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