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* config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
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         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
10         label to probe the stack.
11
12 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
13
14         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
15         (__gthr_win32_mutex_destroy): Declare.
16         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
17         __gthr_win32_mutex_destroy.
18         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
19
20 2008-03-03  Jan Hubicka  <jh@suse.cz>
21
22         PR c++/35262
23         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
24         aggressive on inlining cold calls.
25
26 2008-03-03  Richard Guenther  <rguenther@suse.de>
27
28         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
29         struct copies into the expression table.
30         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
31         (try_to_simplify): Likewise.
32         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
33         integral and pointer arguments which do not change the
34         precision to NOP_EXPRs.
35         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
36         VIEW_CONVERT_EXPR case.
37
38 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
39
40         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
41         defined in a loop at depth 0 is invariant.
42         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
43         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
44         be called at loop depth 0.
45
46 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
47
48         PR driver/35420
49         * gcc.c (process_command): Update copyright notice dates.
50         * gcov.c (print_version): Likewise.
51         * gcov-dump.c (print_version): Likewise.
52         * mips-tfile.c (main): Likewise.
53         * mips-tdump.c (main): Likewise.
54
55 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
56
57         PR 24924
58         * c-common.c (flag_permissive): Delete.
59         (constant_expression_warnings): Check flags first.
60         (constant_expression_error): New.
61         * c-common.h (flag_permissive): Delete.
62         (constant_expression_error): Declare.
63         * flags.h (flag_permissive): Declare. Update description.
64         * diagnostic.c (pedwarn): Update.
65         (permerror): New.
66         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
67         (permissive_error_kind): New.
68         * toplev.c (flag_permissive): Define. Update description.
69         * toplev.h (permissive_error_kind): Declare.
70         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
71         (pedwarn_c90): Use pedantic_warning_kind.
72         * c-opts.c (c_common_post_options): flag_permissive does not affect
73         flag_pedantic_errors.
74
75 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
76
77         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
78         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
79         __absvsi2, __absvDI2): Use unsigned arithmetic.
80
81 2008-03-02  Andi Kleen  <ak@suse.de>
82         Richard Guenther  <rguenther@suse.de>
83
84         * struct-equiv.c: Remove file.
85         * cfg_cleanup.c (condjump_equiv_p): Remove.
86         * Makefile.in (OBJS-common): Remove struct-equiv.o.
87         (struct-equiv.o): Remove rule.
88         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
89         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
90         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
91
92 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
93
94         * ifcvt.c (noce_process_if_block): Try to handle only the then
95         block if the else block exists but isn't suitable.
96
97 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
98
99         PR gcc/35063
100         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
101         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
102         regression from previous patch.
103
104 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
105
106         PR gcc/35063
107         * gthr.h: Add __gthread_mutex_destroy as a function that must be
108         implemented.
109         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
110         * gthr-single.h (__gthread_mutex_destroy): Likewise.
111         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
112         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
113         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
114         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
115         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
116         (__gthread_mutex_destroy_function): Rename to
117         __gthread_mutex_destroy.
118         * gthr-dce.h (__gthread_mutex_destroy): Call
119         pthread_mutex_destroy.
120         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
121         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
122         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
123
124 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
125
126         * df-scan.c (df_ref_chain_change_bb): Simplify.
127         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
128         set_block_for_insn if there's any change.
129         * df.h ((df_insn_change_bb): Fix prototype.
130         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
131         df_insn_change_bb, don't call set_block_for_insn.
132         * emit-rtl.c (reorder_insns): Likewise.
133         * haifa-sched.c (move_insn): Likewise.
134
135 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
136
137         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
138
139 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
140
141         * tree-flow-inline.h (next_readonly_imm_use): Return
142         NULL_USE_OPERAND_P after the end.
143
144 2008-03-01  Richard Guenther  <rguenther@suse.de>
145
146         PR tree-optimization/35411
147         * tree-sra.c (sra_build_assignment): Split conversion to
148         final type to a separate statement if we are not assigning
149         to a register.
150
151 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
152
153         * fold-const.c (fold_convertible_p): Correct the logic to follow
154         that in fold_convert().
155
156 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
157
158         PR c++/35315
159         * tree-inline.c (build_duplicate_type): When we make a
160         duplicate type, make it unique in the canonical types system.
161
162 2008-02-29  Tom Tromey  <tromey@redhat.com>
163
164         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
165         input_file_stack_history, input_file_stack_restored): Remove.
166         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
167         * input.h (struct file_stack): Remove.
168         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
169         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
170         Likewise.
171         * diagnostic.h (struct diagnostic_context) <last_module>: Change
172         type.
173         (diagnostic_last_module_changed): Add 'map' argument.
174         (diagnostic_set_last_function): Likewise.
175         * diagnostic.c (undiagnostic_report_current_module): Iterate using
176         line map, not input_file_stack.
177         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
178
179 2008-02-29  Paul Brook  <paul@codesourcery.com>
180
181         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
182
183 2008-02-29  Paul Brook  <paul@codesourcery.com>
184
185         * config/arm/ieee754-df.S (muldf3): Use RET macros.
186
187 2008-02-29  Richard Guenther  <rguenther@suse.de>
188
189         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
190         vn_lookup_or_add.
191         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
192         value for comparing for a store match.
193         (simplify_unary_expression): Do nothing for SSA_NAMEs.
194         (try_to_simplify): Do not do a full-blown reference lookup.
195
196 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
197
198         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
199         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
200
201         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
202
203 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
204
205         * tree-loop-linear.c (try_interchange_loops): Compare memory access
206         strides against cache sizes.
207
208 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
209
210         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
211         constant to fpul.
212
213 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
214
215         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
216         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
217         is smaller than the original promoted value.
218         (simplify_subreg): If OP is a SUBREG, try to preserve its
219         SUBREG_PROMOTED_VAR_P information.
220
221 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
222
223         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
224         (VN_INFO_GET): Allocate new objects on the obstack.
225         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
226         for rpo_numbers_temp, for consistency.
227         (free_scc_vn): Free the obstack.
228
229 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
230
231         * doc/invoke.texi: Document -ftree-loop-distribution.
232         * tree-loop-distribution.c: New.
233         * tree-pass.h (pass_loop_distribution): New.
234         * graphds.h (struct graph): Add htab_t indices.
235         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
236         * tree-vectorizer.c (rename_variables_in_loop): Extern.
237         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
238         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
239         * tree-data-ref.c (debug_data_dependence_relations): New.
240         (dump_data_dependence_relation): Also print data references.
241         (free_data_ref): Extern.
242         (same_access_functions): Moved...
243         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
244         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
245         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
246         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
247         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
248         (stmts_from_loop): Skip LABEL_EXPR.
249         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del): New.
250         (build_rdg): Initialize rdg->indices htab.
251         (free_rdg, stores_from_loop, ref_base_address,
252         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
253         have_similar_memory_accesses_1, ref_base_address_1,
254         remove_similar_memory_refs): New.
255         * tree-data-ref.h: Depend on tree-chrec.h.
256         (debug_data_dependence_relations, free_data_ref): Declared.
257         (same_access_functions): ... here.
258         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level): New.
259         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
260         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
261         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
262         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
263         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
264         rdg_vertex_for_stmt): Declared.
265         (struct rdg_edge): Add level.
266         (RDGE_LEVEL): New.
267         (free_rdg, stores_from_loop, remove_similar_memory_refs,
268         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses): Declared.
269         (rdg_has_similar_memory_accesses): New.
270         * tree-vect-analyze.c: Remove unused static decls.
271         * lambda.h (dependence_level): New.
272         * common.opt (ftree-loop-distribution): New.
273         * tree-flow.h (mark_virtual_ops_in_bb, 
274         slpeel_tree_duplicate_loop_to_edge_cfg,
275         rename_variables_in_loop): Declared.
276         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
277         (OBJS-common): Add tree-loop-distribution.o.
278         (tree-loop-distribution.o): New rule.
279         * tree-cfg.c (mark_virtual_ops_in_bb): New.
280         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
281         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
282
283 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
284
285         PR target/33963
286         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
287         other than structures and unions.
288
289 2008-02-28  Richard Guenther  <rguenther@suse.de>
290
291         Revert:
292         2008-02-26  Richard Guenther  <rguenther@suse.de>
293
294         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
295         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
296         (lookup_decl_from_uid): Declare.
297         (remove_decl_from_map): Likewise.
298         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
299         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
300         (decl_for_uid_map): New global hashtable mapping DECL_UID
301         to the decl tree.
302         (init_ttree): Allocate it.
303         (insert_decl_to_uid_decl_map): New helper function.
304         (make_node_stat): Insert new decls into the map.
305         (copy_node_stat): Likewise.
306         (lookup_decl_from_uid): New function.
307         (remove_decl_from_map): Likewise.
308         (print_decl_for_uid_map_statistics): New helper.
309         (dump_tree_statistics): Call it.
310
311         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
312         (referenced_var_iterator): Adjust.
313         (FOR_EACH_REFERENCED_VAR): Adjust.
314         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
315         (num_referenced_vars): Adjust.
316         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
317         (first_referenced_var): Remove.
318         (end_referenced_vars_p): Likewise.
319         (next_referenced_var): Likewise.
320         (referenced_var_iterator_set): New helper function.
321         * tree-dfa.c (referenced_var_lookup): Adjust.
322         (referenced_var_check_and_insert): Likewise.
323         (remove_referenced_var): Likewise.
324         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
325         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
326         (verify_call_clobbering): Likewise.
327         (verify_memory_partitions): Likewise.
328         (init_tree_ssa): Allocate bitmap instead of hashtable for
329         referenced_vars.
330         (delete_tree_ssa): Adjust.
331         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
332         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
333         (compute_tag_properties): Likewise.
334         (set_initial_properties): Likewise.
335         (find_partition_for): Likewise.
336         (update_reference_counts): Likewise.
337         (dump_may_aliases_for): Likewise.
338         * tree-ssa-operands.c (add_virtual_operand): Likewise.
339         (add_call_clobber_ops): Likewise.
340         (add_call_read_ops): Likewise.
341         (get_asm_expr_operands): Likewise.
342         * tree-into-ssa.c (dump_decl_set): Likewise.
343         (update_ssa): Likewise.
344         * tree-sra.c (scan_function): Likewise.
345         (decide_instantiations): Likewise.
346         (scalarize_parms): Likewise.
347         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
348         (dsa_named_for): Likewise.
349         * tree-ssa-structalias.c (update_alias_info): Likewise.
350         (merge_smts_into): Likewise.
351
352 2008-02-27  David Daney  <ddaney@avtrex.com>
353
354         PR target/34409
355         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
356         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
357         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
358         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
359         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
360
361 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
362
363         PR target/25477
364         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
365         (BUILT_IN_NEXTTOWARD): Remove.
366         (BUILT_IN_NEXTTOWARDF): Ditto.
367         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
368         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
369
370 2008-02-27  Tom Tromey  <tromey@redhat.com>
371
372         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
373         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
374
375 2008-02-27  Jan Beulich  <jbeulich@novell.com>
376
377         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
378         update the respective field on newdecl.
379
380 2008-02-27  Revital Eres  <eres@il.ibm.com>
381
382         PR rtl-optimization/34999
383         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
384         crossing edges that ends with a call insn.
385         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
386         call insn and clear the EDGE_CROSSING flag of the crossing edge
387         when fixing fallthru edges.
388
389 2008-02-27  Richard Guenther  <rguenther@suse.de>
390
391         PR middle-end/35390
392         * fold-const.c (fold_unary): Return the correct argument,
393         converted to the result type.
394
395 2008-02-27  Richard Guenther  <rguenther@suse.de>
396
397         PR middle-end/34971
398         * expr.c (expand_expr_real_1): Assert on rotates that operate
399         on partial modes.
400         * fold-const.c (fold_binary): Use the types precision, not the
401         bitsize of the mode if folding rotate expressions.  Build rotates
402         only for full modes.
403
404 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
405
406         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
407         and CPP_PRAGMA_EOL.
408         * c-pragma.c (pragma_ns_name): New typedef.
409         (registered_pp_pragmas): New variable.
410         (c_pp_lookup_pragma): New function.
411         (c_register_pragma_1): If flag_preprocess_only, do nothing
412         for non-expanded pragmas, for expanded ones push pragma's
413         namespace and name into registered_pp_pragmas vector.
414         (c_invoke_pragma_handler): Register OpenMP pragmas even when
415         flag_preprocess_only, don't register GCC pch_preprocess
416         pragma if flag_preprocess_only.
417         * c-opts.c (c_common_init): Call init_pragma even if
418         flag_preprocess_only.
419         * c-pragma.c (c_pp_lookup_pragma): New prototype.
420         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
421         cpp_register_pragma if flag_preprocess_only.
422
423 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
424
425         PR c/28800
426         * c-parser.c (c_parser_translation_unit): Warn for empty
427         translation unit, not empty source file.
428
429 2008-02-26  Paul Brook  <paul@codesourcery.com>
430
431         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
432         operand for Thumb-2.
433         * config/arm/arm.h (reg_class): Add CORE_REGS.
434         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
435         (BASE_REG_CLASS): Use CORE_REGS.
436         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
437         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
438         (REGNO_OK_FOR_INDEX_P): Exclude SP.
439         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
440         ARM_REGNO_OK_FOR_INDEX_P.
441         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
442         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
443         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
444         (ldm/stm peepholes): Ditto.
445         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
446         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
447         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
448         * config/arm/constraints.md: Enable "k" constraint on ARM.
449
450 2008-02-27  Ben Elliston  <bje@au.ibm.com>
451
452         * config/rs6000/rs6000.c: Annotate cache line size field in all
453         instances of struct processor_costs.
454
455 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
456
457         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
458         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
459         jump_bypass): New counters.
460         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
461         * dce.c (gate_ud_dce): Same.
462         (gate_fast_dce): Same.
463         * dse.c (gate_dse1): New function.
464         (gate_dse2): New function.
465         (gate_dse): Merge results of new gate functions.
466         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
467         (gate_handle_jump_bypass): Add dbg_cnt.
468         (gate_handle_gcse): Add dbg_cnt.
469         * ifcvt.c (gate_handle_if_conversion): Same.
470         (gate_handle_if_after_combine): Same.
471         (gate_handle_if_after_reload): Same.
472         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
473
474 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
475
476         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
477         line sizes.
478         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
479
480 2008-02-26  Jason Merrill  <jason@redhat.com>
481
482         PR c++/35315
483         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
484         alone if it's the naming decl for the type's main variant.
485
486 2008-02-26  Tom Tromey  <tromey@redhat.com>
487
488         * system.h (USE_MAPPED_LOCATION): Poison.
489         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
490         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
491         (make_goto_expr_edges): Likewise.
492         (remove_bb): Likewise.
493         (execute_warn_function_return): Likewise.
494         * basic-block.h (struct edge_def) <goto_locus>: Change type to
495         location_t.
496         * c-common.c (fname_decl): Remove old location code.
497         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
498         location code.
499         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
500         variant.
501         (ASM_INPUT_SOURCE_LOCATION): Likewise.
502         (gen_rtx_ASM_INPUT): Likewise.
503         (gen_rtx_ASM_INPUT_loc): Likewise.
504         (get_rtx_asm_OPERANDS): Remove.
505         * cfglayout.c (insn_locators_alloc): Remove old location code.
506         (set_curr_insn_source_location): Likewise.
507         (curr_insn_locator): Likewise.
508         * print-tree.c (print_node): Remove old location code.
509         * tree-mudflap.c (mf_varname_tree): Remove old location code.
510         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
511         * cfgexpand.c (expand_gimple_cond_expr): Don't use
512         location_from_locus.
513         (construct_exit_block): Remove old location code.
514         * emit-rtl.c (force_next_line_note): Remove old location code.
515         * profile.c (branch_prob): Remove old location code.
516         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
517         LOC_LINE): Remove old-location variants.
518         * langhooks.c (lhd_print_error_function): Remove old location
519         code.
520         * configure, config.in: Rebuilt.
521         * configure.ac (--enable-mapped-location): Remove.
522         * c-decl.c (c_init_decl_processing): Remove old location code.
523         (finish_function): Likewise.
524         * recog.c (decode_asm_operands): Remove old location code.
525         * c-pch.c (c_common_read_pch): Remove old location code.
526         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
527         variants.
528         * gimple-low.c (lower_function_body): Remove old location code.
529         * toplev.c (unknown_location): Remove.
530         (push_srcloc): Remove old-location variant.
531         (process_options): Remove old location code.
532         (lang_dependent_init): Likewise.
533         * input.h (UNKNOWN_LOCATION): Move definition.
534         (location_t): Undeprecate.
535         (source_locus): Remove.
536         (location_from_locus): Remove.
537         (struct location_s): Remove.
538         Remove all old-location code.
539         (input_line, input_filename): Remove.
540         * final.c (final_scan_insn): Remove old location code.
541         * diagnostic.c (diagnostic_build_prefix): Remove
542         USE_MAPPED_LOCATION test.
543         * tree.h (gimple_stmt) <locus>: Now a location_t.
544         (tree_exp) <locus>: Likewise.
545         (DECL_IS_BUILTIN): Remove old-location variant.
546         (annotate_with_file_line, annotate_with_locus): Likewise.
547         (expr_locus, set_expr_locus): Update.
548         * tree.c (build1_stat): Remove old location code.
549         (last_annotated_node): Remove.
550         (annotate_with_file_line): Remove old-location variant.
551         (annotate_with_locus): Likewise.
552         (expr_location): Remove old location code.
553         (set_expr_location): Likewise.
554         (expr_has_location): Likewise.
555         (expr_locus): Likewise.
556         (set_expr_locus): Likewise.
557         (expr_filename): Don't use location_from_locus.
558         (expr_lineno): Likewise.
559         * rtl-error.c (location_for_asm): Remove old location code.
560         * c-lex.c (cb_line_change): Remove old location code.
561         (fe_file_change): Likewise.
562         (cb_def_pragma): Likewise.
563         (c_lex_with_flags): Likewise.
564         * gengtype.c (do_typedef): Don't special-case location types.
565         (define_location_structures): Remove.
566         (main): Don't call define_location_structures.
567         * tree-pretty-print.c (dump_implicit_edges): Remove old location
568         code.
569
570 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
571
572         PR 26264
573         * builtins.def (BUILT_IN_STDARG_START): Remove.
574         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
575         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
576         * tree-inline.c (inline_forbidden_p_1): Likewise.
577         
578 2008-02-26  Richard Guenther  <rguenther@suse.de>
579
580         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
581         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
582         (lookup_decl_from_uid): Declare.
583         (remove_decl_from_map): Likewise.
584         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
585         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
586         (decl_for_uid_map): New global hashtable mapping DECL_UID
587         to the decl tree.
588         (init_ttree): Allocate it.
589         (insert_decl_to_uid_decl_map): New helper function.
590         (make_node_stat): Insert new decls into the map.
591         (copy_node_stat): Likewise.
592         (lookup_decl_from_uid): New function.
593         (remove_decl_from_map): Likewise.
594         (print_decl_for_uid_map_statistics): New helper.
595         (dump_tree_statistics): Call it.
596
597         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
598         (referenced_var_iterator): Adjust.
599         (FOR_EACH_REFERENCED_VAR): Adjust.
600         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
601         (num_referenced_vars): Adjust.
602         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
603         (first_referenced_var): Remove.
604         (end_referenced_vars_p): Likewise.
605         (next_referenced_var): Likewise.
606         (referenced_var_iterator_set): New helper function.
607         * tree-dfa.c (referenced_var_lookup): Adjust.
608         (referenced_var_check_and_insert): Likewise.
609         (remove_referenced_var): Likewise.
610         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
611         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
612         (verify_call_clobbering): Likewise.
613         (verify_memory_partitions): Likewise.
614         (init_tree_ssa): Allocate bitmap instead of hashtable for
615         referenced_vars.
616         (delete_tree_ssa): Adjust.
617         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
618         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
619         (compute_tag_properties): Likewise.
620         (set_initial_properties): Likewise.
621         (find_partition_for): Likewise.
622         (update_reference_counts): Likewise.
623         (dump_may_aliases_for): Likewise.
624         * tree-ssa-operands.c (add_virtual_operand): Likewise.
625         (add_call_clobber_ops): Likewise.
626         (add_call_read_ops): Likewise.
627         (get_asm_expr_operands): Likewise.
628         * tree-into-ssa.c (dump_decl_set): Likewise.
629         (update_ssa): Likewise.
630         * tree-sra.c (scan_function): Likewise.
631         (decide_instantiations): Likewise.
632         (scalarize_parms): Likewise.
633         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
634         (dsa_named_for): Likewise.
635         * tree-ssa-structalias.c (update_alias_info): Likewise.
636         (merge_smts_into): Likewise.
637
638 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
639
640         PR 34351
641         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
642         * c-opts.c (c_common_handle_option): Wall enables
643         Wvolatile-register-var.
644         * common.opt: Move Wvolatile-register-var to...
645         * c.opt: ...here.
646         
647 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
648
649         * common.opt (Wlarger-than=): New.
650         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
651         -Wlarger-than=.
652         * opts.c (common_handle_option): Handle -Wlarger-than=.
653         * optc-gen.awk: Likewise.
654         * opth-gen.awk: Likewise.
655         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
656         * tree-optimize.c (tree_rest_of_compilation): Likewise.
657         
658 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
659
660         * c-common.c (match_case_to_enum_1): Add appropriate
661         OPT_W* parameter to warning.
662         (c_do_switch_warnings): Likewise.
663         * c-typeck.c (warning_init): Add one more parameter following
664         'warning' function.
665         (push_init_level): Update call to warning_init.
666         (pop_init_level): Likewise.
667         (add_pending_init): Likewise.
668         (output_init_element: Likewise.
669
670 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
671
672         PR 28322
673         * toplev.c (toplev_main): If there are warnings or error, print
674         errors for ignored options.
675         * opts.c (ignored_options): New static variable.
676         (postpone_unknown_option_error): New.
677         (print_ignored_options): New.
678         (handle_option): Postpone errors for unknown -Wno-* options.
679         * opts.h (print_ignored_options): Declare.
680         
681 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
682
683         * config/mips/mips.md (loadgp_blockage, blockage): Change type
684         to "ghost".
685
686 2008-02-25  Richard Guenther  <rguenther@suse.de>
687
688         Revert:
689         2008-02-25  Richard Guenther  <rguenther@suse.de>
690
691         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
692         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
693         (lookup_decl_from_uid): Declare.
694         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
695         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
696         (decl_for_uid_map): New global hashtable mapping DECL_UID
697         to the decl tree.
698         (init_ttree): Allocate it.
699         (insert_decl_to_uid_decl_map): New helper function.
700         (make_node_stat): Insert new decls into the map.
701         (copy_node_stat): Likewise.
702         (lookup_decl_from_uid): New function.
703         (print_decl_for_uid_map_statistics): New helper.
704         (dump_tree_statistics): Call it.
705
706         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
707         (referenced_var_iterator): Adjust.
708         (FOR_EACH_REFERENCED_VAR): Adjust.
709         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
710         (num_referenced_vars): Adjust.
711         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
712         (first_referenced_var): Remove.
713         (end_referenced_vars_p): Likewise.
714         (next_referenced_var): Likewise.
715         (referenced_var_iterator_set): New helper function.
716         * tree-dfa.c (referenced_var_lookup): Adjust.
717         (referenced_var_check_and_insert): Likewise.
718         (remove_referenced_var): Likewise.
719         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
720         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
721         (verify_call_clobbering): Likewise.
722         (verify_memory_partitions): Likewise.
723         (init_tree_ssa): Allocate bitmap instead of hashtable for
724         referenced_vars.
725         (delete_tree_ssa): Adjust.
726         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
727         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
728         (compute_tag_properties): Likewise.
729         (set_initial_properties): Likewise.
730         (find_partition_for): Likewise.
731         (update_reference_counts): Likewise.
732         (dump_may_aliases_for): Likewise.
733         * tree-ssa-operands.c (add_virtual_operand): Likewise.
734         (add_call_clobber_ops): Likewise.
735         (add_call_read_ops): Likewise.
736         (get_asm_expr_operands): Likewise.
737         * tree-into-ssa.c (dump_decl_set): Likewise.
738         (update_ssa): Likewise.
739         * tree-sra.c (scan_function): Likewise.
740         (decide_instantiations): Likewise.
741         (scalarize_parms): Likewise.
742         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
743         (dsa_named_for): Likewise.
744         * tree-ssa-structalias.c (update_alias_info): Likewise.
745         (merge_smts_into): Likewise.
746
747 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
748
749         PR fortran/29549
750         * doc/invoke.texi (-fcx-limited-range): Document new option.
751         * toplev.c (process_options): Handle -fcx-fortran-rules.
752         * common.opt: Add documentation for -fcx-fortran-rules.
753
754 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
755
756         PR c/35162
757         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
758         actual behaviour and C99.
759         
760 2008-02-26  Ben Elliston  <bje@au.ibm.com>
761
762         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
763         (ASM_CPU_POWER6_SPEC): Likewise.
764         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
765         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
766         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
767
768 2008-02-25  Richard Guenther  <rguenther@suse.de>
769
770         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
771         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
772         (lookup_decl_from_uid): Declare.
773         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
774         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
775         (decl_for_uid_map): New global hashtable mapping DECL_UID
776         to the decl tree.
777         (init_ttree): Allocate it.
778         (insert_decl_to_uid_decl_map): New helper function.
779         (make_node_stat): Insert new decls into the map.
780         (copy_node_stat): Likewise.
781         (lookup_decl_from_uid): New function.
782         (print_decl_for_uid_map_statistics): New helper.
783         (dump_tree_statistics): Call it.
784
785         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
786         (referenced_var_iterator): Adjust.
787         (FOR_EACH_REFERENCED_VAR): Adjust.
788         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
789         (num_referenced_vars): Adjust.
790         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
791         (first_referenced_var): Remove.
792         (end_referenced_vars_p): Likewise.
793         (next_referenced_var): Likewise.
794         (referenced_var_iterator_set): New helper function.
795         * tree-dfa.c (referenced_var_lookup): Adjust.
796         (referenced_var_check_and_insert): Likewise.
797         (remove_referenced_var): Likewise.
798         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
799         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
800         (verify_call_clobbering): Likewise.
801         (verify_memory_partitions): Likewise.
802         (init_tree_ssa): Allocate bitmap instead of hashtable for
803         referenced_vars.
804         (delete_tree_ssa): Adjust.
805         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
806         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
807         (compute_tag_properties): Likewise.
808         (set_initial_properties): Likewise.
809         (find_partition_for): Likewise.
810         (update_reference_counts): Likewise.
811         (dump_may_aliases_for): Likewise.
812         * tree-ssa-operands.c (add_virtual_operand): Likewise.
813         (add_call_clobber_ops): Likewise.
814         (add_call_read_ops): Likewise.
815         (get_asm_expr_operands): Likewise.
816         * tree-into-ssa.c (dump_decl_set): Likewise.
817         (update_ssa): Likewise.
818         * tree-sra.c (scan_function): Likewise.
819         (decide_instantiations): Likewise.
820         (scalarize_parms): Likewise.
821         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
822         (dsa_named_for): Likewise.
823         * tree-ssa-structalias.c (update_alias_info): Likewise.
824         (merge_smts_into): Likewise.
825
826 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
827
828         PR target/35258
829         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
830         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
831         * alias.h (nonoverlapping_memrefs_p): Likewise.
832
833 2008-02-25  Jan Beulich  <jbeulich@novell.com>
834
835         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
836         * config/i386/netware-libgcc.exp: Add __bswap?i2,
837         __emultls_get_address, __emultls_register_common,
838         __floatundi?f, and _Unwind_GetIPInfo.
839         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
840         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
841         (gen_regparm_prefix): Likewise.
842         (i386_nlm_encode_section_info): Sync with
843         config/i386/winnt.c:i386_pe_encode_section_info().
844         (i386_nlm_maybe_mangle_decl_assembler_name): New.
845         i386_nlm_mangle_decl_assembler_name): New.
846         (netware_override_options): New.
847         * config/i386/netware.h (netware_override_options): Declare.
848         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
849         (i386_nlm_mangle_decl_assembler_name): Declare.
850         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
851
852 2008-02-25  Ben Elliston  <bje@au.ibm.com>
853
854         PR other/32948
855         * c-decl.c (grokdeclarator): Remove unused local variables
856         `typedef_type' and `type_as_written'.
857         * bb-reorder.c
858         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
859         unused local variable `has_hot_blocks'.
860         (fix_crossing_conditional_branches): Remove unused local variable
861         `prev_bb'.
862         
863 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
864
865         PR middle-end/19984
866         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
867         using DEF_C99_BUILTIN.
868         (BUILT_IN_NANF): Ditto.
869         (BUILT_IN_NANL): Ditto.
870
871 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
872             Revital Eres  <eres@il.ibm.com>
873
874         * modulo-sched.c (calculate_must_precede_follow): Address TODO
875         regarding the order of two dependent insns in the same row.
876
877 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
878
879         * stor-layout.c (layout_decl): Do not bump the alignment of a
880         bit-field to more than byte alignment if it is packed.
881
882 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
883
884         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
885         e300c2 and e300c3.
886
887 2008-02-24  Diego Novillo  <dnovillo@google.com>
888
889         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
890
891         PR 33738
892         * tree-vrp.c (vrp_evaluate_conditional): With
893         -Wtype-limits, emit a warning when comparing against a
894         constant outside the natural range of OP0's type.
895         * c.opt (Wtype-limits): Move ...
896         * common.opt (Wtype-limits): ... here.
897
898 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
899
900         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
901         * config/rs6000/e300c2c3.md: New file.
902         * config/rs6000/rs6000.c (processor_costs): Add new costs for
903         e300c2 and e300c3.
904         (rs6000_override_options): Add e300c2 and e300c3 cases to
905         processor_target_table. Do not allow usage of Altivec or Spe
906         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
907         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
908         * config/rs6000/rs6000.h (processor_type): Add
909         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
910         (ASM_CPU_SPEC): Add e300c2 and e300c3.
911         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
912         and ppce300c3. Include e300c2c3.md.
913
914 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
915
916         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
917         instead of TARGET_STRICT_ALIGN.
918
919 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
920
921         * explow.c (memory_address): Assert that the generated address is
922         valid.
923
924 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
925
926         PR target/25477
927         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
928         * config/darwin-ppc-ldouble-patch.def: New file.
929         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
930         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
931         SUBTARGET_INIT_BUILTINS if defined.
932         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
933         New functions.
934
935 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
936
937         PR rtl-opt/33512
938         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
939         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
940
941 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
942
943         PR pch/35027
944         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
945         file" warning condtional on -Winvalid-PCH.
946
947 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
948
949         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
950
951 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
952
953         PR target/22076
954         PR target/34256 
955         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
956         prevent reload from using MMX registers.
957         (*mov<mode>_internal): Ditto.
958         (*movv2sf_internal_rex64): Ditto.
959         (*movv2sf_internal): Ditto.
960
961 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
962
963         PR documentation/31569
964         * doc/install.texi2html: Use makeinfo --no-number-sections.
965
966 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
967
968         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
969         ensure that we can address an entire entity > 8 bytes.  Don't
970         generate reg+reg addressing for such data.
971
972 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
973
974         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
975         strings when optimizing for size, unless the target cares about
976         alignment.
977
978 2008-02-22  Tom Tromey  <tromey@redhat.com>
979
980         * regclass.c (current_pass): Remove declaration.
981
982 2008-02-22  Anatoly Sokolov <aesok@post.ru>
983
984         * config/avr/libgcc.S (__RAMPZ__): Define.
985         (__do_copy_data): Add for devices with 128KB code memory.
986
987 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
988
989         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
990         Use spe_abi.
991         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
992
993 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
994
995         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
996         GENNONACR_REGS.
997
998 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
999
1000         PR c/19999
1001         * c-typeck.c (build_binary_op): Warn about floating point
1002         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1003
1004 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1005
1006         PR target/34526
1007         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1008         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1009         add vrsave.
1010         (rs6000_override_options): Set altivec_abi as default, not override,
1011         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1012         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1013         is used; use new member spe_abi.
1014         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1015         spe_abi and altivec_abi.
1016
1017 2008-02-22  Tomas Bily  <tbily@suse.cz>
1018
1019         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1020
1021 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1022
1023         PR bootstrap/35273
1024         * config.build (build_file_translate): Set to `CMD //c' only if
1025         it works.
1026         * Makefile.in (build_file_translate): Improve comment.
1027
1028 2008-02-21  Jan Hubicka  <jh@suse.cz>
1029
1030         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1031         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1032         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1033
1034 2008-02-21  Michael Matz  <matz@suse.de>
1035
1036         PR target/35264
1037         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1038
1039 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1040
1041         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1042         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1043         as insn constraint.
1044         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1045         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1046         SSE_VEC_FLOAT_MODE_P as insn constraint.
1047         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1048         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1049         sse4a_movntdf using MODEF mode iterator.
1050         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1051         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1052         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1053         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1054         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1055         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1056         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1057
1058 2008-02-21  Richard Guenther  <rguenther@suse.de>
1059
1060         * tree.def (PAREN_EXPR): New tree code.
1061         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1062         and PAREN_EXPR.
1063         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1064         * expr.c (expand_expr_real_1): Likewise.
1065         * tree-inline.c (estimate_num_insns_1): Likewise.
1066         * tree-complex.c (expand_complex_move): Likewise.
1067         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1068         as plain x.
1069
1070 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1071
1072         PR target/35225
1073         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1074
1075 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1076
1077         PR target/35190
1078         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1079
1080         * config/sh/sh.c (find_barrier): Don't go past
1081         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1082
1083 2008-02-20  DJ Delorie  <dj@redhat.com>
1084
1085         * config/h8300/h8300.md (insv): Force source operand to be a register.
1086
1087         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1088         as a jump, not as a plain insn.
1089         
1090 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1091
1092         * doc/invoke.texi (Warning Options): Add new option
1093         -Wframe-larger-than=.
1094         (-Wframe-larger-than): Document.
1095
1096         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1097         Add declarations for new option variables.
1098
1099         * final.c (final_start_function): Check the frame size
1100         before emission and issue a Wframe-larger-than warning.
1101
1102         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1103         Add definitions for new option variables.
1104         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1105
1106         * common.opt (Wframe-larger-than=): New option.
1107
1108 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1109
1110         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1111         (<sse>_div<mode>3): Ditto.
1112         (<sse>_vmdiv<mode>3): Ditto.
1113         (<sse>_vmsqrt<mode>2): Ditto.
1114         (*smax<mode>3): Ditto.
1115         (sse5_frcz<mode>2): Ditto.
1116         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1117         as insn constraint.
1118
1119 2008-02-20  Richard Guenther  <rguenther@suse.de>
1120
1121         PR middle-end/35265
1122         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1123         be happy with INTEGRAL_TYPE_P.
1124
1125 2008-02-20  Richard Guenther  <rguenther@suse.de>
1126
1127         * fold-const.c (split_tree): Associate floatig-point expressions
1128         if flag_associative_math is set.
1129
1130 2008-02-20  Richard Guenther  <rguenther@suse.de>
1131
1132         * tree.h (fold_real_zero_addition_p): Declare.
1133         * fold-const.c (fold_real_zero_addition_p): Export.
1134         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1135         floating-point operations with zero and one.
1136
1137 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1138
1139         * doc/install.texi: Correct references to CFLAGS, replacing them
1140         with BOOT_CFLAGS.  Document flags used during bootstrap for
1141         target libraries.
1142                                 
1143 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1144
1145         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1146         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1147         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1148         insn constraint.
1149         (smin<mode>3): Ditto from similar patterns.
1150         (smax<mode>3): Ditto.
1151         (*ieee_smin<mode>3): Ditto.
1152         (*ieee_smax<mode>3): Ditto.
1153         * config/i386/sse.md (sse): New mode attribute.
1154         (mov<mode>): Macroize expander from movv4sf and movv2df using
1155         SSEMODEF2P mode iterator.
1156         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1157         SSE_VEC_FLOAT_MODE_P as insn constraint.
1158         (storent<mode>): Ditto.
1159         (storent<mode>): Macroize expander from storentsf and storentdf using
1160         MODEF mode iterator.
1161         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1162         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1163         (abs<mode>2): Ditto from similar patterns.
1164         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1165         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1166         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1167         (<sse>_vmsqrt<mode>2): Ditto.
1168         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1169         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1170         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1171         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1172         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1173         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1174         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1175         insn constraint.
1176         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1177         iterator and SSE_FLOAT_MODE_P as insn constraint.
1178         (<sse>_ucomi): Ditto from similar patterns.
1179         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1180         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1181         SSE_VEC_FLOAT_MODE_P as insn constraint.
1182         (vcond<mode>): Ditto from similar patterns.
1183         (and<mode>3, *and<mode>3): Ditto.
1184         (<sse>_nand<mode>3): Ditto.
1185         (ior<mode>3, *ior<mode>3): Ditto.
1186         (xor<mode>3, *xor<mode>3): Ditto.
1187         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1188         iterator and SSE_FLOAT_MODE_P as insn constraint.
1189         (*nand<mode>3): Ditto from similar patterns.
1190         (*ior<mode>3): Ditto.
1191         (*xor<mode>3): Ditto.
1192
1193 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1194
1195         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1196         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1197         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1198
1199 2008-02-19  Jan Hubicka  <jh@suse.cz>
1200
1201         * predict.c (tree_bb_level_predictions): Remove variable next
1202         mistakely introduced by previous commit.
1203
1204 2008-02-19  Jan Hubicka  <jh@suse.cz>
1205
1206         * predict.c (predict_paths_leading_to): Rewrite.
1207         (predict_paths_for_bb): New.
1208         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1209
1210 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1211
1212         PR bootstrap/35218
1213         * Makefile.in (build_file_translate): New.
1214         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1215         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1216         * configure.ac (build_file_translate): Substitute it.
1217         * configure: Regenerate.
1218
1219 2008-02-19  Jan Hubicka  <jh@suse.cz>
1220
1221         PR rtl-optimization/34408
1222         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1223         invalid sharing.
1224
1225 2008-02-19  Jan Hubicka  <jh@suse.cz>
1226
1227         PR middle-end/28779
1228         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1229         call_expr.
1230
1231 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1232
1233         PR Ada/35186
1234         * config/i386/i386-modes.def: Revert the last DI alignment
1235         change until Ada people can look into it.
1236
1237 2008-02-19  Nick Clifton  <nickc@redhat.com>
1238
1239         * opts.c (print_specific_help): Fix typo in --help text.
1240
1241 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1242
1243         PR target/35239
1244         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1245         32-bit inline asm without asm alternatives for host GCC < 3.0.
1246
1247 2008-02-19  Richard Guenther  <rguenther@suse.de>
1248
1249         PR tree-optimization/34989
1250         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1251         Allow propagation to INDIRECT_REF if we can simplify only.
1252
1253 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1254
1255         * c-common.c (warn_for_collisions_1): Use appropriate option when
1256         warning.
1257
1258 2008-02-19  Nick Clifton  <nickc@redhat.com>
1259
1260         PR other/31349
1261         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1262         (handle_options): Fix indentation.
1263         (print_filtered_help): If no language-specific options were
1264         displayed tell the user how to list all the options supported by
1265         the language's front-end.
1266         (print_specific_help): Fix indentation and remove duplicate line.
1267         (common_handle_option): Handle the -v option.
1268         For --help enable the display of undocumented options if the -v
1269         switch has been included on the command line.
1270         For --help= check for overlaps in the arguments between the option
1271         classes and the language names and issue a warning when they
1272         cannot be disambiguated.
1273         * c.opt (v): Pass on to the common option handler.
1274
1275 2008-02-19  Revital Eres  <eres@il.ibm.com> 
1276
1277         * modulo-sched.c (sms_schedule): Change dump message when
1278         create_ddg function fails.
1279         (try_scheduling_node_in_cycle): Rename row to cycle.
1280         (print_partial_schedule): Rename CYCLE to ROW.
1281
1282 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1283             Zdenek Dvorak  <ook@ucw.cz>
1284
1285         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1286
1287 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1288
1289         PR target/33555
1290         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1291         (*x86_movdicc_0_m1_se): Ditto.
1292
1293 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1294
1295         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1296         (CMPtype): Define as __gcc_CMPtype.
1297         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1298         (CMPtype): Define as __gcc_CMPtype.
1299
1300 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1301
1302         Support valgrind 3.3 for --enable-checking=valgrind.
1303         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1304         here.
1305         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1306         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1307         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1308         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1309         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1310         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1311         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1312         respectively.
1313         * ggc-zone.c: Similar.
1314         * ggc-page.c: Similar.
1315
1316 2008-02-19  Paul Brook  <paul@codesourcery.com>
1317
1318         PR target/35071
1319         * config/arm/ieee754-df.S: Fix do_it typo.
1320         * config/arm/ieee754-sf.S: Fix do_it typo.
1321
1322 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1323
1324         PR target/35189
1325         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1326         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1327         (OPTION_MASK_ISA_SSE_SET): Likewise.
1328         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1329         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1330         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1331         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1332         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1333         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1334         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1335         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1336         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1337         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1338         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1339         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1340         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1341         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1342         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1343         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1344         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1345         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1346         (OPTION_MASK_ISA_SSE4): Removed.
1347         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1348         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1349         -mXXX.
1350         (override_options): Don't turn on implied SSE/MMX bits in
1351         ix86_isa_flags.
1352
1353 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1354
1355         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1356         32bit host.
1357
1358 2008-02-18  Joey Ye  <joey.ye@intel.com>
1359
1360         PR middle-end/34921
1361         * tree-nested.c (insert_field_into_struct): Set type alignment
1362         to field alignment if the former is less than the latter.
1363
1364 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1365
1366         * BASE-VER: Set to 4.4.0.
1367
1368 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1369
1370         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1371         * doc/cfg.texi: Likewise.
1372         * doc/extend.texi: Likewise.
1373         * doc/gty.texi: Likewise.
1374         * doc/invoke.texi: Likewise.
1375         * doc/loop.texi: Likewise.
1376         * doc/md.texi: Likewise.
1377         * doc/passes.texi: Likewise.
1378         * doc/rtl.texi: Likewise.
1379         * doc/sourcebuild.texi: Likewise.
1380         * doc/tm.texi: Likewise.
1381         * doc/tree-ssa.texi: Likewise.
1382
1383 2008-02-17  Richard Guenther  <rguenther@suse.de>
1384
1385         PR middle-end/35227
1386         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1387         without default definition.
1388
1389 2008-02-17  Richard Guenther  <rguenther@suse.de>
1390
1391         PR tree-optimization/35231
1392         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1393         if A | B != 1.
1394
1395 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1396
1397         Revert:
1398
1399         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
1400         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1401         libgcc_cmp_return mode.
1402
1403 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1404
1405         PR c/28368
1406         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1407
1408 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1409
1410         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1411         multilibs.
1412
1413 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1414
1415         * doc/c-tree.texi: Use `@.' where appropriate.
1416         * doc/extend.texi: Likewise.
1417         * doc/install.texi: Likewise.
1418         * doc/invoke.texi: Likewise.
1419         * doc/loop.texi: Likewise.
1420         * doc/makefile.texi: Likewise.
1421         * doc/md.texi: Likewise.
1422         * doc/passes.texi: Likewise.
1423         * doc/standards.texi: Likewise.
1424         * doc/tm.texi: Likewise.
1425
1426 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1427
1428         PR middle-end/35196
1429         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1430         in entry_bb.
1431         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1432         rather than in entry_bb.
1433
1434 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1435
1436         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1437         libgcc_cmp_return mode.
1438
1439 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1440
1441         PR middle-end/35130
1442         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1443         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1444
1445 2008-02-15  Richard Guenther  <rguenther@suse.de>
1446             Zdenek Dvorak  <ook@ucw.cz>
1447
1448         PR tree-optimization/35164
1449         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1450         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1451         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1452         Only propagate addresses which do not have abnormal SSA_NAMEs
1453         in their operands.
1454
1455 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1456
1457         PR target/35088
1458         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1459
1460 2008-02-15  Jan Hubicka  <jh@suse.cz>
1461
1462         PR middle-end/35149
1463         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1464
1465 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1466
1467         PR middle-end/34621
1468         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1469         when calculating alignment_pad.
1470
1471 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1472
1473         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1474         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1475         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1476         and STACK_BOUNDARY define.
1477
1478 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1479
1480         PR preprocessor/35061
1481         * c-pragma.c (handle_pragma_pop_macro): Check that
1482         pushed_macro_table has been allocated.
1483
1484 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1485
1486         PR middle-end/35136
1487         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1488         (force_gimple_operand): Likewise.
1489         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1490         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1491         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1492         (find_interesting_uses_address): Check addressability and alignment
1493         of the base expression only after substituting bases of IVs into it.
1494
1495 2008-02-14  Michael Matz  <matz@suse.de>
1496
1497         PR target/34930
1498         * function.c (instantiate_virtual_regs_in_insn): Reload address
1499         before falling back to reloading the whole operand.
1500
1501 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1502
1503         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1504         before the first section switch note.
1505
1506 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1507
1508         * doc/bugreport.texi: Update copyright years.
1509         * doc/c-tree.texi: Likewise.
1510         * doc/cfg.texi: Likewise.
1511         * doc/cpp.texi: Likewise.
1512         * doc/cppinternals.texi: Likewise.
1513         * doc/fragments.texi: Likewise.
1514         * doc/frontends.texi: Likewise.
1515         * doc/gcc.texi: Likewise.
1516         * doc/gty.texi: Likewise.
1517         * doc/hostconfig.texi: Likewise.
1518         * doc/implement-c.texi: Likewise.
1519         * doc/libgcc.texi: Likewise.
1520         * doc/loop.texi: Likewise.
1521         * doc/makefile.texi: Likewise.
1522         * doc/options.texi: Likewise.
1523         * doc/passes.texi: Likewise.
1524         * doc/rtl.texi: Likewise.
1525         * doc/sourcebuild.texi: Likewise.
1526         * doc/standards.texi: Likewise.
1527         * doc/tree-ssa.texi: Likewise.
1528         * doc/trouble.texi: Likewise.
1529
1530         * doc/extend.texi: Use @: or add comma where appropriate.
1531         * doc/invoke.texi: Likewise.
1532         * doc/tm.texi: Likewise.
1533
1534 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1535
1536         PR target/34393
1537         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1538         to a reg.
1539
1540 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1541
1542         * doc/md.texi (clz, ctz): Add reference.
1543         * doc/rtl.texi (clz, ctz): Likewise.
1544
1545 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1546
1547         PR other/35148
1548         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1549         srcdir.
1550
1551 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1552
1553         * config/s390/s390.c (struct constant_pool): New field
1554         emit_pool_after added.
1555         (s390_mainpool_start): Set the emit_pool_after flag according
1556         to the section switch notes.
1557         (s390_mainpool_finish): Consider emit_pool_after when emitting
1558         the literal pool at the end of the function.
1559         (s390_chunkify_start): Force literal pool splits at section
1560         switch notes.
1561
1562 2008-02-13  Michael Matz  <matz@suse.de>
1563
1564         PR debug/35065
1565         * var-tracking.c (clobber_variable_part): Correctly traverse the
1566         list.
1567
1568 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1569
1570         PR 29673
1571         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1572         Add -fdump-ipa-inline.
1573         * tree-dump.c (dump_files): Remove tree-inlined dump.
1574         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
1575         
1576 2008-02-12  Richard Guenther  <rguenther@suse.de>
1577
1578         PR tree-optimization/35171
1579         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
1580         default defs.
1581
1582 2008-02-12  Richard Guenther  <rguenther@suse.de>
1583
1584         PR middle-end/35163
1585         * fold-const.c (fold_widened_comparison): Use get_unwidened in
1586         value-preserving mode.  Disallow final truncation.
1587
1588 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1589
1590         PR middle-end/35136
1591         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
1592         code from here to...
1593         (force_gimple_operand): ...here.
1594
1595 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
1596
1597         PR c++/35144
1598         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
1599         non-compatible pointers.
1600         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
1601         different FIELD_DECLs, try harder by comparing field offsets, sizes
1602         and types.
1603
1604         PR inline-asm/35160
1605         * function.c (match_asm_constraints_1): Don't replace the same input
1606         multiple times.
1607
1608 2008-02-12  Anatoly Sokolov <aesok@post.ru>
1609
1610         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
1611         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
1612         (expand_epilogue): Restore RAMPZ register.
1613         * config/avr/avr.md (RAMPZ_ADDR): New constant.
1614
1615 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
1616
1617         * config/i386/cygwin.asm: (__alloca): Correct calling
1618         convention and alignment.
1619         (__chkstk): Force 8 byte stack alignment.
1620
1621 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
1622             Richard Guenther  <rguenther@suse.de>
1623
1624         PR tree-optimization/33992
1625         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
1626         the zero we compare against.
1627
1628 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
1629
1630         PR libfortran/35063
1631         * gthr-win32.h (__gthread_mutex_destroy_function): New function
1632         to CloseHandle after unlocking to prevent accumulation of handle
1633         count.
1634
1635 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1636
1637         PR middle_end/34150
1638         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
1639         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
1640         and update LABEL_NUSES during and after reload.
1641
1642 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
1643
1644         PR middle-end/34627
1645         * combine.c (simplify_if_then_else): Make sure the comparison is
1646         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
1647
1648 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1649
1650         PR bootstrap/35051
1651         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
1652         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
1653         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
1654         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
1655         * tree.h (get_type_static_bounds): Likewise.
1656
1657 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1658
1659         * doc/invoke.texi (Option Summary, C++ Dialect Options)
1660         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1661         Make -Wfoo language annotations match what the compiler outputs.
1662
1663 2008-02-08  Sa Liu  <saliu@de.ibm.com>
1664
1665         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
1666         intrinsics spu_convts, spu_convtu, spu_convtf.
1667         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
1668
1669 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
1670
1671         * doc/extend.texi (Function Attributes) <noinline>: Mention
1672         asm ("") as method to keep calls.
1673
1674 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1675
1676         PR other/32754
1677         * doc/options.texi (Options): Replace references to opts.sh with
1678         optc-gen.awk.
1679         * opts-common.c: Likewise.
1680         * optc-gen.awk: Likewise.
1681         
1682 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1683
1684         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
1685
1686 2008-02-07  Richard Henderson  <rth@redhat.com>
1687
1688         PR rtl-opt/33410
1689         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
1690         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
1691         funny mode.
1692
1693 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
1694
1695         PR tree-optimization/35085
1696         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
1697         for operand entry oe2 in addition to operand entry oe3 in order to
1698         expose more opportunities for vectorizer sum reduction.
1699
1700 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1701
1702         PR other/35107
1703         * Makefile.in (LIBS): Remove $(GMPLIBS).
1704         (cc1-dummy, cc1): Add $(GMPLIBS).
1705
1706 2008-02-06  Jan Hubicka  <jh@suse.cz>
1707
1708         PR target/23322
1709         * i386.md (moddf_integer): Do not produce partial memory stalls for
1710         targets where it hurts.
1711
1712 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
1713
1714         PR target/35083
1715         * optabs.c (expand_float): Do not check for decimal modes when
1716         expanding unsigned integer through signed conversion.
1717
1718 2008-02-06  Nick Clifton  <nickc@redhat.com>
1719
1720         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
1721         inside the clobber with a match_operand and duplicated operand
1722         number in the constraint.
1723         (ineqbranchsi): Delete redundant comment.
1724
1725 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1726
1727         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
1728         builtin_define ("__USE_INIT_FINI__").
1729         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
1730         -msx multilibs.
1731         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
1732
1733 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1734
1735         PR documentation/30330
1736         * doc/invoke.texi (C++ Dialect Options)
1737         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1738         For each warning option -Wfoo that allows -Wno-foo, ensure both
1739         -Wfoo and -Wno-foo are listed in the option index.  Fix index
1740         entry of -Wswitch-default, index -Wnormalized= including the
1741         `=', and -Wlarger-than-@var{len} including @var{len}.
1742
1743 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1744
1745         * config/i386/i386.md (floatunssisf2): Use
1746         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
1747         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
1748         Macroize expander using MODEF mode iterator.
1749
1750 2008-02-05  Diego Novillo  <dnovillo@google.com>
1751
1752         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
1753
1754         PR 33738
1755         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
1756
1757 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1758
1759         PR other/35070
1760         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
1761
1762 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
1763
1764         PR target/35084
1765         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
1766         to indicate if a message should be generated.
1767         (init_cumulative_args): Updated.
1768         (function_value_32): Likewise.
1769
1770 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
1771
1772         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
1773
1774 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1775
1776         PR target/35083
1777         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
1778         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
1779
1780 2008-02-04  Diego Novillo  <dnovillo@google.com>
1781
1782         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
1783
1784         PR 33738
1785         * tree-vrp.c (vrp_evaluate_conditional): With
1786         -Wtype-limits, emit a warning when comparing against a
1787         constant outside the natural range of OP0's type.
1788
1789 2008-02-04  Richard Guenther  <rguenther@suse.de>
1790
1791         PR middle-end/33631
1792         * expr.c (count_type_elements): Give for unions instead of
1793         guessing.
1794
1795 2008-02-04  Richard Guenther  <rguenther@suse.de>
1796
1797         PR middle-end/35043
1798         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
1799         to TYPE_DOMAINs base type instead of using bitsizetype here.
1800
1801 2008-02-03  Jason Merrill  <jason@redhat.com>
1802
1803         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
1804
1805 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1806
1807         PR other/29972
1808         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
1809         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
1810         (RS/6000 and PowerPC Options): Fix typos and markup.
1811         * doc/passes.texi (Tree-SSA passes): Likewise.
1812
1813 2008-02-02  Michael Matz  <matz@suse.de>
1814
1815         PR target/35045
1816         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
1817         from record_last_reg_set_info.
1818         (record_last_reg_set_info): Take an RTX argument, iterate over all
1819         constituent hardregs.
1820         (record_last_set_info, record_opr_changes): Change calls to
1821         new signature or to record_last_reg_set_info_regno.
1822
1823 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1824
1825         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
1826
1827 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
1828
1829         PR rtl-optimization/34773
1830         * reg-notes.def (EQUAL): Mention significance of combination of
1831         REG_EQUAL and REG_RETVAL.
1832         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
1833         insn that has a REG_RETVAL.
1834
1835 2008-02-01  Roger Sayle  <roger@eyesopen.com>
1836
1837         PR bootstrap/33781
1838         * configure.ac (--enable-fixed-point): Disable unless explicitly
1839         requested on IRIX.
1840         * configure: Regenerate.
1841
1842 2008-02-01  Richard Guenther  <rguenther@suse.de>
1843
1844         PR other/35042
1845         * invoke.texi (-finline-limit): Remove no longer true parts
1846         of the documentation.  Note that there is no default value.
1847
1848 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
1849             Mark Mitchell  <mark@codesourcery.com>
1850             Ben Elliston  <bje@au.ibm.com>
1851
1852         PR c/29326
1853         * doc/extend.texi (Other Builtins): Document.
1854
1855 2008-01-31  Tom Browder <tom.browder@gmail.com>
1856
1857         * doc/c-tree.texi (Types): Fix grammar.
1858         (Expression trees): Ditto.
1859         * doc/passes.texi (Tree-SSA passes): Ditto.
1860         
1861         * doc/configterms.texi (Configure Terms): Fix typo.
1862         * doc/cpp.texi (Common Predefined Macros): Ditto.
1863         * doc/md.texi (Machine Constraints): Ditto.
1864         
1865         * doc/makefile.texi (Makefile): Add comma.
1866
1867 2008-01-31  Tom Browder  <tom.browder@gmail.com>
1868             Gerald Pfeifer  <gerald@pfeifer.com>
1869         
1870         * doc/sourcebuild.texi (Front End): Remove references to CVS
1871         and CVSROOT/modules.
1872         (Texinfo Manuals): Replace reference to CVS by one to SVN.
1873         (Back End): Remove reference to CVS.
1874
1875 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1876
1877         PR target/34900
1878         * config/mips/mips.c (gen_load_const_gp): New function, taking a
1879         comment from...
1880         (mips16_gp_pseudo_reg): ...here.
1881         * config/mips/mips.md (load_const_gp): Replace with...
1882         (load_const_gp_<mode>): ...this :P-based insn.
1883
1884 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1885
1886         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
1887         options. Minor fixes.
1888         (-std): Move reference to standards closer to where language
1889         standards are first mentioned.
1890         
1891 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1892
1893         PR rtl-optimization/34995
1894         * reload.c (alternative_allows_const_pool_ref): Take an rtx
1895         parameter and return a bool.  If the rtx parameter is nonnull,
1896         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
1897         (find_reloads): Update call accordingly.  Pass the new operand
1898         if it needed no address reloads, otherwise pass null.
1899
1900 2008-01-30  Richard Henderson  <rth@redhat.com>
1901
1902         PR c/34993
1903         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
1904         for unbounded arrays.
1905
1906 2008-01-30  Silvius Rus  <rus@google.com>
1907
1908         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
1909
1910 2008-01-30  Jan Hubicka  <jh@suse.cz>
1911
1912         PR target/34982
1913         * i386.c (init_cumulative_args): Use real function declaration when
1914         calling locally.
1915
1916 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1917
1918         PR rtl-optimization/34998
1919         * global.c (build_insn_chain): Treat non-subreg_lowpart
1920         SUBREGs of pseudos as clobbering all the words covered by the
1921         SUBREG, not just all the bytes.
1922         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
1923         original df_ref rather than an extract parameter.
1924         (global_conflicts): Update call accordingly.
1925
1926 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1927
1928         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
1929         the overflow check to make it easier to read.
1930         (__fixtfdi): Change the type of the ll member in union
1931         long_double to UDItype_x.
1932
1933 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
1934
1935         PR middle-end/34969
1936         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
1937         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
1938         * tree-inline.c (fold_marked_statements): Call
1939         cgraph_update_edges_for_call_stmt if folding a call statement.
1940         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
1941         debug_generic_stmt calls, reset it back afterwards.
1942
1943         PR c/35017
1944         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
1945         static decls.
1946         * c-typeck.c (build_external_ref): Don't pedwarn about
1947         static vars in current function's scope.
1948
1949 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
1950
1951         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
1952
1953 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
1954
1955         PR c/35002
1956         * ipa-struct-reorg.c: Fix spelling.
1957         * params.def: Ditto.
1958
1959 2008-01-29  Richard Guenther  <rguenther@suse.de>
1960
1961         PR middle-end/35006
1962         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
1963         field.
1964         * tree-inline.c (remap_type): Increment remapping_type_depth
1965         around remapping types.
1966         (copy_body_r): Only add referenced variables if they are referenced
1967         from code, not types.
1968
1969 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
1970
1971         PR c++/34055
1972         PR c++/34103
1973         PR c++/34219
1974         PR c++/34606
1975         PR c++/34753
1976         PR c++/34754
1977         PR c++/34755
1978         PR c++/34919
1979         PR c++/34961
1980         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
1981         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
1982
1983 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
1984
1985         PR target/34412
1986         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
1987         pointer for tiny stack.
1988
1989 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1990
1991         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
1992
1993 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1994
1995         * config/vx-common.h: Fix typo in comment.
1996
1997 2008-01-28  Ian Lance Taylor  <iant@google.com>
1998
1999         PR c++/34862
2000         PR c++/33407
2001         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2002         coalesce pointers if they have different DECL_NO_TBAA_P values.
2003         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2004         between variables with different DECL_NO_TBAA_P values.
2005
2006 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2007
2008         PR 31535
2009         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2010         are not legitimate small data references on SPE targets.
2011
2012 2008-01-28  David Daney  <ddaney@avtrex.com>
2013
2014         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2015
2016 2008-01-28  David Daney  <ddaney@avtrex.com>
2017
2018         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2019
2020 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2021
2022         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2023         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2024         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2025         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2026         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2027         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2028         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2029         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2030
2031 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2032
2033         * basic-block.h (condjump_equiv_p): Fix comment.
2034
2035 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2036
2037         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2038         print_generic_stmt_indented): Fix comment.
2039
2040 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2041
2042         * configure.ac (__stack_chk_fail): Add detecion for availability
2043         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2044         * configure: Regenerate.
2045
2046 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2047
2048         PR middle-end/34688
2049         * final.c (output_addr_const): Handle TRUNCATE.
2050
2051 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2052
2053         PR target/34711
2054         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2055         (zero_cost, infinite_cost): New constants.
2056         (struct cost_pair): Change type of cost to comp_cost.
2057         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2058         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2059         New functions.
2060         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2061         split_address_cost, ptr_difference_cost, difference_cost,
2062         get_computation_cost_at, get_computation_cost,
2063         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2064         determine_use_iv_cost_condition, determine_use_iv_costs,
2065         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2066         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2067         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2068         Change type of cost to comp_cost.
2069         (determine_iv_cost): Increase cost of non-original ivs, instead
2070         of decreasing the cost of original ones.
2071         (get_address_cost): Indicate the complexity of the addressing mode 
2072         in comp_cost.
2073         (try_add_cand_for): Prefer using ivs not specific to some object.
2074         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2075
2076 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2077             Janis Johnson  <janis187@us.ibm.com>
2078
2079         PR target/34814
2080         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2081         (TARGET_INSTANTIATE_DECLS): Likewise.
2082         * target.h (expand_to_rtl_hook): New target hook.
2083         (instantiate_decls): Likewise.
2084         * function.c (instantiate_decl): Make non-static.  Rename to...
2085         (instantiate_decl_rtl): ... this.
2086         (instantiate_expr): Use instantiate_decl_rtl.
2087         (instantiate_decls_1): Likewise.
2088         (instantiate_decls): Likewise.
2089         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2090         * function.h (instantiate_decl_rtl): Add prototype.
2091         * cfgexpand.c (target.h): New include.
2092         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2093         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2094         (TARGET_INSTANTIATE_DECLS): Likewise.
2095         (TARGET_INITIALIZER): New target hooks added.
2096         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2097         New prototype.
2098         * config/rs6000/rs6000.c (tree-flow.h): New include.
2099         (machine_function): Add sdmode_stack_slot field.
2100         (rs6000_alloc_sdmode_stack_slot): New function.
2101         (rs6000_instantiate_decls): Likewise.
2102         (rs6000_secondary_memory_needed_rtx): Likewise.
2103         (rs6000_check_sdmode): Likewise.
2104         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2105         (TARGET_INSTANTIATE_DECLS): Likewise.
2106         (rs6000_hard_regno_mode_ok): Allow SDmode.
2107         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2108         (rs6000_emit_move): Handle SDmode.
2109         (function_arg_advance): Likewise.
2110         (function_arg): Likewise.
2111         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2112         SDmode var args for 32-bit compiles.
2113         (rs6000_secondary_reload_class): Handle SDmode.
2114         (rs6000_output_function_epilogue): Likewise.
2115         (rs6000_function_value): Simplify if statement.
2116         (rs6000_libcall_value): Likewise.
2117         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2118         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2119         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2120         (movsd_hardfloat): New define_insn.
2121         (movsd_softfloat): Likewise.
2122         (movsd_store): Likewise.
2123         (movsd_load): Likewise.
2124         (extendsddd2): Likewise.
2125         (extendsdtd2): Likewise.
2126         (truncddsd2): Likewise.
2127         (movdd_hardfloat64): Fixup comment.
2128         (UNSPEC_MOVSD_LOAD): New constant.
2129         (UNSPEC_MOVSD_STORE): Likewise.
2130
2131 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2132
2133         PR c++/34965
2134         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2135         TRUTH_XOR_EXPR.
2136         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2137         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2138         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2139         and TRUTH_XOR_EXPR.
2140
2141 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2142
2143         PR target/34794
2144         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2145         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2146         __LONGDOUBLE128 too.
2147         * config/rs6000/aix61.h: New file.
2148
2149 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2150
2151         PR rtl-optimization/34959
2152         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2153         popcount and parity rtxes the same mode as their operand.
2154         Truncate or extend the result to the return value's mode
2155         if necessary.
2156
2157 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2158
2159         PR target/34981
2160         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2161         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2162         to GOT_VERSION_REGNUM.
2163         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2164         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2165         * config/mips/mips.c (mips_emit_call_insn): New function.
2166         (mips_call_tls_get_addr): Call mips_expand_call directly.
2167         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2168         emit_call_insn.
2169         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2170         (mips_expand_call): Update the call to mips16_build_call_stub
2171         accordingly and a remove redundant condition.  Assert that MIPS16
2172         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2173         the call insn.
2174         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2175         TARGET_USE_GOT.
2176         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2177         (mips_avoid_hazard): Remove hazard_set handling.
2178         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2179         (UNSPEC_RESTORE_GP): ...this.
2180         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2181         (FAKE_CALL_REGNO): Rename to...
2182         (GOT_VERSION_REGNUM): ...this.
2183         (type): Add "ghost" value.  Add an associated insn reservation.
2184         (hazard_set): Remove.
2185         (exception_receiver): Rename to...
2186         (restore_gp): ...this and update the unspec identifier accordingly.
2187         (exception_receiver, nonlocal_got_receiver): New expanders.
2188         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2189         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2190         (set_got_version, update_got_version): New patterns.
2191
2192 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2193
2194         PR target/34970
2195         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2196
2197 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2198
2199         PR other/31955
2200         * doc/install.texi2html: Generate gcc-vers.texi.
2201
2202 2008-01-25  DJ Delorie  <dj@redhat.com>
2203
2204         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2205
2206 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2207
2208         * config/c4x: Remove directory.
2209         * config.gcc (crx-*, mt-*): Mark obsolete.
2210         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2211         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2212         sh-*-rtemscoff*): Remove cases.
2213         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2214         * real.c (encode_c4x_single, decode_c4x_single,
2215         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2216         c4x_extended_format): Remove.
2217         * real.h (c4x_single_format, c4x_extended_format): Remove.
2218         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2219         on C4x.
2220         (Pragmas): Remove comment about c4x pragmas.
2221         * doc/install.texi (c4x): Remove target-specific instructions.
2222         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2223         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2224         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2225         refer to C4x source files as examples.
2226         (C4X_FLOAT_FORMAT): Remove documentation.
2227
2228 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2229
2230         * config/bfin/bfin.c (override_options): Reorder tests so that
2231         flag_pic gets enabled for -msep-data.
2232
2233 2008-01-25  Richard Guenther  <rguenther@suse.de>
2234
2235         PR middle-end/32244
2236         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2237         to its bitfield precision if required.
2238
2239 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2240
2241         PR middle-end/33880
2242         * tree-nested.c (walk_omp_for): New function.
2243         (convert_nonlocal_reference, convert_local_reference): Call
2244         walk_omp_for on OMP_FOR.
2245         (convert_call_expr): Call walk_body on OMP_FOR's
2246         OMP_FOR_PRE_INIT_BODY.
2247
2248 2008-01-25  Richard Guenther  <rguenther@suse.de>
2249
2250         PR tree-optimization/34966
2251         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2252         default defs and PHI_NODEs we have to insert after the
2253         defining statement.
2254
2255 2008-01-24  Nick Clifton  <nickc@redhat.com>
2256
2257         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2258         Provide a default definition.
2259         (LIBGCC2_UNITS_PER_WORD): Likewise.
2260
2261         * config/stormy16/stormy16.c: Include df.h for the prototype
2262         for df_regs_ever_live_p.
2263         (xstormy16_expand_builtin_va_start): Convert the stack offset
2264         into a component_ref and then use POINTER_PLUS_EXPR to add it
2265         to the incoming_virtual_args_rtx.
2266         (xstormy16_gimplify_va_arg_expr): Rename to
2267         xstormy16_gimplify_va_arg_expr.
2268         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2269         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2270         xstormy16_gimplify_va_arg_expr.
2271         Fix up some formatting issues.
2272
2273         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2274         Move to predicates.md.
2275         (xs_hi_general_operand): Likewise.
2276         (xs_hi_nonmemory_operand): Likewise.
2277         * config/stormy16/predicates.md:
2278         (xstormy16_carry_plus_operand): New predicate.
2279         (xs_hi_general_operand): New predicate.
2280         (xs_hi_nonmemory_operand): New predicate.
2281         * config/stormy16/stormy16-protos.h:
2282         (xstormy16_carry_plus_operand): Delete prototype.
2283         (xs_hi_general_operand): Likewise.
2284         (xs_hi_nonmemory_operand): Likewise.
2285
2286         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2287         modifiers as they are no longer needed and they can trigger
2288         reload spill failures.
2289
2290         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2291         with a match_operand in order to help reload.
2292
2293         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2294         constraint with 'e' for the 8th alternative as this version of
2295         the mov.w instruction only accepts the lower 8 registers.
2296
2297 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2298
2299         PR target/34856
2300         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2301         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2302         vector elements.
2303
2304 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2305
2306         PR middle-end/33333
2307         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2308
2309 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2310
2311         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2312         New functions.
2313         (remove_structure): Update allocations list before removing structure.
2314         
2315 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2316
2317         * ipa-struct-reorg.c (is_safe_cond_expr, 
2318         create_new_stmts_for_cond_expr): Use integer_zerop function,
2319         that recognize not only zero-pointer, but zero-integer too.
2320
2321 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2322
2323         PR other/22232
2324         * fixproto: Escape "." in sed expression that strips leading "./".
2325
2326 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2327
2328         PR driver/34904
2329         * gcc.c (SWITCH_OK): Removed.
2330         (SWITCH_LIVE): Changed to bit.
2331         (SWITCH_FALSE): Likewise.
2332         (SWITCH_IGNORE): Likewise.
2333         (switchstr): Change live_cond to unsigned int.
2334         (process_command): Replace SWITCH_OK with 0.
2335         (do_self_spec): Likewise.
2336         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2337         (give_switch): Likewise.
2338         (used_arg): Likewise.
2339         (do_spec_1): Set the SWITCH_IGNORE bit.
2340         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2341         bits.  Set the SWITCH_LIVE bit.
2342
2343 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2344
2345         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2346
2347 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2348
2349         PR tree-optimization/34472
2350         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2351         parameter to a "bool *" and set *DATA to false if there is
2352         an unsafe access.  Do not delete the structure here.
2353         (check_cond_exprs): Delete it here instead.
2354         (check_cond_exprs, exclude_cold_structs): Do not increase
2355         I when removing a structure.
2356
2357 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2358
2359         PR target/34856
2360         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2361         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2362
2363 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2364
2365         PR middle-end/34934
2366         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2367         a fixed vector for stack.
2368
2369 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2370
2371         PR c++/25701
2372         * doc/gcc.texi (Software development): Add a direntry for g++.
2373         
2374 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2375
2376         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2377         stale and straggling -fforce-addr comments above.
2378
2379         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2380         define.
2381         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2382         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2383
2384 2008-01-23  Michael Matz  <matz@suse.de>
2385
2386         PR debug/34895
2387         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2388         gen_type_die.
2389
2390 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2391
2392         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2393         malloc result type.
2394
2395 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2396
2397         * config/avr/avr.c (avr_current_arch): New variable.
2398         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2399         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2400         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2401         (avr_override_options): Init 'avr_current_arch'. 
2402         (base_arch_s): Move from here...
2403         * config/avr/avr.h (base_arch_s): ... here. Add new members 
2404         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
2405         'mega' to 'have_jmp_call'.
2406         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
2407         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2408         macros.
2409         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
2410         architectures.
2411         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
2412         MULTILIB_MATCHES): (Ditto.).
2413
2414 2008-01-23  Richard Guenther  <rguenther@suse.de>
2415
2416         PR middle-end/31529
2417         * cgraphunit.c (cgraph_reset_node): Always mark the node
2418         not reachable if it is not queued already.
2419
2420 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2421
2422         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2423         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2424         (cputype_selected): New static variable.
2425         (bfin_handle_option): Set it if -mcpu is used.
2426         (override_option): Select default set of workarounds if no cpu type
2427         selected on the command line.
2428         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2429
2430         From  Michael Frysinger  <michael.frysinger@analog.com>
2431         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2432         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2433
2434         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2435         for bf547, bf523, bf524, and bf526.
2436         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2437         bf526.
2438         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2439         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2440         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2441         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2442         * doc/invoke.texi (Blackfin Options): Document that
2443         -mcpu now accept bf547, bf523, bf524, and bf526.
2444
2445 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2446
2447         PR rtl-optimization/34628
2448         * combine.c (try_combine): Stop and undo after the first combination
2449         if an autoincrement side-effect on the first insn has effectively
2450         been lost.
2451
2452 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2453
2454         PR target/34529
2455         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2456         Offset addresses are not valid for Altivec or paired float modes.
2457
2458 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2459
2460         PR c++/34607
2461         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2462         if DECL_INITIAL (decl) is error_mark_node.
2463
2464         PR c++/34914
2465         * c-common.c (handle_vector_size_attribute): Only allow
2466         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2467         the same way as pointer, array etc. types.
2468         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2469
2470         PR c++/34917
2471         * tree.c (build_type_attribute_qual_variant): Call
2472         build_qualified_type if attributes are equal, but quals are not.
2473
2474 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2475
2476         PR 32102
2477         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2478         * flags.h (warn_strict_aliasing): Remove.
2479         (warn_strict_overflow): Remove.
2480         * opts.c (warn_strict_aliasing): Remove.
2481         (warn_strict_overflow): Remove.
2482         * c-opts.c (c_common_handle_option): -Wall only sets
2483         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2484         (c_common_post_options): Give default values to -Wstrict-aliasing
2485         and -Wstrict-overflow if they are uninitialized.
2486         * common.opt (Wstrict-aliasing): Specify Var and Init.
2487         (Wstrict-overflow): Likewise.
2488
2489 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2490
2491         PR rtl-optimization/26854
2492         PR rtl-optimization/34400
2493         PR rtl-optimization/34884
2494         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2495         DF_RD->gen.
2496         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2497         (df_rd_bb_info.expanded_lr_out): Deleted
2498         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2499         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2500         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2501         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2502         Removed code to allocate, initialize or free expanded_lr_out.
2503         (df_rd_bb_local_compute_process_def): Restructured to make more
2504         understandable.
2505         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2506         sets if the sets are being trimmed.
2507
2508 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2509
2510         PR bootstrap/32287
2511         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2512         (as_vers): Likewise.
2513         * configure: Regenerated.
2514
2515 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2516
2517         PR middle-end/33092
2518         * tree-pass.h (pass_build_alias): New pass.
2519         * tree-ssa-alias.c (gate_build_alias): New.
2520         (pass_build_alias): New.
2521         * passes.c (init_optimization_passes): Add pass_build_alias after
2522         pass_create_structure_vars.
2523
2524 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2525
2526         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2527         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2528         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2529         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2530         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2531         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2532         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2533         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2534         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2535         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2536         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2537         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2538         * config/s390/s390.md (FP_ALL): New mode iterator.
2539         (_d): New mode attribute.
2540         ("*signbit<mode>2>"): Changed mode of first operand.
2541         ("isinf<mode>2"): Changed mode of first operand.
2542         ("*TDC_insn"): Adaptation for DFP modes.
2543
2544 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2545
2546         * tree.c (check_qualified_type): Improve function description.
2547
2548 2008-01-21  Jason Merrill  <jason@redhat.com>
2549
2550         PR c++/34196
2551         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2552         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2553         if it is set.
2554
2555 2008-01-21  DJ Delorie  <dj@redhat.com>
2556
2557         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2558         return zero.
2559
2560 2008-01-21  Richard Guenther  <rguenther@suse.de>
2561
2562         PR middle-end/34856
2563         * tree-cfg.c (verify_expr): Allow all invariant expressions
2564         instead of just constant class ones as reference argument.
2565         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2566         like any other constant.
2567         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2568
2569 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2570
2571         * regmove.c (fixup_match_1): Update call crossed frequencies.
2572
2573 2008-01-21  Richard Guenther  <rguenther@suse.de>
2574
2575         PR c/34885
2576         * tree-inline.c (setup_one_parameter): Deal with mismatched
2577         types using a VIEW_CONVERT_EXPR.
2578
2579 2008-01-21  Alon Dayan  <alond@il.ibm.com>
2580             Olga Golovanevsky  <olga@il.ibm.com>
2581         
2582         PR tree-optimization/34701
2583         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
2584         when the structure size is not a power of 2.
2585
2586 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
2587
2588         * doc/install.texi: Add doc for --enable-checking=df.
2589         
2590 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2591
2592         PR rtl-optimization/34808
2593         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
2594
2595 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2596
2597         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
2598         input.
2599
2600 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2601
2602         PR rtl-optimization/26854
2603         PR rtl-optimization/34400
2604         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
2605         DF_RD->gen.
2606         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
2607         (df_rd_bb_info.expanded_lr_out): New.
2608         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
2609         * loop_iv.c (iv_analysis_loop_init): Ditto.
2610         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2611         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2612         Added code to allocate, initialize or free expanded_lr_out.
2613         (df_rd_bb_local_compute_process_def): Restructured to make
2614         more understandable.
2615         (df_rd_confluence_n): Add code to do nothing with fake edges and
2616         code to no apply invalidate_by_call sets if the sets are being trimmed.
2617         (df_lr_local_finalize): Renamed to df_lr_finalize.
2618         (df_live_local_finalize): Renamed to df_live_finalize.
2619
2620 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2621
2622         PR target/34831
2623         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
2624         deciding whether to use reciprocal instructions.
2625
2626 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
2627
2628         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
2629         dwarf2out_note_section_used if cold_text_section is NULL.
2630
2631 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
2632
2633         PR gcov-profile/34610
2634         * tree-cfg.c (make_edges): Mark both outgoing edges from
2635         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
2636         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
2637         from OMP_FOR and OMP_CONTINUE outgoing edges.
2638
2639         * tree-profile.c (tree_profiling): Return early if
2640         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
2641         at the end.
2642         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
2643         from cfun to child_cfun.
2644         * function.h (struct function): Add after_tree_profile bit.
2645
2646 2008-01-19 Anatoly Sokolov <aesok@post.ru>
2647
2648         * config/avr/avr.S (_exit): Disable interrupt.
2649
2650 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
2651             Steven Bosscher  <stevenb.gcc@gmail.com>
2652
2653         PR rtl-optimization/26854
2654         PR rtl-optimization/34400
2655         * df-problems.c (df_live_scratch): New scratch bitmap.
2656         (df_live_alloc): Allocate df_live_scratch when doing df_live.
2657         (df_live_reset): Clear the proper bitmaps.
2658         (df_live_bb_local_compute): Only process the artificial defs once
2659         since the order is not important.
2660         (df_live_init): Init the df_live sets only with the variables
2661         found live by df_lr.
2662         (df_live_transfer_function): Use the df_lr sets to prune the
2663         df_live sets as they are being computed.  
2664         (df_live_free): Free df_live_scratch.
2665
2666 2008-01-18  Ian Lance Taylor  <iant@google.com>
2667
2668         * common.opt: Add fmerge-debug-strings.
2669         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
2670         flag_merge_debug_strings rather than flag_merge_constants.
2671         * doc/invoke.texi (Option Summary): Mention
2672         -fmerge-debug-strings.
2673         (Debugging Options): Document -fmerge-debug-strings.
2674
2675 2008-01-18  Ian Lance Taylor  <iant@google.com>
2676
2677         PR c++/33407
2678         * tree.h (DECL_IS_OPERATOR_NEW): Define.
2679         (struct tree_function_decl): Add new field operator_new_flag.
2680         * tree-inline.c (expand_call_inline): When inlining a call to
2681         operator new, force the return value to go into a variable, and
2682         set DECL_NO_TBAA_P on that variable.
2683         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
2684
2685 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
2686
2687         PR debug/34484
2688         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
2689         DWARF2_DEBUGGING_INFO.
2690         (dwarf2out_note_section_used): Ditto.  Add prototype.
2691         (have_multiple_function_sections, text_section_used,
2692         cold_text_section_used, *cold_text_sections): Move declarations
2693         before their uses.
2694
2695 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
2696
2697         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
2698         field and add signal_ra.
2699         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
2700         assignments to frame state pc.  Move end of stack check after
2701         MD_FALLBACK_FRAME_STATE_FOR.
2702         (uw_update_context_1): Use frame state signal_regs if set, instead
2703         of checking signal_frame flag.
2704         (uw_update_context): Use frame state signal_ra if set.
2705         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
2706         * config/xtensa/linux-unwind.h: New file.
2707
2708 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
2709
2710         * modulo-sched.c (get_sched_window): Fix comment typo.
2711
2712 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
2713
2714         PR tree-optimization/34648
2715         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
2716
2717 2008-01-17  Anatoly Sokolov <aesok@post.ru>
2718
2719         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
2720         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
2721
2722 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
2723
2724         PR rtl-optimization/34400
2725         * df-core.c (df_worklist_dataflow_overeager,
2726         df_worklist_dataflow_doublequeue): New functions.
2727         (df_worklist_dataflow): Two different worklist solvers.
2728         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
2729         New param.
2730
2731 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2732
2733         PR testsuite/34821
2734         * doc/invoke.texi: Document the dependence on pthread for fopenmp
2735         and ftree-parallelize-loops.
2736
2737 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
2738
2739         PR rtl-optimization/34826
2740         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
2741
2742 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2743
2744         * global.c (find_reg): Mark the eh regs as used if necessary.
2745         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
2746         * ra.h (struct allocno): no_eh_reg field added.  Changed
2747         no_stack_reg type to bitfield.
2748
2749 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
2750
2751         * tree.c (substitute_in_expr): Add missing 'break'.
2752
2753 2008-01-17  Richard Guenther  <rguenther@suse.de>
2754
2755         PR tree-optimization/34825
2756         * tree-ssa-math-opts.c (is_division_by): Do not recognize
2757         x / x as division to handle.
2758
2759 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2760
2761         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
2762         "-pthread" is specified.
2763         * pa-hpux11.h (LIB_SPEC): Likewise.
2764
2765 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
2766             Peter Bergner  <bergner@vnet.ibm.com>
2767
2768         PR rtl-optimization/33796
2769         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
2770
2771 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2772
2773         PR libgfortran/34699
2774         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
2775         static links.
2776         * pa-hpux10.h (LINK_SPEC): Likewise.
2777         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
2778
2779 2008-01-16  Richard Guenther  <rguenther@suse.de>
2780
2781         PR middle-end/32628
2782         * fold-const.c (fold_convert_const_int_from_int): Do not
2783         set overflow if that occured only because of a sign extension
2784         change when converting from/to a sizetype with the same
2785         precision and signedness.
2786
2787 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2788
2789         PR debug/34249
2790         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
2791         location address to the correct place.  Update copyright year.
2792
2793 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2794
2795         * lambda-code.c (lambda_transform_legal_p): Handle the case of
2796         no dependences in the dependence_relations vector.
2797
2798 2008-01-16  Jan Hubicka  <jh@suse.cz>
2799
2800         PR rtl-optimization/31396
2801         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
2802         * cfg.c (dump_reg_info): Print it.
2803         * regs.h (struct reg_info_t): add freq_calls_crossed.
2804         (REG_FREQ_CALLS_CROSSED): New macro.
2805         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
2806         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
2807         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2808         regmove_optimize): Update call crossed frequencies.
2809         * local-alloc.c (struct qty): Add freq_calls_crossed.
2810         (alloc_qty): Copute freq_calls_crossed.
2811         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
2812         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
2813         * ra.h (struct allocno): Add freq_calls_crossed.
2814
2815 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2816
2817         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
2818         libgomp when compiling with ftree-parallelize-loops.
2819         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
2820
2821 2008-01-16  Richard Guenther  <rguenther@suse.de>
2822
2823         PR tree-optimization/34769
2824         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
2825         * tree.c (int_cst_value): Instead make this function more
2826         permissive in what it accepts as valid input.  Document this
2827         function always sign-extends the value.
2828
2829 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
2830             Richard Guenther  <rguenther@suse.de>
2831
2832         PR c/34668
2833         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
2834         (gimple_fold_indirect_ref_rhs): ... this.
2835         (gimple_fold_indirect_ref): New function with foldings
2836         that preserve lvalueness.
2837         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
2838         * tree-flow.h (gimple_fold_indirect_ref): Declare.
2839         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
2840         to fold an INDIRECT_REF, fall back to the old use of
2841         fold_indirect_ref_1.
2842
2843 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2844
2845         * tree-data-ref.c (subscript_dependence_tester_1): Call 
2846         free_conflict_function.
2847         (compute_self_dependence): Same.
2848
2849 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2850
2851         PR debug/34249
2852         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
2853         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
2854         function global.
2855         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
2856         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
2857         for DWARF2_UNWIND_INFO targets.
2858
2859 2008-01-16  Richard Guenther  <rguenther@suse.de>
2860
2861         PR c/34768
2862         * c-typeck.c (common_pointer_type): Do not merge inconsistent
2863         type qualifiers for function types.
2864
2865 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
2866
2867         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
2868         loop_iterator li from previous commit.
2869
2870 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2871
2872         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
2873
2874 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2875
2876         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
2877         (parallelize_loops): Don't parallelize irreducible components.
2878
2879 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2880
2881         PR c++/24924
2882         * c-opts (c_common_post_options): Do not enable CPP
2883         flag_pedantic_errors by default.
2884         
2885 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
2886
2887         PR rtl-optimization/31944
2888         * cse.c (remove_pseudo_from_table): New function.
2889         (merge_equiv_classes): Use above function to remove pseudo-registers.
2890         (invalidate): Likewise.
2891
2892 2008-01-13  Richard Guenther  <rguenther@suse.de>
2893
2894         PR middle-end/34601
2895         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
2896         instead of TYPE_MODE to deal with calls from expand_one_error_var.
2897
2898 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
2899
2900         * gcse.c (cprop_jump): Call validate_unshare_change instead of
2901         validate_change to unshare the source of the PC set.
2902
2903 2008-01-12  Jan Hubicka  <jh@suse.cz>
2904
2905         PR middle-end/32135
2906         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
2907         references above array bounds.  This might trigger bounds checks for
2908         pointers to arrays.
2909
2910 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2911
2912         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
2913         new_replaceable_dependencies.
2914
2915 2008-01-12  Doug Kwan  <dougkwan@google.com>
2916
2917         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
2918         instead of OPT_Wreturn_type in warning due to ignored return type
2919         qualifiers.
2920         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
2921         options included in -Wextra.
2922         * c.opt: New option -Wignored_qualifiers.
2923         * doc/invoke.texi (Warning Options, -Wextra): Add new option
2924         -Wignore_qualifiers.
2925         (-Wignored-qualifiers): Document.
2926         (-Wreturn-type): Remove description of functionality now handled
2927         by -Wignored-qualifiers.
2928
2929 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
2930
2931         PR ada/33788
2932         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
2933         NOP_EXPR if it is between integral types with the same precision.
2934
2935 2008-01-12  Jan Hubicka  <jh@suse.cz>
2936
2937         PR other/28023
2938         * invoke.texi (max-inline-recursive-depth): Fix default value.
2939
2940 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
2941
2942         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
2943         correct type.
2944
2945 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
2946         
2947         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
2948         
2949 2008-01-11  James E. Wilson  <wilson@specifix.com>
2950
2951         PR target/26015
2952         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
2953
2954 2008-01-11  Anatoly Sokolov <aesok@post.ru>
2955
2956         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
2957         save/restore frame pointer register and don't use 'call-prologues' 
2958         optimization in function with "OS_task" attribute.
2959
2960 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2961
2962         PR middle-end/31309
2963         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
2964         when copying to memory.
2965
2966 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
2967
2968         PR rtl-optimization/30905
2969         * cfgcleanup.c: Include dce.h
2970         (crossjumps_occured): New global variable.
2971         (try_crossjump_bb): Exit loop after finding a fallthru edge.
2972         If something changed, set crossjumps_occured to true.
2973         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
2974         Don't add/remove fake edges to exit here...
2975         (cleanup_cfg): ...but do it here, when crossjumping.
2976         Run a fast DCE when successful crossjumps occured in the latest
2977         iteration of try_optimize_cfg.
2978
2979 2008-01-11  Richard Guenther  <rguenther@suse.de>
2980
2981         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
2982         (struct vn_unary_op_s): Likewise.
2983         (vn_reference_insert): Free old reference on hash collision.
2984
2985 2008-01-10  Raksit Ashok  <raksit@google.com>
2986
2987         PR rtl-optimization/27971
2988         * combine.c (find_split_point): Split PLUS expressions which are
2989         inside a MEM rtx, and whose first operand is complex.
2990
2991 2008-01-10  DJ Delorie  <dj@redhat.com>
2992
2993         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
2994         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
2995         (m32c_hard_regno_ok): Call the underlying function.
2996
2997 2008-01-10  Richard Guenther  <rguenther@suse.de>
2998
2999         PR middle-end/34683
3000         * tree-cfg.c (tree_merge_blocks): Do not go through the
3001         full-blown folding and stmt updating path if we just deal
3002         with virtual operands.
3003         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3004         test for abnormal SSA_NAMEs.
3005
3006 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3007
3008         PR middle-end/34641
3009         * reload.c (push_reload): Add assertions.  All constants from
3010         reg_equiv_constant should have been used for replacing the respective
3011         pseudo earlier.
3012         (find_reloads_address): Invoke find_reloads_address_part for
3013         constant taken from the reg_equiv_constant array.
3014
3015 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
3016
3017         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3018         field (valnum) the first in the struct.  Replace bools with
3019         unit bit fields.
3020
3021 2008-01-10  Richard Guenther  <rguenther@suse.de>
3022
3023         PR tree-optimization/34651
3024         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
3025         types and ordering for masking and converting.
3026
3027 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
3028
3029         PR tree-optimization/34017
3030         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3031         also for PHI_NODE expressions.
3032
3033 2008-01-09  Jan Hubicka  <jh@suse.cz>
3034
3035         PR tree-optimization/34708
3036         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3037         based on number of case labels.
3038         (init_inline_once): Remove switch_cost.
3039         * tree-inline.h (eni_weights_d): Remove switch_cost.
3040
3041 2008-01-09  Richard Guenther  <rguenther@suse.de>
3042         Andrew Pinski  <andrew_pinski@playstation.sony.com>
3043
3044         PR middle-end/30132
3045         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3046         temporary if an rvalue is ok or an lvalue is not required.
3047
3048 2008-01-09  Richard Guenther  <rguenther@suse.de>
3049
3050         PR middle-end/34458
3051         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3052         adjust return type.
3053
3054 2008-01-09  Richard Guenther  <rguenther@suse.de>
3055
3056         PR middle-end/34679
3057         * tree.c (host_integerp): Check for sizetype only if the
3058         type is an integer type.
3059
3060 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3061
3062         PR debug/26364
3063         * opts.c (decode_options): Disable inlining of functions called
3064         once if not in unit-at-a-time mode.
3065
3066 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3067
3068         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3069
3070 2008-01-08  Richard Guenther  <rguenther@suse.de>
3071
3072         PR middle-end/31863
3073         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3074         out early if the result will be unused.
3075
3076 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3077
3078         PR target/34709
3079         Revert:
3080
3081         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3082         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3083         for TARGET_RECIP.       
3084         
3085 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3086         
3087         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3088         for vectorization tuned.
3089         
3090 2008-01-08  Richard Guenther  <rguenther@suse.de>
3091
3092         PR tree-optimization/34683
3093         * tree-ssa-operands.c (operand_build_cmp): Export.
3094         * tree-ssa-operands.h (operand_build_cmp): Declare.
3095         * tree-vn.c (vuses_compare): Remove.
3096         (sort_vuses): Use operand_build_cmp.
3097         (sort_vuses_heap): Likewise.
3098         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3099         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3100         (vdefs_to_vec): Do not sort already sorted VDEFs.
3101
3102 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3103
3104         PR middle-end/34694
3105         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3106
3107 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3108
3109         PR target/34702
3110         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3111         limitations of reciprocal sequences on x86 targets.
3112
3113 2008-01-08  Richard Guenther  <rguenther@suse.de>
3114
3115         PR tree-optimization/34683
3116         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3117
3118 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3119
3120         PR target/34622
3121         * config/darwin.c (darwin_mergeable_string_section): Don't use
3122         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3123
3124 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3125
3126         PR target/34682
3127         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3128         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3129         predicates of op0 and op1 to register_operand.
3130         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3131         expander using X87MODEF mode iterator.  Change predicates of
3132         op0 and op1 to register_operand.
3133         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3134         corresponding patterns and macroize using MODEF macro.  Change
3135         predicates of op0 and op1 to register_operand and remove
3136         "m" constraint. Disparage "r" alternative with "!".
3137         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3138         macroize using X87MODEF macro.  Change predicates of op0 and op1
3139         to register_operand and remove "m" constraint.  Disparage "r"
3140         alternative with "!".
3141         (absneg splitter with memory operands): Remove.
3142         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3143         patterns and macroize using X87MODEF mode iterator.
3144         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3145         Change predicate of op1 to register_operand.
3146         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3147         for memory operands.
3148
3149 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3150
3151         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3152
3153 2008-01-07  Richard Guenther  <rguenther@suse.de>
3154
3155         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3156         fields.
3157
3158 2008-01-07  Richard Guenther  <rguenther@suse.de>
3159
3160         PR tree-optimization/34683
3161         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3162         VOPs of the needed size to save memory.  Use VEC_quick_push
3163         to save compile-time.
3164         (vdefs_to_vec): Likewise.
3165
3166 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3167
3168         * config/spu/spu.md (divdf3): Genetate inline code for double
3169         division.  The implementation doesn't handle INF or NAN, therefore it
3170         only applies when -ffinite-math-only is given.
3171
3172 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3173
3174         PR libstdc++/34680
3175         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3176         * doc/cpp.texi ([Common Predefined Macros]): Document.
3177
3178 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3179
3180         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3181         order to use commutative addition instead of subtraction.
3182
3183 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3184             Mircea Namolaru  <namolaru@il.ibm.com>
3185             Vladimir Yanovsky  <yanov@il.ibm.com>
3186             Revital Eres  <eres@il.ibm.com>
3187
3188         PR tree-optimization/34263
3189         * tree-outof-ssa.c (process_single_block_loop_latch,
3190         contains_tree_r): New functions.
3191         (analyze_edges_for_bb): Call process_single_block_loop_latch
3192         function to empty single-basic-block latch block if possible.
3193
3194 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3195
3196         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3197         for TARGET_RECIP.
3198         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3199
3200 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3201
3202         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3203
3204 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3205
3206         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3207
3208 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3209
3210         PR tree-optimization/34618
3211         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3212         flag from T.
3213
3214 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3215
3216         PR target/34673
3217         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3218         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3219         Update copyright year.
3220
3221         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3222         Update copyright year.
3223         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3224         using NR fixup.
3225
3226 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3227
3228         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3229         edge does not point to current bb before changing need_assert.
3230
3231 2008-01-04  Richard Guenther  <rguenther@suse.de>
3232
3233         PR middle-end/34029
3234         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3235         for verifying purposes if they are is_gimple_min_invariant.
3236
3237 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3238
3239         PR tree-optimization/34448
3240         PR tree-optimization/34465
3241         * gimplify.c (gimplify_init_constructor): Add new parameter
3242         notify_temp_creation.  Use it.
3243         (gimplify_modify_expr_rhs): Take volatiles into account when
3244         optimizing constructors.
3245         Do not optimize constructors if gimplify_init_constructor will dump to
3246         memory.
3247         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3248         * gcc.c-torture/compile/pr34448.c: New.
3249
3250 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3251
3252         PR gcov-profile/34609
3253         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3254         return_slot if result is TREE_ADDRESSABLE.
3255
3256 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3257
3258         * config/mips/mips.md (sqrt_condition): Tweak comment.
3259         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3260
3261 2008-01-03  Tom Tromey  <tromey@redhat.com>
3262
3263         PR c/34457
3264         * c-common.c (c_type_hash): Handle VLAs.
3265
3266 2008-01-03  Jan Hubicka  <jh@suse.cz>
3267
3268         PR tree-optimization/31081
3269         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3270         0 when inlining and not inlining to first basic block.
3271         (remap_decl): When var is initialized to 0, don't set default_def.
3272         (expand_call_inline): Set entry_bb.
3273         * tree-inline.h (copy_body_data): Add entry_bb.
3274
3275 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3276
3277         PR c++/34619
3278         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3279         before returning.
3280
3281         PR tree-optimization/29484
3282         * tree-inline.c (inline_forbidden_p_2): New function.
3283         (inline_forbidden_p): Disallow inlining if some static var
3284         has an address of a local LABEL_DECL in its initializer.
3285         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3286         vs. inlining.
3287
3288 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3289
3290         PR tree-optimization/34635
3291         * tree-data-ref.c (add_other_self_distances): Make sure that the
3292         evolution step is constant.
3293
3294 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3295
3296         PR middle-end/34608
3297         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3298
3299 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3300
3301         * tree-sra.c (scalarize_init): Insert the generate_element_init
3302         statements after the generate_element_zero statements.
3303
3304 2008-01-02  Richard Guenther  <rguenther@suse.de>
3305
3306         PR middle-end/34093
3307         PR middle-end/31976
3308         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3309         for very large number of operands instead of ICEing.
3310
3311 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3312
3313         PR target/34013
3314         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3315         while stack probing.
3316
3317 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3318
3319         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3320         in C++0x mode.
3321
3322 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3323
3324         PR libmudflap/26442
3325         * tree-mudflap.c (mx_register_decls): Guard warning by
3326         !DECL_ARTIFICIAL check.
3327
3328 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3329
3330         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3331         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3332         sse5_perm<mode>): Fix constraints.