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1 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2
3         PR driver/35420
4         * gcc.c (process_command): Update copyright notice dates.
5         * gcov.c (print_version): Likewise.
6         * gcov-dump.c (print_version): Likewise.
7         * mips-tfile.c (main): Likewise.
8         * mips-tdump.c (main): Likewise.
9
10 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11
12         PR 24924
13         * c-common.c (flag_permissive): Delete.
14         (constant_expression_warnings): Check flags first.
15         (constant_expression_error): New.
16         * c-common.h (flag_permissive): Delete.
17         (constant_expression_error): Declare.
18         * flags.h (flag_permissive): Declare. Update description.
19         * diagnostic.c (pedwarn): Update.
20         (permerror): New.
21         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
22         (permissive_error_kind): New.
23         * toplev.c (flag_permissive): Define. Update description.
24         * toplev.h (permissive_error_kind): Declare.
25         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
26         (pedwarn_c90): Use pedantic_warning_kind.
27         * c-opts.c (c_common_post_options): flag_permissive does not affect
28         flag_pedantic_errors.
29
30 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
31
32         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
33         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
34         __absvsi2, __absvDI2): Use unsigned arithmetic.
35
36 2008-03-02  Andi Kleen  <ak@suse.de>
37         Richard Guenther  <rguenther@suse.de>
38
39         * struct-equiv.c: Remove file.
40         * cfg_cleanup.c (condjump_equiv_p): Remove.
41         * Makefile.in (OBJS-common): Remove struct-equiv.o.
42         (struct-equiv.o): Remove rule.
43         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
44         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
45         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
46
47 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
48
49         * ifcvt.c (noce_process_if_block): Try to handle only the then
50         block if the else block exists but isn't suitable.
51
52 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
53
54         PR gcc/35063
55         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
56         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
57         regression from previous patch.
58
59 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
60
61         PR gcc/35063
62         * gthr.h: Add __gthread_mutex_destroy as a function that must be
63         implemented.
64         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
65         * gthr-single.h (__gthread_mutex_destroy): Likewise.
66         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
67         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
68         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
69         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
70         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
71         (__gthread_mutex_destroy_function): Rename to
72         __gthread_mutex_destroy.
73         * gthr-dce.h (__gthread_mutex_destroy): Call
74         pthread_mutex_destroy.
75         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
76         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
77         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
78
79 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
80
81         * df-scan.c (df_ref_chain_change_bb): Simplify.
82         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
83         set_block_for_insn if there's any change.
84         * df.h ((df_insn_change_bb): Fix prototype.
85         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
86         df_insn_change_bb, don't call set_block_for_insn.
87         * emit-rtl.c (reorder_insns): Likewise.
88         * haifa-sched.c (move_insn): Likewise.
89
90 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
91
92         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
93
94 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
95
96         * tree-flow-inline.h (next_readonly_imm_use): Return
97         NULL_USE_OPERAND_P after the end.
98
99 2008-03-01  Richard Guenther  <rguenther@suse.de>
100
101         PR tree-optimization/35411
102         * tree-sra.c (sra_build_assignment): Split conversion to
103         final type to a separate statement if we are not assigning
104         to a register.
105
106 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
107
108         * fold-const.c (fold_convertible_p): Correct the logic to follow
109         that in fold_convert().
110
111 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
112
113         PR c++/35315
114         * tree-inline.c (build_duplicate_type): When we make a
115         duplicate type, make it unique in the canonical types system.
116
117 2008-02-29  Tom Tromey  <tromey@redhat.com>
118
119         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
120         input_file_stack_history, input_file_stack_restored): Remove.
121         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
122         * input.h (struct file_stack): Remove.
123         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
124         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
125         Likewise.
126         * diagnostic.h (struct diagnostic_context) <last_module>: Change
127         type.
128         (diagnostic_last_module_changed): Add 'map' argument.
129         (diagnostic_set_last_function): Likewise.
130         * diagnostic.c (undiagnostic_report_current_module): Iterate using
131         line map, not input_file_stack.
132         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
133
134 2008-02-29  Paul Brook  <paul@codesourcery.com>
135
136         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
137
138 2008-02-29  Paul Brook  <paul@codesourcery.com>
139
140         * config/arm/ieee754-df.S (muldf3): Use RET macros.
141
142 2008-02-29  Richard Guenther  <rguenther@suse.de>
143
144         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
145         vn_lookup_or_add.
146         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
147         value for comparing for a store match.
148         (simplify_unary_expression): Do nothing for SSA_NAMEs.
149         (try_to_simplify): Do not do a full-blown reference lookup.
150
151 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
152
153         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
154         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
155
156         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
157
158 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
159
160         * tree-loop-linear.c (try_interchange_loops): Compare memory access
161         strides against cache sizes.
162
163 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
164
165         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
166         constant to fpul.
167
168 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
169
170         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
171         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
172         is smaller than the original promoted value.
173         (simplify_subreg): If OP is a SUBREG, try to preserve its
174         SUBREG_PROMOTED_VAR_P information.
175
176 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
177
178         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
179         (VN_INFO_GET): Allocate new objects on the obstack.
180         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
181         for rpo_numbers_temp, for consistency.
182         (free_scc_vn): Free the obstack.
183
184 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
185
186         * doc/invoke.texi: Document -ftree-loop-distribution.
187         * tree-loop-distribution.c: New.
188         * tree-pass.h (pass_loop_distribution): New.
189         * graphds.h (struct graph): Add htab_t indices.
190         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
191         * tree-vectorizer.c (rename_variables_in_loop): Extern.
192         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
193         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
194         * tree-data-ref.c (debug_data_dependence_relations): New.
195         (dump_data_dependence_relation): Also print data references.
196         (free_data_ref): Extern.
197         (same_access_functions): Moved...
198         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
199         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
200         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
201         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
202         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
203         (stmts_from_loop): Skip LABEL_EXPR.
204         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del): New.
205         (build_rdg): Initialize rdg->indices htab.
206         (free_rdg, stores_from_loop, ref_base_address,
207         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
208         have_similar_memory_accesses_1, ref_base_address_1,
209         remove_similar_memory_refs): New.
210         * tree-data-ref.h: Depend on tree-chrec.h.
211         (debug_data_dependence_relations, free_data_ref): Declared.
212         (same_access_functions): ... here.
213         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level): New.
214         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
215         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
216         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
217         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
218         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
219         rdg_vertex_for_stmt): Declared.
220         (struct rdg_edge): Add level.
221         (RDGE_LEVEL): New.
222         (free_rdg, stores_from_loop, remove_similar_memory_refs,
223         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses): Declared.
224         (rdg_has_similar_memory_accesses): New.
225         * tree-vect-analyze.c: Remove unused static decls.
226         * lambda.h (dependence_level): New.
227         * common.opt (ftree-loop-distribution): New.
228         * tree-flow.h (mark_virtual_ops_in_bb, 
229         slpeel_tree_duplicate_loop_to_edge_cfg,
230         rename_variables_in_loop): Declared.
231         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
232         (OBJS-common): Add tree-loop-distribution.o.
233         (tree-loop-distribution.o): New rule.
234         * tree-cfg.c (mark_virtual_ops_in_bb): New.
235         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
236         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
237
238 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
239
240         PR target/33963
241         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
242         other than structures and unions.
243
244 2008-02-28  Richard Guenther  <rguenther@suse.de>
245
246         Revert:
247         2008-02-26  Richard Guenther  <rguenther@suse.de>
248
249         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
250         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
251         (lookup_decl_from_uid): Declare.
252         (remove_decl_from_map): Likewise.
253         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
254         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
255         (decl_for_uid_map): New global hashtable mapping DECL_UID
256         to the decl tree.
257         (init_ttree): Allocate it.
258         (insert_decl_to_uid_decl_map): New helper function.
259         (make_node_stat): Insert new decls into the map.
260         (copy_node_stat): Likewise.
261         (lookup_decl_from_uid): New function.
262         (remove_decl_from_map): Likewise.
263         (print_decl_for_uid_map_statistics): New helper.
264         (dump_tree_statistics): Call it.
265
266         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
267         (referenced_var_iterator): Adjust.
268         (FOR_EACH_REFERENCED_VAR): Adjust.
269         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
270         (num_referenced_vars): Adjust.
271         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
272         (first_referenced_var): Remove.
273         (end_referenced_vars_p): Likewise.
274         (next_referenced_var): Likewise.
275         (referenced_var_iterator_set): New helper function.
276         * tree-dfa.c (referenced_var_lookup): Adjust.
277         (referenced_var_check_and_insert): Likewise.
278         (remove_referenced_var): Likewise.
279         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
280         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
281         (verify_call_clobbering): Likewise.
282         (verify_memory_partitions): Likewise.
283         (init_tree_ssa): Allocate bitmap instead of hashtable for
284         referenced_vars.
285         (delete_tree_ssa): Adjust.
286         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
287         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
288         (compute_tag_properties): Likewise.
289         (set_initial_properties): Likewise.
290         (find_partition_for): Likewise.
291         (update_reference_counts): Likewise.
292         (dump_may_aliases_for): Likewise.
293         * tree-ssa-operands.c (add_virtual_operand): Likewise.
294         (add_call_clobber_ops): Likewise.
295         (add_call_read_ops): Likewise.
296         (get_asm_expr_operands): Likewise.
297         * tree-into-ssa.c (dump_decl_set): Likewise.
298         (update_ssa): Likewise.
299         * tree-sra.c (scan_function): Likewise.
300         (decide_instantiations): Likewise.
301         (scalarize_parms): Likewise.
302         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
303         (dsa_named_for): Likewise.
304         * tree-ssa-structalias.c (update_alias_info): Likewise.
305         (merge_smts_into): Likewise.
306
307 2008-02-27  David Daney  <ddaney@avtrex.com>
308
309         PR target/34409
310         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
311         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
312         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
313         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
314         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
315
316 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
317
318         PR target/25477
319         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
320         (BUILT_IN_NEXTTOWARD): Remove.
321         (BUILT_IN_NEXTTOWARDF): Ditto.
322         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
323         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
324
325 2008-02-27  Tom Tromey  <tromey@redhat.com>
326
327         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
328         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
329
330 2008-02-27  Jan Beulich  <jbeulich@novell.com>
331
332         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
333         update the respective field on newdecl.
334
335 2008-02-27  Revital Eres  <eres@il.ibm.com>
336
337         PR rtl-optimization/34999
338         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
339         crossing edges that ends with a call insn.
340         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
341         call insn and clear the EDGE_CROSSING flag of the crossing edge
342         when fixing fallthru edges.
343
344 2008-02-27  Richard Guenther  <rguenther@suse.de>
345
346         PR middle-end/35390
347         * fold-const.c (fold_unary): Return the correct argument,
348         converted to the result type.
349
350 2008-02-27  Richard Guenther  <rguenther@suse.de>
351
352         PR middle-end/34971
353         * expr.c (expand_expr_real_1): Assert on rotates that operate
354         on partial modes.
355         * fold-const.c (fold_binary): Use the types precision, not the
356         bitsize of the mode if folding rotate expressions.  Build rotates
357         only for full modes.
358
359 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
360
361         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
362         and CPP_PRAGMA_EOL.
363         * c-pragma.c (pragma_ns_name): New typedef.
364         (registered_pp_pragmas): New variable.
365         (c_pp_lookup_pragma): New function.
366         (c_register_pragma_1): If flag_preprocess_only, do nothing
367         for non-expanded pragmas, for expanded ones push pragma's
368         namespace and name into registered_pp_pragmas vector.
369         (c_invoke_pragma_handler): Register OpenMP pragmas even when
370         flag_preprocess_only, don't register GCC pch_preprocess
371         pragma if flag_preprocess_only.
372         * c-opts.c (c_common_init): Call init_pragma even if
373         flag_preprocess_only.
374         * c-pragma.c (c_pp_lookup_pragma): New prototype.
375         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
376         cpp_register_pragma if flag_preprocess_only.
377
378 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
379
380         PR c/28800
381         * c-parser.c (c_parser_translation_unit): Warn for empty
382         translation unit, not empty source file.
383
384 2008-02-26  Paul Brook  <paul@codesourcery.com>
385
386         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
387         operand for Thumb-2.
388         * config/arm/arm.h (reg_class): Add CORE_REGS.
389         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
390         (BASE_REG_CLASS): Use CORE_REGS.
391         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
392         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
393         (REGNO_OK_FOR_INDEX_P): Exclude SP.
394         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
395         ARM_REGNO_OK_FOR_INDEX_P.
396         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
397         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
398         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
399         (ldm/stm peepholes): Ditto.
400         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
401         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
402         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
403         * config/arm/constraints.md: Enable "k" constraint on ARM.
404
405 2008-02-27  Ben Elliston  <bje@au.ibm.com>
406
407         * config/rs6000/rs6000.c: Annotate cache line size field in all
408         instances of struct processor_costs.
409
410 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
411
412         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
413         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
414         jump_bypass): New counters.
415         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
416         * dce.c (gate_ud_dce): Same.
417         (gate_fast_dce): Same.
418         * dse.c (gate_dse1): New function.
419         (gate_dse2): New function.
420         (gate_dse): Merge results of new gate functions.
421         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
422         (gate_handle_jump_bypass): Add dbg_cnt.
423         (gate_handle_gcse): Add dbg_cnt.
424         * ifcvt.c (gate_handle_if_conversion): Same.
425         (gate_handle_if_after_combine): Same.
426         (gate_handle_if_after_reload): Same.
427         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
428
429 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
430
431         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
432         line sizes.
433         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
434
435 2008-02-26  Jason Merrill  <jason@redhat.com>
436
437         PR c++/35315
438         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
439         alone if it's the naming decl for the type's main variant.
440
441 2008-02-26  Tom Tromey  <tromey@redhat.com>
442
443         * system.h (USE_MAPPED_LOCATION): Poison.
444         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
445         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
446         (make_goto_expr_edges): Likewise.
447         (remove_bb): Likewise.
448         (execute_warn_function_return): Likewise.
449         * basic-block.h (struct edge_def) <goto_locus>: Change type to
450         location_t.
451         * c-common.c (fname_decl): Remove old location code.
452         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
453         location code.
454         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
455         variant.
456         (ASM_INPUT_SOURCE_LOCATION): Likewise.
457         (gen_rtx_ASM_INPUT): Likewise.
458         (gen_rtx_ASM_INPUT_loc): Likewise.
459         (get_rtx_asm_OPERANDS): Remove.
460         * cfglayout.c (insn_locators_alloc): Remove old location code.
461         (set_curr_insn_source_location): Likewise.
462         (curr_insn_locator): Likewise.
463         * print-tree.c (print_node): Remove old location code.
464         * tree-mudflap.c (mf_varname_tree): Remove old location code.
465         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
466         * cfgexpand.c (expand_gimple_cond_expr): Don't use
467         location_from_locus.
468         (construct_exit_block): Remove old location code.
469         * emit-rtl.c (force_next_line_note): Remove old location code.
470         * profile.c (branch_prob): Remove old location code.
471         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
472         LOC_LINE): Remove old-location variants.
473         * langhooks.c (lhd_print_error_function): Remove old location
474         code.
475         * configure, config.in: Rebuilt.
476         * configure.ac (--enable-mapped-location): Remove.
477         * c-decl.c (c_init_decl_processing): Remove old location code.
478         (finish_function): Likewise.
479         * recog.c (decode_asm_operands): Remove old location code.
480         * c-pch.c (c_common_read_pch): Remove old location code.
481         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
482         variants.
483         * gimple-low.c (lower_function_body): Remove old location code.
484         * toplev.c (unknown_location): Remove.
485         (push_srcloc): Remove old-location variant.
486         (process_options): Remove old location code.
487         (lang_dependent_init): Likewise.
488         * input.h (UNKNOWN_LOCATION): Move definition.
489         (location_t): Undeprecate.
490         (source_locus): Remove.
491         (location_from_locus): Remove.
492         (struct location_s): Remove.
493         Remove all old-location code.
494         (input_line, input_filename): Remove.
495         * final.c (final_scan_insn): Remove old location code.
496         * diagnostic.c (diagnostic_build_prefix): Remove
497         USE_MAPPED_LOCATION test.
498         * tree.h (gimple_stmt) <locus>: Now a location_t.
499         (tree_exp) <locus>: Likewise.
500         (DECL_IS_BUILTIN): Remove old-location variant.
501         (annotate_with_file_line, annotate_with_locus): Likewise.
502         (expr_locus, set_expr_locus): Update.
503         * tree.c (build1_stat): Remove old location code.
504         (last_annotated_node): Remove.
505         (annotate_with_file_line): Remove old-location variant.
506         (annotate_with_locus): Likewise.
507         (expr_location): Remove old location code.
508         (set_expr_location): Likewise.
509         (expr_has_location): Likewise.
510         (expr_locus): Likewise.
511         (set_expr_locus): Likewise.
512         (expr_filename): Don't use location_from_locus.
513         (expr_lineno): Likewise.
514         * rtl-error.c (location_for_asm): Remove old location code.
515         * c-lex.c (cb_line_change): Remove old location code.
516         (fe_file_change): Likewise.
517         (cb_def_pragma): Likewise.
518         (c_lex_with_flags): Likewise.
519         * gengtype.c (do_typedef): Don't special-case location types.
520         (define_location_structures): Remove.
521         (main): Don't call define_location_structures.
522         * tree-pretty-print.c (dump_implicit_edges): Remove old location
523         code.
524
525 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
526
527         PR 26264
528         * builtins.def (BUILT_IN_STDARG_START): Remove.
529         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
530         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
531         * tree-inline.c (inline_forbidden_p_1): Likewise.
532         
533 2008-02-26  Richard Guenther  <rguenther@suse.de>
534
535         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
536         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
537         (lookup_decl_from_uid): Declare.
538         (remove_decl_from_map): Likewise.
539         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
540         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
541         (decl_for_uid_map): New global hashtable mapping DECL_UID
542         to the decl tree.
543         (init_ttree): Allocate it.
544         (insert_decl_to_uid_decl_map): New helper function.
545         (make_node_stat): Insert new decls into the map.
546         (copy_node_stat): Likewise.
547         (lookup_decl_from_uid): New function.
548         (remove_decl_from_map): Likewise.
549         (print_decl_for_uid_map_statistics): New helper.
550         (dump_tree_statistics): Call it.
551
552         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
553         (referenced_var_iterator): Adjust.
554         (FOR_EACH_REFERENCED_VAR): Adjust.
555         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
556         (num_referenced_vars): Adjust.
557         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
558         (first_referenced_var): Remove.
559         (end_referenced_vars_p): Likewise.
560         (next_referenced_var): Likewise.
561         (referenced_var_iterator_set): New helper function.
562         * tree-dfa.c (referenced_var_lookup): Adjust.
563         (referenced_var_check_and_insert): Likewise.
564         (remove_referenced_var): Likewise.
565         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
566         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
567         (verify_call_clobbering): Likewise.
568         (verify_memory_partitions): Likewise.
569         (init_tree_ssa): Allocate bitmap instead of hashtable for
570         referenced_vars.
571         (delete_tree_ssa): Adjust.
572         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
573         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
574         (compute_tag_properties): Likewise.
575         (set_initial_properties): Likewise.
576         (find_partition_for): Likewise.
577         (update_reference_counts): Likewise.
578         (dump_may_aliases_for): Likewise.
579         * tree-ssa-operands.c (add_virtual_operand): Likewise.
580         (add_call_clobber_ops): Likewise.
581         (add_call_read_ops): Likewise.
582         (get_asm_expr_operands): Likewise.
583         * tree-into-ssa.c (dump_decl_set): Likewise.
584         (update_ssa): Likewise.
585         * tree-sra.c (scan_function): Likewise.
586         (decide_instantiations): Likewise.
587         (scalarize_parms): Likewise.
588         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
589         (dsa_named_for): Likewise.
590         * tree-ssa-structalias.c (update_alias_info): Likewise.
591         (merge_smts_into): Likewise.
592
593 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
594
595         PR 34351
596         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
597         * c-opts.c (c_common_handle_option): Wall enables
598         Wvolatile-register-var.
599         * common.opt: Move Wvolatile-register-var to...
600         * c.opt: ...here.
601         
602 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
603
604         * common.opt (Wlarger-than=): New.
605         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
606         -Wlarger-than=.
607         * opts.c (common_handle_option): Handle -Wlarger-than=.
608         * optc-gen.awk: Likewise.
609         * opth-gen.awk: Likewise.
610         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
611         * tree-optimize.c (tree_rest_of_compilation): Likewise.
612         
613 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
614
615         * c-common.c (match_case_to_enum_1): Add appropriate
616         OPT_W* parameter to warning.
617         (c_do_switch_warnings): Likewise.
618         * c-typeck.c (warning_init): Add one more parameter following
619         'warning' function.
620         (push_init_level): Update call to warning_init.
621         (pop_init_level): Likewise.
622         (add_pending_init): Likewise.
623         (output_init_element: Likewise.
624
625 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
626
627         PR 28322
628         * toplev.c (toplev_main): If there are warnings or error, print
629         errors for ignored options.
630         * opts.c (ignored_options): New static variable.
631         (postpone_unknown_option_error): New.
632         (print_ignored_options): New.
633         (handle_option): Postpone errors for unknown -Wno-* options.
634         * opts.h (print_ignored_options): Declare.
635         
636 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
637
638         * config/mips/mips.md (loadgp_blockage, blockage): Change type
639         to "ghost".
640
641 2008-02-25  Richard Guenther  <rguenther@suse.de>
642
643         Revert:
644         2008-02-25  Richard Guenther  <rguenther@suse.de>
645
646         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
647         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
648         (lookup_decl_from_uid): Declare.
649         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
650         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
651         (decl_for_uid_map): New global hashtable mapping DECL_UID
652         to the decl tree.
653         (init_ttree): Allocate it.
654         (insert_decl_to_uid_decl_map): New helper function.
655         (make_node_stat): Insert new decls into the map.
656         (copy_node_stat): Likewise.
657         (lookup_decl_from_uid): New function.
658         (print_decl_for_uid_map_statistics): New helper.
659         (dump_tree_statistics): Call it.
660
661         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
662         (referenced_var_iterator): Adjust.
663         (FOR_EACH_REFERENCED_VAR): Adjust.
664         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
665         (num_referenced_vars): Adjust.
666         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
667         (first_referenced_var): Remove.
668         (end_referenced_vars_p): Likewise.
669         (next_referenced_var): Likewise.
670         (referenced_var_iterator_set): New helper function.
671         * tree-dfa.c (referenced_var_lookup): Adjust.
672         (referenced_var_check_and_insert): Likewise.
673         (remove_referenced_var): Likewise.
674         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
675         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
676         (verify_call_clobbering): Likewise.
677         (verify_memory_partitions): Likewise.
678         (init_tree_ssa): Allocate bitmap instead of hashtable for
679         referenced_vars.
680         (delete_tree_ssa): Adjust.
681         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
682         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
683         (compute_tag_properties): Likewise.
684         (set_initial_properties): Likewise.
685         (find_partition_for): Likewise.
686         (update_reference_counts): Likewise.
687         (dump_may_aliases_for): Likewise.
688         * tree-ssa-operands.c (add_virtual_operand): Likewise.
689         (add_call_clobber_ops): Likewise.
690         (add_call_read_ops): Likewise.
691         (get_asm_expr_operands): Likewise.
692         * tree-into-ssa.c (dump_decl_set): Likewise.
693         (update_ssa): Likewise.
694         * tree-sra.c (scan_function): Likewise.
695         (decide_instantiations): Likewise.
696         (scalarize_parms): Likewise.
697         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
698         (dsa_named_for): Likewise.
699         * tree-ssa-structalias.c (update_alias_info): Likewise.
700         (merge_smts_into): Likewise.
701
702 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
703
704         PR fortran/29549
705         * doc/invoke.texi (-fcx-limited-range): Document new option.
706         * toplev.c (process_options): Handle -fcx-fortran-rules.
707         * common.opt: Add documentation for -fcx-fortran-rules.
708
709 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
710
711         PR c/35162
712         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
713         actual behaviour and C99.
714         
715 2008-02-26  Ben Elliston  <bje@au.ibm.com>
716
717         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
718         (ASM_CPU_POWER6_SPEC): Likewise.
719         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
720         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
721         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
722
723 2008-02-25  Richard Guenther  <rguenther@suse.de>
724
725         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
726         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
727         (lookup_decl_from_uid): Declare.
728         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
729         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
730         (decl_for_uid_map): New global hashtable mapping DECL_UID
731         to the decl tree.
732         (init_ttree): Allocate it.
733         (insert_decl_to_uid_decl_map): New helper function.
734         (make_node_stat): Insert new decls into the map.
735         (copy_node_stat): Likewise.
736         (lookup_decl_from_uid): New function.
737         (print_decl_for_uid_map_statistics): New helper.
738         (dump_tree_statistics): Call it.
739
740         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
741         (referenced_var_iterator): Adjust.
742         (FOR_EACH_REFERENCED_VAR): Adjust.
743         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
744         (num_referenced_vars): Adjust.
745         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
746         (first_referenced_var): Remove.
747         (end_referenced_vars_p): Likewise.
748         (next_referenced_var): Likewise.
749         (referenced_var_iterator_set): New helper function.
750         * tree-dfa.c (referenced_var_lookup): Adjust.
751         (referenced_var_check_and_insert): Likewise.
752         (remove_referenced_var): Likewise.
753         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
754         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
755         (verify_call_clobbering): Likewise.
756         (verify_memory_partitions): Likewise.
757         (init_tree_ssa): Allocate bitmap instead of hashtable for
758         referenced_vars.
759         (delete_tree_ssa): Adjust.
760         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
761         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
762         (compute_tag_properties): Likewise.
763         (set_initial_properties): Likewise.
764         (find_partition_for): Likewise.
765         (update_reference_counts): Likewise.
766         (dump_may_aliases_for): Likewise.
767         * tree-ssa-operands.c (add_virtual_operand): Likewise.
768         (add_call_clobber_ops): Likewise.
769         (add_call_read_ops): Likewise.
770         (get_asm_expr_operands): Likewise.
771         * tree-into-ssa.c (dump_decl_set): Likewise.
772         (update_ssa): Likewise.
773         * tree-sra.c (scan_function): Likewise.
774         (decide_instantiations): Likewise.
775         (scalarize_parms): Likewise.
776         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
777         (dsa_named_for): Likewise.
778         * tree-ssa-structalias.c (update_alias_info): Likewise.
779         (merge_smts_into): Likewise.
780
781 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
782
783         PR target/35258
784         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
785         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
786         * alias.h (nonoverlapping_memrefs_p): Likewise.
787
788 2008-02-25  Jan Beulich  <jbeulich@novell.com>
789
790         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
791         * config/i386/netware-libgcc.exp: Add __bswap?i2,
792         __emultls_get_address, __emultls_register_common,
793         __floatundi?f, and _Unwind_GetIPInfo.
794         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
795         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
796         (gen_regparm_prefix): Likewise.
797         (i386_nlm_encode_section_info): Sync with
798         config/i386/winnt.c:i386_pe_encode_section_info().
799         (i386_nlm_maybe_mangle_decl_assembler_name): New.
800         i386_nlm_mangle_decl_assembler_name): New.
801         (netware_override_options): New.
802         * config/i386/netware.h (netware_override_options): Declare.
803         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
804         (i386_nlm_mangle_decl_assembler_name): Declare.
805         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
806
807 2008-02-25  Ben Elliston  <bje@au.ibm.com>
808
809         PR other/32948
810         * c-decl.c (grokdeclarator): Remove unused local variables
811         `typedef_type' and `type_as_written'.
812         * bb-reorder.c
813         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
814         unused local variable `has_hot_blocks'.
815         (fix_crossing_conditional_branches): Remove unused local variable
816         `prev_bb'.
817         
818 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
819
820         PR middle-end/19984
821         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
822         using DEF_C99_BUILTIN.
823         (BUILT_IN_NANF): Ditto.
824         (BUILT_IN_NANL): Ditto.
825
826 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
827             Revital Eres  <eres@il.ibm.com>
828
829         * modulo-sched.c (calculate_must_precede_follow): Address TODO
830         regarding the order of two dependent insns in the same row.
831
832 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
833
834         * stor-layout.c (layout_decl): Do not bump the alignment of a
835         bit-field to more than byte alignment if it is packed.
836
837 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
838
839         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
840         e300c2 and e300c3.
841
842 2008-02-24  Diego Novillo  <dnovillo@google.com>
843
844         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
845
846         PR 33738
847         * tree-vrp.c (vrp_evaluate_conditional): With
848         -Wtype-limits, emit a warning when comparing against a
849         constant outside the natural range of OP0's type.
850         * c.opt (Wtype-limits): Move ...
851         * common.opt (Wtype-limits): ... here.
852
853 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
854
855         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
856         * config/rs6000/e300c2c3.md: New file.
857         * config/rs6000/rs6000.c (processor_costs): Add new costs for
858         e300c2 and e300c3.
859         (rs6000_override_options): Add e300c2 and e300c3 cases to
860         processor_target_table. Do not allow usage of Altivec or Spe
861         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
862         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
863         * config/rs6000/rs6000.h (processor_type): Add
864         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
865         (ASM_CPU_SPEC): Add e300c2 and e300c3.
866         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
867         and ppce300c3. Include e300c2c3.md.
868
869 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
870
871         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
872         instead of TARGET_STRICT_ALIGN.
873
874 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
875
876         * explow.c (memory_address): Assert that the generated address is
877         valid.
878
879 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
880
881         PR target/25477
882         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
883         * config/darwin-ppc-ldouble-patch.def: New file.
884         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
885         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
886         SUBTARGET_INIT_BUILTINS if defined.
887         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
888         New functions.
889
890 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
891
892         PR rtl-opt/33512
893         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
894         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
895
896 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
897
898         PR pch/35027
899         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
900         file" warning condtional on -Winvalid-PCH.
901
902 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
903
904         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
905
906 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
907
908         PR target/22076
909         PR target/34256 
910         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
911         prevent reload from using MMX registers.
912         (*mov<mode>_internal): Ditto.
913         (*movv2sf_internal_rex64): Ditto.
914         (*movv2sf_internal): Ditto.
915
916 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
917
918         PR documentation/31569
919         * doc/install.texi2html: Use makeinfo --no-number-sections.
920
921 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
922
923         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
924         ensure that we can address an entire entity > 8 bytes.  Don't
925         generate reg+reg addressing for such data.
926
927 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
928
929         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
930         strings when optimizing for size, unless the target cares about
931         alignment.
932
933 2008-02-22  Tom Tromey  <tromey@redhat.com>
934
935         * regclass.c (current_pass): Remove declaration.
936
937 2008-02-22  Anatoly Sokolov <aesok@post.ru>
938
939         * config/avr/libgcc.S (__RAMPZ__): Define.
940         (__do_copy_data): Add for devices with 128KB code memory.
941
942 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
943
944         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
945         Use spe_abi.
946         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
947
948 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
949
950         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
951         GENNONACR_REGS.
952
953 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
954
955         PR c/19999
956         * c-typeck.c (build_binary_op): Warn about floating point
957         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
958
959 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
960
961         PR target/34526
962         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
963         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
964         add vrsave.
965         (rs6000_override_options): Set altivec_abi as default, not override,
966         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
967         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
968         is used; use new member spe_abi.
969         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
970         spe_abi and altivec_abi.
971
972 2008-02-22  Tomas Bily  <tbily@suse.cz>
973
974         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
975
976 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
977
978         PR bootstrap/35273
979         * config.build (build_file_translate): Set to `CMD //c' only if
980         it works.
981         * Makefile.in (build_file_translate): Improve comment.
982
983 2008-02-21  Jan Hubicka  <jh@suse.cz>
984
985         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
986         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
987         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
988
989 2008-02-21  Michael Matz  <matz@suse.de>
990
991         PR target/35264
992         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
993
994 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
995
996         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
997         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
998         as insn constraint.
999         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1000         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1001         SSE_VEC_FLOAT_MODE_P as insn constraint.
1002         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1003         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1004         sse4a_movntdf using MODEF mode iterator.
1005         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1006         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1007         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1008         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1009         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1010         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1011         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1012
1013 2008-02-21  Richard Guenther  <rguenther@suse.de>
1014
1015         * tree.def (PAREN_EXPR): New tree code.
1016         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1017         and PAREN_EXPR.
1018         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1019         * expr.c (expand_expr_real_1): Likewise.
1020         * tree-inline.c (estimate_num_insns_1): Likewise.
1021         * tree-complex.c (expand_complex_move): Likewise.
1022         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1023         as plain x.
1024
1025 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1026
1027         PR target/35225
1028         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1029
1030 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1031
1032         PR target/35190
1033         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1034
1035         * config/sh/sh.c (find_barrier): Don't go past
1036         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1037
1038 2008-02-20  DJ Delorie  <dj@redhat.com>
1039
1040         * config/h8300/h8300.md (insv): Force source operand to be a register.
1041
1042         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1043         as a jump, not as a plain insn.
1044         
1045 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1046
1047         * doc/invoke.texi (Warning Options): Add new option
1048         -Wframe-larger-than=.
1049         (-Wframe-larger-than): Document.
1050
1051         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1052         Add declarations for new option variables.
1053
1054         * final.c (final_start_function): Check the frame size
1055         before emission and issue a Wframe-larger-than warning.
1056
1057         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1058         Add definitions for new option variables.
1059         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1060
1061         * common.opt (Wframe-larger-than=): New option.
1062
1063 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1064
1065         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1066         (<sse>_div<mode>3): Ditto.
1067         (<sse>_vmdiv<mode>3): Ditto.
1068         (<sse>_vmsqrt<mode>2): Ditto.
1069         (*smax<mode>3): Ditto.
1070         (sse5_frcz<mode>2): Ditto.
1071         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1072         as insn constraint.
1073
1074 2008-02-20  Richard Guenther  <rguenther@suse.de>
1075
1076         PR middle-end/35265
1077         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1078         be happy with INTEGRAL_TYPE_P.
1079
1080 2008-02-20  Richard Guenther  <rguenther@suse.de>
1081
1082         * fold-const.c (split_tree): Associate floatig-point expressions
1083         if flag_associative_math is set.
1084
1085 2008-02-20  Richard Guenther  <rguenther@suse.de>
1086
1087         * tree.h (fold_real_zero_addition_p): Declare.
1088         * fold-const.c (fold_real_zero_addition_p): Export.
1089         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1090         floating-point operations with zero and one.
1091
1092 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1093
1094         * doc/install.texi: Correct references to CFLAGS, replacing them
1095         with BOOT_CFLAGS.  Document flags used during bootstrap for
1096         target libraries.
1097                                 
1098 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1099
1100         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1101         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1102         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1103         insn constraint.
1104         (smin<mode>3): Ditto from similar patterns.
1105         (smax<mode>3): Ditto.
1106         (*ieee_smin<mode>3): Ditto.
1107         (*ieee_smax<mode>3): Ditto.
1108         * config/i386/sse.md (sse): New mode attribute.
1109         (mov<mode>): Macroize expander from movv4sf and movv2df using
1110         SSEMODEF2P mode iterator.
1111         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1112         SSE_VEC_FLOAT_MODE_P as insn constraint.
1113         (storent<mode>): Ditto.
1114         (storent<mode>): Macroize expander from storentsf and storentdf using
1115         MODEF mode iterator.
1116         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1117         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1118         (abs<mode>2): Ditto from similar patterns.
1119         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1120         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1121         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1122         (<sse>_vmsqrt<mode>2): Ditto.
1123         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1124         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1125         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1126         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1127         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1128         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1129         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1130         insn constraint.
1131         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1132         iterator and SSE_FLOAT_MODE_P as insn constraint.
1133         (<sse>_ucomi): Ditto from similar patterns.
1134         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1135         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1136         SSE_VEC_FLOAT_MODE_P as insn constraint.
1137         (vcond<mode>): Ditto from similar patterns.
1138         (and<mode>3, *and<mode>3): Ditto.
1139         (<sse>_nand<mode>3): Ditto.
1140         (ior<mode>3, *ior<mode>3): Ditto.
1141         (xor<mode>3, *xor<mode>3): Ditto.
1142         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1143         iterator and SSE_FLOAT_MODE_P as insn constraint.
1144         (*nand<mode>3): Ditto from similar patterns.
1145         (*ior<mode>3): Ditto.
1146         (*xor<mode>3): Ditto.
1147
1148 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1149
1150         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1151         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1152         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1153
1154 2008-02-19  Jan Hubicka  <jh@suse.cz>
1155
1156         * predict.c (tree_bb_level_predictions): Remove variable next
1157         mistakely introduced by previous commit.
1158
1159 2008-02-19  Jan Hubicka  <jh@suse.cz>
1160
1161         * predict.c (predict_paths_leading_to): Rewrite.
1162         (predict_paths_for_bb): New.
1163         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1164
1165 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1166
1167         PR bootstrap/35218
1168         * Makefile.in (build_file_translate): New.
1169         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1170         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1171         * configure.ac (build_file_translate): Substitute it.
1172         * configure: Regenerate.
1173
1174 2008-02-19  Jan Hubicka  <jh@suse.cz>
1175
1176         PR rtl-optimization/34408
1177         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1178         invalid sharing.
1179
1180 2008-02-19  Jan Hubicka  <jh@suse.cz>
1181
1182         PR middle-end/28779
1183         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1184         call_expr.
1185
1186 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1187
1188         PR Ada/35186
1189         * config/i386/i386-modes.def: Revert the last DI alignment
1190         change until Ada people can look into it.
1191
1192 2008-02-19  Nick Clifton  <nickc@redhat.com>
1193
1194         * opts.c (print_specific_help): Fix typo in --help text.
1195
1196 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1197
1198         PR target/35239
1199         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1200         32-bit inline asm without asm alternatives for host GCC < 3.0.
1201
1202 2008-02-19  Richard Guenther  <rguenther@suse.de>
1203
1204         PR tree-optimization/34989
1205         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1206         Allow propagation to INDIRECT_REF if we can simplify only.
1207
1208 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1209
1210         * c-common.c (warn_for_collisions_1): Use appropriate option when
1211         warning.
1212
1213 2008-02-19  Nick Clifton  <nickc@redhat.com>
1214
1215         PR other/31349
1216         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1217         (handle_options): Fix indentation.
1218         (print_filtered_help): If no language-specific options were
1219         displayed tell the user how to list all the options supported by
1220         the language's front-end.
1221         (print_specific_help): Fix indentation and remove duplicate line.
1222         (common_handle_option): Handle the -v option.
1223         For --help enable the display of undocumented options if the -v
1224         switch has been included on the command line.
1225         For --help= check for overlaps in the arguments between the option
1226         classes and the language names and issue a warning when they
1227         cannot be disambiguated.
1228         * c.opt (v): Pass on to the common option handler.
1229
1230 2008-02-19  Revital Eres  <eres@il.ibm.com> 
1231
1232         * modulo-sched.c (sms_schedule): Change dump message when
1233         create_ddg function fails.
1234         (try_scheduling_node_in_cycle): Rename row to cycle.
1235         (print_partial_schedule): Rename CYCLE to ROW.
1236
1237 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1238             Zdenek Dvorak  <ook@ucw.cz>
1239
1240         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1241
1242 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1243
1244         PR target/33555
1245         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1246         (*x86_movdicc_0_m1_se): Ditto.
1247
1248 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1249
1250         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1251         (CMPtype): Define as __gcc_CMPtype.
1252         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1253         (CMPtype): Define as __gcc_CMPtype.
1254
1255 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1256
1257         Support valgrind 3.3 for --enable-checking=valgrind.
1258         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1259         here.
1260         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1261         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1262         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1263         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1264         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1265         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1266         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1267         respectively.
1268         * ggc-zone.c: Similar.
1269         * ggc-page.c: Similar.
1270
1271 2008-02-19  Paul Brook  <paul@codesourcery.com>
1272
1273         PR target/35071
1274         * config/arm/ieee754-df.S: Fix do_it typo.
1275         * config/arm/ieee754-sf.S: Fix do_it typo.
1276
1277 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1278
1279         PR target/35189
1280         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1281         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1282         (OPTION_MASK_ISA_SSE_SET): Likewise.
1283         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1284         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1285         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1286         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1287         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1288         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1289         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1290         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1291         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1292         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1293         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1294         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1295         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1296         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1297         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1298         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1299         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1300         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1301         (OPTION_MASK_ISA_SSE4): Removed.
1302         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1303         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1304         -mXXX.
1305         (override_options): Don't turn on implied SSE/MMX bits in
1306         ix86_isa_flags.
1307
1308 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1309
1310         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1311         32bit host.
1312
1313 2008-02-18  Joey Ye  <joey.ye@intel.com>
1314
1315         PR middle-end/34921
1316         * tree-nested.c (insert_field_into_struct): Set type alignment
1317         to field alignment if the former is less than the latter.
1318
1319 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1320
1321         * BASE-VER: Set to 4.4.0.
1322
1323 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1324
1325         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1326         * doc/cfg.texi: Likewise.
1327         * doc/extend.texi: Likewise.
1328         * doc/gty.texi: Likewise.
1329         * doc/invoke.texi: Likewise.
1330         * doc/loop.texi: Likewise.
1331         * doc/md.texi: Likewise.
1332         * doc/passes.texi: Likewise.
1333         * doc/rtl.texi: Likewise.
1334         * doc/sourcebuild.texi: Likewise.
1335         * doc/tm.texi: Likewise.
1336         * doc/tree-ssa.texi: Likewise.
1337
1338 2008-02-17  Richard Guenther  <rguenther@suse.de>
1339
1340         PR middle-end/35227
1341         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1342         without default definition.
1343
1344 2008-02-17  Richard Guenther  <rguenther@suse.de>
1345
1346         PR tree-optimization/35231
1347         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1348         if A | B != 1.
1349
1350 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1351
1352         Revert:
1353
1354         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
1355         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1356         libgcc_cmp_return mode.
1357
1358 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1359
1360         PR c/28368
1361         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1362
1363 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1364
1365         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1366         multilibs.
1367
1368 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1369
1370         * doc/c-tree.texi: Use `@.' where appropriate.
1371         * doc/extend.texi: Likewise.
1372         * doc/install.texi: Likewise.
1373         * doc/invoke.texi: Likewise.
1374         * doc/loop.texi: Likewise.
1375         * doc/makefile.texi: Likewise.
1376         * doc/md.texi: Likewise.
1377         * doc/passes.texi: Likewise.
1378         * doc/standards.texi: Likewise.
1379         * doc/tm.texi: Likewise.
1380
1381 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1382
1383         PR middle-end/35196
1384         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1385         in entry_bb.
1386         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1387         rather than in entry_bb.
1388
1389 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1390
1391         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1392         libgcc_cmp_return mode.
1393
1394 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1395
1396         PR middle-end/35130
1397         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1398         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1399
1400 2008-02-15  Richard Guenther  <rguenther@suse.de>
1401             Zdenek Dvorak  <ook@ucw.cz>
1402
1403         PR tree-optimization/35164
1404         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1405         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1406         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1407         Only propagate addresses which do not have abnormal SSA_NAMEs
1408         in their operands.
1409
1410 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1411
1412         PR target/35088
1413         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1414
1415 2008-02-15  Jan Hubicka  <jh@suse.cz>
1416
1417         PR middle-end/35149
1418         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1419
1420 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1421
1422         PR middle-end/34621
1423         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1424         when calculating alignment_pad.
1425
1426 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1427
1428         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1429         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1430         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1431         and STACK_BOUNDARY define.
1432
1433 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1434
1435         PR preprocessor/35061
1436         * c-pragma.c (handle_pragma_pop_macro): Check that
1437         pushed_macro_table has been allocated.
1438
1439 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1440
1441         PR middle-end/35136
1442         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1443         (force_gimple_operand): Likewise.
1444         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1445         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1446         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1447         (find_interesting_uses_address): Check addressability and alignment
1448         of the base expression only after substituting bases of IVs into it.
1449
1450 2008-02-14  Michael Matz  <matz@suse.de>
1451
1452         PR target/34930
1453         * function.c (instantiate_virtual_regs_in_insn): Reload address
1454         before falling back to reloading the whole operand.
1455
1456 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1457
1458         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1459         before the first section switch note.
1460
1461 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1462
1463         * doc/bugreport.texi: Update copyright years.
1464         * doc/c-tree.texi: Likewise.
1465         * doc/cfg.texi: Likewise.
1466         * doc/cpp.texi: Likewise.
1467         * doc/cppinternals.texi: Likewise.
1468         * doc/fragments.texi: Likewise.
1469         * doc/frontends.texi: Likewise.
1470         * doc/gcc.texi: Likewise.
1471         * doc/gty.texi: Likewise.
1472         * doc/hostconfig.texi: Likewise.
1473         * doc/implement-c.texi: Likewise.
1474         * doc/libgcc.texi: Likewise.
1475         * doc/loop.texi: Likewise.
1476         * doc/makefile.texi: Likewise.
1477         * doc/options.texi: Likewise.
1478         * doc/passes.texi: Likewise.
1479         * doc/rtl.texi: Likewise.
1480         * doc/sourcebuild.texi: Likewise.
1481         * doc/standards.texi: Likewise.
1482         * doc/tree-ssa.texi: Likewise.
1483         * doc/trouble.texi: Likewise.
1484
1485         * doc/extend.texi: Use @: or add comma where appropriate.
1486         * doc/invoke.texi: Likewise.
1487         * doc/tm.texi: Likewise.
1488
1489 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1490
1491         PR target/34393
1492         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1493         to a reg.
1494
1495 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1496
1497         * doc/md.texi (clz, ctz): Add reference.
1498         * doc/rtl.texi (clz, ctz): Likewise.
1499
1500 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1501
1502         PR other/35148
1503         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1504         srcdir.
1505
1506 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1507
1508         * config/s390/s390.c (struct constant_pool): New field
1509         emit_pool_after added.
1510         (s390_mainpool_start): Set the emit_pool_after flag according
1511         to the section switch notes.
1512         (s390_mainpool_finish): Consider emit_pool_after when emitting
1513         the literal pool at the end of the function.
1514         (s390_chunkify_start): Force literal pool splits at section
1515         switch notes.
1516
1517 2008-02-13  Michael Matz  <matz@suse.de>
1518
1519         PR debug/35065
1520         * var-tracking.c (clobber_variable_part): Correctly traverse the
1521         list.
1522
1523 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1524
1525         PR 29673
1526         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1527         Add -fdump-ipa-inline.
1528         * tree-dump.c (dump_files): Remove tree-inlined dump.
1529         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
1530         
1531 2008-02-12  Richard Guenther  <rguenther@suse.de>
1532
1533         PR tree-optimization/35171
1534         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
1535         default defs.
1536
1537 2008-02-12  Richard Guenther  <rguenther@suse.de>
1538
1539         PR middle-end/35163
1540         * fold-const.c (fold_widened_comparison): Use get_unwidened in
1541         value-preserving mode.  Disallow final truncation.
1542
1543 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1544
1545         PR middle-end/35136
1546         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
1547         code from here to...
1548         (force_gimple_operand): ...here.
1549
1550 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
1551
1552         PR c++/35144
1553         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
1554         non-compatible pointers.
1555         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
1556         different FIELD_DECLs, try harder by comparing field offsets, sizes
1557         and types.
1558
1559         PR inline-asm/35160
1560         * function.c (match_asm_constraints_1): Don't replace the same input
1561         multiple times.
1562
1563 2008-02-12  Anatoly Sokolov <aesok@post.ru>
1564
1565         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
1566         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
1567         (expand_epilogue): Restore RAMPZ register.
1568         * config/avr/avr.md (RAMPZ_ADDR): New constant.
1569
1570 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
1571
1572         * config/i386/cygwin.asm: (__alloca): Correct calling
1573         convention and alignment.
1574         (__chkstk): Force 8 byte stack alignment.
1575
1576 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
1577             Richard Guenther  <rguenther@suse.de>
1578
1579         PR tree-optimization/33992
1580         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
1581         the zero we compare against.
1582
1583 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
1584
1585         PR libfortran/35063
1586         * gthr-win32.h (__gthread_mutex_destroy_function): New function
1587         to CloseHandle after unlocking to prevent accumulation of handle
1588         count.
1589
1590 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1591
1592         PR middle_end/34150
1593         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
1594         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
1595         and update LABEL_NUSES during and after reload.
1596
1597 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
1598
1599         PR middle-end/34627
1600         * combine.c (simplify_if_then_else): Make sure the comparison is
1601         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
1602
1603 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1604
1605         PR bootstrap/35051
1606         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
1607         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
1608         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
1609         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
1610         * tree.h (get_type_static_bounds): Likewise.
1611
1612 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1613
1614         * doc/invoke.texi (Option Summary, C++ Dialect Options)
1615         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1616         Make -Wfoo language annotations match what the compiler outputs.
1617
1618 2008-02-08  Sa Liu  <saliu@de.ibm.com>
1619
1620         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
1621         intrinsics spu_convts, spu_convtu, spu_convtf.
1622         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
1623
1624 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
1625
1626         * doc/extend.texi (Function Attributes) <noinline>: Mention
1627         asm ("") as method to keep calls.
1628
1629 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1630
1631         PR other/32754
1632         * doc/options.texi (Options): Replace references to opts.sh with
1633         optc-gen.awk.
1634         * opts-common.c: Likewise.
1635         * optc-gen.awk: Likewise.
1636         
1637 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1638
1639         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
1640
1641 2008-02-07  Richard Henderson  <rth@redhat.com>
1642
1643         PR rtl-opt/33410
1644         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
1645         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
1646         funny mode.
1647
1648 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
1649
1650         PR tree-optimization/35085
1651         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
1652         for operand entry oe2 in addition to operand entry oe3 in order to
1653         expose more opportunities for vectorizer sum reduction.
1654
1655 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1656
1657         PR other/35107
1658         * Makefile.in (LIBS): Remove $(GMPLIBS).
1659         (cc1-dummy, cc1): Add $(GMPLIBS).
1660
1661 2008-02-06  Jan Hubicka  <jh@suse.cz>
1662
1663         PR target/23322
1664         * i386.md (moddf_integer): Do not produce partial memory stalls for
1665         targets where it hurts.
1666
1667 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
1668
1669         PR target/35083
1670         * optabs.c (expand_float): Do not check for decimal modes when
1671         expanding unsigned integer through signed conversion.
1672
1673 2008-02-06  Nick Clifton  <nickc@redhat.com>
1674
1675         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
1676         inside the clobber with a match_operand and duplicated operand
1677         number in the constraint.
1678         (ineqbranchsi): Delete redundant comment.
1679
1680 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1681
1682         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
1683         builtin_define ("__USE_INIT_FINI__").
1684         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
1685         -msx multilibs.
1686         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
1687
1688 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1689
1690         PR documentation/30330
1691         * doc/invoke.texi (C++ Dialect Options)
1692         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1693         For each warning option -Wfoo that allows -Wno-foo, ensure both
1694         -Wfoo and -Wno-foo are listed in the option index.  Fix index
1695         entry of -Wswitch-default, index -Wnormalized= including the
1696         `=', and -Wlarger-than-@var{len} including @var{len}.
1697
1698 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1699
1700         * config/i386/i386.md (floatunssisf2): Use
1701         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
1702         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
1703         Macroize expander using MODEF mode iterator.
1704
1705 2008-02-05  Diego Novillo  <dnovillo@google.com>
1706
1707         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
1708
1709         PR 33738
1710         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
1711
1712 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1713
1714         PR other/35070
1715         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
1716
1717 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
1718
1719         PR target/35084
1720         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
1721         to indicate if a message should be generated.
1722         (init_cumulative_args): Updated.
1723         (function_value_32): Likewise.
1724
1725 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
1726
1727         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
1728
1729 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1730
1731         PR target/35083
1732         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
1733         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
1734
1735 2008-02-04  Diego Novillo  <dnovillo@google.com>
1736
1737         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
1738
1739         PR 33738
1740         * tree-vrp.c (vrp_evaluate_conditional): With
1741         -Wtype-limits, emit a warning when comparing against a
1742         constant outside the natural range of OP0's type.
1743
1744 2008-02-04  Richard Guenther  <rguenther@suse.de>
1745
1746         PR middle-end/33631
1747         * expr.c (count_type_elements): Give for unions instead of
1748         guessing.
1749
1750 2008-02-04  Richard Guenther  <rguenther@suse.de>
1751
1752         PR middle-end/35043
1753         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
1754         to TYPE_DOMAINs base type instead of using bitsizetype here.
1755
1756 2008-02-03  Jason Merrill  <jason@redhat.com>
1757
1758         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
1759
1760 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1761
1762         PR other/29972
1763         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
1764         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
1765         (RS/6000 and PowerPC Options): Fix typos and markup.
1766         * doc/passes.texi (Tree-SSA passes): Likewise.
1767
1768 2008-02-02  Michael Matz  <matz@suse.de>
1769
1770         PR target/35045
1771         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
1772         from record_last_reg_set_info.
1773         (record_last_reg_set_info): Take an RTX argument, iterate over all
1774         constituent hardregs.
1775         (record_last_set_info, record_opr_changes): Change calls to
1776         new signature or to record_last_reg_set_info_regno.
1777
1778 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1779
1780         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
1781
1782 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
1783
1784         PR rtl-optimization/34773
1785         * reg-notes.def (EQUAL): Mention significance of combination of
1786         REG_EQUAL and REG_RETVAL.
1787         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
1788         insn that has a REG_RETVAL.
1789
1790 2008-02-01  Roger Sayle  <roger@eyesopen.com>
1791
1792         PR bootstrap/33781
1793         * configure.ac (--enable-fixed-point): Disable unless explicitly
1794         requested on IRIX.
1795         * configure: Regenerate.
1796
1797 2008-02-01  Richard Guenther  <rguenther@suse.de>
1798
1799         PR other/35042
1800         * invoke.texi (-finline-limit): Remove no longer true parts
1801         of the documentation.  Note that there is no default value.
1802
1803 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
1804             Mark Mitchell  <mark@codesourcery.com>
1805             Ben Elliston  <bje@au.ibm.com>
1806
1807         PR c/29326
1808         * doc/extend.texi (Other Builtins): Document.
1809
1810 2008-01-31  Tom Browder <tom.browder@gmail.com>
1811
1812         * doc/c-tree.texi (Types): Fix grammar.
1813         (Expression trees): Ditto.
1814         * doc/passes.texi (Tree-SSA passes): Ditto.
1815         
1816         * doc/configterms.texi (Configure Terms): Fix typo.
1817         * doc/cpp.texi (Common Predefined Macros): Ditto.
1818         * doc/md.texi (Machine Constraints): Ditto.
1819         
1820         * doc/makefile.texi (Makefile): Add comma.
1821
1822 2008-01-31  Tom Browder  <tom.browder@gmail.com>
1823             Gerald Pfeifer  <gerald@pfeifer.com>
1824         
1825         * doc/sourcebuild.texi (Front End): Remove references to CVS
1826         and CVSROOT/modules.
1827         (Texinfo Manuals): Replace reference to CVS by one to SVN.
1828         (Back End): Remove reference to CVS.
1829
1830 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1831
1832         PR target/34900
1833         * config/mips/mips.c (gen_load_const_gp): New function, taking a
1834         comment from...
1835         (mips16_gp_pseudo_reg): ...here.
1836         * config/mips/mips.md (load_const_gp): Replace with...
1837         (load_const_gp_<mode>): ...this :P-based insn.
1838
1839 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1840
1841         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
1842         options. Minor fixes.
1843         (-std): Move reference to standards closer to where language
1844         standards are first mentioned.
1845         
1846 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1847
1848         PR rtl-optimization/34995
1849         * reload.c (alternative_allows_const_pool_ref): Take an rtx
1850         parameter and return a bool.  If the rtx parameter is nonnull,
1851         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
1852         (find_reloads): Update call accordingly.  Pass the new operand
1853         if it needed no address reloads, otherwise pass null.
1854
1855 2008-01-30  Richard Henderson  <rth@redhat.com>
1856
1857         PR c/34993
1858         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
1859         for unbounded arrays.
1860
1861 2008-01-30  Silvius Rus  <rus@google.com>
1862
1863         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
1864
1865 2008-01-30  Jan Hubicka  <jh@suse.cz>
1866
1867         PR target/34982
1868         * i386.c (init_cumulative_args): Use real function declaration when
1869         calling locally.
1870
1871 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1872
1873         PR rtl-optimization/34998
1874         * global.c (build_insn_chain): Treat non-subreg_lowpart
1875         SUBREGs of pseudos as clobbering all the words covered by the
1876         SUBREG, not just all the bytes.
1877         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
1878         original df_ref rather than an extract parameter.
1879         (global_conflicts): Update call accordingly.
1880
1881 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1882
1883         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
1884         the overflow check to make it easier to read.
1885         (__fixtfdi): Change the type of the ll member in union
1886         long_double to UDItype_x.
1887
1888 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
1889
1890         PR middle-end/34969
1891         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
1892         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
1893         * tree-inline.c (fold_marked_statements): Call
1894         cgraph_update_edges_for_call_stmt if folding a call statement.
1895         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
1896         debug_generic_stmt calls, reset it back afterwards.
1897
1898         PR c/35017
1899         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
1900         static decls.
1901         * c-typeck.c (build_external_ref): Don't pedwarn about
1902         static vars in current function's scope.
1903
1904 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
1905
1906         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
1907
1908 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
1909
1910         PR c/35002
1911         * ipa-struct-reorg.c: Fix spelling.
1912         * params.def: Ditto.
1913
1914 2008-01-29  Richard Guenther  <rguenther@suse.de>
1915
1916         PR middle-end/35006
1917         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
1918         field.
1919         * tree-inline.c (remap_type): Increment remapping_type_depth
1920         around remapping types.
1921         (copy_body_r): Only add referenced variables if they are referenced
1922         from code, not types.
1923
1924 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
1925
1926         PR c++/34055
1927         PR c++/34103
1928         PR c++/34219
1929         PR c++/34606
1930         PR c++/34753
1931         PR c++/34754
1932         PR c++/34755
1933         PR c++/34919
1934         PR c++/34961
1935         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
1936         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
1937
1938 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
1939
1940         PR target/34412
1941         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
1942         pointer for tiny stack.
1943
1944 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1945
1946         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
1947
1948 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1949
1950         * config/vx-common.h: Fix typo in comment.
1951
1952 2008-01-28  Ian Lance Taylor  <iant@google.com>
1953
1954         PR c++/34862
1955         PR c++/33407
1956         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1957         coalesce pointers if they have different DECL_NO_TBAA_P values.
1958         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
1959         between variables with different DECL_NO_TBAA_P values.
1960
1961 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
1962
1963         PR 31535
1964         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
1965         are not legitimate small data references on SPE targets.
1966
1967 2008-01-28  David Daney  <ddaney@avtrex.com>
1968
1969         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
1970
1971 2008-01-28  David Daney  <ddaney@avtrex.com>
1972
1973         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
1974
1975 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
1976
1977         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
1978         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
1979         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
1980         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
1981         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
1982         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
1983         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
1984         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
1985
1986 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1987
1988         * basic-block.h (condjump_equiv_p): Fix comment.
1989
1990 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1991
1992         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
1993         print_generic_stmt_indented): Fix comment.
1994
1995 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1996
1997         * configure.ac (__stack_chk_fail): Add detecion for availability
1998         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
1999         * configure: Regenerate.
2000
2001 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2002
2003         PR middle-end/34688
2004         * final.c (output_addr_const): Handle TRUNCATE.
2005
2006 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2007
2008         PR target/34711
2009         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2010         (zero_cost, infinite_cost): New constants.
2011         (struct cost_pair): Change type of cost to comp_cost.
2012         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2013         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2014         New functions.
2015         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2016         split_address_cost, ptr_difference_cost, difference_cost,
2017         get_computation_cost_at, get_computation_cost,
2018         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2019         determine_use_iv_cost_condition, determine_use_iv_costs,
2020         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2021         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2022         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2023         Change type of cost to comp_cost.
2024         (determine_iv_cost): Increase cost of non-original ivs, instead
2025         of decreasing the cost of original ones.
2026         (get_address_cost): Indicate the complexity of the addressing mode 
2027         in comp_cost.
2028         (try_add_cand_for): Prefer using ivs not specific to some object.
2029         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2030
2031 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2032             Janis Johnson  <janis187@us.ibm.com>
2033
2034         PR target/34814
2035         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2036         (TARGET_INSTANTIATE_DECLS): Likewise.
2037         * target.h (expand_to_rtl_hook): New target hook.
2038         (instantiate_decls): Likewise.
2039         * function.c (instantiate_decl): Make non-static.  Rename to...
2040         (instantiate_decl_rtl): ... this.
2041         (instantiate_expr): Use instantiate_decl_rtl.
2042         (instantiate_decls_1): Likewise.
2043         (instantiate_decls): Likewise.
2044         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2045         * function.h (instantiate_decl_rtl): Add prototype.
2046         * cfgexpand.c (target.h): New include.
2047         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2048         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2049         (TARGET_INSTANTIATE_DECLS): Likewise.
2050         (TARGET_INITIALIZER): New target hooks added.
2051         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2052         New prototype.
2053         * config/rs6000/rs6000.c (tree-flow.h): New include.
2054         (machine_function): Add sdmode_stack_slot field.
2055         (rs6000_alloc_sdmode_stack_slot): New function.
2056         (rs6000_instantiate_decls): Likewise.
2057         (rs6000_secondary_memory_needed_rtx): Likewise.
2058         (rs6000_check_sdmode): Likewise.
2059         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2060         (TARGET_INSTANTIATE_DECLS): Likewise.
2061         (rs6000_hard_regno_mode_ok): Allow SDmode.
2062         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2063         (rs6000_emit_move): Handle SDmode.
2064         (function_arg_advance): Likewise.
2065         (function_arg): Likewise.
2066         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2067         SDmode var args for 32-bit compiles.
2068         (rs6000_secondary_reload_class): Handle SDmode.
2069         (rs6000_output_function_epilogue): Likewise.
2070         (rs6000_function_value): Simplify if statement.
2071         (rs6000_libcall_value): Likewise.
2072         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2073         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2074         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2075         (movsd_hardfloat): New define_insn.
2076         (movsd_softfloat): Likewise.
2077         (movsd_store): Likewise.
2078         (movsd_load): Likewise.
2079         (extendsddd2): Likewise.
2080         (extendsdtd2): Likewise.
2081         (truncddsd2): Likewise.
2082         (movdd_hardfloat64): Fixup comment.
2083         (UNSPEC_MOVSD_LOAD): New constant.
2084         (UNSPEC_MOVSD_STORE): Likewise.
2085
2086 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2087
2088         PR c++/34965
2089         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2090         TRUTH_XOR_EXPR.
2091         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2092         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2093         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2094         and TRUTH_XOR_EXPR.
2095
2096 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2097
2098         PR target/34794
2099         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2100         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2101         __LONGDOUBLE128 too.
2102         * config/rs6000/aix61.h: New file.
2103
2104 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2105
2106         PR rtl-optimization/34959
2107         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2108         popcount and parity rtxes the same mode as their operand.
2109         Truncate or extend the result to the return value's mode
2110         if necessary.
2111
2112 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2113
2114         PR target/34981
2115         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2116         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2117         to GOT_VERSION_REGNUM.
2118         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2119         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2120         * config/mips/mips.c (mips_emit_call_insn): New function.
2121         (mips_call_tls_get_addr): Call mips_expand_call directly.
2122         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2123         emit_call_insn.
2124         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2125         (mips_expand_call): Update the call to mips16_build_call_stub
2126         accordingly and a remove redundant condition.  Assert that MIPS16
2127         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2128         the call insn.
2129         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2130         TARGET_USE_GOT.
2131         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2132         (mips_avoid_hazard): Remove hazard_set handling.
2133         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2134         (UNSPEC_RESTORE_GP): ...this.
2135         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2136         (FAKE_CALL_REGNO): Rename to...
2137         (GOT_VERSION_REGNUM): ...this.
2138         (type): Add "ghost" value.  Add an associated insn reservation.
2139         (hazard_set): Remove.
2140         (exception_receiver): Rename to...
2141         (restore_gp): ...this and update the unspec identifier accordingly.
2142         (exception_receiver, nonlocal_got_receiver): New expanders.
2143         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2144         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2145         (set_got_version, update_got_version): New patterns.
2146
2147 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2148
2149         PR target/34970
2150         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2151
2152 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2153
2154         PR other/31955
2155         * doc/install.texi2html: Generate gcc-vers.texi.
2156
2157 2008-01-25  DJ Delorie  <dj@redhat.com>
2158
2159         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2160
2161 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2162
2163         * config/c4x: Remove directory.
2164         * config.gcc (crx-*, mt-*): Mark obsolete.
2165         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2166         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2167         sh-*-rtemscoff*): Remove cases.
2168         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2169         * real.c (encode_c4x_single, decode_c4x_single,
2170         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2171         c4x_extended_format): Remove.
2172         * real.h (c4x_single_format, c4x_extended_format): Remove.
2173         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2174         on C4x.
2175         (Pragmas): Remove comment about c4x pragmas.
2176         * doc/install.texi (c4x): Remove target-specific instructions.
2177         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2178         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2179         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2180         refer to C4x source files as examples.
2181         (C4X_FLOAT_FORMAT): Remove documentation.
2182
2183 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2184
2185         * config/bfin/bfin.c (override_options): Reorder tests so that
2186         flag_pic gets enabled for -msep-data.
2187
2188 2008-01-25  Richard Guenther  <rguenther@suse.de>
2189
2190         PR middle-end/32244
2191         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2192         to its bitfield precision if required.
2193
2194 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2195
2196         PR middle-end/33880
2197         * tree-nested.c (walk_omp_for): New function.
2198         (convert_nonlocal_reference, convert_local_reference): Call
2199         walk_omp_for on OMP_FOR.
2200         (convert_call_expr): Call walk_body on OMP_FOR's
2201         OMP_FOR_PRE_INIT_BODY.
2202
2203 2008-01-25  Richard Guenther  <rguenther@suse.de>
2204
2205         PR tree-optimization/34966
2206         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2207         default defs and PHI_NODEs we have to insert after the
2208         defining statement.
2209
2210 2008-01-24  Nick Clifton  <nickc@redhat.com>
2211
2212         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2213         Provide a default definition.
2214         (LIBGCC2_UNITS_PER_WORD): Likewise.
2215
2216         * config/stormy16/stormy16.c: Include df.h for the prototype
2217         for df_regs_ever_live_p.
2218         (xstormy16_expand_builtin_va_start): Convert the stack offset
2219         into a component_ref and then use POINTER_PLUS_EXPR to add it
2220         to the incoming_virtual_args_rtx.
2221         (xstormy16_gimplify_va_arg_expr): Rename to
2222         xstormy16_gimplify_va_arg_expr.
2223         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2224         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2225         xstormy16_gimplify_va_arg_expr.
2226         Fix up some formatting issues.
2227
2228         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2229         Move to predicates.md.
2230         (xs_hi_general_operand): Likewise.
2231         (xs_hi_nonmemory_operand): Likewise.
2232         * config/stormy16/predicates.md:
2233         (xstormy16_carry_plus_operand): New predicate.
2234         (xs_hi_general_operand): New predicate.
2235         (xs_hi_nonmemory_operand): New predicate.
2236         * config/stormy16/stormy16-protos.h:
2237         (xstormy16_carry_plus_operand): Delete prototype.
2238         (xs_hi_general_operand): Likewise.
2239         (xs_hi_nonmemory_operand): Likewise.
2240
2241         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2242         modifiers as they are no longer needed and they can trigger
2243         reload spill failures.
2244
2245         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2246         with a match_operand in order to help reload.
2247
2248         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2249         constraint with 'e' for the 8th alternative as this version of
2250         the mov.w instruction only accepts the lower 8 registers.
2251
2252 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2253
2254         PR target/34856
2255         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2256         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2257         vector elements.
2258
2259 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2260
2261         PR middle-end/33333
2262         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2263
2264 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2265
2266         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2267         New functions.
2268         (remove_structure): Update allocations list before removing structure.
2269         
2270 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2271
2272         * ipa-struct-reorg.c (is_safe_cond_expr, 
2273         create_new_stmts_for_cond_expr): Use integer_zerop function,
2274         that recognize not only zero-pointer, but zero-integer too.
2275
2276 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2277
2278         PR other/22232
2279         * fixproto: Escape "." in sed expression that strips leading "./".
2280
2281 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2282
2283         PR driver/34904
2284         * gcc.c (SWITCH_OK): Removed.
2285         (SWITCH_LIVE): Changed to bit.
2286         (SWITCH_FALSE): Likewise.
2287         (SWITCH_IGNORE): Likewise.
2288         (switchstr): Change live_cond to unsigned int.
2289         (process_command): Replace SWITCH_OK with 0.
2290         (do_self_spec): Likewise.
2291         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2292         (give_switch): Likewise.
2293         (used_arg): Likewise.
2294         (do_spec_1): Set the SWITCH_IGNORE bit.
2295         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2296         bits.  Set the SWITCH_LIVE bit.
2297
2298 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2299
2300         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2301
2302 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2303
2304         PR tree-optimization/34472
2305         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2306         parameter to a "bool *" and set *DATA to false if there is
2307         an unsafe access.  Do not delete the structure here.
2308         (check_cond_exprs): Delete it here instead.
2309         (check_cond_exprs, exclude_cold_structs): Do not increase
2310         I when removing a structure.
2311
2312 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2313
2314         PR target/34856
2315         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2316         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2317
2318 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2319
2320         PR middle-end/34934
2321         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2322         a fixed vector for stack.
2323
2324 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2325
2326         PR c++/25701
2327         * doc/gcc.texi (Software development): Add a direntry for g++.
2328         
2329 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2330
2331         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2332         stale and straggling -fforce-addr comments above.
2333
2334         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2335         define.
2336         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2337         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2338
2339 2008-01-23  Michael Matz  <matz@suse.de>
2340
2341         PR debug/34895
2342         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2343         gen_type_die.
2344
2345 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2346
2347         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2348         malloc result type.
2349
2350 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2351
2352         * config/avr/avr.c (avr_current_arch): New variable.
2353         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2354         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2355         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2356         (avr_override_options): Init 'avr_current_arch'. 
2357         (base_arch_s): Move from here...
2358         * config/avr/avr.h (base_arch_s): ... here. Add new members 
2359         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
2360         'mega' to 'have_jmp_call'.
2361         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
2362         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2363         macros.
2364         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
2365         architectures.
2366         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
2367         MULTILIB_MATCHES): (Ditto.).
2368
2369 2008-01-23  Richard Guenther  <rguenther@suse.de>
2370
2371         PR middle-end/31529
2372         * cgraphunit.c (cgraph_reset_node): Always mark the node
2373         not reachable if it is not queued already.
2374
2375 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2376
2377         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2378         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2379         (cputype_selected): New static variable.
2380         (bfin_handle_option): Set it if -mcpu is used.
2381         (override_option): Select default set of workarounds if no cpu type
2382         selected on the command line.
2383         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2384
2385         From  Michael Frysinger  <michael.frysinger@analog.com>
2386         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2387         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2388
2389         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2390         for bf547, bf523, bf524, and bf526.
2391         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2392         bf526.
2393         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2394         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2395         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2396         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2397         * doc/invoke.texi (Blackfin Options): Document that
2398         -mcpu now accept bf547, bf523, bf524, and bf526.
2399
2400 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2401
2402         PR rtl-optimization/34628
2403         * combine.c (try_combine): Stop and undo after the first combination
2404         if an autoincrement side-effect on the first insn has effectively
2405         been lost.
2406
2407 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2408
2409         PR target/34529
2410         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2411         Offset addresses are not valid for Altivec or paired float modes.
2412
2413 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2414
2415         PR c++/34607
2416         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2417         if DECL_INITIAL (decl) is error_mark_node.
2418
2419         PR c++/34914
2420         * c-common.c (handle_vector_size_attribute): Only allow
2421         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2422         the same way as pointer, array etc. types.
2423         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2424
2425         PR c++/34917
2426         * tree.c (build_type_attribute_qual_variant): Call
2427         build_qualified_type if attributes are equal, but quals are not.
2428
2429 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2430
2431         PR 32102
2432         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2433         * flags.h (warn_strict_aliasing): Remove.
2434         (warn_strict_overflow): Remove.
2435         * opts.c (warn_strict_aliasing): Remove.
2436         (warn_strict_overflow): Remove.
2437         * c-opts.c (c_common_handle_option): -Wall only sets
2438         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2439         (c_common_post_options): Give default values to -Wstrict-aliasing
2440         and -Wstrict-overflow if they are uninitialized.
2441         * common.opt (Wstrict-aliasing): Specify Var and Init.
2442         (Wstrict-overflow): Likewise.
2443
2444 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2445
2446         PR rtl-optimization/26854
2447         PR rtl-optimization/34400
2448         PR rtl-optimization/34884
2449         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2450         DF_RD->gen.
2451         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2452         (df_rd_bb_info.expanded_lr_out): Deleted
2453         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2454         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2455         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2456         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2457         Removed code to allocate, initialize or free expanded_lr_out.
2458         (df_rd_bb_local_compute_process_def): Restructured to make more
2459         understandable.
2460         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2461         sets if the sets are being trimmed.
2462
2463 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2464
2465         PR bootstrap/32287
2466         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2467         (as_vers): Likewise.
2468         * configure: Regenerated.
2469
2470 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2471
2472         PR middle-end/33092
2473         * tree-pass.h (pass_build_alias): New pass.
2474         * tree-ssa-alias.c (gate_build_alias): New.
2475         (pass_build_alias): New.
2476         * passes.c (init_optimization_passes): Add pass_build_alias after
2477         pass_create_structure_vars.
2478
2479 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2480
2481         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2482         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2483         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2484         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2485         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2486         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2487         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2488         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2489         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2490         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2491         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2492         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2493         * config/s390/s390.md (FP_ALL): New mode iterator.
2494         (_d): New mode attribute.
2495         ("*signbit<mode>2>"): Changed mode of first operand.
2496         ("isinf<mode>2"): Changed mode of first operand.
2497         ("*TDC_insn"): Adaptation for DFP modes.
2498
2499 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2500
2501         * tree.c (check_qualified_type): Improve function description.
2502
2503 2008-01-21  Jason Merrill  <jason@redhat.com>
2504
2505         PR c++/34196
2506         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2507         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2508         if it is set.
2509
2510 2008-01-21  DJ Delorie  <dj@redhat.com>
2511
2512         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2513         return zero.
2514
2515 2008-01-21  Richard Guenther  <rguenther@suse.de>
2516
2517         PR middle-end/34856
2518         * tree-cfg.c (verify_expr): Allow all invariant expressions
2519         instead of just constant class ones as reference argument.
2520         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2521         like any other constant.
2522         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2523
2524 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2525
2526         * regmove.c (fixup_match_1): Update call crossed frequencies.
2527
2528 2008-01-21  Richard Guenther  <rguenther@suse.de>
2529
2530         PR c/34885
2531         * tree-inline.c (setup_one_parameter): Deal with mismatched
2532         types using a VIEW_CONVERT_EXPR.
2533
2534 2008-01-21  Alon Dayan  <alond@il.ibm.com>
2535             Olga Golovanevsky  <olga@il.ibm.com>
2536         
2537         PR tree-optimization/34701
2538         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
2539         when the structure size is not a power of 2.
2540
2541 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
2542
2543         * doc/install.texi: Add doc for --enable-checking=df.
2544         
2545 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2546
2547         PR rtl-optimization/34808
2548         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
2549
2550 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2551
2552         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
2553         input.
2554
2555 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2556
2557         PR rtl-optimization/26854
2558         PR rtl-optimization/34400
2559         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
2560         DF_RD->gen.
2561         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
2562         (df_rd_bb_info.expanded_lr_out): New.
2563         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
2564         * loop_iv.c (iv_analysis_loop_init): Ditto.
2565         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2566         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2567         Added code to allocate, initialize or free expanded_lr_out.
2568         (df_rd_bb_local_compute_process_def): Restructured to make
2569         more understandable.
2570         (df_rd_confluence_n): Add code to do nothing with fake edges and
2571         code to no apply invalidate_by_call sets if the sets are being trimmed.
2572         (df_lr_local_finalize): Renamed to df_lr_finalize.
2573         (df_live_local_finalize): Renamed to df_live_finalize.
2574
2575 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2576
2577         PR target/34831
2578         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
2579         deciding whether to use reciprocal instructions.
2580
2581 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
2582
2583         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
2584         dwarf2out_note_section_used if cold_text_section is NULL.
2585
2586 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
2587
2588         PR gcov-profile/34610
2589         * tree-cfg.c (make_edges): Mark both outgoing edges from
2590         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
2591         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
2592         from OMP_FOR and OMP_CONTINUE outgoing edges.
2593
2594         * tree-profile.c (tree_profiling): Return early if
2595         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
2596         at the end.
2597         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
2598         from cfun to child_cfun.
2599         * function.h (struct function): Add after_tree_profile bit.
2600
2601 2008-01-19 Anatoly Sokolov <aesok@post.ru>
2602
2603         * config/avr/avr.S (_exit): Disable interrupt.
2604
2605 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
2606             Steven Bosscher  <stevenb.gcc@gmail.com>
2607
2608         PR rtl-optimization/26854
2609         PR rtl-optimization/34400
2610         * df-problems.c (df_live_scratch): New scratch bitmap.
2611         (df_live_alloc): Allocate df_live_scratch when doing df_live.
2612         (df_live_reset): Clear the proper bitmaps.
2613         (df_live_bb_local_compute): Only process the artificial defs once
2614         since the order is not important.
2615         (df_live_init): Init the df_live sets only with the variables
2616         found live by df_lr.
2617         (df_live_transfer_function): Use the df_lr sets to prune the
2618         df_live sets as they are being computed.  
2619         (df_live_free): Free df_live_scratch.
2620
2621 2008-01-18  Ian Lance Taylor  <iant@google.com>
2622
2623         * common.opt: Add fmerge-debug-strings.
2624         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
2625         flag_merge_debug_strings rather than flag_merge_constants.
2626         * doc/invoke.texi (Option Summary): Mention
2627         -fmerge-debug-strings.
2628         (Debugging Options): Document -fmerge-debug-strings.
2629
2630 2008-01-18  Ian Lance Taylor  <iant@google.com>
2631
2632         PR c++/33407
2633         * tree.h (DECL_IS_OPERATOR_NEW): Define.
2634         (struct tree_function_decl): Add new field operator_new_flag.
2635         * tree-inline.c (expand_call_inline): When inlining a call to
2636         operator new, force the return value to go into a variable, and
2637         set DECL_NO_TBAA_P on that variable.
2638         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
2639
2640 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
2641
2642         PR debug/34484
2643         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
2644         DWARF2_DEBUGGING_INFO.
2645         (dwarf2out_note_section_used): Ditto.  Add prototype.
2646         (have_multiple_function_sections, text_section_used,
2647         cold_text_section_used, *cold_text_sections): Move declarations
2648         before their uses.
2649
2650 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
2651
2652         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
2653         field and add signal_ra.
2654         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
2655         assignments to frame state pc.  Move end of stack check after
2656         MD_FALLBACK_FRAME_STATE_FOR.
2657         (uw_update_context_1): Use frame state signal_regs if set, instead
2658         of checking signal_frame flag.
2659         (uw_update_context): Use frame state signal_ra if set.
2660         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
2661         * config/xtensa/linux-unwind.h: New file.
2662
2663 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
2664
2665         * modulo-sched.c (get_sched_window): Fix comment typo.
2666
2667 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
2668
2669         PR tree-optimization/34648
2670         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
2671
2672 2008-01-17  Anatoly Sokolov <aesok@post.ru>
2673
2674         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
2675         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
2676
2677 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
2678
2679         PR rtl-optimization/34400
2680         * df-core.c (df_worklist_dataflow_overeager,
2681         df_worklist_dataflow_doublequeue): New functions.
2682         (df_worklist_dataflow): Two different worklist solvers.
2683         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
2684         New param.
2685
2686 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2687
2688         PR testsuite/34821
2689         * doc/invoke.texi: Document the dependence on pthread for fopenmp
2690         and ftree-parallelize-loops.
2691
2692 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
2693
2694         PR rtl-optimization/34826
2695         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
2696
2697 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2698
2699         * global.c (find_reg): Mark the eh regs as used if necessary.
2700         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
2701         * ra.h (struct allocno): no_eh_reg field added.  Changed
2702         no_stack_reg type to bitfield.
2703
2704 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
2705
2706         * tree.c (substitute_in_expr): Add missing 'break'.
2707
2708 2008-01-17  Richard Guenther  <rguenther@suse.de>
2709
2710         PR tree-optimization/34825
2711         * tree-ssa-math-opts.c (is_division_by): Do not recognize
2712         x / x as division to handle.
2713
2714 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2715
2716         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
2717         "-pthread" is specified.
2718         * pa-hpux11.h (LIB_SPEC): Likewise.
2719
2720 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
2721             Peter Bergner  <bergner@vnet.ibm.com>
2722
2723         PR rtl-optimization/33796
2724         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
2725
2726 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2727
2728         PR libgfortran/34699
2729         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
2730         static links.
2731         * pa-hpux10.h (LINK_SPEC): Likewise.
2732         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
2733
2734 2008-01-16  Richard Guenther  <rguenther@suse.de>
2735
2736         PR middle-end/32628
2737         * fold-const.c (fold_convert_const_int_from_int): Do not
2738         set overflow if that occured only because of a sign extension
2739         change when converting from/to a sizetype with the same
2740         precision and signedness.
2741
2742 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2743
2744         PR debug/34249
2745         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
2746         location address to the correct place.  Update copyright year.
2747
2748 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2749
2750         * lambda-code.c (lambda_transform_legal_p): Handle the case of
2751         no dependences in the dependence_relations vector.
2752
2753 2008-01-16  Jan Hubicka  <jh@suse.cz>
2754
2755         PR rtl-optimization/31396
2756         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
2757         * cfg.c (dump_reg_info): Print it.
2758         * regs.h (struct reg_info_t): add freq_calls_crossed.
2759         (REG_FREQ_CALLS_CROSSED): New macro.
2760         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
2761         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
2762         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2763         regmove_optimize): Update call crossed frequencies.
2764         * local-alloc.c (struct qty): Add freq_calls_crossed.
2765         (alloc_qty): Copute freq_calls_crossed.
2766         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
2767         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
2768         * ra.h (struct allocno): Add freq_calls_crossed.
2769
2770 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2771
2772         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
2773         libgomp when compiling with ftree-parallelize-loops.
2774         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
2775
2776 2008-01-16  Richard Guenther  <rguenther@suse.de>
2777
2778         PR tree-optimization/34769
2779         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
2780         * tree.c (int_cst_value): Instead make this function more
2781         permissive in what it accepts as valid input.  Document this
2782         function always sign-extends the value.
2783
2784 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
2785             Richard Guenther  <rguenther@suse.de>
2786
2787         PR c/34668
2788         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
2789         (gimple_fold_indirect_ref_rhs): ... this.
2790         (gimple_fold_indirect_ref): New function with foldings
2791         that preserve lvalueness.
2792         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
2793         * tree-flow.h (gimple_fold_indirect_ref): Declare.
2794         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
2795         to fold an INDIRECT_REF, fall back to the old use of
2796         fold_indirect_ref_1.
2797
2798 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2799
2800         * tree-data-ref.c (subscript_dependence_tester_1): Call 
2801         free_conflict_function.
2802         (compute_self_dependence): Same.
2803
2804 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2805
2806         PR debug/34249
2807         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
2808         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
2809         function global.
2810         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
2811         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
2812         for DWARF2_UNWIND_INFO targets.
2813
2814 2008-01-16  Richard Guenther  <rguenther@suse.de>
2815
2816         PR c/34768
2817         * c-typeck.c (common_pointer_type): Do not merge inconsistent
2818         type qualifiers for function types.
2819
2820 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
2821
2822         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
2823         loop_iterator li from previous commit.
2824
2825 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2826
2827         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
2828
2829 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2830
2831         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
2832         (parallelize_loops): Don't parallelize irreducible components.
2833
2834 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2835
2836         PR c++/24924
2837         * c-opts (c_common_post_options): Do not enable CPP
2838         flag_pedantic_errors by default.
2839         
2840 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
2841
2842         PR rtl-optimization/31944
2843         * cse.c (remove_pseudo_from_table): New function.
2844         (merge_equiv_classes): Use above function to remove pseudo-registers.
2845         (invalidate): Likewise.
2846
2847 2008-01-13  Richard Guenther  <rguenther@suse.de>
2848
2849         PR middle-end/34601
2850         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
2851         instead of TYPE_MODE to deal with calls from expand_one_error_var.
2852
2853 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
2854
2855         * gcse.c (cprop_jump): Call validate_unshare_change instead of
2856         validate_change to unshare the source of the PC set.
2857
2858 2008-01-12  Jan Hubicka  <jh@suse.cz>
2859
2860         PR middle-end/32135
2861         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
2862         references above array bounds.  This might trigger bounds checks for
2863         pointers to arrays.
2864
2865 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2866
2867         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
2868         new_replaceable_dependencies.
2869
2870 2008-01-12  Doug Kwan  <dougkwan@google.com>
2871
2872         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
2873         instead of OPT_Wreturn_type in warning due to ignored return type
2874         qualifiers.
2875         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
2876         options included in -Wextra.
2877         * c.opt: New option -Wignored_qualifiers.
2878         * doc/invoke.texi (Warning Options, -Wextra): Add new option
2879         -Wignore_qualifiers.
2880         (-Wignored-qualifiers): Document.
2881         (-Wreturn-type): Remove description of functionality now handled
2882         by -Wignored-qualifiers.
2883
2884 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
2885
2886         PR ada/33788
2887         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
2888         NOP_EXPR if it is between integral types with the same precision.
2889
2890 2008-01-12  Jan Hubicka  <jh@suse.cz>
2891
2892         PR other/28023
2893         * invoke.texi (max-inline-recursive-depth): Fix default value.
2894
2895 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
2896
2897         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
2898         correct type.
2899
2900 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
2901         
2902         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
2903         
2904 2008-01-11  James E. Wilson  <wilson@specifix.com>
2905
2906         PR target/26015
2907         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
2908
2909 2008-01-11  Anatoly Sokolov <aesok@post.ru>
2910
2911         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
2912         save/restore frame pointer register and don't use 'call-prologues' 
2913         optimization in function with "OS_task" attribute.
2914
2915 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2916
2917         PR middle-end/31309
2918         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
2919         when copying to memory.
2920
2921 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
2922
2923         PR rtl-optimization/30905
2924         * cfgcleanup.c: Include dce.h
2925         (crossjumps_occured): New global variable.
2926         (try_crossjump_bb): Exit loop after finding a fallthru edge.
2927         If something changed, set crossjumps_occured to true.
2928         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
2929         Don't add/remove fake edges to exit here...
2930         (cleanup_cfg): ...but do it here, when crossjumping.
2931         Run a fast DCE when successful crossjumps occured in the latest
2932         iteration of try_optimize_cfg.
2933
2934 2008-01-11  Richard Guenther  <rguenther@suse.de>
2935
2936         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
2937         (struct vn_unary_op_s): Likewise.
2938         (vn_reference_insert): Free old reference on hash collision.
2939
2940 2008-01-10  Raksit Ashok  <raksit@google.com>
2941
2942         PR rtl-optimization/27971
2943         * combine.c (find_split_point): Split PLUS expressions which are
2944         inside a MEM rtx, and whose first operand is complex.
2945
2946 2008-01-10  DJ Delorie  <dj@redhat.com>
2947
2948         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
2949         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
2950         (m32c_hard_regno_ok): Call the underlying function.
2951
2952 2008-01-10  Richard Guenther  <rguenther@suse.de>
2953
2954         PR middle-end/34683
2955         * tree-cfg.c (tree_merge_blocks): Do not go through the
2956         full-blown folding and stmt updating path if we just deal
2957         with virtual operands.
2958         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
2959         test for abnormal SSA_NAMEs.
2960
2961 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2962
2963         PR middle-end/34641
2964         * reload.c (push_reload): Add assertions.  All constants from
2965         reg_equiv_constant should have been used for replacing the respective
2966         pseudo earlier.
2967         (find_reloads_address): Invoke find_reloads_address_part for
2968         constant taken from the reg_equiv_constant array.
2969
2970 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
2971
2972         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
2973         field (valnum) the first in the struct.  Replace bools with
2974         unit bit fields.
2975
2976 2008-01-10  Richard Guenther  <rguenther@suse.de>
2977
2978         PR tree-optimization/34651
2979         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
2980         types and ordering for masking and converting.
2981
2982 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
2983
2984         PR tree-optimization/34017
2985         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
2986         also for PHI_NODE expressions.
2987
2988 2008-01-09  Jan Hubicka  <jh@suse.cz>
2989
2990         PR tree-optimization/34708
2991         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
2992         based on number of case labels.
2993         (init_inline_once): Remove switch_cost.
2994         * tree-inline.h (eni_weights_d): Remove switch_cost.
2995
2996 2008-01-09  Richard Guenther  <rguenther@suse.de>
2997         Andrew Pinski  <andrew_pinski@playstation.sony.com>
2998
2999         PR middle-end/30132
3000         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3001         temporary if an rvalue is ok or an lvalue is not required.
3002
3003 2008-01-09  Richard Guenther  <rguenther@suse.de>
3004
3005         PR middle-end/34458
3006         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3007         adjust return type.
3008
3009 2008-01-09  Richard Guenther  <rguenther@suse.de>
3010
3011         PR middle-end/34679
3012         * tree.c (host_integerp): Check for sizetype only if the
3013         type is an integer type.
3014
3015 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3016
3017         PR debug/26364
3018         * opts.c (decode_options): Disable inlining of functions called
3019         once if not in unit-at-a-time mode.
3020
3021 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3022
3023         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3024
3025 2008-01-08  Richard Guenther  <rguenther@suse.de>
3026
3027         PR middle-end/31863
3028         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3029         out early if the result will be unused.
3030
3031 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3032
3033         PR target/34709
3034         Revert:
3035
3036         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3037         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3038         for TARGET_RECIP.       
3039         
3040 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3041         
3042         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3043         for vectorization tuned.
3044         
3045 2008-01-08  Richard Guenther  <rguenther@suse.de>
3046
3047         PR tree-optimization/34683
3048         * tree-ssa-operands.c (operand_build_cmp): Export.
3049         * tree-ssa-operands.h (operand_build_cmp): Declare.
3050         * tree-vn.c (vuses_compare): Remove.
3051         (sort_vuses): Use operand_build_cmp.
3052         (sort_vuses_heap): Likewise.
3053         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3054         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3055         (vdefs_to_vec): Do not sort already sorted VDEFs.
3056
3057 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3058
3059         PR middle-end/34694
3060         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3061
3062 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3063
3064         PR target/34702
3065         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3066         limitations of reciprocal sequences on x86 targets.
3067
3068 2008-01-08  Richard Guenther  <rguenther@suse.de>
3069
3070         PR tree-optimization/34683
3071         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3072
3073 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3074
3075         PR target/34622
3076         * config/darwin.c (darwin_mergeable_string_section): Don't use
3077         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3078
3079 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3080
3081         PR target/34682
3082         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3083         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3084         predicates of op0 and op1 to register_operand.
3085         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3086         expander using X87MODEF mode iterator.  Change predicates of
3087         op0 and op1 to register_operand.
3088         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3089         corresponding patterns and macroize using MODEF macro.  Change
3090         predicates of op0 and op1 to register_operand and remove
3091         "m" constraint. Disparage "r" alternative with "!".
3092         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3093         macroize using X87MODEF macro.  Change predicates of op0 and op1
3094         to register_operand and remove "m" constraint.  Disparage "r"
3095         alternative with "!".
3096         (absneg splitter with memory operands): Remove.
3097         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3098         patterns and macroize using X87MODEF mode iterator.
3099         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3100         Change predicate of op1 to register_operand.
3101         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3102         for memory operands.
3103
3104 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3105
3106         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3107
3108 2008-01-07  Richard Guenther  <rguenther@suse.de>
3109
3110         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3111         fields.
3112
3113 2008-01-07  Richard Guenther  <rguenther@suse.de>
3114
3115         PR tree-optimization/34683
3116         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3117         VOPs of the needed size to save memory.  Use VEC_quick_push
3118         to save compile-time.
3119         (vdefs_to_vec): Likewise.
3120
3121 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3122
3123         * config/spu/spu.md (divdf3): Genetate inline code for double
3124         division.  The implementation doesn't handle INF or NAN, therefore it
3125         only applies when -ffinite-math-only is given.
3126
3127 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3128
3129         PR libstdc++/34680
3130         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3131         * doc/cpp.texi ([Common Predefined Macros]): Document.
3132
3133 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3134
3135         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3136         order to use commutative addition instead of subtraction.
3137
3138 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3139             Mircea Namolaru  <namolaru@il.ibm.com>
3140             Vladimir Yanovsky  <yanov@il.ibm.com>
3141             Revital Eres  <eres@il.ibm.com>
3142
3143         PR tree-optimization/34263
3144         * tree-outof-ssa.c (process_single_block_loop_latch,
3145         contains_tree_r): New functions.
3146         (analyze_edges_for_bb): Call process_single_block_loop_latch
3147         function to empty single-basic-block latch block if possible.
3148
3149 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3150
3151         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3152         for TARGET_RECIP.
3153         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3154
3155 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3156
3157         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3158
3159 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3160
3161         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3162
3163 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3164
3165         PR tree-optimization/34618
3166         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3167         flag from T.
3168
3169 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3170
3171         PR target/34673
3172         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3173         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3174         Update copyright year.
3175
3176         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3177         Update copyright year.
3178         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3179         using NR fixup.
3180
3181 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3182
3183         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3184         edge does not point to current bb before changing need_assert.
3185
3186 2008-01-04  Richard Guenther  <rguenther@suse.de>
3187
3188         PR middle-end/34029
3189         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3190         for verifying purposes if they are is_gimple_min_invariant.
3191
3192 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3193
3194         PR tree-optimization/34448
3195         PR tree-optimization/34465
3196         * gimplify.c (gimplify_init_constructor): Add new parameter
3197         notify_temp_creation.  Use it.
3198         (gimplify_modify_expr_rhs): Take volatiles into account when
3199         optimizing constructors.
3200         Do not optimize constructors if gimplify_init_constructor will dump to
3201         memory.
3202         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3203         * gcc.c-torture/compile/pr34448.c: New.
3204
3205 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3206
3207         PR gcov-profile/34609
3208         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3209         return_slot if result is TREE_ADDRESSABLE.
3210
3211 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3212
3213         * config/mips/mips.md (sqrt_condition): Tweak comment.
3214         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3215
3216 2008-01-03  Tom Tromey  <tromey@redhat.com>
3217
3218         PR c/34457
3219         * c-common.c (c_type_hash): Handle VLAs.
3220
3221 2008-01-03  Jan Hubicka  <jh@suse.cz>
3222
3223         PR tree-optimization/31081
3224         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3225         0 when inlining and not inlining to first basic block.
3226         (remap_decl): When var is initialized to 0, don't set default_def.
3227         (expand_call_inline): Set entry_bb.
3228         * tree-inline.h (copy_body_data): Add entry_bb.
3229
3230 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3231
3232         PR c++/34619
3233         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3234         before returning.
3235
3236         PR tree-optimization/29484
3237         * tree-inline.c (inline_forbidden_p_2): New function.
3238         (inline_forbidden_p): Disallow inlining if some static var
3239         has an address of a local LABEL_DECL in its initializer.
3240         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3241         vs. inlining.
3242
3243 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3244
3245         PR tree-optimization/34635
3246         * tree-data-ref.c (add_other_self_distances): Make sure that the
3247         evolution step is constant.
3248
3249 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3250
3251         PR middle-end/34608
3252         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3253
3254 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3255
3256         * tree-sra.c (scalarize_init): Insert the generate_element_init
3257         statements after the generate_element_zero statements.
3258
3259 2008-01-02  Richard Guenther  <rguenther@suse.de>
3260
3261         PR middle-end/34093
3262         PR middle-end/31976
3263         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3264         for very large number of operands instead of ICEing.
3265
3266 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3267
3268         PR target/34013
3269         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3270         while stack probing.
3271
3272 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3273
3274         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3275         in C++0x mode.
3276
3277 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3278
3279         PR libmudflap/26442
3280         * tree-mudflap.c (mx_register_decls): Guard warning by
3281         !DECL_ARTIFICIAL check.
3282
3283 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3284
3285         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3286         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3287         sse5_perm<mode>): Fix constraints.