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2008-03-06 Paolo Bonzini <bonzini@gnu.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2
3         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
4         word-extractions out of a multi-word object.
5
6 2008-03-06  Richard Guenther  <rguenther@suse.de>
7
8         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
9         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
10         result type and precision.
11         * expr.c (get_inner_reference): Set unsignedp based on the result
12         type of BIT_FIELD_REF.
13         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
14         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
15         (try_instantiate_multiple_fields): Likewise.  Use the correct type
16         for BIT_FIELD_REF.
17         (sra_build_assignment): Likewise.
18         (sra_build_elt_assignment): Likewise.
19         (sra_explode_bitfield_assignment): Likewise.
20         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
21         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
22         set BIT_FIELD_REF_UNSIGNED.
23         (vectorizable_load): Likewise.
24
25 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
26
27         * cse.c (cse_extended_basic_block): Invalidate artificial defs
28         at bb start.
29
30 2008-03-06  Richard Guenther  <rguenther@suse.de>
31
32         * alias.c (struct alias_set_entry): Move has_zero_child field
33         to pack with alias_set.
34
35 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
36
37         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
38         32bit host.
39
40 2008-03-05  Ian Lance Taylor  <iant@google.com>
41
42         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
43
44 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
45
46         * fwprop.c (update_df): Support width and offset parameters of
47         df_ref_create.
48         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
49         global_conflicts): Change DF_REF_EXTRACT to either
50         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
51         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
52         * df-scan.c (df_ref_record, df_defs_record,
53         df_ref_create_structure, df_def_record_1, df_uses_record,
54         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
55         df_bb_refs_collect, df_entry_block_defs_collect,
56         df_exit_block_uses_collect): Support new width and offset fields.
57         (ref_extract_pool): New storage pool.
58         (df_free_ref): New function.
59         (df_reg_chain_unlink, df_free_collection_rec,
60         df_sort_and_compress_refs): Call df_free_ref.
61         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
62         of df_ref_extract.
63         (df_ref_create_structure): Allocate df_ref_extract if offset and
64         width fields are used.
65         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
66         (df_uses_record): Get offset and width from ZERO_EXTRACT 
67         and SIGN_EXTRACT.
68         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
69         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
70         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
71         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
72         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
73         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
74         (df_ref_extract): New structure.
75         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
76         (df_ref_create): Add width and offset parameters.
77         
78 2008-03-05  Richard Guenther  <rguenther@suse.de>
79
80         * tree-ssa-structalias.c (get_constraint_for_component_ref):
81         Use ranges_overlap_p.
82         (offset_overlaps_with_access): Rename
83         to ranges_overlap_p and move ...
84         * tree-flow-inline.h (ranges_overlap_p): ... here.
85
86         * tree.h (get_inner_reference, handled_component_p): Update
87         comments.
88
89         * tree.h (record_component_aliases, get_alias_set,
90         alias_sets_conflict_p, alias_sets_must_conflict_p,
91         objects_must_conflict_p): Move declarations ...
92         * alias.h (record_component_aliases, get_alias_set,
93         alias_sets_conflict_p, alias_sets_must_conflict_p,
94         objects_must_conflict_p): ... here.
95         Include coretypes.h.
96         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
97
98 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
99
100         * cfg.c: Include tree-flow.h.
101         (remove_edge_raw): Call redirect_edge_var_map_clear.
102         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
103         * tree-flow-inline.h (redirect_edge_var_map_def): New.
104         (redirect_edge_var_map_result): New.
105         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
106         PENDING_STMT use with redirect_edge_var_map_*.
107         * tree-ssa.c (edge_var_maps): New definition.
108         (redirect_edge_var_map_add): New.
109         (redirect_edge_var_map_clear): New.
110         (redirect_edge_var_map_dup): New.
111         (redirect_edge_var_map_vector): New.
112         (redirect_edge_var_map_destroy): New.
113         (ssa_redirect_edge): Replace PENDING_STMT use with
114         redirect_edge_var_map_*.
115         (flush_pending_stmts): Same.
116         (delete_tree_ssa): Destroy edge var map.
117         * tree-flow.h (struct _edge_var_map): New.
118         Define edge_var_map vector type.
119         Declare redirect_edge_var_map_* prototypes.
120         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
121         * tree-cfg.c (reinstall_phi_args): Replace
122         PENDING_STMT use with redirect_edge_var_map_*.
123
124 2008-03-05  Richard Guenther  <rguenther@suse.de>
125
126         PR tree-optimization/35472
127         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
128         whose single use_stmt has a overlapping set of loaded and
129         stored symbols as that use_stmt might be a noop assignment then.
130
131 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
132
133         * gthr-rtems.h: Implement __gthread_mutex_destroy.
134
135 2008-03-05  Richard Guenther  <rguenther@suse.de>
136
137         PR c++/35336
138         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
139         should be constants.
140         * tree-cfg.c (verify_expr): Verify it.
141         * fold-const.c (fold_truthop): Remove code generating
142         BIT_FIELD_REFs of structure bases.
143         (fold_binary): Likewise.
144         (fold_ternary): Position and size of BIT_FIELD_REFs are
145         always host integers.
146         (make_bit_field_ref): Remove.
147         (optimize_bit_field_compare): Remove.
148         (all_ones_mask_p): Remove.
149
150 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
151
152         PR gcc/33009
153         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
154         (split_block_and_df_analyze): New. Split basic block and rebuild
155         dataflow.
156         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
157         SPLIT_BLOCK.
158         (split_pattern_seq): Likewise.
159         (erase_matching_seqs): Likewise.
160         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
161
162 2008-03-04  Geoff Keating  <geoffk@apple.com>
163
164         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
165         declaration and code.
166         (tree_invalid_nonnegative_warnv_p): Likewise.
167
168 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
169
170         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
171         examples.  Truncate option-names then causing overfull hbox.
172
173 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
174
175         PR target/35222
176         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
177         on hpux10.
178         * configure: Rebuilt.
179
180 2008-03-04  Rafael Espindola  <espindola@google.com>
181
182         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
183         (tree_unary_nonnegative_warnv_p): New.
184         (tree_binary_nonnegative_warnv_p): New.
185         (tree_single_nonnegative_warnv_p): New.
186         (tree_invalid_nonnegative_warnv_p): New.
187         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
188
189 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
190
191         PR 28322
192         * opts.c (handle_option): Postpone 'unknown option' errors only for
193         warning options.
194
195 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
196
197         PR target/35453
198         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
199         (_SIDD_XXX): This.
200
201 2008-03-04  Rafael Espindola  <espindola@google.com>
202
203         * fold-const.c (tree_unary_nonzero_warnv_p): New.
204         (tree_binary_nonzero_warnv_p): New.
205         (tree_single_nonzero_warnv_p): New.
206         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
207
208 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
209
210         PR middle-end/35456
211         * fold-const.c (fold_cond_expr_with_comparison): Prevent
212         transformations for modes that have signed zeros.
213         * ifcvt.c (noce_try_abs): Ditto.
214
215 >>>>>>> .r132956
216 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
217
218         * config/i386/i386.c (override_options): Force
219         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
220
221 2008-03-04  Jan Hubicka  <jh@suse.cz>
222
223         PR c++/35262
224         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
225         in last commit.
226
227 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
228
229         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
230         label to probe the stack.
231
232 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
233
234         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
235         (__gthr_win32_mutex_destroy): Declare.
236         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
237         __gthr_win32_mutex_destroy.
238         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
239
240 2008-03-03  Jan Hubicka  <jh@suse.cz>
241
242         PR c++/35262
243         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
244         aggressive on inlining cold calls.
245
246 2008-03-03  Richard Guenther  <rguenther@suse.de>
247
248         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
249         struct copies into the expression table.
250         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
251         (try_to_simplify): Likewise.
252         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
253         integral and pointer arguments which do not change the
254         precision to NOP_EXPRs.
255         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
256         VIEW_CONVERT_EXPR case.
257
258 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
259
260         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
261         defined in a loop at depth 0 is invariant.
262         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
263         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
264         be called at loop depth 0.
265
266 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
267
268         PR driver/35420
269         * gcc.c (process_command): Update copyright notice dates.
270         * gcov.c (print_version): Likewise.
271         * gcov-dump.c (print_version): Likewise.
272         * mips-tfile.c (main): Likewise.
273         * mips-tdump.c (main): Likewise.
274
275 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
276
277         PR 24924
278         * c-common.c (flag_permissive): Delete.
279         (constant_expression_warnings): Check flags first.
280         (constant_expression_error): New.
281         * c-common.h (flag_permissive): Delete.
282         (constant_expression_error): Declare.
283         * flags.h (flag_permissive): Declare. Update description.
284         * diagnostic.c (pedwarn): Update.
285         (permerror): New.
286         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
287         (permissive_error_kind): New.
288         * toplev.c (flag_permissive): Define. Update description.
289         * toplev.h (permissive_error_kind): Declare.
290         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
291         (pedwarn_c90): Use pedantic_warning_kind.
292         * c-opts.c (c_common_post_options): flag_permissive does not affect
293         flag_pedantic_errors.
294
295 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
296
297         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
298         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
299         __absvsi2, __absvDI2): Use unsigned arithmetic.
300
301 2008-03-02  Andi Kleen  <ak@suse.de>
302         Richard Guenther  <rguenther@suse.de>
303
304         * struct-equiv.c: Remove file.
305         * cfg_cleanup.c (condjump_equiv_p): Remove.
306         * Makefile.in (OBJS-common): Remove struct-equiv.o.
307         (struct-equiv.o): Remove rule.
308         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
309         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
310         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
311
312 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
313
314         * ifcvt.c (noce_process_if_block): Try to handle only the then
315         block if the else block exists but isn't suitable.
316
317 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
318
319         PR gcc/35063
320         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
321         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
322         regression from previous patch.
323
324 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
325
326         PR gcc/35063
327         * gthr.h: Add __gthread_mutex_destroy as a function that must be
328         implemented.
329         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
330         * gthr-single.h (__gthread_mutex_destroy): Likewise.
331         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
332         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
333         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
334         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
335         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
336         (__gthread_mutex_destroy_function): Rename to
337         __gthread_mutex_destroy.
338         * gthr-dce.h (__gthread_mutex_destroy): Call
339         pthread_mutex_destroy.
340         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
341         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
342         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
343
344 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
345
346         * df-scan.c (df_ref_chain_change_bb): Simplify.
347         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
348         set_block_for_insn if there's any change.
349         * df.h ((df_insn_change_bb): Fix prototype.
350         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
351         df_insn_change_bb, don't call set_block_for_insn.
352         * emit-rtl.c (reorder_insns): Likewise.
353         * haifa-sched.c (move_insn): Likewise.
354
355 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
356
357         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
358
359 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
360
361         * tree-flow-inline.h (next_readonly_imm_use): Return
362         NULL_USE_OPERAND_P after the end.
363
364 2008-03-01  Richard Guenther  <rguenther@suse.de>
365
366         PR tree-optimization/35411
367         * tree-sra.c (sra_build_assignment): Split conversion to
368         final type to a separate statement if we are not assigning
369         to a register.
370
371 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
372
373         * fold-const.c (fold_convertible_p): Correct the logic to follow
374         that in fold_convert().
375
376 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
377
378         PR c++/35315
379         * tree-inline.c (build_duplicate_type): When we make a
380         duplicate type, make it unique in the canonical types system.
381
382 2008-02-29  Tom Tromey  <tromey@redhat.com>
383
384         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
385         input_file_stack_history, input_file_stack_restored): Remove.
386         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
387         * input.h (struct file_stack): Remove.
388         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
389         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
390         Likewise.
391         * diagnostic.h (struct diagnostic_context) <last_module>: Change
392         type.
393         (diagnostic_last_module_changed): Add 'map' argument.
394         (diagnostic_set_last_function): Likewise.
395         * diagnostic.c (undiagnostic_report_current_module): Iterate using
396         line map, not input_file_stack.
397         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
398
399 2008-02-29  Paul Brook  <paul@codesourcery.com>
400
401         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
402
403 2008-02-29  Paul Brook  <paul@codesourcery.com>
404
405         * config/arm/ieee754-df.S (muldf3): Use RET macros.
406
407 2008-02-29  Richard Guenther  <rguenther@suse.de>
408
409         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
410         vn_lookup_or_add.
411         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
412         value for comparing for a store match.
413         (simplify_unary_expression): Do nothing for SSA_NAMEs.
414         (try_to_simplify): Do not do a full-blown reference lookup.
415
416 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
417
418         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
419         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
420
421         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
422
423 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
424
425         * tree-loop-linear.c (try_interchange_loops): Compare memory access
426         strides against cache sizes.
427
428 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
429
430         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
431         constant to fpul.
432
433 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
434
435         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
436         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
437         is smaller than the original promoted value.
438         (simplify_subreg): If OP is a SUBREG, try to preserve its
439         SUBREG_PROMOTED_VAR_P information.
440
441 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
442
443         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
444         (VN_INFO_GET): Allocate new objects on the obstack.
445         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
446         for rpo_numbers_temp, for consistency.
447         (free_scc_vn): Free the obstack.
448
449 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
450
451         * doc/invoke.texi: Document -ftree-loop-distribution.
452         * tree-loop-distribution.c: New.
453         * tree-pass.h (pass_loop_distribution): New.
454         * graphds.h (struct graph): Add htab_t indices.
455         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
456         * tree-vectorizer.c (rename_variables_in_loop): Extern.
457         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
458         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
459         * tree-data-ref.c (debug_data_dependence_relations): New.
460         (dump_data_dependence_relation): Also print data references.
461         (free_data_ref): Extern.
462         (same_access_functions): Moved...
463         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
464         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
465         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
466         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
467         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
468         (stmts_from_loop): Skip LABEL_EXPR.
469         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
470         New.
471         (build_rdg): Initialize rdg->indices htab.
472         (free_rdg, stores_from_loop, ref_base_address,
473         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
474         have_similar_memory_accesses_1, ref_base_address_1,
475         remove_similar_memory_refs): New.
476         * tree-data-ref.h: Depend on tree-chrec.h.
477         (debug_data_dependence_relations, free_data_ref): Declared.
478         (same_access_functions): ... here.
479         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
480         New.
481         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
482         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
483         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
484         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
485         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
486         rdg_vertex_for_stmt): Declared.
487         (struct rdg_edge): Add level.
488         (RDGE_LEVEL): New.
489         (free_rdg, stores_from_loop, remove_similar_memory_refs,
490         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
491         Declared.
492         (rdg_has_similar_memory_accesses): New.
493         * tree-vect-analyze.c: Remove unused static decls.
494         * lambda.h (dependence_level): New.
495         * common.opt (ftree-loop-distribution): New.
496         * tree-flow.h (mark_virtual_ops_in_bb, 
497         slpeel_tree_duplicate_loop_to_edge_cfg,
498         rename_variables_in_loop): Declared.
499         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
500         (OBJS-common): Add tree-loop-distribution.o.
501         (tree-loop-distribution.o): New rule.
502         * tree-cfg.c (mark_virtual_ops_in_bb): New.
503         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
504         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
505
506 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
507
508         PR target/33963
509         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
510         other than structures and unions.
511
512 2008-02-28  Richard Guenther  <rguenther@suse.de>
513
514         Revert:
515         2008-02-26  Richard Guenther  <rguenther@suse.de>
516
517         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
518         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
519         (lookup_decl_from_uid): Declare.
520         (remove_decl_from_map): Likewise.
521         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
522         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
523         (decl_for_uid_map): New global hashtable mapping DECL_UID
524         to the decl tree.
525         (init_ttree): Allocate it.
526         (insert_decl_to_uid_decl_map): New helper function.
527         (make_node_stat): Insert new decls into the map.
528         (copy_node_stat): Likewise.
529         (lookup_decl_from_uid): New function.
530         (remove_decl_from_map): Likewise.
531         (print_decl_for_uid_map_statistics): New helper.
532         (dump_tree_statistics): Call it.
533
534         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
535         (referenced_var_iterator): Adjust.
536         (FOR_EACH_REFERENCED_VAR): Adjust.
537         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
538         (num_referenced_vars): Adjust.
539         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
540         (first_referenced_var): Remove.
541         (end_referenced_vars_p): Likewise.
542         (next_referenced_var): Likewise.
543         (referenced_var_iterator_set): New helper function.
544         * tree-dfa.c (referenced_var_lookup): Adjust.
545         (referenced_var_check_and_insert): Likewise.
546         (remove_referenced_var): Likewise.
547         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
548         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
549         (verify_call_clobbering): Likewise.
550         (verify_memory_partitions): Likewise.
551         (init_tree_ssa): Allocate bitmap instead of hashtable for
552         referenced_vars.
553         (delete_tree_ssa): Adjust.
554         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
555         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
556         (compute_tag_properties): Likewise.
557         (set_initial_properties): Likewise.
558         (find_partition_for): Likewise.
559         (update_reference_counts): Likewise.
560         (dump_may_aliases_for): Likewise.
561         * tree-ssa-operands.c (add_virtual_operand): Likewise.
562         (add_call_clobber_ops): Likewise.
563         (add_call_read_ops): Likewise.
564         (get_asm_expr_operands): Likewise.
565         * tree-into-ssa.c (dump_decl_set): Likewise.
566         (update_ssa): Likewise.
567         * tree-sra.c (scan_function): Likewise.
568         (decide_instantiations): Likewise.
569         (scalarize_parms): Likewise.
570         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
571         (dsa_named_for): Likewise.
572         * tree-ssa-structalias.c (update_alias_info): Likewise.
573         (merge_smts_into): Likewise.
574
575 2008-02-27  David Daney  <ddaney@avtrex.com>
576
577         PR target/34409
578         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
579         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
580         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
581         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
582         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
583
584 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
585
586         PR target/25477
587         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
588         (BUILT_IN_NEXTTOWARD): Remove.
589         (BUILT_IN_NEXTTOWARDF): Ditto.
590         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
591         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
592
593 2008-02-27  Tom Tromey  <tromey@redhat.com>
594
595         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
596         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
597
598 2008-02-27  Jan Beulich  <jbeulich@novell.com>
599
600         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
601         update the respective field on newdecl.
602
603 2008-02-27  Revital Eres  <eres@il.ibm.com>
604
605         PR rtl-optimization/34999
606         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
607         crossing edges that ends with a call insn.
608         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
609         call insn and clear the EDGE_CROSSING flag of the crossing edge
610         when fixing fallthru edges.
611
612 2008-02-27  Richard Guenther  <rguenther@suse.de>
613
614         PR middle-end/35390
615         * fold-const.c (fold_unary): Return the correct argument,
616         converted to the result type.
617
618 2008-02-27  Richard Guenther  <rguenther@suse.de>
619
620         PR middle-end/34971
621         * expr.c (expand_expr_real_1): Assert on rotates that operate
622         on partial modes.
623         * fold-const.c (fold_binary): Use the types precision, not the
624         bitsize of the mode if folding rotate expressions.  Build rotates
625         only for full modes.
626
627 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
628
629         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
630         and CPP_PRAGMA_EOL.
631         * c-pragma.c (pragma_ns_name): New typedef.
632         (registered_pp_pragmas): New variable.
633         (c_pp_lookup_pragma): New function.
634         (c_register_pragma_1): If flag_preprocess_only, do nothing
635         for non-expanded pragmas, for expanded ones push pragma's
636         namespace and name into registered_pp_pragmas vector.
637         (c_invoke_pragma_handler): Register OpenMP pragmas even when
638         flag_preprocess_only, don't register GCC pch_preprocess
639         pragma if flag_preprocess_only.
640         * c-opts.c (c_common_init): Call init_pragma even if
641         flag_preprocess_only.
642         * c-pragma.c (c_pp_lookup_pragma): New prototype.
643         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
644         cpp_register_pragma if flag_preprocess_only.
645
646 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
647
648         PR c/28800
649         * c-parser.c (c_parser_translation_unit): Warn for empty
650         translation unit, not empty source file.
651
652 2008-02-26  Paul Brook  <paul@codesourcery.com>
653
654         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
655         operand for Thumb-2.
656         * config/arm/arm.h (reg_class): Add CORE_REGS.
657         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
658         (BASE_REG_CLASS): Use CORE_REGS.
659         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
660         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
661         (REGNO_OK_FOR_INDEX_P): Exclude SP.
662         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
663         ARM_REGNO_OK_FOR_INDEX_P.
664         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
665         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
666         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
667         (ldm/stm peepholes): Ditto.
668         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
669         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
670         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
671         * config/arm/constraints.md: Enable "k" constraint on ARM.
672
673 2008-02-27  Ben Elliston  <bje@au.ibm.com>
674
675         * config/rs6000/rs6000.c: Annotate cache line size field in all
676         instances of struct processor_costs.
677
678 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
679
680         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
681         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
682         jump_bypass): New counters.
683         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
684         * dce.c (gate_ud_dce): Same.
685         (gate_fast_dce): Same.
686         * dse.c (gate_dse1): New function.
687         (gate_dse2): New function.
688         (gate_dse): Merge results of new gate functions.
689         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
690         (gate_handle_jump_bypass): Add dbg_cnt.
691         (gate_handle_gcse): Add dbg_cnt.
692         * ifcvt.c (gate_handle_if_conversion): Same.
693         (gate_handle_if_after_combine): Same.
694         (gate_handle_if_after_reload): Same.
695         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
696
697 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
698
699         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
700         line sizes.
701         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
702
703 2008-02-26  Jason Merrill  <jason@redhat.com>
704
705         PR c++/35315
706         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
707         alone if it's the naming decl for the type's main variant.
708
709 2008-02-26  Tom Tromey  <tromey@redhat.com>
710
711         * system.h (USE_MAPPED_LOCATION): Poison.
712         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
713         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
714         (make_goto_expr_edges): Likewise.
715         (remove_bb): Likewise.
716         (execute_warn_function_return): Likewise.
717         * basic-block.h (struct edge_def) <goto_locus>: Change type to
718         location_t.
719         * c-common.c (fname_decl): Remove old location code.
720         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
721         location code.
722         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
723         variant.
724         (ASM_INPUT_SOURCE_LOCATION): Likewise.
725         (gen_rtx_ASM_INPUT): Likewise.
726         (gen_rtx_ASM_INPUT_loc): Likewise.
727         (get_rtx_asm_OPERANDS): Remove.
728         * cfglayout.c (insn_locators_alloc): Remove old location code.
729         (set_curr_insn_source_location): Likewise.
730         (curr_insn_locator): Likewise.
731         * print-tree.c (print_node): Remove old location code.
732         * tree-mudflap.c (mf_varname_tree): Remove old location code.
733         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
734         * cfgexpand.c (expand_gimple_cond_expr): Don't use
735         location_from_locus.
736         (construct_exit_block): Remove old location code.
737         * emit-rtl.c (force_next_line_note): Remove old location code.
738         * profile.c (branch_prob): Remove old location code.
739         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
740         LOC_LINE): Remove old-location variants.
741         * langhooks.c (lhd_print_error_function): Remove old location
742         code.
743         * configure, config.in: Rebuilt.
744         * configure.ac (--enable-mapped-location): Remove.
745         * c-decl.c (c_init_decl_processing): Remove old location code.
746         (finish_function): Likewise.
747         * recog.c (decode_asm_operands): Remove old location code.
748         * c-pch.c (c_common_read_pch): Remove old location code.
749         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
750         variants.
751         * gimple-low.c (lower_function_body): Remove old location code.
752         * toplev.c (unknown_location): Remove.
753         (push_srcloc): Remove old-location variant.
754         (process_options): Remove old location code.
755         (lang_dependent_init): Likewise.
756         * input.h (UNKNOWN_LOCATION): Move definition.
757         (location_t): Undeprecate.
758         (source_locus): Remove.
759         (location_from_locus): Remove.
760         (struct location_s): Remove.
761         Remove all old-location code.
762         (input_line, input_filename): Remove.
763         * final.c (final_scan_insn): Remove old location code.
764         * diagnostic.c (diagnostic_build_prefix): Remove
765         USE_MAPPED_LOCATION test.
766         * tree.h (gimple_stmt) <locus>: Now a location_t.
767         (tree_exp) <locus>: Likewise.
768         (DECL_IS_BUILTIN): Remove old-location variant.
769         (annotate_with_file_line, annotate_with_locus): Likewise.
770         (expr_locus, set_expr_locus): Update.
771         * tree.c (build1_stat): Remove old location code.
772         (last_annotated_node): Remove.
773         (annotate_with_file_line): Remove old-location variant.
774         (annotate_with_locus): Likewise.
775         (expr_location): Remove old location code.
776         (set_expr_location): Likewise.
777         (expr_has_location): Likewise.
778         (expr_locus): Likewise.
779         (set_expr_locus): Likewise.
780         (expr_filename): Don't use location_from_locus.
781         (expr_lineno): Likewise.
782         * rtl-error.c (location_for_asm): Remove old location code.
783         * c-lex.c (cb_line_change): Remove old location code.
784         (fe_file_change): Likewise.
785         (cb_def_pragma): Likewise.
786         (c_lex_with_flags): Likewise.
787         * gengtype.c (do_typedef): Don't special-case location types.
788         (define_location_structures): Remove.
789         (main): Don't call define_location_structures.
790         * tree-pretty-print.c (dump_implicit_edges): Remove old location
791         code.
792
793 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
794
795         PR 26264
796         * builtins.def (BUILT_IN_STDARG_START): Remove.
797         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
798         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
799         * tree-inline.c (inline_forbidden_p_1): Likewise.
800         
801 2008-02-26  Richard Guenther  <rguenther@suse.de>
802
803         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
804         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
805         (lookup_decl_from_uid): Declare.
806         (remove_decl_from_map): Likewise.
807         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
808         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
809         (decl_for_uid_map): New global hashtable mapping DECL_UID
810         to the decl tree.
811         (init_ttree): Allocate it.
812         (insert_decl_to_uid_decl_map): New helper function.
813         (make_node_stat): Insert new decls into the map.
814         (copy_node_stat): Likewise.
815         (lookup_decl_from_uid): New function.
816         (remove_decl_from_map): Likewise.
817         (print_decl_for_uid_map_statistics): New helper.
818         (dump_tree_statistics): Call it.
819
820         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
821         (referenced_var_iterator): Adjust.
822         (FOR_EACH_REFERENCED_VAR): Adjust.
823         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
824         (num_referenced_vars): Adjust.
825         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
826         (first_referenced_var): Remove.
827         (end_referenced_vars_p): Likewise.
828         (next_referenced_var): Likewise.
829         (referenced_var_iterator_set): New helper function.
830         * tree-dfa.c (referenced_var_lookup): Adjust.
831         (referenced_var_check_and_insert): Likewise.
832         (remove_referenced_var): Likewise.
833         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
834         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
835         (verify_call_clobbering): Likewise.
836         (verify_memory_partitions): Likewise.
837         (init_tree_ssa): Allocate bitmap instead of hashtable for
838         referenced_vars.
839         (delete_tree_ssa): Adjust.
840         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
841         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
842         (compute_tag_properties): Likewise.
843         (set_initial_properties): Likewise.
844         (find_partition_for): Likewise.
845         (update_reference_counts): Likewise.
846         (dump_may_aliases_for): Likewise.
847         * tree-ssa-operands.c (add_virtual_operand): Likewise.
848         (add_call_clobber_ops): Likewise.
849         (add_call_read_ops): Likewise.
850         (get_asm_expr_operands): Likewise.
851         * tree-into-ssa.c (dump_decl_set): Likewise.
852         (update_ssa): Likewise.
853         * tree-sra.c (scan_function): Likewise.
854         (decide_instantiations): Likewise.
855         (scalarize_parms): Likewise.
856         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
857         (dsa_named_for): Likewise.
858         * tree-ssa-structalias.c (update_alias_info): Likewise.
859         (merge_smts_into): Likewise.
860
861 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
862
863         PR 34351
864         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
865         * c-opts.c (c_common_handle_option): Wall enables
866         Wvolatile-register-var.
867         * common.opt: Move Wvolatile-register-var to...
868         * c.opt: ...here.
869         
870 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
871
872         * common.opt (Wlarger-than=): New.
873         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
874         -Wlarger-than=.
875         * opts.c (common_handle_option): Handle -Wlarger-than=.
876         * optc-gen.awk: Likewise.
877         * opth-gen.awk: Likewise.
878         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
879         * tree-optimize.c (tree_rest_of_compilation): Likewise.
880         
881 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
882
883         * c-common.c (match_case_to_enum_1): Add appropriate
884         OPT_W* parameter to warning.
885         (c_do_switch_warnings): Likewise.
886         * c-typeck.c (warning_init): Add one more parameter following
887         'warning' function.
888         (push_init_level): Update call to warning_init.
889         (pop_init_level): Likewise.
890         (add_pending_init): Likewise.
891         (output_init_element: Likewise.
892
893 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
894
895         PR 28322
896         * toplev.c (toplev_main): If there are warnings or error, print
897         errors for ignored options.
898         * opts.c (ignored_options): New static variable.
899         (postpone_unknown_option_error): New.
900         (print_ignored_options): New.
901         (handle_option): Postpone errors for unknown -Wno-* options.
902         * opts.h (print_ignored_options): Declare.
903         
904 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
905
906         * config/mips/mips.md (loadgp_blockage, blockage): Change type
907         to "ghost".
908
909 2008-02-25  Richard Guenther  <rguenther@suse.de>
910
911         Revert:
912         2008-02-25  Richard Guenther  <rguenther@suse.de>
913
914         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
915         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
916         (lookup_decl_from_uid): Declare.
917         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
918         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
919         (decl_for_uid_map): New global hashtable mapping DECL_UID
920         to the decl tree.
921         (init_ttree): Allocate it.
922         (insert_decl_to_uid_decl_map): New helper function.
923         (make_node_stat): Insert new decls into the map.
924         (copy_node_stat): Likewise.
925         (lookup_decl_from_uid): New function.
926         (print_decl_for_uid_map_statistics): New helper.
927         (dump_tree_statistics): Call it.
928
929         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
930         (referenced_var_iterator): Adjust.
931         (FOR_EACH_REFERENCED_VAR): Adjust.
932         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
933         (num_referenced_vars): Adjust.
934         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
935         (first_referenced_var): Remove.
936         (end_referenced_vars_p): Likewise.
937         (next_referenced_var): Likewise.
938         (referenced_var_iterator_set): New helper function.
939         * tree-dfa.c (referenced_var_lookup): Adjust.
940         (referenced_var_check_and_insert): Likewise.
941         (remove_referenced_var): Likewise.
942         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
943         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
944         (verify_call_clobbering): Likewise.
945         (verify_memory_partitions): Likewise.
946         (init_tree_ssa): Allocate bitmap instead of hashtable for
947         referenced_vars.
948         (delete_tree_ssa): Adjust.
949         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
950         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
951         (compute_tag_properties): Likewise.
952         (set_initial_properties): Likewise.
953         (find_partition_for): Likewise.
954         (update_reference_counts): Likewise.
955         (dump_may_aliases_for): Likewise.
956         * tree-ssa-operands.c (add_virtual_operand): Likewise.
957         (add_call_clobber_ops): Likewise.
958         (add_call_read_ops): Likewise.
959         (get_asm_expr_operands): Likewise.
960         * tree-into-ssa.c (dump_decl_set): Likewise.
961         (update_ssa): Likewise.
962         * tree-sra.c (scan_function): Likewise.
963         (decide_instantiations): Likewise.
964         (scalarize_parms): Likewise.
965         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
966         (dsa_named_for): Likewise.
967         * tree-ssa-structalias.c (update_alias_info): Likewise.
968         (merge_smts_into): Likewise.
969
970 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
971
972         PR fortran/29549
973         * doc/invoke.texi (-fcx-limited-range): Document new option.
974         * toplev.c (process_options): Handle -fcx-fortran-rules.
975         * common.opt: Add documentation for -fcx-fortran-rules.
976
977 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
978
979         PR c/35162
980         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
981         actual behaviour and C99.
982         
983 2008-02-26  Ben Elliston  <bje@au.ibm.com>
984
985         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
986         (ASM_CPU_POWER6_SPEC): Likewise.
987         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
988         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
989         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
990
991 2008-02-25  Richard Guenther  <rguenther@suse.de>
992
993         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
994         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
995         (lookup_decl_from_uid): Declare.
996         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
997         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
998         (decl_for_uid_map): New global hashtable mapping DECL_UID
999         to the decl tree.
1000         (init_ttree): Allocate it.
1001         (insert_decl_to_uid_decl_map): New helper function.
1002         (make_node_stat): Insert new decls into the map.
1003         (copy_node_stat): Likewise.
1004         (lookup_decl_from_uid): New function.
1005         (print_decl_for_uid_map_statistics): New helper.
1006         (dump_tree_statistics): Call it.
1007
1008         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1009         (referenced_var_iterator): Adjust.
1010         (FOR_EACH_REFERENCED_VAR): Adjust.
1011         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1012         (num_referenced_vars): Adjust.
1013         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1014         (first_referenced_var): Remove.
1015         (end_referenced_vars_p): Likewise.
1016         (next_referenced_var): Likewise.
1017         (referenced_var_iterator_set): New helper function.
1018         * tree-dfa.c (referenced_var_lookup): Adjust.
1019         (referenced_var_check_and_insert): Likewise.
1020         (remove_referenced_var): Likewise.
1021         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1022         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1023         (verify_call_clobbering): Likewise.
1024         (verify_memory_partitions): Likewise.
1025         (init_tree_ssa): Allocate bitmap instead of hashtable for
1026         referenced_vars.
1027         (delete_tree_ssa): Adjust.
1028         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1029         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1030         (compute_tag_properties): Likewise.
1031         (set_initial_properties): Likewise.
1032         (find_partition_for): Likewise.
1033         (update_reference_counts): Likewise.
1034         (dump_may_aliases_for): Likewise.
1035         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1036         (add_call_clobber_ops): Likewise.
1037         (add_call_read_ops): Likewise.
1038         (get_asm_expr_operands): Likewise.
1039         * tree-into-ssa.c (dump_decl_set): Likewise.
1040         (update_ssa): Likewise.
1041         * tree-sra.c (scan_function): Likewise.
1042         (decide_instantiations): Likewise.
1043         (scalarize_parms): Likewise.
1044         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1045         (dsa_named_for): Likewise.
1046         * tree-ssa-structalias.c (update_alias_info): Likewise.
1047         (merge_smts_into): Likewise.
1048
1049 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1050
1051         PR target/35258
1052         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1053         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1054         * alias.h (nonoverlapping_memrefs_p): Likewise.
1055
1056 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1057
1058         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1059         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1060         __emultls_get_address, __emultls_register_common,
1061         __floatundi?f, and _Unwind_GetIPInfo.
1062         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1063         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1064         (gen_regparm_prefix): Likewise.
1065         (i386_nlm_encode_section_info): Sync with
1066         config/i386/winnt.c:i386_pe_encode_section_info().
1067         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1068         i386_nlm_mangle_decl_assembler_name): New.
1069         (netware_override_options): New.
1070         * config/i386/netware.h (netware_override_options): Declare.
1071         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1072         (i386_nlm_mangle_decl_assembler_name): Declare.
1073         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1074
1075 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1076
1077         PR other/32948
1078         * c-decl.c (grokdeclarator): Remove unused local variables
1079         `typedef_type' and `type_as_written'.
1080         * bb-reorder.c
1081         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1082         unused local variable `has_hot_blocks'.
1083         (fix_crossing_conditional_branches): Remove unused local variable
1084         `prev_bb'.
1085         
1086 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1087
1088         PR middle-end/19984
1089         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1090         using DEF_C99_BUILTIN.
1091         (BUILT_IN_NANF): Ditto.
1092         (BUILT_IN_NANL): Ditto.
1093
1094 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1095             Revital Eres  <eres@il.ibm.com>
1096
1097         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1098         regarding the order of two dependent insns in the same row.
1099
1100 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1101
1102         * stor-layout.c (layout_decl): Do not bump the alignment of a
1103         bit-field to more than byte alignment if it is packed.
1104
1105 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1106
1107         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1108         e300c2 and e300c3.
1109
1110 2008-02-24  Diego Novillo  <dnovillo@google.com>
1111
1112         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1113
1114         PR 33738
1115         * tree-vrp.c (vrp_evaluate_conditional): With
1116         -Wtype-limits, emit a warning when comparing against a
1117         constant outside the natural range of OP0's type.
1118         * c.opt (Wtype-limits): Move ...
1119         * common.opt (Wtype-limits): ... here.
1120
1121 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1122
1123         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1124         * config/rs6000/e300c2c3.md: New file.
1125         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1126         e300c2 and e300c3.
1127         (rs6000_override_options): Add e300c2 and e300c3 cases to
1128         processor_target_table. Do not allow usage of Altivec or Spe
1129         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1130         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1131         * config/rs6000/rs6000.h (processor_type): Add
1132         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1133         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1134         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1135         and ppce300c3. Include e300c2c3.md.
1136
1137 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1138
1139         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1140         instead of TARGET_STRICT_ALIGN.
1141
1142 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1143
1144         * explow.c (memory_address): Assert that the generated address is
1145         valid.
1146
1147 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1148
1149         PR target/25477
1150         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1151         * config/darwin-ppc-ldouble-patch.def: New file.
1152         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1153         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1154         SUBTARGET_INIT_BUILTINS if defined.
1155         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1156         New functions.
1157
1158 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1159
1160         PR rtl-opt/33512
1161         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1162         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1163
1164 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1165
1166         PR pch/35027
1167         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1168         file" warning condtional on -Winvalid-PCH.
1169
1170 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1171
1172         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1173
1174 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1175
1176         PR target/22076
1177         PR target/34256 
1178         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1179         prevent reload from using MMX registers.
1180         (*mov<mode>_internal): Ditto.
1181         (*movv2sf_internal_rex64): Ditto.
1182         (*movv2sf_internal): Ditto.
1183
1184 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1185
1186         PR documentation/31569
1187         * doc/install.texi2html: Use makeinfo --no-number-sections.
1188
1189 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1190
1191         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1192         ensure that we can address an entire entity > 8 bytes.  Don't
1193         generate reg+reg addressing for such data.
1194
1195 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1196
1197         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1198         strings when optimizing for size, unless the target cares about
1199         alignment.
1200
1201 2008-02-22  Tom Tromey  <tromey@redhat.com>
1202
1203         * regclass.c (current_pass): Remove declaration.
1204
1205 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1206
1207         * config/avr/libgcc.S (__RAMPZ__): Define.
1208         (__do_copy_data): Add for devices with 128KB code memory.
1209
1210 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1211
1212         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1213         Use spe_abi.
1214         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1215
1216 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1217
1218         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1219         GENNONACR_REGS.
1220
1221 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1222
1223         PR c/19999
1224         * c-typeck.c (build_binary_op): Warn about floating point
1225         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1226
1227 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1228
1229         PR target/34526
1230         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1231         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1232         add vrsave.
1233         (rs6000_override_options): Set altivec_abi as default, not override,
1234         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1235         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1236         is used; use new member spe_abi.
1237         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1238         spe_abi and altivec_abi.
1239
1240 2008-02-22  Tomas Bily  <tbily@suse.cz>
1241
1242         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1243
1244 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1245
1246         PR bootstrap/35273
1247         * config.build (build_file_translate): Set to `CMD //c' only if
1248         it works.
1249         * Makefile.in (build_file_translate): Improve comment.
1250
1251 2008-02-21  Jan Hubicka  <jh@suse.cz>
1252
1253         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1254         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1255         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1256
1257 2008-02-21  Michael Matz  <matz@suse.de>
1258
1259         PR target/35264
1260         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1261
1262 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1263
1264         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1265         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1266         as insn constraint.
1267         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1268         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1269         SSE_VEC_FLOAT_MODE_P as insn constraint.
1270         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1271         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1272         sse4a_movntdf using MODEF mode iterator.
1273         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1274         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1275         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1276         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1277         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1278         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1279         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1280
1281 2008-02-21  Richard Guenther  <rguenther@suse.de>
1282
1283         * tree.def (PAREN_EXPR): New tree code.
1284         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1285         and PAREN_EXPR.
1286         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1287         * expr.c (expand_expr_real_1): Likewise.
1288         * tree-inline.c (estimate_num_insns_1): Likewise.
1289         * tree-complex.c (expand_complex_move): Likewise.
1290         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1291         as plain x.
1292
1293 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1294
1295         PR target/35225
1296         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1297
1298 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1299
1300         PR target/35190
1301         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1302
1303         * config/sh/sh.c (find_barrier): Don't go past
1304         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1305
1306 2008-02-20  DJ Delorie  <dj@redhat.com>
1307
1308         * config/h8300/h8300.md (insv): Force source operand to be a register.
1309
1310         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1311         as a jump, not as a plain insn.
1312         
1313 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1314
1315         * doc/invoke.texi (Warning Options): Add new option
1316         -Wframe-larger-than=.
1317         (-Wframe-larger-than): Document.
1318
1319         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1320         Add declarations for new option variables.
1321
1322         * final.c (final_start_function): Check the frame size
1323         before emission and issue a Wframe-larger-than warning.
1324
1325         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1326         Add definitions for new option variables.
1327         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1328
1329         * common.opt (Wframe-larger-than=): New option.
1330
1331 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1332
1333         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1334         (<sse>_div<mode>3): Ditto.
1335         (<sse>_vmdiv<mode>3): Ditto.
1336         (<sse>_vmsqrt<mode>2): Ditto.
1337         (*smax<mode>3): Ditto.
1338         (sse5_frcz<mode>2): Ditto.
1339         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1340         as insn constraint.
1341
1342 2008-02-20  Richard Guenther  <rguenther@suse.de>
1343
1344         PR middle-end/35265
1345         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1346         be happy with INTEGRAL_TYPE_P.
1347
1348 2008-02-20  Richard Guenther  <rguenther@suse.de>
1349
1350         * fold-const.c (split_tree): Associate floatig-point expressions
1351         if flag_associative_math is set.
1352
1353 2008-02-20  Richard Guenther  <rguenther@suse.de>
1354
1355         * tree.h (fold_real_zero_addition_p): Declare.
1356         * fold-const.c (fold_real_zero_addition_p): Export.
1357         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1358         floating-point operations with zero and one.
1359
1360 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1361
1362         * doc/install.texi: Correct references to CFLAGS, replacing them
1363         with BOOT_CFLAGS.  Document flags used during bootstrap for
1364         target libraries.
1365                                 
1366 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1367
1368         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1369         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1370         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1371         insn constraint.
1372         (smin<mode>3): Ditto from similar patterns.
1373         (smax<mode>3): Ditto.
1374         (*ieee_smin<mode>3): Ditto.
1375         (*ieee_smax<mode>3): Ditto.
1376         * config/i386/sse.md (sse): New mode attribute.
1377         (mov<mode>): Macroize expander from movv4sf and movv2df using
1378         SSEMODEF2P mode iterator.
1379         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1380         SSE_VEC_FLOAT_MODE_P as insn constraint.
1381         (storent<mode>): Ditto.
1382         (storent<mode>): Macroize expander from storentsf and storentdf using
1383         MODEF mode iterator.
1384         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1385         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1386         (abs<mode>2): Ditto from similar patterns.
1387         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1388         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1389         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1390         (<sse>_vmsqrt<mode>2): Ditto.
1391         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1392         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1393         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1394         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1395         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1396         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1397         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1398         insn constraint.
1399         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1400         iterator and SSE_FLOAT_MODE_P as insn constraint.
1401         (<sse>_ucomi): Ditto from similar patterns.
1402         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1403         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1404         SSE_VEC_FLOAT_MODE_P as insn constraint.
1405         (vcond<mode>): Ditto from similar patterns.
1406         (and<mode>3, *and<mode>3): Ditto.
1407         (<sse>_nand<mode>3): Ditto.
1408         (ior<mode>3, *ior<mode>3): Ditto.
1409         (xor<mode>3, *xor<mode>3): Ditto.
1410         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1411         iterator and SSE_FLOAT_MODE_P as insn constraint.
1412         (*nand<mode>3): Ditto from similar patterns.
1413         (*ior<mode>3): Ditto.
1414         (*xor<mode>3): Ditto.
1415
1416 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1417
1418         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1419         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1420         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1421
1422 2008-02-19  Jan Hubicka  <jh@suse.cz>
1423
1424         * predict.c (tree_bb_level_predictions): Remove variable next
1425         mistakely introduced by previous commit.
1426
1427 2008-02-19  Jan Hubicka  <jh@suse.cz>
1428
1429         * predict.c (predict_paths_leading_to): Rewrite.
1430         (predict_paths_for_bb): New.
1431         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1432
1433 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1434
1435         PR bootstrap/35218
1436         * Makefile.in (build_file_translate): New.
1437         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1438         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1439         * configure.ac (build_file_translate): Substitute it.
1440         * configure: Regenerate.
1441
1442 2008-02-19  Jan Hubicka  <jh@suse.cz>
1443
1444         PR rtl-optimization/34408
1445         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1446         invalid sharing.
1447
1448 2008-02-19  Jan Hubicka  <jh@suse.cz>
1449
1450         PR middle-end/28779
1451         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1452         call_expr.
1453
1454 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1455
1456         PR Ada/35186
1457         * config/i386/i386-modes.def: Revert the last DI alignment
1458         change until Ada people can look into it.
1459
1460 2008-02-19  Nick Clifton  <nickc@redhat.com>
1461
1462         * opts.c (print_specific_help): Fix typo in --help text.
1463
1464 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1465
1466         PR target/35239
1467         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1468         32-bit inline asm without asm alternatives for host GCC < 3.0.
1469
1470 2008-02-19  Richard Guenther  <rguenther@suse.de>
1471
1472         PR tree-optimization/34989
1473         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1474         Allow propagation to INDIRECT_REF if we can simplify only.
1475
1476 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1477
1478         * c-common.c (warn_for_collisions_1): Use appropriate option when
1479         warning.
1480
1481 2008-02-19  Nick Clifton  <nickc@redhat.com>
1482
1483         PR other/31349
1484         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1485         (handle_options): Fix indentation.
1486         (print_filtered_help): If no language-specific options were
1487         displayed tell the user how to list all the options supported by
1488         the language's front-end.
1489         (print_specific_help): Fix indentation and remove duplicate line.
1490         (common_handle_option): Handle the -v option.
1491         For --help enable the display of undocumented options if the -v
1492         switch has been included on the command line.
1493         For --help= check for overlaps in the arguments between the option
1494         classes and the language names and issue a warning when they
1495         cannot be disambiguated.
1496         * c.opt (v): Pass on to the common option handler.
1497
1498 2008-02-19  Revital Eres  <eres@il.ibm.com> 
1499
1500         * modulo-sched.c (sms_schedule): Change dump message when
1501         create_ddg function fails.
1502         (try_scheduling_node_in_cycle): Rename row to cycle.
1503         (print_partial_schedule): Rename CYCLE to ROW.
1504
1505 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1506             Zdenek Dvorak  <ook@ucw.cz>
1507
1508         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1509
1510 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1511
1512         PR target/33555
1513         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1514         (*x86_movdicc_0_m1_se): Ditto.
1515
1516 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1517
1518         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1519         (CMPtype): Define as __gcc_CMPtype.
1520         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1521         (CMPtype): Define as __gcc_CMPtype.
1522
1523 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1524
1525         Support valgrind 3.3 for --enable-checking=valgrind.
1526         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1527         here.
1528         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1529         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1530         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1531         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1532         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1533         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1534         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1535         respectively.
1536         * ggc-zone.c: Similar.
1537         * ggc-page.c: Similar.
1538
1539 2008-02-19  Paul Brook  <paul@codesourcery.com>
1540
1541         PR target/35071
1542         * config/arm/ieee754-df.S: Fix do_it typo.
1543         * config/arm/ieee754-sf.S: Fix do_it typo.
1544
1545 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1546
1547         PR target/35189
1548         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1549         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1550         (OPTION_MASK_ISA_SSE_SET): Likewise.
1551         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1552         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1553         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1554         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1555         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1556         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1557         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1558         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1559         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1560         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1561         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1562         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1563         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1564         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1565         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1566         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1567         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1568         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1569         (OPTION_MASK_ISA_SSE4): Removed.
1570         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1571         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1572         -mXXX.
1573         (override_options): Don't turn on implied SSE/MMX bits in
1574         ix86_isa_flags.
1575
1576 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1577
1578         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1579         32bit host.
1580
1581 2008-02-18  Joey Ye  <joey.ye@intel.com>
1582
1583         PR middle-end/34921
1584         * tree-nested.c (insert_field_into_struct): Set type alignment
1585         to field alignment if the former is less than the latter.
1586
1587 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1588
1589         * BASE-VER: Set to 4.4.0.
1590
1591 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1592
1593         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1594         * doc/cfg.texi: Likewise.
1595         * doc/extend.texi: Likewise.
1596         * doc/gty.texi: Likewise.
1597         * doc/invoke.texi: Likewise.
1598         * doc/loop.texi: Likewise.
1599         * doc/md.texi: Likewise.
1600         * doc/passes.texi: Likewise.
1601         * doc/rtl.texi: Likewise.
1602         * doc/sourcebuild.texi: Likewise.
1603         * doc/tm.texi: Likewise.
1604         * doc/tree-ssa.texi: Likewise.
1605
1606 2008-02-17  Richard Guenther  <rguenther@suse.de>
1607
1608         PR middle-end/35227
1609         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1610         without default definition.
1611
1612 2008-02-17  Richard Guenther  <rguenther@suse.de>
1613
1614         PR tree-optimization/35231
1615         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1616         if A | B != 1.
1617
1618 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1619
1620         Revert:
1621
1622         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
1623         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1624         libgcc_cmp_return mode.
1625
1626 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1627
1628         PR c/28368
1629         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1630
1631 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1632
1633         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1634         multilibs.
1635
1636 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1637
1638         * doc/c-tree.texi: Use `@.' where appropriate.
1639         * doc/extend.texi: Likewise.
1640         * doc/install.texi: Likewise.
1641         * doc/invoke.texi: Likewise.
1642         * doc/loop.texi: Likewise.
1643         * doc/makefile.texi: Likewise.
1644         * doc/md.texi: Likewise.
1645         * doc/passes.texi: Likewise.
1646         * doc/standards.texi: Likewise.
1647         * doc/tm.texi: Likewise.
1648
1649 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1650
1651         PR middle-end/35196
1652         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1653         in entry_bb.
1654         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1655         rather than in entry_bb.
1656
1657 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1658
1659         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1660         libgcc_cmp_return mode.
1661
1662 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1663
1664         PR middle-end/35130
1665         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1666         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1667
1668 2008-02-15  Richard Guenther  <rguenther@suse.de>
1669             Zdenek Dvorak  <ook@ucw.cz>
1670
1671         PR tree-optimization/35164
1672         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1673         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1674         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1675         Only propagate addresses which do not have abnormal SSA_NAMEs
1676         in their operands.
1677
1678 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1679
1680         PR target/35088
1681         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1682
1683 2008-02-15  Jan Hubicka  <jh@suse.cz>
1684
1685         PR middle-end/35149
1686         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1687
1688 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1689
1690         PR middle-end/34621
1691         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1692         when calculating alignment_pad.
1693
1694 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1695
1696         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1697         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1698         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1699         and STACK_BOUNDARY define.
1700
1701 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1702
1703         PR preprocessor/35061
1704         * c-pragma.c (handle_pragma_pop_macro): Check that
1705         pushed_macro_table has been allocated.
1706
1707 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1708
1709         PR middle-end/35136
1710         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1711         (force_gimple_operand): Likewise.
1712         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1713         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1714         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1715         (find_interesting_uses_address): Check addressability and alignment
1716         of the base expression only after substituting bases of IVs into it.
1717
1718 2008-02-14  Michael Matz  <matz@suse.de>
1719
1720         PR target/34930
1721         * function.c (instantiate_virtual_regs_in_insn): Reload address
1722         before falling back to reloading the whole operand.
1723
1724 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1725
1726         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1727         before the first section switch note.
1728
1729 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1730
1731         * doc/bugreport.texi: Update copyright years.
1732         * doc/c-tree.texi: Likewise.
1733         * doc/cfg.texi: Likewise.
1734         * doc/cpp.texi: Likewise.
1735         * doc/cppinternals.texi: Likewise.
1736         * doc/fragments.texi: Likewise.
1737         * doc/frontends.texi: Likewise.
1738         * doc/gcc.texi: Likewise.
1739         * doc/gty.texi: Likewise.
1740         * doc/hostconfig.texi: Likewise.
1741         * doc/implement-c.texi: Likewise.
1742         * doc/libgcc.texi: Likewise.
1743         * doc/loop.texi: Likewise.
1744         * doc/makefile.texi: Likewise.
1745         * doc/options.texi: Likewise.
1746         * doc/passes.texi: Likewise.
1747         * doc/rtl.texi: Likewise.
1748         * doc/sourcebuild.texi: Likewise.
1749         * doc/standards.texi: Likewise.
1750         * doc/tree-ssa.texi: Likewise.
1751         * doc/trouble.texi: Likewise.
1752
1753         * doc/extend.texi: Use @: or add comma where appropriate.
1754         * doc/invoke.texi: Likewise.
1755         * doc/tm.texi: Likewise.
1756
1757 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1758
1759         PR target/34393
1760         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1761         to a reg.
1762
1763 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1764
1765         * doc/md.texi (clz, ctz): Add reference.
1766         * doc/rtl.texi (clz, ctz): Likewise.
1767
1768 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1769
1770         PR other/35148
1771         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1772         srcdir.
1773
1774 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1775
1776         * config/s390/s390.c (struct constant_pool): New field
1777         emit_pool_after added.
1778         (s390_mainpool_start): Set the emit_pool_after flag according
1779         to the section switch notes.
1780         (s390_mainpool_finish): Consider emit_pool_after when emitting
1781         the literal pool at the end of the function.
1782         (s390_chunkify_start): Force literal pool splits at section
1783         switch notes.
1784
1785 2008-02-13  Michael Matz  <matz@suse.de>
1786
1787         PR debug/35065
1788         * var-tracking.c (clobber_variable_part): Correctly traverse the
1789         list.
1790
1791 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1792
1793         PR 29673
1794         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1795         Add -fdump-ipa-inline.
1796         * tree-dump.c (dump_files): Remove tree-inlined dump.
1797         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
1798         
1799 2008-02-12  Richard Guenther  <rguenther@suse.de>
1800
1801         PR tree-optimization/35171
1802         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
1803         default defs.
1804
1805 2008-02-12  Richard Guenther  <rguenther@suse.de>
1806
1807         PR middle-end/35163
1808         * fold-const.c (fold_widened_comparison): Use get_unwidened in
1809         value-preserving mode.  Disallow final truncation.
1810
1811 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1812
1813         PR middle-end/35136
1814         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
1815         code from here to...
1816         (force_gimple_operand): ...here.
1817
1818 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
1819
1820         PR c++/35144
1821         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
1822         non-compatible pointers.
1823         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
1824         different FIELD_DECLs, try harder by comparing field offsets, sizes
1825         and types.
1826
1827         PR inline-asm/35160
1828         * function.c (match_asm_constraints_1): Don't replace the same input
1829         multiple times.
1830
1831 2008-02-12  Anatoly Sokolov <aesok@post.ru>
1832
1833         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
1834         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
1835         (expand_epilogue): Restore RAMPZ register.
1836         * config/avr/avr.md (RAMPZ_ADDR): New constant.
1837
1838 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
1839
1840         * config/i386/cygwin.asm: (__alloca): Correct calling
1841         convention and alignment.
1842         (__chkstk): Force 8 byte stack alignment.
1843
1844 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
1845             Richard Guenther  <rguenther@suse.de>
1846
1847         PR tree-optimization/33992
1848         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
1849         the zero we compare against.
1850
1851 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
1852
1853         PR libfortran/35063
1854         * gthr-win32.h (__gthread_mutex_destroy_function): New function
1855         to CloseHandle after unlocking to prevent accumulation of handle
1856         count.
1857
1858 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1859
1860         PR middle_end/34150
1861         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
1862         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
1863         and update LABEL_NUSES during and after reload.
1864
1865 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
1866
1867         PR middle-end/34627
1868         * combine.c (simplify_if_then_else): Make sure the comparison is
1869         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
1870
1871 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1872
1873         PR bootstrap/35051
1874         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
1875         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
1876         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
1877         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
1878         * tree.h (get_type_static_bounds): Likewise.
1879
1880 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1881
1882         * doc/invoke.texi (Option Summary, C++ Dialect Options)
1883         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1884         Make -Wfoo language annotations match what the compiler outputs.
1885
1886 2008-02-08  Sa Liu  <saliu@de.ibm.com>
1887
1888         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
1889         intrinsics spu_convts, spu_convtu, spu_convtf.
1890         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
1891
1892 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
1893
1894         * doc/extend.texi (Function Attributes) <noinline>: Mention
1895         asm ("") as method to keep calls.
1896
1897 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1898
1899         PR other/32754
1900         * doc/options.texi (Options): Replace references to opts.sh with
1901         optc-gen.awk.
1902         * opts-common.c: Likewise.
1903         * optc-gen.awk: Likewise.
1904         
1905 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1906
1907         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
1908
1909 2008-02-07  Richard Henderson  <rth@redhat.com>
1910
1911         PR rtl-opt/33410
1912         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
1913         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
1914         funny mode.
1915
1916 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
1917
1918         PR tree-optimization/35085
1919         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
1920         for operand entry oe2 in addition to operand entry oe3 in order to
1921         expose more opportunities for vectorizer sum reduction.
1922
1923 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1924
1925         PR other/35107
1926         * Makefile.in (LIBS): Remove $(GMPLIBS).
1927         (cc1-dummy, cc1): Add $(GMPLIBS).
1928
1929 2008-02-06  Jan Hubicka  <jh@suse.cz>
1930
1931         PR target/23322
1932         * i386.md (moddf_integer): Do not produce partial memory stalls for
1933         targets where it hurts.
1934
1935 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
1936
1937         PR target/35083
1938         * optabs.c (expand_float): Do not check for decimal modes when
1939         expanding unsigned integer through signed conversion.
1940
1941 2008-02-06  Nick Clifton  <nickc@redhat.com>
1942
1943         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
1944         inside the clobber with a match_operand and duplicated operand
1945         number in the constraint.
1946         (ineqbranchsi): Delete redundant comment.
1947
1948 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1949
1950         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
1951         builtin_define ("__USE_INIT_FINI__").
1952         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
1953         -msx multilibs.
1954         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
1955
1956 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1957
1958         PR documentation/30330
1959         * doc/invoke.texi (C++ Dialect Options)
1960         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1961         For each warning option -Wfoo that allows -Wno-foo, ensure both
1962         -Wfoo and -Wno-foo are listed in the option index.  Fix index
1963         entry of -Wswitch-default, index -Wnormalized= including the
1964         `=', and -Wlarger-than-@var{len} including @var{len}.
1965
1966 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1967
1968         * config/i386/i386.md (floatunssisf2): Use
1969         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
1970         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
1971         Macroize expander using MODEF mode iterator.
1972
1973 2008-02-05  Diego Novillo  <dnovillo@google.com>
1974
1975         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
1976
1977         PR 33738
1978         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
1979
1980 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1981
1982         PR other/35070
1983         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
1984
1985 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
1986
1987         PR target/35084
1988         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
1989         to indicate if a message should be generated.
1990         (init_cumulative_args): Updated.
1991         (function_value_32): Likewise.
1992
1993 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
1994
1995         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
1996
1997 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1998
1999         PR target/35083
2000         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2001         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2002
2003 2008-02-04  Diego Novillo  <dnovillo@google.com>
2004
2005         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2006
2007         PR 33738
2008         * tree-vrp.c (vrp_evaluate_conditional): With
2009         -Wtype-limits, emit a warning when comparing against a
2010         constant outside the natural range of OP0's type.
2011
2012 2008-02-04  Richard Guenther  <rguenther@suse.de>
2013
2014         PR middle-end/33631
2015         * expr.c (count_type_elements): Give for unions instead of
2016         guessing.
2017
2018 2008-02-04  Richard Guenther  <rguenther@suse.de>
2019
2020         PR middle-end/35043
2021         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2022         to TYPE_DOMAINs base type instead of using bitsizetype here.
2023
2024 2008-02-03  Jason Merrill  <jason@redhat.com>
2025
2026         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2027
2028 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2029
2030         PR other/29972
2031         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2032         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2033         (RS/6000 and PowerPC Options): Fix typos and markup.
2034         * doc/passes.texi (Tree-SSA passes): Likewise.
2035
2036 2008-02-02  Michael Matz  <matz@suse.de>
2037
2038         PR target/35045
2039         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2040         from record_last_reg_set_info.
2041         (record_last_reg_set_info): Take an RTX argument, iterate over all
2042         constituent hardregs.
2043         (record_last_set_info, record_opr_changes): Change calls to
2044         new signature or to record_last_reg_set_info_regno.
2045
2046 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2047
2048         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2049
2050 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2051
2052         PR rtl-optimization/34773
2053         * reg-notes.def (EQUAL): Mention significance of combination of
2054         REG_EQUAL and REG_RETVAL.
2055         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2056         insn that has a REG_RETVAL.
2057
2058 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2059
2060         PR bootstrap/33781
2061         * configure.ac (--enable-fixed-point): Disable unless explicitly
2062         requested on IRIX.
2063         * configure: Regenerate.
2064
2065 2008-02-01  Richard Guenther  <rguenther@suse.de>
2066
2067         PR other/35042
2068         * invoke.texi (-finline-limit): Remove no longer true parts
2069         of the documentation.  Note that there is no default value.
2070
2071 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2072             Mark Mitchell  <mark@codesourcery.com>
2073             Ben Elliston  <bje@au.ibm.com>
2074
2075         PR c/29326
2076         * doc/extend.texi (Other Builtins): Document.
2077
2078 2008-01-31  Tom Browder <tom.browder@gmail.com>
2079
2080         * doc/c-tree.texi (Types): Fix grammar.
2081         (Expression trees): Ditto.
2082         * doc/passes.texi (Tree-SSA passes): Ditto.
2083         
2084         * doc/configterms.texi (Configure Terms): Fix typo.
2085         * doc/cpp.texi (Common Predefined Macros): Ditto.
2086         * doc/md.texi (Machine Constraints): Ditto.
2087         
2088         * doc/makefile.texi (Makefile): Add comma.
2089
2090 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2091             Gerald Pfeifer  <gerald@pfeifer.com>
2092         
2093         * doc/sourcebuild.texi (Front End): Remove references to CVS
2094         and CVSROOT/modules.
2095         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2096         (Back End): Remove reference to CVS.
2097
2098 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2099
2100         PR target/34900
2101         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2102         comment from...
2103         (mips16_gp_pseudo_reg): ...here.
2104         * config/mips/mips.md (load_const_gp): Replace with...
2105         (load_const_gp_<mode>): ...this :P-based insn.
2106
2107 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2108
2109         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2110         options. Minor fixes.
2111         (-std): Move reference to standards closer to where language
2112         standards are first mentioned.
2113         
2114 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2115
2116         PR rtl-optimization/34995
2117         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2118         parameter and return a bool.  If the rtx parameter is nonnull,
2119         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2120         (find_reloads): Update call accordingly.  Pass the new operand
2121         if it needed no address reloads, otherwise pass null.
2122
2123 2008-01-30  Richard Henderson  <rth@redhat.com>
2124
2125         PR c/34993
2126         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2127         for unbounded arrays.
2128
2129 2008-01-30  Silvius Rus  <rus@google.com>
2130
2131         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2132
2133 2008-01-30  Jan Hubicka  <jh@suse.cz>
2134
2135         PR target/34982
2136         * i386.c (init_cumulative_args): Use real function declaration when
2137         calling locally.
2138
2139 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2140
2141         PR rtl-optimization/34998
2142         * global.c (build_insn_chain): Treat non-subreg_lowpart
2143         SUBREGs of pseudos as clobbering all the words covered by the
2144         SUBREG, not just all the bytes.
2145         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2146         original df_ref rather than an extract parameter.
2147         (global_conflicts): Update call accordingly.
2148
2149 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2150
2151         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2152         the overflow check to make it easier to read.
2153         (__fixtfdi): Change the type of the ll member in union
2154         long_double to UDItype_x.
2155
2156 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2157
2158         PR middle-end/34969
2159         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2160         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2161         * tree-inline.c (fold_marked_statements): Call
2162         cgraph_update_edges_for_call_stmt if folding a call statement.
2163         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2164         debug_generic_stmt calls, reset it back afterwards.
2165
2166         PR c/35017
2167         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2168         static decls.
2169         * c-typeck.c (build_external_ref): Don't pedwarn about
2170         static vars in current function's scope.
2171
2172 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2173
2174         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2175
2176 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2177
2178         PR c/35002
2179         * ipa-struct-reorg.c: Fix spelling.
2180         * params.def: Ditto.
2181
2182 2008-01-29  Richard Guenther  <rguenther@suse.de>
2183
2184         PR middle-end/35006
2185         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2186         field.
2187         * tree-inline.c (remap_type): Increment remapping_type_depth
2188         around remapping types.
2189         (copy_body_r): Only add referenced variables if they are referenced
2190         from code, not types.
2191
2192 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2193
2194         PR c++/34055
2195         PR c++/34103
2196         PR c++/34219
2197         PR c++/34606
2198         PR c++/34753
2199         PR c++/34754
2200         PR c++/34755
2201         PR c++/34919
2202         PR c++/34961
2203         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2204         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2205
2206 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2207
2208         PR target/34412
2209         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
2210         pointer for tiny stack.
2211
2212 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2213
2214         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2215
2216 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2217
2218         * config/vx-common.h: Fix typo in comment.
2219
2220 2008-01-28  Ian Lance Taylor  <iant@google.com>
2221
2222         PR c++/34862
2223         PR c++/33407
2224         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2225         coalesce pointers if they have different DECL_NO_TBAA_P values.
2226         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2227         between variables with different DECL_NO_TBAA_P values.
2228
2229 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2230
2231         PR 31535
2232         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2233         are not legitimate small data references on SPE targets.
2234
2235 2008-01-28  David Daney  <ddaney@avtrex.com>
2236
2237         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2238
2239 2008-01-28  David Daney  <ddaney@avtrex.com>
2240
2241         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2242
2243 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2244
2245         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2246         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2247         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2248         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2249         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2250         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2251         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2252         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2253
2254 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2255
2256         * basic-block.h (condjump_equiv_p): Fix comment.
2257
2258 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2259
2260         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2261         print_generic_stmt_indented): Fix comment.
2262
2263 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2264
2265         * configure.ac (__stack_chk_fail): Add detecion for availability
2266         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2267         * configure: Regenerate.
2268
2269 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2270
2271         PR middle-end/34688
2272         * final.c (output_addr_const): Handle TRUNCATE.
2273
2274 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2275
2276         PR target/34711
2277         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2278         (zero_cost, infinite_cost): New constants.
2279         (struct cost_pair): Change type of cost to comp_cost.
2280         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2281         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2282         New functions.
2283         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2284         split_address_cost, ptr_difference_cost, difference_cost,
2285         get_computation_cost_at, get_computation_cost,
2286         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2287         determine_use_iv_cost_condition, determine_use_iv_costs,
2288         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2289         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2290         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2291         Change type of cost to comp_cost.
2292         (determine_iv_cost): Increase cost of non-original ivs, instead
2293         of decreasing the cost of original ones.
2294         (get_address_cost): Indicate the complexity of the addressing mode 
2295         in comp_cost.
2296         (try_add_cand_for): Prefer using ivs not specific to some object.
2297         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2298
2299 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2300             Janis Johnson  <janis187@us.ibm.com>
2301
2302         PR target/34814
2303         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2304         (TARGET_INSTANTIATE_DECLS): Likewise.
2305         * target.h (expand_to_rtl_hook): New target hook.
2306         (instantiate_decls): Likewise.
2307         * function.c (instantiate_decl): Make non-static.  Rename to...
2308         (instantiate_decl_rtl): ... this.
2309         (instantiate_expr): Use instantiate_decl_rtl.
2310         (instantiate_decls_1): Likewise.
2311         (instantiate_decls): Likewise.
2312         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2313         * function.h (instantiate_decl_rtl): Add prototype.
2314         * cfgexpand.c (target.h): New include.
2315         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2316         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2317         (TARGET_INSTANTIATE_DECLS): Likewise.
2318         (TARGET_INITIALIZER): New target hooks added.
2319         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2320         New prototype.
2321         * config/rs6000/rs6000.c (tree-flow.h): New include.
2322         (machine_function): Add sdmode_stack_slot field.
2323         (rs6000_alloc_sdmode_stack_slot): New function.
2324         (rs6000_instantiate_decls): Likewise.
2325         (rs6000_secondary_memory_needed_rtx): Likewise.
2326         (rs6000_check_sdmode): Likewise.
2327         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2328         (TARGET_INSTANTIATE_DECLS): Likewise.
2329         (rs6000_hard_regno_mode_ok): Allow SDmode.
2330         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2331         (rs6000_emit_move): Handle SDmode.
2332         (function_arg_advance): Likewise.
2333         (function_arg): Likewise.
2334         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2335         SDmode var args for 32-bit compiles.
2336         (rs6000_secondary_reload_class): Handle SDmode.
2337         (rs6000_output_function_epilogue): Likewise.
2338         (rs6000_function_value): Simplify if statement.
2339         (rs6000_libcall_value): Likewise.
2340         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2341         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2342         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2343         (movsd_hardfloat): New define_insn.
2344         (movsd_softfloat): Likewise.
2345         (movsd_store): Likewise.
2346         (movsd_load): Likewise.
2347         (extendsddd2): Likewise.
2348         (extendsdtd2): Likewise.
2349         (truncddsd2): Likewise.
2350         (movdd_hardfloat64): Fixup comment.
2351         (UNSPEC_MOVSD_LOAD): New constant.
2352         (UNSPEC_MOVSD_STORE): Likewise.
2353
2354 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2355
2356         PR c++/34965
2357         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2358         TRUTH_XOR_EXPR.
2359         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2360         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2361         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2362         and TRUTH_XOR_EXPR.
2363
2364 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2365
2366         PR target/34794
2367         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2368         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2369         __LONGDOUBLE128 too.
2370         * config/rs6000/aix61.h: New file.
2371
2372 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2373
2374         PR rtl-optimization/34959
2375         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2376         popcount and parity rtxes the same mode as their operand.
2377         Truncate or extend the result to the return value's mode
2378         if necessary.
2379
2380 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2381
2382         PR target/34981
2383         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2384         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2385         to GOT_VERSION_REGNUM.
2386         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2387         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2388         * config/mips/mips.c (mips_emit_call_insn): New function.
2389         (mips_call_tls_get_addr): Call mips_expand_call directly.
2390         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2391         emit_call_insn.
2392         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2393         (mips_expand_call): Update the call to mips16_build_call_stub
2394         accordingly and a remove redundant condition.  Assert that MIPS16
2395         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2396         the call insn.
2397         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2398         TARGET_USE_GOT.
2399         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2400         (mips_avoid_hazard): Remove hazard_set handling.
2401         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2402         (UNSPEC_RESTORE_GP): ...this.
2403         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2404         (FAKE_CALL_REGNO): Rename to...
2405         (GOT_VERSION_REGNUM): ...this.
2406         (type): Add "ghost" value.  Add an associated insn reservation.
2407         (hazard_set): Remove.
2408         (exception_receiver): Rename to...
2409         (restore_gp): ...this and update the unspec identifier accordingly.
2410         (exception_receiver, nonlocal_got_receiver): New expanders.
2411         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2412         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2413         (set_got_version, update_got_version): New patterns.
2414
2415 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2416
2417         PR target/34970
2418         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2419
2420 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2421
2422         PR other/31955
2423         * doc/install.texi2html: Generate gcc-vers.texi.
2424
2425 2008-01-25  DJ Delorie  <dj@redhat.com>
2426
2427         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2428
2429 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2430
2431         * config/c4x: Remove directory.
2432         * config.gcc (crx-*, mt-*): Mark obsolete.
2433         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2434         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2435         sh-*-rtemscoff*): Remove cases.
2436         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2437         * real.c (encode_c4x_single, decode_c4x_single,
2438         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2439         c4x_extended_format): Remove.
2440         * real.h (c4x_single_format, c4x_extended_format): Remove.
2441         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2442         on C4x.
2443         (Pragmas): Remove comment about c4x pragmas.
2444         * doc/install.texi (c4x): Remove target-specific instructions.
2445         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2446         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2447         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2448         refer to C4x source files as examples.
2449         (C4X_FLOAT_FORMAT): Remove documentation.
2450
2451 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2452
2453         * config/bfin/bfin.c (override_options): Reorder tests so that
2454         flag_pic gets enabled for -msep-data.
2455
2456 2008-01-25  Richard Guenther  <rguenther@suse.de>
2457
2458         PR middle-end/32244
2459         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2460         to its bitfield precision if required.
2461
2462 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2463
2464         PR middle-end/33880
2465         * tree-nested.c (walk_omp_for): New function.
2466         (convert_nonlocal_reference, convert_local_reference): Call
2467         walk_omp_for on OMP_FOR.
2468         (convert_call_expr): Call walk_body on OMP_FOR's
2469         OMP_FOR_PRE_INIT_BODY.
2470
2471 2008-01-25  Richard Guenther  <rguenther@suse.de>
2472
2473         PR tree-optimization/34966
2474         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2475         default defs and PHI_NODEs we have to insert after the
2476         defining statement.
2477
2478 2008-01-24  Nick Clifton  <nickc@redhat.com>
2479
2480         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2481         Provide a default definition.
2482         (LIBGCC2_UNITS_PER_WORD): Likewise.
2483
2484         * config/stormy16/stormy16.c: Include df.h for the prototype
2485         for df_regs_ever_live_p.
2486         (xstormy16_expand_builtin_va_start): Convert the stack offset
2487         into a component_ref and then use POINTER_PLUS_EXPR to add it
2488         to the incoming_virtual_args_rtx.
2489         (xstormy16_gimplify_va_arg_expr): Rename to
2490         xstormy16_gimplify_va_arg_expr.
2491         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2492         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2493         xstormy16_gimplify_va_arg_expr.
2494         Fix up some formatting issues.
2495
2496         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2497         Move to predicates.md.
2498         (xs_hi_general_operand): Likewise.
2499         (xs_hi_nonmemory_operand): Likewise.
2500         * config/stormy16/predicates.md:
2501         (xstormy16_carry_plus_operand): New predicate.
2502         (xs_hi_general_operand): New predicate.
2503         (xs_hi_nonmemory_operand): New predicate.
2504         * config/stormy16/stormy16-protos.h:
2505         (xstormy16_carry_plus_operand): Delete prototype.
2506         (xs_hi_general_operand): Likewise.
2507         (xs_hi_nonmemory_operand): Likewise.
2508
2509         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2510         modifiers as they are no longer needed and they can trigger
2511         reload spill failures.
2512
2513         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2514         with a match_operand in order to help reload.
2515
2516         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2517         constraint with 'e' for the 8th alternative as this version of
2518         the mov.w instruction only accepts the lower 8 registers.
2519
2520 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2521
2522         PR target/34856
2523         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2524         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2525         vector elements.
2526
2527 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2528
2529         PR middle-end/33333
2530         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2531
2532 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2533
2534         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2535         New functions.
2536         (remove_structure): Update allocations list before removing structure.
2537         
2538 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2539
2540         * ipa-struct-reorg.c (is_safe_cond_expr, 
2541         create_new_stmts_for_cond_expr): Use integer_zerop function,
2542         that recognize not only zero-pointer, but zero-integer too.
2543
2544 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2545
2546         PR other/22232
2547         * fixproto: Escape "." in sed expression that strips leading "./".
2548
2549 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2550
2551         PR driver/34904
2552         * gcc.c (SWITCH_OK): Removed.
2553         (SWITCH_LIVE): Changed to bit.
2554         (SWITCH_FALSE): Likewise.
2555         (SWITCH_IGNORE): Likewise.
2556         (switchstr): Change live_cond to unsigned int.
2557         (process_command): Replace SWITCH_OK with 0.
2558         (do_self_spec): Likewise.
2559         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2560         (give_switch): Likewise.
2561         (used_arg): Likewise.
2562         (do_spec_1): Set the SWITCH_IGNORE bit.
2563         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2564         bits.  Set the SWITCH_LIVE bit.
2565
2566 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2567
2568         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2569
2570 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2571
2572         PR tree-optimization/34472
2573         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2574         parameter to a "bool *" and set *DATA to false if there is
2575         an unsafe access.  Do not delete the structure here.
2576         (check_cond_exprs): Delete it here instead.
2577         (check_cond_exprs, exclude_cold_structs): Do not increase
2578         I when removing a structure.
2579
2580 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2581
2582         PR target/34856
2583         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2584         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2585
2586 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2587
2588         PR middle-end/34934
2589         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2590         a fixed vector for stack.
2591
2592 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2593
2594         PR c++/25701
2595         * doc/gcc.texi (Software development): Add a direntry for g++.
2596         
2597 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2598
2599         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2600         stale and straggling -fforce-addr comments above.
2601
2602         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2603         define.
2604         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2605         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2606
2607 2008-01-23  Michael Matz  <matz@suse.de>
2608
2609         PR debug/34895
2610         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2611         gen_type_die.
2612
2613 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2614
2615         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2616         malloc result type.
2617
2618 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2619
2620         * config/avr/avr.c (avr_current_arch): New variable.
2621         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2622         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2623         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2624         (avr_override_options): Init 'avr_current_arch'. 
2625         (base_arch_s): Move from here...
2626         * config/avr/avr.h (base_arch_s): ... here. Add new members 
2627         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
2628         'mega' to 'have_jmp_call'.
2629         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
2630         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2631         macros.
2632         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
2633         architectures.
2634         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
2635         MULTILIB_MATCHES): (Ditto.).
2636
2637 2008-01-23  Richard Guenther  <rguenther@suse.de>
2638
2639         PR middle-end/31529
2640         * cgraphunit.c (cgraph_reset_node): Always mark the node
2641         not reachable if it is not queued already.
2642
2643 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2644
2645         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2646         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2647         (cputype_selected): New static variable.
2648         (bfin_handle_option): Set it if -mcpu is used.
2649         (override_option): Select default set of workarounds if no cpu type
2650         selected on the command line.
2651         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2652
2653         From  Michael Frysinger  <michael.frysinger@analog.com>
2654         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2655         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2656
2657         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2658         for bf547, bf523, bf524, and bf526.
2659         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2660         bf526.
2661         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2662         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2663         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2664         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2665         * doc/invoke.texi (Blackfin Options): Document that
2666         -mcpu now accept bf547, bf523, bf524, and bf526.
2667
2668 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2669
2670         PR rtl-optimization/34628
2671         * combine.c (try_combine): Stop and undo after the first combination
2672         if an autoincrement side-effect on the first insn has effectively
2673         been lost.
2674
2675 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2676
2677         PR target/34529
2678         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2679         Offset addresses are not valid for Altivec or paired float modes.
2680
2681 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2682
2683         PR c++/34607
2684         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2685         if DECL_INITIAL (decl) is error_mark_node.
2686
2687         PR c++/34914
2688         * c-common.c (handle_vector_size_attribute): Only allow
2689         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2690         the same way as pointer, array etc. types.
2691         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2692
2693         PR c++/34917
2694         * tree.c (build_type_attribute_qual_variant): Call
2695         build_qualified_type if attributes are equal, but quals are not.
2696
2697 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2698
2699         PR 32102
2700         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2701         * flags.h (warn_strict_aliasing): Remove.
2702         (warn_strict_overflow): Remove.
2703         * opts.c (warn_strict_aliasing): Remove.
2704         (warn_strict_overflow): Remove.
2705         * c-opts.c (c_common_handle_option): -Wall only sets
2706         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2707         (c_common_post_options): Give default values to -Wstrict-aliasing
2708         and -Wstrict-overflow if they are uninitialized.
2709         * common.opt (Wstrict-aliasing): Specify Var and Init.
2710         (Wstrict-overflow): Likewise.
2711
2712 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2713
2714         PR rtl-optimization/26854
2715         PR rtl-optimization/34400
2716         PR rtl-optimization/34884
2717         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2718         DF_RD->gen.
2719         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2720         (df_rd_bb_info.expanded_lr_out): Deleted
2721         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2722         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2723         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2724         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2725         Removed code to allocate, initialize or free expanded_lr_out.
2726         (df_rd_bb_local_compute_process_def): Restructured to make more
2727         understandable.
2728         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2729         sets if the sets are being trimmed.
2730
2731 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2732
2733         PR bootstrap/32287
2734         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2735         (as_vers): Likewise.
2736         * configure: Regenerated.
2737
2738 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2739
2740         PR middle-end/33092
2741         * tree-pass.h (pass_build_alias): New pass.
2742         * tree-ssa-alias.c (gate_build_alias): New.
2743         (pass_build_alias): New.
2744         * passes.c (init_optimization_passes): Add pass_build_alias after
2745         pass_create_structure_vars.
2746
2747 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2748
2749         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2750         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2751         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2752         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2753         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2754         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2755         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2756         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2757         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2758         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2759         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2760         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2761         * config/s390/s390.md (FP_ALL): New mode iterator.
2762         (_d): New mode attribute.
2763         ("*signbit<mode>2>"): Changed mode of first operand.
2764         ("isinf<mode>2"): Changed mode of first operand.
2765         ("*TDC_insn"): Adaptation for DFP modes.
2766
2767 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2768
2769         * tree.c (check_qualified_type): Improve function description.
2770
2771 2008-01-21  Jason Merrill  <jason@redhat.com>
2772
2773         PR c++/34196
2774         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2775         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2776         if it is set.
2777
2778 2008-01-21  DJ Delorie  <dj@redhat.com>
2779
2780         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2781         return zero.
2782
2783 2008-01-21  Richard Guenther  <rguenther@suse.de>
2784
2785         PR middle-end/34856
2786         * tree-cfg.c (verify_expr): Allow all invariant expressions
2787         instead of just constant class ones as reference argument.
2788         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2789         like any other constant.
2790         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2791
2792 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2793
2794         * regmove.c (fixup_match_1): Update call crossed frequencies.
2795
2796 2008-01-21  Richard Guenther  <rguenther@suse.de>
2797
2798         PR c/34885
2799         * tree-inline.c (setup_one_parameter): Deal with mismatched
2800         types using a VIEW_CONVERT_EXPR.
2801
2802 2008-01-21  Alon Dayan  <alond@il.ibm.com>
2803             Olga Golovanevsky  <olga@il.ibm.com>
2804         
2805         PR tree-optimization/34701
2806         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
2807         when the structure size is not a power of 2.
2808
2809 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
2810
2811         * doc/install.texi: Add doc for --enable-checking=df.
2812         
2813 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2814
2815         PR rtl-optimization/34808
2816         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
2817
2818 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2819
2820         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
2821         input.
2822
2823 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2824
2825         PR rtl-optimization/26854
2826         PR rtl-optimization/34400
2827         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
2828         DF_RD->gen.
2829         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
2830         (df_rd_bb_info.expanded_lr_out): New.
2831         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
2832         * loop_iv.c (iv_analysis_loop_init): Ditto.
2833         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2834         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2835         Added code to allocate, initialize or free expanded_lr_out.
2836         (df_rd_bb_local_compute_process_def): Restructured to make
2837         more understandable.
2838         (df_rd_confluence_n): Add code to do nothing with fake edges and
2839         code to no apply invalidate_by_call sets if the sets are being trimmed.
2840         (df_lr_local_finalize): Renamed to df_lr_finalize.
2841         (df_live_local_finalize): Renamed to df_live_finalize.
2842
2843 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2844
2845         PR target/34831
2846         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
2847         deciding whether to use reciprocal instructions.
2848
2849 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
2850
2851         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
2852         dwarf2out_note_section_used if cold_text_section is NULL.
2853
2854 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
2855
2856         PR gcov-profile/34610
2857         * tree-cfg.c (make_edges): Mark both outgoing edges from
2858         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
2859         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
2860         from OMP_FOR and OMP_CONTINUE outgoing edges.
2861
2862         * tree-profile.c (tree_profiling): Return early if
2863         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
2864         at the end.
2865         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
2866         from cfun to child_cfun.
2867         * function.h (struct function): Add after_tree_profile bit.
2868
2869 2008-01-19 Anatoly Sokolov <aesok@post.ru>
2870
2871         * config/avr/avr.S (_exit): Disable interrupt.
2872
2873 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
2874             Steven Bosscher  <stevenb.gcc@gmail.com>
2875
2876         PR rtl-optimization/26854
2877         PR rtl-optimization/34400
2878         * df-problems.c (df_live_scratch): New scratch bitmap.
2879         (df_live_alloc): Allocate df_live_scratch when doing df_live.
2880         (df_live_reset): Clear the proper bitmaps.
2881         (df_live_bb_local_compute): Only process the artificial defs once
2882         since the order is not important.
2883         (df_live_init): Init the df_live sets only with the variables
2884         found live by df_lr.
2885         (df_live_transfer_function): Use the df_lr sets to prune the
2886         df_live sets as they are being computed.  
2887         (df_live_free): Free df_live_scratch.
2888
2889 2008-01-18  Ian Lance Taylor  <iant@google.com>
2890
2891         * common.opt: Add fmerge-debug-strings.
2892         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
2893         flag_merge_debug_strings rather than flag_merge_constants.
2894         * doc/invoke.texi (Option Summary): Mention
2895         -fmerge-debug-strings.
2896         (Debugging Options): Document -fmerge-debug-strings.
2897
2898 2008-01-18  Ian Lance Taylor  <iant@google.com>
2899
2900         PR c++/33407
2901         * tree.h (DECL_IS_OPERATOR_NEW): Define.
2902         (struct tree_function_decl): Add new field operator_new_flag.
2903         * tree-inline.c (expand_call_inline): When inlining a call to
2904         operator new, force the return value to go into a variable, and
2905         set DECL_NO_TBAA_P on that variable.
2906         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
2907
2908 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
2909
2910         PR debug/34484
2911         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
2912         DWARF2_DEBUGGING_INFO.
2913         (dwarf2out_note_section_used): Ditto.  Add prototype.
2914         (have_multiple_function_sections, text_section_used,
2915         cold_text_section_used, *cold_text_sections): Move declarations
2916         before their uses.
2917
2918 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
2919
2920         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
2921         field and add signal_ra.
2922         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
2923         assignments to frame state pc.  Move end of stack check after
2924         MD_FALLBACK_FRAME_STATE_FOR.
2925         (uw_update_context_1): Use frame state signal_regs if set, instead
2926         of checking signal_frame flag.
2927         (uw_update_context): Use frame state signal_ra if set.
2928         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
2929         * config/xtensa/linux-unwind.h: New file.
2930
2931 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
2932
2933         * modulo-sched.c (get_sched_window): Fix comment typo.
2934
2935 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
2936
2937         PR tree-optimization/34648
2938         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
2939
2940 2008-01-17  Anatoly Sokolov <aesok@post.ru>
2941
2942         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
2943         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
2944
2945 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
2946
2947         PR rtl-optimization/34400
2948         * df-core.c (df_worklist_dataflow_overeager,
2949         df_worklist_dataflow_doublequeue): New functions.
2950         (df_worklist_dataflow): Two different worklist solvers.
2951         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
2952         New param.
2953
2954 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2955
2956         PR testsuite/34821
2957         * doc/invoke.texi: Document the dependence on pthread for fopenmp
2958         and ftree-parallelize-loops.
2959
2960 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
2961
2962         PR rtl-optimization/34826
2963         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
2964
2965 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2966
2967         * global.c (find_reg): Mark the eh regs as used if necessary.
2968         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
2969         * ra.h (struct allocno): no_eh_reg field added.  Changed
2970         no_stack_reg type to bitfield.
2971
2972 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
2973
2974         * tree.c (substitute_in_expr): Add missing 'break'.
2975
2976 2008-01-17  Richard Guenther  <rguenther@suse.de>
2977
2978         PR tree-optimization/34825
2979         * tree-ssa-math-opts.c (is_division_by): Do not recognize
2980         x / x as division to handle.
2981
2982 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2983
2984         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
2985         "-pthread" is specified.
2986         * pa-hpux11.h (LIB_SPEC): Likewise.
2987
2988 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
2989             Peter Bergner  <bergner@vnet.ibm.com>
2990
2991         PR rtl-optimization/33796
2992         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
2993
2994 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2995
2996         PR libgfortran/34699
2997         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
2998         static links.
2999         * pa-hpux10.h (LINK_SPEC): Likewise.
3000         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3001
3002 2008-01-16  Richard Guenther  <rguenther@suse.de>
3003
3004         PR middle-end/32628
3005         * fold-const.c (fold_convert_const_int_from_int): Do not
3006         set overflow if that occured only because of a sign extension
3007         change when converting from/to a sizetype with the same
3008         precision and signedness.
3009
3010 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3011
3012         PR debug/34249
3013         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3014         location address to the correct place.  Update copyright year.
3015
3016 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3017
3018         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3019         no dependences in the dependence_relations vector.
3020
3021 2008-01-16  Jan Hubicka  <jh@suse.cz>
3022
3023         PR rtl-optimization/31396
3024         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3025         * cfg.c (dump_reg_info): Print it.
3026         * regs.h (struct reg_info_t): add freq_calls_crossed.
3027         (REG_FREQ_CALLS_CROSSED): New macro.
3028         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3029         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3030         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3031         regmove_optimize): Update call crossed frequencies.
3032         * local-alloc.c (struct qty): Add freq_calls_crossed.
3033         (alloc_qty): Copute freq_calls_crossed.
3034         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3035         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3036         * ra.h (struct allocno): Add freq_calls_crossed.
3037
3038 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3039
3040         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3041         libgomp when compiling with ftree-parallelize-loops.
3042         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3043
3044 2008-01-16  Richard Guenther  <rguenther@suse.de>
3045
3046         PR tree-optimization/34769
3047         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3048         * tree.c (int_cst_value): Instead make this function more
3049         permissive in what it accepts as valid input.  Document this
3050         function always sign-extends the value.
3051
3052 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
3053             Richard Guenther  <rguenther@suse.de>
3054
3055         PR c/34668
3056         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3057         (gimple_fold_indirect_ref_rhs): ... this.
3058         (gimple_fold_indirect_ref): New function with foldings
3059         that preserve lvalueness.
3060         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3061         * tree-flow.h (gimple_fold_indirect_ref): Declare.
3062         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3063         to fold an INDIRECT_REF, fall back to the old use of
3064         fold_indirect_ref_1.
3065
3066 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3067
3068         * tree-data-ref.c (subscript_dependence_tester_1): Call 
3069         free_conflict_function.
3070         (compute_self_dependence): Same.
3071
3072 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3073
3074         PR debug/34249
3075         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3076         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
3077         function global.
3078         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3079         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3080         for DWARF2_UNWIND_INFO targets.
3081
3082 2008-01-16  Richard Guenther  <rguenther@suse.de>
3083
3084         PR c/34768
3085         * c-typeck.c (common_pointer_type): Do not merge inconsistent
3086         type qualifiers for function types.
3087
3088 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
3089
3090         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3091         loop_iterator li from previous commit.
3092
3093 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3094
3095         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3096
3097 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3098
3099         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3100         (parallelize_loops): Don't parallelize irreducible components.
3101
3102 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3103
3104         PR c++/24924
3105         * c-opts (c_common_post_options): Do not enable CPP
3106         flag_pedantic_errors by default.
3107         
3108 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
3109
3110         PR rtl-optimization/31944
3111         * cse.c (remove_pseudo_from_table): New function.
3112         (merge_equiv_classes): Use above function to remove pseudo-registers.
3113         (invalidate): Likewise.
3114
3115 2008-01-13  Richard Guenther  <rguenther@suse.de>
3116
3117         PR middle-end/34601
3118         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3119         instead of TYPE_MODE to deal with calls from expand_one_error_var.
3120
3121 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
3122
3123         * gcse.c (cprop_jump): Call validate_unshare_change instead of
3124         validate_change to unshare the source of the PC set.
3125
3126 2008-01-12  Jan Hubicka  <jh@suse.cz>
3127
3128         PR middle-end/32135
3129         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3130         references above array bounds.  This might trigger bounds checks for
3131         pointers to arrays.
3132
3133 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3134
3135         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3136         new_replaceable_dependencies.
3137
3138 2008-01-12  Doug Kwan  <dougkwan@google.com>
3139
3140         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3141         instead of OPT_Wreturn_type in warning due to ignored return type
3142         qualifiers.
3143         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3144         options included in -Wextra.
3145         * c.opt: New option -Wignored_qualifiers.
3146         * doc/invoke.texi (Warning Options, -Wextra): Add new option
3147         -Wignore_qualifiers.
3148         (-Wignored-qualifiers): Document.
3149         (-Wreturn-type): Remove description of functionality now handled
3150         by -Wignored-qualifiers.
3151
3152 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
3153
3154         PR ada/33788
3155         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3156         NOP_EXPR if it is between integral types with the same precision.
3157
3158 2008-01-12  Jan Hubicka  <jh@suse.cz>
3159
3160         PR other/28023
3161         * invoke.texi (max-inline-recursive-depth): Fix default value.
3162
3163 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
3164
3165         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3166         correct type.
3167
3168 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
3169         
3170         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3171         
3172 2008-01-11  James E. Wilson  <wilson@specifix.com>
3173
3174         PR target/26015
3175         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3176
3177 2008-01-11  Anatoly Sokolov <aesok@post.ru>
3178
3179         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
3180         save/restore frame pointer register and don't use 'call-prologues' 
3181         optimization in function with "OS_task" attribute.
3182
3183 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3184
3185         PR middle-end/31309
3186         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3187         when copying to memory.
3188
3189 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
3190
3191         PR rtl-optimization/30905
3192         * cfgcleanup.c: Include dce.h
3193         (crossjumps_occured): New global variable.
3194         (try_crossjump_bb): Exit loop after finding a fallthru edge.
3195         If something changed, set crossjumps_occured to true.
3196         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3197         Don't add/remove fake edges to exit here...
3198         (cleanup_cfg): ...but do it here, when crossjumping.
3199         Run a fast DCE when successful crossjumps occured in the latest
3200         iteration of try_optimize_cfg.
3201
3202 2008-01-11  Richard Guenther  <rguenther@suse.de>
3203
3204         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3205         (struct vn_unary_op_s): Likewise.
3206         (vn_reference_insert): Free old reference on hash collision.
3207
3208 2008-01-10  Raksit Ashok  <raksit@google.com>
3209
3210         PR rtl-optimization/27971
3211         * combine.c (find_split_point): Split PLUS expressions which are
3212         inside a MEM rtx, and whose first operand is complex.
3213
3214 2008-01-10  DJ Delorie  <dj@redhat.com>
3215
3216         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
3217         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
3218         (m32c_hard_regno_ok): Call the underlying function.
3219
3220 2008-01-10  Richard Guenther  <rguenther@suse.de>
3221
3222         PR middle-end/34683
3223         * tree-cfg.c (tree_merge_blocks): Do not go through the
3224         full-blown folding and stmt updating path if we just deal
3225         with virtual operands.
3226         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3227         test for abnormal SSA_NAMEs.
3228
3229 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3230
3231         PR middle-end/34641
3232         * reload.c (push_reload): Add assertions.  All constants from
3233         reg_equiv_constant should have been used for replacing the respective
3234         pseudo earlier.
3235         (find_reloads_address): Invoke find_reloads_address_part for
3236         constant taken from the reg_equiv_constant array.
3237
3238 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
3239
3240         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3241         field (valnum) the first in the struct.  Replace bools with
3242         unit bit fields.
3243
3244 2008-01-10  Richard Guenther  <rguenther@suse.de>
3245
3246         PR tree-optimization/34651
3247         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
3248         types and ordering for masking and converting.
3249
3250 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
3251
3252         PR tree-optimization/34017
3253         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3254         also for PHI_NODE expressions.
3255
3256 2008-01-09  Jan Hubicka  <jh@suse.cz>
3257
3258         PR tree-optimization/34708
3259         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3260         based on number of case labels.
3261         (init_inline_once): Remove switch_cost.
3262         * tree-inline.h (eni_weights_d): Remove switch_cost.
3263
3264 2008-01-09  Richard Guenther  <rguenther@suse.de>
3265         Andrew Pinski  <andrew_pinski@playstation.sony.com>
3266
3267         PR middle-end/30132
3268         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3269         temporary if an rvalue is ok or an lvalue is not required.
3270
3271 2008-01-09  Richard Guenther  <rguenther@suse.de>
3272
3273         PR middle-end/34458
3274         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3275         adjust return type.
3276
3277 2008-01-09  Richard Guenther  <rguenther@suse.de>
3278
3279         PR middle-end/34679
3280         * tree.c (host_integerp): Check for sizetype only if the
3281         type is an integer type.
3282
3283 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3284
3285         PR debug/26364
3286         * opts.c (decode_options): Disable inlining of functions called
3287         once if not in unit-at-a-time mode.
3288
3289 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3290
3291         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3292
3293 2008-01-08  Richard Guenther  <rguenther@suse.de>
3294
3295         PR middle-end/31863
3296         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3297         out early if the result will be unused.
3298
3299 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3300
3301         PR target/34709
3302         Revert:
3303
3304         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3305         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3306         for TARGET_RECIP.       
3307         
3308 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3309         
3310         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3311         for vectorization tuned.
3312         
3313 2008-01-08  Richard Guenther  <rguenther@suse.de>
3314
3315         PR tree-optimization/34683
3316         * tree-ssa-operands.c (operand_build_cmp): Export.
3317         * tree-ssa-operands.h (operand_build_cmp): Declare.
3318         * tree-vn.c (vuses_compare): Remove.
3319         (sort_vuses): Use operand_build_cmp.
3320         (sort_vuses_heap): Likewise.
3321         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3322         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3323         (vdefs_to_vec): Do not sort already sorted VDEFs.
3324
3325 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3326
3327         PR middle-end/34694
3328         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3329
3330 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3331
3332         PR target/34702
3333         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3334         limitations of reciprocal sequences on x86 targets.
3335
3336 2008-01-08  Richard Guenther  <rguenther@suse.de>
3337
3338         PR tree-optimization/34683
3339         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3340
3341 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3342
3343         PR target/34622
3344         * config/darwin.c (darwin_mergeable_string_section): Don't use
3345         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3346
3347 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3348
3349         PR target/34682
3350         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3351         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3352         predicates of op0 and op1 to register_operand.
3353         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3354         expander using X87MODEF mode iterator.  Change predicates of
3355         op0 and op1 to register_operand.
3356         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3357         corresponding patterns and macroize using MODEF macro.  Change
3358         predicates of op0 and op1 to register_operand and remove
3359         "m" constraint. Disparage "r" alternative with "!".
3360         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3361         macroize using X87MODEF macro.  Change predicates of op0 and op1
3362         to register_operand and remove "m" constraint.  Disparage "r"
3363         alternative with "!".
3364         (absneg splitter with memory operands): Remove.
3365         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3366         patterns and macroize using X87MODEF mode iterator.
3367         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3368         Change predicate of op1 to register_operand.
3369         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3370         for memory operands.
3371
3372 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3373
3374         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3375
3376 2008-01-07  Richard Guenther  <rguenther@suse.de>
3377
3378         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3379         fields.
3380
3381 2008-01-07  Richard Guenther  <rguenther@suse.de>
3382
3383         PR tree-optimization/34683
3384         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3385         VOPs of the needed size to save memory.  Use VEC_quick_push
3386         to save compile-time.
3387         (vdefs_to_vec): Likewise.
3388
3389 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3390
3391         * config/spu/spu.md (divdf3): Genetate inline code for double
3392         division.  The implementation doesn't handle INF or NAN, therefore it
3393         only applies when -ffinite-math-only is given.
3394
3395 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3396
3397         PR libstdc++/34680
3398         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3399         * doc/cpp.texi ([Common Predefined Macros]): Document.
3400
3401 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3402
3403         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3404         order to use commutative addition instead of subtraction.
3405
3406 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3407             Mircea Namolaru  <namolaru@il.ibm.com>
3408             Vladimir Yanovsky  <yanov@il.ibm.com>
3409             Revital Eres  <eres@il.ibm.com>
3410
3411         PR tree-optimization/34263
3412         * tree-outof-ssa.c (process_single_block_loop_latch,
3413         contains_tree_r): New functions.
3414         (analyze_edges_for_bb): Call process_single_block_loop_latch
3415         function to empty single-basic-block latch block if possible.
3416
3417 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3418
3419         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3420         for TARGET_RECIP.
3421         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3422
3423 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3424
3425         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3426
3427 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3428
3429         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3430
3431 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3432
3433         PR tree-optimization/34618
3434         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3435         flag from T.
3436
3437 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3438
3439         PR target/34673
3440         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3441         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3442         Update copyright year.
3443
3444         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3445         Update copyright year.
3446         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3447         using NR fixup.
3448
3449 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3450
3451         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3452         edge does not point to current bb before changing need_assert.
3453
3454 2008-01-04  Richard Guenther  <rguenther@suse.de>
3455
3456         PR middle-end/34029
3457         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3458         for verifying purposes if they are is_gimple_min_invariant.
3459
3460 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3461
3462         PR tree-optimization/34448
3463         PR tree-optimization/34465
3464         * gimplify.c (gimplify_init_constructor): Add new parameter
3465         notify_temp_creation.  Use it.
3466         (gimplify_modify_expr_rhs): Take volatiles into account when
3467         optimizing constructors.
3468         Do not optimize constructors if gimplify_init_constructor will dump to
3469         memory.
3470         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3471         * gcc.c-torture/compile/pr34448.c: New.
3472
3473 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3474
3475         PR gcov-profile/34609
3476         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3477         return_slot if result is TREE_ADDRESSABLE.
3478
3479 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3480
3481         * config/mips/mips.md (sqrt_condition): Tweak comment.
3482         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3483
3484 2008-01-03  Tom Tromey  <tromey@redhat.com>
3485
3486         PR c/34457
3487         * c-common.c (c_type_hash): Handle VLAs.
3488
3489 2008-01-03  Jan Hubicka  <jh@suse.cz>
3490
3491         PR tree-optimization/31081
3492         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3493         0 when inlining and not inlining to first basic block.
3494         (remap_decl): When var is initialized to 0, don't set default_def.
3495         (expand_call_inline): Set entry_bb.
3496         * tree-inline.h (copy_body_data): Add entry_bb.
3497
3498 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3499
3500         PR c++/34619
3501         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3502         before returning.
3503
3504         PR tree-optimization/29484
3505         * tree-inline.c (inline_forbidden_p_2): New function.
3506         (inline_forbidden_p): Disallow inlining if some static var
3507         has an address of a local LABEL_DECL in its initializer.
3508         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3509         vs. inlining.
3510
3511 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3512
3513         PR tree-optimization/34635
3514         * tree-data-ref.c (add_other_self_distances): Make sure that the
3515         evolution step is constant.
3516
3517 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3518
3519         PR middle-end/34608
3520         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3521
3522 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3523
3524         * tree-sra.c (scalarize_init): Insert the generate_element_init
3525         statements after the generate_element_zero statements.
3526
3527 2008-01-02  Richard Guenther  <rguenther@suse.de>
3528
3529         PR middle-end/34093
3530         PR middle-end/31976
3531         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3532         for very large number of operands instead of ICEing.
3533
3534 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3535
3536         PR target/34013
3537         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3538         while stack probing.
3539
3540 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3541
3542         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3543         in C++0x mode.
3544
3545 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3546
3547         PR libmudflap/26442
3548         * tree-mudflap.c (mx_register_decls): Guard warning by
3549         !DECL_ARTIFICIAL check.
3550
3551 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3552
3553         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3554         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3555         sse5_perm<mode>): Fix constraints.