222         32bit host.
1223
1224 2008-02-18  Joey Ye  <joey.ye@intel.com>
1225
1226         PR middle-end/34921
1227         * tree-nested.c (insert_field_into_struct): Set type alignment
1228         to field alignment if the former is less than the latter.
1229
1230 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1231
1232         * BASE-VER: Set to 4.4.0.
1233
1234 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1235
1236         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1237         * doc/cfg.texi: Likewise.
1238         * doc/extend.texi: Likewise.
1239         * doc/gty.texi: Likewise.
1240         * doc/invoke.texi: Likewise.
1241         * doc/loop.texi: Likewise.
1242         * doc/md.texi: Likewise.
1243         * doc/passes.texi: Likewise.
1244         * doc/rtl.texi: Likewise.
1245         * doc/sourcebuild.texi: Likewise.
1246         * doc/tm.texi: Likewise.
1247         * doc/tree-ssa.texi: Likewise.
1248
1249 2008-02-17  Richard Guenther  <rguenther@suse.de>
1250
1251         PR middle-end/35227
1252         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1253         without default definition.
1254
1255 2008-02-17  Richard Guenther  <rguenther@suse.de>
1256
1257         PR tree-optimization/35231
1258         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1259         if A | B != 1.
1260
1261 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1262
1263         Revert:
1264
1265         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
1266         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1267         libgcc_cmp_return mode.
1268
1269 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1270
1271         PR c/28368
1272         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1273
1274 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1275
1276         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1277         multilibs.
1278
1279 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1280
1281         * doc/c-tree.texi: Use `@.' where appropriate.
1282         * doc/extend.texi: Likewise.
1283         * doc/install.texi: Likewise.
1284         * doc/invoke.texi: Likewise.
1285         * doc/loop.texi: Likewise.
1286         * doc/makefile.texi: Likewise.
1287         * doc/md.texi: Likewise.
1288         * doc/passes.texi: Likewise.
1289         * doc/standards.texi: Likewise.
1290         * doc/tm.texi: Likewise.
1291
1292 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1293
1294         PR middle-end/35196
1295         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1296         in entry_bb.
1297         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1298         rather than in entry_bb.
1299
1300 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1301
1302         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1303         libgcc_cmp_return mode.
1304
1305 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1306
1307         PR middle-end/35130
1308         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1309         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1310
1311 2008-02-15  Richard Guenther  <rguenther@suse.de>
1312             Zdenek Dvorak  <ook@ucw.cz>
1313
1314         PR tree-optimization/35164
1315         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1316         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1317         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1318         Only propagate addresses which do not have abnormal SSA_NAMEs
1319         in their operands.
1320
1321 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1322
1323         PR target/35088
1324         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1325
1326 2008-02-15  Jan Hubicka  <jh@suse.cz>
1327
1328         PR middle-end/35149
1329         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1330
1331 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1332
1333         PR middle-end/34621
1334         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1335         when calculating alignment_pad.
1336
1337 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1338
1339         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1340         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1341         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1342         and STACK_BOUNDARY define.
1343
1344 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1345
1346         PR preprocessor/35061
1347         * c-pragma.c (handle_pragma_pop_macro): Check that
1348         pushed_macro_table has been allocated.
1349
1350 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1351
1352         PR middle-end/35136
1353         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1354         (force_gimple_operand): Likewise.
1355         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1356         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1357         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1358         (find_interesting_uses_address): Check addressability and alignment
1359         of the base expression only after substituting bases of IVs into it.
1360
1361 2008-02-14  Michael Matz  <matz@suse.de>
1362
1363         PR target/34930
1364         * function.c (instantiate_virtual_regs_in_insn): Reload address
1365         before falling back to reloading the whole operand.
1366
1367 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1368
1369         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1370         before the first section switch note.
1371
1372 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1373
1374         * doc/bugreport.texi: Update copyright years.
1375         * doc/c-tree.texi: Likewise.
1376         * doc/cfg.texi: Likewise.
1377         * doc/cpp.texi: Likewise.
1378         * doc/cppinternals.texi: Likewise.
1379         * doc/fragments.texi: Likewise.
1380         * doc/frontends.texi: Likewise.
1381         * doc/gcc.texi: Likewise.
1382         * doc/gty.texi: Likewise.
1383         * doc/hostconfig.texi: Likewise.
1384         * doc/implement-c.texi: Likewise.
1385         * doc/libgcc.texi: Likewise.
1386         * doc/loop.texi: Likewise.
1387         * doc/makefile.texi: Likewise.
1388         * doc/options.texi: Likewise.
1389         * doc/passes.texi: Likewise.
1390         * doc/rtl.texi: Likewise.
1391         * doc/sourcebuild.texi: Likewise.
1392         * doc/standards.texi: Likewise.
1393         * doc/tree-ssa.texi: Likewise.
1394         * doc/trouble.texi: Likewise.
1395
1396         * doc/extend.texi: Use @: or add comma where appropriate.
1397         * doc/invoke.texi: Likewise.
1398         * doc/tm.texi: Likewise.
1399
1400 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1401
1402         PR target/34393
1403         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1404         to a reg.
1405
1406 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1407
1408         * doc/md.texi (clz, ctz): Add reference.
1409         * doc/rtl.texi (clz, ctz): Likewise.
1410
1411 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1412
1413         PR other/35148
1414         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1415         srcdir.
1416
1417 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1418
1419         * config/s390/s390.c (struct constant_pool): New field
1420         emit_pool_after added.
1421         (s390_mainpool_start): Set the emit_pool_after flag according
1422         to the section switch notes.
1423         (s390_mainpool_finish): Consider emit_pool_after when emitting
1424         the literal pool at the end of the function.
1425         (s390_chunkify_start): Force literal pool splits at section
1426         switch notes.
1427
1428 2008-02-13  Michael Matz  <matz@suse.de>
1429
1430         PR debug/35065
1431         * var-tracking.c (clobber_variable_part): Correctly traverse the
1432         list.
1433
1434 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1435
1436         PR 29673
1437         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1438         Add -fdump-ipa-inline.
1439         * tree-dump.c (dump_files): Remove tree-inlined dump.
1440         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
1441         
1442 2008-02-12  Richard Guenther  <rguenther@suse.de>
1443
1444         PR tree-optimization/35171
1445         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
1446         default defs.
1447
1448 2008-02-12  Richard Guenther  <rguenther@suse.de>
1449
1450         PR middle-end/35163
1451         * fold-const.c (fold_widened_comparison): Use get_unwidened in
1452         value-preserving mode.  Disallow final truncation.
1453
1454 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1455
1456         PR middle-end/35136
1457         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
1458         code from here to...
1459         (force_gimple_operand): ...here.
1460
1461 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
1462
1463         PR c++/35144
1464         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
1465         non-compatible pointers.
1466         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
1467         different FIELD_DECLs, try harder by comparing field offsets, sizes
1468         and types.
1469
1470         PR inline-asm/35160
1471         * function.c (match_asm_constraints_1): Don't replace the same input
1472         multiple times.
1473
1474 2008-02-12  Anatoly Sokolov <aesok@post.ru>
1475
1476         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
1477         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
1478         (expand_epilogue): Restore RAMPZ register.
1479         * config/avr/avr.md (RAMPZ_ADDR): New constant.
1480
1481 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
1482
1483         * config/i386/cygwin.asm: (__alloca): Correct calling
1484         convention and alignment.
1485         (__chkstk): Force 8 byte stack alignment.
1486
1487 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
1488             Richard Guenther  <rguenther@suse.de>
1489
1490         PR tree-optimization/33992
1491         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
1492         the zero we compare against.
1493
1494 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
1495
1496         PR libfortran/35063
1497         * gthr-win32.h (__gthread_mutex_destroy_function): New function
1498         to CloseHandle after unlocking to prevent accumulation of handle
1499         count.
1500
1501 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1502
1503         PR middle_end/34150
1504         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
1505         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
1506         and update LABEL_NUSES during and after reload.
1507
1508 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
1509
1510         PR middle-end/34627
1511         * combine.c (simplify_if_then_else): Make sure the comparison is
1512         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
1513
1514 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1515
1516         PR bootstrap/35051
1517         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
1518         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
1519         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
1520         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
1521         * tree.h (get_type_static_bounds): Likewise.
1522
1523 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1524
1525         * doc/invoke.texi (Option Summary, C++ Dialect Options)
1526         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1527         Make -Wfoo language annotations match what the compiler outputs.
1528
1529 2008-02-08  Sa Liu  <saliu@de.ibm.com>
1530
1531         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
1532         intrinsics spu_convts, spu_convtu, spu_convtf.
1533         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
1534
1535 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
1536
1537         * doc/extend.texi (Function Attributes) <noinline>: Mention
1538         asm ("") as method to keep calls.
1539
1540 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1541
1542         PR other/32754
1543         * doc/options.texi (Options): Replace references to opts.sh with
1544         optc-gen.awk.
1545         * opts-common.c: Likewise.
1546         * optc-gen.awk: Likewise.
1547         
1548 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1549
1550         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
1551
1552 2008-02-07  Richard Henderson  <rth@redhat.com>
1553
1554         PR rtl-opt/33410
1555         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
1556         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
1557         funny mode.
1558
1559 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
1560
1561         PR tree-optimization/35085
1562         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
1563         for operand entry oe2 in addition to operand entry oe3 in order to
1564         expose more opportunities for vectorizer sum reduction.
1565
1566 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1567
1568         PR other/35107
1569         * Makefile.in (LIBS): Remove $(GMPLIBS).
1570         (cc1-dummy, cc1): Add $(GMPLIBS).
1571
1572 2008-02-06  Jan Hubicka  <jh@suse.cz>
1573
1574         PR target/23322
1575         * i386.md (moddf_integer): Do not produce partial memory stalls for
1576         targets where it hurts.
1577
1578 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
1579
1580         PR target/35083
1581         * optabs.c (expand_float): Do not check for decimal modes when
1582         expanding unsigned integer through signed conversion.
1583
1584 2008-02-06  Nick Clifton  <nickc@redhat.com>
1585
1586         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
1587         inside the clobber with a match_operand and duplicated operand
1588         number in the constraint.
1589         (ineqbranchsi): Delete redundant comment.
1590
1591 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1592
1593         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
1594         builtin_define ("__USE_INIT_FINI__").
1595         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
1596         -msx multilibs.
1597         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
1598
1599 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1600
1601         PR documentation/30330
1602         * doc/invoke.texi (C++ Dialect Options)
1603         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1604         For each warning option -Wfoo that allows -Wno-foo, ensure both
1605         -Wfoo and -Wno-foo are listed in the option index.  Fix index
1606         entry of -Wswitch-default, index -Wnormalized= including the
1607         `=', and -Wlarger-than-@var{len} including @var{len}.
1608
1609 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1610
1611         * config/i386/i386.md (floatunssisf2): Use
1612         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
1613         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
1614         Macroize expander using MODEF mode iterator.
1615
1616 2008-02-05  Diego Novillo  <dnovillo@google.com>
1617
1618         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
1619
1620         PR 33738
1621         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
1622
1623 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1624
1625         PR other/35070
1626         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
1627
1628 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
1629
1630         PR target/35084
1631         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
1632         to indicate if a message should be generated.
1633         (init_cumulative_args): Updated.
1634         (function_value_32): Likewise.
1635
1636 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
1637
1638         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
1639
1640 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1641
1642         PR target/35083
1643         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
1644         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
1645
1646 2008-02-04  Diego Novillo  <dnovillo@google.com>
1647
1648         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
1649
1650         PR 33738
1651         * tree-vrp.c (vrp_evaluate_conditional): With
1652         -Wtype-limits, emit a warning when comparing against a
1653         constant outside the natural range of OP0's type.
1654
1655 2008-02-04  Richard Guenther  <rguenther@suse.de>
1656
1657         PR middle-end/33631
1658         * expr.c (count_type_elements): Give for unions instead of
1659         guessing.
1660
1661 2008-02-04  Richard Guenther  <rguenther@suse.de>
1662
1663         PR middle-end/35043
1664         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
1665         to TYPE_DOMAINs base type instead of using bitsizetype here.
1666
1667 2008-02-03  Jason Merrill  <jason@redhat.com>
1668
1669         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
1670
1671 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1672
1673         PR other/29972
1674         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
1675         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
1676         (RS/6000 and PowerPC Options): Fix typos and markup.
1677         * doc/passes.texi (Tree-SSA passes): Likewise.
1678
1679 2008-02-02  Michael Matz  <matz@suse.de>
1680
1681         PR target/35045
1682         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
1683         from record_last_reg_set_info.
1684         (record_last_reg_set_info): Take an RTX argument, iterate over all
1685         constituent hardregs.
1686         (record_last_set_info, record_opr_changes): Change calls to
1687         new signature or to record_last_reg_set_info_regno.
1688
1689 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1690
1691         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
1692
1693 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
1694
1695         PR rtl-optimization/34773
1696         * reg-notes.def (EQUAL): Mention significance of combination of
1697         REG_EQUAL and REG_RETVAL.
1698         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
1699         insn that has a REG_RETVAL.
1700
1701 2008-02-01  Roger Sayle  <roger@eyesopen.com>
1702
1703         PR bootstrap/33781
1704         * configure.ac (--enable-fixed-point): Disable unless explicitly
1705         requested on IRIX.
1706         * configure: Regenerate.
1707
1708 2008-02-01  Richard Guenther  <rguenther@suse.de>
1709
1710         PR other/35042
1711         * invoke.texi (-finline-limit): Remove no longer true parts
1712         of the documentation.  Note that there is no default value.
1713
1714 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
1715             Mark Mitchell  <mark@codesourcery.com>
1716             Ben Elliston  <bje@au.ibm.com>
1717
1718         PR c/29326
1719         * doc/extend.texi (Other Builtins): Document.
1720
1721 2008-01-31  Tom Browder <tom.browder@gmail.com>
1722
1723         * doc/c-tree.texi (Types): Fix grammar.
1724         (Expression trees): Ditto.
1725         * doc/passes.texi (Tree-SSA passes): Ditto.
1726         
1727         * doc/configterms.texi (Configure Terms): Fix typo.
1728         * doc/cpp.texi (Common Predefined Macros): Ditto.
1729         * doc/md.texi (Machine Constraints): Ditto.
1730         
1731         * doc/makefile.texi (Makefile): Add comma.
1732
1733 2008-01-31  Tom Browder  <tom.browder@gmail.com>
1734             Gerald Pfeifer  <gerald@pfeifer.com>
1735         
1736         * doc/sourcebuild.texi (Front End): Remove references to CVS
1737         and CVSROOT/modules.
1738         (Texinfo Manuals): Replace reference to CVS by one to SVN.
1739         (Back End): Remove reference to CVS.
1740
1741 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1742
1743         PR target/34900
1744         * config/mips/mips.c (gen_load_const_gp): New function, taking a
1745         comment from...
1746         (mips16_gp_pseudo_reg): ...here.
1747         * config/mips/mips.md (load_const_gp): Replace with...
1748         (load_const_gp_<mode>): ...this :P-based insn.
1749
1750 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1751
1752         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
1753         options. Minor fixes.
1754         (-std): Move reference to standards closer to where language
1755         standards are first mentioned.
1756         
1757 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1758
1759         PR rtl-optimization/34995
1760         * reload.c (alternative_allows_const_pool_ref): Take an rtx
1761         parameter and return a bool.  If the rtx parameter is nonnull,
1762         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
1763         (find_reloads): Update call accordingly.  Pass the new operand
1764         if it needed no address reloads, otherwise pass null.
1765
1766 2008-01-30  Richard Henderson  <rth@redhat.com>
1767
1768         PR c/34993
1769         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
1770         for unbounded arrays.
1771
1772 2008-01-30  Silvius Rus  <rus@google.com>
1773
1774         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
1775
1776 2008-01-30  Jan Hubicka  <jh@suse.cz>
1777
1778         PR target/34982
1779         * i386.c (init_cumulative_args): Use real function declaration when
1780         calling locally.
1781
1782 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1783
1784         PR rtl-optimization/34998
1785         * global.c (build_insn_chain): Treat non-subreg_lowpart
1786         SUBREGs of pseudos as clobbering all the words covered by the
1787         SUBREG, not just all the bytes.
1788         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
1789         original df_ref rather than an extract parameter.
1790         (global_conflicts): Update call accordingly.
1791
1792 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1793
1794         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
1795         the overflow check to make it easier to read.
1796         (__fixtfdi): Change the type of the ll member in union
1797         long_double to UDItype_x.
1798
1799 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
1800
1801         PR middle-end/34969
1802         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
1803         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
1804         * tree-inline.c (fold_marked_statements): Call
1805         cgraph_update_edges_for_call_stmt if folding a call statement.
1806         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
1807         debug_generic_stmt calls, reset it back afterwards.
1808
1809         PR c/35017
1810         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
1811         static decls.
1812         * c-typeck.c (build_external_ref): Don't pedwarn about
1813         static vars in current function's scope.
1814
1815 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
1816
1817         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
1818
1819 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
1820
1821         PR c/35002
1822         * ipa-struct-reorg.c: Fix spelling.
1823         * params.def: Ditto.
1824
1825 2008-01-29  Richard Guenther  <rguenther@suse.de>
1826
1827         PR middle-end/35006
1828         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
1829         field.
1830         * tree-inline.c (remap_type): Increment remapping_type_depth
1831         around remapping types.
1832         (copy_body_r): Only add referenced variables if they are referenced
1833         from code, not types.
1834
1835 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
1836
1837         PR c++/34055
1838         PR c++/34103
1839         PR c++/34219
1840         PR c++/34606
1841         PR c++/34753
1842         PR c++/34754
1843         PR c++/34755
1844         PR c++/34919
1845         PR c++/34961
1846         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
1847         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
1848
1849 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
1850
1851         PR target/34412
1852         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
1853         pointer for tiny stack.
1854
1855 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1856
1857         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
1858
1859 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1860
1861         * config/vx-common.h: Fix typo in comment.
1862
1863 2008-01-28  Ian Lance Taylor  <iant@google.com>
1864
1865         PR c++/34862
1866         PR c++/33407
1867         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1868         coalesce pointers if they have different DECL_NO_TBAA_P values.
1869         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
1870         between variables with different DECL_NO_TBAA_P values.
1871
1872 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
1873
1874         PR 31535
1875         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
1876         are not legitimate small data references on SPE targets.
1877
1878 2008-01-28  David Daney  <ddaney@avtrex.com>
1879
1880         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
1881
1882 2008-01-28  David Daney  <ddaney@avtrex.com>
1883
1884         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
1885
1886 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
1887
1888         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
1889         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
1890         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
1891         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
1892         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
1893         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
1894         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
1895         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
1896
1897 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1898
1899         * basic-block.h (condjump_equiv_p): Fix comment.
1900
1901 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1902
1903         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
1904         print_generic_stmt_indented): Fix comment.
1905
1906 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1907
1908         * configure.ac (__stack_chk_fail): Add detecion for availability
1909         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
1910         * configure: Regenerate.
1911
1912 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
1913
1914         PR middle-end/34688
1915         * final.c (output_addr_const): Handle TRUNCATE.
1916
1917 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
1918
1919         PR target/34711
1920         * tree-ssa-loop-ivopts.c (comp_cost): New type.
1921         (zero_cost, infinite_cost): New constants.
1922         (struct cost_pair): Change type of cost to comp_cost.
1923         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
1924         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
1925         New functions.
1926         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
1927         split_address_cost, ptr_difference_cost, difference_cost,
1928         get_computation_cost_at, get_computation_cost,
1929         determine_use_iv_cost_generic, determine_use_iv_cost_address,
1930         determine_use_iv_cost_condition, determine_use_iv_costs,
1931         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
1932         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
1933         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
1934         Change type of cost to comp_cost.
1935         (determine_iv_cost): Increase cost of non-original ivs, instead
1936         of decreasing the cost of original ones.
1937         (get_address_cost): Indicate the complexity of the addressing mode 
1938         in comp_cost.
1939         (try_add_cand_for): Prefer using ivs not specific to some object.
1940         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
1941
1942 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
1943             Janis Johnson  <janis187@us.ibm.com>
1944
1945         PR target/34814
1946         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
1947         (TARGET_INSTANTIATE_DECLS): Likewise.
1948         * target.h (expand_to_rtl_hook): New target hook.
1949         (instantiate_decls): Likewise.
1950         * function.c (instantiate_decl): Make non-static.  Rename to...
1951         (instantiate_decl_rtl): ... this.
1952         (instantiate_expr): Use instantiate_decl_rtl.
1953         (instantiate_decls_1): Likewise.
1954         (instantiate_decls): Likewise.
1955         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
1956         * function.h (instantiate_decl_rtl): Add prototype.
1957         * cfgexpand.c (target.h): New include.
1958         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
1959         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
1960         (TARGET_INSTANTIATE_DECLS): Likewise.
1961         (TARGET_INITIALIZER): New target hooks added.
1962         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
1963         New prototype.
1964         * config/rs6000/rs6000.c (tree-flow.h): New include.
1965         (machine_function): Add sdmode_stack_slot field.
1966         (rs6000_alloc_sdmode_stack_slot): New function.
1967         (rs6000_instantiate_decls): Likewise.
1968         (rs6000_secondary_memory_needed_rtx): Likewise.
1969         (rs6000_check_sdmode): Likewise.
1970         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
1971         (TARGET_INSTANTIATE_DECLS): Likewise.
1972         (rs6000_hard_regno_mode_ok): Allow SDmode.
1973         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
1974         (rs6000_emit_move): Handle SDmode.
1975         (function_arg_advance): Likewise.
1976         (function_arg): Likewise.
1977         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
1978         SDmode var args for 32-bit compiles.
1979         (rs6000_secondary_reload_class): Handle SDmode.
1980         (rs6000_output_function_epilogue): Likewise.
1981         (rs6000_function_value): Simplify if statement.
1982         (rs6000_libcall_value): Likewise.
1983         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
1984         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
1985         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
1986         (movsd_hardfloat): New define_insn.
1987         (movsd_softfloat): Likewise.
1988         (movsd_store): Likewise.
1989         (movsd_load): Likewise.
1990         (extendsddd2): Likewise.
1991         (extendsdtd2): Likewise.
1992         (truncddsd2): Likewise.
1993         (movdd_hardfloat64): Fixup comment.
1994         (UNSPEC_MOVSD_LOAD): New constant.
1995         (UNSPEC_MOVSD_STORE): Likewise.
1996
1997 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
1998
1999         PR c++/34965
2000         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2001         TRUTH_XOR_EXPR.
2002         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2003         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2004         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2005         and TRUTH_XOR_EXPR.
2006
2007 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2008
2009         PR target/34794
2010         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2011         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2012         __LONGDOUBLE128 too.
2013         * config/rs6000/aix61.h: New file.
2014
2015 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2016
2017         PR rtl-optimization/34959
2018         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2019         popcount and parity rtxes the same mode as their operand.
2020         Truncate or extend the result to the return value's mode
2021         if necessary.
2022
2023 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2024
2025         PR target/34981
2026         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2027         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2028         to GOT_VERSION_REGNUM.
2029         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2030         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2031         * config/mips/mips.c (mips_emit_call_insn): New function.
2032         (mips_call_tls_get_addr): Call mips_expand_call directly.
2033         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2034         emit_call_insn.
2035         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2036         (mips_expand_call): Update the call to mips16_build_call_stub
2037         accordingly and a remove redundant condition.  Assert that MIPS16
2038         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2039         the call insn.
2040         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2041         TARGET_USE_GOT.
2042         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2043         (mips_avoid_hazard): Remove hazard_set handling.
2044         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2045         (UNSPEC_RESTORE_GP): ...this.
2046         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2047         (FAKE_CALL_REGNO): Rename to...
2048         (GOT_VERSION_REGNUM): ...this.
2049         (type): Add "ghost" value.  Add an associated insn reservation.
2050         (hazard_set): Remove.
2051         (exception_receiver): Rename to...
2052         (restore_gp): ...this and update the unspec identifier accordingly.
2053         (exception_receiver, nonlocal_got_receiver): New expanders.
2054         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2055         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2056         (set_got_version, update_got_version): New patterns.
2057
2058 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2059
2060         PR target/34970
2061         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2062
2063 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2064
2065         PR other/31955
2066         * doc/install.texi2html: Generate gcc-vers.texi.
2067
2068 2008-01-25  DJ Delorie  <dj@redhat.com>
2069
2070         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2071
2072 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2073
2074         * config/c4x: Remove directory.
2075         * config.gcc (crx-*, mt-*): Mark obsolete.
2076         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2077         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2078         sh-*-rtemscoff*): Remove cases.
2079         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2080         * real.c (encode_c4x_single, decode_c4x_single,
2081         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2082         c4x_extended_format): Remove.
2083         * real.h (c4x_single_format, c4x_extended_format): Remove.
2084         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2085         on C4x.
2086         (Pragmas): Remove comment about c4x pragmas.
2087         * doc/install.texi (c4x): Remove target-specific instructions.
2088         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2089         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2090         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2091         refer to C4x source files as examples.
2092         (C4X_FLOAT_FORMAT): Remove documentation.
2093
2094 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2095
2096         * config/bfin/bfin.c (override_options): Reorder tests so that
2097         flag_pic gets enabled for -msep-data.
2098
2099 2008-01-25  Richard Guenther  <rguenther@suse.de>
2100
2101         PR middle-end/32244
2102         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2103         to its bitfield precision if required.
2104
2105 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2106
2107         PR middle-end/33880
2108         * tree-nested.c (walk_omp_for): New function.
2109         (convert_nonlocal_reference, convert_local_reference): Call
2110         walk_omp_for on OMP_FOR.
2111         (convert_call_expr): Call walk_body on OMP_FOR's
2112         OMP_FOR_PRE_INIT_BODY.
2113
2114 2008-01-25  Richard Guenther  <rguenther@suse.de>
2115
2116         PR tree-optimization/34966
2117         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2118         default defs and PHI_NODEs we have to insert after the
2119         defining statement.
2120
2121 2008-01-24  Nick Clifton  <nickc@redhat.com>
2122
2123         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2124         Provide a default definition.
2125         (LIBGCC2_UNITS_PER_WORD): Likewise.
2126
2127         * config/stormy16/stormy16.c: Include df.h for the prototype
2128         for df_regs_ever_live_p.
2129         (xstormy16_expand_builtin_va_start): Convert the stack offset
2130         into a component_ref and then use POINTER_PLUS_EXPR to add it
2131         to the incoming_virtual_args_rtx.
2132         (xstormy16_gimplify_va_arg_expr): Rename to
2133         xstormy16_gimplify_va_arg_expr.
2134         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2135         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2136         xstormy16_gimplify_va_arg_expr.
2137         Fix up some formatting issues.
2138
2139         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2140         Move to predicates.md.
2141         (xs_hi_general_operand): Likewise.
2142         (xs_hi_nonmemory_operand): Likewise.
2143         * config/stormy16/predicates.md:
2144         (xstormy16_carry_plus_operand): New predicate.
2145         (xs_hi_general_operand): New predicate.
2146         (xs_hi_nonmemory_operand): New predicate.
2147         * config/stormy16/stormy16-protos.h:
2148         (xstormy16_carry_plus_operand): Delete prototype.
2149         (xs_hi_general_operand): Likewise.
2150         (xs_hi_nonmemory_operand): Likewise.
2151
2152         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2153         modifiers as they are no longer needed and they can trigger
2154         reload spill failures.
2155
2156         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2157         with a match_operand in order to help reload.
2158
2159         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2160         constraint with 'e' for the 8th alternative as this version of
2161         the mov.w instruction only accepts the lower 8 registers.
2162
2163 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2164
2165         PR target/34856
2166         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2167         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2168         vector elements.
2169
2170 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2171
2172         PR middle-end/33333
2173         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2174
2175 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2176
2177         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2178         New functions.
2179         (remove_structure): Update allocations list before removing structure.
2180         
2181 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2182
2183         * ipa-struct-reorg.c (is_safe_cond_expr, 
2184         create_new_stmts_for_cond_expr): Use integer_zerop function,
2185         that recognize not only zero-pointer, but zero-integer too.
2186
2187 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2188
2189         PR other/22232
2190         * fixproto: Escape "." in sed expression that strips leading "./".
2191
2192 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2193
2194         PR driver/34904
2195         * gcc.c (SWITCH_OK): Removed.
2196         (SWITCH_LIVE): Changed to bit.
2197         (SWITCH_FALSE): Likewise.
2198         (SWITCH_IGNORE): Likewise.
2199         (switchstr): Change live_cond to unsigned int.
2200         (process_command): Replace SWITCH_OK with 0.
2201         (do_self_spec): Likewise.
2202         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2203         (give_switch): Likewise.
2204         (used_arg): Likewise.
2205         (do_spec_1): Set the SWITCH_IGNORE bit.
2206         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2207         bits.  Set the SWITCH_LIVE bit.
2208
2209 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2210
2211         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2212
2213 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2214
2215         PR tree-optimization/34472
2216         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2217         parameter to a "bool *" and set *DATA to false if there is
2218         an unsafe access.  Do not delete the structure here.
2219         (check_cond_exprs): Delete it here instead.
2220         (check_cond_exprs, exclude_cold_structs): Do not increase
2221         I when removing a structure.
2222
2223 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2224
2225         PR target/34856
2226         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2227         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2228
2229 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2230
2231         PR middle-end/34934
2232         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2233         a fixed vector for stack.
2234
2235 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2236
2237         PR c++/25701
2238         * doc/gcc.texi (Software development): Add a direntry for g++.
2239         
2240 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2241
2242         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2243         stale and straggling -fforce-addr comments above.
2244
2245         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2246         define.
2247         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2248         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2249
2250 2008-01-23  Michael Matz  <matz@suse.de>
2251
2252         PR debug/34895
2253         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2254         gen_type_die.
2255
2256 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2257
2258         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2259         malloc result type.
2260
2261 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2262
2263         * config/avr/avr.c (avr_current_arch): New variable.
2264         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2265         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2266         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2267         (avr_override_options): Init 'avr_current_arch'. 
2268         (base_arch_s): Move from here...
2269         * config/avr/avr.h (base_arch_s): ... here. Add new members 
2270         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
2271         'mega' to 'have_jmp_call'.
2272         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
2273         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2274         macros.
2275         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
2276         architectures.
2277         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
2278         MULTILIB_MATCHES): (Ditto.).
2279
2280 2008-01-23  Richard Guenther  <rguenther@suse.de>
2281
2282         PR middle-end/31529
2283         * cgraphunit.c (cgraph_reset_node): Always mark the node
2284         not reachable if it is not queued already.
2285
2286 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2287
2288         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2289         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2290         (cputype_selected): New static variable.
2291         (bfin_handle_option): Set it if -mcpu is used.
2292         (override_option): Select default set of workarounds if no cpu type
2293         selected on the command line.
2294         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2295
2296         From  Michael Frysinger  <michael.frysinger@analog.com>
2297         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2298         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2299
2300         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2301         for bf547, bf523, bf524, and bf526.
2302         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2303         bf526.
2304         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2305         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2306         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2307         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2308         * doc/invoke.texi (Blackfin Options): Document that
2309         -mcpu now accept bf547, bf523, bf524, and bf526.
2310
2311 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2312
2313         PR rtl-optimization/34628
2314         * combine.c (try_combine): Stop and undo after the first combination
2315         if an autoincrement side-effect on the first insn has effectively
2316         been lost.
2317
2318 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2319
2320         PR target/34529
2321         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2322         Offset addresses are not valid for Altivec or paired float modes.
2323
2324 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2325
2326         PR c++/34607
2327         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2328         if DECL_INITIAL (decl) is error_mark_node.
2329
2330         PR c++/34914
2331         * c-common.c (handle_vector_size_attribute): Only allow
2332         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2333         the same way as pointer, array etc. types.
2334         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2335
2336         PR c++/34917
2337         * tree.c (build_type_attribute_qual_variant): Call
2338         build_qualified_type if attributes are equal, but quals are not.
2339
2340 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2341
2342         PR 32102
2343         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2344         * flags.h (warn_strict_aliasing): Remove.
2345         (warn_strict_overflow): Remove.
2346         * opts.c (warn_strict_aliasing): Remove.
2347         (warn_strict_overflow): Remove.
2348         * c-opts.c (c_common_handle_option): -Wall only sets
2349         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2350         (c_common_post_options): Give default values to -Wstrict-aliasing
2351         and -Wstrict-overflow if they are uninitialized.
2352         * common.opt (Wstrict-aliasing): Specify Var and Init.
2353         (Wstrict-overflow): Likewise.
2354
2355 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2356
2357         PR rtl-optimization/26854
2358         PR rtl-optimization/34400
2359         PR rtl-optimization/34884
2360         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2361         DF_RD->gen.
2362         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2363         (df_rd_bb_info.expanded_lr_out): Deleted
2364         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2365         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2366         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2367         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2368         Removed code to allocate, initialize or free expanded_lr_out.
2369         (df_rd_bb_local_compute_process_def): Restructured to make more
2370         understandable.
2371         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2372         sets if the sets are being trimmed.
2373
2374 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2375
2376         PR bootstrap/32287
2377         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2378         (as_vers): Likewise.
2379         * configure: Regenerated.
2380
2381 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2382
2383         PR middle-end/33092
2384         * tree-pass.h (pass_build_alias): New pass.
2385         * tree-ssa-alias.c (gate_build_alias): New.
2386         (pass_build_alias): New.
2387         * passes.c (init_optimization_passes): Add pass_build_alias after
2388         pass_create_structure_vars.
2389
2390 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2391
2392         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2393         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2394         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2395         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2396         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2397         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2398         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2399         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2400         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2401         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2402         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2403         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2404         * config/s390/s390.md (FP_ALL): New mode iterator.
2405         (_d): New mode attribute.
2406         ("*signbit<mode>2>"): Changed mode of first operand.
2407         ("isinf<mode>2"): Changed mode of first operand.
2408         ("*TDC_insn"): Adaptation for DFP modes.
2409
2410 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2411
2412         * tree.c (check_qualified_type): Improve function description.
2413
2414 2008-01-21  Jason Merrill  <jason@redhat.com>
2415
2416         PR c++/34196
2417         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2418         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2419         if it is set.
2420
2421 2008-01-21  DJ Delorie  <dj@redhat.com>
2422
2423         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2424         return zero.
2425
2426 2008-01-21  Richard Guenther  <rguenther@suse.de>
2427
2428         PR middle-end/34856
2429         * tree-cfg.c (verify_expr): Allow all invariant expressions
2430         instead of just constant class ones as reference argument.
2431         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2432         like any other constant.
2433         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2434
2435 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2436
2437         * regmove.c (fixup_match_1): Update call crossed frequencies.
2438
2439 2008-01-21  Richard Guenther  <rguenther@suse.de>
2440
2441         PR c/34885
2442         * tree-inline.c (setup_one_parameter): Deal with mismatched
2443         types using a VIEW_CONVERT_EXPR.
2444
2445 2008-01-21  Alon Dayan  <alond@il.ibm.com>
2446             Olga Golovanevsky  <olga@il.ibm.com>
2447         
2448         PR tree-optimization/34701
2449         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
2450         when the structure size is not a power of 2.
2451
2452 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
2453
2454         * doc/install.texi: Add doc for --enable-checking=df.
2455         
2456 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2457
2458         PR rtl-optimization/34808
2459         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
2460
2461 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2462
2463         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
2464         input.
2465
2466 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2467
2468         PR rtl-optimization/26854
2469         PR rtl-optimization/34400
2470         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
2471         DF_RD->gen.
2472         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
2473         (df_rd_bb_info.expanded_lr_out): New.
2474         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
2475         * loop_iv.c (iv_analysis_loop_init): Ditto.
2476         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2477         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2478         Added code to allocate, initialize or free expanded_lr_out.
2479         (df_rd_bb_local_compute_process_def): Restructured to make
2480         more understandable.
2481         (df_rd_confluence_n): Add code to do nothing with fake edges and
2482         code to no apply invalidate_by_call sets if the sets are being trimmed.
2483         (df_lr_local_finalize): Renamed to df_lr_finalize.
2484         (df_live_local_finalize): Renamed to df_live_finalize.
2485
2486 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2487
2488         PR target/34831
2489         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
2490         deciding whether to use reciprocal instructions.
2491
2492 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
2493
2494         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
2495         dwarf2out_note_section_used if cold_text_section is NULL.
2496
2497 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
2498
2499         PR gcov-profile/34610
2500         * tree-cfg.c (make_edges): Mark both outgoing edges from
2501         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
2502         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
2503         from OMP_FOR and OMP_CONTINUE outgoing edges.
2504
2505         * tree-profile.c (tree_profiling): Return early if
2506         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
2507         at the end.
2508         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
2509         from cfun to child_cfun.
2510         * function.h (struct function): Add after_tree_profile bit.
2511
2512 2008-01-19 Anatoly Sokolov <aesok@post.ru>
2513
2514         * config/avr/avr.S (_exit): Disable interrupt.
2515
2516 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
2517             Steven Bosscher  <stevenb.gcc@gmail.com>
2518
2519         PR rtl-optimization/26854
2520         PR rtl-optimization/34400
2521         * df-problems.c (df_live_scratch): New scratch bitmap.
2522         (df_live_alloc): Allocate df_live_scratch when doing df_live.
2523         (df_live_reset): Clear the proper bitmaps.
2524         (df_live_bb_local_compute): Only process the artificial defs once
2525         since the order is not important.
2526         (df_live_init): Init the df_live sets only with the variables
2527         found live by df_lr.
2528         (df_live_transfer_function): Use the df_lr sets to prune the
2529         df_live sets as they are being computed.  
2530         (df_live_free): Free df_live_scratch.
2531
2532 2008-01-18  Ian Lance Taylor  <iant@google.com>
2533
2534         * common.opt: Add fmerge-debug-strings.
2535         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
2536         flag_merge_debug_strings rather than flag_merge_constants.
2537         * doc/invoke.texi (Option Summary): Mention
2538         -fmerge-debug-strings.
2539         (Debugging Options): Document -fmerge-debug-strings.
2540
2541 2008-01-18  Ian Lance Taylor  <iant@google.com>
2542
2543         PR c++/33407
2544         * tree.h (DECL_IS_OPERATOR_NEW): Define.
2545         (struct tree_function_decl): Add new field operator_new_flag.
2546         * tree-inline.c (expand_call_inline): When inlining a call to
2547         operator new, force the return value to go into a variable, and
2548         set DECL_NO_TBAA_P on that variable.
2549         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
2550
2551 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
2552
2553         PR debug/34484
2554         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
2555         DWARF2_DEBUGGING_INFO.
2556         (dwarf2out_note_section_used): Ditto.  Add prototype.
2557         (have_multiple_function_sections, text_section_used,
2558         cold_text_section_used, *cold_text_sections): Move declarations
2559         before their uses.
2560
2561 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
2562
2563         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
2564         field and add signal_ra.
2565         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
2566         assignments to frame state pc.  Move end of stack check after
2567         MD_FALLBACK_FRAME_STATE_FOR.
2568         (uw_update_context_1): Use frame state signal_regs if set, instead
2569         of checking signal_frame flag.
2570         (uw_update_context): Use frame state signal_ra if set.
2571         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
2572         * config/xtensa/linux-unwind.h: New file.
2573
2574 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
2575
2576         * modulo-sched.c (get_sched_window): Fix comment typo.
2577
2578 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
2579
2580         PR tree-optimization/34648
2581         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
2582
2583 2008-01-17  Anatoly Sokolov <aesok@post.ru>
2584
2585         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
2586         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
2587
2588 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
2589
2590         PR rtl-optimization/34400
2591         * df-core.c (df_worklist_dataflow_overeager,
2592         df_worklist_dataflow_doublequeue): New functions.
2593         (df_worklist_dataflow): Two different worklist solvers.
2594         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
2595         New param.
2596
2597 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2598
2599         PR testsuite/34821
2600         * doc/invoke.texi: Document the dependence on pthread for fopenmp
2601         and ftree-parallelize-loops.
2602
2603 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
2604
2605         PR rtl-optimization/34826
2606         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
2607
2608 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2609
2610         * global.c (find_reg): Mark the eh regs as used if necessary.
2611         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
2612         * ra.h (struct allocno): no_eh_reg field added.  Changed
2613         no_stack_reg type to bitfield.
2614
2615 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
2616
2617         * tree.c (substitute_in_expr): Add missing 'break'.
2618
2619 2008-01-17  Richard Guenther  <rguenther@suse.de>
2620
2621         PR tree-optimization/34825
2622         * tree-ssa-math-opts.c (is_division_by): Do not recognize
2623         x / x as division to handle.
2624
2625 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2626
2627         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
2628         "-pthread" is specified.
2629         * pa-hpux11.h (LIB_SPEC): Likewise.
2630
2631 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
2632             Peter Bergner  <bergner@vnet.ibm.com>
2633
2634         PR rtl-optimization/33796
2635         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
2636
2637 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2638
2639         PR libgfortran/34699
2640         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
2641         static links.
2642         * pa-hpux10.h (LINK_SPEC): Likewise.
2643         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
2644
2645 2008-01-16  Richard Guenther  <rguenther@suse.de>
2646
2647         PR middle-end/32628
2648         * fold-const.c (fold_convert_const_int_from_int): Do not
2649         set overflow if that occured only because of a sign extension
2650         change when converting from/to a sizetype with the same
2651         precision and signedness.
2652
2653 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2654
2655         PR debug/34249
2656         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
2657         location address to the correct place.  Update copyright year.
2658
2659 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2660
2661         * lambda-code.c (lambda_transform_legal_p): Handle the case of
2662         no dependences in the dependence_relations vector.
2663
2664 2008-01-16  Jan Hubicka  <jh@suse.cz>
2665
2666         PR rtl-optimization/31396
2667         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
2668         * cfg.c (dump_reg_info): Print it.
2669         * regs.h (struct reg_info_t): add freq_calls_crossed.
2670         (REG_FREQ_CALLS_CROSSED): New macro.
2671         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
2672         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
2673         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2674         regmove_optimize): Update call crossed frequencies.
2675         * local-alloc.c (struct qty): Add freq_calls_crossed.
2676         (alloc_qty): Copute freq_calls_crossed.
2677         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
2678         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
2679         * ra.h (struct allocno): Add freq_calls_crossed.
2680
2681 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2682
2683         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
2684         libgomp when compiling with ftree-parallelize-loops.
2685         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
2686
2687 2008-01-16  Richard Guenther  <rguenther@suse.de>
2688
2689         PR tree-optimization/34769
2690         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
2691         * tree.c (int_cst_value): Instead make this function more
2692         permissive in what it accepts as valid input.  Document this
2693         function always sign-extends the value.
2694
2695 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
2696             Richard Guenther  <rguenther@suse.de>
2697
2698         PR c/34668
2699         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
2700         (gimple_fold_indirect_ref_rhs): ... this.
2701         (gimple_fold_indirect_ref): New function with foldings
2702         that preserve lvalueness.
2703         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
2704         * tree-flow.h (gimple_fold_indirect_ref): Declare.
2705         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
2706         to fold an INDIRECT_REF, fall back to the old use of
2707         fold_indirect_ref_1.
2708
2709 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2710
2711         * tree-data-ref.c (subscript_dependence_tester_1): Call 
2712         free_conflict_function.
2713         (compute_self_dependence): Same.
2714
2715 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2716
2717         PR debug/34249
2718         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
2719         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
2720         function global.
2721         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
2722         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
2723         for DWARF2_UNWIND_INFO targets.
2724
2725 2008-01-16  Richard Guenther  <rguenther@suse.de>
2726
2727         PR c/34768
2728         * c-typeck.c (common_pointer_type): Do not merge inconsistent
2729         type qualifiers for function types.
2730
2731 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
2732
2733         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
2734         loop_iterator li from previous commit.
2735
2736 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2737
2738         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
2739
2740 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2741
2742         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
2743         (parallelize_loops): Don't parallelize irreducible components.
2744
2745 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2746
2747         PR c++/24924
2748         * c-opts (c_common_post_options): Do not enable CPP
2749         flag_pedantic_errors by default.
2750         
2751 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
2752
2753         PR rtl-optimization/31944
2754         * cse.c (remove_pseudo_from_table): New function.
2755         (merge_equiv_classes): Use above function to remove pseudo-registers.
2756         (invalidate): Likewise.
2757
2758 2008-01-13  Richard Guenther  <rguenther@suse.de>
2759
2760         PR middle-end/34601
2761         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
2762         instead of TYPE_MODE to deal with calls from expand_one_error_var.
2763
2764 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
2765
2766         * gcse.c (cprop_jump): Call validate_unshare_change instead of
2767         validate_change to unshare the source of the PC set.
2768
2769 2008-01-12  Jan Hubicka  <jh@suse.cz>
2770
2771         PR middle-end/32135
2772         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
2773         references above array bounds.  This might trigger bounds checks for
2774         pointers to arrays.
2775
2776 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2777
2778         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
2779         new_replaceable_dependencies.
2780
2781 2008-01-12  Doug Kwan  <dougkwan@google.com>
2782
2783         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
2784         instead of OPT_Wreturn_type in warning due to ignored return type
2785         qualifiers.
2786         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
2787         options included in -Wextra.
2788         * c.opt: New option -Wignored_qualifiers.
2789         * doc/invoke.texi (Warning Options, -Wextra): Add new option
2790         -Wignore_qualifiers.
2791         (-Wignored-qualifiers): Document.
2792         (-Wreturn-type): Remove description of functionality now handled
2793         by -Wignored-qualifiers.
2794
2795 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
2796
2797         PR ada/33788
2798         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
2799         NOP_EXPR if it is between integral types with the same precision.
2800
2801 2008-01-12  Jan Hubicka  <jh@suse.cz>
2802
2803         PR other/28023
2804         * invoke.texi (max-inline-recursive-depth): Fix default value.
2805
2806 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
2807
2808         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
2809         correct type.
2810
2811 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
2812         
2813         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
2814         
2815 2008-01-11  James E. Wilson  <wilson@specifix.com>
2816
2817         PR target/26015
2818         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
2819
2820 2008-01-11  Anatoly Sokolov <aesok@post.ru>
2821
2822         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
2823         save/restore frame pointer register and don't use 'call-prologues' 
2824         optimization in function with "OS_task" attribute.
2825
2826 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2827
2828         PR middle-end/31309
2829         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
2830         when copying to memory.
2831
2832 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
2833
2834         PR rtl-optimization/30905
2835         * cfgcleanup.c: Include dce.h
2836         (crossjumps_occured): New global variable.
2837         (try_crossjump_bb): Exit loop after finding a fallthru edge.
2838         If something changed, set crossjumps_occured to true.
2839         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
2840         Don't add/remove fake edges to exit here...
2841         (cleanup_cfg): ...but do it here, when crossjumping.
2842         Run a fast DCE when successful crossjumps occured in the latest
2843         iteration of try_optimize_cfg.
2844
2845 2008-01-11  Richard Guenther  <rguenther@suse.de>
2846
2847         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
2848         (struct vn_unary_op_s): Likewise.
2849         (vn_reference_insert): Free old reference on hash collision.
2850
2851 2008-01-10  Raksit Ashok  <raksit@google.com>
2852
2853         PR rtl-optimization/27971
2854         * combine.c (find_split_point): Split PLUS expressions which are
2855         inside a MEM rtx, and whose first operand is complex.
2856
2857 2008-01-10  DJ Delorie  <dj@redhat.com>
2858
2859         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
2860         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
2861         (m32c_hard_regno_ok): Call the underlying function.
2862
2863 2008-01-10  Richard Guenther  <rguenther@suse.de>
2864
2865         PR middle-end/34683
2866         * tree-cfg.c (tree_merge_blocks): Do not go through the
2867         full-blown folding and stmt updating path if we just deal
2868         with virtual operands.
2869         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
2870         test for abnormal SSA_NAMEs.
2871
2872 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2873
2874         PR middle-end/34641
2875         * reload.c (push_reload): Add assertions.  All constants from
2876         reg_equiv_constant should have been used for replacing the respective
2877         pseudo earlier.
2878         (find_reloads_address): Invoke find_reloads_address_part for
2879         constant taken from the reg_equiv_constant array.
2880
2881 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
2882
2883         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
2884         field (valnum) the first in the struct.  Replace bools with
2885         unit bit fields.
2886
2887 2008-01-10  Richard Guenther  <rguenther@suse.de>
2888
2889         PR tree-optimization/34651
2890         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
2891         types and ordering for masking and converting.
2892
2893 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
2894
2895         PR tree-optimization/34017
2896         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
2897         also for PHI_NODE expressions.
2898
2899 2008-01-09  Jan Hubicka  <jh@suse.cz>
2900
2901         PR tree-optimization/34708
2902         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
2903         based on number of case labels.
2904         (init_inline_once): Remove switch_cost.
2905         * tree-inline.h (eni_weights_d): Remove switch_cost.
2906
2907 2008-01-09  Richard Guenther  <rguenther@suse.de>
2908         Andrew Pinski  <andrew_pinski@playstation.sony.com>
2909
2910         PR middle-end/30132
2911         * gimplify.c (gimplify_cond_expr): Do not create an addressable
2912         temporary if an rvalue is ok or an lvalue is not required.
2913
2914 2008-01-09  Richard Guenther  <rguenther@suse.de>
2915
2916         PR middle-end/34458
2917         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
2918         adjust return type.
2919
2920 2008-01-09  Richard Guenther  <rguenther@suse.de>
2921
2922         PR middle-end/34679
2923         * tree.c (host_integerp): Check for sizetype only if the
2924         type is an integer type.
2925
2926 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
2927
2928         PR debug/26364
2929         * opts.c (decode_options): Disable inlining of functions called
2930         once if not in unit-at-a-time mode.
2931
2932 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
2933
2934         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
2935
2936 2008-01-08  Richard Guenther  <rguenther@suse.de>
2937
2938         PR middle-end/31863
2939         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
2940         out early if the result will be unused.
2941
2942 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
2943
2944         PR target/34709
2945         Revert:
2946
2947         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
2948         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2949         for TARGET_RECIP.       
2950         
2951 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
2952         
2953         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
2954         for vectorization tuned.
2955         
2956 2008-01-08  Richard Guenther  <rguenther@suse.de>
2957
2958         PR tree-optimization/34683
2959         * tree-ssa-operands.c (operand_build_cmp): Export.
2960         * tree-ssa-operands.h (operand_build_cmp): Declare.
2961         * tree-vn.c (vuses_compare): Remove.
2962         (sort_vuses): Use operand_build_cmp.
2963         (sort_vuses_heap): Likewise.
2964         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
2965         to re-use old VEC if available.  Do not sort already sorted VUSEs.
2966         (vdefs_to_vec): Do not sort already sorted VDEFs.
2967
2968 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
2969
2970         PR middle-end/34694
2971         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
2972
2973 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
2974
2975         PR target/34702
2976         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
2977         limitations of reciprocal sequences on x86 targets.
2978
2979 2008-01-08  Richard Guenther  <rguenther@suse.de>
2980
2981         PR tree-optimization/34683
2982         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
2983
2984 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
2985
2986         PR target/34622
2987         * config/darwin.c (darwin_mergeable_string_section): Don't use
2988         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
2989
2990 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
2991
2992         PR target/34682
2993         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
2994         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
2995         predicates of op0 and op1 to register_operand.
2996         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
2997         expander using X87MODEF mode iterator.  Change predicates of
2998         op0 and op1 to register_operand.
2999         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3000         corresponding patterns and macroize using MODEF macro.  Change
3001         predicates of op0 and op1 to register_operand and remove
3002         "m" constraint. Disparage "r" alternative with "!".
3003         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3004         macroize using X87MODEF macro.  Change predicates of op0 and op1
3005         to register_operand and remove "m" constraint.  Disparage "r"
3006         alternative with "!".
3007         (absneg splitter with memory operands): Remove.
3008         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3009         patterns and macroize using X87MODEF mode iterator.
3010         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3011         Change predicate of op1 to register_operand.
3012         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3013         for memory operands.
3014
3015 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3016
3017         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3018
3019 2008-01-07  Richard Guenther  <rguenther@suse.de>
3020
3021         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3022         fields.
3023
3024 2008-01-07  Richard Guenther  <rguenther@suse.de>
3025
3026         PR tree-optimization/34683
3027         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3028         VOPs of the needed size to save memory.  Use VEC_quick_push
3029         to save compile-time.
3030         (vdefs_to_vec): Likewise.
3031
3032 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3033
3034         * config/spu/spu.md (divdf3): Genetate inline code for double
3035         division.  The implementation doesn't handle INF or NAN, therefore it
3036         only applies when -ffinite-math-only is given.
3037
3038 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3039
3040         PR libstdc++/34680
3041         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3042         * doc/cpp.texi ([Common Predefined Macros]): Document.
3043
3044 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3045
3046         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3047         order to use commutative addition instead of subtraction.
3048
3049 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3050             Mircea Namolaru  <namolaru@il.ibm.com>
3051             Vladimir Yanovsky  <yanov@il.ibm.com>
3052             Revital Eres  <eres@il.ibm.com>
3053
3054         PR tree-optimization/34263
3055         * tree-outof-ssa.c (process_single_block_loop_latch,
3056         contains_tree_r): New functions.
3057         (analyze_edges_for_bb): Call process_single_block_loop_latch
3058         function to empty single-basic-block latch block if possible.
3059
3060 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3061
3062         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3063         for TARGET_RECIP.
3064         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3065
3066 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3067
3068         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3069
3070 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3071
3072         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3073
3074 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3075
3076         PR tree-optimization/34618
3077         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3078         flag from T.
3079
3080 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3081
3082         PR target/34673
3083         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3084         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3085         Update copyright year.
3086
3087         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3088         Update copyright year.
3089         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3090         using NR fixup.
3091
3092 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3093
3094         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3095         edge does not point to current bb before changing need_assert.
3096
3097 2008-01-04  Richard Guenther  <rguenther@suse.de>
3098
3099         PR middle-end/34029
3100         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3101         for verifying purposes if they are is_gimple_min_invariant.
3102
3103 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3104
3105         PR tree-optimization/34448
3106         PR tree-optimization/34465
3107         * gimplify.c (gimplify_init_constructor): Add new parameter
3108         notify_temp_creation.  Use it.
3109         (gimplify_modify_expr_rhs): Take volatiles into account when
3110         optimizing constructors.
3111         Do not optimize constructors if gimplify_init_constructor will dump to
3112         memory.
3113         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3114         * gcc.c-torture/compile/pr34448.c: New.
3115
3116 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3117
3118         PR gcov-profile/34609
3119         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3120         return_slot if result is TREE_ADDRESSABLE.
3121
3122 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3123
3124         * config/mips/mips.md (sqrt_condition): Tweak comment.
3125         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3126
3127 2008-01-03  Tom Tromey  <tromey@redhat.com>
3128
3129         PR c/34457
3130         * c-common.c (c_type_hash): Handle VLAs.
3131
3132 2008-01-03  Jan Hubicka  <jh@suse.cz>
3133
3134         PR tree-optimization/31081
3135         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3136         0 when inlining and not inlining to first basic block.
3137         (remap_decl): When var is initialized to 0, don't set default_def.
3138         (expand_call_inline): Set entry_bb.
3139         * tree-inline.h (copy_body_data): Add entry_bb.
3140
3141 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3142
3143         PR c++/34619
3144         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3145         before returning.
3146
3147         PR tree-optimization/29484
3148         * tree-inline.c (inline_forbidden_p_2): New function.
3149         (inline_forbidden_p): Disallow inlining if some static var
3150         has an address of a local LABEL_DECL in its initializer.
3151         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3152         vs. inlining.
3153
3154 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3155
3156         PR tree-optimization/34635
3157         * tree-data-ref.c (add_other_self_distances): Make sure that the
3158         evolution step is constant.
3159
3160 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3161
3162         PR middle-end/34608
3163         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3164
3165 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3166
3167         * tree-sra.c (scalarize_init): Insert the generate_element_init
3168         statements after the generate_element_zero statements.
3169
3170 2008-01-02  Richard Guenther  <rguenther@suse.de>
3171
3172         PR middle-end/34093
3173         PR middle-end/31976
3174         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3175         for very large number of operands instead of ICEing.
3176
3177 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3178
3179         PR target/34013
3180         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3181         while stack probing.
3182
3183 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3184
3185         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3186         in C++0x mode.
3187
3188 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3189
3190         PR libmudflap/26442
3191         * tree-mudflap.c (mx_register_decls): Guard warning by
3192         !DECL_ARTIFICIAL check.
3193
3194 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3195
3196         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3197         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3198         sse5_perm<mode>): Fix constraints.