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2008-03-08 Uros Bizjak <ubizjak@gmail.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2
3         PR target/22152
4         * config/i386/i386-modes.def (V1DI): New vector mode.
5         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
6         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
7         (MMXMODE248): Ditto.
8         (MMXMODE): Add V1DI mode.
9         (mmxvecsize): Change DI mode to V1DI mode.
10         ("mov<mode>): Use MMXMODEI8 mode iterator.
11         ("*mov<mode>_internal_rex64"): Ditto.
12         ("*mov<mode>_internal"): Ditto.
13         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
14         ("mmx_sub<mode>3"): Ditto.
15         ("mmx_adddi3"): Remove insn pattern.
16         ("mmx_subdi3"): Ditto.
17         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
18         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
19         ("mmx_ashl<mode>3"): Ditto.
20         ("mmx_lshrdi3"): Remove insn pattern.
21         ("mmx_ashldi3"): Ditto.
22         * config/i386/i386.c (classify_argument): Handle V1DImode.
23         (function_arg_advance_32): Ditto.
24         (function_arg_32): Ditto.
25         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
26         mmx_addv1di3 insn pattern.
27         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
28         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
29         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
30         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
31         Remove definitions of built-in functions.
32         (V1DI_type_node): New node.
33         (v1di_ftype_v1di_int): Ditto.
34         (v1di_ftype_v1di_v1di): Ditto.
35         (v2si_ftype_v2si_si): Ditto.
36         (v4hi_ftype_v4hi_di): Remove node.
37         (v2si_ftype_v2si_di): Ditto.
38         (ix86_init_mmx_sse_builtins): Handle V1DImode.
39         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
40         Redefine builtins using def_builtin_const with *_ftype_*_int node.
41         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
42         Add new builtins using def_builtin_const.
43         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
44         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
45         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
46         * config/i386/mmintrin.h (__v1di): New typedef.
47         (_mm_add_si64): Cast arguments to __v1di type.
48         (_mm_sub_si64): Ditto.
49         (_mm_sll_pi16): Cast __count to __v4hi type.
50         (_mm_sll_pi32): Cast __count to __v2si type.
51         (_mm_sll_si64): Cast arguments to __v1di type.
52         (_mm_srl_pi16): Cast __count to __v4hi type.
53         (_mm_srl_pi32): Cast __count to __v2si type.
54         (_mm_srl_si64): Cast arguments to __v1di type.
55         (_mm_sra_pi16): Cast __count to __v4hi type.
56         (_mm_sra_pi32): Cast __count to __v2si type.
57         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
58         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
59         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
60         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
61         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
62         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
63         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
64         (_mm_srai_pi32): Use __builtin_ia32_psradi.
65         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
66         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
67         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
68         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
69
70 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
71
72         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
73
74 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
75
76         PR target/35373
77         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
78         reg+const addressing for Altivec modes.  Don't generate reg+reg
79         addressing for TFmode or TDmode quantities.
80
81 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
82
83         * c-common.c (vector_types_convertible_p): Call langhook
84         instead of comptypes.
85
86 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
87
88         PR tree-opt/35402
89         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
90         integral and scalar float variables which have a
91         NULL DECL_INITIAL.
92
93 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
94
95         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
96         dwarf_register_span hook when emitting unwind information for
97         register-to-memory saves.
98         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
99         (rs6000_frame_related): Remove call to spe_synthesize_frame.
100
101 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
102
103         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
104         for the same VAR_DECL.
105
106 2008-03-06  Tom Tromey  <tromey@redhat.com>
107
108         * treelang: Delete.
109         * doc/standards.texi (Standards): Don't mention treelang.
110         * doc/invoke.texi (Overall Options): Don't mention treelang.
111         * doc/install.texi (Prerequisites): Don't mention bison or
112         treelang.
113         (Configuration): Don't mention treelang.
114         (Building): Likewise.
115         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
116
117 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
118
119         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
120         word-extractions out of a multi-word object.
121
122 2008-03-06  Richard Guenther  <rguenther@suse.de>
123
124         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
125         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
126         result type and precision.
127         * expr.c (get_inner_reference): Set unsignedp based on the result
128         type of BIT_FIELD_REF.
129         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
130         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
131         (try_instantiate_multiple_fields): Likewise.  Use the correct type
132         for BIT_FIELD_REF.
133         (sra_build_assignment): Likewise.
134         (sra_build_elt_assignment): Likewise.
135         (sra_explode_bitfield_assignment): Likewise.
136         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
137         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
138         set BIT_FIELD_REF_UNSIGNED.
139         (vectorizable_load): Likewise.
140
141 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
142
143         * cse.c (cse_extended_basic_block): Invalidate artificial defs
144         at bb start.
145
146 2008-03-06  Richard Guenther  <rguenther@suse.de>
147
148         * alias.c (struct alias_set_entry): Move has_zero_child field
149         to pack with alias_set.
150
151 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
152
153         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
154         32bit host.
155
156 2008-03-05  Ian Lance Taylor  <iant@google.com>
157
158         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
159
160 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
161
162         * fwprop.c (update_df): Support width and offset parameters of
163         df_ref_create.
164         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
165         global_conflicts): Change DF_REF_EXTRACT to either
166         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
167         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
168         * df-scan.c (df_ref_record, df_defs_record,
169         df_ref_create_structure, df_def_record_1, df_uses_record,
170         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
171         df_bb_refs_collect, df_entry_block_defs_collect,
172         df_exit_block_uses_collect): Support new width and offset fields.
173         (ref_extract_pool): New storage pool.
174         (df_free_ref): New function.
175         (df_reg_chain_unlink, df_free_collection_rec,
176         df_sort_and_compress_refs): Call df_free_ref.
177         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
178         of df_ref_extract.
179         (df_ref_create_structure): Allocate df_ref_extract if offset and
180         width fields are used.
181         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
182         (df_uses_record): Get offset and width from ZERO_EXTRACT 
183         and SIGN_EXTRACT.
184         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
185         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
186         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
187         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
188         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
189         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
190         (df_ref_extract): New structure.
191         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
192         (df_ref_create): Add width and offset parameters.
193         
194 2008-03-05  Richard Guenther  <rguenther@suse.de>
195
196         * tree-ssa-structalias.c (get_constraint_for_component_ref):
197         Use ranges_overlap_p.
198         (offset_overlaps_with_access): Rename
199         to ranges_overlap_p and move ...
200         * tree-flow-inline.h (ranges_overlap_p): ... here.
201
202         * tree.h (get_inner_reference, handled_component_p): Update
203         comments.
204
205         * tree.h (record_component_aliases, get_alias_set,
206         alias_sets_conflict_p, alias_sets_must_conflict_p,
207         objects_must_conflict_p): Move declarations ...
208         * alias.h (record_component_aliases, get_alias_set,
209         alias_sets_conflict_p, alias_sets_must_conflict_p,
210         objects_must_conflict_p): ... here.
211         Include coretypes.h.
212         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
213
214 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
215
216         * cfg.c: Include tree-flow.h.
217         (remove_edge_raw): Call redirect_edge_var_map_clear.
218         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
219         * tree-flow-inline.h (redirect_edge_var_map_def): New.
220         (redirect_edge_var_map_result): New.
221         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
222         PENDING_STMT use with redirect_edge_var_map_*.
223         * tree-ssa.c (edge_var_maps): New definition.
224         (redirect_edge_var_map_add): New.
225         (redirect_edge_var_map_clear): New.
226         (redirect_edge_var_map_dup): New.
227         (redirect_edge_var_map_vector): New.
228         (redirect_edge_var_map_destroy): New.
229         (ssa_redirect_edge): Replace PENDING_STMT use with
230         redirect_edge_var_map_*.
231         (flush_pending_stmts): Same.
232         (delete_tree_ssa): Destroy edge var map.
233         * tree-flow.h (struct _edge_var_map): New.
234         Define edge_var_map vector type.
235         Declare redirect_edge_var_map_* prototypes.
236         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
237         * tree-cfg.c (reinstall_phi_args): Replace
238         PENDING_STMT use with redirect_edge_var_map_*.
239
240 2008-03-05  Richard Guenther  <rguenther@suse.de>
241
242         PR tree-optimization/35472
243         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
244         whose single use_stmt has a overlapping set of loaded and
245         stored symbols as that use_stmt might be a noop assignment then.
246
247 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
248
249         * gthr-rtems.h: Implement __gthread_mutex_destroy.
250
251 2008-03-05  Richard Guenther  <rguenther@suse.de>
252
253         PR c++/35336
254         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
255         should be constants.
256         * tree-cfg.c (verify_expr): Verify it.
257         * fold-const.c (fold_truthop): Remove code generating
258         BIT_FIELD_REFs of structure bases.
259         (fold_binary): Likewise.
260         (fold_ternary): Position and size of BIT_FIELD_REFs are
261         always host integers.
262         (make_bit_field_ref): Remove.
263         (optimize_bit_field_compare): Remove.
264         (all_ones_mask_p): Remove.
265
266 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
267
268         PR gcc/33009
269         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
270         (split_block_and_df_analyze): New. Split basic block and rebuild
271         dataflow.
272         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
273         SPLIT_BLOCK.
274         (split_pattern_seq): Likewise.
275         (erase_matching_seqs): Likewise.
276         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
277
278 2008-03-04  Geoff Keating  <geoffk@apple.com>
279
280         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
281         declaration and code.
282         (tree_invalid_nonnegative_warnv_p): Likewise.
283
284 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
285
286         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
287         examples.  Truncate option-names then causing overfull hbox.
288
289 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
290
291         PR target/35222
292         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
293         on hpux10.
294         * configure: Rebuilt.
295
296 2008-03-04  Rafael Espindola  <espindola@google.com>
297
298         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
299         (tree_unary_nonnegative_warnv_p): New.
300         (tree_binary_nonnegative_warnv_p): New.
301         (tree_single_nonnegative_warnv_p): New.
302         (tree_invalid_nonnegative_warnv_p): New.
303         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
304
305 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
306
307         PR 28322
308         * opts.c (handle_option): Postpone 'unknown option' errors only for
309         warning options.
310
311 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
312
313         PR target/35453
314         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
315         (_SIDD_XXX): This.
316
317 2008-03-04  Rafael Espindola  <espindola@google.com>
318
319         * fold-const.c (tree_unary_nonzero_warnv_p): New.
320         (tree_binary_nonzero_warnv_p): New.
321         (tree_single_nonzero_warnv_p): New.
322         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
323
324 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
325
326         PR middle-end/35456
327         * fold-const.c (fold_cond_expr_with_comparison): Prevent
328         transformations for modes that have signed zeros.
329         * ifcvt.c (noce_try_abs): Ditto.
330
331 >>>>>>> .r132956
332 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
333
334         * config/i386/i386.c (override_options): Force
335         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
336
337 2008-03-04  Jan Hubicka  <jh@suse.cz>
338
339         PR c++/35262
340         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
341         in last commit.
342
343 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
344
345         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
346         label to probe the stack.
347
348 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
349
350         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
351         (__gthr_win32_mutex_destroy): Declare.
352         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
353         __gthr_win32_mutex_destroy.
354         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
355
356 2008-03-03  Jan Hubicka  <jh@suse.cz>
357
358         PR c++/35262
359         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
360         aggressive on inlining cold calls.
361
362 2008-03-03  Richard Guenther  <rguenther@suse.de>
363
364         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
365         struct copies into the expression table.
366         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
367         (try_to_simplify): Likewise.
368         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
369         integral and pointer arguments which do not change the
370         precision to NOP_EXPRs.
371         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
372         VIEW_CONVERT_EXPR case.
373
374 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
375
376         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
377         defined in a loop at depth 0 is invariant.
378         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
379         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
380         be called at loop depth 0.
381
382 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
383
384         PR driver/35420
385         * gcc.c (process_command): Update copyright notice dates.
386         * gcov.c (print_version): Likewise.
387         * gcov-dump.c (print_version): Likewise.
388         * mips-tfile.c (main): Likewise.
389         * mips-tdump.c (main): Likewise.
390
391 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
392
393         PR 24924
394         * c-common.c (flag_permissive): Delete.
395         (constant_expression_warnings): Check flags first.
396         (constant_expression_error): New.
397         * c-common.h (flag_permissive): Delete.
398         (constant_expression_error): Declare.
399         * flags.h (flag_permissive): Declare. Update description.
400         * diagnostic.c (pedwarn): Update.
401         (permerror): New.
402         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
403         (permissive_error_kind): New.
404         * toplev.c (flag_permissive): Define. Update description.
405         * toplev.h (permissive_error_kind): Declare.
406         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
407         (pedwarn_c90): Use pedantic_warning_kind.
408         * c-opts.c (c_common_post_options): flag_permissive does not affect
409         flag_pedantic_errors.
410
411 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
412
413         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
414         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
415         __absvsi2, __absvDI2): Use unsigned arithmetic.
416
417 2008-03-02  Andi Kleen  <ak@suse.de>
418         Richard Guenther  <rguenther@suse.de>
419
420         * struct-equiv.c: Remove file.
421         * cfg_cleanup.c (condjump_equiv_p): Remove.
422         * Makefile.in (OBJS-common): Remove struct-equiv.o.
423         (struct-equiv.o): Remove rule.
424         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
425         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
426         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
427
428 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
429
430         * ifcvt.c (noce_process_if_block): Try to handle only the then
431         block if the else block exists but isn't suitable.
432
433 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
434
435         PR gcc/35063
436         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
437         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
438         regression from previous patch.
439
440 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
441
442         PR gcc/35063
443         * gthr.h: Add __gthread_mutex_destroy as a function that must be
444         implemented.
445         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
446         * gthr-single.h (__gthread_mutex_destroy): Likewise.
447         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
448         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
449         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
450         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
451         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
452         (__gthread_mutex_destroy_function): Rename to
453         __gthread_mutex_destroy.
454         * gthr-dce.h (__gthread_mutex_destroy): Call
455         pthread_mutex_destroy.
456         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
457         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
458         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
459
460 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
461
462         * df-scan.c (df_ref_chain_change_bb): Simplify.
463         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
464         set_block_for_insn if there's any change.
465         * df.h ((df_insn_change_bb): Fix prototype.
466         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
467         df_insn_change_bb, don't call set_block_for_insn.
468         * emit-rtl.c (reorder_insns): Likewise.
469         * haifa-sched.c (move_insn): Likewise.
470
471 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
472
473         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
474
475 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
476
477         * tree-flow-inline.h (next_readonly_imm_use): Return
478         NULL_USE_OPERAND_P after the end.
479
480 2008-03-01  Richard Guenther  <rguenther@suse.de>
481
482         PR tree-optimization/35411
483         * tree-sra.c (sra_build_assignment): Split conversion to
484         final type to a separate statement if we are not assigning
485         to a register.
486
487 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
488
489         * fold-const.c (fold_convertible_p): Correct the logic to follow
490         that in fold_convert().
491
492 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
493
494         PR c++/35315
495         * tree-inline.c (build_duplicate_type): When we make a
496         duplicate type, make it unique in the canonical types system.
497
498 2008-02-29  Tom Tromey  <tromey@redhat.com>
499
500         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
501         input_file_stack_history, input_file_stack_restored): Remove.
502         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
503         * input.h (struct file_stack): Remove.
504         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
505         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
506         Likewise.
507         * diagnostic.h (struct diagnostic_context) <last_module>: Change
508         type.
509         (diagnostic_last_module_changed): Add 'map' argument.
510         (diagnostic_set_last_function): Likewise.
511         * diagnostic.c (undiagnostic_report_current_module): Iterate using
512         line map, not input_file_stack.
513         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
514
515 2008-02-29  Paul Brook  <paul@codesourcery.com>
516
517         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
518
519 2008-02-29  Paul Brook  <paul@codesourcery.com>
520
521         * config/arm/ieee754-df.S (muldf3): Use RET macros.
522
523 2008-02-29  Richard Guenther  <rguenther@suse.de>
524
525         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
526         vn_lookup_or_add.
527         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
528         value for comparing for a store match.
529         (simplify_unary_expression): Do nothing for SSA_NAMEs.
530         (try_to_simplify): Do not do a full-blown reference lookup.
531
532 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
533
534         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
535         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
536
537         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
538
539 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
540
541         * tree-loop-linear.c (try_interchange_loops): Compare memory access
542         strides against cache sizes.
543
544 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
545
546         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
547         constant to fpul.
548
549 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
550
551         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
552         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
553         is smaller than the original promoted value.
554         (simplify_subreg): If OP is a SUBREG, try to preserve its
555         SUBREG_PROMOTED_VAR_P information.
556
557 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
558
559         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
560         (VN_INFO_GET): Allocate new objects on the obstack.
561         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
562         for rpo_numbers_temp, for consistency.
563         (free_scc_vn): Free the obstack.
564
565 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
566
567         * doc/invoke.texi: Document -ftree-loop-distribution.
568         * tree-loop-distribution.c: New.
569         * tree-pass.h (pass_loop_distribution): New.
570         * graphds.h (struct graph): Add htab_t indices.
571         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
572         * tree-vectorizer.c (rename_variables_in_loop): Extern.
573         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
574         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
575         * tree-data-ref.c (debug_data_dependence_relations): New.
576         (dump_data_dependence_relation): Also print data references.
577         (free_data_ref): Extern.
578         (same_access_functions): Moved...
579         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
580         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
581         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
582         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
583         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
584         (stmts_from_loop): Skip LABEL_EXPR.
585         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
586         New.
587         (build_rdg): Initialize rdg->indices htab.
588         (free_rdg, stores_from_loop, ref_base_address,
589         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
590         have_similar_memory_accesses_1, ref_base_address_1,
591         remove_similar_memory_refs): New.
592         * tree-data-ref.h: Depend on tree-chrec.h.
593         (debug_data_dependence_relations, free_data_ref): Declared.
594         (same_access_functions): ... here.
595         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
596         New.
597         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
598         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
599         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
600         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
601         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
602         rdg_vertex_for_stmt): Declared.
603         (struct rdg_edge): Add level.
604         (RDGE_LEVEL): New.
605         (free_rdg, stores_from_loop, remove_similar_memory_refs,
606         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
607         Declared.
608         (rdg_has_similar_memory_accesses): New.
609         * tree-vect-analyze.c: Remove unused static decls.
610         * lambda.h (dependence_level): New.
611         * common.opt (ftree-loop-distribution): New.
612         * tree-flow.h (mark_virtual_ops_in_bb, 
613         slpeel_tree_duplicate_loop_to_edge_cfg,
614         rename_variables_in_loop): Declared.
615         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
616         (OBJS-common): Add tree-loop-distribution.o.
617         (tree-loop-distribution.o): New rule.
618         * tree-cfg.c (mark_virtual_ops_in_bb): New.
619         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
620         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
621
622 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
623
624         PR target/33963
625         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
626         other than structures and unions.
627
628 2008-02-28  Richard Guenther  <rguenther@suse.de>
629
630         Revert:
631         2008-02-26  Richard Guenther  <rguenther@suse.de>
632
633         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
634         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
635         (lookup_decl_from_uid): Declare.
636         (remove_decl_from_map): Likewise.
637         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
638         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
639         (decl_for_uid_map): New global hashtable mapping DECL_UID
640         to the decl tree.
641         (init_ttree): Allocate it.
642         (insert_decl_to_uid_decl_map): New helper function.
643         (make_node_stat): Insert new decls into the map.
644         (copy_node_stat): Likewise.
645         (lookup_decl_from_uid): New function.
646         (remove_decl_from_map): Likewise.
647         (print_decl_for_uid_map_statistics): New helper.
648         (dump_tree_statistics): Call it.
649
650         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
651         (referenced_var_iterator): Adjust.
652         (FOR_EACH_REFERENCED_VAR): Adjust.
653         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
654         (num_referenced_vars): Adjust.
655         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
656         (first_referenced_var): Remove.
657         (end_referenced_vars_p): Likewise.
658         (next_referenced_var): Likewise.
659         (referenced_var_iterator_set): New helper function.
660         * tree-dfa.c (referenced_var_lookup): Adjust.
661         (referenced_var_check_and_insert): Likewise.
662         (remove_referenced_var): Likewise.
663         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
664         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
665         (verify_call_clobbering): Likewise.
666         (verify_memory_partitions): Likewise.
667         (init_tree_ssa): Allocate bitmap instead of hashtable for
668         referenced_vars.
669         (delete_tree_ssa): Adjust.
670         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
671         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
672         (compute_tag_properties): Likewise.
673         (set_initial_properties): Likewise.
674         (find_partition_for): Likewise.
675         (update_reference_counts): Likewise.
676         (dump_may_aliases_for): Likewise.
677         * tree-ssa-operands.c (add_virtual_operand): Likewise.
678         (add_call_clobber_ops): Likewise.
679         (add_call_read_ops): Likewise.
680         (get_asm_expr_operands): Likewise.
681         * tree-into-ssa.c (dump_decl_set): Likewise.
682         (update_ssa): Likewise.
683         * tree-sra.c (scan_function): Likewise.
684         (decide_instantiations): Likewise.
685         (scalarize_parms): Likewise.
686         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
687         (dsa_named_for): Likewise.
688         * tree-ssa-structalias.c (update_alias_info): Likewise.
689         (merge_smts_into): Likewise.
690
691 2008-02-27  David Daney  <ddaney@avtrex.com>
692
693         PR target/34409
694         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
695         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
696         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
697         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
698         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
699
700 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
701
702         PR target/25477
703         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
704         (BUILT_IN_NEXTTOWARD): Remove.
705         (BUILT_IN_NEXTTOWARDF): Ditto.
706         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
707         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
708
709 2008-02-27  Tom Tromey  <tromey@redhat.com>
710
711         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
712         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
713
714 2008-02-27  Jan Beulich  <jbeulich@novell.com>
715
716         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
717         update the respective field on newdecl.
718
719 2008-02-27  Revital Eres  <eres@il.ibm.com>
720
721         PR rtl-optimization/34999
722         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
723         crossing edges that ends with a call insn.
724         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
725         call insn and clear the EDGE_CROSSING flag of the crossing edge
726         when fixing fallthru edges.
727
728 2008-02-27  Richard Guenther  <rguenther@suse.de>
729
730         PR middle-end/35390
731         * fold-const.c (fold_unary): Return the correct argument,
732         converted to the result type.
733
734 2008-02-27  Richard Guenther  <rguenther@suse.de>
735
736         PR middle-end/34971
737         * expr.c (expand_expr_real_1): Assert on rotates that operate
738         on partial modes.
739         * fold-const.c (fold_binary): Use the types precision, not the
740         bitsize of the mode if folding rotate expressions.  Build rotates
741         only for full modes.
742
743 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
744
745         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
746         and CPP_PRAGMA_EOL.
747         * c-pragma.c (pragma_ns_name): New typedef.
748         (registered_pp_pragmas): New variable.
749         (c_pp_lookup_pragma): New function.
750         (c_register_pragma_1): If flag_preprocess_only, do nothing
751         for non-expanded pragmas, for expanded ones push pragma's
752         namespace and name into registered_pp_pragmas vector.
753         (c_invoke_pragma_handler): Register OpenMP pragmas even when
754         flag_preprocess_only, don't register GCC pch_preprocess
755         pragma if flag_preprocess_only.
756         * c-opts.c (c_common_init): Call init_pragma even if
757         flag_preprocess_only.
758         * c-pragma.c (c_pp_lookup_pragma): New prototype.
759         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
760         cpp_register_pragma if flag_preprocess_only.
761
762 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
763
764         PR c/28800
765         * c-parser.c (c_parser_translation_unit): Warn for empty
766         translation unit, not empty source file.
767
768 2008-02-26  Paul Brook  <paul@codesourcery.com>
769
770         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
771         operand for Thumb-2.
772         * config/arm/arm.h (reg_class): Add CORE_REGS.
773         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
774         (BASE_REG_CLASS): Use CORE_REGS.
775         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
776         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
777         (REGNO_OK_FOR_INDEX_P): Exclude SP.
778         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
779         ARM_REGNO_OK_FOR_INDEX_P.
780         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
781         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
782         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
783         (ldm/stm peepholes): Ditto.
784         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
785         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
786         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
787         * config/arm/constraints.md: Enable "k" constraint on ARM.
788
789 2008-02-27  Ben Elliston  <bje@au.ibm.com>
790
791         * config/rs6000/rs6000.c: Annotate cache line size field in all
792         instances of struct processor_costs.
793
794 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
795
796         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
797         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
798         jump_bypass): New counters.
799         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
800         * dce.c (gate_ud_dce): Same.
801         (gate_fast_dce): Same.
802         * dse.c (gate_dse1): New function.
803         (gate_dse2): New function.
804         (gate_dse): Merge results of new gate functions.
805         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
806         (gate_handle_jump_bypass): Add dbg_cnt.
807         (gate_handle_gcse): Add dbg_cnt.
808         * ifcvt.c (gate_handle_if_conversion): Same.
809         (gate_handle_if_after_combine): Same.
810         (gate_handle_if_after_reload): Same.
811         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
812
813 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
814
815         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
816         line sizes.
817         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
818
819 2008-02-26  Jason Merrill  <jason@redhat.com>
820
821         PR c++/35315
822         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
823         alone if it's the naming decl for the type's main variant.
824
825 2008-02-26  Tom Tromey  <tromey@redhat.com>
826
827         * system.h (USE_MAPPED_LOCATION): Poison.
828         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
829         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
830         (make_goto_expr_edges): Likewise.
831         (remove_bb): Likewise.
832         (execute_warn_function_return): Likewise.
833         * basic-block.h (struct edge_def) <goto_locus>: Change type to
834         location_t.
835         * c-common.c (fname_decl): Remove old location code.
836         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
837         location code.
838         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
839         variant.
840         (ASM_INPUT_SOURCE_LOCATION): Likewise.
841         (gen_rtx_ASM_INPUT): Likewise.
842         (gen_rtx_ASM_INPUT_loc): Likewise.
843         (get_rtx_asm_OPERANDS): Remove.
844         * cfglayout.c (insn_locators_alloc): Remove old location code.
845         (set_curr_insn_source_location): Likewise.
846         (curr_insn_locator): Likewise.
847         * print-tree.c (print_node): Remove old location code.
848         * tree-mudflap.c (mf_varname_tree): Remove old location code.
849         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
850         * cfgexpand.c (expand_gimple_cond_expr): Don't use
851         location_from_locus.
852         (construct_exit_block): Remove old location code.
853         * emit-rtl.c (force_next_line_note): Remove old location code.
854         * profile.c (branch_prob): Remove old location code.
855         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
856         LOC_LINE): Remove old-location variants.
857         * langhooks.c (lhd_print_error_function): Remove old location
858         code.
859         * configure, config.in: Rebuilt.
860         * configure.ac (--enable-mapped-location): Remove.
861         * c-decl.c (c_init_decl_processing): Remove old location code.
862         (finish_function): Likewise.
863         * recog.c (decode_asm_operands): Remove old location code.
864         * c-pch.c (c_common_read_pch): Remove old location code.
865         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
866         variants.
867         * gimple-low.c (lower_function_body): Remove old location code.
868         * toplev.c (unknown_location): Remove.
869         (push_srcloc): Remove old-location variant.
870         (process_options): Remove old location code.
871         (lang_dependent_init): Likewise.
872         * input.h (UNKNOWN_LOCATION): Move definition.
873         (location_t): Undeprecate.
874         (source_locus): Remove.
875         (location_from_locus): Remove.
876         (struct location_s): Remove.
877         Remove all old-location code.
878         (input_line, input_filename): Remove.
879         * final.c (final_scan_insn): Remove old location code.
880         * diagnostic.c (diagnostic_build_prefix): Remove
881         USE_MAPPED_LOCATION test.
882         * tree.h (gimple_stmt) <locus>: Now a location_t.
883         (tree_exp) <locus>: Likewise.
884         (DECL_IS_BUILTIN): Remove old-location variant.
885         (annotate_with_file_line, annotate_with_locus): Likewise.
886         (expr_locus, set_expr_locus): Update.
887         * tree.c (build1_stat): Remove old location code.
888         (last_annotated_node): Remove.
889         (annotate_with_file_line): Remove old-location variant.
890         (annotate_with_locus): Likewise.
891         (expr_location): Remove old location code.
892         (set_expr_location): Likewise.
893         (expr_has_location): Likewise.
894         (expr_locus): Likewise.
895         (set_expr_locus): Likewise.
896         (expr_filename): Don't use location_from_locus.
897         (expr_lineno): Likewise.
898         * rtl-error.c (location_for_asm): Remove old location code.
899         * c-lex.c (cb_line_change): Remove old location code.
900         (fe_file_change): Likewise.
901         (cb_def_pragma): Likewise.
902         (c_lex_with_flags): Likewise.
903         * gengtype.c (do_typedef): Don't special-case location types.
904         (define_location_structures): Remove.
905         (main): Don't call define_location_structures.
906         * tree-pretty-print.c (dump_implicit_edges): Remove old location
907         code.
908
909 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
910
911         PR 26264
912         * builtins.def (BUILT_IN_STDARG_START): Remove.
913         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
914         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
915         * tree-inline.c (inline_forbidden_p_1): Likewise.
916         
917 2008-02-26  Richard Guenther  <rguenther@suse.de>
918
919         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
920         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
921         (lookup_decl_from_uid): Declare.
922         (remove_decl_from_map): Likewise.
923         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
924         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
925         (decl_for_uid_map): New global hashtable mapping DECL_UID
926         to the decl tree.
927         (init_ttree): Allocate it.
928         (insert_decl_to_uid_decl_map): New helper function.
929         (make_node_stat): Insert new decls into the map.
930         (copy_node_stat): Likewise.
931         (lookup_decl_from_uid): New function.
932         (remove_decl_from_map): Likewise.
933         (print_decl_for_uid_map_statistics): New helper.
934         (dump_tree_statistics): Call it.
935
936         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
937         (referenced_var_iterator): Adjust.
938         (FOR_EACH_REFERENCED_VAR): Adjust.
939         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
940         (num_referenced_vars): Adjust.
941         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
942         (first_referenced_var): Remove.
943         (end_referenced_vars_p): Likewise.
944         (next_referenced_var): Likewise.
945         (referenced_var_iterator_set): New helper function.
946         * tree-dfa.c (referenced_var_lookup): Adjust.
947         (referenced_var_check_and_insert): Likewise.
948         (remove_referenced_var): Likewise.
949         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
950         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
951         (verify_call_clobbering): Likewise.
952         (verify_memory_partitions): Likewise.
953         (init_tree_ssa): Allocate bitmap instead of hashtable for
954         referenced_vars.
955         (delete_tree_ssa): Adjust.
956         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
957         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
958         (compute_tag_properties): Likewise.
959         (set_initial_properties): Likewise.
960         (find_partition_for): Likewise.
961         (update_reference_counts): Likewise.
962         (dump_may_aliases_for): Likewise.
963         * tree-ssa-operands.c (add_virtual_operand): Likewise.
964         (add_call_clobber_ops): Likewise.
965         (add_call_read_ops): Likewise.
966         (get_asm_expr_operands): Likewise.
967         * tree-into-ssa.c (dump_decl_set): Likewise.
968         (update_ssa): Likewise.
969         * tree-sra.c (scan_function): Likewise.
970         (decide_instantiations): Likewise.
971         (scalarize_parms): Likewise.
972         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
973         (dsa_named_for): Likewise.
974         * tree-ssa-structalias.c (update_alias_info): Likewise.
975         (merge_smts_into): Likewise.
976
977 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
978
979         PR 34351
980         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
981         * c-opts.c (c_common_handle_option): Wall enables
982         Wvolatile-register-var.
983         * common.opt: Move Wvolatile-register-var to...
984         * c.opt: ...here.
985         
986 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
987
988         * common.opt (Wlarger-than=): New.
989         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
990         -Wlarger-than=.
991         * opts.c (common_handle_option): Handle -Wlarger-than=.
992         * optc-gen.awk: Likewise.
993         * opth-gen.awk: Likewise.
994         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
995         * tree-optimize.c (tree_rest_of_compilation): Likewise.
996         
997 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
998
999         * c-common.c (match_case_to_enum_1): Add appropriate
1000         OPT_W* parameter to warning.
1001         (c_do_switch_warnings): Likewise.
1002         * c-typeck.c (warning_init): Add one more parameter following
1003         'warning' function.
1004         (push_init_level): Update call to warning_init.
1005         (pop_init_level): Likewise.
1006         (add_pending_init): Likewise.
1007         (output_init_element: Likewise.
1008
1009 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1010
1011         PR 28322
1012         * toplev.c (toplev_main): If there are warnings or error, print
1013         errors for ignored options.
1014         * opts.c (ignored_options): New static variable.
1015         (postpone_unknown_option_error): New.
1016         (print_ignored_options): New.
1017         (handle_option): Postpone errors for unknown -Wno-* options.
1018         * opts.h (print_ignored_options): Declare.
1019         
1020 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1021
1022         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1023         to "ghost".
1024
1025 2008-02-25  Richard Guenther  <rguenther@suse.de>
1026
1027         Revert:
1028         2008-02-25  Richard Guenther  <rguenther@suse.de>
1029
1030         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1031         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1032         (lookup_decl_from_uid): Declare.
1033         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1034         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1035         (decl_for_uid_map): New global hashtable mapping DECL_UID
1036         to the decl tree.
1037         (init_ttree): Allocate it.
1038         (insert_decl_to_uid_decl_map): New helper function.
1039         (make_node_stat): Insert new decls into the map.
1040         (copy_node_stat): Likewise.
1041         (lookup_decl_from_uid): New function.
1042         (print_decl_for_uid_map_statistics): New helper.
1043         (dump_tree_statistics): Call it.
1044
1045         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1046         (referenced_var_iterator): Adjust.
1047         (FOR_EACH_REFERENCED_VAR): Adjust.
1048         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1049         (num_referenced_vars): Adjust.
1050         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1051         (first_referenced_var): Remove.
1052         (end_referenced_vars_p): Likewise.
1053         (next_referenced_var): Likewise.
1054         (referenced_var_iterator_set): New helper function.
1055         * tree-dfa.c (referenced_var_lookup): Adjust.
1056         (referenced_var_check_and_insert): Likewise.
1057         (remove_referenced_var): Likewise.
1058         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1059         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1060         (verify_call_clobbering): Likewise.
1061         (verify_memory_partitions): Likewise.
1062         (init_tree_ssa): Allocate bitmap instead of hashtable for
1063         referenced_vars.
1064         (delete_tree_ssa): Adjust.
1065         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1066         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1067         (compute_tag_properties): Likewise.
1068         (set_initial_properties): Likewise.
1069         (find_partition_for): Likewise.
1070         (update_reference_counts): Likewise.
1071         (dump_may_aliases_for): Likewise.
1072         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1073         (add_call_clobber_ops): Likewise.
1074         (add_call_read_ops): Likewise.
1075         (get_asm_expr_operands): Likewise.
1076         * tree-into-ssa.c (dump_decl_set): Likewise.
1077         (update_ssa): Likewise.
1078         * tree-sra.c (scan_function): Likewise.
1079         (decide_instantiations): Likewise.
1080         (scalarize_parms): Likewise.
1081         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1082         (dsa_named_for): Likewise.
1083         * tree-ssa-structalias.c (update_alias_info): Likewise.
1084         (merge_smts_into): Likewise.
1085
1086 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1087
1088         PR fortran/29549
1089         * doc/invoke.texi (-fcx-limited-range): Document new option.
1090         * toplev.c (process_options): Handle -fcx-fortran-rules.
1091         * common.opt: Add documentation for -fcx-fortran-rules.
1092
1093 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1094
1095         PR c/35162
1096         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1097         actual behaviour and C99.
1098         
1099 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1100
1101         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1102         (ASM_CPU_POWER6_SPEC): Likewise.
1103         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1104         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1105         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1106
1107 2008-02-25  Richard Guenther  <rguenther@suse.de>
1108
1109         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1110         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1111         (lookup_decl_from_uid): Declare.
1112         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1113         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1114         (decl_for_uid_map): New global hashtable mapping DECL_UID
1115         to the decl tree.
1116         (init_ttree): Allocate it.
1117         (insert_decl_to_uid_decl_map): New helper function.
1118         (make_node_stat): Insert new decls into the map.
1119         (copy_node_stat): Likewise.
1120         (lookup_decl_from_uid): New function.
1121         (print_decl_for_uid_map_statistics): New helper.
1122         (dump_tree_statistics): Call it.
1123
1124         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1125         (referenced_var_iterator): Adjust.
1126         (FOR_EACH_REFERENCED_VAR): Adjust.
1127         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1128         (num_referenced_vars): Adjust.
1129         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1130         (first_referenced_var): Remove.
1131         (end_referenced_vars_p): Likewise.
1132         (next_referenced_var): Likewise.
1133         (referenced_var_iterator_set): New helper function.
1134         * tree-dfa.c (referenced_var_lookup): Adjust.
1135         (referenced_var_check_and_insert): Likewise.
1136         (remove_referenced_var): Likewise.
1137         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1138         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1139         (verify_call_clobbering): Likewise.
1140         (verify_memory_partitions): Likewise.
1141         (init_tree_ssa): Allocate bitmap instead of hashtable for
1142         referenced_vars.
1143         (delete_tree_ssa): Adjust.
1144         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1145         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1146         (compute_tag_properties): Likewise.
1147         (set_initial_properties): Likewise.
1148         (find_partition_for): Likewise.
1149         (update_reference_counts): Likewise.
1150         (dump_may_aliases_for): Likewise.
1151         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1152         (add_call_clobber_ops): Likewise.
1153         (add_call_read_ops): Likewise.
1154         (get_asm_expr_operands): Likewise.
1155         * tree-into-ssa.c (dump_decl_set): Likewise.
1156         (update_ssa): Likewise.
1157         * tree-sra.c (scan_function): Likewise.
1158         (decide_instantiations): Likewise.
1159         (scalarize_parms): Likewise.
1160         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1161         (dsa_named_for): Likewise.
1162         * tree-ssa-structalias.c (update_alias_info): Likewise.
1163         (merge_smts_into): Likewise.
1164
1165 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1166
1167         PR target/35258
1168         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1169         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1170         * alias.h (nonoverlapping_memrefs_p): Likewise.
1171
1172 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1173
1174         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1175         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1176         __emultls_get_address, __emultls_register_common,
1177         __floatundi?f, and _Unwind_GetIPInfo.
1178         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1179         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1180         (gen_regparm_prefix): Likewise.
1181         (i386_nlm_encode_section_info): Sync with
1182         config/i386/winnt.c:i386_pe_encode_section_info().
1183         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1184         i386_nlm_mangle_decl_assembler_name): New.
1185         (netware_override_options): New.
1186         * config/i386/netware.h (netware_override_options): Declare.
1187         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1188         (i386_nlm_mangle_decl_assembler_name): Declare.
1189         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1190
1191 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1192
1193         PR other/32948
1194         * c-decl.c (grokdeclarator): Remove unused local variables
1195         `typedef_type' and `type_as_written'.
1196         * bb-reorder.c
1197         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1198         unused local variable `has_hot_blocks'.
1199         (fix_crossing_conditional_branches): Remove unused local variable
1200         `prev_bb'.
1201         
1202 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1203
1204         PR middle-end/19984
1205         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1206         using DEF_C99_BUILTIN.
1207         (BUILT_IN_NANF): Ditto.
1208         (BUILT_IN_NANL): Ditto.
1209
1210 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1211             Revital Eres  <eres@il.ibm.com>
1212
1213         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1214         regarding the order of two dependent insns in the same row.
1215
1216 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1217
1218         * stor-layout.c (layout_decl): Do not bump the alignment of a
1219         bit-field to more than byte alignment if it is packed.
1220
1221 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1222
1223         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1224         e300c2 and e300c3.
1225
1226 2008-02-24  Diego Novillo  <dnovillo@google.com>
1227
1228         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1229
1230         PR 33738
1231         * tree-vrp.c (vrp_evaluate_conditional): With
1232         -Wtype-limits, emit a warning when comparing against a
1233         constant outside the natural range of OP0's type.
1234         * c.opt (Wtype-limits): Move ...
1235         * common.opt (Wtype-limits): ... here.
1236
1237 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1238
1239         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1240         * config/rs6000/e300c2c3.md: New file.
1241         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1242         e300c2 and e300c3.
1243         (rs6000_override_options): Add e300c2 and e300c3 cases to
1244         processor_target_table. Do not allow usage of Altivec or Spe
1245         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1246         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1247         * config/rs6000/rs6000.h (processor_type): Add
1248         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1249         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1250         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1251         and ppce300c3. Include e300c2c3.md.
1252
1253 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1254
1255         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1256         instead of TARGET_STRICT_ALIGN.
1257
1258 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1259
1260         * explow.c (memory_address): Assert that the generated address is
1261         valid.
1262
1263 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1264
1265         PR target/25477
1266         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1267         * config/darwin-ppc-ldouble-patch.def: New file.
1268         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1269         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1270         SUBTARGET_INIT_BUILTINS if defined.
1271         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1272         New functions.
1273
1274 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1275
1276         PR rtl-opt/33512
1277         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1278         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1279
1280 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1281
1282         PR pch/35027
1283         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1284         file" warning condtional on -Winvalid-PCH.
1285
1286 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1287
1288         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1289
1290 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1291
1292         PR target/22076
1293         PR target/34256 
1294         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1295         prevent reload from using MMX registers.
1296         (*mov<mode>_internal): Ditto.
1297         (*movv2sf_internal_rex64): Ditto.
1298         (*movv2sf_internal): Ditto.
1299
1300 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1301
1302         PR documentation/31569
1303         * doc/install.texi2html: Use makeinfo --no-number-sections.
1304
1305 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1306
1307         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1308         ensure that we can address an entire entity > 8 bytes.  Don't
1309         generate reg+reg addressing for such data.
1310
1311 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1312
1313         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1314         strings when optimizing for size, unless the target cares about
1315         alignment.
1316
1317 2008-02-22  Tom Tromey  <tromey@redhat.com>
1318
1319         * regclass.c (current_pass): Remove declaration.
1320
1321 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1322
1323         * config/avr/libgcc.S (__RAMPZ__): Define.
1324         (__do_copy_data): Add for devices with 128KB code memory.
1325
1326 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1327
1328         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1329         Use spe_abi.
1330         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1331
1332 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1333
1334         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1335         GENNONACR_REGS.
1336
1337 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1338
1339         PR c/19999
1340         * c-typeck.c (build_binary_op): Warn about floating point
1341         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1342
1343 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1344
1345         PR target/34526
1346         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1347         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1348         add vrsave.
1349         (rs6000_override_options): Set altivec_abi as default, not override,
1350         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1351         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1352         is used; use new member spe_abi.
1353         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1354         spe_abi and altivec_abi.
1355
1356 2008-02-22  Tomas Bily  <tbily@suse.cz>
1357
1358         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1359
1360 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1361
1362         PR bootstrap/35273
1363         * config.build (build_file_translate): Set to `CMD //c' only if
1364         it works.
1365         * Makefile.in (build_file_translate): Improve comment.
1366
1367 2008-02-21  Jan Hubicka  <jh@suse.cz>
1368
1369         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1370         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1371         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1372
1373 2008-02-21  Michael Matz  <matz@suse.de>
1374
1375         PR target/35264
1376         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1377
1378 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1379
1380         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1381         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1382         as insn constraint.
1383         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1384         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1385         SSE_VEC_FLOAT_MODE_P as insn constraint.
1386         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1387         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1388         sse4a_movntdf using MODEF mode iterator.
1389         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1390         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1391         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1392         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1393         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1394         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1395         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1396
1397 2008-02-21  Richard Guenther  <rguenther@suse.de>
1398
1399         * tree.def (PAREN_EXPR): New tree code.
1400         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1401         and PAREN_EXPR.
1402         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1403         * expr.c (expand_expr_real_1): Likewise.
1404         * tree-inline.c (estimate_num_insns_1): Likewise.
1405         * tree-complex.c (expand_complex_move): Likewise.
1406         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1407         as plain x.
1408
1409 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1410
1411         PR target/35225
1412         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1413
1414 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1415
1416         PR target/35190
1417         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1418
1419         * config/sh/sh.c (find_barrier): Don't go past
1420         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1421
1422 2008-02-20  DJ Delorie  <dj@redhat.com>
1423
1424         * config/h8300/h8300.md (insv): Force source operand to be a register.
1425
1426         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1427         as a jump, not as a plain insn.
1428         
1429 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1430
1431         * doc/invoke.texi (Warning Options): Add new option
1432         -Wframe-larger-than=.
1433         (-Wframe-larger-than): Document.
1434
1435         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1436         Add declarations for new option variables.
1437
1438         * final.c (final_start_function): Check the frame size
1439         before emission and issue a Wframe-larger-than warning.
1440
1441         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1442         Add definitions for new option variables.
1443         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1444
1445         * common.opt (Wframe-larger-than=): New option.
1446
1447 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1448
1449         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1450         (<sse>_div<mode>3): Ditto.
1451         (<sse>_vmdiv<mode>3): Ditto.
1452         (<sse>_vmsqrt<mode>2): Ditto.
1453         (*smax<mode>3): Ditto.
1454         (sse5_frcz<mode>2): Ditto.
1455         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1456         as insn constraint.
1457
1458 2008-02-20  Richard Guenther  <rguenther@suse.de>
1459
1460         PR middle-end/35265
1461         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1462         be happy with INTEGRAL_TYPE_P.
1463
1464 2008-02-20  Richard Guenther  <rguenther@suse.de>
1465
1466         * fold-const.c (split_tree): Associate floatig-point expressions
1467         if flag_associative_math is set.
1468
1469 2008-02-20  Richard Guenther  <rguenther@suse.de>
1470
1471         * tree.h (fold_real_zero_addition_p): Declare.
1472         * fold-const.c (fold_real_zero_addition_p): Export.
1473         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1474         floating-point operations with zero and one.
1475
1476 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1477
1478         * doc/install.texi: Correct references to CFLAGS, replacing them
1479         with BOOT_CFLAGS.  Document flags used during bootstrap for
1480         target libraries.
1481                                 
1482 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1483
1484         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1485         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1486         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1487         insn constraint.
1488         (smin<mode>3): Ditto from similar patterns.
1489         (smax<mode>3): Ditto.
1490         (*ieee_smin<mode>3): Ditto.
1491         (*ieee_smax<mode>3): Ditto.
1492         * config/i386/sse.md (sse): New mode attribute.
1493         (mov<mode>): Macroize expander from movv4sf and movv2df using
1494         SSEMODEF2P mode iterator.
1495         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1496         SSE_VEC_FLOAT_MODE_P as insn constraint.
1497         (storent<mode>): Ditto.
1498         (storent<mode>): Macroize expander from storentsf and storentdf using
1499         MODEF mode iterator.
1500         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1501         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1502         (abs<mode>2): Ditto from similar patterns.
1503         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1504         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1505         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1506         (<sse>_vmsqrt<mode>2): Ditto.
1507         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1508         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1509         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1510         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1511         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1512         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1513         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1514         insn constraint.
1515         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1516         iterator and SSE_FLOAT_MODE_P as insn constraint.
1517         (<sse>_ucomi): Ditto from similar patterns.
1518         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1519         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1520         SSE_VEC_FLOAT_MODE_P as insn constraint.
1521         (vcond<mode>): Ditto from similar patterns.
1522         (and<mode>3, *and<mode>3): Ditto.
1523         (<sse>_nand<mode>3): Ditto.
1524         (ior<mode>3, *ior<mode>3): Ditto.
1525         (xor<mode>3, *xor<mode>3): Ditto.
1526         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1527         iterator and SSE_FLOAT_MODE_P as insn constraint.
1528         (*nand<mode>3): Ditto from similar patterns.
1529         (*ior<mode>3): Ditto.
1530         (*xor<mode>3): Ditto.
1531
1532 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1533
1534         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1535         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1536         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1537
1538 2008-02-19  Jan Hubicka  <jh@suse.cz>
1539
1540         * predict.c (tree_bb_level_predictions): Remove variable next
1541         mistakely introduced by previous commit.
1542
1543 2008-02-19  Jan Hubicka  <jh@suse.cz>
1544
1545         * predict.c (predict_paths_leading_to): Rewrite.
1546         (predict_paths_for_bb): New.
1547         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1548
1549 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1550
1551         PR bootstrap/35218
1552         * Makefile.in (build_file_translate): New.
1553         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1554         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1555         * configure.ac (build_file_translate): Substitute it.
1556         * configure: Regenerate.
1557
1558 2008-02-19  Jan Hubicka  <jh@suse.cz>
1559
1560         PR rtl-optimization/34408
1561         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1562         invalid sharing.
1563
1564 2008-02-19  Jan Hubicka  <jh@suse.cz>
1565
1566         PR middle-end/28779
1567         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1568         call_expr.
1569
1570 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1571
1572         PR Ada/35186
1573         * config/i386/i386-modes.def: Revert the last DI alignment
1574         change until Ada people can look into it.
1575
1576 2008-02-19  Nick Clifton  <nickc@redhat.com>
1577
1578         * opts.c (print_specific_help): Fix typo in --help text.
1579
1580 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1581
1582         PR target/35239
1583         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1584         32-bit inline asm without asm alternatives for host GCC < 3.0.
1585
1586 2008-02-19  Richard Guenther  <rguenther@suse.de>
1587
1588         PR tree-optimization/34989
1589         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1590         Allow propagation to INDIRECT_REF if we can simplify only.
1591
1592 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1593
1594         * c-common.c (warn_for_collisions_1): Use appropriate option when
1595         warning.
1596
1597 2008-02-19  Nick Clifton  <nickc@redhat.com>
1598
1599         PR other/31349
1600         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1601         (handle_options): Fix indentation.
1602         (print_filtered_help): If no language-specific options were
1603         displayed tell the user how to list all the options supported by
1604         the language's front-end.
1605         (print_specific_help): Fix indentation and remove duplicate line.
1606         (common_handle_option): Handle the -v option.
1607         For --help enable the display of undocumented options if the -v
1608         switch has been included on the command line.
1609         For --help= check for overlaps in the arguments between the option
1610         classes and the language names and issue a warning when they
1611         cannot be disambiguated.
1612         * c.opt (v): Pass on to the common option handler.
1613
1614 2008-02-19  Revital Eres  <eres@il.ibm.com> 
1615
1616         * modulo-sched.c (sms_schedule): Change dump message when
1617         create_ddg function fails.
1618         (try_scheduling_node_in_cycle): Rename row to cycle.
1619         (print_partial_schedule): Rename CYCLE to ROW.
1620
1621 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1622             Zdenek Dvorak  <ook@ucw.cz>
1623
1624         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1625
1626 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1627
1628         PR target/33555
1629         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1630         (*x86_movdicc_0_m1_se): Ditto.
1631
1632 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1633
1634         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1635         (CMPtype): Define as __gcc_CMPtype.
1636         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1637         (CMPtype): Define as __gcc_CMPtype.
1638
1639 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1640
1641         Support valgrind 3.3 for --enable-checking=valgrind.
1642         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1643         here.
1644         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1645         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1646         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1647         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1648         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1649         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1650         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1651         respectively.
1652         * ggc-zone.c: Similar.
1653         * ggc-page.c: Similar.
1654
1655 2008-02-19  Paul Brook  <paul@codesourcery.com>
1656
1657         PR target/35071
1658         * config/arm/ieee754-df.S: Fix do_it typo.
1659         * config/arm/ieee754-sf.S: Fix do_it typo.
1660
1661 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1662
1663         PR target/35189
1664         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1665         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1666         (OPTION_MASK_ISA_SSE_SET): Likewise.
1667         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1668         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1669         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1670         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1671         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1672         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1673         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1674         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1675         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1676         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1677         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1678         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1679         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1680         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1681         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1682         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1683         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1684         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1685         (OPTION_MASK_ISA_SSE4): Removed.
1686         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1687         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1688         -mXXX.
1689         (override_options): Don't turn on implied SSE/MMX bits in
1690         ix86_isa_flags.
1691
1692 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1693
1694         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1695         32bit host.
1696
1697 2008-02-18  Joey Ye  <joey.ye@intel.com>
1698
1699         PR middle-end/34921
1700         * tree-nested.c (insert_field_into_struct): Set type alignment
1701         to field alignment if the former is less than the latter.
1702
1703 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1704
1705         * BASE-VER: Set to 4.4.0.
1706
1707 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1708
1709         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1710         * doc/cfg.texi: Likewise.
1711         * doc/extend.texi: Likewise.
1712         * doc/gty.texi: Likewise.
1713         * doc/invoke.texi: Likewise.
1714         * doc/loop.texi: Likewise.
1715         * doc/md.texi: Likewise.
1716         * doc/passes.texi: Likewise.
1717         * doc/rtl.texi: Likewise.
1718         * doc/sourcebuild.texi: Likewise.
1719         * doc/tm.texi: Likewise.
1720         * doc/tree-ssa.texi: Likewise.
1721
1722 2008-02-17  Richard Guenther  <rguenther@suse.de>
1723
1724         PR middle-end/35227
1725         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1726         without default definition.
1727
1728 2008-02-17  Richard Guenther  <rguenther@suse.de>
1729
1730         PR tree-optimization/35231
1731         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1732         if A | B != 1.
1733
1734 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1735
1736         Revert:
1737
1738         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
1739         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1740         libgcc_cmp_return mode.
1741
1742 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1743
1744         PR c/28368
1745         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1746
1747 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1748
1749         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1750         multilibs.
1751
1752 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1753
1754         * doc/c-tree.texi: Use `@.' where appropriate.
1755         * doc/extend.texi: Likewise.
1756         * doc/install.texi: Likewise.
1757         * doc/invoke.texi: Likewise.
1758         * doc/loop.texi: Likewise.
1759         * doc/makefile.texi: Likewise.
1760         * doc/md.texi: Likewise.
1761         * doc/passes.texi: Likewise.
1762         * doc/standards.texi: Likewise.
1763         * doc/tm.texi: Likewise.
1764
1765 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1766
1767         PR middle-end/35196
1768         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1769         in entry_bb.
1770         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1771         rather than in entry_bb.
1772
1773 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1774
1775         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1776         libgcc_cmp_return mode.
1777
1778 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1779
1780         PR middle-end/35130
1781         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1782         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1783
1784 2008-02-15  Richard Guenther  <rguenther@suse.de>
1785             Zdenek Dvorak  <ook@ucw.cz>
1786
1787         PR tree-optimization/35164
1788         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1789         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1790         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1791         Only propagate addresses which do not have abnormal SSA_NAMEs
1792         in their operands.
1793
1794 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1795
1796         PR target/35088
1797         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1798
1799 2008-02-15  Jan Hubicka  <jh@suse.cz>
1800
1801         PR middle-end/35149
1802         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1803
1804 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1805
1806         PR middle-end/34621
1807         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1808         when calculating alignment_pad.
1809
1810 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1811
1812         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1813         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1814         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1815         and STACK_BOUNDARY define.
1816
1817 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1818
1819         PR preprocessor/35061
1820         * c-pragma.c (handle_pragma_pop_macro): Check that
1821         pushed_macro_table has been allocated.
1822
1823 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1824
1825         PR middle-end/35136
1826         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1827         (force_gimple_operand): Likewise.
1828         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1829         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1830         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1831         (find_interesting_uses_address): Check addressability and alignment
1832         of the base expression only after substituting bases of IVs into it.
1833
1834 2008-02-14  Michael Matz  <matz@suse.de>
1835
1836         PR target/34930
1837         * function.c (instantiate_virtual_regs_in_insn): Reload address
1838         before falling back to reloading the whole operand.
1839
1840 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1841
1842         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1843         before the first section switch note.
1844
1845 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1846
1847         * doc/bugreport.texi: Update copyright years.
1848         * doc/c-tree.texi: Likewise.
1849         * doc/cfg.texi: Likewise.
1850         * doc/cpp.texi: Likewise.
1851         * doc/cppinternals.texi: Likewise.
1852         * doc/fragments.texi: Likewise.
1853         * doc/frontends.texi: Likewise.
1854         * doc/gcc.texi: Likewise.
1855         * doc/gty.texi: Likewise.
1856         * doc/hostconfig.texi: Likewise.
1857         * doc/implement-c.texi: Likewise.
1858         * doc/libgcc.texi: Likewise.
1859         * doc/loop.texi: Likewise.
1860         * doc/makefile.texi: Likewise.
1861         * doc/options.texi: Likewise.
1862         * doc/passes.texi: Likewise.
1863         * doc/rtl.texi: Likewise.
1864         * doc/sourcebuild.texi: Likewise.
1865         * doc/standards.texi: Likewise.
1866         * doc/tree-ssa.texi: Likewise.
1867         * doc/trouble.texi: Likewise.
1868
1869         * doc/extend.texi: Use @: or add comma where appropriate.
1870         * doc/invoke.texi: Likewise.
1871         * doc/tm.texi: Likewise.
1872
1873 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1874
1875         PR target/34393
1876         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1877         to a reg.
1878
1879 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1880
1881         * doc/md.texi (clz, ctz): Add reference.
1882         * doc/rtl.texi (clz, ctz): Likewise.
1883
1884 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1885
1886         PR other/35148
1887         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1888         srcdir.
1889
1890 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1891
1892         * config/s390/s390.c (struct constant_pool): New field
1893         emit_pool_after added.
1894         (s390_mainpool_start): Set the emit_pool_after flag according
1895         to the section switch notes.
1896         (s390_mainpool_finish): Consider emit_pool_after when emitting
1897         the literal pool at the end of the function.
1898         (s390_chunkify_start): Force literal pool splits at section
1899         switch notes.
1900
1901 2008-02-13  Michael Matz  <matz@suse.de>
1902
1903         PR debug/35065
1904         * var-tracking.c (clobber_variable_part): Correctly traverse the
1905         list.
1906
1907 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1908
1909         PR 29673
1910         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1911         Add -fdump-ipa-inline.
1912         * tree-dump.c (dump_files): Remove tree-inlined dump.
1913         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
1914         
1915 2008-02-12  Richard Guenther  <rguenther@suse.de>
1916
1917         PR tree-optimization/35171
1918         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
1919         default defs.
1920
1921 2008-02-12  Richard Guenther  <rguenther@suse.de>
1922
1923         PR middle-end/35163
1924         * fold-const.c (fold_widened_comparison): Use get_unwidened in
1925         value-preserving mode.  Disallow final truncation.
1926
1927 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1928
1929         PR middle-end/35136
1930         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
1931         code from here to...
1932         (force_gimple_operand): ...here.
1933
1934 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
1935
1936         PR c++/35144
1937         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
1938         non-compatible pointers.
1939         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
1940         different FIELD_DECLs, try harder by comparing field offsets, sizes
1941         and types.
1942
1943         PR inline-asm/35160
1944         * function.c (match_asm_constraints_1): Don't replace the same input
1945         multiple times.
1946
1947 2008-02-12  Anatoly Sokolov <aesok@post.ru>
1948
1949         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
1950         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
1951         (expand_epilogue): Restore RAMPZ register.
1952         * config/avr/avr.md (RAMPZ_ADDR): New constant.
1953
1954 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
1955
1956         * config/i386/cygwin.asm: (__alloca): Correct calling
1957         convention and alignment.
1958         (__chkstk): Force 8 byte stack alignment.
1959
1960 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
1961             Richard Guenther  <rguenther@suse.de>
1962
1963         PR tree-optimization/33992
1964         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
1965         the zero we compare against.
1966
1967 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
1968
1969         PR libfortran/35063
1970         * gthr-win32.h (__gthread_mutex_destroy_function): New function
1971         to CloseHandle after unlocking to prevent accumulation of handle
1972         count.
1973
1974 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1975
1976         PR middle_end/34150
1977         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
1978         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
1979         and update LABEL_NUSES during and after reload.
1980
1981 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
1982
1983         PR middle-end/34627
1984         * combine.c (simplify_if_then_else): Make sure the comparison is
1985         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
1986
1987 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1988
1989         PR bootstrap/35051
1990         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
1991         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
1992         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
1993         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
1994         * tree.h (get_type_static_bounds): Likewise.
1995
1996 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1997
1998         * doc/invoke.texi (Option Summary, C++ Dialect Options)
1999         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2000         Make -Wfoo language annotations match what the compiler outputs.
2001
2002 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2003
2004         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
2005         intrinsics spu_convts, spu_convtu, spu_convtf.
2006         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2007
2008 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2009
2010         * doc/extend.texi (Function Attributes) <noinline>: Mention
2011         asm ("") as method to keep calls.
2012
2013 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2014
2015         PR other/32754
2016         * doc/options.texi (Options): Replace references to opts.sh with
2017         optc-gen.awk.
2018         * opts-common.c: Likewise.
2019         * optc-gen.awk: Likewise.
2020         
2021 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2022
2023         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2024
2025 2008-02-07  Richard Henderson  <rth@redhat.com>
2026
2027         PR rtl-opt/33410
2028         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2029         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
2030         funny mode.
2031
2032 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2033
2034         PR tree-optimization/35085
2035         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2036         for operand entry oe2 in addition to operand entry oe3 in order to
2037         expose more opportunities for vectorizer sum reduction.
2038
2039 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2040
2041         PR other/35107
2042         * Makefile.in (LIBS): Remove $(GMPLIBS).
2043         (cc1-dummy, cc1): Add $(GMPLIBS).
2044
2045 2008-02-06  Jan Hubicka  <jh@suse.cz>
2046
2047         PR target/23322
2048         * i386.md (moddf_integer): Do not produce partial memory stalls for
2049         targets where it hurts.
2050
2051 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2052
2053         PR target/35083
2054         * optabs.c (expand_float): Do not check for decimal modes when
2055         expanding unsigned integer through signed conversion.
2056
2057 2008-02-06  Nick Clifton  <nickc@redhat.com>
2058
2059         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2060         inside the clobber with a match_operand and duplicated operand
2061         number in the constraint.
2062         (ineqbranchsi): Delete redundant comment.
2063
2064 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2065
2066         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
2067         builtin_define ("__USE_INIT_FINI__").
2068         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2069         -msx multilibs.
2070         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2071
2072 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2073
2074         PR documentation/30330
2075         * doc/invoke.texi (C++ Dialect Options)
2076         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2077         For each warning option -Wfoo that allows -Wno-foo, ensure both
2078         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2079         entry of -Wswitch-default, index -Wnormalized= including the
2080         `=', and -Wlarger-than-@var{len} including @var{len}.
2081
2082 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2083
2084         * config/i386/i386.md (floatunssisf2): Use
2085         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2086         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2087         Macroize expander using MODEF mode iterator.
2088
2089 2008-02-05  Diego Novillo  <dnovillo@google.com>
2090
2091         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2092
2093         PR 33738
2094         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2095
2096 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2097
2098         PR other/35070
2099         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2100
2101 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2102
2103         PR target/35084
2104         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2105         to indicate if a message should be generated.
2106         (init_cumulative_args): Updated.
2107         (function_value_32): Likewise.
2108
2109 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2110
2111         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2112
2113 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2114
2115         PR target/35083
2116         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2117         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2118
2119 2008-02-04  Diego Novillo  <dnovillo@google.com>
2120
2121         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2122
2123         PR 33738
2124         * tree-vrp.c (vrp_evaluate_conditional): With
2125         -Wtype-limits, emit a warning when comparing against a
2126         constant outside the natural range of OP0's type.
2127
2128 2008-02-04  Richard Guenther  <rguenther@suse.de>
2129
2130         PR middle-end/33631
2131         * expr.c (count_type_elements): Give for unions instead of
2132         guessing.
2133
2134 2008-02-04  Richard Guenther  <rguenther@suse.de>
2135
2136         PR middle-end/35043
2137         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2138         to TYPE_DOMAINs base type instead of using bitsizetype here.
2139
2140 2008-02-03  Jason Merrill  <jason@redhat.com>
2141
2142         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2143
2144 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2145
2146         PR other/29972
2147         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2148         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2149         (RS/6000 and PowerPC Options): Fix typos and markup.
2150         * doc/passes.texi (Tree-SSA passes): Likewise.
2151
2152 2008-02-02  Michael Matz  <matz@suse.de>
2153
2154         PR target/35045
2155         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2156         from record_last_reg_set_info.
2157         (record_last_reg_set_info): Take an RTX argument, iterate over all
2158         constituent hardregs.
2159         (record_last_set_info, record_opr_changes): Change calls to
2160         new signature or to record_last_reg_set_info_regno.
2161
2162 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2163
2164         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2165
2166 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2167
2168         PR rtl-optimization/34773
2169         * reg-notes.def (EQUAL): Mention significance of combination of
2170         REG_EQUAL and REG_RETVAL.
2171         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2172         insn that has a REG_RETVAL.
2173
2174 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2175
2176         PR bootstrap/33781
2177         * configure.ac (--enable-fixed-point): Disable unless explicitly
2178         requested on IRIX.
2179         * configure: Regenerate.
2180
2181 2008-02-01  Richard Guenther  <rguenther@suse.de>
2182
2183         PR other/35042
2184         * invoke.texi (-finline-limit): Remove no longer true parts
2185         of the documentation.  Note that there is no default value.
2186
2187 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2188             Mark Mitchell  <mark@codesourcery.com>
2189             Ben Elliston  <bje@au.ibm.com>
2190
2191         PR c/29326
2192         * doc/extend.texi (Other Builtins): Document.
2193
2194 2008-01-31  Tom Browder <tom.browder@gmail.com>
2195
2196         * doc/c-tree.texi (Types): Fix grammar.
2197         (Expression trees): Ditto.
2198         * doc/passes.texi (Tree-SSA passes): Ditto.
2199         
2200         * doc/configterms.texi (Configure Terms): Fix typo.
2201         * doc/cpp.texi (Common Predefined Macros): Ditto.
2202         * doc/md.texi (Machine Constraints): Ditto.
2203         
2204         * doc/makefile.texi (Makefile): Add comma.
2205
2206 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2207             Gerald Pfeifer  <gerald@pfeifer.com>
2208         
2209         * doc/sourcebuild.texi (Front End): Remove references to CVS
2210         and CVSROOT/modules.
2211         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2212         (Back End): Remove reference to CVS.
2213
2214 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2215
2216         PR target/34900
2217         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2218         comment from...
2219         (mips16_gp_pseudo_reg): ...here.
2220         * config/mips/mips.md (load_const_gp): Replace with...
2221         (load_const_gp_<mode>): ...this :P-based insn.
2222
2223 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2224
2225         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2226         options. Minor fixes.
2227         (-std): Move reference to standards closer to where language
2228         standards are first mentioned.
2229         
2230 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2231
2232         PR rtl-optimization/34995
2233         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2234         parameter and return a bool.  If the rtx parameter is nonnull,
2235         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2236         (find_reloads): Update call accordingly.  Pass the new operand
2237         if it needed no address reloads, otherwise pass null.
2238
2239 2008-01-30  Richard Henderson  <rth@redhat.com>
2240
2241         PR c/34993
2242         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2243         for unbounded arrays.
2244
2245 2008-01-30  Silvius Rus  <rus@google.com>
2246
2247         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2248
2249 2008-01-30  Jan Hubicka  <jh@suse.cz>
2250
2251         PR target/34982
2252         * i386.c (init_cumulative_args): Use real function declaration when
2253         calling locally.
2254
2255 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2256
2257         PR rtl-optimization/34998
2258         * global.c (build_insn_chain): Treat non-subreg_lowpart
2259         SUBREGs of pseudos as clobbering all the words covered by the
2260         SUBREG, not just all the bytes.
2261         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2262         original df_ref rather than an extract parameter.
2263         (global_conflicts): Update call accordingly.
2264
2265 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2266
2267         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2268         the overflow check to make it easier to read.
2269         (__fixtfdi): Change the type of the ll member in union
2270         long_double to UDItype_x.
2271
2272 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2273
2274         PR middle-end/34969
2275         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2276         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2277         * tree-inline.c (fold_marked_statements): Call
2278         cgraph_update_edges_for_call_stmt if folding a call statement.
2279         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2280         debug_generic_stmt calls, reset it back afterwards.
2281
2282         PR c/35017
2283         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2284         static decls.
2285         * c-typeck.c (build_external_ref): Don't pedwarn about
2286         static vars in current function's scope.
2287
2288 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2289
2290         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2291
2292 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2293
2294         PR c/35002
2295         * ipa-struct-reorg.c: Fix spelling.
2296         * params.def: Ditto.
2297
2298 2008-01-29  Richard Guenther  <rguenther@suse.de>
2299
2300         PR middle-end/35006
2301         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2302         field.
2303         * tree-inline.c (remap_type): Increment remapping_type_depth
2304         around remapping types.
2305         (copy_body_r): Only add referenced variables if they are referenced
2306         from code, not types.
2307
2308 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2309
2310         PR c++/34055
2311         PR c++/34103
2312         PR c++/34219
2313         PR c++/34606
2314         PR c++/34753
2315         PR c++/34754
2316         PR c++/34755
2317         PR c++/34919
2318         PR c++/34961
2319         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2320         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2321
2322 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2323
2324         PR target/34412
2325         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
2326         pointer for tiny stack.
2327
2328 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2329
2330         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2331
2332 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2333
2334         * config/vx-common.h: Fix typo in comment.
2335
2336 2008-01-28  Ian Lance Taylor  <iant@google.com>
2337
2338         PR c++/34862
2339         PR c++/33407
2340         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2341         coalesce pointers if they have different DECL_NO_TBAA_P values.
2342         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2343         between variables with different DECL_NO_TBAA_P values.
2344
2345 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2346
2347         PR 31535
2348         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2349         are not legitimate small data references on SPE targets.
2350
2351 2008-01-28  David Daney  <ddaney@avtrex.com>
2352
2353         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2354
2355 2008-01-28  David Daney  <ddaney@avtrex.com>
2356
2357         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2358
2359 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2360
2361         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2362         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2363         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2364         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2365         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2366         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2367         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2368         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2369
2370 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2371
2372         * basic-block.h (condjump_equiv_p): Fix comment.
2373
2374 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2375
2376         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2377         print_generic_stmt_indented): Fix comment.
2378
2379 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2380
2381         * configure.ac (__stack_chk_fail): Add detecion for availability
2382         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2383         * configure: Regenerate.
2384
2385 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2386
2387         PR middle-end/34688
2388         * final.c (output_addr_const): Handle TRUNCATE.
2389
2390 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2391
2392         PR target/34711
2393         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2394         (zero_cost, infinite_cost): New constants.
2395         (struct cost_pair): Change type of cost to comp_cost.
2396         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2397         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2398         New functions.
2399         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2400         split_address_cost, ptr_difference_cost, difference_cost,
2401         get_computation_cost_at, get_computation_cost,
2402         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2403         determine_use_iv_cost_condition, determine_use_iv_costs,
2404         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2405         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2406         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2407         Change type of cost to comp_cost.
2408         (determine_iv_cost): Increase cost of non-original ivs, instead
2409         of decreasing the cost of original ones.
2410         (get_address_cost): Indicate the complexity of the addressing mode 
2411         in comp_cost.
2412         (try_add_cand_for): Prefer using ivs not specific to some object.
2413         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2414
2415 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2416             Janis Johnson  <janis187@us.ibm.com>
2417
2418         PR target/34814
2419         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2420         (TARGET_INSTANTIATE_DECLS): Likewise.
2421         * target.h (expand_to_rtl_hook): New target hook.
2422         (instantiate_decls): Likewise.
2423         * function.c (instantiate_decl): Make non-static.  Rename to...
2424         (instantiate_decl_rtl): ... this.
2425         (instantiate_expr): Use instantiate_decl_rtl.
2426         (instantiate_decls_1): Likewise.
2427         (instantiate_decls): Likewise.
2428         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2429         * function.h (instantiate_decl_rtl): Add prototype.
2430         * cfgexpand.c (target.h): New include.
2431         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2432         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2433         (TARGET_INSTANTIATE_DECLS): Likewise.
2434         (TARGET_INITIALIZER): New target hooks added.
2435         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2436         New prototype.
2437         * config/rs6000/rs6000.c (tree-flow.h): New include.
2438         (machine_function): Add sdmode_stack_slot field.
2439         (rs6000_alloc_sdmode_stack_slot): New function.
2440         (rs6000_instantiate_decls): Likewise.
2441         (rs6000_secondary_memory_needed_rtx): Likewise.
2442         (rs6000_check_sdmode): Likewise.
2443         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2444         (TARGET_INSTANTIATE_DECLS): Likewise.
2445         (rs6000_hard_regno_mode_ok): Allow SDmode.
2446         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2447         (rs6000_emit_move): Handle SDmode.
2448         (function_arg_advance): Likewise.
2449         (function_arg): Likewise.
2450         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2451         SDmode var args for 32-bit compiles.
2452         (rs6000_secondary_reload_class): Handle SDmode.
2453         (rs6000_output_function_epilogue): Likewise.
2454         (rs6000_function_value): Simplify if statement.
2455         (rs6000_libcall_value): Likewise.
2456         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2457         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2458         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2459         (movsd_hardfloat): New define_insn.
2460         (movsd_softfloat): Likewise.
2461         (movsd_store): Likewise.
2462         (movsd_load): Likewise.
2463         (extendsddd2): Likewise.
2464         (extendsdtd2): Likewise.
2465         (truncddsd2): Likewise.
2466         (movdd_hardfloat64): Fixup comment.
2467         (UNSPEC_MOVSD_LOAD): New constant.
2468         (UNSPEC_MOVSD_STORE): Likewise.
2469
2470 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2471
2472         PR c++/34965
2473         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2474         TRUTH_XOR_EXPR.
2475         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2476         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2477         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2478         and TRUTH_XOR_EXPR.
2479
2480 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2481
2482         PR target/34794
2483         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2484         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2485         __LONGDOUBLE128 too.
2486         * config/rs6000/aix61.h: New file.
2487
2488 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2489
2490         PR rtl-optimization/34959
2491         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2492         popcount and parity rtxes the same mode as their operand.
2493         Truncate or extend the result to the return value's mode
2494         if necessary.
2495
2496 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2497
2498         PR target/34981
2499         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2500         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2501         to GOT_VERSION_REGNUM.
2502         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2503         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2504         * config/mips/mips.c (mips_emit_call_insn): New function.
2505         (mips_call_tls_get_addr): Call mips_expand_call directly.
2506         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2507         emit_call_insn.
2508         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2509         (mips_expand_call): Update the call to mips16_build_call_stub
2510         accordingly and a remove redundant condition.  Assert that MIPS16
2511         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2512         the call insn.
2513         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2514         TARGET_USE_GOT.
2515         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2516         (mips_avoid_hazard): Remove hazard_set handling.
2517         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2518         (UNSPEC_RESTORE_GP): ...this.
2519         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2520         (FAKE_CALL_REGNO): Rename to...
2521         (GOT_VERSION_REGNUM): ...this.
2522         (type): Add "ghost" value.  Add an associated insn reservation.
2523         (hazard_set): Remove.
2524         (exception_receiver): Rename to...
2525         (restore_gp): ...this and update the unspec identifier accordingly.
2526         (exception_receiver, nonlocal_got_receiver): New expanders.
2527         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2528         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2529         (set_got_version, update_got_version): New patterns.
2530
2531 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2532
2533         PR target/34970
2534         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2535
2536 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2537
2538         PR other/31955
2539         * doc/install.texi2html: Generate gcc-vers.texi.
2540
2541 2008-01-25  DJ Delorie  <dj@redhat.com>
2542
2543         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2544
2545 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2546
2547         * config/c4x: Remove directory.
2548         * config.gcc (crx-*, mt-*): Mark obsolete.
2549         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2550         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2551         sh-*-rtemscoff*): Remove cases.
2552         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2553         * real.c (encode_c4x_single, decode_c4x_single,
2554         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2555         c4x_extended_format): Remove.
2556         * real.h (c4x_single_format, c4x_extended_format): Remove.
2557         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2558         on C4x.
2559         (Pragmas): Remove comment about c4x pragmas.
2560         * doc/install.texi (c4x): Remove target-specific instructions.
2561         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2562         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2563         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2564         refer to C4x source files as examples.
2565         (C4X_FLOAT_FORMAT): Remove documentation.
2566
2567 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2568
2569         * config/bfin/bfin.c (override_options): Reorder tests so that
2570         flag_pic gets enabled for -msep-data.
2571
2572 2008-01-25  Richard Guenther  <rguenther@suse.de>
2573
2574         PR middle-end/32244
2575         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2576         to its bitfield precision if required.
2577
2578 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2579
2580         PR middle-end/33880
2581         * tree-nested.c (walk_omp_for): New function.
2582         (convert_nonlocal_reference, convert_local_reference): Call
2583         walk_omp_for on OMP_FOR.
2584         (convert_call_expr): Call walk_body on OMP_FOR's
2585         OMP_FOR_PRE_INIT_BODY.
2586
2587 2008-01-25  Richard Guenther  <rguenther@suse.de>
2588
2589         PR tree-optimization/34966
2590         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2591         default defs and PHI_NODEs we have to insert after the
2592         defining statement.
2593
2594 2008-01-24  Nick Clifton  <nickc@redhat.com>
2595
2596         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2597         Provide a default definition.
2598         (LIBGCC2_UNITS_PER_WORD): Likewise.
2599
2600         * config/stormy16/stormy16.c: Include df.h for the prototype
2601         for df_regs_ever_live_p.
2602         (xstormy16_expand_builtin_va_start): Convert the stack offset
2603         into a component_ref and then use POINTER_PLUS_EXPR to add it
2604         to the incoming_virtual_args_rtx.
2605         (xstormy16_gimplify_va_arg_expr): Rename to
2606         xstormy16_gimplify_va_arg_expr.
2607         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2608         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2609         xstormy16_gimplify_va_arg_expr.
2610         Fix up some formatting issues.
2611
2612         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2613         Move to predicates.md.
2614         (xs_hi_general_operand): Likewise.
2615         (xs_hi_nonmemory_operand): Likewise.
2616         * config/stormy16/predicates.md:
2617         (xstormy16_carry_plus_operand): New predicate.
2618         (xs_hi_general_operand): New predicate.
2619         (xs_hi_nonmemory_operand): New predicate.
2620         * config/stormy16/stormy16-protos.h:
2621         (xstormy16_carry_plus_operand): Delete prototype.
2622         (xs_hi_general_operand): Likewise.
2623         (xs_hi_nonmemory_operand): Likewise.
2624
2625         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2626         modifiers as they are no longer needed and they can trigger
2627         reload spill failures.
2628
2629         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2630         with a match_operand in order to help reload.
2631
2632         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2633         constraint with 'e' for the 8th alternative as this version of
2634         the mov.w instruction only accepts the lower 8 registers.
2635
2636 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2637
2638         PR target/34856
2639         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2640         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2641         vector elements.
2642
2643 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2644
2645         PR middle-end/33333
2646         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2647
2648 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2649
2650         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2651         New functions.
2652         (remove_structure): Update allocations list before removing structure.
2653         
2654 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2655
2656         * ipa-struct-reorg.c (is_safe_cond_expr, 
2657         create_new_stmts_for_cond_expr): Use integer_zerop function,
2658         that recognize not only zero-pointer, but zero-integer too.
2659
2660 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2661
2662         PR other/22232
2663         * fixproto: Escape "." in sed expression that strips leading "./".
2664
2665 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2666
2667         PR driver/34904
2668         * gcc.c (SWITCH_OK): Removed.
2669         (SWITCH_LIVE): Changed to bit.
2670         (SWITCH_FALSE): Likewise.
2671         (SWITCH_IGNORE): Likewise.
2672         (switchstr): Change live_cond to unsigned int.
2673         (process_command): Replace SWITCH_OK with 0.
2674         (do_self_spec): Likewise.
2675         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2676         (give_switch): Likewise.
2677         (used_arg): Likewise.
2678         (do_spec_1): Set the SWITCH_IGNORE bit.
2679         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2680         bits.  Set the SWITCH_LIVE bit.
2681
2682 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2683
2684         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2685
2686 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2687
2688         PR tree-optimization/34472
2689         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2690         parameter to a "bool *" and set *DATA to false if there is
2691         an unsafe access.  Do not delete the structure here.
2692         (check_cond_exprs): Delete it here instead.
2693         (check_cond_exprs, exclude_cold_structs): Do not increase
2694         I when removing a structure.
2695
2696 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2697
2698         PR target/34856
2699         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2700         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2701
2702 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2703
2704         PR middle-end/34934
2705         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2706         a fixed vector for stack.
2707
2708 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2709
2710         PR c++/25701
2711         * doc/gcc.texi (Software development): Add a direntry for g++.
2712         
2713 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2714
2715         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2716         stale and straggling -fforce-addr comments above.
2717
2718         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2719         define.
2720         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2721         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2722
2723 2008-01-23  Michael Matz  <matz@suse.de>
2724
2725         PR debug/34895
2726         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2727         gen_type_die.
2728
2729 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2730
2731         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2732         malloc result type.
2733
2734 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2735
2736         * config/avr/avr.c (avr_current_arch): New variable.
2737         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2738         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2739         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2740         (avr_override_options): Init 'avr_current_arch'. 
2741         (base_arch_s): Move from here...
2742         * config/avr/avr.h (base_arch_s): ... here. Add new members 
2743         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
2744         'mega' to 'have_jmp_call'.
2745         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
2746         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2747         macros.
2748         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
2749         architectures.
2750         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
2751         MULTILIB_MATCHES): (Ditto.).
2752
2753 2008-01-23  Richard Guenther  <rguenther@suse.de>
2754
2755         PR middle-end/31529
2756         * cgraphunit.c (cgraph_reset_node): Always mark the node
2757         not reachable if it is not queued already.
2758
2759 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2760
2761         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2762         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2763         (cputype_selected): New static variable.
2764         (bfin_handle_option): Set it if -mcpu is used.
2765         (override_option): Select default set of workarounds if no cpu type
2766         selected on the command line.
2767         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2768
2769         From  Michael Frysinger  <michael.frysinger@analog.com>
2770         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2771         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2772
2773         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2774         for bf547, bf523, bf524, and bf526.
2775         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2776         bf526.
2777         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2778         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2779         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2780         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2781         * doc/invoke.texi (Blackfin Options): Document that
2782         -mcpu now accept bf547, bf523, bf524, and bf526.
2783
2784 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2785
2786         PR rtl-optimization/34628
2787         * combine.c (try_combine): Stop and undo after the first combination
2788         if an autoincrement side-effect on the first insn has effectively
2789         been lost.
2790
2791 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2792
2793         PR target/34529
2794         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2795         Offset addresses are not valid for Altivec or paired float modes.
2796
2797 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2798
2799         PR c++/34607
2800         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2801         if DECL_INITIAL (decl) is error_mark_node.
2802
2803         PR c++/34914
2804         * c-common.c (handle_vector_size_attribute): Only allow
2805         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2806         the same way as pointer, array etc. types.
2807         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2808
2809         PR c++/34917
2810         * tree.c (build_type_attribute_qual_variant): Call
2811         build_qualified_type if attributes are equal, but quals are not.
2812
2813 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2814
2815         PR 32102
2816         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2817         * flags.h (warn_strict_aliasing): Remove.
2818         (warn_strict_overflow): Remove.
2819         * opts.c (warn_strict_aliasing): Remove.
2820         (warn_strict_overflow): Remove.
2821         * c-opts.c (c_common_handle_option): -Wall only sets
2822         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2823         (c_common_post_options): Give default values to -Wstrict-aliasing
2824         and -Wstrict-overflow if they are uninitialized.
2825         * common.opt (Wstrict-aliasing): Specify Var and Init.
2826         (Wstrict-overflow): Likewise.
2827
2828 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2829
2830         PR rtl-optimization/26854
2831         PR rtl-optimization/34400
2832         PR rtl-optimization/34884
2833         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2834         DF_RD->gen.
2835         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2836         (df_rd_bb_info.expanded_lr_out): Deleted
2837         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2838         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2839         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2840         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2841         Removed code to allocate, initialize or free expanded_lr_out.
2842         (df_rd_bb_local_compute_process_def): Restructured to make more
2843         understandable.
2844         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2845         sets if the sets are being trimmed.
2846
2847 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2848
2849         PR bootstrap/32287
2850         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2851         (as_vers): Likewise.
2852         * configure: Regenerated.
2853
2854 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2855
2856         PR middle-end/33092
2857         * tree-pass.h (pass_build_alias): New pass.
2858         * tree-ssa-alias.c (gate_build_alias): New.
2859         (pass_build_alias): New.
2860         * passes.c (init_optimization_passes): Add pass_build_alias after
2861         pass_create_structure_vars.
2862
2863 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2864
2865         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2866         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2867         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2868         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2869         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2870         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2871         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2872         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2873         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2874         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2875         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2876         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2877         * config/s390/s390.md (FP_ALL): New mode iterator.
2878         (_d): New mode attribute.
2879         ("*signbit<mode>2>"): Changed mode of first operand.
2880         ("isinf<mode>2"): Changed mode of first operand.
2881         ("*TDC_insn"): Adaptation for DFP modes.
2882
2883 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2884
2885         * tree.c (check_qualified_type): Improve function description.
2886
2887 2008-01-21  Jason Merrill  <jason@redhat.com>
2888
2889         PR c++/34196
2890         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2891         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2892         if it is set.
2893
2894 2008-01-21  DJ Delorie  <dj@redhat.com>
2895
2896         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2897         return zero.
2898
2899 2008-01-21  Richard Guenther  <rguenther@suse.de>
2900
2901         PR middle-end/34856
2902         * tree-cfg.c (verify_expr): Allow all invariant expressions
2903         instead of just constant class ones as reference argument.
2904         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2905         like any other constant.
2906         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2907
2908 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2909
2910         * regmove.c (fixup_match_1): Update call crossed frequencies.
2911
2912 2008-01-21  Richard Guenther  <rguenther@suse.de>
2913
2914         PR c/34885
2915         * tree-inline.c (setup_one_parameter): Deal with mismatched
2916         types using a VIEW_CONVERT_EXPR.
2917
2918 2008-01-21  Alon Dayan  <alond@il.ibm.com>
2919             Olga Golovanevsky  <olga@il.ibm.com>
2920         
2921         PR tree-optimization/34701
2922         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
2923         when the structure size is not a power of 2.
2924
2925 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
2926
2927         * doc/install.texi: Add doc for --enable-checking=df.
2928         
2929 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2930
2931         PR rtl-optimization/34808
2932         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
2933
2934 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2935
2936         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
2937         input.
2938
2939 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2940
2941         PR rtl-optimization/26854
2942         PR rtl-optimization/34400
2943         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
2944         DF_RD->gen.
2945         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
2946         (df_rd_bb_info.expanded_lr_out): New.
2947         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
2948         * loop_iv.c (iv_analysis_loop_init): Ditto.
2949         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2950         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2951         Added code to allocate, initialize or free expanded_lr_out.
2952         (df_rd_bb_local_compute_process_def): Restructured to make
2953         more understandable.
2954         (df_rd_confluence_n): Add code to do nothing with fake edges and
2955         code to no apply invalidate_by_call sets if the sets are being trimmed.
2956         (df_lr_local_finalize): Renamed to df_lr_finalize.
2957         (df_live_local_finalize): Renamed to df_live_finalize.
2958
2959 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2960
2961         PR target/34831
2962         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
2963         deciding whether to use reciprocal instructions.
2964
2965 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
2966
2967         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
2968         dwarf2out_note_section_used if cold_text_section is NULL.
2969
2970 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
2971
2972         PR gcov-profile/34610
2973         * tree-cfg.c (make_edges): Mark both outgoing edges from
2974         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
2975         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
2976         from OMP_FOR and OMP_CONTINUE outgoing edges.
2977
2978         * tree-profile.c (tree_profiling): Return early if
2979         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
2980         at the end.
2981         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
2982         from cfun to child_cfun.
2983         * function.h (struct function): Add after_tree_profile bit.
2984
2985 2008-01-19 Anatoly Sokolov <aesok@post.ru>
2986
2987         * config/avr/avr.S (_exit): Disable interrupt.
2988
2989 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
2990             Steven Bosscher  <stevenb.gcc@gmail.com>
2991
2992         PR rtl-optimization/26854
2993         PR rtl-optimization/34400
2994         * df-problems.c (df_live_scratch): New scratch bitmap.
2995         (df_live_alloc): Allocate df_live_scratch when doing df_live.
2996         (df_live_reset): Clear the proper bitmaps.
2997         (df_live_bb_local_compute): Only process the artificial defs once
2998         since the order is not important.
2999         (df_live_init): Init the df_live sets only with the variables
3000         found live by df_lr.
3001         (df_live_transfer_function): Use the df_lr sets to prune the
3002         df_live sets as they are being computed.  
3003         (df_live_free): Free df_live_scratch.
3004
3005 2008-01-18  Ian Lance Taylor  <iant@google.com>
3006
3007         * common.opt: Add fmerge-debug-strings.
3008         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3009         flag_merge_debug_strings rather than flag_merge_constants.
3010         * doc/invoke.texi (Option Summary): Mention
3011         -fmerge-debug-strings.
3012         (Debugging Options): Document -fmerge-debug-strings.
3013
3014 2008-01-18  Ian Lance Taylor  <iant@google.com>
3015
3016         PR c++/33407
3017         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3018         (struct tree_function_decl): Add new field operator_new_flag.
3019         * tree-inline.c (expand_call_inline): When inlining a call to
3020         operator new, force the return value to go into a variable, and
3021         set DECL_NO_TBAA_P on that variable.
3022         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3023
3024 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3025
3026         PR debug/34484
3027         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3028         DWARF2_DEBUGGING_INFO.
3029         (dwarf2out_note_section_used): Ditto.  Add prototype.
3030         (have_multiple_function_sections, text_section_used,
3031         cold_text_section_used, *cold_text_sections): Move declarations
3032         before their uses.
3033
3034 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3035
3036         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3037         field and add signal_ra.
3038         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3039         assignments to frame state pc.  Move end of stack check after
3040         MD_FALLBACK_FRAME_STATE_FOR.
3041         (uw_update_context_1): Use frame state signal_regs if set, instead
3042         of checking signal_frame flag.
3043         (uw_update_context): Use frame state signal_ra if set.
3044         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3045         * config/xtensa/linux-unwind.h: New file.
3046
3047 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3048
3049         * modulo-sched.c (get_sched_window): Fix comment typo.
3050
3051 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3052
3053         PR tree-optimization/34648
3054         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3055
3056 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3057
3058         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3059         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3060
3061 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3062
3063         PR rtl-optimization/34400
3064         * df-core.c (df_worklist_dataflow_overeager,
3065         df_worklist_dataflow_doublequeue): New functions.
3066         (df_worklist_dataflow): Two different worklist solvers.
3067         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3068         New param.
3069
3070 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3071
3072         PR testsuite/34821
3073         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3074         and ftree-parallelize-loops.
3075
3076 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3077
3078         PR rtl-optimization/34826
3079         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3080
3081 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3082
3083         * global.c (find_reg): Mark the eh regs as used if necessary.
3084         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3085         * ra.h (struct allocno): no_eh_reg field added.  Changed
3086         no_stack_reg type to bitfield.
3087
3088 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3089
3090         * tree.c (substitute_in_expr): Add missing 'break'.
3091
3092 2008-01-17  Richard Guenther  <rguenther@suse.de>
3093
3094         PR tree-optimization/34825
3095         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3096         x / x as division to handle.
3097
3098 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3099
3100         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3101         "-pthread" is specified.
3102         * pa-hpux11.h (LIB_SPEC): Likewise.
3103
3104 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3105             Peter Bergner  <bergner@vnet.ibm.com>
3106
3107         PR rtl-optimization/33796
3108         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3109
3110 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3111
3112         PR libgfortran/34699
3113         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3114         static links.
3115         * pa-hpux10.h (LINK_SPEC): Likewise.
3116         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3117
3118 2008-01-16  Richard Guenther  <rguenther@suse.de>
3119
3120         PR middle-end/32628
3121         * fold-const.c (fold_convert_const_int_from_int): Do not
3122         set overflow if that occured only because of a sign extension
3123         change when converting from/to a sizetype with the same
3124         precision and signedness.
3125
3126 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3127
3128         PR debug/34249
3129         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3130         location address to the correct place.  Update copyright year.
3131
3132 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3133
3134         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3135         no dependences in the dependence_relations vector.
3136
3137 2008-01-16  Jan Hubicka  <jh@suse.cz>
3138
3139         PR rtl-optimization/31396
3140         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3141         * cfg.c (dump_reg_info): Print it.
3142         * regs.h (struct reg_info_t): add freq_calls_crossed.
3143         (REG_FREQ_CALLS_CROSSED): New macro.
3144         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3145         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3146         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3147         regmove_optimize): Update call crossed frequencies.
3148         * local-alloc.c (struct qty): Add freq_calls_crossed.
3149         (alloc_qty): Copute freq_calls_crossed.
3150         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3151         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3152         * ra.h (struct allocno): Add freq_calls_crossed.
3153
3154 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3155
3156         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3157         libgomp when compiling with ftree-parallelize-loops.
3158         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3159
3160 2008-01-16  Richard Guenther  <rguenther@suse.de>
3161
3162         PR tree-optimization/34769
3163         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3164         * tree.c (int_cst_value): Instead make this function more
3165         permissive in what it accepts as valid input.  Document this
3166         function always sign-extends the value.
3167
3168 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
3169             Richard Guenther  <rguenther@suse.de>
3170
3171         PR c/34668
3172         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3173         (gimple_fold_indirect_ref_rhs): ... this.
3174         (gimple_fold_indirect_ref): New function with foldings
3175         that preserve lvalueness.
3176         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3177         * tree-flow.h (gimple_fold_indirect_ref): Declare.
3178         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3179         to fold an INDIRECT_REF, fall back to the old use of
3180         fold_indirect_ref_1.
3181
3182 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3183
3184         * tree-data-ref.c (subscript_dependence_tester_1): Call 
3185         free_conflict_function.
3186         (compute_self_dependence): Same.
3187
3188 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3189
3190         PR debug/34249
3191         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3192         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
3193         function global.
3194         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3195         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3196         for DWARF2_UNWIND_INFO targets.
3197
3198 2008-01-16  Richard Guenther  <rguenther@suse.de>
3199
3200         PR c/34768
3201         * c-typeck.c (common_pointer_type): Do not merge inconsistent
3202         type qualifiers for function types.
3203
3204 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
3205
3206         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3207         loop_iterator li from previous commit.
3208
3209 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3210
3211         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3212
3213 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3214
3215         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3216         (parallelize_loops): Don't parallelize irreducible components.
3217
3218 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3219
3220         PR c++/24924
3221         * c-opts (c_common_post_options): Do not enable CPP
3222         flag_pedantic_errors by default.
3223         
3224 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
3225
3226         PR rtl-optimization/31944
3227         * cse.c (remove_pseudo_from_table): New function.
3228         (merge_equiv_classes): Use above function to remove pseudo-registers.
3229         (invalidate): Likewise.
3230
3231 2008-01-13  Richard Guenther  <rguenther@suse.de>
3232
3233         PR middle-end/34601
3234         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3235         instead of TYPE_MODE to deal with calls from expand_one_error_var.
3236
3237 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
3238
3239         * gcse.c (cprop_jump): Call validate_unshare_change instead of
3240         validate_change to unshare the source of the PC set.
3241
3242 2008-01-12  Jan Hubicka  <jh@suse.cz>
3243
3244         PR middle-end/32135
3245         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3246         references above array bounds.  This might trigger bounds checks for
3247         pointers to arrays.
3248
3249 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3250
3251         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3252         new_replaceable_dependencies.
3253
3254 2008-01-12  Doug Kwan  <dougkwan@google.com>
3255
3256         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3257         instead of OPT_Wreturn_type in warning due to ignored return type
3258         qualifiers.
3259         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3260         options included in -Wextra.
3261         * c.opt: New option -Wignored_qualifiers.
3262         * doc/invoke.texi (Warning Options, -Wextra): Add new option
3263         -Wignore_qualifiers.
3264         (-Wignored-qualifiers): Document.
3265         (-Wreturn-type): Remove description of functionality now handled
3266         by -Wignored-qualifiers.
3267
3268 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
3269
3270         PR ada/33788
3271         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3272         NOP_EXPR if it is between integral types with the same precision.
3273
3274 2008-01-12  Jan Hubicka  <jh@suse.cz>
3275
3276         PR other/28023
3277         * invoke.texi (max-inline-recursive-depth): Fix default value.
3278
3279 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
3280
3281         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3282         correct type.
3283
3284 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
3285         
3286         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3287         
3288 2008-01-11  James E. Wilson  <wilson@specifix.com>
3289
3290         PR target/26015
3291         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3292
3293 2008-01-11  Anatoly Sokolov <aesok@post.ru>
3294
3295         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
3296         save/restore frame pointer register and don't use 'call-prologues' 
3297         optimization in function with "OS_task" attribute.
3298
3299 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3300
3301         PR middle-end/31309
3302         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3303         when copying to memory.
3304
3305 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
3306
3307         PR rtl-optimization/30905
3308         * cfgcleanup.c: Include dce.h
3309         (crossjumps_occured): New global variable.
3310         (try_crossjump_bb): Exit loop after finding a fallthru edge.
3311         If something changed, set crossjumps_occured to true.
3312         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3313         Don't add/remove fake edges to exit here...
3314         (cleanup_cfg): ...but do it here, when crossjumping.
3315         Run a fast DCE when successful crossjumps occured in the latest
3316         iteration of try_optimize_cfg.
3317
3318 2008-01-11  Richard Guenther  <rguenther@suse.de>
3319
3320         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3321         (struct vn_unary_op_s): Likewise.
3322         (vn_reference_insert): Free old reference on hash collision.
3323
3324 2008-01-10  Raksit Ashok  <raksit@google.com>
3325
3326         PR rtl-optimization/27971
3327         * combine.c (find_split_point): Split PLUS expressions which are
3328         inside a MEM rtx, and whose first operand is complex.
3329
3330 2008-01-10  DJ Delorie  <dj@redhat.com>
3331
3332         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
3333         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
3334         (m32c_hard_regno_ok): Call the underlying function.
3335
3336 2008-01-10  Richard Guenther  <rguenther@suse.de>
3337
3338         PR middle-end/34683
3339         * tree-cfg.c (tree_merge_blocks): Do not go through the
3340         full-blown folding and stmt updating path if we just deal
3341         with virtual operands.
3342         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3343         test for abnormal SSA_NAMEs.
3344
3345 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3346
3347         PR middle-end/34641
3348         * reload.c (push_reload): Add assertions.  All constants from
3349         reg_equiv_constant should have been used for replacing the respective
3350         pseudo earlier.
3351         (find_reloads_address): Invoke find_reloads_address_part for
3352         constant taken from the reg_equiv_constant array.
3353
3354 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
3355
3356         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3357         field (valnum) the first in the struct.  Replace bools with
3358         unit bit fields.
3359
3360 2008-01-10  Richard Guenther  <rguenther@suse.de>
3361
3362         PR tree-optimization/34651
3363         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
3364         types and ordering for masking and converting.
3365
3366 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
3367
3368         PR tree-optimization/34017
3369         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3370         also for PHI_NODE expressions.
3371
3372 2008-01-09  Jan Hubicka  <jh@suse.cz>
3373
3374         PR tree-optimization/34708
3375         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3376         based on number of case labels.
3377         (init_inline_once): Remove switch_cost.
3378         * tree-inline.h (eni_weights_d): Remove switch_cost.
3379
3380 2008-01-09  Richard Guenther  <rguenther@suse.de>
3381         Andrew Pinski  <andrew_pinski@playstation.sony.com>
3382
3383         PR middle-end/30132
3384         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3385         temporary if an rvalue is ok or an lvalue is not required.
3386
3387 2008-01-09  Richard Guenther  <rguenther@suse.de>
3388
3389         PR middle-end/34458
3390         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3391         adjust return type.
3392
3393 2008-01-09  Richard Guenther  <rguenther@suse.de>
3394
3395         PR middle-end/34679
3396         * tree.c (host_integerp): Check for sizetype only if the
3397         type is an integer type.
3398
3399 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3400
3401         PR debug/26364
3402         * opts.c (decode_options): Disable inlining of functions called
3403         once if not in unit-at-a-time mode.
3404
3405 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3406
3407         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3408
3409 2008-01-08  Richard Guenther  <rguenther@suse.de>
3410
3411         PR middle-end/31863
3412         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3413         out early if the result will be unused.
3414
3415 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3416
3417         PR target/34709
3418         Revert:
3419
3420         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3421         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3422         for TARGET_RECIP.       
3423         
3424 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3425         
3426         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3427         for vectorization tuned.
3428         
3429 2008-01-08  Richard Guenther  <rguenther@suse.de>
3430
3431         PR tree-optimization/34683
3432         * tree-ssa-operands.c (operand_build_cmp): Export.
3433         * tree-ssa-operands.h (operand_build_cmp): Declare.
3434         * tree-vn.c (vuses_compare): Remove.
3435         (sort_vuses): Use operand_build_cmp.
3436         (sort_vuses_heap): Likewise.
3437         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3438         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3439         (vdefs_to_vec): Do not sort already sorted VDEFs.
3440
3441 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3442
3443         PR middle-end/34694
3444         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3445
3446 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3447
3448         PR target/34702
3449         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3450         limitations of reciprocal sequences on x86 targets.
3451
3452 2008-01-08  Richard Guenther  <rguenther@suse.de>
3453
3454         PR tree-optimization/34683
3455         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3456
3457 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3458
3459         PR target/34622
3460         * config/darwin.c (darwin_mergeable_string_section): Don't use
3461         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3462
3463 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3464
3465         PR target/34682
3466         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3467         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3468         predicates of op0 and op1 to register_operand.
3469         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3470         expander using X87MODEF mode iterator.  Change predicates of
3471         op0 and op1 to register_operand.
3472         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3473         corresponding patterns and macroize using MODEF macro.  Change
3474         predicates of op0 and op1 to register_operand and remove
3475         "m" constraint. Disparage "r" alternative with "!".
3476         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3477         macroize using X87MODEF macro.  Change predicates of op0 and op1
3478         to register_operand and remove "m" constraint.  Disparage "r"
3479         alternative with "!".
3480         (absneg splitter with memory operands): Remove.
3481         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3482         patterns and macroize using X87MODEF mode iterator.
3483         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3484         Change predicate of op1 to register_operand.
3485         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3486         for memory operands.
3487
3488 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3489
3490         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3491
3492 2008-01-07  Richard Guenther  <rguenther@suse.de>
3493
3494         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3495         fields.
3496
3497 2008-01-07  Richard Guenther  <rguenther@suse.de>
3498
3499         PR tree-optimization/34683
3500         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3501         VOPs of the needed size to save memory.  Use VEC_quick_push
3502         to save compile-time.
3503         (vdefs_to_vec): Likewise.
3504
3505 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3506
3507         * config/spu/spu.md (divdf3): Genetate inline code for double
3508         division.  The implementation doesn't handle INF or NAN, therefore it
3509         only applies when -ffinite-math-only is given.
3510
3511 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3512
3513         PR libstdc++/34680
3514         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3515         * doc/cpp.texi ([Common Predefined Macros]): Document.
3516
3517 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3518
3519         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3520         order to use commutative addition instead of subtraction.
3521
3522 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3523             Mircea Namolaru  <namolaru@il.ibm.com>
3524             Vladimir Yanovsky  <yanov@il.ibm.com>
3525             Revital Eres  <eres@il.ibm.com>
3526
3527         PR tree-optimization/34263
3528         * tree-outof-ssa.c (process_single_block_loop_latch,
3529         contains_tree_r): New functions.
3530         (analyze_edges_for_bb): Call process_single_block_loop_latch
3531         function to empty single-basic-block latch block if possible.
3532
3533 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3534
3535         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3536         for TARGET_RECIP.
3537         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3538
3539 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3540
3541         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3542
3543 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3544
3545         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3546
3547 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3548
3549         PR tree-optimization/34618
3550         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3551         flag from T.
3552
3553 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3554
3555         PR target/34673
3556         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3557         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3558         Update copyright year.
3559
3560         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3561         Update copyright year.
3562         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3563         using NR fixup.
3564
3565 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3566
3567         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3568         edge does not point to current bb before changing need_assert.
3569
3570 2008-01-04  Richard Guenther  <rguenther@suse.de>
3571
3572         PR middle-end/34029
3573         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3574         for verifying purposes if they are is_gimple_min_invariant.
3575
3576 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3577
3578         PR tree-optimization/34448
3579         PR tree-optimization/34465
3580         * gimplify.c (gimplify_init_constructor): Add new parameter
3581         notify_temp_creation.  Use it.
3582         (gimplify_modify_expr_rhs): Take volatiles into account when
3583         optimizing constructors.
3584         Do not optimize constructors if gimplify_init_constructor will dump to
3585         memory.
3586         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3587         * gcc.c-torture/compile/pr34448.c: New.
3588
3589 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3590
3591         PR gcov-profile/34609
3592         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3593         return_slot if result is TREE_ADDRESSABLE.
3594
3595 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3596
3597         * config/mips/mips.md (sqrt_condition): Tweak comment.
3598         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3599
3600 2008-01-03  Tom Tromey  <tromey@redhat.com>
3601
3602         PR c/34457
3603         * c-common.c (c_type_hash): Handle VLAs.
3604
3605 2008-01-03  Jan Hubicka  <jh@suse.cz>
3606
3607         PR tree-optimization/31081
3608         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3609         0 when inlining and not inlining to first basic block.
3610         (remap_decl): When var is initialized to 0, don't set default_def.
3611         (expand_call_inline): Set entry_bb.
3612         * tree-inline.h (copy_body_data): Add entry_bb.
3613
3614 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3615
3616         PR c++/34619
3617         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3618         before returning.
3619
3620         PR tree-optimization/29484
3621         * tree-inline.c (inline_forbidden_p_2): New function.
3622         (inline_forbidden_p): Disallow inlining if some static var
3623         has an address of a local LABEL_DECL in its initializer.
3624         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3625         vs. inlining.
3626
3627 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3628
3629         PR tree-optimization/34635
3630         * tree-data-ref.c (add_other_self_distances): Make sure that the
3631         evolution step is constant.
3632
3633 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3634
3635         PR middle-end/34608
3636         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3637
3638 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3639
3640         * tree-sra.c (scalarize_init): Insert the generate_element_init
3641         statements after the generate_element_zero statements.
3642
3643 2008-01-02  Richard Guenther  <rguenther@suse.de>
3644
3645         PR middle-end/34093
3646         PR middle-end/31976
3647         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3648         for very large number of operands instead of ICEing.
3649
3650 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3651
3652         PR target/34013
3653         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3654         while stack probing.
3655
3656 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3657
3658         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3659         in C++0x mode.
3660
3661 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3662
3663         PR libmudflap/26442
3664         * tree-mudflap.c (mx_register_decls): Guard warning by
3665         !DECL_ARTIFICIAL check.
3666
3667 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3668
3669         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3670         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3671         sse5_perm<mode>): Fix constraints.