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1 2008-03-04  Jan Hubicka  <jh@suse.cz>
2
3         PR c++/35262
4         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
5         in last commit.
6
7 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
8
9         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
10         (__gthr_win32_mutex_destroy): Declare.
11         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
12         __gthr_win32_mutex_destroy.
13         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
14
15 2008-03-03  Jan Hubicka  <jh@suse.cz>
16
17         PR c++/35262
18         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
19         aggressive on inlining cold calls.
20
21 2008-03-03  Richard Guenther  <rguenther@suse.de>
22
23         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
24         struct copies into the expression table.
25         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
26         (try_to_simplify): Likewise.
27         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
28         integral and pointer arguments which do not change the
29         precision to NOP_EXPRs.
30         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
31         VIEW_CONVERT_EXPR case.
32
33 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
34
35         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
36         defined in a loop at depth 0 is invariant.
37         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
38         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
39         be called at loop depth 0.
40
41 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
42
43         PR driver/35420
44         * gcc.c (process_command): Update copyright notice dates.
45         * gcov.c (print_version): Likewise.
46         * gcov-dump.c (print_version): Likewise.
47         * mips-tfile.c (main): Likewise.
48         * mips-tdump.c (main): Likewise.
49
50 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
51
52         PR 24924
53         * c-common.c (flag_permissive): Delete.
54         (constant_expression_warnings): Check flags first.
55         (constant_expression_error): New.
56         * c-common.h (flag_permissive): Delete.
57         (constant_expression_error): Declare.
58         * flags.h (flag_permissive): Declare. Update description.
59         * diagnostic.c (pedwarn): Update.
60         (permerror): New.
61         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
62         (permissive_error_kind): New.
63         * toplev.c (flag_permissive): Define. Update description.
64         * toplev.h (permissive_error_kind): Declare.
65         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
66         (pedwarn_c90): Use pedantic_warning_kind.
67         * c-opts.c (c_common_post_options): flag_permissive does not affect
68         flag_pedantic_errors.
69
70 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
71
72         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
73         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
74         __absvsi2, __absvDI2): Use unsigned arithmetic.
75
76 2008-03-02  Andi Kleen  <ak@suse.de>
77         Richard Guenther  <rguenther@suse.de>
78
79         * struct-equiv.c: Remove file.
80         * cfg_cleanup.c (condjump_equiv_p): Remove.
81         * Makefile.in (OBJS-common): Remove struct-equiv.o.
82         (struct-equiv.o): Remove rule.
83         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
84         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
85         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
86
87 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
88
89         * ifcvt.c (noce_process_if_block): Try to handle only the then
90         block if the else block exists but isn't suitable.
91
92 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
93
94         PR gcc/35063
95         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
96         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
97         regression from previous patch.
98
99 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
100
101         PR gcc/35063
102         * gthr.h: Add __gthread_mutex_destroy as a function that must be
103         implemented.
104         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
105         * gthr-single.h (__gthread_mutex_destroy): Likewise.
106         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
107         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
108         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
109         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
110         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
111         (__gthread_mutex_destroy_function): Rename to
112         __gthread_mutex_destroy.
113         * gthr-dce.h (__gthread_mutex_destroy): Call
114         pthread_mutex_destroy.
115         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
116         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
117         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
118
119 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
120
121         * df-scan.c (df_ref_chain_change_bb): Simplify.
122         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
123         set_block_for_insn if there's any change.
124         * df.h ((df_insn_change_bb): Fix prototype.
125         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
126         df_insn_change_bb, don't call set_block_for_insn.
127         * emit-rtl.c (reorder_insns): Likewise.
128         * haifa-sched.c (move_insn): Likewise.
129
130 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
131
132         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
133
134 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
135
136         * tree-flow-inline.h (next_readonly_imm_use): Return
137         NULL_USE_OPERAND_P after the end.
138
139 2008-03-01  Richard Guenther  <rguenther@suse.de>
140
141         PR tree-optimization/35411
142         * tree-sra.c (sra_build_assignment): Split conversion to
143         final type to a separate statement if we are not assigning
144         to a register.
145
146 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
147
148         * fold-const.c (fold_convertible_p): Correct the logic to follow
149         that in fold_convert().
150
151 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
152
153         PR c++/35315
154         * tree-inline.c (build_duplicate_type): When we make a
155         duplicate type, make it unique in the canonical types system.
156
157 2008-02-29  Tom Tromey  <tromey@redhat.com>
158
159         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
160         input_file_stack_history, input_file_stack_restored): Remove.
161         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
162         * input.h (struct file_stack): Remove.
163         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
164         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
165         Likewise.
166         * diagnostic.h (struct diagnostic_context) <last_module>: Change
167         type.
168         (diagnostic_last_module_changed): Add 'map' argument.
169         (diagnostic_set_last_function): Likewise.
170         * diagnostic.c (undiagnostic_report_current_module): Iterate using
171         line map, not input_file_stack.
172         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
173
174 2008-02-29  Paul Brook  <paul@codesourcery.com>
175
176         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
177
178 2008-02-29  Paul Brook  <paul@codesourcery.com>
179
180         * config/arm/ieee754-df.S (muldf3): Use RET macros.
181
182 2008-02-29  Richard Guenther  <rguenther@suse.de>
183
184         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
185         vn_lookup_or_add.
186         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
187         value for comparing for a store match.
188         (simplify_unary_expression): Do nothing for SSA_NAMEs.
189         (try_to_simplify): Do not do a full-blown reference lookup.
190
191 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
192
193         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
194         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
195
196         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
197
198 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
199
200         * tree-loop-linear.c (try_interchange_loops): Compare memory access
201         strides against cache sizes.
202
203 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
204
205         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
206         constant to fpul.
207
208 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
209
210         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
211         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
212         is smaller than the original promoted value.
213         (simplify_subreg): If OP is a SUBREG, try to preserve its
214         SUBREG_PROMOTED_VAR_P information.
215
216 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
217
218         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
219         (VN_INFO_GET): Allocate new objects on the obstack.
220         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
221         for rpo_numbers_temp, for consistency.
222         (free_scc_vn): Free the obstack.
223
224 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
225
226         * doc/invoke.texi: Document -ftree-loop-distribution.
227         * tree-loop-distribution.c: New.
228         * tree-pass.h (pass_loop_distribution): New.
229         * graphds.h (struct graph): Add htab_t indices.
230         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
231         * tree-vectorizer.c (rename_variables_in_loop): Extern.
232         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
233         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
234         * tree-data-ref.c (debug_data_dependence_relations): New.
235         (dump_data_dependence_relation): Also print data references.
236         (free_data_ref): Extern.
237         (same_access_functions): Moved...
238         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
239         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
240         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
241         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
242         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
243         (stmts_from_loop): Skip LABEL_EXPR.
244         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del): New.
245         (build_rdg): Initialize rdg->indices htab.
246         (free_rdg, stores_from_loop, ref_base_address,
247         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
248         have_similar_memory_accesses_1, ref_base_address_1,
249         remove_similar_memory_refs): New.
250         * tree-data-ref.h: Depend on tree-chrec.h.
251         (debug_data_dependence_relations, free_data_ref): Declared.
252         (same_access_functions): ... here.
253         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level): New.
254         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
255         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
256         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
257         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
258         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
259         rdg_vertex_for_stmt): Declared.
260         (struct rdg_edge): Add level.
261         (RDGE_LEVEL): New.
262         (free_rdg, stores_from_loop, remove_similar_memory_refs,
263         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses): Declared.
264         (rdg_has_similar_memory_accesses): New.
265         * tree-vect-analyze.c: Remove unused static decls.
266         * lambda.h (dependence_level): New.
267         * common.opt (ftree-loop-distribution): New.
268         * tree-flow.h (mark_virtual_ops_in_bb, 
269         slpeel_tree_duplicate_loop_to_edge_cfg,
270         rename_variables_in_loop): Declared.
271         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
272         (OBJS-common): Add tree-loop-distribution.o.
273         (tree-loop-distribution.o): New rule.
274         * tree-cfg.c (mark_virtual_ops_in_bb): New.
275         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
276         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
277
278 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
279
280         PR target/33963
281         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
282         other than structures and unions.
283
284 2008-02-28  Richard Guenther  <rguenther@suse.de>
285
286         Revert:
287         2008-02-26  Richard Guenther  <rguenther@suse.de>
288
289         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
290         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
291         (lookup_decl_from_uid): Declare.
292         (remove_decl_from_map): Likewise.
293         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
294         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
295         (decl_for_uid_map): New global hashtable mapping DECL_UID
296         to the decl tree.
297         (init_ttree): Allocate it.
298         (insert_decl_to_uid_decl_map): New helper function.
299         (make_node_stat): Insert new decls into the map.
300         (copy_node_stat): Likewise.
301         (lookup_decl_from_uid): New function.
302         (remove_decl_from_map): Likewise.
303         (print_decl_for_uid_map_statistics): New helper.
304         (dump_tree_statistics): Call it.
305
306         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
307         (referenced_var_iterator): Adjust.
308         (FOR_EACH_REFERENCED_VAR): Adjust.
309         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
310         (num_referenced_vars): Adjust.
311         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
312         (first_referenced_var): Remove.
313         (end_referenced_vars_p): Likewise.
314         (next_referenced_var): Likewise.
315         (referenced_var_iterator_set): New helper function.
316         * tree-dfa.c (referenced_var_lookup): Adjust.
317         (referenced_var_check_and_insert): Likewise.
318         (remove_referenced_var): Likewise.
319         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
320         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
321         (verify_call_clobbering): Likewise.
322         (verify_memory_partitions): Likewise.
323         (init_tree_ssa): Allocate bitmap instead of hashtable for
324         referenced_vars.
325         (delete_tree_ssa): Adjust.
326         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
327         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
328         (compute_tag_properties): Likewise.
329         (set_initial_properties): Likewise.
330         (find_partition_for): Likewise.
331         (update_reference_counts): Likewise.
332         (dump_may_aliases_for): Likewise.
333         * tree-ssa-operands.c (add_virtual_operand): Likewise.
334         (add_call_clobber_ops): Likewise.
335         (add_call_read_ops): Likewise.
336         (get_asm_expr_operands): Likewise.
337         * tree-into-ssa.c (dump_decl_set): Likewise.
338         (update_ssa): Likewise.
339         * tree-sra.c (scan_function): Likewise.
340         (decide_instantiations): Likewise.
341         (scalarize_parms): Likewise.
342         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
343         (dsa_named_for): Likewise.
344         * tree-ssa-structalias.c (update_alias_info): Likewise.
345         (merge_smts_into): Likewise.
346
347 2008-02-27  David Daney  <ddaney@avtrex.com>
348
349         PR target/34409
350         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
351         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
352         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
353         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
354         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
355
356 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
357
358         PR target/25477
359         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
360         (BUILT_IN_NEXTTOWARD): Remove.
361         (BUILT_IN_NEXTTOWARDF): Ditto.
362         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
363         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
364
365 2008-02-27  Tom Tromey  <tromey@redhat.com>
366
367         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
368         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
369
370 2008-02-27  Jan Beulich  <jbeulich@novell.com>
371
372         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
373         update the respective field on newdecl.
374
375 2008-02-27  Revital Eres  <eres@il.ibm.com>
376
377         PR rtl-optimization/34999
378         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
379         crossing edges that ends with a call insn.
380         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
381         call insn and clear the EDGE_CROSSING flag of the crossing edge
382         when fixing fallthru edges.
383
384 2008-02-27  Richard Guenther  <rguenther@suse.de>
385
386         PR middle-end/35390
387         * fold-const.c (fold_unary): Return the correct argument,
388         converted to the result type.
389
390 2008-02-27  Richard Guenther  <rguenther@suse.de>
391
392         PR middle-end/34971
393         * expr.c (expand_expr_real_1): Assert on rotates that operate
394         on partial modes.
395         * fold-const.c (fold_binary): Use the types precision, not the
396         bitsize of the mode if folding rotate expressions.  Build rotates
397         only for full modes.
398
399 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
400
401         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
402         and CPP_PRAGMA_EOL.
403         * c-pragma.c (pragma_ns_name): New typedef.
404         (registered_pp_pragmas): New variable.
405         (c_pp_lookup_pragma): New function.
406         (c_register_pragma_1): If flag_preprocess_only, do nothing
407         for non-expanded pragmas, for expanded ones push pragma's
408         namespace and name into registered_pp_pragmas vector.
409         (c_invoke_pragma_handler): Register OpenMP pragmas even when
410         flag_preprocess_only, don't register GCC pch_preprocess
411         pragma if flag_preprocess_only.
412         * c-opts.c (c_common_init): Call init_pragma even if
413         flag_preprocess_only.
414         * c-pragma.c (c_pp_lookup_pragma): New prototype.
415         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
416         cpp_register_pragma if flag_preprocess_only.
417
418 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
419
420         PR c/28800
421         * c-parser.c (c_parser_translation_unit): Warn for empty
422         translation unit, not empty source file.
423
424 2008-02-26  Paul Brook  <paul@codesourcery.com>
425
426         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
427         operand for Thumb-2.
428         * config/arm/arm.h (reg_class): Add CORE_REGS.
429         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
430         (BASE_REG_CLASS): Use CORE_REGS.
431         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
432         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
433         (REGNO_OK_FOR_INDEX_P): Exclude SP.
434         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
435         ARM_REGNO_OK_FOR_INDEX_P.
436         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
437         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
438         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
439         (ldm/stm peepholes): Ditto.
440         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
441         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
442         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
443         * config/arm/constraints.md: Enable "k" constraint on ARM.
444
445 2008-02-27  Ben Elliston  <bje@au.ibm.com>
446
447         * config/rs6000/rs6000.c: Annotate cache line size field in all
448         instances of struct processor_costs.
449
450 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
451
452         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
453         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
454         jump_bypass): New counters.
455         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
456         * dce.c (gate_ud_dce): Same.
457         (gate_fast_dce): Same.
458         * dse.c (gate_dse1): New function.
459         (gate_dse2): New function.
460         (gate_dse): Merge results of new gate functions.
461         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
462         (gate_handle_jump_bypass): Add dbg_cnt.
463         (gate_handle_gcse): Add dbg_cnt.
464         * ifcvt.c (gate_handle_if_conversion): Same.
465         (gate_handle_if_after_combine): Same.
466         (gate_handle_if_after_reload): Same.
467         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
468
469 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
470
471         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
472         line sizes.
473         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
474
475 2008-02-26  Jason Merrill  <jason@redhat.com>
476
477         PR c++/35315
478         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
479         alone if it's the naming decl for the type's main variant.
480
481 2008-02-26  Tom Tromey  <tromey@redhat.com>
482
483         * system.h (USE_MAPPED_LOCATION): Poison.
484         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
485         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
486         (make_goto_expr_edges): Likewise.
487         (remove_bb): Likewise.
488         (execute_warn_function_return): Likewise.
489         * basic-block.h (struct edge_def) <goto_locus>: Change type to
490         location_t.
491         * c-common.c (fname_decl): Remove old location code.
492         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
493         location code.
494         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
495         variant.
496         (ASM_INPUT_SOURCE_LOCATION): Likewise.
497         (gen_rtx_ASM_INPUT): Likewise.
498         (gen_rtx_ASM_INPUT_loc): Likewise.
499         (get_rtx_asm_OPERANDS): Remove.
500         * cfglayout.c (insn_locators_alloc): Remove old location code.
501         (set_curr_insn_source_location): Likewise.
502         (curr_insn_locator): Likewise.
503         * print-tree.c (print_node): Remove old location code.
504         * tree-mudflap.c (mf_varname_tree): Remove old location code.
505         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
506         * cfgexpand.c (expand_gimple_cond_expr): Don't use
507         location_from_locus.
508         (construct_exit_block): Remove old location code.
509         * emit-rtl.c (force_next_line_note): Remove old location code.
510         * profile.c (branch_prob): Remove old location code.
511         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
512         LOC_LINE): Remove old-location variants.
513         * langhooks.c (lhd_print_error_function): Remove old location
514         code.
515         * configure, config.in: Rebuilt.
516         * configure.ac (--enable-mapped-location): Remove.
517         * c-decl.c (c_init_decl_processing): Remove old location code.
518         (finish_function): Likewise.
519         * recog.c (decode_asm_operands): Remove old location code.
520         * c-pch.c (c_common_read_pch): Remove old location code.
521         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
522         variants.
523         * gimple-low.c (lower_function_body): Remove old location code.
524         * toplev.c (unknown_location): Remove.
525         (push_srcloc): Remove old-location variant.
526         (process_options): Remove old location code.
527         (lang_dependent_init): Likewise.
528         * input.h (UNKNOWN_LOCATION): Move definition.
529         (location_t): Undeprecate.
530         (source_locus): Remove.
531         (location_from_locus): Remove.
532         (struct location_s): Remove.
533         Remove all old-location code.
534         (input_line, input_filename): Remove.
535         * final.c (final_scan_insn): Remove old location code.
536         * diagnostic.c (diagnostic_build_prefix): Remove
537         USE_MAPPED_LOCATION test.
538         * tree.h (gimple_stmt) <locus>: Now a location_t.
539         (tree_exp) <locus>: Likewise.
540         (DECL_IS_BUILTIN): Remove old-location variant.
541         (annotate_with_file_line, annotate_with_locus): Likewise.
542         (expr_locus, set_expr_locus): Update.
543         * tree.c (build1_stat): Remove old location code.
544         (last_annotated_node): Remove.
545         (annotate_with_file_line): Remove old-location variant.
546         (annotate_with_locus): Likewise.
547         (expr_location): Remove old location code.
548         (set_expr_location): Likewise.
549         (expr_has_location): Likewise.
550         (expr_locus): Likewise.
551         (set_expr_locus): Likewise.
552         (expr_filename): Don't use location_from_locus.
553         (expr_lineno): Likewise.
554         * rtl-error.c (location_for_asm): Remove old location code.
555         * c-lex.c (cb_line_change): Remove old location code.
556         (fe_file_change): Likewise.
557         (cb_def_pragma): Likewise.
558         (c_lex_with_flags): Likewise.
559         * gengtype.c (do_typedef): Don't special-case location types.
560         (define_location_structures): Remove.
561         (main): Don't call define_location_structures.
562         * tree-pretty-print.c (dump_implicit_edges): Remove old location
563         code.
564
565 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
566
567         PR 26264
568         * builtins.def (BUILT_IN_STDARG_START): Remove.
569         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
570         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
571         * tree-inline.c (inline_forbidden_p_1): Likewise.
572         
573 2008-02-26  Richard Guenther  <rguenther@suse.de>
574
575         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
576         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
577         (lookup_decl_from_uid): Declare.
578         (remove_decl_from_map): Likewise.
579         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
580         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
581         (decl_for_uid_map): New global hashtable mapping DECL_UID
582         to the decl tree.
583         (init_ttree): Allocate it.
584         (insert_decl_to_uid_decl_map): New helper function.
585         (make_node_stat): Insert new decls into the map.
586         (copy_node_stat): Likewise.
587         (lookup_decl_from_uid): New function.
588         (remove_decl_from_map): Likewise.
589         (print_decl_for_uid_map_statistics): New helper.
590         (dump_tree_statistics): Call it.
591
592         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
593         (referenced_var_iterator): Adjust.
594         (FOR_EACH_REFERENCED_VAR): Adjust.
595         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
596         (num_referenced_vars): Adjust.
597         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
598         (first_referenced_var): Remove.
599         (end_referenced_vars_p): Likewise.
600         (next_referenced_var): Likewise.
601         (referenced_var_iterator_set): New helper function.
602         * tree-dfa.c (referenced_var_lookup): Adjust.
603         (referenced_var_check_and_insert): Likewise.
604         (remove_referenced_var): Likewise.
605         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
606         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
607         (verify_call_clobbering): Likewise.
608         (verify_memory_partitions): Likewise.
609         (init_tree_ssa): Allocate bitmap instead of hashtable for
610         referenced_vars.
611         (delete_tree_ssa): Adjust.
612         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
613         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
614         (compute_tag_properties): Likewise.
615         (set_initial_properties): Likewise.
616         (find_partition_for): Likewise.
617         (update_reference_counts): Likewise.
618         (dump_may_aliases_for): Likewise.
619         * tree-ssa-operands.c (add_virtual_operand): Likewise.
620         (add_call_clobber_ops): Likewise.
621         (add_call_read_ops): Likewise.
622         (get_asm_expr_operands): Likewise.
623         * tree-into-ssa.c (dump_decl_set): Likewise.
624         (update_ssa): Likewise.
625         * tree-sra.c (scan_function): Likewise.
626         (decide_instantiations): Likewise.
627         (scalarize_parms): Likewise.
628         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
629         (dsa_named_for): Likewise.
630         * tree-ssa-structalias.c (update_alias_info): Likewise.
631         (merge_smts_into): Likewise.
632
633 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
634
635         PR 34351
636         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
637         * c-opts.c (c_common_handle_option): Wall enables
638         Wvolatile-register-var.
639         * common.opt: Move Wvolatile-register-var to...
640         * c.opt: ...here.
641         
642 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
643
644         * common.opt (Wlarger-than=): New.
645         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
646         -Wlarger-than=.
647         * opts.c (common_handle_option): Handle -Wlarger-than=.
648         * optc-gen.awk: Likewise.
649         * opth-gen.awk: Likewise.
650         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
651         * tree-optimize.c (tree_rest_of_compilation): Likewise.
652         
653 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
654
655         * c-common.c (match_case_to_enum_1): Add appropriate
656         OPT_W* parameter to warning.
657         (c_do_switch_warnings): Likewise.
658         * c-typeck.c (warning_init): Add one more parameter following
659         'warning' function.
660         (push_init_level): Update call to warning_init.
661         (pop_init_level): Likewise.
662         (add_pending_init): Likewise.
663         (output_init_element: Likewise.
664
665 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
666
667         PR 28322
668         * toplev.c (toplev_main): If there are warnings or error, print
669         errors for ignored options.
670         * opts.c (ignored_options): New static variable.
671         (postpone_unknown_option_error): New.
672         (print_ignored_options): New.
673         (handle_option): Postpone errors for unknown -Wno-* options.
674         * opts.h (print_ignored_options): Declare.
675         
676 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
677
678         * config/mips/mips.md (loadgp_blockage, blockage): Change type
679         to "ghost".
680
681 2008-02-25  Richard Guenther  <rguenther@suse.de>
682
683         Revert:
684         2008-02-25  Richard Guenther  <rguenther@suse.de>
685
686         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
687         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
688         (lookup_decl_from_uid): Declare.
689         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
690         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
691         (decl_for_uid_map): New global hashtable mapping DECL_UID
692         to the decl tree.
693         (init_ttree): Allocate it.
694         (insert_decl_to_uid_decl_map): New helper function.
695         (make_node_stat): Insert new decls into the map.
696         (copy_node_stat): Likewise.
697         (lookup_decl_from_uid): New function.
698         (print_decl_for_uid_map_statistics): New helper.
699         (dump_tree_statistics): Call it.
700
701         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
702         (referenced_var_iterator): Adjust.
703         (FOR_EACH_REFERENCED_VAR): Adjust.
704         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
705         (num_referenced_vars): Adjust.
706         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
707         (first_referenced_var): Remove.
708         (end_referenced_vars_p): Likewise.
709         (next_referenced_var): Likewise.
710         (referenced_var_iterator_set): New helper function.
711         * tree-dfa.c (referenced_var_lookup): Adjust.
712         (referenced_var_check_and_insert): Likewise.
713         (remove_referenced_var): Likewise.
714         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
715         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
716         (verify_call_clobbering): Likewise.
717         (verify_memory_partitions): Likewise.
718         (init_tree_ssa): Allocate bitmap instead of hashtable for
719         referenced_vars.
720         (delete_tree_ssa): Adjust.
721         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
722         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
723         (compute_tag_properties): Likewise.
724         (set_initial_properties): Likewise.
725         (find_partition_for): Likewise.
726         (update_reference_counts): Likewise.
727         (dump_may_aliases_for): Likewise.
728         * tree-ssa-operands.c (add_virtual_operand): Likewise.
729         (add_call_clobber_ops): Likewise.
730         (add_call_read_ops): Likewise.
731         (get_asm_expr_operands): Likewise.
732         * tree-into-ssa.c (dump_decl_set): Likewise.
733         (update_ssa): Likewise.
734         * tree-sra.c (scan_function): Likewise.
735         (decide_instantiations): Likewise.
736         (scalarize_parms): Likewise.
737         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
738         (dsa_named_for): Likewise.
739         * tree-ssa-structalias.c (update_alias_info): Likewise.
740         (merge_smts_into): Likewise.
741
742 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
743
744         PR fortran/29549
745         * doc/invoke.texi (-fcx-limited-range): Document new option.
746         * toplev.c (process_options): Handle -fcx-fortran-rules.
747         * common.opt: Add documentation for -fcx-fortran-rules.
748
749 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
750
751         PR c/35162
752         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
753         actual behaviour and C99.
754         
755 2008-02-26  Ben Elliston  <bje@au.ibm.com>
756
757         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
758         (ASM_CPU_POWER6_SPEC): Likewise.
759         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
760         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
761         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
762
763 2008-02-25  Richard Guenther  <rguenther@suse.de>
764
765         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
766         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
767         (lookup_decl_from_uid): Declare.
768         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
769         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
770         (decl_for_uid_map): New global hashtable mapping DECL_UID
771         to the decl tree.
772         (init_ttree): Allocate it.
773         (insert_decl_to_uid_decl_map): New helper function.
774         (make_node_stat): Insert new decls into the map.
775         (copy_node_stat): Likewise.
776         (lookup_decl_from_uid): New function.
777         (print_decl_for_uid_map_statistics): New helper.
778         (dump_tree_statistics): Call it.
779
780         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
781         (referenced_var_iterator): Adjust.
782         (FOR_EACH_REFERENCED_VAR): Adjust.
783         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
784         (num_referenced_vars): Adjust.
785         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
786         (first_referenced_var): Remove.
787         (end_referenced_vars_p): Likewise.
788         (next_referenced_var): Likewise.
789         (referenced_var_iterator_set): New helper function.
790         * tree-dfa.c (referenced_var_lookup): Adjust.
791         (referenced_var_check_and_insert): Likewise.
792         (remove_referenced_var): Likewise.
793         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
794         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
795         (verify_call_clobbering): Likewise.
796         (verify_memory_partitions): Likewise.
797         (init_tree_ssa): Allocate bitmap instead of hashtable for
798         referenced_vars.
799         (delete_tree_ssa): Adjust.
800         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
801         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
802         (compute_tag_properties): Likewise.
803         (set_initial_properties): Likewise.
804         (find_partition_for): Likewise.
805         (update_reference_counts): Likewise.
806         (dump_may_aliases_for): Likewise.
807         * tree-ssa-operands.c (add_virtual_operand): Likewise.
808         (add_call_clobber_ops): Likewise.
809         (add_call_read_ops): Likewise.
810         (get_asm_expr_operands): Likewise.
811         * tree-into-ssa.c (dump_decl_set): Likewise.
812         (update_ssa): Likewise.
813         * tree-sra.c (scan_function): Likewise.
814         (decide_instantiations): Likewise.
815         (scalarize_parms): Likewise.
816         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
817         (dsa_named_for): Likewise.
818         * tree-ssa-structalias.c (update_alias_info): Likewise.
819         (merge_smts_into): Likewise.
820
821 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
822
823         PR target/35258
824         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
825         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
826         * alias.h (nonoverlapping_memrefs_p): Likewise.
827
828 2008-02-25  Jan Beulich  <jbeulich@novell.com>
829
830         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
831         * config/i386/netware-libgcc.exp: Add __bswap?i2,
832         __emultls_get_address, __emultls_register_common,
833         __floatundi?f, and _Unwind_GetIPInfo.
834         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
835         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
836         (gen_regparm_prefix): Likewise.
837         (i386_nlm_encode_section_info): Sync with
838         config/i386/winnt.c:i386_pe_encode_section_info().
839         (i386_nlm_maybe_mangle_decl_assembler_name): New.
840         i386_nlm_mangle_decl_assembler_name): New.
841         (netware_override_options): New.
842         * config/i386/netware.h (netware_override_options): Declare.
843         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
844         (i386_nlm_mangle_decl_assembler_name): Declare.
845         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
846
847 2008-02-25  Ben Elliston  <bje@au.ibm.com>
848
849         PR other/32948
850         * c-decl.c (grokdeclarator): Remove unused local variables
851         `typedef_type' and `type_as_written'.
852         * bb-reorder.c
853         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
854         unused local variable `has_hot_blocks'.
855         (fix_crossing_conditional_branches): Remove unused local variable
856         `prev_bb'.
857         
858 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
859
860         PR middle-end/19984
861         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
862         using DEF_C99_BUILTIN.
863         (BUILT_IN_NANF): Ditto.
864         (BUILT_IN_NANL): Ditto.
865
866 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
867             Revital Eres  <eres@il.ibm.com>
868
869         * modulo-sched.c (calculate_must_precede_follow): Address TODO
870         regarding the order of two dependent insns in the same row.
871
872 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
873
874         * stor-layout.c (layout_decl): Do not bump the alignment of a
875         bit-field to more than byte alignment if it is packed.
876
877 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
878
879         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
880         e300c2 and e300c3.
881
882 2008-02-24  Diego Novillo  <dnovillo@google.com>
883
884         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
885
886         PR 33738
887         * tree-vrp.c (vrp_evaluate_conditional): With
888         -Wtype-limits, emit a warning when comparing against a
889         constant outside the natural range of OP0's type.
890         * c.opt (Wtype-limits): Move ...
891         * common.opt (Wtype-limits): ... here.
892
893 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
894
895         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
896         * config/rs6000/e300c2c3.md: New file.
897         * config/rs6000/rs6000.c (processor_costs): Add new costs for
898         e300c2 and e300c3.
899         (rs6000_override_options): Add e300c2 and e300c3 cases to
900         processor_target_table. Do not allow usage of Altivec or Spe
901         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
902         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
903         * config/rs6000/rs6000.h (processor_type): Add
904         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
905         (ASM_CPU_SPEC): Add e300c2 and e300c3.
906         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
907         and ppce300c3. Include e300c2c3.md.
908
909 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
910
911         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
912         instead of TARGET_STRICT_ALIGN.
913
914 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
915
916         * explow.c (memory_address): Assert that the generated address is
917         valid.
918
919 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
920
921         PR target/25477
922         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
923         * config/darwin-ppc-ldouble-patch.def: New file.
924         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
925         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
926         SUBTARGET_INIT_BUILTINS if defined.
927         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
928         New functions.
929
930 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
931
932         PR rtl-opt/33512
933         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
934         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
935
936 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
937
938         PR pch/35027
939         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
940         file" warning condtional on -Winvalid-PCH.
941
942 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
943
944         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
945
946 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
947
948         PR target/22076
949         PR target/34256 
950         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
951         prevent reload from using MMX registers.
952         (*mov<mode>_internal): Ditto.
953         (*movv2sf_internal_rex64): Ditto.
954         (*movv2sf_internal): Ditto.
955
956 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
957
958         PR documentation/31569
959         * doc/install.texi2html: Use makeinfo --no-number-sections.
960
961 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
962
963         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
964         ensure that we can address an entire entity > 8 bytes.  Don't
965         generate reg+reg addressing for such data.
966
967 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
968
969         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
970         strings when optimizing for size, unless the target cares about
971         alignment.
972
973 2008-02-22  Tom Tromey  <tromey@redhat.com>
974
975         * regclass.c (current_pass): Remove declaration.
976
977 2008-02-22  Anatoly Sokolov <aesok@post.ru>
978
979         * config/avr/libgcc.S (__RAMPZ__): Define.
980         (__do_copy_data): Add for devices with 128KB code memory.
981
982 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
983
984         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
985         Use spe_abi.
986         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
987
988 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
989
990         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
991         GENNONACR_REGS.
992
993 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
994
995         PR c/19999
996         * c-typeck.c (build_binary_op): Warn about floating point
997         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
998
999 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1000
1001         PR target/34526
1002         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1003         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1004         add vrsave.
1005         (rs6000_override_options): Set altivec_abi as default, not override,
1006         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1007         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1008         is used; use new member spe_abi.
1009         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1010         spe_abi and altivec_abi.
1011
1012 2008-02-22  Tomas Bily  <tbily@suse.cz>
1013
1014         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1015
1016 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1017
1018         PR bootstrap/35273
1019         * config.build (build_file_translate): Set to `CMD //c' only if
1020         it works.
1021         * Makefile.in (build_file_translate): Improve comment.
1022
1023 2008-02-21  Jan Hubicka  <jh@suse.cz>
1024
1025         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1026         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1027         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1028
1029 2008-02-21  Michael Matz  <matz@suse.de>
1030
1031         PR target/35264
1032         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1033
1034 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1035
1036         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1037         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1038         as insn constraint.
1039         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1040         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1041         SSE_VEC_FLOAT_MODE_P as insn constraint.
1042         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1043         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1044         sse4a_movntdf using MODEF mode iterator.
1045         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1046         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1047         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1048         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1049         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1050         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1051         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1052
1053 2008-02-21  Richard Guenther  <rguenther@suse.de>
1054
1055         * tree.def (PAREN_EXPR): New tree code.
1056         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1057         and PAREN_EXPR.
1058         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1059         * expr.c (expand_expr_real_1): Likewise.
1060         * tree-inline.c (estimate_num_insns_1): Likewise.
1061         * tree-complex.c (expand_complex_move): Likewise.
1062         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1063         as plain x.
1064
1065 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1066
1067         PR target/35225
1068         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1069
1070 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1071
1072         PR target/35190
1073         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1074
1075         * config/sh/sh.c (find_barrier): Don't go past
1076         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1077
1078 2008-02-20  DJ Delorie  <dj@redhat.com>
1079
1080         * config/h8300/h8300.md (insv): Force source operand to be a register.
1081
1082         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1083         as a jump, not as a plain insn.
1084         
1085 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1086
1087         * doc/invoke.texi (Warning Options): Add new option
1088         -Wframe-larger-than=.
1089         (-Wframe-larger-than): Document.
1090
1091         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1092         Add declarations for new option variables.
1093
1094         * final.c (final_start_function): Check the frame size
1095         before emission and issue a Wframe-larger-than warning.
1096
1097         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1098         Add definitions for new option variables.
1099         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1100
1101         * common.opt (Wframe-larger-than=): New option.
1102
1103 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1104
1105         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1106         (<sse>_div<mode>3): Ditto.
1107         (<sse>_vmdiv<mode>3): Ditto.
1108         (<sse>_vmsqrt<mode>2): Ditto.
1109         (*smax<mode>3): Ditto.
1110         (sse5_frcz<mode>2): Ditto.
1111         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1112         as insn constraint.
1113
1114 2008-02-20  Richard Guenther  <rguenther@suse.de>
1115
1116         PR middle-end/35265
1117         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1118         be happy with INTEGRAL_TYPE_P.
1119
1120 2008-02-20  Richard Guenther  <rguenther@suse.de>
1121
1122         * fold-const.c (split_tree): Associate floatig-point expressions
1123         if flag_associative_math is set.
1124
1125 2008-02-20  Richard Guenther  <rguenther@suse.de>
1126
1127         * tree.h (fold_real_zero_addition_p): Declare.
1128         * fold-const.c (fold_real_zero_addition_p): Export.
1129         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1130         floating-point operations with zero and one.
1131
1132 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1133
1134         * doc/install.texi: Correct references to CFLAGS, replacing them
1135         with BOOT_CFLAGS.  Document flags used during bootstrap for
1136         target libraries.
1137                                 
1138 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1139
1140         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1141         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1142         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1143         insn constraint.
1144         (smin<mode>3): Ditto from similar patterns.
1145         (smax<mode>3): Ditto.
1146         (*ieee_smin<mode>3): Ditto.
1147         (*ieee_smax<mode>3): Ditto.
1148         * config/i386/sse.md (sse): New mode attribute.
1149         (mov<mode>): Macroize expander from movv4sf and movv2df using
1150         SSEMODEF2P mode iterator.
1151         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1152         SSE_VEC_FLOAT_MODE_P as insn constraint.
1153         (storent<mode>): Ditto.
1154         (storent<mode>): Macroize expander from storentsf and storentdf using
1155         MODEF mode iterator.
1156         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1157         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1158         (abs<mode>2): Ditto from similar patterns.
1159         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1160         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1161         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1162         (<sse>_vmsqrt<mode>2): Ditto.
1163         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1164         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1165         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1166         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1167         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1168         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1169         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1170         insn constraint.
1171         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1172         iterator and SSE_FLOAT_MODE_P as insn constraint.
1173         (<sse>_ucomi): Ditto from similar patterns.
1174         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1175         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1176         SSE_VEC_FLOAT_MODE_P as insn constraint.
1177         (vcond<mode>): Ditto from similar patterns.
1178         (and<mode>3, *and<mode>3): Ditto.
1179         (<sse>_nand<mode>3): Ditto.
1180         (ior<mode>3, *ior<mode>3): Ditto.
1181         (xor<mode>3, *xor<mode>3): Ditto.
1182         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1183         iterator and SSE_FLOAT_MODE_P as insn constraint.
1184         (*nand<mode>3): Ditto from similar patterns.
1185         (*ior<mode>3): Ditto.
1186         (*xor<mode>3): Ditto.
1187
1188 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1189
1190         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1191         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1192         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1193
1194 2008-02-19  Jan Hubicka  <jh@suse.cz>
1195
1196         * predict.c (tree_bb_level_predictions): Remove variable next
1197         mistakely introduced by previous commit.
1198
1199 2008-02-19  Jan Hubicka  <jh@suse.cz>
1200
1201         * predict.c (predict_paths_leading_to): Rewrite.
1202         (predict_paths_for_bb): New.
1203         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1204
1205 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1206
1207         PR bootstrap/35218
1208         * Makefile.in (build_file_translate): New.
1209         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1210         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1211         * configure.ac (build_file_translate): Substitute it.
1212         * configure: Regenerate.
1213
1214 2008-02-19  Jan Hubicka  <jh@suse.cz>
1215
1216         PR rtl-optimization/34408
1217         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1218         invalid sharing.
1219
1220 2008-02-19  Jan Hubicka  <jh@suse.cz>
1221
1222         PR middle-end/28779
1223         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1224         call_expr.
1225
1226 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1227
1228         PR Ada/35186
1229         * config/i386/i386-modes.def: Revert the last DI alignment
1230         change until Ada people can look into it.
1231
1232 2008-02-19  Nick Clifton  <nickc@redhat.com>
1233
1234         * opts.c (print_specific_help): Fix typo in --help text.
1235
1236 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1237
1238         PR target/35239
1239         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1240         32-bit inline asm without asm alternatives for host GCC < 3.0.
1241
1242 2008-02-19  Richard Guenther  <rguenther@suse.de>
1243
1244         PR tree-optimization/34989
1245         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1246         Allow propagation to INDIRECT_REF if we can simplify only.
1247
1248 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1249
1250         * c-common.c (warn_for_collisions_1): Use appropriate option when
1251         warning.
1252
1253 2008-02-19  Nick Clifton  <nickc@redhat.com>
1254
1255         PR other/31349
1256         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1257         (handle_options): Fix indentation.
1258         (print_filtered_help): If no language-specific options were
1259         displayed tell the user how to list all the options supported by
1260         the language's front-end.
1261         (print_specific_help): Fix indentation and remove duplicate line.
1262         (common_handle_option): Handle the -v option.
1263         For --help enable the display of undocumented options if the -v
1264         switch has been included on the command line.
1265         For --help= check for overlaps in the arguments between the option
1266         classes and the language names and issue a warning when they
1267         cannot be disambiguated.
1268         * c.opt (v): Pass on to the common option handler.
1269
1270 2008-02-19  Revital Eres  <eres@il.ibm.com> 
1271
1272         * modulo-sched.c (sms_schedule): Change dump message when
1273         create_ddg function fails.
1274         (try_scheduling_node_in_cycle): Rename row to cycle.
1275         (print_partial_schedule): Rename CYCLE to ROW.
1276
1277 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1278             Zdenek Dvorak  <ook@ucw.cz>
1279
1280         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1281
1282 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1283
1284         PR target/33555
1285         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1286         (*x86_movdicc_0_m1_se): Ditto.
1287
1288 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1289
1290         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1291         (CMPtype): Define as __gcc_CMPtype.
1292         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1293         (CMPtype): Define as __gcc_CMPtype.
1294
1295 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1296
1297         Support valgrind 3.3 for --enable-checking=valgrind.
1298         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1299         here.
1300         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1301         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1302         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1303         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1304         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1305         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1306         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1307         respectively.
1308         * ggc-zone.c: Similar.
1309         * ggc-page.c: Similar.
1310
1311 2008-02-19  Paul Brook  <paul@codesourcery.com>
1312
1313         PR target/35071
1314         * config/arm/ieee754-df.S: Fix do_it typo.
1315         * config/arm/ieee754-sf.S: Fix do_it typo.
1316
1317 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1318
1319         PR target/35189
1320         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1321         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1322         (OPTION_MASK_ISA_SSE_SET): Likewise.
1323         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1324         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1325         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1326         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1327         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1328         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1329         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1330         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1331         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1332         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1333         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1334         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1335         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1336         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1337         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1338         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1339         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1340         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1341         (OPTION_MASK_ISA_SSE4): Removed.
1342         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1343         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1344         -mXXX.
1345         (override_options): Don't turn on implied SSE/MMX bits in
1346         ix86_isa_flags.
1347
1348 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1349
1350         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1351         32bit host.
1352
1353 2008-02-18  Joey Ye  <joey.ye@intel.com>
1354
1355         PR middle-end/34921
1356         * tree-nested.c (insert_field_into_struct): Set type alignment
1357         to field alignment if the former is less than the latter.
1358
1359 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1360
1361         * BASE-VER: Set to 4.4.0.
1362
1363 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1364
1365         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1366         * doc/cfg.texi: Likewise.
1367         * doc/extend.texi: Likewise.
1368         * doc/gty.texi: Likewise.
1369         * doc/invoke.texi: Likewise.
1370         * doc/loop.texi: Likewise.
1371         * doc/md.texi: Likewise.
1372         * doc/passes.texi: Likewise.
1373         * doc/rtl.texi: Likewise.
1374         * doc/sourcebuild.texi: Likewise.
1375         * doc/tm.texi: Likewise.
1376         * doc/tree-ssa.texi: Likewise.
1377
1378 2008-02-17  Richard Guenther  <rguenther@suse.de>
1379
1380         PR middle-end/35227
1381         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1382         without default definition.
1383
1384 2008-02-17  Richard Guenther  <rguenther@suse.de>
1385
1386         PR tree-optimization/35231
1387         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1388         if A | B != 1.
1389
1390 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1391
1392         Revert:
1393
1394         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
1395         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1396         libgcc_cmp_return mode.
1397
1398 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1399
1400         PR c/28368
1401         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1402
1403 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1404
1405         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1406         multilibs.
1407
1408 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1409
1410         * doc/c-tree.texi: Use `@.' where appropriate.
1411         * doc/extend.texi: Likewise.
1412         * doc/install.texi: Likewise.
1413         * doc/invoke.texi: Likewise.
1414         * doc/loop.texi: Likewise.
1415         * doc/makefile.texi: Likewise.
1416         * doc/md.texi: Likewise.
1417         * doc/passes.texi: Likewise.
1418         * doc/standards.texi: Likewise.
1419         * doc/tm.texi: Likewise.
1420
1421 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1422
1423         PR middle-end/35196
1424         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1425         in entry_bb.
1426         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1427         rather than in entry_bb.
1428
1429 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1430
1431         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1432         libgcc_cmp_return mode.
1433
1434 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1435
1436         PR middle-end/35130
1437         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1438         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1439
1440 2008-02-15  Richard Guenther  <rguenther@suse.de>
1441             Zdenek Dvorak  <ook@ucw.cz>
1442
1443         PR tree-optimization/35164
1444         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1445         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1446         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1447         Only propagate addresses which do not have abnormal SSA_NAMEs
1448         in their operands.
1449
1450 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1451
1452         PR target/35088
1453         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1454
1455 2008-02-15  Jan Hubicka  <jh@suse.cz>
1456
1457         PR middle-end/35149
1458         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1459
1460 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1461
1462         PR middle-end/34621
1463         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1464         when calculating alignment_pad.
1465
1466 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1467
1468         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1469         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1470         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1471         and STACK_BOUNDARY define.
1472
1473 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1474
1475         PR preprocessor/35061
1476         * c-pragma.c (handle_pragma_pop_macro): Check that
1477         pushed_macro_table has been allocated.
1478
1479 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1480
1481         PR middle-end/35136
1482         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1483         (force_gimple_operand): Likewise.
1484         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1485         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1486         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1487         (find_interesting_uses_address): Check addressability and alignment
1488         of the base expression only after substituting bases of IVs into it.
1489
1490 2008-02-14  Michael Matz  <matz@suse.de>
1491
1492         PR target/34930
1493         * function.c (instantiate_virtual_regs_in_insn): Reload address
1494         before falling back to reloading the whole operand.
1495
1496 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1497
1498         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1499         before the first section switch note.
1500
1501 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1502
1503         * doc/bugreport.texi: Update copyright years.
1504         * doc/c-tree.texi: Likewise.
1505         * doc/cfg.texi: Likewise.
1506         * doc/cpp.texi: Likewise.
1507         * doc/cppinternals.texi: Likewise.
1508         * doc/fragments.texi: Likewise.
1509         * doc/frontends.texi: Likewise.
1510         * doc/gcc.texi: Likewise.
1511         * doc/gty.texi: Likewise.
1512         * doc/hostconfig.texi: Likewise.
1513         * doc/implement-c.texi: Likewise.
1514         * doc/libgcc.texi: Likewise.
1515         * doc/loop.texi: Likewise.
1516         * doc/makefile.texi: Likewise.
1517         * doc/options.texi: Likewise.
1518         * doc/passes.texi: Likewise.
1519         * doc/rtl.texi: Likewise.
1520         * doc/sourcebuild.texi: Likewise.
1521         * doc/standards.texi: Likewise.
1522         * doc/tree-ssa.texi: Likewise.
1523         * doc/trouble.texi: Likewise.
1524
1525         * doc/extend.texi: Use @: or add comma where appropriate.
1526         * doc/invoke.texi: Likewise.
1527         * doc/tm.texi: Likewise.
1528
1529 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1530
1531         PR target/34393
1532         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1533         to a reg.
1534
1535 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1536
1537         * doc/md.texi (clz, ctz): Add reference.
1538         * doc/rtl.texi (clz, ctz): Likewise.
1539
1540 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1541
1542         PR other/35148
1543         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1544         srcdir.
1545
1546 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1547
1548         * config/s390/s390.c (struct constant_pool): New field
1549         emit_pool_after added.
1550         (s390_mainpool_start): Set the emit_pool_after flag according
1551         to the section switch notes.
1552         (s390_mainpool_finish): Consider emit_pool_after when emitting
1553         the literal pool at the end of the function.
1554         (s390_chunkify_start): Force literal pool splits at section
1555         switch notes.
1556
1557 2008-02-13  Michael Matz  <matz@suse.de>
1558
1559         PR debug/35065
1560         * var-tracking.c (clobber_variable_part): Correctly traverse the
1561         list.
1562
1563 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1564
1565         PR 29673
1566         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1567         Add -fdump-ipa-inline.
1568         * tree-dump.c (dump_files): Remove tree-inlined dump.
1569         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
1570         
1571 2008-02-12  Richard Guenther  <rguenther@suse.de>
1572
1573         PR tree-optimization/35171
1574         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
1575         default defs.
1576
1577 2008-02-12  Richard Guenther  <rguenther@suse.de>
1578
1579         PR middle-end/35163
1580         * fold-const.c (fold_widened_comparison): Use get_unwidened in
1581         value-preserving mode.  Disallow final truncation.
1582
1583 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1584
1585         PR middle-end/35136
1586         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
1587         code from here to...
1588         (force_gimple_operand): ...here.
1589
1590 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
1591
1592         PR c++/35144
1593         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
1594         non-compatible pointers.
1595         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
1596         different FIELD_DECLs, try harder by comparing field offsets, sizes
1597         and types.
1598
1599         PR inline-asm/35160
1600         * function.c (match_asm_constraints_1): Don't replace the same input
1601         multiple times.
1602
1603 2008-02-12  Anatoly Sokolov <aesok@post.ru>
1604
1605         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
1606         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
1607         (expand_epilogue): Restore RAMPZ register.
1608         * config/avr/avr.md (RAMPZ_ADDR): New constant.
1609
1610 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
1611
1612         * config/i386/cygwin.asm: (__alloca): Correct calling
1613         convention and alignment.
1614         (__chkstk): Force 8 byte stack alignment.
1615
1616 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
1617             Richard Guenther  <rguenther@suse.de>
1618
1619         PR tree-optimization/33992
1620         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
1621         the zero we compare against.
1622
1623 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
1624
1625         PR libfortran/35063
1626         * gthr-win32.h (__gthread_mutex_destroy_function): New function
1627         to CloseHandle after unlocking to prevent accumulation of handle
1628         count.
1629
1630 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1631
1632         PR middle_end/34150
1633         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
1634         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
1635         and update LABEL_NUSES during and after reload.
1636
1637 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
1638
1639         PR middle-end/34627
1640         * combine.c (simplify_if_then_else): Make sure the comparison is
1641         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
1642
1643 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1644
1645         PR bootstrap/35051
1646         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
1647         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
1648         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
1649         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
1650         * tree.h (get_type_static_bounds): Likewise.
1651
1652 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1653
1654         * doc/invoke.texi (Option Summary, C++ Dialect Options)
1655         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1656         Make -Wfoo language annotations match what the compiler outputs.
1657
1658 2008-02-08  Sa Liu  <saliu@de.ibm.com>
1659
1660         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
1661         intrinsics spu_convts, spu_convtu, spu_convtf.
1662         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
1663
1664 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
1665
1666         * doc/extend.texi (Function Attributes) <noinline>: Mention
1667         asm ("") as method to keep calls.
1668
1669 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1670
1671         PR other/32754
1672         * doc/options.texi (Options): Replace references to opts.sh with
1673         optc-gen.awk.
1674         * opts-common.c: Likewise.
1675         * optc-gen.awk: Likewise.
1676         
1677 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1678
1679         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
1680
1681 2008-02-07  Richard Henderson  <rth@redhat.com>
1682
1683         PR rtl-opt/33410
1684         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
1685         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
1686         funny mode.
1687
1688 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
1689
1690         PR tree-optimization/35085
1691         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
1692         for operand entry oe2 in addition to operand entry oe3 in order to
1693         expose more opportunities for vectorizer sum reduction.
1694
1695 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1696
1697         PR other/35107
1698         * Makefile.in (LIBS): Remove $(GMPLIBS).
1699         (cc1-dummy, cc1): Add $(GMPLIBS).
1700
1701 2008-02-06  Jan Hubicka  <jh@suse.cz>
1702
1703         PR target/23322
1704         * i386.md (moddf_integer): Do not produce partial memory stalls for
1705         targets where it hurts.
1706
1707 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
1708
1709         PR target/35083
1710         * optabs.c (expand_float): Do not check for decimal modes when
1711         expanding unsigned integer through signed conversion.
1712
1713 2008-02-06  Nick Clifton  <nickc@redhat.com>
1714
1715         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
1716         inside the clobber with a match_operand and duplicated operand
1717         number in the constraint.
1718         (ineqbranchsi): Delete redundant comment.
1719
1720 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1721
1722         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
1723         builtin_define ("__USE_INIT_FINI__").
1724         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
1725         -msx multilibs.
1726         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
1727
1728 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1729
1730         PR documentation/30330
1731         * doc/invoke.texi (C++ Dialect Options)
1732         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1733         For each warning option -Wfoo that allows -Wno-foo, ensure both
1734         -Wfoo and -Wno-foo are listed in the option index.  Fix index
1735         entry of -Wswitch-default, index -Wnormalized= including the
1736         `=', and -Wlarger-than-@var{len} including @var{len}.
1737
1738 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1739
1740         * config/i386/i386.md (floatunssisf2): Use
1741         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
1742         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
1743         Macroize expander using MODEF mode iterator.
1744
1745 2008-02-05  Diego Novillo  <dnovillo@google.com>
1746
1747         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
1748
1749         PR 33738
1750         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
1751
1752 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1753
1754         PR other/35070
1755         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
1756
1757 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
1758
1759         PR target/35084
1760         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
1761         to indicate if a message should be generated.
1762         (init_cumulative_args): Updated.
1763         (function_value_32): Likewise.
1764
1765 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
1766
1767         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
1768
1769 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1770
1771         PR target/35083
1772         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
1773         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
1774
1775 2008-02-04  Diego Novillo  <dnovillo@google.com>
1776
1777         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
1778
1779         PR 33738
1780         * tree-vrp.c (vrp_evaluate_conditional): With
1781         -Wtype-limits, emit a warning when comparing against a
1782         constant outside the natural range of OP0's type.
1783
1784 2008-02-04  Richard Guenther  <rguenther@suse.de>
1785
1786         PR middle-end/33631
1787         * expr.c (count_type_elements): Give for unions instead of
1788         guessing.
1789
1790 2008-02-04  Richard Guenther  <rguenther@suse.de>
1791
1792         PR middle-end/35043
1793         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
1794         to TYPE_DOMAINs base type instead of using bitsizetype here.
1795
1796 2008-02-03  Jason Merrill  <jason@redhat.com>
1797
1798         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
1799
1800 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1801
1802         PR other/29972
1803         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
1804         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
1805         (RS/6000 and PowerPC Options): Fix typos and markup.
1806         * doc/passes.texi (Tree-SSA passes): Likewise.
1807
1808 2008-02-02  Michael Matz  <matz@suse.de>
1809
1810         PR target/35045
1811         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
1812         from record_last_reg_set_info.
1813         (record_last_reg_set_info): Take an RTX argument, iterate over all
1814         constituent hardregs.
1815         (record_last_set_info, record_opr_changes): Change calls to
1816         new signature or to record_last_reg_set_info_regno.
1817
1818 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1819
1820         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
1821
1822 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
1823
1824         PR rtl-optimization/34773
1825         * reg-notes.def (EQUAL): Mention significance of combination of
1826         REG_EQUAL and REG_RETVAL.
1827         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
1828         insn that has a REG_RETVAL.
1829
1830 2008-02-01  Roger Sayle  <roger@eyesopen.com>
1831
1832         PR bootstrap/33781
1833         * configure.ac (--enable-fixed-point): Disable unless explicitly
1834         requested on IRIX.
1835         * configure: Regenerate.
1836
1837 2008-02-01  Richard Guenther  <rguenther@suse.de>
1838
1839         PR other/35042
1840         * invoke.texi (-finline-limit): Remove no longer true parts
1841         of the documentation.  Note that there is no default value.
1842
1843 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
1844             Mark Mitchell  <mark@codesourcery.com>
1845             Ben Elliston  <bje@au.ibm.com>
1846
1847         PR c/29326
1848         * doc/extend.texi (Other Builtins): Document.
1849
1850 2008-01-31  Tom Browder <tom.browder@gmail.com>
1851
1852         * doc/c-tree.texi (Types): Fix grammar.
1853         (Expression trees): Ditto.
1854         * doc/passes.texi (Tree-SSA passes): Ditto.
1855         
1856         * doc/configterms.texi (Configure Terms): Fix typo.
1857         * doc/cpp.texi (Common Predefined Macros): Ditto.
1858         * doc/md.texi (Machine Constraints): Ditto.
1859         
1860         * doc/makefile.texi (Makefile): Add comma.
1861
1862 2008-01-31  Tom Browder  <tom.browder@gmail.com>
1863             Gerald Pfeifer  <gerald@pfeifer.com>
1864         
1865         * doc/sourcebuild.texi (Front End): Remove references to CVS
1866         and CVSROOT/modules.
1867         (Texinfo Manuals): Replace reference to CVS by one to SVN.
1868         (Back End): Remove reference to CVS.
1869
1870 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1871
1872         PR target/34900
1873         * config/mips/mips.c (gen_load_const_gp): New function, taking a
1874         comment from...
1875         (mips16_gp_pseudo_reg): ...here.
1876         * config/mips/mips.md (load_const_gp): Replace with...
1877         (load_const_gp_<mode>): ...this :P-based insn.
1878
1879 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1880
1881         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
1882         options. Minor fixes.
1883         (-std): Move reference to standards closer to where language
1884         standards are first mentioned.
1885         
1886 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1887
1888         PR rtl-optimization/34995
1889         * reload.c (alternative_allows_const_pool_ref): Take an rtx
1890         parameter and return a bool.  If the rtx parameter is nonnull,
1891         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
1892         (find_reloads): Update call accordingly.  Pass the new operand
1893         if it needed no address reloads, otherwise pass null.
1894
1895 2008-01-30  Richard Henderson  <rth@redhat.com>
1896
1897         PR c/34993
1898         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
1899         for unbounded arrays.
1900
1901 2008-01-30  Silvius Rus  <rus@google.com>
1902
1903         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
1904
1905 2008-01-30  Jan Hubicka  <jh@suse.cz>
1906
1907         PR target/34982
1908         * i386.c (init_cumulative_args): Use real function declaration when
1909         calling locally.
1910
1911 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1912
1913         PR rtl-optimization/34998
1914         * global.c (build_insn_chain): Treat non-subreg_lowpart
1915         SUBREGs of pseudos as clobbering all the words covered by the
1916         SUBREG, not just all the bytes.
1917         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
1918         original df_ref rather than an extract parameter.
1919         (global_conflicts): Update call accordingly.
1920
1921 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1922
1923         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
1924         the overflow check to make it easier to read.
1925         (__fixtfdi): Change the type of the ll member in union
1926         long_double to UDItype_x.
1927
1928 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
1929
1930         PR middle-end/34969
1931         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
1932         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
1933         * tree-inline.c (fold_marked_statements): Call
1934         cgraph_update_edges_for_call_stmt if folding a call statement.
1935         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
1936         debug_generic_stmt calls, reset it back afterwards.
1937
1938         PR c/35017
1939         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
1940         static decls.
1941         * c-typeck.c (build_external_ref): Don't pedwarn about
1942         static vars in current function's scope.
1943
1944 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
1945
1946         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
1947
1948 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
1949
1950         PR c/35002
1951         * ipa-struct-reorg.c: Fix spelling.
1952         * params.def: Ditto.
1953
1954 2008-01-29  Richard Guenther  <rguenther@suse.de>
1955
1956         PR middle-end/35006
1957         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
1958         field.
1959         * tree-inline.c (remap_type): Increment remapping_type_depth
1960         around remapping types.
1961         (copy_body_r): Only add referenced variables if they are referenced
1962         from code, not types.
1963
1964 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
1965
1966         PR c++/34055
1967         PR c++/34103
1968         PR c++/34219
1969         PR c++/34606
1970         PR c++/34753
1971         PR c++/34754
1972         PR c++/34755
1973         PR c++/34919
1974         PR c++/34961
1975         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
1976         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
1977
1978 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
1979
1980         PR target/34412
1981         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
1982         pointer for tiny stack.
1983
1984 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1985
1986         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
1987
1988 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1989
1990         * config/vx-common.h: Fix typo in comment.
1991
1992 2008-01-28  Ian Lance Taylor  <iant@google.com>
1993
1994         PR c++/34862
1995         PR c++/33407
1996         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1997         coalesce pointers if they have different DECL_NO_TBAA_P values.
1998         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
1999         between variables with different DECL_NO_TBAA_P values.
2000
2001 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2002
2003         PR 31535
2004         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2005         are not legitimate small data references on SPE targets.
2006
2007 2008-01-28  David Daney  <ddaney@avtrex.com>
2008
2009         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2010
2011 2008-01-28  David Daney  <ddaney@avtrex.com>
2012
2013         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2014
2015 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2016
2017         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2018         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2019         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2020         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2021         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2022         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2023         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2024         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2025
2026 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2027
2028         * basic-block.h (condjump_equiv_p): Fix comment.
2029
2030 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2031
2032         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2033         print_generic_stmt_indented): Fix comment.
2034
2035 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2036
2037         * configure.ac (__stack_chk_fail): Add detecion for availability
2038         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2039         * configure: Regenerate.
2040
2041 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2042
2043         PR middle-end/34688
2044         * final.c (output_addr_const): Handle TRUNCATE.
2045
2046 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2047
2048         PR target/34711
2049         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2050         (zero_cost, infinite_cost): New constants.
2051         (struct cost_pair): Change type of cost to comp_cost.
2052         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2053         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2054         New functions.
2055         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2056         split_address_cost, ptr_difference_cost, difference_cost,
2057         get_computation_cost_at, get_computation_cost,
2058         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2059         determine_use_iv_cost_condition, determine_use_iv_costs,
2060         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2061         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2062         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2063         Change type of cost to comp_cost.
2064         (determine_iv_cost): Increase cost of non-original ivs, instead
2065         of decreasing the cost of original ones.
2066         (get_address_cost): Indicate the complexity of the addressing mode 
2067         in comp_cost.
2068         (try_add_cand_for): Prefer using ivs not specific to some object.
2069         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2070
2071 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2072             Janis Johnson  <janis187@us.ibm.com>
2073
2074         PR target/34814
2075         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2076         (TARGET_INSTANTIATE_DECLS): Likewise.
2077         * target.h (expand_to_rtl_hook): New target hook.
2078         (instantiate_decls): Likewise.
2079         * function.c (instantiate_decl): Make non-static.  Rename to...
2080         (instantiate_decl_rtl): ... this.
2081         (instantiate_expr): Use instantiate_decl_rtl.
2082         (instantiate_decls_1): Likewise.
2083         (instantiate_decls): Likewise.
2084         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2085         * function.h (instantiate_decl_rtl): Add prototype.
2086         * cfgexpand.c (target.h): New include.
2087         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2088         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2089         (TARGET_INSTANTIATE_DECLS): Likewise.
2090         (TARGET_INITIALIZER): New target hooks added.
2091         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2092         New prototype.
2093         * config/rs6000/rs6000.c (tree-flow.h): New include.
2094         (machine_function): Add sdmode_stack_slot field.
2095         (rs6000_alloc_sdmode_stack_slot): New function.
2096         (rs6000_instantiate_decls): Likewise.
2097         (rs6000_secondary_memory_needed_rtx): Likewise.
2098         (rs6000_check_sdmode): Likewise.
2099         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2100         (TARGET_INSTANTIATE_DECLS): Likewise.
2101         (rs6000_hard_regno_mode_ok): Allow SDmode.
2102         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2103         (rs6000_emit_move): Handle SDmode.
2104         (function_arg_advance): Likewise.
2105         (function_arg): Likewise.
2106         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2107         SDmode var args for 32-bit compiles.
2108         (rs6000_secondary_reload_class): Handle SDmode.
2109         (rs6000_output_function_epilogue): Likewise.
2110         (rs6000_function_value): Simplify if statement.
2111         (rs6000_libcall_value): Likewise.
2112         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2113         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2114         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2115         (movsd_hardfloat): New define_insn.
2116         (movsd_softfloat): Likewise.
2117         (movsd_store): Likewise.
2118         (movsd_load): Likewise.
2119         (extendsddd2): Likewise.
2120         (extendsdtd2): Likewise.
2121         (truncddsd2): Likewise.
2122         (movdd_hardfloat64): Fixup comment.
2123         (UNSPEC_MOVSD_LOAD): New constant.
2124         (UNSPEC_MOVSD_STORE): Likewise.
2125
2126 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2127
2128         PR c++/34965
2129         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2130         TRUTH_XOR_EXPR.
2131         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2132         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2133         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2134         and TRUTH_XOR_EXPR.
2135
2136 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2137
2138         PR target/34794
2139         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2140         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2141         __LONGDOUBLE128 too.
2142         * config/rs6000/aix61.h: New file.
2143
2144 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2145
2146         PR rtl-optimization/34959
2147         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2148         popcount and parity rtxes the same mode as their operand.
2149         Truncate or extend the result to the return value's mode
2150         if necessary.
2151
2152 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2153
2154         PR target/34981
2155         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2156         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2157         to GOT_VERSION_REGNUM.
2158         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2159         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2160         * config/mips/mips.c (mips_emit_call_insn): New function.
2161         (mips_call_tls_get_addr): Call mips_expand_call directly.
2162         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2163         emit_call_insn.
2164         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2165         (mips_expand_call): Update the call to mips16_build_call_stub
2166         accordingly and a remove redundant condition.  Assert that MIPS16
2167         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2168         the call insn.
2169         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2170         TARGET_USE_GOT.
2171         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2172         (mips_avoid_hazard): Remove hazard_set handling.
2173         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2174         (UNSPEC_RESTORE_GP): ...this.
2175         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2176         (FAKE_CALL_REGNO): Rename to...
2177         (GOT_VERSION_REGNUM): ...this.
2178         (type): Add "ghost" value.  Add an associated insn reservation.
2179         (hazard_set): Remove.
2180         (exception_receiver): Rename to...
2181         (restore_gp): ...this and update the unspec identifier accordingly.
2182         (exception_receiver, nonlocal_got_receiver): New expanders.
2183         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2184         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2185         (set_got_version, update_got_version): New patterns.
2186
2187 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2188
2189         PR target/34970
2190         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2191
2192 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2193
2194         PR other/31955
2195         * doc/install.texi2html: Generate gcc-vers.texi.
2196
2197 2008-01-25  DJ Delorie  <dj@redhat.com>
2198
2199         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2200
2201 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2202
2203         * config/c4x: Remove directory.
2204         * config.gcc (crx-*, mt-*): Mark obsolete.
2205         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2206         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2207         sh-*-rtemscoff*): Remove cases.
2208         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2209         * real.c (encode_c4x_single, decode_c4x_single,
2210         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2211         c4x_extended_format): Remove.
2212         * real.h (c4x_single_format, c4x_extended_format): Remove.
2213         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2214         on C4x.
2215         (Pragmas): Remove comment about c4x pragmas.
2216         * doc/install.texi (c4x): Remove target-specific instructions.
2217         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2218         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2219         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2220         refer to C4x source files as examples.
2221         (C4X_FLOAT_FORMAT): Remove documentation.
2222
2223 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2224
2225         * config/bfin/bfin.c (override_options): Reorder tests so that
2226         flag_pic gets enabled for -msep-data.
2227
2228 2008-01-25  Richard Guenther  <rguenther@suse.de>
2229
2230         PR middle-end/32244
2231         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2232         to its bitfield precision if required.
2233
2234 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2235
2236         PR middle-end/33880
2237         * tree-nested.c (walk_omp_for): New function.
2238         (convert_nonlocal_reference, convert_local_reference): Call
2239         walk_omp_for on OMP_FOR.
2240         (convert_call_expr): Call walk_body on OMP_FOR's
2241         OMP_FOR_PRE_INIT_BODY.
2242
2243 2008-01-25  Richard Guenther  <rguenther@suse.de>
2244
2245         PR tree-optimization/34966
2246         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2247         default defs and PHI_NODEs we have to insert after the
2248         defining statement.
2249
2250 2008-01-24  Nick Clifton  <nickc@redhat.com>
2251
2252         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2253         Provide a default definition.
2254         (LIBGCC2_UNITS_PER_WORD): Likewise.
2255
2256         * config/stormy16/stormy16.c: Include df.h for the prototype
2257         for df_regs_ever_live_p.
2258         (xstormy16_expand_builtin_va_start): Convert the stack offset
2259         into a component_ref and then use POINTER_PLUS_EXPR to add it
2260         to the incoming_virtual_args_rtx.
2261         (xstormy16_gimplify_va_arg_expr): Rename to
2262         xstormy16_gimplify_va_arg_expr.
2263         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2264         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2265         xstormy16_gimplify_va_arg_expr.
2266         Fix up some formatting issues.
2267
2268         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2269         Move to predicates.md.
2270         (xs_hi_general_operand): Likewise.
2271         (xs_hi_nonmemory_operand): Likewise.
2272         * config/stormy16/predicates.md:
2273         (xstormy16_carry_plus_operand): New predicate.
2274         (xs_hi_general_operand): New predicate.
2275         (xs_hi_nonmemory_operand): New predicate.
2276         * config/stormy16/stormy16-protos.h:
2277         (xstormy16_carry_plus_operand): Delete prototype.
2278         (xs_hi_general_operand): Likewise.
2279         (xs_hi_nonmemory_operand): Likewise.
2280
2281         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2282         modifiers as they are no longer needed and they can trigger
2283         reload spill failures.
2284
2285         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2286         with a match_operand in order to help reload.
2287
2288         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2289         constraint with 'e' for the 8th alternative as this version of
2290         the mov.w instruction only accepts the lower 8 registers.
2291
2292 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2293
2294         PR target/34856
2295         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2296         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2297         vector elements.
2298
2299 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2300
2301         PR middle-end/33333
2302         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2303
2304 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2305
2306         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2307         New functions.
2308         (remove_structure): Update allocations list before removing structure.
2309         
2310 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2311
2312         * ipa-struct-reorg.c (is_safe_cond_expr, 
2313         create_new_stmts_for_cond_expr): Use integer_zerop function,
2314         that recognize not only zero-pointer, but zero-integer too.
2315
2316 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2317
2318         PR other/22232
2319         * fixproto: Escape "." in sed expression that strips leading "./".
2320
2321 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2322
2323         PR driver/34904
2324         * gcc.c (SWITCH_OK): Removed.
2325         (SWITCH_LIVE): Changed to bit.
2326         (SWITCH_FALSE): Likewise.
2327         (SWITCH_IGNORE): Likewise.
2328         (switchstr): Change live_cond to unsigned int.
2329         (process_command): Replace SWITCH_OK with 0.
2330         (do_self_spec): Likewise.
2331         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2332         (give_switch): Likewise.
2333         (used_arg): Likewise.
2334         (do_spec_1): Set the SWITCH_IGNORE bit.
2335         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2336         bits.  Set the SWITCH_LIVE bit.
2337
2338 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2339
2340         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2341
2342 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2343
2344         PR tree-optimization/34472
2345         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2346         parameter to a "bool *" and set *DATA to false if there is
2347         an unsafe access.  Do not delete the structure here.
2348         (check_cond_exprs): Delete it here instead.
2349         (check_cond_exprs, exclude_cold_structs): Do not increase
2350         I when removing a structure.
2351
2352 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2353
2354         PR target/34856
2355         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2356         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2357
2358 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2359
2360         PR middle-end/34934
2361         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2362         a fixed vector for stack.
2363
2364 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2365
2366         PR c++/25701
2367         * doc/gcc.texi (Software development): Add a direntry for g++.
2368         
2369 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2370
2371         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2372         stale and straggling -fforce-addr comments above.
2373
2374         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2375         define.
2376         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2377         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2378
2379 2008-01-23  Michael Matz  <matz@suse.de>
2380
2381         PR debug/34895
2382         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2383         gen_type_die.
2384
2385 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2386
2387         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2388         malloc result type.
2389
2390 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2391
2392         * config/avr/avr.c (avr_current_arch): New variable.
2393         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2394         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2395         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2396         (avr_override_options): Init 'avr_current_arch'. 
2397         (base_arch_s): Move from here...
2398         * config/avr/avr.h (base_arch_s): ... here. Add new members 
2399         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
2400         'mega' to 'have_jmp_call'.
2401         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
2402         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2403         macros.
2404         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
2405         architectures.
2406         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
2407         MULTILIB_MATCHES): (Ditto.).
2408
2409 2008-01-23  Richard Guenther  <rguenther@suse.de>
2410
2411         PR middle-end/31529
2412         * cgraphunit.c (cgraph_reset_node): Always mark the node
2413         not reachable if it is not queued already.
2414
2415 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2416
2417         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2418         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2419         (cputype_selected): New static variable.
2420         (bfin_handle_option): Set it if -mcpu is used.
2421         (override_option): Select default set of workarounds if no cpu type
2422         selected on the command line.
2423         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2424
2425         From  Michael Frysinger  <michael.frysinger@analog.com>
2426         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2427         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2428
2429         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2430         for bf547, bf523, bf524, and bf526.
2431         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2432         bf526.
2433         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2434         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2435         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2436         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2437         * doc/invoke.texi (Blackfin Options): Document that
2438         -mcpu now accept bf547, bf523, bf524, and bf526.
2439
2440 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2441
2442         PR rtl-optimization/34628
2443         * combine.c (try_combine): Stop and undo after the first combination
2444         if an autoincrement side-effect on the first insn has effectively
2445         been lost.
2446
2447 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2448
2449         PR target/34529
2450         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2451         Offset addresses are not valid for Altivec or paired float modes.
2452
2453 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2454
2455         PR c++/34607
2456         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2457         if DECL_INITIAL (decl) is error_mark_node.
2458
2459         PR c++/34914
2460         * c-common.c (handle_vector_size_attribute): Only allow
2461         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2462         the same way as pointer, array etc. types.
2463         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2464
2465         PR c++/34917
2466         * tree.c (build_type_attribute_qual_variant): Call
2467         build_qualified_type if attributes are equal, but quals are not.
2468
2469 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2470
2471         PR 32102
2472         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2473         * flags.h (warn_strict_aliasing): Remove.
2474         (warn_strict_overflow): Remove.
2475         * opts.c (warn_strict_aliasing): Remove.
2476         (warn_strict_overflow): Remove.
2477         * c-opts.c (c_common_handle_option): -Wall only sets
2478         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2479         (c_common_post_options): Give default values to -Wstrict-aliasing
2480         and -Wstrict-overflow if they are uninitialized.
2481         * common.opt (Wstrict-aliasing): Specify Var and Init.
2482         (Wstrict-overflow): Likewise.
2483
2484 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2485
2486         PR rtl-optimization/26854
2487         PR rtl-optimization/34400
2488         PR rtl-optimization/34884
2489         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2490         DF_RD->gen.
2491         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2492         (df_rd_bb_info.expanded_lr_out): Deleted
2493         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2494         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2495         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2496         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2497         Removed code to allocate, initialize or free expanded_lr_out.
2498         (df_rd_bb_local_compute_process_def): Restructured to make more
2499         understandable.
2500         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2501         sets if the sets are being trimmed.
2502
2503 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2504
2505         PR bootstrap/32287
2506         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2507         (as_vers): Likewise.
2508         * configure: Regenerated.
2509
2510 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2511
2512         PR middle-end/33092
2513         * tree-pass.h (pass_build_alias): New pass.
2514         * tree-ssa-alias.c (gate_build_alias): New.
2515         (pass_build_alias): New.
2516         * passes.c (init_optimization_passes): Add pass_build_alias after
2517         pass_create_structure_vars.
2518
2519 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2520
2521         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2522         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2523         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2524         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2525         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2526         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2527         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2528         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2529         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2530         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2531         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2532         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2533         * config/s390/s390.md (FP_ALL): New mode iterator.
2534         (_d): New mode attribute.
2535         ("*signbit<mode>2>"): Changed mode of first operand.
2536         ("isinf<mode>2"): Changed mode of first operand.
2537         ("*TDC_insn"): Adaptation for DFP modes.
2538
2539 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2540
2541         * tree.c (check_qualified_type): Improve function description.
2542
2543 2008-01-21  Jason Merrill  <jason@redhat.com>
2544
2545         PR c++/34196
2546         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2547         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2548         if it is set.
2549
2550 2008-01-21  DJ Delorie  <dj@redhat.com>
2551
2552         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2553         return zero.
2554
2555 2008-01-21  Richard Guenther  <rguenther@suse.de>
2556
2557         PR middle-end/34856
2558         * tree-cfg.c (verify_expr): Allow all invariant expressions
2559         instead of just constant class ones as reference argument.
2560         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2561         like any other constant.
2562         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2563
2564 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2565
2566         * regmove.c (fixup_match_1): Update call crossed frequencies.
2567
2568 2008-01-21  Richard Guenther  <rguenther@suse.de>
2569
2570         PR c/34885
2571         * tree-inline.c (setup_one_parameter): Deal with mismatched
2572         types using a VIEW_CONVERT_EXPR.
2573
2574 2008-01-21  Alon Dayan  <alond@il.ibm.com>
2575             Olga Golovanevsky  <olga@il.ibm.com>
2576         
2577         PR tree-optimization/34701
2578         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
2579         when the structure size is not a power of 2.
2580
2581 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
2582
2583         * doc/install.texi: Add doc for --enable-checking=df.
2584         
2585 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2586
2587         PR rtl-optimization/34808
2588         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
2589
2590 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2591
2592         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
2593         input.
2594
2595 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2596
2597         PR rtl-optimization/26854
2598         PR rtl-optimization/34400
2599         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
2600         DF_RD->gen.
2601         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
2602         (df_rd_bb_info.expanded_lr_out): New.
2603         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
2604         * loop_iv.c (iv_analysis_loop_init): Ditto.
2605         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2606         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2607         Added code to allocate, initialize or free expanded_lr_out.
2608         (df_rd_bb_local_compute_process_def): Restructured to make
2609         more understandable.
2610         (df_rd_confluence_n): Add code to do nothing with fake edges and
2611         code to no apply invalidate_by_call sets if the sets are being trimmed.
2612         (df_lr_local_finalize): Renamed to df_lr_finalize.
2613         (df_live_local_finalize): Renamed to df_live_finalize.
2614
2615 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2616
2617         PR target/34831
2618         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
2619         deciding whether to use reciprocal instructions.
2620
2621 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
2622
2623         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
2624         dwarf2out_note_section_used if cold_text_section is NULL.
2625
2626 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
2627
2628         PR gcov-profile/34610
2629         * tree-cfg.c (make_edges): Mark both outgoing edges from
2630         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
2631         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
2632         from OMP_FOR and OMP_CONTINUE outgoing edges.
2633
2634         * tree-profile.c (tree_profiling): Return early if
2635         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
2636         at the end.
2637         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
2638         from cfun to child_cfun.
2639         * function.h (struct function): Add after_tree_profile bit.
2640
2641 2008-01-19 Anatoly Sokolov <aesok@post.ru>
2642
2643         * config/avr/avr.S (_exit): Disable interrupt.
2644
2645 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
2646             Steven Bosscher  <stevenb.gcc@gmail.com>
2647
2648         PR rtl-optimization/26854
2649         PR rtl-optimization/34400
2650         * df-problems.c (df_live_scratch): New scratch bitmap.
2651         (df_live_alloc): Allocate df_live_scratch when doing df_live.
2652         (df_live_reset): Clear the proper bitmaps.
2653         (df_live_bb_local_compute): Only process the artificial defs once
2654         since the order is not important.
2655         (df_live_init): Init the df_live sets only with the variables
2656         found live by df_lr.
2657         (df_live_transfer_function): Use the df_lr sets to prune the
2658         df_live sets as they are being computed.  
2659         (df_live_free): Free df_live_scratch.
2660
2661 2008-01-18  Ian Lance Taylor  <iant@google.com>
2662
2663         * common.opt: Add fmerge-debug-strings.
2664         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
2665         flag_merge_debug_strings rather than flag_merge_constants.
2666         * doc/invoke.texi (Option Summary): Mention
2667         -fmerge-debug-strings.
2668         (Debugging Options): Document -fmerge-debug-strings.
2669
2670 2008-01-18  Ian Lance Taylor  <iant@google.com>
2671
2672         PR c++/33407
2673         * tree.h (DECL_IS_OPERATOR_NEW): Define.
2674         (struct tree_function_decl): Add new field operator_new_flag.
2675         * tree-inline.c (expand_call_inline): When inlining a call to
2676         operator new, force the return value to go into a variable, and
2677         set DECL_NO_TBAA_P on that variable.
2678         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
2679
2680 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
2681
2682         PR debug/34484
2683         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
2684         DWARF2_DEBUGGING_INFO.
2685         (dwarf2out_note_section_used): Ditto.  Add prototype.
2686         (have_multiple_function_sections, text_section_used,
2687         cold_text_section_used, *cold_text_sections): Move declarations
2688         before their uses.
2689
2690 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
2691
2692         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
2693         field and add signal_ra.
2694         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
2695         assignments to frame state pc.  Move end of stack check after
2696         MD_FALLBACK_FRAME_STATE_FOR.
2697         (uw_update_context_1): Use frame state signal_regs if set, instead
2698         of checking signal_frame flag.
2699         (uw_update_context): Use frame state signal_ra if set.
2700         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
2701         * config/xtensa/linux-unwind.h: New file.
2702
2703 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
2704
2705         * modulo-sched.c (get_sched_window): Fix comment typo.
2706
2707 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
2708
2709         PR tree-optimization/34648
2710         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
2711
2712 2008-01-17  Anatoly Sokolov <aesok@post.ru>
2713
2714         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
2715         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
2716
2717 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
2718
2719         PR rtl-optimization/34400
2720         * df-core.c (df_worklist_dataflow_overeager,
2721         df_worklist_dataflow_doublequeue): New functions.
2722         (df_worklist_dataflow): Two different worklist solvers.
2723         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
2724         New param.
2725
2726 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2727
2728         PR testsuite/34821
2729         * doc/invoke.texi: Document the dependence on pthread for fopenmp
2730         and ftree-parallelize-loops.
2731
2732 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
2733
2734         PR rtl-optimization/34826
2735         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
2736
2737 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2738
2739         * global.c (find_reg): Mark the eh regs as used if necessary.
2740         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
2741         * ra.h (struct allocno): no_eh_reg field added.  Changed
2742         no_stack_reg type to bitfield.
2743
2744 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
2745
2746         * tree.c (substitute_in_expr): Add missing 'break'.
2747
2748 2008-01-17  Richard Guenther  <rguenther@suse.de>
2749
2750         PR tree-optimization/34825
2751         * tree-ssa-math-opts.c (is_division_by): Do not recognize
2752         x / x as division to handle.
2753
2754 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2755
2756         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
2757         "-pthread" is specified.
2758         * pa-hpux11.h (LIB_SPEC): Likewise.
2759
2760 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
2761             Peter Bergner  <bergner@vnet.ibm.com>
2762
2763         PR rtl-optimization/33796
2764         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
2765
2766 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2767
2768         PR libgfortran/34699
2769         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
2770         static links.
2771         * pa-hpux10.h (LINK_SPEC): Likewise.
2772         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
2773
2774 2008-01-16  Richard Guenther  <rguenther@suse.de>
2775
2776         PR middle-end/32628
2777         * fold-const.c (fold_convert_const_int_from_int): Do not
2778         set overflow if that occured only because of a sign extension
2779         change when converting from/to a sizetype with the same
2780         precision and signedness.
2781
2782 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2783
2784         PR debug/34249
2785         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
2786         location address to the correct place.  Update copyright year.
2787
2788 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2789
2790         * lambda-code.c (lambda_transform_legal_p): Handle the case of
2791         no dependences in the dependence_relations vector.
2792
2793 2008-01-16  Jan Hubicka  <jh@suse.cz>
2794
2795         PR rtl-optimization/31396
2796         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
2797         * cfg.c (dump_reg_info): Print it.
2798         * regs.h (struct reg_info_t): add freq_calls_crossed.
2799         (REG_FREQ_CALLS_CROSSED): New macro.
2800         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
2801         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
2802         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2803         regmove_optimize): Update call crossed frequencies.
2804         * local-alloc.c (struct qty): Add freq_calls_crossed.
2805         (alloc_qty): Copute freq_calls_crossed.
2806         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
2807         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
2808         * ra.h (struct allocno): Add freq_calls_crossed.
2809
2810 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2811
2812         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
2813         libgomp when compiling with ftree-parallelize-loops.
2814         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
2815
2816 2008-01-16  Richard Guenther  <rguenther@suse.de>
2817
2818         PR tree-optimization/34769
2819         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
2820         * tree.c (int_cst_value): Instead make this function more
2821         permissive in what it accepts as valid input.  Document this
2822         function always sign-extends the value.
2823
2824 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
2825             Richard Guenther  <rguenther@suse.de>
2826
2827         PR c/34668
2828         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
2829         (gimple_fold_indirect_ref_rhs): ... this.
2830         (gimple_fold_indirect_ref): New function with foldings
2831         that preserve lvalueness.
2832         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
2833         * tree-flow.h (gimple_fold_indirect_ref): Declare.
2834         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
2835         to fold an INDIRECT_REF, fall back to the old use of
2836         fold_indirect_ref_1.
2837
2838 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2839
2840         * tree-data-ref.c (subscript_dependence_tester_1): Call 
2841         free_conflict_function.
2842         (compute_self_dependence): Same.
2843
2844 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2845
2846         PR debug/34249
2847         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
2848         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
2849         function global.
2850         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
2851         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
2852         for DWARF2_UNWIND_INFO targets.
2853
2854 2008-01-16  Richard Guenther  <rguenther@suse.de>
2855
2856         PR c/34768
2857         * c-typeck.c (common_pointer_type): Do not merge inconsistent
2858         type qualifiers for function types.
2859
2860 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
2861
2862         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
2863         loop_iterator li from previous commit.
2864
2865 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2866
2867         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
2868
2869 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2870
2871         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
2872         (parallelize_loops): Don't parallelize irreducible components.
2873
2874 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2875
2876         PR c++/24924
2877         * c-opts (c_common_post_options): Do not enable CPP
2878         flag_pedantic_errors by default.
2879         
2880 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
2881
2882         PR rtl-optimization/31944
2883         * cse.c (remove_pseudo_from_table): New function.
2884         (merge_equiv_classes): Use above function to remove pseudo-registers.
2885         (invalidate): Likewise.
2886
2887 2008-01-13  Richard Guenther  <rguenther@suse.de>
2888
2889         PR middle-end/34601
2890         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
2891         instead of TYPE_MODE to deal with calls from expand_one_error_var.
2892
2893 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
2894
2895         * gcse.c (cprop_jump): Call validate_unshare_change instead of
2896         validate_change to unshare the source of the PC set.
2897
2898 2008-01-12  Jan Hubicka  <jh@suse.cz>
2899
2900         PR middle-end/32135
2901         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
2902         references above array bounds.  This might trigger bounds checks for
2903         pointers to arrays.
2904
2905 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2906
2907         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
2908         new_replaceable_dependencies.
2909
2910 2008-01-12  Doug Kwan  <dougkwan@google.com>
2911
2912         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
2913         instead of OPT_Wreturn_type in warning due to ignored return type
2914         qualifiers.
2915         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
2916         options included in -Wextra.
2917         * c.opt: New option -Wignored_qualifiers.
2918         * doc/invoke.texi (Warning Options, -Wextra): Add new option
2919         -Wignore_qualifiers.
2920         (-Wignored-qualifiers): Document.
2921         (-Wreturn-type): Remove description of functionality now handled
2922         by -Wignored-qualifiers.
2923
2924 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
2925
2926         PR ada/33788
2927         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
2928         NOP_EXPR if it is between integral types with the same precision.
2929
2930 2008-01-12  Jan Hubicka  <jh@suse.cz>
2931
2932         PR other/28023
2933         * invoke.texi (max-inline-recursive-depth): Fix default value.
2934
2935 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
2936
2937         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
2938         correct type.
2939
2940 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
2941         
2942         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
2943         
2944 2008-01-11  James E. Wilson  <wilson@specifix.com>
2945
2946         PR target/26015
2947         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
2948
2949 2008-01-11  Anatoly Sokolov <aesok@post.ru>
2950
2951         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
2952         save/restore frame pointer register and don't use 'call-prologues' 
2953         optimization in function with "OS_task" attribute.
2954
2955 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2956
2957         PR middle-end/31309
2958         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
2959         when copying to memory.
2960
2961 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
2962
2963         PR rtl-optimization/30905
2964         * cfgcleanup.c: Include dce.h
2965         (crossjumps_occured): New global variable.
2966         (try_crossjump_bb): Exit loop after finding a fallthru edge.
2967         If something changed, set crossjumps_occured to true.
2968         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
2969         Don't add/remove fake edges to exit here...
2970         (cleanup_cfg): ...but do it here, when crossjumping.
2971         Run a fast DCE when successful crossjumps occured in the latest
2972         iteration of try_optimize_cfg.
2973
2974 2008-01-11  Richard Guenther  <rguenther@suse.de>
2975
2976         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
2977         (struct vn_unary_op_s): Likewise.
2978         (vn_reference_insert): Free old reference on hash collision.
2979
2980 2008-01-10  Raksit Ashok  <raksit@google.com>
2981
2982         PR rtl-optimization/27971
2983         * combine.c (find_split_point): Split PLUS expressions which are
2984         inside a MEM rtx, and whose first operand is complex.
2985
2986 2008-01-10  DJ Delorie  <dj@redhat.com>
2987
2988         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
2989         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
2990         (m32c_hard_regno_ok): Call the underlying function.
2991
2992 2008-01-10  Richard Guenther  <rguenther@suse.de>
2993
2994         PR middle-end/34683
2995         * tree-cfg.c (tree_merge_blocks): Do not go through the
2996         full-blown folding and stmt updating path if we just deal
2997         with virtual operands.
2998         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
2999         test for abnormal SSA_NAMEs.
3000
3001 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3002
3003         PR middle-end/34641
3004         * reload.c (push_reload): Add assertions.  All constants from
3005         reg_equiv_constant should have been used for replacing the respective
3006         pseudo earlier.
3007         (find_reloads_address): Invoke find_reloads_address_part for
3008         constant taken from the reg_equiv_constant array.
3009
3010 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
3011
3012         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3013         field (valnum) the first in the struct.  Replace bools with
3014         unit bit fields.
3015
3016 2008-01-10  Richard Guenther  <rguenther@suse.de>
3017
3018         PR tree-optimization/34651
3019         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
3020         types and ordering for masking and converting.
3021
3022 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
3023
3024         PR tree-optimization/34017
3025         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3026         also for PHI_NODE expressions.
3027
3028 2008-01-09  Jan Hubicka  <jh@suse.cz>
3029
3030         PR tree-optimization/34708
3031         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3032         based on number of case labels.
3033         (init_inline_once): Remove switch_cost.
3034         * tree-inline.h (eni_weights_d): Remove switch_cost.
3035
3036 2008-01-09  Richard Guenther  <rguenther@suse.de>
3037         Andrew Pinski  <andrew_pinski@playstation.sony.com>
3038
3039         PR middle-end/30132
3040         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3041         temporary if an rvalue is ok or an lvalue is not required.
3042
3043 2008-01-09  Richard Guenther  <rguenther@suse.de>
3044
3045         PR middle-end/34458
3046         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3047         adjust return type.
3048
3049 2008-01-09  Richard Guenther  <rguenther@suse.de>
3050
3051         PR middle-end/34679
3052         * tree.c (host_integerp): Check for sizetype only if the
3053         type is an integer type.
3054
3055 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3056
3057         PR debug/26364
3058         * opts.c (decode_options): Disable inlining of functions called
3059         once if not in unit-at-a-time mode.
3060
3061 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3062
3063         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3064
3065 2008-01-08  Richard Guenther  <rguenther@suse.de>
3066
3067         PR middle-end/31863
3068         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3069         out early if the result will be unused.
3070
3071 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3072
3073         PR target/34709
3074         Revert:
3075
3076         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3077         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3078         for TARGET_RECIP.       
3079         
3080 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3081         
3082         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3083         for vectorization tuned.
3084         
3085 2008-01-08  Richard Guenther  <rguenther@suse.de>
3086
3087         PR tree-optimization/34683
3088         * tree-ssa-operands.c (operand_build_cmp): Export.
3089         * tree-ssa-operands.h (operand_build_cmp): Declare.
3090         * tree-vn.c (vuses_compare): Remove.
3091         (sort_vuses): Use operand_build_cmp.
3092         (sort_vuses_heap): Likewise.
3093         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3094         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3095         (vdefs_to_vec): Do not sort already sorted VDEFs.
3096
3097 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3098
3099         PR middle-end/34694
3100         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3101
3102 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3103
3104         PR target/34702
3105         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3106         limitations of reciprocal sequences on x86 targets.
3107
3108 2008-01-08  Richard Guenther  <rguenther@suse.de>
3109
3110         PR tree-optimization/34683
3111         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3112
3113 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3114
3115         PR target/34622
3116         * config/darwin.c (darwin_mergeable_string_section): Don't use
3117         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3118
3119 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3120
3121         PR target/34682
3122         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3123         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3124         predicates of op0 and op1 to register_operand.
3125         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3126         expander using X87MODEF mode iterator.  Change predicates of
3127         op0 and op1 to register_operand.
3128         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3129         corresponding patterns and macroize using MODEF macro.  Change
3130         predicates of op0 and op1 to register_operand and remove
3131         "m" constraint. Disparage "r" alternative with "!".
3132         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3133         macroize using X87MODEF macro.  Change predicates of op0 and op1
3134         to register_operand and remove "m" constraint.  Disparage "r"
3135         alternative with "!".
3136         (absneg splitter with memory operands): Remove.
3137         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3138         patterns and macroize using X87MODEF mode iterator.
3139         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3140         Change predicate of op1 to register_operand.
3141         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3142         for memory operands.
3143
3144 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3145
3146         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3147
3148 2008-01-07  Richard Guenther  <rguenther@suse.de>
3149
3150         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3151         fields.
3152
3153 2008-01-07  Richard Guenther  <rguenther@suse.de>
3154
3155         PR tree-optimization/34683
3156         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3157         VOPs of the needed size to save memory.  Use VEC_quick_push
3158         to save compile-time.
3159         (vdefs_to_vec): Likewise.
3160
3161 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3162
3163         * config/spu/spu.md (divdf3): Genetate inline code for double
3164         division.  The implementation doesn't handle INF or NAN, therefore it
3165         only applies when -ffinite-math-only is given.
3166
3167 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3168
3169         PR libstdc++/34680
3170         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3171         * doc/cpp.texi ([Common Predefined Macros]): Document.
3172
3173 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3174
3175         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3176         order to use commutative addition instead of subtraction.
3177
3178 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3179             Mircea Namolaru  <namolaru@il.ibm.com>
3180             Vladimir Yanovsky  <yanov@il.ibm.com>
3181             Revital Eres  <eres@il.ibm.com>
3182
3183         PR tree-optimization/34263
3184         * tree-outof-ssa.c (process_single_block_loop_latch,
3185         contains_tree_r): New functions.
3186         (analyze_edges_for_bb): Call process_single_block_loop_latch
3187         function to empty single-basic-block latch block if possible.
3188
3189 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3190
3191         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3192         for TARGET_RECIP.
3193         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3194
3195 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3196
3197         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3198
3199 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3200
3201         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3202
3203 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3204
3205         PR tree-optimization/34618
3206         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3207         flag from T.
3208
3209 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3210
3211         PR target/34673
3212         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3213         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3214         Update copyright year.
3215
3216         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3217         Update copyright year.
3218         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3219         using NR fixup.
3220
3221 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3222
3223         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3224         edge does not point to current bb before changing need_assert.
3225
3226 2008-01-04  Richard Guenther  <rguenther@suse.de>
3227
3228         PR middle-end/34029
3229         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3230         for verifying purposes if they are is_gimple_min_invariant.
3231
3232 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3233
3234         PR tree-optimization/34448
3235         PR tree-optimization/34465
3236         * gimplify.c (gimplify_init_constructor): Add new parameter
3237         notify_temp_creation.  Use it.
3238         (gimplify_modify_expr_rhs): Take volatiles into account when
3239         optimizing constructors.
3240         Do not optimize constructors if gimplify_init_constructor will dump to
3241         memory.
3242         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3243         * gcc.c-torture/compile/pr34448.c: New.
3244
3245 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3246
3247         PR gcov-profile/34609
3248         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3249         return_slot if result is TREE_ADDRESSABLE.
3250
3251 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3252
3253         * config/mips/mips.md (sqrt_condition): Tweak comment.
3254         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3255
3256 2008-01-03  Tom Tromey  <tromey@redhat.com>
3257
3258         PR c/34457
3259         * c-common.c (c_type_hash): Handle VLAs.
3260
3261 2008-01-03  Jan Hubicka  <jh@suse.cz>
3262
3263         PR tree-optimization/31081
3264         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3265         0 when inlining and not inlining to first basic block.
3266         (remap_decl): When var is initialized to 0, don't set default_def.
3267         (expand_call_inline): Set entry_bb.
3268         * tree-inline.h (copy_body_data): Add entry_bb.
3269
3270 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3271
3272         PR c++/34619
3273         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3274         before returning.
3275
3276         PR tree-optimization/29484
3277         * tree-inline.c (inline_forbidden_p_2): New function.
3278         (inline_forbidden_p): Disallow inlining if some static var
3279         has an address of a local LABEL_DECL in its initializer.
3280         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3281         vs. inlining.
3282
3283 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3284
3285         PR tree-optimization/34635
3286         * tree-data-ref.c (add_other_self_distances): Make sure that the
3287         evolution step is constant.
3288
3289 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3290
3291         PR middle-end/34608
3292         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3293
3294 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3295
3296         * tree-sra.c (scalarize_init): Insert the generate_element_init
3297         statements after the generate_element_zero statements.
3298
3299 2008-01-02  Richard Guenther  <rguenther@suse.de>
3300
3301         PR middle-end/34093
3302         PR middle-end/31976
3303         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3304         for very large number of operands instead of ICEing.
3305
3306 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3307
3308         PR target/34013
3309         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3310         while stack probing.
3311
3312 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3313
3314         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3315         in C++0x mode.
3316
3317 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3318
3319         PR libmudflap/26442
3320         * tree-mudflap.c (mx_register_decls): Guard warning by
3321         !DECL_ARTIFICIAL check.
3322
3323 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3324
3325         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3326         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3327         sse5_perm<mode>): Fix constraints.