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