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PR target/35498
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1 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2
3         PR target/35498
4         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
5         wdst back after sync_compare_and_swapqhi_internal.
6
7 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
8
9         PR target/22152
10         * config/i386/i386-modes.def (V1DI): New vector mode.
11         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
12         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
13         (MMXMODE248): Ditto.
14         (MMXMODE): Add V1DI mode.
15         (mmxvecsize): Change DI mode to V1DI mode.
16         ("mov<mode>): Use MMXMODEI8 mode iterator.
17         ("*mov<mode>_internal_rex64"): Ditto.
18         ("*mov<mode>_internal"): Ditto.
19         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
20         ("mmx_sub<mode>3"): Ditto.
21         ("mmx_adddi3"): Remove insn pattern.
22         ("mmx_subdi3"): Ditto.
23         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
24         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
25         ("mmx_ashl<mode>3"): Ditto.
26         ("mmx_lshrdi3"): Remove insn pattern.
27         ("mmx_ashldi3"): Ditto.
28         * config/i386/i386.c (classify_argument): Handle V1DImode.
29         (function_arg_advance_32): Ditto.
30         (function_arg_32): Ditto.
31         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
32         mmx_addv1di3 insn pattern.
33         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
34         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
35         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
36         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
37         Remove definitions of built-in functions.
38         (V1DI_type_node): New node.
39         (v1di_ftype_v1di_int): Ditto.
40         (v1di_ftype_v1di_v1di): Ditto.
41         (v2si_ftype_v2si_si): Ditto.
42         (v4hi_ftype_v4hi_di): Remove node.
43         (v2si_ftype_v2si_di): Ditto.
44         (ix86_init_mmx_sse_builtins): Handle V1DImode.
45         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
46         Redefine builtins using def_builtin_const with *_ftype_*_int node.
47         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
48         Add new builtins using def_builtin_const.
49         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
50         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
51         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
52         * config/i386/mmintrin.h (__v1di): New typedef.
53         (_mm_add_si64): Cast arguments to __v1di type.
54         (_mm_sub_si64): Ditto.
55         (_mm_sll_pi16): Cast __count to __v4hi type.
56         (_mm_sll_pi32): Cast __count to __v2si type.
57         (_mm_sll_si64): Cast arguments to __v1di type.
58         (_mm_srl_pi16): Cast __count to __v4hi type.
59         (_mm_srl_pi32): Cast __count to __v2si type.
60         (_mm_srl_si64): Cast arguments to __v1di type.
61         (_mm_sra_pi16): Cast __count to __v4hi type.
62         (_mm_sra_pi32): Cast __count to __v2si type.
63         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
64         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
65         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
66         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
67         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
68         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
69         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
70         (_mm_srai_pi32): Use __builtin_ia32_psradi.
71         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
72         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
73         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
74         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
75
76 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
77
78         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
79
80 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
81
82         PR target/35373
83         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
84         reg+const addressing for Altivec modes.  Don't generate reg+reg
85         addressing for TFmode or TDmode quantities.
86
87 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
88
89         * c-common.c (vector_types_convertible_p): Call langhook
90         instead of comptypes.
91
92 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
93
94         PR tree-opt/35402
95         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
96         integral and scalar float variables which have a
97         NULL DECL_INITIAL.
98
99 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
100
101         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
102         dwarf_register_span hook when emitting unwind information for
103         register-to-memory saves.
104         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
105         (rs6000_frame_related): Remove call to spe_synthesize_frame.
106
107 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
108
109         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
110         for the same VAR_DECL.
111
112 2008-03-06  Tom Tromey  <tromey@redhat.com>
113
114         * treelang: Delete.
115         * doc/standards.texi (Standards): Don't mention treelang.
116         * doc/invoke.texi (Overall Options): Don't mention treelang.
117         * doc/install.texi (Prerequisites): Don't mention bison or
118         treelang.
119         (Configuration): Don't mention treelang.
120         (Building): Likewise.
121         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
122
123 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
124
125         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
126         word-extractions out of a multi-word object.
127
128 2008-03-06  Richard Guenther  <rguenther@suse.de>
129
130         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
131         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
132         result type and precision.
133         * expr.c (get_inner_reference): Set unsignedp based on the result
134         type of BIT_FIELD_REF.
135         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
136         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
137         (try_instantiate_multiple_fields): Likewise.  Use the correct type
138         for BIT_FIELD_REF.
139         (sra_build_assignment): Likewise.
140         (sra_build_elt_assignment): Likewise.
141         (sra_explode_bitfield_assignment): Likewise.
142         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
143         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
144         set BIT_FIELD_REF_UNSIGNED.
145         (vectorizable_load): Likewise.
146
147 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
148
149         * cse.c (cse_extended_basic_block): Invalidate artificial defs
150         at bb start.
151
152 2008-03-06  Richard Guenther  <rguenther@suse.de>
153
154         * alias.c (struct alias_set_entry): Move has_zero_child field
155         to pack with alias_set.
156
157 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
158
159         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
160         32bit host.
161
162 2008-03-05  Ian Lance Taylor  <iant@google.com>
163
164         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
165
166 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
167
168         * fwprop.c (update_df): Support width and offset parameters of
169         df_ref_create.
170         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
171         global_conflicts): Change DF_REF_EXTRACT to either
172         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
173         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
174         * df-scan.c (df_ref_record, df_defs_record,
175         df_ref_create_structure, df_def_record_1, df_uses_record,
176         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
177         df_bb_refs_collect, df_entry_block_defs_collect,
178         df_exit_block_uses_collect): Support new width and offset fields.
179         (ref_extract_pool): New storage pool.
180         (df_free_ref): New function.
181         (df_reg_chain_unlink, df_free_collection_rec,
182         df_sort_and_compress_refs): Call df_free_ref.
183         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
184         of df_ref_extract.
185         (df_ref_create_structure): Allocate df_ref_extract if offset and
186         width fields are used.
187         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
188         (df_uses_record): Get offset and width from ZERO_EXTRACT 
189         and SIGN_EXTRACT.
190         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
191         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
192         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
193         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
194         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
195         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
196         (df_ref_extract): New structure.
197         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
198         (df_ref_create): Add width and offset parameters.
199         
200 2008-03-05  Richard Guenther  <rguenther@suse.de>
201
202         * tree-ssa-structalias.c (get_constraint_for_component_ref):
203         Use ranges_overlap_p.
204         (offset_overlaps_with_access): Rename
205         to ranges_overlap_p and move ...
206         * tree-flow-inline.h (ranges_overlap_p): ... here.
207
208         * tree.h (get_inner_reference, handled_component_p): Update
209         comments.
210
211         * tree.h (record_component_aliases, get_alias_set,
212         alias_sets_conflict_p, alias_sets_must_conflict_p,
213         objects_must_conflict_p): Move declarations ...
214         * alias.h (record_component_aliases, get_alias_set,
215         alias_sets_conflict_p, alias_sets_must_conflict_p,
216         objects_must_conflict_p): ... here.
217         Include coretypes.h.
218         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
219
220 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
221
222         * cfg.c: Include tree-flow.h.
223         (remove_edge_raw): Call redirect_edge_var_map_clear.
224         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
225         * tree-flow-inline.h (redirect_edge_var_map_def): New.
226         (redirect_edge_var_map_result): New.
227         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
228         PENDING_STMT use with redirect_edge_var_map_*.
229         * tree-ssa.c (edge_var_maps): New definition.
230         (redirect_edge_var_map_add): New.
231         (redirect_edge_var_map_clear): New.
232         (redirect_edge_var_map_dup): New.
233         (redirect_edge_var_map_vector): New.
234         (redirect_edge_var_map_destroy): New.
235         (ssa_redirect_edge): Replace PENDING_STMT use with
236         redirect_edge_var_map_*.
237         (flush_pending_stmts): Same.
238         (delete_tree_ssa): Destroy edge var map.
239         * tree-flow.h (struct _edge_var_map): New.
240         Define edge_var_map vector type.
241         Declare redirect_edge_var_map_* prototypes.
242         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
243         * tree-cfg.c (reinstall_phi_args): Replace
244         PENDING_STMT use with redirect_edge_var_map_*.
245
246 2008-03-05  Richard Guenther  <rguenther@suse.de>
247
248         PR tree-optimization/35472
249         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
250         whose single use_stmt has a overlapping set of loaded and
251         stored symbols as that use_stmt might be a noop assignment then.
252
253 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
254
255         * gthr-rtems.h: Implement __gthread_mutex_destroy.
256
257 2008-03-05  Richard Guenther  <rguenther@suse.de>
258
259         PR c++/35336
260         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
261         should be constants.
262         * tree-cfg.c (verify_expr): Verify it.
263         * fold-const.c (fold_truthop): Remove code generating
264         BIT_FIELD_REFs of structure bases.
265         (fold_binary): Likewise.
266         (fold_ternary): Position and size of BIT_FIELD_REFs are
267         always host integers.
268         (make_bit_field_ref): Remove.
269         (optimize_bit_field_compare): Remove.
270         (all_ones_mask_p): Remove.
271
272 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
273
274         PR gcc/33009
275         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
276         (split_block_and_df_analyze): New. Split basic block and rebuild
277         dataflow.
278         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
279         SPLIT_BLOCK.
280         (split_pattern_seq): Likewise.
281         (erase_matching_seqs): Likewise.
282         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
283
284 2008-03-04  Geoff Keating  <geoffk@apple.com>
285
286         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
287         declaration and code.
288         (tree_invalid_nonnegative_warnv_p): Likewise.
289
290 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
291
292         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
293         examples.  Truncate option-names then causing overfull hbox.
294
295 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
296
297         PR target/35222
298         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
299         on hpux10.
300         * configure: Rebuilt.
301
302 2008-03-04  Rafael Espindola  <espindola@google.com>
303
304         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
305         (tree_unary_nonnegative_warnv_p): New.
306         (tree_binary_nonnegative_warnv_p): New.
307         (tree_single_nonnegative_warnv_p): New.
308         (tree_invalid_nonnegative_warnv_p): New.
309         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
310
311 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
312
313         PR 28322
314         * opts.c (handle_option): Postpone 'unknown option' errors only for
315         warning options.
316
317 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
318
319         PR target/35453
320         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
321         (_SIDD_XXX): This.
322
323 2008-03-04  Rafael Espindola  <espindola@google.com>
324
325         * fold-const.c (tree_unary_nonzero_warnv_p): New.
326         (tree_binary_nonzero_warnv_p): New.
327         (tree_single_nonzero_warnv_p): New.
328         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
329
330 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
331
332         PR middle-end/35456
333         * fold-const.c (fold_cond_expr_with_comparison): Prevent
334         transformations for modes that have signed zeros.
335         * ifcvt.c (noce_try_abs): Ditto.
336
337 >>>>>>> .r132956
338 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
339
340         * config/i386/i386.c (override_options): Force
341         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
342
343 2008-03-04  Jan Hubicka  <jh@suse.cz>
344
345         PR c++/35262
346         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
347         in last commit.
348
349 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
350
351         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
352         label to probe the stack.
353
354 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
355
356         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
357         (__gthr_win32_mutex_destroy): Declare.
358         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
359         __gthr_win32_mutex_destroy.
360         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
361
362 2008-03-03  Jan Hubicka  <jh@suse.cz>
363
364         PR c++/35262
365         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
366         aggressive on inlining cold calls.
367
368 2008-03-03  Richard Guenther  <rguenther@suse.de>
369
370         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
371         struct copies into the expression table.
372         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
373         (try_to_simplify): Likewise.
374         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
375         integral and pointer arguments which do not change the
376         precision to NOP_EXPRs.
377         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
378         VIEW_CONVERT_EXPR case.
379
380 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
381
382         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
383         defined in a loop at depth 0 is invariant.
384         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
385         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
386         be called at loop depth 0.
387
388 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
389
390         PR driver/35420
391         * gcc.c (process_command): Update copyright notice dates.
392         * gcov.c (print_version): Likewise.
393         * gcov-dump.c (print_version): Likewise.
394         * mips-tfile.c (main): Likewise.
395         * mips-tdump.c (main): Likewise.
396
397 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
398
399         PR 24924
400         * c-common.c (flag_permissive): Delete.
401         (constant_expression_warnings): Check flags first.
402         (constant_expression_error): New.
403         * c-common.h (flag_permissive): Delete.
404         (constant_expression_error): Declare.
405         * flags.h (flag_permissive): Declare. Update description.
406         * diagnostic.c (pedwarn): Update.
407         (permerror): New.
408         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
409         (permissive_error_kind): New.
410         * toplev.c (flag_permissive): Define. Update description.
411         * toplev.h (permissive_error_kind): Declare.
412         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
413         (pedwarn_c90): Use pedantic_warning_kind.
414         * c-opts.c (c_common_post_options): flag_permissive does not affect
415         flag_pedantic_errors.
416
417 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
418
419         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
420         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
421         __absvsi2, __absvDI2): Use unsigned arithmetic.
422
423 2008-03-02  Andi Kleen  <ak@suse.de>
424         Richard Guenther  <rguenther@suse.de>
425
426         * struct-equiv.c: Remove file.
427         * cfg_cleanup.c (condjump_equiv_p): Remove.
428         * Makefile.in (OBJS-common): Remove struct-equiv.o.
429         (struct-equiv.o): Remove rule.
430         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
431         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
432         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
433
434 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
435
436         * ifcvt.c (noce_process_if_block): Try to handle only the then
437         block if the else block exists but isn't suitable.
438
439 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
440
441         PR gcc/35063
442         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
443         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
444         regression from previous patch.
445
446 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
447
448         PR gcc/35063
449         * gthr.h: Add __gthread_mutex_destroy as a function that must be
450         implemented.
451         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
452         * gthr-single.h (__gthread_mutex_destroy): Likewise.
453         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
454         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
455         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
456         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
457         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
458         (__gthread_mutex_destroy_function): Rename to
459         __gthread_mutex_destroy.
460         * gthr-dce.h (__gthread_mutex_destroy): Call
461         pthread_mutex_destroy.
462         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
463         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
464         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
465
466 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
467
468         * df-scan.c (df_ref_chain_change_bb): Simplify.
469         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
470         set_block_for_insn if there's any change.
471         * df.h ((df_insn_change_bb): Fix prototype.
472         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
473         df_insn_change_bb, don't call set_block_for_insn.
474         * emit-rtl.c (reorder_insns): Likewise.
475         * haifa-sched.c (move_insn): Likewise.
476
477 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
478
479         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
480
481 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
482
483         * tree-flow-inline.h (next_readonly_imm_use): Return
484         NULL_USE_OPERAND_P after the end.
485
486 2008-03-01  Richard Guenther  <rguenther@suse.de>
487
488         PR tree-optimization/35411
489         * tree-sra.c (sra_build_assignment): Split conversion to
490         final type to a separate statement if we are not assigning
491         to a register.
492
493 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
494
495         * fold-const.c (fold_convertible_p): Correct the logic to follow
496         that in fold_convert().
497
498 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
499
500         PR c++/35315
501         * tree-inline.c (build_duplicate_type): When we make a
502         duplicate type, make it unique in the canonical types system.
503
504 2008-02-29  Tom Tromey  <tromey@redhat.com>
505
506         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
507         input_file_stack_history, input_file_stack_restored): Remove.
508         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
509         * input.h (struct file_stack): Remove.
510         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
511         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
512         Likewise.
513         * diagnostic.h (struct diagnostic_context) <last_module>: Change
514         type.
515         (diagnostic_last_module_changed): Add 'map' argument.
516         (diagnostic_set_last_function): Likewise.
517         * diagnostic.c (undiagnostic_report_current_module): Iterate using
518         line map, not input_file_stack.
519         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
520
521 2008-02-29  Paul Brook  <paul@codesourcery.com>
522
523         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
524
525 2008-02-29  Paul Brook  <paul@codesourcery.com>
526
527         * config/arm/ieee754-df.S (muldf3): Use RET macros.
528
529 2008-02-29  Richard Guenther  <rguenther@suse.de>
530
531         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
532         vn_lookup_or_add.
533         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
534         value for comparing for a store match.
535         (simplify_unary_expression): Do nothing for SSA_NAMEs.
536         (try_to_simplify): Do not do a full-blown reference lookup.
537
538 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
539
540         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
541         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
542
543         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
544
545 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
546
547         * tree-loop-linear.c (try_interchange_loops): Compare memory access
548         strides against cache sizes.
549
550 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
551
552         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
553         constant to fpul.
554
555 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
556
557         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
558         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
559         is smaller than the original promoted value.
560         (simplify_subreg): If OP is a SUBREG, try to preserve its
561         SUBREG_PROMOTED_VAR_P information.
562
563 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
564
565         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
566         (VN_INFO_GET): Allocate new objects on the obstack.
567         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
568         for rpo_numbers_temp, for consistency.
569         (free_scc_vn): Free the obstack.
570
571 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
572
573         * doc/invoke.texi: Document -ftree-loop-distribution.
574         * tree-loop-distribution.c: New.
575         * tree-pass.h (pass_loop_distribution): New.
576         * graphds.h (struct graph): Add htab_t indices.
577         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
578         * tree-vectorizer.c (rename_variables_in_loop): Extern.
579         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
580         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
581         * tree-data-ref.c (debug_data_dependence_relations): New.
582         (dump_data_dependence_relation): Also print data references.
583         (free_data_ref): Extern.
584         (same_access_functions): Moved...
585         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
586         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
587         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
588         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
589         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
590         (stmts_from_loop): Skip LABEL_EXPR.
591         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
592         New.
593         (build_rdg): Initialize rdg->indices htab.
594         (free_rdg, stores_from_loop, ref_base_address,
595         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
596         have_similar_memory_accesses_1, ref_base_address_1,
597         remove_similar_memory_refs): New.
598         * tree-data-ref.h: Depend on tree-chrec.h.
599         (debug_data_dependence_relations, free_data_ref): Declared.
600         (same_access_functions): ... here.
601         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
602         New.
603         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
604         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
605         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
606         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
607         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
608         rdg_vertex_for_stmt): Declared.
609         (struct rdg_edge): Add level.
610         (RDGE_LEVEL): New.
611         (free_rdg, stores_from_loop, remove_similar_memory_refs,
612         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
613         Declared.
614         (rdg_has_similar_memory_accesses): New.
615         * tree-vect-analyze.c: Remove unused static decls.
616         * lambda.h (dependence_level): New.
617         * common.opt (ftree-loop-distribution): New.
618         * tree-flow.h (mark_virtual_ops_in_bb, 
619         slpeel_tree_duplicate_loop_to_edge_cfg,
620         rename_variables_in_loop): Declared.
621         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
622         (OBJS-common): Add tree-loop-distribution.o.
623         (tree-loop-distribution.o): New rule.
624         * tree-cfg.c (mark_virtual_ops_in_bb): New.
625         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
626         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
627
628 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
629
630         PR target/33963
631         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
632         other than structures and unions.
633
634 2008-02-28  Richard Guenther  <rguenther@suse.de>
635
636         Revert:
637         2008-02-26  Richard Guenther  <rguenther@suse.de>
638
639         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
640         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
641         (lookup_decl_from_uid): Declare.
642         (remove_decl_from_map): Likewise.
643         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
644         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
645         (decl_for_uid_map): New global hashtable mapping DECL_UID
646         to the decl tree.
647         (init_ttree): Allocate it.
648         (insert_decl_to_uid_decl_map): New helper function.
649         (make_node_stat): Insert new decls into the map.
650         (copy_node_stat): Likewise.
651         (lookup_decl_from_uid): New function.
652         (remove_decl_from_map): Likewise.
653         (print_decl_for_uid_map_statistics): New helper.
654         (dump_tree_statistics): Call it.
655
656         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
657         (referenced_var_iterator): Adjust.
658         (FOR_EACH_REFERENCED_VAR): Adjust.
659         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
660         (num_referenced_vars): Adjust.
661         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
662         (first_referenced_var): Remove.
663         (end_referenced_vars_p): Likewise.
664         (next_referenced_var): Likewise.
665         (referenced_var_iterator_set): New helper function.
666         * tree-dfa.c (referenced_var_lookup): Adjust.
667         (referenced_var_check_and_insert): Likewise.
668         (remove_referenced_var): Likewise.
669         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
670         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
671         (verify_call_clobbering): Likewise.
672         (verify_memory_partitions): Likewise.
673         (init_tree_ssa): Allocate bitmap instead of hashtable for
674         referenced_vars.
675         (delete_tree_ssa): Adjust.
676         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
677         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
678         (compute_tag_properties): Likewise.
679         (set_initial_properties): Likewise.
680         (find_partition_for): Likewise.
681         (update_reference_counts): Likewise.
682         (dump_may_aliases_for): Likewise.
683         * tree-ssa-operands.c (add_virtual_operand): Likewise.
684         (add_call_clobber_ops): Likewise.
685         (add_call_read_ops): Likewise.
686         (get_asm_expr_operands): Likewise.
687         * tree-into-ssa.c (dump_decl_set): Likewise.
688         (update_ssa): Likewise.
689         * tree-sra.c (scan_function): Likewise.
690         (decide_instantiations): Likewise.
691         (scalarize_parms): Likewise.
692         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
693         (dsa_named_for): Likewise.
694         * tree-ssa-structalias.c (update_alias_info): Likewise.
695         (merge_smts_into): Likewise.
696
697 2008-02-27  David Daney  <ddaney@avtrex.com>
698
699         PR target/34409
700         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
701         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
702         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
703         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
704         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
705
706 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
707
708         PR target/25477
709         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
710         (BUILT_IN_NEXTTOWARD): Remove.
711         (BUILT_IN_NEXTTOWARDF): Ditto.
712         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
713         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
714
715 2008-02-27  Tom Tromey  <tromey@redhat.com>
716
717         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
718         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
719
720 2008-02-27  Jan Beulich  <jbeulich@novell.com>
721
722         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
723         update the respective field on newdecl.
724
725 2008-02-27  Revital Eres  <eres@il.ibm.com>
726
727         PR rtl-optimization/34999
728         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
729         crossing edges that ends with a call insn.
730         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
731         call insn and clear the EDGE_CROSSING flag of the crossing edge
732         when fixing fallthru edges.
733
734 2008-02-27  Richard Guenther  <rguenther@suse.de>
735
736         PR middle-end/35390
737         * fold-const.c (fold_unary): Return the correct argument,
738         converted to the result type.
739
740 2008-02-27  Richard Guenther  <rguenther@suse.de>
741
742         PR middle-end/34971
743         * expr.c (expand_expr_real_1): Assert on rotates that operate
744         on partial modes.
745         * fold-const.c (fold_binary): Use the types precision, not the
746         bitsize of the mode if folding rotate expressions.  Build rotates
747         only for full modes.
748
749 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
750
751         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
752         and CPP_PRAGMA_EOL.
753         * c-pragma.c (pragma_ns_name): New typedef.
754         (registered_pp_pragmas): New variable.
755         (c_pp_lookup_pragma): New function.
756         (c_register_pragma_1): If flag_preprocess_only, do nothing
757         for non-expanded pragmas, for expanded ones push pragma's
758         namespace and name into registered_pp_pragmas vector.
759         (c_invoke_pragma_handler): Register OpenMP pragmas even when
760         flag_preprocess_only, don't register GCC pch_preprocess
761         pragma if flag_preprocess_only.
762         * c-opts.c (c_common_init): Call init_pragma even if
763         flag_preprocess_only.
764         * c-pragma.c (c_pp_lookup_pragma): New prototype.
765         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
766         cpp_register_pragma if flag_preprocess_only.
767
768 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
769
770         PR c/28800
771         * c-parser.c (c_parser_translation_unit): Warn for empty
772         translation unit, not empty source file.
773
774 2008-02-26  Paul Brook  <paul@codesourcery.com>
775
776         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
777         operand for Thumb-2.
778         * config/arm/arm.h (reg_class): Add CORE_REGS.
779         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
780         (BASE_REG_CLASS): Use CORE_REGS.
781         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
782         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
783         (REGNO_OK_FOR_INDEX_P): Exclude SP.
784         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
785         ARM_REGNO_OK_FOR_INDEX_P.
786         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
787         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
788         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
789         (ldm/stm peepholes): Ditto.
790         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
791         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
792         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
793         * config/arm/constraints.md: Enable "k" constraint on ARM.
794
795 2008-02-27  Ben Elliston  <bje@au.ibm.com>
796
797         * config/rs6000/rs6000.c: Annotate cache line size field in all
798         instances of struct processor_costs.
799
800 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
801
802         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
803         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
804         jump_bypass): New counters.
805         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
806         * dce.c (gate_ud_dce): Same.
807         (gate_fast_dce): Same.
808         * dse.c (gate_dse1): New function.
809         (gate_dse2): New function.
810         (gate_dse): Merge results of new gate functions.
811         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
812         (gate_handle_jump_bypass): Add dbg_cnt.
813         (gate_handle_gcse): Add dbg_cnt.
814         * ifcvt.c (gate_handle_if_conversion): Same.
815         (gate_handle_if_after_combine): Same.
816         (gate_handle_if_after_reload): Same.
817         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
818
819 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
820
821         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
822         line sizes.
823         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
824
825 2008-02-26  Jason Merrill  <jason@redhat.com>
826
827         PR c++/35315
828         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
829         alone if it's the naming decl for the type's main variant.
830
831 2008-02-26  Tom Tromey  <tromey@redhat.com>
832
833         * system.h (USE_MAPPED_LOCATION): Poison.
834         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
835         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
836         (make_goto_expr_edges): Likewise.
837         (remove_bb): Likewise.
838         (execute_warn_function_return): Likewise.
839         * basic-block.h (struct edge_def) <goto_locus>: Change type to
840         location_t.
841         * c-common.c (fname_decl): Remove old location code.
842         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
843         location code.
844         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
845         variant.
846         (ASM_INPUT_SOURCE_LOCATION): Likewise.
847         (gen_rtx_ASM_INPUT): Likewise.
848         (gen_rtx_ASM_INPUT_loc): Likewise.
849         (get_rtx_asm_OPERANDS): Remove.
850         * cfglayout.c (insn_locators_alloc): Remove old location code.
851         (set_curr_insn_source_location): Likewise.
852         (curr_insn_locator): Likewise.
853         * print-tree.c (print_node): Remove old location code.
854         * tree-mudflap.c (mf_varname_tree): Remove old location code.
855         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
856         * cfgexpand.c (expand_gimple_cond_expr): Don't use
857         location_from_locus.
858         (construct_exit_block): Remove old location code.
859         * emit-rtl.c (force_next_line_note): Remove old location code.
860         * profile.c (branch_prob): Remove old location code.
861         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
862         LOC_LINE): Remove old-location variants.
863         * langhooks.c (lhd_print_error_function): Remove old location
864         code.
865         * configure, config.in: Rebuilt.
866         * configure.ac (--enable-mapped-location): Remove.
867         * c-decl.c (c_init_decl_processing): Remove old location code.
868         (finish_function): Likewise.
869         * recog.c (decode_asm_operands): Remove old location code.
870         * c-pch.c (c_common_read_pch): Remove old location code.
871         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
872         variants.
873         * gimple-low.c (lower_function_body): Remove old location code.
874         * toplev.c (unknown_location): Remove.
875         (push_srcloc): Remove old-location variant.
876         (process_options): Remove old location code.
877         (lang_dependent_init): Likewise.
878         * input.h (UNKNOWN_LOCATION): Move definition.
879         (location_t): Undeprecate.
880         (source_locus): Remove.
881         (location_from_locus): Remove.
882         (struct location_s): Remove.
883         Remove all old-location code.
884         (input_line, input_filename): Remove.
885         * final.c (final_scan_insn): Remove old location code.
886         * diagnostic.c (diagnostic_build_prefix): Remove
887         USE_MAPPED_LOCATION test.
888         * tree.h (gimple_stmt) <locus>: Now a location_t.
889         (tree_exp) <locus>: Likewise.
890         (DECL_IS_BUILTIN): Remove old-location variant.
891         (annotate_with_file_line, annotate_with_locus): Likewise.
892         (expr_locus, set_expr_locus): Update.
893         * tree.c (build1_stat): Remove old location code.
894         (last_annotated_node): Remove.
895         (annotate_with_file_line): Remove old-location variant.
896         (annotate_with_locus): Likewise.
897         (expr_location): Remove old location code.
898         (set_expr_location): Likewise.
899         (expr_has_location): Likewise.
900         (expr_locus): Likewise.
901         (set_expr_locus): Likewise.
902         (expr_filename): Don't use location_from_locus.
903         (expr_lineno): Likewise.
904         * rtl-error.c (location_for_asm): Remove old location code.
905         * c-lex.c (cb_line_change): Remove old location code.
906         (fe_file_change): Likewise.
907         (cb_def_pragma): Likewise.
908         (c_lex_with_flags): Likewise.
909         * gengtype.c (do_typedef): Don't special-case location types.
910         (define_location_structures): Remove.
911         (main): Don't call define_location_structures.
912         * tree-pretty-print.c (dump_implicit_edges): Remove old location
913         code.
914
915 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
916
917         PR 26264
918         * builtins.def (BUILT_IN_STDARG_START): Remove.
919         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
920         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
921         * tree-inline.c (inline_forbidden_p_1): Likewise.
922         
923 2008-02-26  Richard Guenther  <rguenther@suse.de>
924
925         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
926         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
927         (lookup_decl_from_uid): Declare.
928         (remove_decl_from_map): Likewise.
929         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
930         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
931         (decl_for_uid_map): New global hashtable mapping DECL_UID
932         to the decl tree.
933         (init_ttree): Allocate it.
934         (insert_decl_to_uid_decl_map): New helper function.
935         (make_node_stat): Insert new decls into the map.
936         (copy_node_stat): Likewise.
937         (lookup_decl_from_uid): New function.
938         (remove_decl_from_map): Likewise.
939         (print_decl_for_uid_map_statistics): New helper.
940         (dump_tree_statistics): Call it.
941
942         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
943         (referenced_var_iterator): Adjust.
944         (FOR_EACH_REFERENCED_VAR): Adjust.
945         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
946         (num_referenced_vars): Adjust.
947         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
948         (first_referenced_var): Remove.
949         (end_referenced_vars_p): Likewise.
950         (next_referenced_var): Likewise.
951         (referenced_var_iterator_set): New helper function.
952         * tree-dfa.c (referenced_var_lookup): Adjust.
953         (referenced_var_check_and_insert): Likewise.
954         (remove_referenced_var): Likewise.
955         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
956         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
957         (verify_call_clobbering): Likewise.
958         (verify_memory_partitions): Likewise.
959         (init_tree_ssa): Allocate bitmap instead of hashtable for
960         referenced_vars.
961         (delete_tree_ssa): Adjust.
962         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
963         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
964         (compute_tag_properties): Likewise.
965         (set_initial_properties): Likewise.
966         (find_partition_for): Likewise.
967         (update_reference_counts): Likewise.
968         (dump_may_aliases_for): Likewise.
969         * tree-ssa-operands.c (add_virtual_operand): Likewise.
970         (add_call_clobber_ops): Likewise.
971         (add_call_read_ops): Likewise.
972         (get_asm_expr_operands): Likewise.
973         * tree-into-ssa.c (dump_decl_set): Likewise.
974         (update_ssa): Likewise.
975         * tree-sra.c (scan_function): Likewise.
976         (decide_instantiations): Likewise.
977         (scalarize_parms): Likewise.
978         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
979         (dsa_named_for): Likewise.
980         * tree-ssa-structalias.c (update_alias_info): Likewise.
981         (merge_smts_into): Likewise.
982
983 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
984
985         PR 34351
986         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
987         * c-opts.c (c_common_handle_option): Wall enables
988         Wvolatile-register-var.
989         * common.opt: Move Wvolatile-register-var to...
990         * c.opt: ...here.
991         
992 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
993
994         * common.opt (Wlarger-than=): New.
995         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
996         -Wlarger-than=.
997         * opts.c (common_handle_option): Handle -Wlarger-than=.
998         * optc-gen.awk: Likewise.
999         * opth-gen.awk: Likewise.
1000         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1001         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1002         
1003 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1004
1005         * c-common.c (match_case_to_enum_1): Add appropriate
1006         OPT_W* parameter to warning.
1007         (c_do_switch_warnings): Likewise.
1008         * c-typeck.c (warning_init): Add one more parameter following
1009         'warning' function.
1010         (push_init_level): Update call to warning_init.
1011         (pop_init_level): Likewise.
1012         (add_pending_init): Likewise.
1013         (output_init_element: Likewise.
1014
1015 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1016
1017         PR 28322
1018         * toplev.c (toplev_main): If there are warnings or error, print
1019         errors for ignored options.
1020         * opts.c (ignored_options): New static variable.
1021         (postpone_unknown_option_error): New.
1022         (print_ignored_options): New.
1023         (handle_option): Postpone errors for unknown -Wno-* options.
1024         * opts.h (print_ignored_options): Declare.
1025         
1026 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1027
1028         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1029         to "ghost".
1030
1031 2008-02-25  Richard Guenther  <rguenther@suse.de>
1032
1033         Revert:
1034         2008-02-25  Richard Guenther  <rguenther@suse.de>
1035
1036         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1037         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1038         (lookup_decl_from_uid): Declare.
1039         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1040         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1041         (decl_for_uid_map): New global hashtable mapping DECL_UID
1042         to the decl tree.
1043         (init_ttree): Allocate it.
1044         (insert_decl_to_uid_decl_map): New helper function.
1045         (make_node_stat): Insert new decls into the map.
1046         (copy_node_stat): Likewise.
1047         (lookup_decl_from_uid): New function.
1048         (print_decl_for_uid_map_statistics): New helper.
1049         (dump_tree_statistics): Call it.
1050
1051         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1052         (referenced_var_iterator): Adjust.
1053         (FOR_EACH_REFERENCED_VAR): Adjust.
1054         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1055         (num_referenced_vars): Adjust.
1056         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1057         (first_referenced_var): Remove.
1058         (end_referenced_vars_p): Likewise.
1059         (next_referenced_var): Likewise.
1060         (referenced_var_iterator_set): New helper function.
1061         * tree-dfa.c (referenced_var_lookup): Adjust.
1062         (referenced_var_check_and_insert): Likewise.
1063         (remove_referenced_var): Likewise.
1064         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1065         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1066         (verify_call_clobbering): Likewise.
1067         (verify_memory_partitions): Likewise.
1068         (init_tree_ssa): Allocate bitmap instead of hashtable for
1069         referenced_vars.
1070         (delete_tree_ssa): Adjust.
1071         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1072         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1073         (compute_tag_properties): Likewise.
1074         (set_initial_properties): Likewise.
1075         (find_partition_for): Likewise.
1076         (update_reference_counts): Likewise.
1077         (dump_may_aliases_for): Likewise.
1078         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1079         (add_call_clobber_ops): Likewise.
1080         (add_call_read_ops): Likewise.
1081         (get_asm_expr_operands): Likewise.
1082         * tree-into-ssa.c (dump_decl_set): Likewise.
1083         (update_ssa): Likewise.
1084         * tree-sra.c (scan_function): Likewise.
1085         (decide_instantiations): Likewise.
1086         (scalarize_parms): Likewise.
1087         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1088         (dsa_named_for): Likewise.
1089         * tree-ssa-structalias.c (update_alias_info): Likewise.
1090         (merge_smts_into): Likewise.
1091
1092 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1093
1094         PR fortran/29549
1095         * doc/invoke.texi (-fcx-limited-range): Document new option.
1096         * toplev.c (process_options): Handle -fcx-fortran-rules.
1097         * common.opt: Add documentation for -fcx-fortran-rules.
1098
1099 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1100
1101         PR c/35162
1102         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1103         actual behaviour and C99.
1104         
1105 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1106
1107         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1108         (ASM_CPU_POWER6_SPEC): Likewise.
1109         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1110         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1111         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1112
1113 2008-02-25  Richard Guenther  <rguenther@suse.de>
1114
1115         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1116         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1117         (lookup_decl_from_uid): Declare.
1118         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1119         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1120         (decl_for_uid_map): New global hashtable mapping DECL_UID
1121         to the decl tree.
1122         (init_ttree): Allocate it.
1123         (insert_decl_to_uid_decl_map): New helper function.
1124         (make_node_stat): Insert new decls into the map.
1125         (copy_node_stat): Likewise.
1126         (lookup_decl_from_uid): New function.
1127         (print_decl_for_uid_map_statistics): New helper.
1128         (dump_tree_statistics): Call it.
1129
1130         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1131         (referenced_var_iterator): Adjust.
1132         (FOR_EACH_REFERENCED_VAR): Adjust.
1133         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1134         (num_referenced_vars): Adjust.
1135         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1136         (first_referenced_var): Remove.
1137         (end_referenced_vars_p): Likewise.
1138         (next_referenced_var): Likewise.
1139         (referenced_var_iterator_set): New helper function.
1140         * tree-dfa.c (referenced_var_lookup): Adjust.
1141         (referenced_var_check_and_insert): Likewise.
1142         (remove_referenced_var): Likewise.
1143         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1144         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1145         (verify_call_clobbering): Likewise.
1146         (verify_memory_partitions): Likewise.
1147         (init_tree_ssa): Allocate bitmap instead of hashtable for
1148         referenced_vars.
1149         (delete_tree_ssa): Adjust.
1150         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1151         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1152         (compute_tag_properties): Likewise.
1153         (set_initial_properties): Likewise.
1154         (find_partition_for): Likewise.
1155         (update_reference_counts): Likewise.
1156         (dump_may_aliases_for): Likewise.
1157         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1158         (add_call_clobber_ops): Likewise.
1159         (add_call_read_ops): Likewise.
1160         (get_asm_expr_operands): Likewise.
1161         * tree-into-ssa.c (dump_decl_set): Likewise.
1162         (update_ssa): Likewise.
1163         * tree-sra.c (scan_function): Likewise.
1164         (decide_instantiations): Likewise.
1165         (scalarize_parms): Likewise.
1166         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1167         (dsa_named_for): Likewise.
1168         * tree-ssa-structalias.c (update_alias_info): Likewise.
1169         (merge_smts_into): Likewise.
1170
1171 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1172
1173         PR target/35258
1174         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1175         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1176         * alias.h (nonoverlapping_memrefs_p): Likewise.
1177
1178 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1179
1180         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1181         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1182         __emultls_get_address, __emultls_register_common,
1183         __floatundi?f, and _Unwind_GetIPInfo.
1184         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1185         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1186         (gen_regparm_prefix): Likewise.
1187         (i386_nlm_encode_section_info): Sync with
1188         config/i386/winnt.c:i386_pe_encode_section_info().
1189         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1190         i386_nlm_mangle_decl_assembler_name): New.
1191         (netware_override_options): New.
1192         * config/i386/netware.h (netware_override_options): Declare.
1193         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1194         (i386_nlm_mangle_decl_assembler_name): Declare.
1195         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1196
1197 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1198
1199         PR other/32948
1200         * c-decl.c (grokdeclarator): Remove unused local variables
1201         `typedef_type' and `type_as_written'.
1202         * bb-reorder.c
1203         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1204         unused local variable `has_hot_blocks'.
1205         (fix_crossing_conditional_branches): Remove unused local variable
1206         `prev_bb'.
1207         
1208 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1209
1210         PR middle-end/19984
1211         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1212         using DEF_C99_BUILTIN.
1213         (BUILT_IN_NANF): Ditto.
1214         (BUILT_IN_NANL): Ditto.
1215
1216 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1217             Revital Eres  <eres@il.ibm.com>
1218
1219         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1220         regarding the order of two dependent insns in the same row.
1221
1222 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1223
1224         * stor-layout.c (layout_decl): Do not bump the alignment of a
1225         bit-field to more than byte alignment if it is packed.
1226
1227 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1228
1229         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1230         e300c2 and e300c3.
1231
1232 2008-02-24  Diego Novillo  <dnovillo@google.com>
1233
1234         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1235
1236         PR 33738
1237         * tree-vrp.c (vrp_evaluate_conditional): With
1238         -Wtype-limits, emit a warning when comparing against a
1239         constant outside the natural range of OP0's type.
1240         * c.opt (Wtype-limits): Move ...
1241         * common.opt (Wtype-limits): ... here.
1242
1243 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1244
1245         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1246         * config/rs6000/e300c2c3.md: New file.
1247         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1248         e300c2 and e300c3.
1249         (rs6000_override_options): Add e300c2 and e300c3 cases to
1250         processor_target_table. Do not allow usage of Altivec or Spe
1251         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1252         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1253         * config/rs6000/rs6000.h (processor_type): Add
1254         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1255         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1256         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1257         and ppce300c3. Include e300c2c3.md.
1258
1259 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1260
1261         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1262         instead of TARGET_STRICT_ALIGN.
1263
1264 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1265
1266         * explow.c (memory_address): Assert that the generated address is
1267         valid.
1268
1269 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1270
1271         PR target/25477
1272         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1273         * config/darwin-ppc-ldouble-patch.def: New file.
1274         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1275         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1276         SUBTARGET_INIT_BUILTINS if defined.
1277         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1278         New functions.
1279
1280 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1281
1282         PR rtl-opt/33512
1283         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1284         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1285
1286 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1287
1288         PR pch/35027
1289         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1290         file" warning condtional on -Winvalid-PCH.
1291
1292 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1293
1294         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1295
1296 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1297
1298         PR target/22076
1299         PR target/34256 
1300         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1301         prevent reload from using MMX registers.
1302         (*mov<mode>_internal): Ditto.
1303         (*movv2sf_internal_rex64): Ditto.
1304         (*movv2sf_internal): Ditto.
1305
1306 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1307
1308         PR documentation/31569
1309         * doc/install.texi2html: Use makeinfo --no-number-sections.
1310
1311 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1312
1313         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1314         ensure that we can address an entire entity > 8 bytes.  Don't
1315         generate reg+reg addressing for such data.
1316
1317 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1318
1319         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1320         strings when optimizing for size, unless the target cares about
1321         alignment.
1322
1323 2008-02-22  Tom Tromey  <tromey@redhat.com>
1324
1325         * regclass.c (current_pass): Remove declaration.
1326
1327 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1328
1329         * config/avr/libgcc.S (__RAMPZ__): Define.
1330         (__do_copy_data): Add for devices with 128KB code memory.
1331
1332 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1333
1334         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1335         Use spe_abi.
1336         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1337
1338 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1339
1340         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1341         GENNONACR_REGS.
1342
1343 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1344
1345         PR c/19999
1346         * c-typeck.c (build_binary_op): Warn about floating point
1347         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1348
1349 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1350
1351         PR target/34526
1352         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1353         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1354         add vrsave.
1355         (rs6000_override_options): Set altivec_abi as default, not override,
1356         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1357         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1358         is used; use new member spe_abi.
1359         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1360         spe_abi and altivec_abi.
1361
1362 2008-02-22  Tomas Bily  <tbily@suse.cz>
1363
1364         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1365
1366 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1367
1368         PR bootstrap/35273
1369         * config.build (build_file_translate): Set to `CMD //c' only if
1370         it works.
1371         * Makefile.in (build_file_translate): Improve comment.
1372
1373 2008-02-21  Jan Hubicka  <jh@suse.cz>
1374
1375         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1376         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1377         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1378
1379 2008-02-21  Michael Matz  <matz@suse.de>
1380
1381         PR target/35264
1382         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1383
1384 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1385
1386         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1387         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1388         as insn constraint.
1389         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1390         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1391         SSE_VEC_FLOAT_MODE_P as insn constraint.
1392         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1393         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1394         sse4a_movntdf using MODEF mode iterator.
1395         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1396         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1397         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1398         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1399         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1400         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1401         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1402
1403 2008-02-21  Richard Guenther  <rguenther@suse.de>
1404
1405         * tree.def (PAREN_EXPR): New tree code.
1406         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1407         and PAREN_EXPR.
1408         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1409         * expr.c (expand_expr_real_1): Likewise.
1410         * tree-inline.c (estimate_num_insns_1): Likewise.
1411         * tree-complex.c (expand_complex_move): Likewise.
1412         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1413         as plain x.
1414
1415 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1416
1417         PR target/35225
1418         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1419
1420 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1421
1422         PR target/35190
1423         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1424
1425         * config/sh/sh.c (find_barrier): Don't go past
1426         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1427
1428 2008-02-20  DJ Delorie  <dj@redhat.com>
1429
1430         * config/h8300/h8300.md (insv): Force source operand to be a register.
1431
1432         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1433         as a jump, not as a plain insn.
1434         
1435 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1436
1437         * doc/invoke.texi (Warning Options): Add new option
1438         -Wframe-larger-than=.
1439         (-Wframe-larger-than): Document.
1440
1441         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1442         Add declarations for new option variables.
1443
1444         * final.c (final_start_function): Check the frame size
1445         before emission and issue a Wframe-larger-than warning.
1446
1447         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1448         Add definitions for new option variables.
1449         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1450
1451         * common.opt (Wframe-larger-than=): New option.
1452
1453 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1454
1455         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1456         (<sse>_div<mode>3): Ditto.
1457         (<sse>_vmdiv<mode>3): Ditto.
1458         (<sse>_vmsqrt<mode>2): Ditto.
1459         (*smax<mode>3): Ditto.
1460         (sse5_frcz<mode>2): Ditto.
1461         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1462         as insn constraint.
1463
1464 2008-02-20  Richard Guenther  <rguenther@suse.de>
1465
1466         PR middle-end/35265
1467         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1468         be happy with INTEGRAL_TYPE_P.
1469
1470 2008-02-20  Richard Guenther  <rguenther@suse.de>
1471
1472         * fold-const.c (split_tree): Associate floatig-point expressions
1473         if flag_associative_math is set.
1474
1475 2008-02-20  Richard Guenther  <rguenther@suse.de>
1476
1477         * tree.h (fold_real_zero_addition_p): Declare.
1478         * fold-const.c (fold_real_zero_addition_p): Export.
1479         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1480         floating-point operations with zero and one.
1481
1482 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1483
1484         * doc/install.texi: Correct references to CFLAGS, replacing them
1485         with BOOT_CFLAGS.  Document flags used during bootstrap for
1486         target libraries.
1487                                 
1488 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1489
1490         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1491         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1492         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1493         insn constraint.
1494         (smin<mode>3): Ditto from similar patterns.
1495         (smax<mode>3): Ditto.
1496         (*ieee_smin<mode>3): Ditto.
1497         (*ieee_smax<mode>3): Ditto.
1498         * config/i386/sse.md (sse): New mode attribute.
1499         (mov<mode>): Macroize expander from movv4sf and movv2df using
1500         SSEMODEF2P mode iterator.
1501         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1502         SSE_VEC_FLOAT_MODE_P as insn constraint.
1503         (storent<mode>): Ditto.
1504         (storent<mode>): Macroize expander from storentsf and storentdf using
1505         MODEF mode iterator.
1506         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1507         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1508         (abs<mode>2): Ditto from similar patterns.
1509         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1510         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1511         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1512         (<sse>_vmsqrt<mode>2): Ditto.
1513         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1514         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1515         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1516         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1517         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1518         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1519         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1520         insn constraint.
1521         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1522         iterator and SSE_FLOAT_MODE_P as insn constraint.
1523         (<sse>_ucomi): Ditto from similar patterns.
1524         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1525         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1526         SSE_VEC_FLOAT_MODE_P as insn constraint.
1527         (vcond<mode>): Ditto from similar patterns.
1528         (and<mode>3, *and<mode>3): Ditto.
1529         (<sse>_nand<mode>3): Ditto.
1530         (ior<mode>3, *ior<mode>3): Ditto.
1531         (xor<mode>3, *xor<mode>3): Ditto.
1532         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1533         iterator and SSE_FLOAT_MODE_P as insn constraint.
1534         (*nand<mode>3): Ditto from similar patterns.
1535         (*ior<mode>3): Ditto.
1536         (*xor<mode>3): Ditto.
1537
1538 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1539
1540         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1541         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1542         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1543
1544 2008-02-19  Jan Hubicka  <jh@suse.cz>
1545
1546         * predict.c (tree_bb_level_predictions): Remove variable next
1547         mistakely introduced by previous commit.
1548
1549 2008-02-19  Jan Hubicka  <jh@suse.cz>
1550
1551         * predict.c (predict_paths_leading_to): Rewrite.
1552         (predict_paths_for_bb): New.
1553         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1554
1555 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1556
1557         PR bootstrap/35218
1558         * Makefile.in (build_file_translate): New.
1559         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1560         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1561         * configure.ac (build_file_translate): Substitute it.
1562         * configure: Regenerate.
1563
1564 2008-02-19  Jan Hubicka  <jh@suse.cz>
1565
1566         PR rtl-optimization/34408
1567         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1568         invalid sharing.
1569
1570 2008-02-19  Jan Hubicka  <jh@suse.cz>
1571
1572         PR middle-end/28779
1573         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1574         call_expr.
1575
1576 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1577
1578         PR Ada/35186
1579         * config/i386/i386-modes.def: Revert the last DI alignment
1580         change until Ada people can look into it.
1581
1582 2008-02-19  Nick Clifton  <nickc@redhat.com>
1583
1584         * opts.c (print_specific_help): Fix typo in --help text.
1585
1586 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1587
1588         PR target/35239
1589         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1590         32-bit inline asm without asm alternatives for host GCC < 3.0.
1591
1592 2008-02-19  Richard Guenther  <rguenther@suse.de>
1593
1594         PR tree-optimization/34989
1595         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1596         Allow propagation to INDIRECT_REF if we can simplify only.
1597
1598 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1599
1600         * c-common.c (warn_for_collisions_1): Use appropriate option when
1601         warning.
1602
1603 2008-02-19  Nick Clifton  <nickc@redhat.com>
1604
1605         PR other/31349
1606         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1607         (handle_options): Fix indentation.
1608         (print_filtered_help): If no language-specific options were
1609         displayed tell the user how to list all the options supported by
1610         the language's front-end.
1611         (print_specific_help): Fix indentation and remove duplicate line.
1612         (common_handle_option): Handle the -v option.
1613         For --help enable the display of undocumented options if the -v
1614         switch has been included on the command line.
1615         For --help= check for overlaps in the arguments between the option
1616         classes and the language names and issue a warning when they
1617         cannot be disambiguated.
1618         * c.opt (v): Pass on to the common option handler.
1619
1620 2008-02-19  Revital Eres  <eres@il.ibm.com> 
1621
1622         * modulo-sched.c (sms_schedule): Change dump message when
1623         create_ddg function fails.
1624         (try_scheduling_node_in_cycle): Rename row to cycle.
1625         (print_partial_schedule): Rename CYCLE to ROW.
1626
1627 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1628             Zdenek Dvorak  <ook@ucw.cz>
1629
1630         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1631
1632 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1633
1634         PR target/33555
1635         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1636         (*x86_movdicc_0_m1_se): Ditto.
1637
1638 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1639
1640         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1641         (CMPtype): Define as __gcc_CMPtype.
1642         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1643         (CMPtype): Define as __gcc_CMPtype.
1644
1645 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1646
1647         Support valgrind 3.3 for --enable-checking=valgrind.
1648         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1649         here.
1650         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1651         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1652         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1653         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1654         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1655         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1656         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1657         respectively.
1658         * ggc-zone.c: Similar.
1659         * ggc-page.c: Similar.
1660
1661 2008-02-19  Paul Brook  <paul@codesourcery.com>
1662
1663         PR target/35071
1664         * config/arm/ieee754-df.S: Fix do_it typo.
1665         * config/arm/ieee754-sf.S: Fix do_it typo.
1666
1667 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1668
1669         PR target/35189
1670         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1671         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1672         (OPTION_MASK_ISA_SSE_SET): Likewise.
1673         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1674         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1675         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1676         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1677         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1678         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1679         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1680         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1681         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1682         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1683         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1684         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1685         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1686         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1687         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1688         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1689         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1690         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1691         (OPTION_MASK_ISA_SSE4): Removed.
1692         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1693         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1694         -mXXX.
1695         (override_options): Don't turn on implied SSE/MMX bits in
1696         ix86_isa_flags.
1697
1698 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1699
1700         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1701         32bit host.
1702
1703 2008-02-18  Joey Ye  <joey.ye@intel.com>
1704
1705         PR middle-end/34921
1706         * tree-nested.c (insert_field_into_struct): Set type alignment
1707         to field alignment if the former is less than the latter.
1708
1709 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1710
1711         * BASE-VER: Set to 4.4.0.
1712
1713 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1714
1715         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1716         * doc/cfg.texi: Likewise.
1717         * doc/extend.texi: Likewise.
1718         * doc/gty.texi: Likewise.
1719         * doc/invoke.texi: Likewise.
1720         * doc/loop.texi: Likewise.
1721         * doc/md.texi: Likewise.
1722         * doc/passes.texi: Likewise.
1723         * doc/rtl.texi: Likewise.
1724         * doc/sourcebuild.texi: Likewise.
1725         * doc/tm.texi: Likewise.
1726         * doc/tree-ssa.texi: Likewise.
1727
1728 2008-02-17  Richard Guenther  <rguenther@suse.de>
1729
1730         PR middle-end/35227
1731         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1732         without default definition.
1733
1734 2008-02-17  Richard Guenther  <rguenther@suse.de>
1735
1736         PR tree-optimization/35231
1737         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1738         if A | B != 1.
1739
1740 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1741
1742         Revert:
1743
1744         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
1745         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1746         libgcc_cmp_return mode.
1747
1748 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1749
1750         PR c/28368
1751         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1752
1753 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1754
1755         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1756         multilibs.
1757
1758 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1759
1760         * doc/c-tree.texi: Use `@.' where appropriate.
1761         * doc/extend.texi: Likewise.
1762         * doc/install.texi: Likewise.
1763         * doc/invoke.texi: Likewise.
1764         * doc/loop.texi: Likewise.
1765         * doc/makefile.texi: Likewise.
1766         * doc/md.texi: Likewise.
1767         * doc/passes.texi: Likewise.
1768         * doc/standards.texi: Likewise.
1769         * doc/tm.texi: Likewise.
1770
1771 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1772
1773         PR middle-end/35196
1774         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1775         in entry_bb.
1776         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1777         rather than in entry_bb.
1778
1779 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1780
1781         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1782         libgcc_cmp_return mode.
1783
1784 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1785
1786         PR middle-end/35130
1787         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1788         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1789
1790 2008-02-15  Richard Guenther  <rguenther@suse.de>
1791             Zdenek Dvorak  <ook@ucw.cz>
1792
1793         PR tree-optimization/35164
1794         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1795         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1796         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1797         Only propagate addresses which do not have abnormal SSA_NAMEs
1798         in their operands.
1799
1800 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1801
1802         PR target/35088
1803         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1804
1805 2008-02-15  Jan Hubicka  <jh@suse.cz>
1806
1807         PR middle-end/35149
1808         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1809
1810 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1811
1812         PR middle-end/34621
1813         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1814         when calculating alignment_pad.
1815
1816 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1817
1818         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1819         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1820         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1821         and STACK_BOUNDARY define.
1822
1823 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1824
1825         PR preprocessor/35061
1826         * c-pragma.c (handle_pragma_pop_macro): Check that
1827         pushed_macro_table has been allocated.
1828
1829 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1830
1831         PR middle-end/35136
1832         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1833         (force_gimple_operand): Likewise.
1834         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1835         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1836         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1837         (find_interesting_uses_address): Check addressability and alignment
1838         of the base expression only after substituting bases of IVs into it.
1839
1840 2008-02-14  Michael Matz  <matz@suse.de>
1841
1842         PR target/34930
1843         * function.c (instantiate_virtual_regs_in_insn): Reload address
1844         before falling back to reloading the whole operand.
1845
1846 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1847
1848         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1849         before the first section switch note.
1850
1851 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1852
1853         * doc/bugreport.texi: Update copyright years.
1854         * doc/c-tree.texi: Likewise.
1855         * doc/cfg.texi: Likewise.
1856         * doc/cpp.texi: Likewise.
1857         * doc/cppinternals.texi: Likewise.
1858         * doc/fragments.texi: Likewise.
1859         * doc/frontends.texi: Likewise.
1860         * doc/gcc.texi: Likewise.
1861         * doc/gty.texi: Likewise.
1862         * doc/hostconfig.texi: Likewise.
1863         * doc/implement-c.texi: Likewise.
1864         * doc/libgcc.texi: Likewise.
1865         * doc/loop.texi: Likewise.
1866         * doc/makefile.texi: Likewise.
1867         * doc/options.texi: Likewise.
1868         * doc/passes.texi: Likewise.
1869         * doc/rtl.texi: Likewise.
1870         * doc/sourcebuild.texi: Likewise.
1871         * doc/standards.texi: Likewise.
1872         * doc/tree-ssa.texi: Likewise.
1873         * doc/trouble.texi: Likewise.
1874
1875         * doc/extend.texi: Use @: or add comma where appropriate.
1876         * doc/invoke.texi: Likewise.
1877         * doc/tm.texi: Likewise.
1878
1879 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1880
1881         PR target/34393
1882         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1883         to a reg.
1884
1885 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1886
1887         * doc/md.texi (clz, ctz): Add reference.
1888         * doc/rtl.texi (clz, ctz): Likewise.
1889
1890 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1891
1892         PR other/35148
1893         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1894         srcdir.
1895
1896 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1897
1898         * config/s390/s390.c (struct constant_pool): New field
1899         emit_pool_after added.
1900         (s390_mainpool_start): Set the emit_pool_after flag according
1901         to the section switch notes.
1902         (s390_mainpool_finish): Consider emit_pool_after when emitting
1903         the literal pool at the end of the function.
1904         (s390_chunkify_start): Force literal pool splits at section
1905         switch notes.
1906
1907 2008-02-13  Michael Matz  <matz@suse.de>
1908
1909         PR debug/35065
1910         * var-tracking.c (clobber_variable_part): Correctly traverse the
1911         list.
1912
1913 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1914
1915         PR 29673
1916         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1917         Add -fdump-ipa-inline.
1918         * tree-dump.c (dump_files): Remove tree-inlined dump.
1919         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
1920         
1921 2008-02-12  Richard Guenther  <rguenther@suse.de>
1922
1923         PR tree-optimization/35171
1924         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
1925         default defs.
1926
1927 2008-02-12  Richard Guenther  <rguenther@suse.de>
1928
1929         PR middle-end/35163
1930         * fold-const.c (fold_widened_comparison): Use get_unwidened in
1931         value-preserving mode.  Disallow final truncation.
1932
1933 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1934
1935         PR middle-end/35136
1936         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
1937         code from here to...
1938         (force_gimple_operand): ...here.
1939
1940 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
1941
1942         PR c++/35144
1943         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
1944         non-compatible pointers.
1945         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
1946         different FIELD_DECLs, try harder by comparing field offsets, sizes
1947         and types.
1948
1949         PR inline-asm/35160
1950         * function.c (match_asm_constraints_1): Don't replace the same input
1951         multiple times.
1952
1953 2008-02-12  Anatoly Sokolov <aesok@post.ru>
1954
1955         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
1956         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
1957         (expand_epilogue): Restore RAMPZ register.
1958         * config/avr/avr.md (RAMPZ_ADDR): New constant.
1959
1960 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
1961
1962         * config/i386/cygwin.asm: (__alloca): Correct calling
1963         convention and alignment.
1964         (__chkstk): Force 8 byte stack alignment.
1965
1966 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
1967             Richard Guenther  <rguenther@suse.de>
1968
1969         PR tree-optimization/33992
1970         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
1971         the zero we compare against.
1972
1973 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
1974
1975         PR libfortran/35063
1976         * gthr-win32.h (__gthread_mutex_destroy_function): New function
1977         to CloseHandle after unlocking to prevent accumulation of handle
1978         count.
1979
1980 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1981
1982         PR middle_end/34150
1983         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
1984         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
1985         and update LABEL_NUSES during and after reload.
1986
1987 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
1988
1989         PR middle-end/34627
1990         * combine.c (simplify_if_then_else): Make sure the comparison is
1991         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
1992
1993 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1994
1995         PR bootstrap/35051
1996         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
1997         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
1998         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
1999         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2000         * tree.h (get_type_static_bounds): Likewise.
2001
2002 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2003
2004         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2005         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2006         Make -Wfoo language annotations match what the compiler outputs.
2007
2008 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2009
2010         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
2011         intrinsics spu_convts, spu_convtu, spu_convtf.
2012         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2013
2014 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2015
2016         * doc/extend.texi (Function Attributes) <noinline>: Mention
2017         asm ("") as method to keep calls.
2018
2019 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2020
2021         PR other/32754
2022         * doc/options.texi (Options): Replace references to opts.sh with
2023         optc-gen.awk.
2024         * opts-common.c: Likewise.
2025         * optc-gen.awk: Likewise.
2026         
2027 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2028
2029         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2030
2031 2008-02-07  Richard Henderson  <rth@redhat.com>
2032
2033         PR rtl-opt/33410
2034         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2035         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
2036         funny mode.
2037
2038 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2039
2040         PR tree-optimization/35085
2041         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2042         for operand entry oe2 in addition to operand entry oe3 in order to
2043         expose more opportunities for vectorizer sum reduction.
2044
2045 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2046
2047         PR other/35107
2048         * Makefile.in (LIBS): Remove $(GMPLIBS).
2049         (cc1-dummy, cc1): Add $(GMPLIBS).
2050
2051 2008-02-06  Jan Hubicka  <jh@suse.cz>
2052
2053         PR target/23322
2054         * i386.md (moddf_integer): Do not produce partial memory stalls for
2055         targets where it hurts.
2056
2057 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2058
2059         PR target/35083
2060         * optabs.c (expand_float): Do not check for decimal modes when
2061         expanding unsigned integer through signed conversion.
2062
2063 2008-02-06  Nick Clifton  <nickc@redhat.com>
2064
2065         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2066         inside the clobber with a match_operand and duplicated operand
2067         number in the constraint.
2068         (ineqbranchsi): Delete redundant comment.
2069
2070 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2071
2072         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
2073         builtin_define ("__USE_INIT_FINI__").
2074         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2075         -msx multilibs.
2076         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2077
2078 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2079
2080         PR documentation/30330
2081         * doc/invoke.texi (C++ Dialect Options)
2082         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2083         For each warning option -Wfoo that allows -Wno-foo, ensure both
2084         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2085         entry of -Wswitch-default, index -Wnormalized= including the
2086         `=', and -Wlarger-than-@var{len} including @var{len}.
2087
2088 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2089
2090         * config/i386/i386.md (floatunssisf2): Use
2091         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2092         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2093         Macroize expander using MODEF mode iterator.
2094
2095 2008-02-05  Diego Novillo  <dnovillo@google.com>
2096
2097         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2098
2099         PR 33738
2100         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2101
2102 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2103
2104         PR other/35070
2105         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2106
2107 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2108
2109         PR target/35084
2110         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2111         to indicate if a message should be generated.
2112         (init_cumulative_args): Updated.
2113         (function_value_32): Likewise.
2114
2115 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2116
2117         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2118
2119 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2120
2121         PR target/35083
2122         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2123         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2124
2125 2008-02-04  Diego Novillo  <dnovillo@google.com>
2126
2127         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2128
2129         PR 33738
2130         * tree-vrp.c (vrp_evaluate_conditional): With
2131         -Wtype-limits, emit a warning when comparing against a
2132         constant outside the natural range of OP0's type.
2133
2134 2008-02-04  Richard Guenther  <rguenther@suse.de>
2135
2136         PR middle-end/33631
2137         * expr.c (count_type_elements): Give for unions instead of
2138         guessing.
2139
2140 2008-02-04  Richard Guenther  <rguenther@suse.de>
2141
2142         PR middle-end/35043
2143         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2144         to TYPE_DOMAINs base type instead of using bitsizetype here.
2145
2146 2008-02-03  Jason Merrill  <jason@redhat.com>
2147
2148         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2149
2150 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2151
2152         PR other/29972
2153         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2154         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2155         (RS/6000 and PowerPC Options): Fix typos and markup.
2156         * doc/passes.texi (Tree-SSA passes): Likewise.
2157
2158 2008-02-02  Michael Matz  <matz@suse.de>
2159
2160         PR target/35045
2161         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2162         from record_last_reg_set_info.
2163         (record_last_reg_set_info): Take an RTX argument, iterate over all
2164         constituent hardregs.
2165         (record_last_set_info, record_opr_changes): Change calls to
2166         new signature or to record_last_reg_set_info_regno.
2167
2168 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2169
2170         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2171
2172 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2173
2174         PR rtl-optimization/34773
2175         * reg-notes.def (EQUAL): Mention significance of combination of
2176         REG_EQUAL and REG_RETVAL.
2177         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2178         insn that has a REG_RETVAL.
2179
2180 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2181
2182         PR bootstrap/33781
2183         * configure.ac (--enable-fixed-point): Disable unless explicitly
2184         requested on IRIX.
2185         * configure: Regenerate.
2186
2187 2008-02-01  Richard Guenther  <rguenther@suse.de>
2188
2189         PR other/35042
2190         * invoke.texi (-finline-limit): Remove no longer true parts
2191         of the documentation.  Note that there is no default value.
2192
2193 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2194             Mark Mitchell  <mark@codesourcery.com>
2195             Ben Elliston  <bje@au.ibm.com>
2196
2197         PR c/29326
2198         * doc/extend.texi (Other Builtins): Document.
2199
2200 2008-01-31  Tom Browder <tom.browder@gmail.com>
2201
2202         * doc/c-tree.texi (Types): Fix grammar.
2203         (Expression trees): Ditto.
2204         * doc/passes.texi (Tree-SSA passes): Ditto.
2205         
2206         * doc/configterms.texi (Configure Terms): Fix typo.
2207         * doc/cpp.texi (Common Predefined Macros): Ditto.
2208         * doc/md.texi (Machine Constraints): Ditto.
2209         
2210         * doc/makefile.texi (Makefile): Add comma.
2211
2212 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2213             Gerald Pfeifer  <gerald@pfeifer.com>
2214         
2215         * doc/sourcebuild.texi (Front End): Remove references to CVS
2216         and CVSROOT/modules.
2217         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2218         (Back End): Remove reference to CVS.
2219
2220 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2221
2222         PR target/34900
2223         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2224         comment from...
2225         (mips16_gp_pseudo_reg): ...here.
2226         * config/mips/mips.md (load_const_gp): Replace with...
2227         (load_const_gp_<mode>): ...this :P-based insn.
2228
2229 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2230
2231         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2232         options. Minor fixes.
2233         (-std): Move reference to standards closer to where language
2234         standards are first mentioned.
2235         
2236 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2237
2238         PR rtl-optimization/34995
2239         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2240         parameter and return a bool.  If the rtx parameter is nonnull,
2241         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2242         (find_reloads): Update call accordingly.  Pass the new operand
2243         if it needed no address reloads, otherwise pass null.
2244
2245 2008-01-30  Richard Henderson  <rth@redhat.com>
2246
2247         PR c/34993
2248         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2249         for unbounded arrays.
2250
2251 2008-01-30  Silvius Rus  <rus@google.com>
2252
2253         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2254
2255 2008-01-30  Jan Hubicka  <jh@suse.cz>
2256
2257         PR target/34982
2258         * i386.c (init_cumulative_args): Use real function declaration when
2259         calling locally.
2260
2261 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2262
2263         PR rtl-optimization/34998
2264         * global.c (build_insn_chain): Treat non-subreg_lowpart
2265         SUBREGs of pseudos as clobbering all the words covered by the
2266         SUBREG, not just all the bytes.
2267         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2268         original df_ref rather than an extract parameter.
2269         (global_conflicts): Update call accordingly.
2270
2271 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2272
2273         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2274         the overflow check to make it easier to read.
2275         (__fixtfdi): Change the type of the ll member in union
2276         long_double to UDItype_x.
2277
2278 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2279
2280         PR middle-end/34969
2281         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2282         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2283         * tree-inline.c (fold_marked_statements): Call
2284         cgraph_update_edges_for_call_stmt if folding a call statement.
2285         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2286         debug_generic_stmt calls, reset it back afterwards.
2287
2288         PR c/35017
2289         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2290         static decls.
2291         * c-typeck.c (build_external_ref): Don't pedwarn about
2292         static vars in current function's scope.
2293
2294 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2295
2296         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2297
2298 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2299
2300         PR c/35002
2301         * ipa-struct-reorg.c: Fix spelling.
2302         * params.def: Ditto.
2303
2304 2008-01-29  Richard Guenther  <rguenther@suse.de>
2305
2306         PR middle-end/35006
2307         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2308         field.
2309         * tree-inline.c (remap_type): Increment remapping_type_depth
2310         around remapping types.
2311         (copy_body_r): Only add referenced variables if they are referenced
2312         from code, not types.
2313
2314 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2315
2316         PR c++/34055
2317         PR c++/34103
2318         PR c++/34219
2319         PR c++/34606
2320         PR c++/34753
2321         PR c++/34754
2322         PR c++/34755
2323         PR c++/34919
2324         PR c++/34961
2325         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2326         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2327
2328 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2329
2330         PR target/34412
2331         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
2332         pointer for tiny stack.
2333
2334 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2335
2336         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2337
2338 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2339
2340         * config/vx-common.h: Fix typo in comment.
2341
2342 2008-01-28  Ian Lance Taylor  <iant@google.com>
2343
2344         PR c++/34862
2345         PR c++/33407
2346         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2347         coalesce pointers if they have different DECL_NO_TBAA_P values.
2348         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2349         between variables with different DECL_NO_TBAA_P values.
2350
2351 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2352
2353         PR 31535
2354         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2355         are not legitimate small data references on SPE targets.
2356
2357 2008-01-28  David Daney  <ddaney@avtrex.com>
2358
2359         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2360
2361 2008-01-28  David Daney  <ddaney@avtrex.com>
2362
2363         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2364
2365 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2366
2367         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2368         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2369         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2370         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2371         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2372         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2373         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2374         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2375
2376 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2377
2378         * basic-block.h (condjump_equiv_p): Fix comment.
2379
2380 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2381
2382         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2383         print_generic_stmt_indented): Fix comment.
2384
2385 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2386
2387         * configure.ac (__stack_chk_fail): Add detecion for availability
2388         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2389         * configure: Regenerate.
2390
2391 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2392
2393         PR middle-end/34688
2394         * final.c (output_addr_const): Handle TRUNCATE.
2395
2396 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2397
2398         PR target/34711
2399         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2400         (zero_cost, infinite_cost): New constants.
2401         (struct cost_pair): Change type of cost to comp_cost.
2402         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2403         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2404         New functions.
2405         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2406         split_address_cost, ptr_difference_cost, difference_cost,
2407         get_computation_cost_at, get_computation_cost,
2408         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2409         determine_use_iv_cost_condition, determine_use_iv_costs,
2410         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2411         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2412         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2413         Change type of cost to comp_cost.
2414         (determine_iv_cost): Increase cost of non-original ivs, instead
2415         of decreasing the cost of original ones.
2416         (get_address_cost): Indicate the complexity of the addressing mode 
2417         in comp_cost.
2418         (try_add_cand_for): Prefer using ivs not specific to some object.
2419         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2420
2421 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2422             Janis Johnson  <janis187@us.ibm.com>
2423
2424         PR target/34814
2425         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2426         (TARGET_INSTANTIATE_DECLS): Likewise.
2427         * target.h (expand_to_rtl_hook): New target hook.
2428         (instantiate_decls): Likewise.
2429         * function.c (instantiate_decl): Make non-static.  Rename to...
2430         (instantiate_decl_rtl): ... this.
2431         (instantiate_expr): Use instantiate_decl_rtl.
2432         (instantiate_decls_1): Likewise.
2433         (instantiate_decls): Likewise.
2434         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2435         * function.h (instantiate_decl_rtl): Add prototype.
2436         * cfgexpand.c (target.h): New include.
2437         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2438         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2439         (TARGET_INSTANTIATE_DECLS): Likewise.
2440         (TARGET_INITIALIZER): New target hooks added.
2441         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2442         New prototype.
2443         * config/rs6000/rs6000.c (tree-flow.h): New include.
2444         (machine_function): Add sdmode_stack_slot field.
2445         (rs6000_alloc_sdmode_stack_slot): New function.
2446         (rs6000_instantiate_decls): Likewise.
2447         (rs6000_secondary_memory_needed_rtx): Likewise.
2448         (rs6000_check_sdmode): Likewise.
2449         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2450         (TARGET_INSTANTIATE_DECLS): Likewise.
2451         (rs6000_hard_regno_mode_ok): Allow SDmode.
2452         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2453         (rs6000_emit_move): Handle SDmode.
2454         (function_arg_advance): Likewise.
2455         (function_arg): Likewise.
2456         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2457         SDmode var args for 32-bit compiles.
2458         (rs6000_secondary_reload_class): Handle SDmode.
2459         (rs6000_output_function_epilogue): Likewise.
2460         (rs6000_function_value): Simplify if statement.
2461         (rs6000_libcall_value): Likewise.
2462         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2463         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2464         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2465         (movsd_hardfloat): New define_insn.
2466         (movsd_softfloat): Likewise.
2467         (movsd_store): Likewise.
2468         (movsd_load): Likewise.
2469         (extendsddd2): Likewise.
2470         (extendsdtd2): Likewise.
2471         (truncddsd2): Likewise.
2472         (movdd_hardfloat64): Fixup comment.
2473         (UNSPEC_MOVSD_LOAD): New constant.
2474         (UNSPEC_MOVSD_STORE): Likewise.
2475
2476 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2477
2478         PR c++/34965
2479         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2480         TRUTH_XOR_EXPR.
2481         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2482         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2483         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2484         and TRUTH_XOR_EXPR.
2485
2486 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2487
2488         PR target/34794
2489         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2490         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2491         __LONGDOUBLE128 too.
2492         * config/rs6000/aix61.h: New file.
2493
2494 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2495
2496         PR rtl-optimization/34959
2497         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2498         popcount and parity rtxes the same mode as their operand.
2499         Truncate or extend the result to the return value's mode
2500         if necessary.
2501
2502 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2503
2504         PR target/34981
2505         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2506         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2507         to GOT_VERSION_REGNUM.
2508         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2509         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2510         * config/mips/mips.c (mips_emit_call_insn): New function.
2511         (mips_call_tls_get_addr): Call mips_expand_call directly.
2512         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2513         emit_call_insn.
2514         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2515         (mips_expand_call): Update the call to mips16_build_call_stub
2516         accordingly and a remove redundant condition.  Assert that MIPS16
2517         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2518         the call insn.
2519         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2520         TARGET_USE_GOT.
2521         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2522         (mips_avoid_hazard): Remove hazard_set handling.
2523         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2524         (UNSPEC_RESTORE_GP): ...this.
2525         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2526         (FAKE_CALL_REGNO): Rename to...
2527         (GOT_VERSION_REGNUM): ...this.
2528         (type): Add "ghost" value.  Add an associated insn reservation.
2529         (hazard_set): Remove.
2530         (exception_receiver): Rename to...
2531         (restore_gp): ...this and update the unspec identifier accordingly.
2532         (exception_receiver, nonlocal_got_receiver): New expanders.
2533         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2534         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2535         (set_got_version, update_got_version): New patterns.
2536
2537 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2538
2539         PR target/34970
2540         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2541
2542 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2543
2544         PR other/31955
2545         * doc/install.texi2html: Generate gcc-vers.texi.
2546
2547 2008-01-25  DJ Delorie  <dj@redhat.com>
2548
2549         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2550
2551 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2552
2553         * config/c4x: Remove directory.
2554         * config.gcc (crx-*, mt-*): Mark obsolete.
2555         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2556         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2557         sh-*-rtemscoff*): Remove cases.
2558         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2559         * real.c (encode_c4x_single, decode_c4x_single,
2560         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2561         c4x_extended_format): Remove.
2562         * real.h (c4x_single_format, c4x_extended_format): Remove.
2563         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2564         on C4x.
2565         (Pragmas): Remove comment about c4x pragmas.
2566         * doc/install.texi (c4x): Remove target-specific instructions.
2567         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2568         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2569         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2570         refer to C4x source files as examples.
2571         (C4X_FLOAT_FORMAT): Remove documentation.
2572
2573 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2574
2575         * config/bfin/bfin.c (override_options): Reorder tests so that
2576         flag_pic gets enabled for -msep-data.
2577
2578 2008-01-25  Richard Guenther  <rguenther@suse.de>
2579
2580         PR middle-end/32244
2581         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2582         to its bitfield precision if required.
2583
2584 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2585
2586         PR middle-end/33880
2587         * tree-nested.c (walk_omp_for): New function.
2588         (convert_nonlocal_reference, convert_local_reference): Call
2589         walk_omp_for on OMP_FOR.
2590         (convert_call_expr): Call walk_body on OMP_FOR's
2591         OMP_FOR_PRE_INIT_BODY.
2592
2593 2008-01-25  Richard Guenther  <rguenther@suse.de>
2594
2595         PR tree-optimization/34966
2596         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2597         default defs and PHI_NODEs we have to insert after the
2598         defining statement.
2599
2600 2008-01-24  Nick Clifton  <nickc@redhat.com>
2601
2602         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2603         Provide a default definition.
2604         (LIBGCC2_UNITS_PER_WORD): Likewise.
2605
2606         * config/stormy16/stormy16.c: Include df.h for the prototype
2607         for df_regs_ever_live_p.
2608         (xstormy16_expand_builtin_va_start): Convert the stack offset
2609         into a component_ref and then use POINTER_PLUS_EXPR to add it
2610         to the incoming_virtual_args_rtx.
2611         (xstormy16_gimplify_va_arg_expr): Rename to
2612         xstormy16_gimplify_va_arg_expr.
2613         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2614         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2615         xstormy16_gimplify_va_arg_expr.
2616         Fix up some formatting issues.
2617
2618         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2619         Move to predicates.md.
2620         (xs_hi_general_operand): Likewise.
2621         (xs_hi_nonmemory_operand): Likewise.
2622         * config/stormy16/predicates.md:
2623         (xstormy16_carry_plus_operand): New predicate.
2624         (xs_hi_general_operand): New predicate.
2625         (xs_hi_nonmemory_operand): New predicate.
2626         * config/stormy16/stormy16-protos.h:
2627         (xstormy16_carry_plus_operand): Delete prototype.
2628         (xs_hi_general_operand): Likewise.
2629         (xs_hi_nonmemory_operand): Likewise.
2630
2631         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2632         modifiers as they are no longer needed and they can trigger
2633         reload spill failures.
2634
2635         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2636         with a match_operand in order to help reload.
2637
2638         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2639         constraint with 'e' for the 8th alternative as this version of
2640         the mov.w instruction only accepts the lower 8 registers.
2641
2642 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2643
2644         PR target/34856
2645         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2646         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2647         vector elements.
2648
2649 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2650
2651         PR middle-end/33333
2652         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2653
2654 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2655
2656         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2657         New functions.
2658         (remove_structure): Update allocations list before removing structure.
2659         
2660 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2661
2662         * ipa-struct-reorg.c (is_safe_cond_expr, 
2663         create_new_stmts_for_cond_expr): Use integer_zerop function,
2664         that recognize not only zero-pointer, but zero-integer too.
2665
2666 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2667
2668         PR other/22232
2669         * fixproto: Escape "." in sed expression that strips leading "./".
2670
2671 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2672
2673         PR driver/34904
2674         * gcc.c (SWITCH_OK): Removed.
2675         (SWITCH_LIVE): Changed to bit.
2676         (SWITCH_FALSE): Likewise.
2677         (SWITCH_IGNORE): Likewise.
2678         (switchstr): Change live_cond to unsigned int.
2679         (process_command): Replace SWITCH_OK with 0.
2680         (do_self_spec): Likewise.
2681         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2682         (give_switch): Likewise.
2683         (used_arg): Likewise.
2684         (do_spec_1): Set the SWITCH_IGNORE bit.
2685         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2686         bits.  Set the SWITCH_LIVE bit.
2687
2688 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2689
2690         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2691
2692 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2693
2694         PR tree-optimization/34472
2695         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2696         parameter to a "bool *" and set *DATA to false if there is
2697         an unsafe access.  Do not delete the structure here.
2698         (check_cond_exprs): Delete it here instead.
2699         (check_cond_exprs, exclude_cold_structs): Do not increase
2700         I when removing a structure.
2701
2702 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2703
2704         PR target/34856
2705         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2706         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2707
2708 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2709
2710         PR middle-end/34934
2711         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2712         a fixed vector for stack.
2713
2714 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2715
2716         PR c++/25701
2717         * doc/gcc.texi (Software development): Add a direntry for g++.
2718         
2719 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2720
2721         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2722         stale and straggling -fforce-addr comments above.
2723
2724         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2725         define.
2726         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2727         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2728
2729 2008-01-23  Michael Matz  <matz@suse.de>
2730
2731         PR debug/34895
2732         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2733         gen_type_die.
2734
2735 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2736
2737         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2738         malloc result type.
2739
2740 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2741
2742         * config/avr/avr.c (avr_current_arch): New variable.
2743         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2744         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2745         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2746         (avr_override_options): Init 'avr_current_arch'. 
2747         (base_arch_s): Move from here...
2748         * config/avr/avr.h (base_arch_s): ... here. Add new members 
2749         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
2750         'mega' to 'have_jmp_call'.
2751         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
2752         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2753         macros.
2754         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
2755         architectures.
2756         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
2757         MULTILIB_MATCHES): (Ditto.).
2758
2759 2008-01-23  Richard Guenther  <rguenther@suse.de>
2760
2761         PR middle-end/31529
2762         * cgraphunit.c (cgraph_reset_node): Always mark the node
2763         not reachable if it is not queued already.
2764
2765 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2766
2767         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2768         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2769         (cputype_selected): New static variable.
2770         (bfin_handle_option): Set it if -mcpu is used.
2771         (override_option): Select default set of workarounds if no cpu type
2772         selected on the command line.
2773         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2774
2775         From  Michael Frysinger  <michael.frysinger@analog.com>
2776         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2777         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2778
2779         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2780         for bf547, bf523, bf524, and bf526.
2781         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2782         bf526.
2783         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2784         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2785         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2786         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2787         * doc/invoke.texi (Blackfin Options): Document that
2788         -mcpu now accept bf547, bf523, bf524, and bf526.
2789
2790 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2791
2792         PR rtl-optimization/34628
2793         * combine.c (try_combine): Stop and undo after the first combination
2794         if an autoincrement side-effect on the first insn has effectively
2795         been lost.
2796
2797 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2798
2799         PR target/34529
2800         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2801         Offset addresses are not valid for Altivec or paired float modes.
2802
2803 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2804
2805         PR c++/34607
2806         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2807         if DECL_INITIAL (decl) is error_mark_node.
2808
2809         PR c++/34914
2810         * c-common.c (handle_vector_size_attribute): Only allow
2811         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2812         the same way as pointer, array etc. types.
2813         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2814
2815         PR c++/34917
2816         * tree.c (build_type_attribute_qual_variant): Call
2817         build_qualified_type if attributes are equal, but quals are not.
2818
2819 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2820
2821         PR 32102
2822         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2823         * flags.h (warn_strict_aliasing): Remove.
2824         (warn_strict_overflow): Remove.
2825         * opts.c (warn_strict_aliasing): Remove.
2826         (warn_strict_overflow): Remove.
2827         * c-opts.c (c_common_handle_option): -Wall only sets
2828         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2829         (c_common_post_options): Give default values to -Wstrict-aliasing
2830         and -Wstrict-overflow if they are uninitialized.
2831         * common.opt (Wstrict-aliasing): Specify Var and Init.
2832         (Wstrict-overflow): Likewise.
2833
2834 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2835
2836         PR rtl-optimization/26854
2837         PR rtl-optimization/34400
2838         PR rtl-optimization/34884
2839         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2840         DF_RD->gen.
2841         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2842         (df_rd_bb_info.expanded_lr_out): Deleted
2843         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2844         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2845         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2846         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2847         Removed code to allocate, initialize or free expanded_lr_out.
2848         (df_rd_bb_local_compute_process_def): Restructured to make more
2849         understandable.
2850         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2851         sets if the sets are being trimmed.
2852
2853 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2854
2855         PR bootstrap/32287
2856         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2857         (as_vers): Likewise.
2858         * configure: Regenerated.
2859
2860 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2861
2862         PR middle-end/33092
2863         * tree-pass.h (pass_build_alias): New pass.
2864         * tree-ssa-alias.c (gate_build_alias): New.
2865         (pass_build_alias): New.
2866         * passes.c (init_optimization_passes): Add pass_build_alias after
2867         pass_create_structure_vars.
2868
2869 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2870
2871         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2872         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2873         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2874         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2875         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2876         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2877         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2878         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2879         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2880         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2881         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2882         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2883         * config/s390/s390.md (FP_ALL): New mode iterator.
2884         (_d): New mode attribute.
2885         ("*signbit<mode>2>"): Changed mode of first operand.
2886         ("isinf<mode>2"): Changed mode of first operand.
2887         ("*TDC_insn"): Adaptation for DFP modes.
2888
2889 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2890
2891         * tree.c (check_qualified_type): Improve function description.
2892
2893 2008-01-21  Jason Merrill  <jason@redhat.com>
2894
2895         PR c++/34196
2896         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2897         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2898         if it is set.
2899
2900 2008-01-21  DJ Delorie  <dj@redhat.com>
2901
2902         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2903         return zero.
2904
2905 2008-01-21  Richard Guenther  <rguenther@suse.de>
2906
2907         PR middle-end/34856
2908         * tree-cfg.c (verify_expr): Allow all invariant expressions
2909         instead of just constant class ones as reference argument.
2910         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2911         like any other constant.
2912         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2913
2914 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2915
2916         * regmove.c (fixup_match_1): Update call crossed frequencies.
2917
2918 2008-01-21  Richard Guenther  <rguenther@suse.de>
2919
2920         PR c/34885
2921         * tree-inline.c (setup_one_parameter): Deal with mismatched
2922         types using a VIEW_CONVERT_EXPR.
2923
2924 2008-01-21  Alon Dayan  <alond@il.ibm.com>
2925             Olga Golovanevsky  <olga@il.ibm.com>
2926         
2927         PR tree-optimization/34701
2928         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
2929         when the structure size is not a power of 2.
2930
2931 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
2932
2933         * doc/install.texi: Add doc for --enable-checking=df.
2934         
2935 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2936
2937         PR rtl-optimization/34808
2938         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
2939
2940 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2941
2942         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
2943         input.
2944
2945 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2946
2947         PR rtl-optimization/26854
2948         PR rtl-optimization/34400
2949         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
2950         DF_RD->gen.
2951         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
2952         (df_rd_bb_info.expanded_lr_out): New.
2953         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
2954         * loop_iv.c (iv_analysis_loop_init): Ditto.
2955         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2956         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2957         Added code to allocate, initialize or free expanded_lr_out.
2958         (df_rd_bb_local_compute_process_def): Restructured to make
2959         more understandable.
2960         (df_rd_confluence_n): Add code to do nothing with fake edges and
2961         code to no apply invalidate_by_call sets if the sets are being trimmed.
2962         (df_lr_local_finalize): Renamed to df_lr_finalize.
2963         (df_live_local_finalize): Renamed to df_live_finalize.
2964
2965 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
2966
2967         PR target/34831
2968         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
2969         deciding whether to use reciprocal instructions.
2970
2971 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
2972
2973         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
2974         dwarf2out_note_section_used if cold_text_section is NULL.
2975
2976 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
2977
2978         PR gcov-profile/34610
2979         * tree-cfg.c (make_edges): Mark both outgoing edges from
2980         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
2981         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
2982         from OMP_FOR and OMP_CONTINUE outgoing edges.
2983
2984         * tree-profile.c (tree_profiling): Return early if
2985         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
2986         at the end.
2987         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
2988         from cfun to child_cfun.
2989         * function.h (struct function): Add after_tree_profile bit.
2990
2991 2008-01-19 Anatoly Sokolov <aesok@post.ru>
2992
2993         * config/avr/avr.S (_exit): Disable interrupt.
2994
2995 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
2996             Steven Bosscher  <stevenb.gcc@gmail.com>
2997
2998         PR rtl-optimization/26854
2999         PR rtl-optimization/34400
3000         * df-problems.c (df_live_scratch): New scratch bitmap.
3001         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3002         (df_live_reset): Clear the proper bitmaps.
3003         (df_live_bb_local_compute): Only process the artificial defs once
3004         since the order is not important.
3005         (df_live_init): Init the df_live sets only with the variables
3006         found live by df_lr.
3007         (df_live_transfer_function): Use the df_lr sets to prune the
3008         df_live sets as they are being computed.  
3009         (df_live_free): Free df_live_scratch.
3010
3011 2008-01-18  Ian Lance Taylor  <iant@google.com>
3012
3013         * common.opt: Add fmerge-debug-strings.
3014         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3015         flag_merge_debug_strings rather than flag_merge_constants.
3016         * doc/invoke.texi (Option Summary): Mention
3017         -fmerge-debug-strings.
3018         (Debugging Options): Document -fmerge-debug-strings.
3019
3020 2008-01-18  Ian Lance Taylor  <iant@google.com>
3021
3022         PR c++/33407
3023         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3024         (struct tree_function_decl): Add new field operator_new_flag.
3025         * tree-inline.c (expand_call_inline): When inlining a call to
3026         operator new, force the return value to go into a variable, and
3027         set DECL_NO_TBAA_P on that variable.
3028         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3029
3030 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3031
3032         PR debug/34484
3033         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3034         DWARF2_DEBUGGING_INFO.
3035         (dwarf2out_note_section_used): Ditto.  Add prototype.
3036         (have_multiple_function_sections, text_section_used,
3037         cold_text_section_used, *cold_text_sections): Move declarations
3038         before their uses.
3039
3040 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3041
3042         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3043         field and add signal_ra.
3044         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3045         assignments to frame state pc.  Move end of stack check after
3046         MD_FALLBACK_FRAME_STATE_FOR.
3047         (uw_update_context_1): Use frame state signal_regs if set, instead
3048         of checking signal_frame flag.
3049         (uw_update_context): Use frame state signal_ra if set.
3050         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3051         * config/xtensa/linux-unwind.h: New file.
3052
3053 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3054
3055         * modulo-sched.c (get_sched_window): Fix comment typo.
3056
3057 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3058
3059         PR tree-optimization/34648
3060         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3061
3062 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3063
3064         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3065         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3066
3067 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3068
3069         PR rtl-optimization/34400
3070         * df-core.c (df_worklist_dataflow_overeager,
3071         df_worklist_dataflow_doublequeue): New functions.
3072         (df_worklist_dataflow): Two different worklist solvers.
3073         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3074         New param.
3075
3076 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3077
3078         PR testsuite/34821
3079         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3080         and ftree-parallelize-loops.
3081
3082 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3083
3084         PR rtl-optimization/34826
3085         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3086
3087 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3088
3089         * global.c (find_reg): Mark the eh regs as used if necessary.
3090         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3091         * ra.h (struct allocno): no_eh_reg field added.  Changed
3092         no_stack_reg type to bitfield.
3093
3094 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3095
3096         * tree.c (substitute_in_expr): Add missing 'break'.
3097
3098 2008-01-17  Richard Guenther  <rguenther@suse.de>
3099
3100         PR tree-optimization/34825
3101         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3102         x / x as division to handle.
3103
3104 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3105
3106         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3107         "-pthread" is specified.
3108         * pa-hpux11.h (LIB_SPEC): Likewise.
3109
3110 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3111             Peter Bergner  <bergner@vnet.ibm.com>
3112
3113         PR rtl-optimization/33796
3114         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3115
3116 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3117
3118         PR libgfortran/34699
3119         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3120         static links.
3121         * pa-hpux10.h (LINK_SPEC): Likewise.
3122         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3123
3124 2008-01-16  Richard Guenther  <rguenther@suse.de>
3125
3126         PR middle-end/32628
3127         * fold-const.c (fold_convert_const_int_from_int): Do not
3128         set overflow if that occured only because of a sign extension
3129         change when converting from/to a sizetype with the same
3130         precision and signedness.
3131
3132 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3133
3134         PR debug/34249
3135         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3136         location address to the correct place.  Update copyright year.
3137
3138 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3139
3140         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3141         no dependences in the dependence_relations vector.
3142
3143 2008-01-16  Jan Hubicka  <jh@suse.cz>
3144
3145         PR rtl-optimization/31396
3146         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3147         * cfg.c (dump_reg_info): Print it.
3148         * regs.h (struct reg_info_t): add freq_calls_crossed.
3149         (REG_FREQ_CALLS_CROSSED): New macro.
3150         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3151         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3152         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3153         regmove_optimize): Update call crossed frequencies.
3154         * local-alloc.c (struct qty): Add freq_calls_crossed.
3155         (alloc_qty): Copute freq_calls_crossed.
3156         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3157         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3158         * ra.h (struct allocno): Add freq_calls_crossed.
3159
3160 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3161
3162         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3163         libgomp when compiling with ftree-parallelize-loops.
3164         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3165
3166 2008-01-16  Richard Guenther  <rguenther@suse.de>
3167
3168         PR tree-optimization/34769
3169         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3170         * tree.c (int_cst_value): Instead make this function more
3171         permissive in what it accepts as valid input.  Document this
3172         function always sign-extends the value.
3173
3174 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
3175             Richard Guenther  <rguenther@suse.de>
3176
3177         PR c/34668
3178         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3179         (gimple_fold_indirect_ref_rhs): ... this.
3180         (gimple_fold_indirect_ref): New function with foldings
3181         that preserve lvalueness.
3182         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3183         * tree-flow.h (gimple_fold_indirect_ref): Declare.
3184         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3185         to fold an INDIRECT_REF, fall back to the old use of
3186         fold_indirect_ref_1.
3187
3188 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3189
3190         * tree-data-ref.c (subscript_dependence_tester_1): Call 
3191         free_conflict_function.
3192         (compute_self_dependence): Same.
3193
3194 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3195
3196         PR debug/34249
3197         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3198         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
3199         function global.
3200         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3201         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3202         for DWARF2_UNWIND_INFO targets.
3203
3204 2008-01-16  Richard Guenther  <rguenther@suse.de>
3205
3206         PR c/34768
3207         * c-typeck.c (common_pointer_type): Do not merge inconsistent
3208         type qualifiers for function types.
3209
3210 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
3211
3212         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3213         loop_iterator li from previous commit.
3214
3215 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3216
3217         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3218
3219 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3220
3221         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3222         (parallelize_loops): Don't parallelize irreducible components.
3223
3224 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3225
3226         PR c++/24924
3227         * c-opts (c_common_post_options): Do not enable CPP
3228         flag_pedantic_errors by default.
3229         
3230 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
3231
3232         PR rtl-optimization/31944
3233         * cse.c (remove_pseudo_from_table): New function.
3234         (merge_equiv_classes): Use above function to remove pseudo-registers.
3235         (invalidate): Likewise.
3236
3237 2008-01-13  Richard Guenther  <rguenther@suse.de>
3238
3239         PR middle-end/34601
3240         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3241         instead of TYPE_MODE to deal with calls from expand_one_error_var.
3242
3243 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
3244
3245         * gcse.c (cprop_jump): Call validate_unshare_change instead of
3246         validate_change to unshare the source of the PC set.
3247
3248 2008-01-12  Jan Hubicka  <jh@suse.cz>
3249
3250         PR middle-end/32135
3251         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3252         references above array bounds.  This might trigger bounds checks for
3253         pointers to arrays.
3254
3255 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3256
3257         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3258         new_replaceable_dependencies.
3259
3260 2008-01-12  Doug Kwan  <dougkwan@google.com>
3261
3262         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3263         instead of OPT_Wreturn_type in warning due to ignored return type
3264         qualifiers.
3265         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3266         options included in -Wextra.
3267         * c.opt: New option -Wignored_qualifiers.
3268         * doc/invoke.texi (Warning Options, -Wextra): Add new option
3269         -Wignore_qualifiers.
3270         (-Wignored-qualifiers): Document.
3271         (-Wreturn-type): Remove description of functionality now handled
3272         by -Wignored-qualifiers.
3273
3274 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
3275
3276         PR ada/33788
3277         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3278         NOP_EXPR if it is between integral types with the same precision.
3279
3280 2008-01-12  Jan Hubicka  <jh@suse.cz>
3281
3282         PR other/28023
3283         * invoke.texi (max-inline-recursive-depth): Fix default value.
3284
3285 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
3286
3287         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3288         correct type.
3289
3290 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
3291         
3292         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3293         
3294 2008-01-11  James E. Wilson  <wilson@specifix.com>
3295
3296         PR target/26015
3297         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3298
3299 2008-01-11  Anatoly Sokolov <aesok@post.ru>
3300
3301         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
3302         save/restore frame pointer register and don't use 'call-prologues' 
3303         optimization in function with "OS_task" attribute.
3304
3305 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3306
3307         PR middle-end/31309
3308         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3309         when copying to memory.
3310
3311 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
3312
3313         PR rtl-optimization/30905
3314         * cfgcleanup.c: Include dce.h
3315         (crossjumps_occured): New global variable.
3316         (try_crossjump_bb): Exit loop after finding a fallthru edge.
3317         If something changed, set crossjumps_occured to true.
3318         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3319         Don't add/remove fake edges to exit here...
3320         (cleanup_cfg): ...but do it here, when crossjumping.
3321         Run a fast DCE when successful crossjumps occured in the latest
3322         iteration of try_optimize_cfg.
3323
3324 2008-01-11  Richard Guenther  <rguenther@suse.de>
3325
3326         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3327         (struct vn_unary_op_s): Likewise.
3328         (vn_reference_insert): Free old reference on hash collision.
3329
3330 2008-01-10  Raksit Ashok  <raksit@google.com>
3331
3332         PR rtl-optimization/27971
3333         * combine.c (find_split_point): Split PLUS expressions which are
3334         inside a MEM rtx, and whose first operand is complex.
3335
3336 2008-01-10  DJ Delorie  <dj@redhat.com>
3337
3338         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
3339         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
3340         (m32c_hard_regno_ok): Call the underlying function.
3341
3342 2008-01-10  Richard Guenther  <rguenther@suse.de>
3343
3344         PR middle-end/34683
3345         * tree-cfg.c (tree_merge_blocks): Do not go through the
3346         full-blown folding and stmt updating path if we just deal
3347         with virtual operands.
3348         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3349         test for abnormal SSA_NAMEs.
3350
3351 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3352
3353         PR middle-end/34641
3354         * reload.c (push_reload): Add assertions.  All constants from
3355         reg_equiv_constant should have been used for replacing the respective
3356         pseudo earlier.
3357         (find_reloads_address): Invoke find_reloads_address_part for
3358         constant taken from the reg_equiv_constant array.
3359
3360 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
3361
3362         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3363         field (valnum) the first in the struct.  Replace bools with
3364         unit bit fields.
3365
3366 2008-01-10  Richard Guenther  <rguenther@suse.de>
3367
3368         PR tree-optimization/34651
3369         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
3370         types and ordering for masking and converting.
3371
3372 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
3373
3374         PR tree-optimization/34017
3375         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3376         also for PHI_NODE expressions.
3377
3378 2008-01-09  Jan Hubicka  <jh@suse.cz>
3379
3380         PR tree-optimization/34708
3381         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3382         based on number of case labels.
3383         (init_inline_once): Remove switch_cost.
3384         * tree-inline.h (eni_weights_d): Remove switch_cost.
3385
3386 2008-01-09  Richard Guenther  <rguenther@suse.de>
3387         Andrew Pinski  <andrew_pinski@playstation.sony.com>
3388
3389         PR middle-end/30132
3390         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3391         temporary if an rvalue is ok or an lvalue is not required.
3392
3393 2008-01-09  Richard Guenther  <rguenther@suse.de>
3394
3395         PR middle-end/34458
3396         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3397         adjust return type.
3398
3399 2008-01-09  Richard Guenther  <rguenther@suse.de>
3400
3401         PR middle-end/34679
3402         * tree.c (host_integerp): Check for sizetype only if the
3403         type is an integer type.
3404
3405 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3406
3407         PR debug/26364
3408         * opts.c (decode_options): Disable inlining of functions called
3409         once if not in unit-at-a-time mode.
3410
3411 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3412
3413         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3414
3415 2008-01-08  Richard Guenther  <rguenther@suse.de>
3416
3417         PR middle-end/31863
3418         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3419         out early if the result will be unused.
3420
3421 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3422
3423         PR target/34709
3424         Revert:
3425
3426         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3427         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3428         for TARGET_RECIP.       
3429         
3430 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3431         
3432         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3433         for vectorization tuned.
3434         
3435 2008-01-08  Richard Guenther  <rguenther@suse.de>
3436
3437         PR tree-optimization/34683
3438         * tree-ssa-operands.c (operand_build_cmp): Export.
3439         * tree-ssa-operands.h (operand_build_cmp): Declare.
3440         * tree-vn.c (vuses_compare): Remove.
3441         (sort_vuses): Use operand_build_cmp.
3442         (sort_vuses_heap): Likewise.
3443         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3444         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3445         (vdefs_to_vec): Do not sort already sorted VDEFs.
3446
3447 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3448
3449         PR middle-end/34694
3450         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3451
3452 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3453
3454         PR target/34702
3455         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3456         limitations of reciprocal sequences on x86 targets.
3457
3458 2008-01-08  Richard Guenther  <rguenther@suse.de>
3459
3460         PR tree-optimization/34683
3461         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3462
3463 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3464
3465         PR target/34622
3466         * config/darwin.c (darwin_mergeable_string_section): Don't use
3467         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3468
3469 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3470
3471         PR target/34682
3472         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3473         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3474         predicates of op0 and op1 to register_operand.
3475         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3476         expander using X87MODEF mode iterator.  Change predicates of
3477         op0 and op1 to register_operand.
3478         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3479         corresponding patterns and macroize using MODEF macro.  Change
3480         predicates of op0 and op1 to register_operand and remove
3481         "m" constraint. Disparage "r" alternative with "!".
3482         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3483         macroize using X87MODEF macro.  Change predicates of op0 and op1
3484         to register_operand and remove "m" constraint.  Disparage "r"
3485         alternative with "!".
3486         (absneg splitter with memory operands): Remove.
3487         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3488         patterns and macroize using X87MODEF mode iterator.
3489         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3490         Change predicate of op1 to register_operand.
3491         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3492         for memory operands.
3493
3494 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3495
3496         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3497
3498 2008-01-07  Richard Guenther  <rguenther@suse.de>
3499
3500         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3501         fields.
3502
3503 2008-01-07  Richard Guenther  <rguenther@suse.de>
3504
3505         PR tree-optimization/34683
3506         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3507         VOPs of the needed size to save memory.  Use VEC_quick_push
3508         to save compile-time.
3509         (vdefs_to_vec): Likewise.
3510
3511 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3512
3513         * config/spu/spu.md (divdf3): Genetate inline code for double
3514         division.  The implementation doesn't handle INF or NAN, therefore it
3515         only applies when -ffinite-math-only is given.
3516
3517 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3518
3519         PR libstdc++/34680
3520         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3521         * doc/cpp.texi ([Common Predefined Macros]): Document.
3522
3523 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3524
3525         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3526         order to use commutative addition instead of subtraction.
3527
3528 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3529             Mircea Namolaru  <namolaru@il.ibm.com>
3530             Vladimir Yanovsky  <yanov@il.ibm.com>
3531             Revital Eres  <eres@il.ibm.com>
3532
3533         PR tree-optimization/34263
3534         * tree-outof-ssa.c (process_single_block_loop_latch,
3535         contains_tree_r): New functions.
3536         (analyze_edges_for_bb): Call process_single_block_loop_latch
3537         function to empty single-basic-block latch block if possible.
3538
3539 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3540
3541         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3542         for TARGET_RECIP.
3543         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3544
3545 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3546
3547         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3548
3549 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3550
3551         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3552
3553 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3554
3555         PR tree-optimization/34618
3556         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3557         flag from T.
3558
3559 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3560
3561         PR target/34673
3562         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3563         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3564         Update copyright year.
3565
3566         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3567         Update copyright year.
3568         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3569         using NR fixup.
3570
3571 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3572
3573         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3574         edge does not point to current bb before changing need_assert.
3575
3576 2008-01-04  Richard Guenther  <rguenther@suse.de>
3577
3578         PR middle-end/34029
3579         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3580         for verifying purposes if they are is_gimple_min_invariant.
3581
3582 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3583
3584         PR tree-optimization/34448
3585         PR tree-optimization/34465
3586         * gimplify.c (gimplify_init_constructor): Add new parameter
3587         notify_temp_creation.  Use it.
3588         (gimplify_modify_expr_rhs): Take volatiles into account when
3589         optimizing constructors.
3590         Do not optimize constructors if gimplify_init_constructor will dump to
3591         memory.
3592         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3593         * gcc.c-torture/compile/pr34448.c: New.
3594
3595 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3596
3597         PR gcov-profile/34609
3598         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3599         return_slot if result is TREE_ADDRESSABLE.
3600
3601 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3602
3603         * config/mips/mips.md (sqrt_condition): Tweak comment.
3604         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3605
3606 2008-01-03  Tom Tromey  <tromey@redhat.com>
3607
3608         PR c/34457
3609         * c-common.c (c_type_hash): Handle VLAs.
3610
3611 2008-01-03  Jan Hubicka  <jh@suse.cz>
3612
3613         PR tree-optimization/31081
3614         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3615         0 when inlining and not inlining to first basic block.
3616         (remap_decl): When var is initialized to 0, don't set default_def.
3617         (expand_call_inline): Set entry_bb.
3618         * tree-inline.h (copy_body_data): Add entry_bb.
3619
3620 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3621
3622         PR c++/34619
3623         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3624         before returning.
3625
3626         PR tree-optimization/29484
3627         * tree-inline.c (inline_forbidden_p_2): New function.
3628         (inline_forbidden_p): Disallow inlining if some static var
3629         has an address of a local LABEL_DECL in its initializer.
3630         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3631         vs. inlining.
3632
3633 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3634
3635         PR tree-optimization/34635
3636         * tree-data-ref.c (add_other_self_distances): Make sure that the
3637         evolution step is constant.
3638
3639 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3640
3641         PR middle-end/34608
3642         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3643
3644 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3645
3646         * tree-sra.c (scalarize_init): Insert the generate_element_init
3647         statements after the generate_element_zero statements.
3648
3649 2008-01-02  Richard Guenther  <rguenther@suse.de>
3650
3651         PR middle-end/34093
3652         PR middle-end/31976
3653         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3654         for very large number of operands instead of ICEing.
3655
3656 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3657
3658         PR target/34013
3659         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3660         while stack probing.
3661
3662 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3663
3664         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3665         in C++0x mode.
3666
3667 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3668
3669         PR libmudflap/26442
3670         * tree-mudflap.c (mx_register_decls): Guard warning by
3671         !DECL_ARTIFICIAL check.
3672
3673 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3674
3675         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3676         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3677         sse5_perm<mode>): Fix constraints.