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2008-03-10 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-03-10  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/34677
4         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
5         (poolify_tree): Likewise.
6         (modify_expr_template): Likewise.
7         (poolify_modify_stmt): Likewise.
8         (insert_fake_stores): Handle all component-ref style stores
9         in addition to INDIRECT_REF.  Also handle complex types.
10         Do not poolify the inserted load.
11         (realify_fake_stores): Do not rebuild the tree but only
12         make it a SSA_NAME copy.
13         (init_pre): Remove initialzation of modify_expr_template.
14         Do not allocate modify_expr_node_pool.
15         (fini_pre): Do not free modify_expr_node_pool.
16
17 2008-03-10  Paul Brook  <paul@codesourcery.com>
18
19         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
20         to avoid conflicts.
21
22 2008-03-10  Paul Brook  <paul@codesourcery.com>
23         Mark Shinwell  <shinwell@codesourcery.com>
24
25         * config/arm/cortex-r4.md: New.
26         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
27         insn attributes.
28         * config/arm/arm.md: Include cortex-r4.md.
29         (insn): Add smmls, sdiv and udiv values.
30         (generic_sched): Don't use generic scheduling for Cortex-R4.
31         (arm_issue_rate): New function.
32         (TARGET_SCHED_ISSUE_RATE): Define.
33
34 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
35
36         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
37
38 2008-03-10  Richard Guenther  <rguenther@suse.de>
39
40         * tree-ssa-pre.c (get_sccvn_value): Simplify.
41         (compute_avail): Do not add stmt uses to AVAIL_OUT.
42
43 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
44
45         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
46         Set default to true.
47
48 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
49
50         * c.opt (Wsynth): Deprecate.
51         * doc/invoke.texi (Option Summary, Warning Options): Document
52         -Wno-format-contains-nul.
53
54 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
55
56         PR target/35496
57         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
58         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
59
60 2008-03-09  Ira Rosen  <irar@il.ibm.com>
61
62         * config/rs6000/rs6000.c (builtin_description): Rename vector
63         left shift operations.
64         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
65         (altivec_vsl<VI_char>): Rename to ...
66         (ashl<mode>3): ... new name.
67         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
68         gen_ashlv4si3.
69         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
70
71 2008-03-08  Richard Guenther  <rguenther@suse.de>
72
73         * coverage.h (tree_coverage_counter_addr): Declare.
74         * coverage.c (tree_coverage_counter_addr): New function.
75         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
76         before using again.
77         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
78         (tree_gen_one_value_profiler): Likewise.
79         (tree_gen_ic_profiler): Likewise.
80         (tree_gen_average_profiler): Likewise.
81         (tree_gen_ior_profiler): Likewise.
82
83 2008-03-08  Richard Guenther  <rguenther@suse.de>
84
85         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
86         (vn_binary_op_insert): Likewise.
87         (vn_unary_op_lookup): Likewise.
88         (vn_unary_op_insert): Likewise.
89         (vn_nary_op_lookup): Declare.
90         (vn_nary_op_insert): Likewise.
91         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
92         and binary hashes, use a single obstack for unary_op_pool
93         and binary_op_pool.
94         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
95         a single struct vn_nary_op_s.  Store tree code length and
96         a variable number of operands.
97         (struct vn_reference_op_struct): Remove unused op2.
98         (vn_reference_op_eq): Do not compare op2.
99         (vn_reference_op_compute_hash): Do not compute hash of op2.
100         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
101         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
102         with vn_nary_op_compute_hash.
103         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
104         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
105         vn_nary_op_lookup.
106         (vn_unary_op_insert, vn_binary_op_insert): Replace with
107         vn_nary_op_insert.
108         (visit_unary_op): Call nary functions.
109         (visit_binary_op): Likewise.
110         (process_scc): Adjust for struct vn_tables_s changes.
111         (allocate_vn_table): Likewise.
112         (free_vn_table): Likewise.
113         * tree-vn.c (vn_add): Call nary functions.
114         (vn_lookup): Likewise.
115
116 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
117
118         PR target/35498
119         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
120         wdst back after sync_compare_and_swapqhi_internal.
121
122 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
123
124         PR target/22152
125         * config/i386/i386-modes.def (V1DI): New vector mode.
126         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
127         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
128         (MMXMODE248): Ditto.
129         (MMXMODE): Add V1DI mode.
130         (mmxvecsize): Change DI mode to V1DI mode.
131         ("mov<mode>): Use MMXMODEI8 mode iterator.
132         ("*mov<mode>_internal_rex64"): Ditto.
133         ("*mov<mode>_internal"): Ditto.
134         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
135         ("mmx_sub<mode>3"): Ditto.
136         ("mmx_adddi3"): Remove insn pattern.
137         ("mmx_subdi3"): Ditto.
138         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
139         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
140         ("mmx_ashl<mode>3"): Ditto.
141         ("mmx_lshrdi3"): Remove insn pattern.
142         ("mmx_ashldi3"): Ditto.
143         * config/i386/i386.c (classify_argument): Handle V1DImode.
144         (function_arg_advance_32): Ditto.
145         (function_arg_32): Ditto.
146         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
147         mmx_addv1di3 insn pattern.
148         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
149         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
150         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
151         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
152         Remove definitions of built-in functions.
153         (V1DI_type_node): New node.
154         (v1di_ftype_v1di_int): Ditto.
155         (v1di_ftype_v1di_v1di): Ditto.
156         (v2si_ftype_v2si_si): Ditto.
157         (v4hi_ftype_v4hi_di): Remove node.
158         (v2si_ftype_v2si_di): Ditto.
159         (ix86_init_mmx_sse_builtins): Handle V1DImode.
160         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
161         Redefine builtins using def_builtin_const with *_ftype_*_int node.
162         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
163         Add new builtins using def_builtin_const.
164         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
165         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
166         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
167         * config/i386/mmintrin.h (__v1di): New typedef.
168         (_mm_add_si64): Cast arguments to __v1di type.
169         (_mm_sub_si64): Ditto.
170         (_mm_sll_pi16): Cast __count to __v4hi type.
171         (_mm_sll_pi32): Cast __count to __v2si type.
172         (_mm_sll_si64): Cast arguments to __v1di type.
173         (_mm_srl_pi16): Cast __count to __v4hi type.
174         (_mm_srl_pi32): Cast __count to __v2si type.
175         (_mm_srl_si64): Cast arguments to __v1di type.
176         (_mm_sra_pi16): Cast __count to __v4hi type.
177         (_mm_sra_pi32): Cast __count to __v2si type.
178         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
179         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
180         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
181         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
182         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
183         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
184         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
185         (_mm_srai_pi32): Use __builtin_ia32_psradi.
186         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
187         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
188         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
189         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
190
191 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
192
193         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
194
195 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
196
197         PR target/35373
198         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
199         reg+const addressing for Altivec modes.  Don't generate reg+reg
200         addressing for TFmode or TDmode quantities.
201
202 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
203
204         * c-common.c (vector_types_convertible_p): Call langhook
205         instead of comptypes.
206
207 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
208
209         PR tree-opt/35402
210         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
211         integral and scalar float variables which have a
212         NULL DECL_INITIAL.
213
214 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
215
216         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
217         dwarf_register_span hook when emitting unwind information for
218         register-to-memory saves.
219         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
220         (rs6000_frame_related): Remove call to spe_synthesize_frame.
221
222 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
223
224         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
225         for the same VAR_DECL.
226
227 2008-03-06  Tom Tromey  <tromey@redhat.com>
228
229         * treelang: Delete.
230         * doc/standards.texi (Standards): Don't mention treelang.
231         * doc/invoke.texi (Overall Options): Don't mention treelang.
232         * doc/install.texi (Prerequisites): Don't mention bison or
233         treelang.
234         (Configuration): Don't mention treelang.
235         (Building): Likewise.
236         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
237
238 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
239
240         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
241         word-extractions out of a multi-word object.
242
243 2008-03-06  Richard Guenther  <rguenther@suse.de>
244
245         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
246         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
247         result type and precision.
248         * expr.c (get_inner_reference): Set unsignedp based on the result
249         type of BIT_FIELD_REF.
250         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
251         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
252         (try_instantiate_multiple_fields): Likewise.  Use the correct type
253         for BIT_FIELD_REF.
254         (sra_build_assignment): Likewise.
255         (sra_build_elt_assignment): Likewise.
256         (sra_explode_bitfield_assignment): Likewise.
257         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
258         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
259         set BIT_FIELD_REF_UNSIGNED.
260         (vectorizable_load): Likewise.
261
262 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
263
264         * cse.c (cse_extended_basic_block): Invalidate artificial defs
265         at bb start.
266
267 2008-03-06  Richard Guenther  <rguenther@suse.de>
268
269         * alias.c (struct alias_set_entry): Move has_zero_child field
270         to pack with alias_set.
271
272 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
273
274         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
275         32bit host.
276
277 2008-03-05  Ian Lance Taylor  <iant@google.com>
278
279         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
280
281 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
282
283         * fwprop.c (update_df): Support width and offset parameters of
284         df_ref_create.
285         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
286         global_conflicts): Change DF_REF_EXTRACT to either
287         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
288         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
289         * df-scan.c (df_ref_record, df_defs_record,
290         df_ref_create_structure, df_def_record_1, df_uses_record,
291         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
292         df_bb_refs_collect, df_entry_block_defs_collect,
293         df_exit_block_uses_collect): Support new width and offset fields.
294         (ref_extract_pool): New storage pool.
295         (df_free_ref): New function.
296         (df_reg_chain_unlink, df_free_collection_rec,
297         df_sort_and_compress_refs): Call df_free_ref.
298         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
299         of df_ref_extract.
300         (df_ref_create_structure): Allocate df_ref_extract if offset and
301         width fields are used.
302         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
303         (df_uses_record): Get offset and width from ZERO_EXTRACT 
304         and SIGN_EXTRACT.
305         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
306         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
307         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
308         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
309         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
310         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
311         (df_ref_extract): New structure.
312         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
313         (df_ref_create): Add width and offset parameters.
314         
315 2008-03-05  Richard Guenther  <rguenther@suse.de>
316
317         * tree-ssa-structalias.c (get_constraint_for_component_ref):
318         Use ranges_overlap_p.
319         (offset_overlaps_with_access): Rename
320         to ranges_overlap_p and move ...
321         * tree-flow-inline.h (ranges_overlap_p): ... here.
322
323         * tree.h (get_inner_reference, handled_component_p): Update
324         comments.
325
326         * tree.h (record_component_aliases, get_alias_set,
327         alias_sets_conflict_p, alias_sets_must_conflict_p,
328         objects_must_conflict_p): Move declarations ...
329         * alias.h (record_component_aliases, get_alias_set,
330         alias_sets_conflict_p, alias_sets_must_conflict_p,
331         objects_must_conflict_p): ... here.
332         Include coretypes.h.
333         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
334
335 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
336
337         * cfg.c: Include tree-flow.h.
338         (remove_edge_raw): Call redirect_edge_var_map_clear.
339         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
340         * tree-flow-inline.h (redirect_edge_var_map_def): New.
341         (redirect_edge_var_map_result): New.
342         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
343         PENDING_STMT use with redirect_edge_var_map_*.
344         * tree-ssa.c (edge_var_maps): New definition.
345         (redirect_edge_var_map_add): New.
346         (redirect_edge_var_map_clear): New.
347         (redirect_edge_var_map_dup): New.
348         (redirect_edge_var_map_vector): New.
349         (redirect_edge_var_map_destroy): New.
350         (ssa_redirect_edge): Replace PENDING_STMT use with
351         redirect_edge_var_map_*.
352         (flush_pending_stmts): Same.
353         (delete_tree_ssa): Destroy edge var map.
354         * tree-flow.h (struct _edge_var_map): New.
355         Define edge_var_map vector type.
356         Declare redirect_edge_var_map_* prototypes.
357         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
358         * tree-cfg.c (reinstall_phi_args): Replace
359         PENDING_STMT use with redirect_edge_var_map_*.
360
361 2008-03-05  Richard Guenther  <rguenther@suse.de>
362
363         PR tree-optimization/35472
364         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
365         whose single use_stmt has a overlapping set of loaded and
366         stored symbols as that use_stmt might be a noop assignment then.
367
368 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
369
370         * gthr-rtems.h: Implement __gthread_mutex_destroy.
371
372 2008-03-05  Richard Guenther  <rguenther@suse.de>
373
374         PR c++/35336
375         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
376         should be constants.
377         * tree-cfg.c (verify_expr): Verify it.
378         * fold-const.c (fold_truthop): Remove code generating
379         BIT_FIELD_REFs of structure bases.
380         (fold_binary): Likewise.
381         (fold_ternary): Position and size of BIT_FIELD_REFs are
382         always host integers.
383         (make_bit_field_ref): Remove.
384         (optimize_bit_field_compare): Remove.
385         (all_ones_mask_p): Remove.
386
387 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
388
389         PR gcc/33009
390         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
391         (split_block_and_df_analyze): New. Split basic block and rebuild
392         dataflow.
393         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
394         SPLIT_BLOCK.
395         (split_pattern_seq): Likewise.
396         (erase_matching_seqs): Likewise.
397         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
398
399 2008-03-04  Geoff Keating  <geoffk@apple.com>
400
401         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
402         declaration and code.
403         (tree_invalid_nonnegative_warnv_p): Likewise.
404
405 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
406
407         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
408         examples.  Truncate option-names then causing overfull hbox.
409
410 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
411
412         PR target/35222
413         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
414         on hpux10.
415         * configure: Rebuilt.
416
417 2008-03-04  Rafael Espindola  <espindola@google.com>
418
419         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
420         (tree_unary_nonnegative_warnv_p): New.
421         (tree_binary_nonnegative_warnv_p): New.
422         (tree_single_nonnegative_warnv_p): New.
423         (tree_invalid_nonnegative_warnv_p): New.
424         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
425
426 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
427
428         PR 28322
429         * opts.c (handle_option): Postpone 'unknown option' errors only for
430         warning options.
431
432 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
433
434         PR target/35453
435         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
436         (_SIDD_XXX): This.
437
438 2008-03-04  Rafael Espindola  <espindola@google.com>
439
440         * fold-const.c (tree_unary_nonzero_warnv_p): New.
441         (tree_binary_nonzero_warnv_p): New.
442         (tree_single_nonzero_warnv_p): New.
443         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
444
445 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
446
447         PR middle-end/35456
448         * fold-const.c (fold_cond_expr_with_comparison): Prevent
449         transformations for modes that have signed zeros.
450         * ifcvt.c (noce_try_abs): Ditto.
451
452 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
453
454         * config/i386/i386.c (override_options): Force
455         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
456
457 2008-03-04  Jan Hubicka  <jh@suse.cz>
458
459         PR c++/35262
460         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
461         in last commit.
462
463 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
464
465         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
466         label to probe the stack.
467
468 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
469
470         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
471         (__gthr_win32_mutex_destroy): Declare.
472         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
473         __gthr_win32_mutex_destroy.
474         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
475
476 2008-03-03  Jan Hubicka  <jh@suse.cz>
477
478         PR c++/35262
479         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
480         aggressive on inlining cold calls.
481
482 2008-03-03  Richard Guenther  <rguenther@suse.de>
483
484         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
485         struct copies into the expression table.
486         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
487         (try_to_simplify): Likewise.
488         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
489         integral and pointer arguments which do not change the
490         precision to NOP_EXPRs.
491         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
492         VIEW_CONVERT_EXPR case.
493
494 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
495
496         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
497         defined in a loop at depth 0 is invariant.
498         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
499         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
500         be called at loop depth 0.
501
502 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
503
504         PR driver/35420
505         * gcc.c (process_command): Update copyright notice dates.
506         * gcov.c (print_version): Likewise.
507         * gcov-dump.c (print_version): Likewise.
508         * mips-tfile.c (main): Likewise.
509         * mips-tdump.c (main): Likewise.
510
511 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
512
513         PR 24924
514         * c-common.c (flag_permissive): Delete.
515         (constant_expression_warnings): Check flags first.
516         (constant_expression_error): New.
517         * c-common.h (flag_permissive): Delete.
518         (constant_expression_error): Declare.
519         * flags.h (flag_permissive): Declare. Update description.
520         * diagnostic.c (pedwarn): Update.
521         (permerror): New.
522         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
523         (permissive_error_kind): New.
524         * toplev.c (flag_permissive): Define. Update description.
525         * toplev.h (permissive_error_kind): Declare.
526         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
527         (pedwarn_c90): Use pedantic_warning_kind.
528         * c-opts.c (c_common_post_options): flag_permissive does not affect
529         flag_pedantic_errors.
530
531 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
532
533         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
534         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
535         __absvsi2, __absvDI2): Use unsigned arithmetic.
536
537 2008-03-02  Andi Kleen  <ak@suse.de>
538         Richard Guenther  <rguenther@suse.de>
539
540         * struct-equiv.c: Remove file.
541         * cfg_cleanup.c (condjump_equiv_p): Remove.
542         * Makefile.in (OBJS-common): Remove struct-equiv.o.
543         (struct-equiv.o): Remove rule.
544         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
545         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
546         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
547
548 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
549
550         * ifcvt.c (noce_process_if_block): Try to handle only the then
551         block if the else block exists but isn't suitable.
552
553 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
554
555         PR gcc/35063
556         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
557         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
558         regression from previous patch.
559
560 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
561
562         PR gcc/35063
563         * gthr.h: Add __gthread_mutex_destroy as a function that must be
564         implemented.
565         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
566         * gthr-single.h (__gthread_mutex_destroy): Likewise.
567         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
568         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
569         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
570         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
571         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
572         (__gthread_mutex_destroy_function): Rename to
573         __gthread_mutex_destroy.
574         * gthr-dce.h (__gthread_mutex_destroy): Call
575         pthread_mutex_destroy.
576         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
577         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
578         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
579
580 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
581
582         * df-scan.c (df_ref_chain_change_bb): Simplify.
583         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
584         set_block_for_insn if there's any change.
585         * df.h ((df_insn_change_bb): Fix prototype.
586         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
587         df_insn_change_bb, don't call set_block_for_insn.
588         * emit-rtl.c (reorder_insns): Likewise.
589         * haifa-sched.c (move_insn): Likewise.
590
591 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
592
593         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
594
595 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
596
597         * tree-flow-inline.h (next_readonly_imm_use): Return
598         NULL_USE_OPERAND_P after the end.
599
600 2008-03-01  Richard Guenther  <rguenther@suse.de>
601
602         PR tree-optimization/35411
603         * tree-sra.c (sra_build_assignment): Split conversion to
604         final type to a separate statement if we are not assigning
605         to a register.
606
607 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
608
609         * fold-const.c (fold_convertible_p): Correct the logic to follow
610         that in fold_convert().
611
612 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
613
614         PR c++/35315
615         * tree-inline.c (build_duplicate_type): When we make a
616         duplicate type, make it unique in the canonical types system.
617
618 2008-02-29  Tom Tromey  <tromey@redhat.com>
619
620         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
621         input_file_stack_history, input_file_stack_restored): Remove.
622         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
623         * input.h (struct file_stack): Remove.
624         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
625         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
626         Likewise.
627         * diagnostic.h (struct diagnostic_context) <last_module>: Change
628         type.
629         (diagnostic_last_module_changed): Add 'map' argument.
630         (diagnostic_set_last_function): Likewise.
631         * diagnostic.c (undiagnostic_report_current_module): Iterate using
632         line map, not input_file_stack.
633         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
634
635 2008-02-29  Paul Brook  <paul@codesourcery.com>
636
637         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
638
639 2008-02-29  Paul Brook  <paul@codesourcery.com>
640
641         * config/arm/ieee754-df.S (muldf3): Use RET macros.
642
643 2008-02-29  Richard Guenther  <rguenther@suse.de>
644
645         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
646         vn_lookup_or_add.
647         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
648         value for comparing for a store match.
649         (simplify_unary_expression): Do nothing for SSA_NAMEs.
650         (try_to_simplify): Do not do a full-blown reference lookup.
651
652 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
653
654         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
655         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
656
657         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
658
659 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
660
661         * tree-loop-linear.c (try_interchange_loops): Compare memory access
662         strides against cache sizes.
663
664 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
665
666         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
667         constant to fpul.
668
669 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
670
671         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
672         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
673         is smaller than the original promoted value.
674         (simplify_subreg): If OP is a SUBREG, try to preserve its
675         SUBREG_PROMOTED_VAR_P information.
676
677 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
678
679         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
680         (VN_INFO_GET): Allocate new objects on the obstack.
681         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
682         for rpo_numbers_temp, for consistency.
683         (free_scc_vn): Free the obstack.
684
685 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
686
687         * doc/invoke.texi: Document -ftree-loop-distribution.
688         * tree-loop-distribution.c: New.
689         * tree-pass.h (pass_loop_distribution): New.
690         * graphds.h (struct graph): Add htab_t indices.
691         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
692         * tree-vectorizer.c (rename_variables_in_loop): Extern.
693         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
694         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
695         * tree-data-ref.c (debug_data_dependence_relations): New.
696         (dump_data_dependence_relation): Also print data references.
697         (free_data_ref): Extern.
698         (same_access_functions): Moved...
699         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
700         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
701         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
702         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
703         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
704         (stmts_from_loop): Skip LABEL_EXPR.
705         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
706         New.
707         (build_rdg): Initialize rdg->indices htab.
708         (free_rdg, stores_from_loop, ref_base_address,
709         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
710         have_similar_memory_accesses_1, ref_base_address_1,
711         remove_similar_memory_refs): New.
712         * tree-data-ref.h: Depend on tree-chrec.h.
713         (debug_data_dependence_relations, free_data_ref): Declared.
714         (same_access_functions): ... here.
715         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
716         New.
717         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
718         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
719         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
720         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
721         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
722         rdg_vertex_for_stmt): Declared.
723         (struct rdg_edge): Add level.
724         (RDGE_LEVEL): New.
725         (free_rdg, stores_from_loop, remove_similar_memory_refs,
726         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
727         Declared.
728         (rdg_has_similar_memory_accesses): New.
729         * tree-vect-analyze.c: Remove unused static decls.
730         * lambda.h (dependence_level): New.
731         * common.opt (ftree-loop-distribution): New.
732         * tree-flow.h (mark_virtual_ops_in_bb, 
733         slpeel_tree_duplicate_loop_to_edge_cfg,
734         rename_variables_in_loop): Declared.
735         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
736         (OBJS-common): Add tree-loop-distribution.o.
737         (tree-loop-distribution.o): New rule.
738         * tree-cfg.c (mark_virtual_ops_in_bb): New.
739         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
740         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
741
742 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
743
744         PR target/33963
745         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
746         other than structures and unions.
747
748 2008-02-28  Richard Guenther  <rguenther@suse.de>
749
750         Revert:
751         2008-02-26  Richard Guenther  <rguenther@suse.de>
752
753         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
754         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
755         (lookup_decl_from_uid): Declare.
756         (remove_decl_from_map): Likewise.
757         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
758         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
759         (decl_for_uid_map): New global hashtable mapping DECL_UID
760         to the decl tree.
761         (init_ttree): Allocate it.
762         (insert_decl_to_uid_decl_map): New helper function.
763         (make_node_stat): Insert new decls into the map.
764         (copy_node_stat): Likewise.
765         (lookup_decl_from_uid): New function.
766         (remove_decl_from_map): Likewise.
767         (print_decl_for_uid_map_statistics): New helper.
768         (dump_tree_statistics): Call it.
769
770         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
771         (referenced_var_iterator): Adjust.
772         (FOR_EACH_REFERENCED_VAR): Adjust.
773         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
774         (num_referenced_vars): Adjust.
775         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
776         (first_referenced_var): Remove.
777         (end_referenced_vars_p): Likewise.
778         (next_referenced_var): Likewise.
779         (referenced_var_iterator_set): New helper function.
780         * tree-dfa.c (referenced_var_lookup): Adjust.
781         (referenced_var_check_and_insert): Likewise.
782         (remove_referenced_var): Likewise.
783         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
784         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
785         (verify_call_clobbering): Likewise.
786         (verify_memory_partitions): Likewise.
787         (init_tree_ssa): Allocate bitmap instead of hashtable for
788         referenced_vars.
789         (delete_tree_ssa): Adjust.
790         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
791         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
792         (compute_tag_properties): Likewise.
793         (set_initial_properties): Likewise.
794         (find_partition_for): Likewise.
795         (update_reference_counts): Likewise.
796         (dump_may_aliases_for): Likewise.
797         * tree-ssa-operands.c (add_virtual_operand): Likewise.
798         (add_call_clobber_ops): Likewise.
799         (add_call_read_ops): Likewise.
800         (get_asm_expr_operands): Likewise.
801         * tree-into-ssa.c (dump_decl_set): Likewise.
802         (update_ssa): Likewise.
803         * tree-sra.c (scan_function): Likewise.
804         (decide_instantiations): Likewise.
805         (scalarize_parms): Likewise.
806         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
807         (dsa_named_for): Likewise.
808         * tree-ssa-structalias.c (update_alias_info): Likewise.
809         (merge_smts_into): Likewise.
810
811 2008-02-27  David Daney  <ddaney@avtrex.com>
812
813         PR target/34409
814         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
815         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
816         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
817         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
818         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
819
820 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
821
822         PR target/25477
823         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
824         (BUILT_IN_NEXTTOWARD): Remove.
825         (BUILT_IN_NEXTTOWARDF): Ditto.
826         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
827         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
828
829 2008-02-27  Tom Tromey  <tromey@redhat.com>
830
831         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
832         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
833
834 2008-02-27  Jan Beulich  <jbeulich@novell.com>
835
836         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
837         update the respective field on newdecl.
838
839 2008-02-27  Revital Eres  <eres@il.ibm.com>
840
841         PR rtl-optimization/34999
842         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
843         crossing edges that ends with a call insn.
844         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
845         call insn and clear the EDGE_CROSSING flag of the crossing edge
846         when fixing fallthru edges.
847
848 2008-02-27  Richard Guenther  <rguenther@suse.de>
849
850         PR middle-end/35390
851         * fold-const.c (fold_unary): Return the correct argument,
852         converted to the result type.
853
854 2008-02-27  Richard Guenther  <rguenther@suse.de>
855
856         PR middle-end/34971
857         * expr.c (expand_expr_real_1): Assert on rotates that operate
858         on partial modes.
859         * fold-const.c (fold_binary): Use the types precision, not the
860         bitsize of the mode if folding rotate expressions.  Build rotates
861         only for full modes.
862
863 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
864
865         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
866         and CPP_PRAGMA_EOL.
867         * c-pragma.c (pragma_ns_name): New typedef.
868         (registered_pp_pragmas): New variable.
869         (c_pp_lookup_pragma): New function.
870         (c_register_pragma_1): If flag_preprocess_only, do nothing
871         for non-expanded pragmas, for expanded ones push pragma's
872         namespace and name into registered_pp_pragmas vector.
873         (c_invoke_pragma_handler): Register OpenMP pragmas even when
874         flag_preprocess_only, don't register GCC pch_preprocess
875         pragma if flag_preprocess_only.
876         * c-opts.c (c_common_init): Call init_pragma even if
877         flag_preprocess_only.
878         * c-pragma.c (c_pp_lookup_pragma): New prototype.
879         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
880         cpp_register_pragma if flag_preprocess_only.
881
882 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
883
884         PR c/28800
885         * c-parser.c (c_parser_translation_unit): Warn for empty
886         translation unit, not empty source file.
887
888 2008-02-26  Paul Brook  <paul@codesourcery.com>
889
890         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
891         operand for Thumb-2.
892         * config/arm/arm.h (reg_class): Add CORE_REGS.
893         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
894         (BASE_REG_CLASS): Use CORE_REGS.
895         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
896         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
897         (REGNO_OK_FOR_INDEX_P): Exclude SP.
898         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
899         ARM_REGNO_OK_FOR_INDEX_P.
900         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
901         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
902         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
903         (ldm/stm peepholes): Ditto.
904         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
905         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
906         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
907         * config/arm/constraints.md: Enable "k" constraint on ARM.
908
909 2008-02-27  Ben Elliston  <bje@au.ibm.com>
910
911         * config/rs6000/rs6000.c: Annotate cache line size field in all
912         instances of struct processor_costs.
913
914 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
915
916         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
917         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
918         jump_bypass): New counters.
919         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
920         * dce.c (gate_ud_dce): Same.
921         (gate_fast_dce): Same.
922         * dse.c (gate_dse1): New function.
923         (gate_dse2): New function.
924         (gate_dse): Merge results of new gate functions.
925         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
926         (gate_handle_jump_bypass): Add dbg_cnt.
927         (gate_handle_gcse): Add dbg_cnt.
928         * ifcvt.c (gate_handle_if_conversion): Same.
929         (gate_handle_if_after_combine): Same.
930         (gate_handle_if_after_reload): Same.
931         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
932
933 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
934
935         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
936         line sizes.
937         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
938
939 2008-02-26  Jason Merrill  <jason@redhat.com>
940
941         PR c++/35315
942         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
943         alone if it's the naming decl for the type's main variant.
944
945 2008-02-26  Tom Tromey  <tromey@redhat.com>
946
947         * system.h (USE_MAPPED_LOCATION): Poison.
948         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
949         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
950         (make_goto_expr_edges): Likewise.
951         (remove_bb): Likewise.
952         (execute_warn_function_return): Likewise.
953         * basic-block.h (struct edge_def) <goto_locus>: Change type to
954         location_t.
955         * c-common.c (fname_decl): Remove old location code.
956         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
957         location code.
958         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
959         variant.
960         (ASM_INPUT_SOURCE_LOCATION): Likewise.
961         (gen_rtx_ASM_INPUT): Likewise.
962         (gen_rtx_ASM_INPUT_loc): Likewise.
963         (get_rtx_asm_OPERANDS): Remove.
964         * cfglayout.c (insn_locators_alloc): Remove old location code.
965         (set_curr_insn_source_location): Likewise.
966         (curr_insn_locator): Likewise.
967         * print-tree.c (print_node): Remove old location code.
968         * tree-mudflap.c (mf_varname_tree): Remove old location code.
969         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
970         * cfgexpand.c (expand_gimple_cond_expr): Don't use
971         location_from_locus.
972         (construct_exit_block): Remove old location code.
973         * emit-rtl.c (force_next_line_note): Remove old location code.
974         * profile.c (branch_prob): Remove old location code.
975         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
976         LOC_LINE): Remove old-location variants.
977         * langhooks.c (lhd_print_error_function): Remove old location
978         code.
979         * configure, config.in: Rebuilt.
980         * configure.ac (--enable-mapped-location): Remove.
981         * c-decl.c (c_init_decl_processing): Remove old location code.
982         (finish_function): Likewise.
983         * recog.c (decode_asm_operands): Remove old location code.
984         * c-pch.c (c_common_read_pch): Remove old location code.
985         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
986         variants.
987         * gimple-low.c (lower_function_body): Remove old location code.
988         * toplev.c (unknown_location): Remove.
989         (push_srcloc): Remove old-location variant.
990         (process_options): Remove old location code.
991         (lang_dependent_init): Likewise.
992         * input.h (UNKNOWN_LOCATION): Move definition.
993         (location_t): Undeprecate.
994         (source_locus): Remove.
995         (location_from_locus): Remove.
996         (struct location_s): Remove.
997         Remove all old-location code.
998         (input_line, input_filename): Remove.
999         * final.c (final_scan_insn): Remove old location code.
1000         * diagnostic.c (diagnostic_build_prefix): Remove
1001         USE_MAPPED_LOCATION test.
1002         * tree.h (gimple_stmt) <locus>: Now a location_t.
1003         (tree_exp) <locus>: Likewise.
1004         (DECL_IS_BUILTIN): Remove old-location variant.
1005         (annotate_with_file_line, annotate_with_locus): Likewise.
1006         (expr_locus, set_expr_locus): Update.
1007         * tree.c (build1_stat): Remove old location code.
1008         (last_annotated_node): Remove.
1009         (annotate_with_file_line): Remove old-location variant.
1010         (annotate_with_locus): Likewise.
1011         (expr_location): Remove old location code.
1012         (set_expr_location): Likewise.
1013         (expr_has_location): Likewise.
1014         (expr_locus): Likewise.
1015         (set_expr_locus): Likewise.
1016         (expr_filename): Don't use location_from_locus.
1017         (expr_lineno): Likewise.
1018         * rtl-error.c (location_for_asm): Remove old location code.
1019         * c-lex.c (cb_line_change): Remove old location code.
1020         (fe_file_change): Likewise.
1021         (cb_def_pragma): Likewise.
1022         (c_lex_with_flags): Likewise.
1023         * gengtype.c (do_typedef): Don't special-case location types.
1024         (define_location_structures): Remove.
1025         (main): Don't call define_location_structures.
1026         * tree-pretty-print.c (dump_implicit_edges): Remove old location
1027         code.
1028
1029 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1030
1031         PR 26264
1032         * builtins.def (BUILT_IN_STDARG_START): Remove.
1033         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1034         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1035         * tree-inline.c (inline_forbidden_p_1): Likewise.
1036         
1037 2008-02-26  Richard Guenther  <rguenther@suse.de>
1038
1039         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1040         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1041         (lookup_decl_from_uid): Declare.
1042         (remove_decl_from_map): Likewise.
1043         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1044         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1045         (decl_for_uid_map): New global hashtable mapping DECL_UID
1046         to the decl tree.
1047         (init_ttree): Allocate it.
1048         (insert_decl_to_uid_decl_map): New helper function.
1049         (make_node_stat): Insert new decls into the map.
1050         (copy_node_stat): Likewise.
1051         (lookup_decl_from_uid): New function.
1052         (remove_decl_from_map): Likewise.
1053         (print_decl_for_uid_map_statistics): New helper.
1054         (dump_tree_statistics): Call it.
1055
1056         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1057         (referenced_var_iterator): Adjust.
1058         (FOR_EACH_REFERENCED_VAR): Adjust.
1059         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1060         (num_referenced_vars): Adjust.
1061         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1062         (first_referenced_var): Remove.
1063         (end_referenced_vars_p): Likewise.
1064         (next_referenced_var): Likewise.
1065         (referenced_var_iterator_set): New helper function.
1066         * tree-dfa.c (referenced_var_lookup): Adjust.
1067         (referenced_var_check_and_insert): Likewise.
1068         (remove_referenced_var): Likewise.
1069         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1070         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1071         (verify_call_clobbering): Likewise.
1072         (verify_memory_partitions): Likewise.
1073         (init_tree_ssa): Allocate bitmap instead of hashtable for
1074         referenced_vars.
1075         (delete_tree_ssa): Adjust.
1076         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1077         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1078         (compute_tag_properties): Likewise.
1079         (set_initial_properties): Likewise.
1080         (find_partition_for): Likewise.
1081         (update_reference_counts): Likewise.
1082         (dump_may_aliases_for): Likewise.
1083         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1084         (add_call_clobber_ops): Likewise.
1085         (add_call_read_ops): Likewise.
1086         (get_asm_expr_operands): Likewise.
1087         * tree-into-ssa.c (dump_decl_set): Likewise.
1088         (update_ssa): Likewise.
1089         * tree-sra.c (scan_function): Likewise.
1090         (decide_instantiations): Likewise.
1091         (scalarize_parms): Likewise.
1092         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1093         (dsa_named_for): Likewise.
1094         * tree-ssa-structalias.c (update_alias_info): Likewise.
1095         (merge_smts_into): Likewise.
1096
1097 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1098
1099         PR 34351
1100         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1101         * c-opts.c (c_common_handle_option): Wall enables
1102         Wvolatile-register-var.
1103         * common.opt: Move Wvolatile-register-var to...
1104         * c.opt: ...here.
1105         
1106 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1107
1108         * common.opt (Wlarger-than=): New.
1109         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1110         -Wlarger-than=.
1111         * opts.c (common_handle_option): Handle -Wlarger-than=.
1112         * optc-gen.awk: Likewise.
1113         * opth-gen.awk: Likewise.
1114         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1115         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1116         
1117 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1118
1119         * c-common.c (match_case_to_enum_1): Add appropriate
1120         OPT_W* parameter to warning.
1121         (c_do_switch_warnings): Likewise.
1122         * c-typeck.c (warning_init): Add one more parameter following
1123         'warning' function.
1124         (push_init_level): Update call to warning_init.
1125         (pop_init_level): Likewise.
1126         (add_pending_init): Likewise.
1127         (output_init_element: Likewise.
1128
1129 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1130
1131         PR 28322
1132         * toplev.c (toplev_main): If there are warnings or error, print
1133         errors for ignored options.
1134         * opts.c (ignored_options): New static variable.
1135         (postpone_unknown_option_error): New.
1136         (print_ignored_options): New.
1137         (handle_option): Postpone errors for unknown -Wno-* options.
1138         * opts.h (print_ignored_options): Declare.
1139         
1140 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1141
1142         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1143         to "ghost".
1144
1145 2008-02-25  Richard Guenther  <rguenther@suse.de>
1146
1147         Revert:
1148         2008-02-25  Richard Guenther  <rguenther@suse.de>
1149
1150         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1151         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1152         (lookup_decl_from_uid): Declare.
1153         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1154         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1155         (decl_for_uid_map): New global hashtable mapping DECL_UID
1156         to the decl tree.
1157         (init_ttree): Allocate it.
1158         (insert_decl_to_uid_decl_map): New helper function.
1159         (make_node_stat): Insert new decls into the map.
1160         (copy_node_stat): Likewise.
1161         (lookup_decl_from_uid): New function.
1162         (print_decl_for_uid_map_statistics): New helper.
1163         (dump_tree_statistics): Call it.
1164
1165         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1166         (referenced_var_iterator): Adjust.
1167         (FOR_EACH_REFERENCED_VAR): Adjust.
1168         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1169         (num_referenced_vars): Adjust.
1170         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1171         (first_referenced_var): Remove.
1172         (end_referenced_vars_p): Likewise.
1173         (next_referenced_var): Likewise.
1174         (referenced_var_iterator_set): New helper function.
1175         * tree-dfa.c (referenced_var_lookup): Adjust.
1176         (referenced_var_check_and_insert): Likewise.
1177         (remove_referenced_var): Likewise.
1178         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1179         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1180         (verify_call_clobbering): Likewise.
1181         (verify_memory_partitions): Likewise.
1182         (init_tree_ssa): Allocate bitmap instead of hashtable for
1183         referenced_vars.
1184         (delete_tree_ssa): Adjust.
1185         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1186         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1187         (compute_tag_properties): Likewise.
1188         (set_initial_properties): Likewise.
1189         (find_partition_for): Likewise.
1190         (update_reference_counts): Likewise.
1191         (dump_may_aliases_for): Likewise.
1192         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1193         (add_call_clobber_ops): Likewise.
1194         (add_call_read_ops): Likewise.
1195         (get_asm_expr_operands): Likewise.
1196         * tree-into-ssa.c (dump_decl_set): Likewise.
1197         (update_ssa): Likewise.
1198         * tree-sra.c (scan_function): Likewise.
1199         (decide_instantiations): Likewise.
1200         (scalarize_parms): Likewise.
1201         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1202         (dsa_named_for): Likewise.
1203         * tree-ssa-structalias.c (update_alias_info): Likewise.
1204         (merge_smts_into): Likewise.
1205
1206 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1207
1208         PR fortran/29549
1209         * doc/invoke.texi (-fcx-limited-range): Document new option.
1210         * toplev.c (process_options): Handle -fcx-fortran-rules.
1211         * common.opt: Add documentation for -fcx-fortran-rules.
1212
1213 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1214
1215         PR c/35162
1216         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1217         actual behaviour and C99.
1218         
1219 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1220
1221         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1222         (ASM_CPU_POWER6_SPEC): Likewise.
1223         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1224         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1225         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1226
1227 2008-02-25  Richard Guenther  <rguenther@suse.de>
1228
1229         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1230         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1231         (lookup_decl_from_uid): Declare.
1232         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1233         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1234         (decl_for_uid_map): New global hashtable mapping DECL_UID
1235         to the decl tree.
1236         (init_ttree): Allocate it.
1237         (insert_decl_to_uid_decl_map): New helper function.
1238         (make_node_stat): Insert new decls into the map.
1239         (copy_node_stat): Likewise.
1240         (lookup_decl_from_uid): New function.
1241         (print_decl_for_uid_map_statistics): New helper.
1242         (dump_tree_statistics): Call it.
1243
1244         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1245         (referenced_var_iterator): Adjust.
1246         (FOR_EACH_REFERENCED_VAR): Adjust.
1247         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1248         (num_referenced_vars): Adjust.
1249         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1250         (first_referenced_var): Remove.
1251         (end_referenced_vars_p): Likewise.
1252         (next_referenced_var): Likewise.
1253         (referenced_var_iterator_set): New helper function.
1254         * tree-dfa.c (referenced_var_lookup): Adjust.
1255         (referenced_var_check_and_insert): Likewise.
1256         (remove_referenced_var): Likewise.
1257         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1258         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1259         (verify_call_clobbering): Likewise.
1260         (verify_memory_partitions): Likewise.
1261         (init_tree_ssa): Allocate bitmap instead of hashtable for
1262         referenced_vars.
1263         (delete_tree_ssa): Adjust.
1264         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1265         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1266         (compute_tag_properties): Likewise.
1267         (set_initial_properties): Likewise.
1268         (find_partition_for): Likewise.
1269         (update_reference_counts): Likewise.
1270         (dump_may_aliases_for): Likewise.
1271         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1272         (add_call_clobber_ops): Likewise.
1273         (add_call_read_ops): Likewise.
1274         (get_asm_expr_operands): Likewise.
1275         * tree-into-ssa.c (dump_decl_set): Likewise.
1276         (update_ssa): Likewise.
1277         * tree-sra.c (scan_function): Likewise.
1278         (decide_instantiations): Likewise.
1279         (scalarize_parms): Likewise.
1280         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1281         (dsa_named_for): Likewise.
1282         * tree-ssa-structalias.c (update_alias_info): Likewise.
1283         (merge_smts_into): Likewise.
1284
1285 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1286
1287         PR target/35258
1288         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1289         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1290         * alias.h (nonoverlapping_memrefs_p): Likewise.
1291
1292 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1293
1294         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1295         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1296         __emultls_get_address, __emultls_register_common,
1297         __floatundi?f, and _Unwind_GetIPInfo.
1298         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1299         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1300         (gen_regparm_prefix): Likewise.
1301         (i386_nlm_encode_section_info): Sync with
1302         config/i386/winnt.c:i386_pe_encode_section_info().
1303         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1304         i386_nlm_mangle_decl_assembler_name): New.
1305         (netware_override_options): New.
1306         * config/i386/netware.h (netware_override_options): Declare.
1307         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1308         (i386_nlm_mangle_decl_assembler_name): Declare.
1309         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1310
1311 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1312
1313         PR other/32948
1314         * c-decl.c (grokdeclarator): Remove unused local variables
1315         `typedef_type' and `type_as_written'.
1316         * bb-reorder.c
1317         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1318         unused local variable `has_hot_blocks'.
1319         (fix_crossing_conditional_branches): Remove unused local variable
1320         `prev_bb'.
1321         
1322 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1323
1324         PR middle-end/19984
1325         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1326         using DEF_C99_BUILTIN.
1327         (BUILT_IN_NANF): Ditto.
1328         (BUILT_IN_NANL): Ditto.
1329
1330 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1331             Revital Eres  <eres@il.ibm.com>
1332
1333         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1334         regarding the order of two dependent insns in the same row.
1335
1336 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1337
1338         * stor-layout.c (layout_decl): Do not bump the alignment of a
1339         bit-field to more than byte alignment if it is packed.
1340
1341 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1342
1343         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1344         e300c2 and e300c3.
1345
1346 2008-02-24  Diego Novillo  <dnovillo@google.com>
1347
1348         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1349
1350         PR 33738
1351         * tree-vrp.c (vrp_evaluate_conditional): With
1352         -Wtype-limits, emit a warning when comparing against a
1353         constant outside the natural range of OP0's type.
1354         * c.opt (Wtype-limits): Move ...
1355         * common.opt (Wtype-limits): ... here.
1356
1357 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1358
1359         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1360         * config/rs6000/e300c2c3.md: New file.
1361         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1362         e300c2 and e300c3.
1363         (rs6000_override_options): Add e300c2 and e300c3 cases to
1364         processor_target_table. Do not allow usage of Altivec or Spe
1365         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1366         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1367         * config/rs6000/rs6000.h (processor_type): Add
1368         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1369         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1370         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1371         and ppce300c3. Include e300c2c3.md.
1372
1373 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1374
1375         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1376         instead of TARGET_STRICT_ALIGN.
1377
1378 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1379
1380         * explow.c (memory_address): Assert that the generated address is
1381         valid.
1382
1383 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1384
1385         PR target/25477
1386         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1387         * config/darwin-ppc-ldouble-patch.def: New file.
1388         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1389         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1390         SUBTARGET_INIT_BUILTINS if defined.
1391         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1392         New functions.
1393
1394 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1395
1396         PR rtl-opt/33512
1397         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1398         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1399
1400 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1401
1402         PR pch/35027
1403         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1404         file" warning condtional on -Winvalid-PCH.
1405
1406 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1407
1408         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1409
1410 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1411
1412         PR target/22076
1413         PR target/34256 
1414         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1415         prevent reload from using MMX registers.
1416         (*mov<mode>_internal): Ditto.
1417         (*movv2sf_internal_rex64): Ditto.
1418         (*movv2sf_internal): Ditto.
1419
1420 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1421
1422         PR documentation/31569
1423         * doc/install.texi2html: Use makeinfo --no-number-sections.
1424
1425 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1426
1427         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1428         ensure that we can address an entire entity > 8 bytes.  Don't
1429         generate reg+reg addressing for such data.
1430
1431 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1432
1433         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1434         strings when optimizing for size, unless the target cares about
1435         alignment.
1436
1437 2008-02-22  Tom Tromey  <tromey@redhat.com>
1438
1439         * regclass.c (current_pass): Remove declaration.
1440
1441 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1442
1443         * config/avr/libgcc.S (__RAMPZ__): Define.
1444         (__do_copy_data): Add for devices with 128KB code memory.
1445
1446 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1447
1448         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1449         Use spe_abi.
1450         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1451
1452 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1453
1454         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1455         GENNONACR_REGS.
1456
1457 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1458
1459         PR c/19999
1460         * c-typeck.c (build_binary_op): Warn about floating point
1461         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1462
1463 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1464
1465         PR target/34526
1466         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1467         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1468         add vrsave.
1469         (rs6000_override_options): Set altivec_abi as default, not override,
1470         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1471         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1472         is used; use new member spe_abi.
1473         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1474         spe_abi and altivec_abi.
1475
1476 2008-02-22  Tomas Bily  <tbily@suse.cz>
1477
1478         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1479
1480 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1481
1482         PR bootstrap/35273
1483         * config.build (build_file_translate): Set to `CMD //c' only if
1484         it works.
1485         * Makefile.in (build_file_translate): Improve comment.
1486
1487 2008-02-21  Jan Hubicka  <jh@suse.cz>
1488
1489         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1490         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1491         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1492
1493 2008-02-21  Michael Matz  <matz@suse.de>
1494
1495         PR target/35264
1496         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1497
1498 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1499
1500         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1501         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1502         as insn constraint.
1503         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1504         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1505         SSE_VEC_FLOAT_MODE_P as insn constraint.
1506         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1507         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1508         sse4a_movntdf using MODEF mode iterator.
1509         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1510         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1511         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1512         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1513         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1514         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1515         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1516
1517 2008-02-21  Richard Guenther  <rguenther@suse.de>
1518
1519         * tree.def (PAREN_EXPR): New tree code.
1520         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1521         and PAREN_EXPR.
1522         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1523         * expr.c (expand_expr_real_1): Likewise.
1524         * tree-inline.c (estimate_num_insns_1): Likewise.
1525         * tree-complex.c (expand_complex_move): Likewise.
1526         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1527         as plain x.
1528
1529 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1530
1531         PR target/35225
1532         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1533
1534 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1535
1536         PR target/35190
1537         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1538
1539         * config/sh/sh.c (find_barrier): Don't go past
1540         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1541
1542 2008-02-20  DJ Delorie  <dj@redhat.com>
1543
1544         * config/h8300/h8300.md (insv): Force source operand to be a register.
1545
1546         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1547         as a jump, not as a plain insn.
1548         
1549 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1550
1551         * doc/invoke.texi (Warning Options): Add new option
1552         -Wframe-larger-than=.
1553         (-Wframe-larger-than): Document.
1554
1555         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1556         Add declarations for new option variables.
1557
1558         * final.c (final_start_function): Check the frame size
1559         before emission and issue a Wframe-larger-than warning.
1560
1561         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1562         Add definitions for new option variables.
1563         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1564
1565         * common.opt (Wframe-larger-than=): New option.
1566
1567 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1568
1569         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1570         (<sse>_div<mode>3): Ditto.
1571         (<sse>_vmdiv<mode>3): Ditto.
1572         (<sse>_vmsqrt<mode>2): Ditto.
1573         (*smax<mode>3): Ditto.
1574         (sse5_frcz<mode>2): Ditto.
1575         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1576         as insn constraint.
1577
1578 2008-02-20  Richard Guenther  <rguenther@suse.de>
1579
1580         PR middle-end/35265
1581         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1582         be happy with INTEGRAL_TYPE_P.
1583
1584 2008-02-20  Richard Guenther  <rguenther@suse.de>
1585
1586         * fold-const.c (split_tree): Associate floatig-point expressions
1587         if flag_associative_math is set.
1588
1589 2008-02-20  Richard Guenther  <rguenther@suse.de>
1590
1591         * tree.h (fold_real_zero_addition_p): Declare.
1592         * fold-const.c (fold_real_zero_addition_p): Export.
1593         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1594         floating-point operations with zero and one.
1595
1596 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1597
1598         * doc/install.texi: Correct references to CFLAGS, replacing them
1599         with BOOT_CFLAGS.  Document flags used during bootstrap for
1600         target libraries.
1601                                 
1602 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1603
1604         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1605         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1606         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1607         insn constraint.
1608         (smin<mode>3): Ditto from similar patterns.
1609         (smax<mode>3): Ditto.
1610         (*ieee_smin<mode>3): Ditto.
1611         (*ieee_smax<mode>3): Ditto.
1612         * config/i386/sse.md (sse): New mode attribute.
1613         (mov<mode>): Macroize expander from movv4sf and movv2df using
1614         SSEMODEF2P mode iterator.
1615         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1616         SSE_VEC_FLOAT_MODE_P as insn constraint.
1617         (storent<mode>): Ditto.
1618         (storent<mode>): Macroize expander from storentsf and storentdf using
1619         MODEF mode iterator.
1620         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1621         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1622         (abs<mode>2): Ditto from similar patterns.
1623         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1624         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1625         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1626         (<sse>_vmsqrt<mode>2): Ditto.
1627         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1628         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1629         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1630         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1631         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1632         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1633         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1634         insn constraint.
1635         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1636         iterator and SSE_FLOAT_MODE_P as insn constraint.
1637         (<sse>_ucomi): Ditto from similar patterns.
1638         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1639         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1640         SSE_VEC_FLOAT_MODE_P as insn constraint.
1641         (vcond<mode>): Ditto from similar patterns.
1642         (and<mode>3, *and<mode>3): Ditto.
1643         (<sse>_nand<mode>3): Ditto.
1644         (ior<mode>3, *ior<mode>3): Ditto.
1645         (xor<mode>3, *xor<mode>3): Ditto.
1646         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1647         iterator and SSE_FLOAT_MODE_P as insn constraint.
1648         (*nand<mode>3): Ditto from similar patterns.
1649         (*ior<mode>3): Ditto.
1650         (*xor<mode>3): Ditto.
1651
1652 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1653
1654         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1655         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1656         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1657
1658 2008-02-19  Jan Hubicka  <jh@suse.cz>
1659
1660         * predict.c (tree_bb_level_predictions): Remove variable next
1661         mistakely introduced by previous commit.
1662
1663 2008-02-19  Jan Hubicka  <jh@suse.cz>
1664
1665         * predict.c (predict_paths_leading_to): Rewrite.
1666         (predict_paths_for_bb): New.
1667         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1668
1669 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1670
1671         PR bootstrap/35218
1672         * Makefile.in (build_file_translate): New.
1673         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1674         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1675         * configure.ac (build_file_translate): Substitute it.
1676         * configure: Regenerate.
1677
1678 2008-02-19  Jan Hubicka  <jh@suse.cz>
1679
1680         PR rtl-optimization/34408
1681         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1682         invalid sharing.
1683
1684 2008-02-19  Jan Hubicka  <jh@suse.cz>
1685
1686         PR middle-end/28779
1687         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1688         call_expr.
1689
1690 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1691
1692         PR Ada/35186
1693         * config/i386/i386-modes.def: Revert the last DI alignment
1694         change until Ada people can look into it.
1695
1696 2008-02-19  Nick Clifton  <nickc@redhat.com>
1697
1698         * opts.c (print_specific_help): Fix typo in --help text.
1699
1700 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1701
1702         PR target/35239
1703         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1704         32-bit inline asm without asm alternatives for host GCC < 3.0.
1705
1706 2008-02-19  Richard Guenther  <rguenther@suse.de>
1707
1708         PR tree-optimization/34989
1709         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1710         Allow propagation to INDIRECT_REF if we can simplify only.
1711
1712 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1713
1714         * c-common.c (warn_for_collisions_1): Use appropriate option when
1715         warning.
1716
1717 2008-02-19  Nick Clifton  <nickc@redhat.com>
1718
1719         PR other/31349
1720         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1721         (handle_options): Fix indentation.
1722         (print_filtered_help): If no language-specific options were
1723         displayed tell the user how to list all the options supported by
1724         the language's front-end.
1725         (print_specific_help): Fix indentation and remove duplicate line.
1726         (common_handle_option): Handle the -v option.
1727         For --help enable the display of undocumented options if the -v
1728         switch has been included on the command line.
1729         For --help= check for overlaps in the arguments between the option
1730         classes and the language names and issue a warning when they
1731         cannot be disambiguated.
1732         * c.opt (v): Pass on to the common option handler.
1733
1734 2008-02-19  Revital Eres  <eres@il.ibm.com> 
1735
1736         * modulo-sched.c (sms_schedule): Change dump message when
1737         create_ddg function fails.
1738         (try_scheduling_node_in_cycle): Rename row to cycle.
1739         (print_partial_schedule): Rename CYCLE to ROW.
1740
1741 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1742             Zdenek Dvorak  <ook@ucw.cz>
1743
1744         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1745
1746 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1747
1748         PR target/33555
1749         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1750         (*x86_movdicc_0_m1_se): Ditto.
1751
1752 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1753
1754         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1755         (CMPtype): Define as __gcc_CMPtype.
1756         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1757         (CMPtype): Define as __gcc_CMPtype.
1758
1759 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1760
1761         Support valgrind 3.3 for --enable-checking=valgrind.
1762         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1763         here.
1764         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1765         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1766         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1767         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1768         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1769         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1770         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1771         respectively.
1772         * ggc-zone.c: Similar.
1773         * ggc-page.c: Similar.
1774
1775 2008-02-19  Paul Brook  <paul@codesourcery.com>
1776
1777         PR target/35071
1778         * config/arm/ieee754-df.S: Fix do_it typo.
1779         * config/arm/ieee754-sf.S: Fix do_it typo.
1780
1781 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1782
1783         PR target/35189
1784         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1785         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1786         (OPTION_MASK_ISA_SSE_SET): Likewise.
1787         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1788         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1789         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1790         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1791         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1792         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1793         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1794         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1795         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1796         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1797         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1798         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1799         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1800         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1801         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1802         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1803         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1804         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1805         (OPTION_MASK_ISA_SSE4): Removed.
1806         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1807         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
1808         (override_options): Don't turn on implied SSE/MMX bits in
1809         ix86_isa_flags.
1810
1811 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1812
1813         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1814         32bit host.
1815
1816 2008-02-18  Joey Ye  <joey.ye@intel.com>
1817
1818         PR middle-end/34921
1819         * tree-nested.c (insert_field_into_struct): Set type alignment
1820         to field alignment if the former is less than the latter.
1821
1822 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1823
1824         * BASE-VER: Set to 4.4.0.
1825
1826 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1827
1828         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1829         * doc/cfg.texi: Likewise.
1830         * doc/extend.texi: Likewise.
1831         * doc/gty.texi: Likewise.
1832         * doc/invoke.texi: Likewise.
1833         * doc/loop.texi: Likewise.
1834         * doc/md.texi: Likewise.
1835         * doc/passes.texi: Likewise.
1836         * doc/rtl.texi: Likewise.
1837         * doc/sourcebuild.texi: Likewise.
1838         * doc/tm.texi: Likewise.
1839         * doc/tree-ssa.texi: Likewise.
1840
1841 2008-02-17  Richard Guenther  <rguenther@suse.de>
1842
1843         PR middle-end/35227
1844         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1845         without default definition.
1846
1847 2008-02-17  Richard Guenther  <rguenther@suse.de>
1848
1849         PR tree-optimization/35231
1850         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1851         if A | B != 1.
1852
1853 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1854
1855         Revert:
1856
1857         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
1858         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1859         libgcc_cmp_return mode.
1860
1861 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1862
1863         PR c/28368
1864         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1865
1866 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1867
1868         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1869         multilibs.
1870
1871 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1872
1873         * doc/c-tree.texi: Use `@.' where appropriate.
1874         * doc/extend.texi: Likewise.
1875         * doc/install.texi: Likewise.
1876         * doc/invoke.texi: Likewise.
1877         * doc/loop.texi: Likewise.
1878         * doc/makefile.texi: Likewise.
1879         * doc/md.texi: Likewise.
1880         * doc/passes.texi: Likewise.
1881         * doc/standards.texi: Likewise.
1882         * doc/tm.texi: Likewise.
1883
1884 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1885
1886         PR middle-end/35196
1887         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1888         in entry_bb.
1889         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1890         rather than in entry_bb.
1891
1892 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1893
1894         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1895         libgcc_cmp_return mode.
1896
1897 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1898
1899         PR middle-end/35130
1900         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1901         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1902
1903 2008-02-15  Richard Guenther  <rguenther@suse.de>
1904             Zdenek Dvorak  <ook@ucw.cz>
1905
1906         PR tree-optimization/35164
1907         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1908         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1909         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1910         Only propagate addresses which do not have abnormal SSA_NAMEs
1911         in their operands.
1912
1913 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1914
1915         PR target/35088
1916         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1917
1918 2008-02-15  Jan Hubicka  <jh@suse.cz>
1919
1920         PR middle-end/35149
1921         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1922
1923 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1924
1925         PR middle-end/34621
1926         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1927         when calculating alignment_pad.
1928
1929 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1930
1931         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1932         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1933         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1934         and STACK_BOUNDARY define.
1935
1936 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1937
1938         PR preprocessor/35061
1939         * c-pragma.c (handle_pragma_pop_macro): Check that
1940         pushed_macro_table has been allocated.
1941
1942 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1943
1944         PR middle-end/35136
1945         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1946         (force_gimple_operand): Likewise.
1947         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1948         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1949         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1950         (find_interesting_uses_address): Check addressability and alignment
1951         of the base expression only after substituting bases of IVs into it.
1952
1953 2008-02-14  Michael Matz  <matz@suse.de>
1954
1955         PR target/34930
1956         * function.c (instantiate_virtual_regs_in_insn): Reload address
1957         before falling back to reloading the whole operand.
1958
1959 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1960
1961         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1962         before the first section switch note.
1963
1964 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1965
1966         * doc/bugreport.texi: Update copyright years.
1967         * doc/c-tree.texi: Likewise.
1968         * doc/cfg.texi: Likewise.
1969         * doc/cpp.texi: Likewise.
1970         * doc/cppinternals.texi: Likewise.
1971         * doc/fragments.texi: Likewise.
1972         * doc/frontends.texi: Likewise.
1973         * doc/gcc.texi: Likewise.
1974         * doc/gty.texi: Likewise.
1975         * doc/hostconfig.texi: Likewise.
1976         * doc/implement-c.texi: Likewise.
1977         * doc/libgcc.texi: Likewise.
1978         * doc/loop.texi: Likewise.
1979         * doc/makefile.texi: Likewise.
1980         * doc/options.texi: Likewise.
1981         * doc/passes.texi: Likewise.
1982         * doc/rtl.texi: Likewise.
1983         * doc/sourcebuild.texi: Likewise.
1984         * doc/standards.texi: Likewise.
1985         * doc/tree-ssa.texi: Likewise.
1986         * doc/trouble.texi: Likewise.
1987
1988         * doc/extend.texi: Use @: or add comma where appropriate.
1989         * doc/invoke.texi: Likewise.
1990         * doc/tm.texi: Likewise.
1991
1992 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1993
1994         PR target/34393
1995         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1996         to a reg.
1997
1998 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1999
2000         * doc/md.texi (clz, ctz): Add reference.
2001         * doc/rtl.texi (clz, ctz): Likewise.
2002
2003 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2004
2005         PR other/35148
2006         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2007         srcdir.
2008
2009 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2010
2011         * config/s390/s390.c (struct constant_pool): New field
2012         emit_pool_after added.
2013         (s390_mainpool_start): Set the emit_pool_after flag according
2014         to the section switch notes.
2015         (s390_mainpool_finish): Consider emit_pool_after when emitting
2016         the literal pool at the end of the function.
2017         (s390_chunkify_start): Force literal pool splits at section
2018         switch notes.
2019
2020 2008-02-13  Michael Matz  <matz@suse.de>
2021
2022         PR debug/35065
2023         * var-tracking.c (clobber_variable_part): Correctly traverse the
2024         list.
2025
2026 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2027
2028         PR 29673
2029         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2030         Add -fdump-ipa-inline.
2031         * tree-dump.c (dump_files): Remove tree-inlined dump.
2032         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2033         
2034 2008-02-12  Richard Guenther  <rguenther@suse.de>
2035
2036         PR tree-optimization/35171
2037         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2038         default defs.
2039
2040 2008-02-12  Richard Guenther  <rguenther@suse.de>
2041
2042         PR middle-end/35163
2043         * fold-const.c (fold_widened_comparison): Use get_unwidened in
2044         value-preserving mode.  Disallow final truncation.
2045
2046 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2047
2048         PR middle-end/35136
2049         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2050         code from here to...
2051         (force_gimple_operand): ...here.
2052
2053 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2054
2055         PR c++/35144
2056         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2057         non-compatible pointers.
2058         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2059         different FIELD_DECLs, try harder by comparing field offsets, sizes
2060         and types.
2061
2062         PR inline-asm/35160
2063         * function.c (match_asm_constraints_1): Don't replace the same input
2064         multiple times.
2065
2066 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2067
2068         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2069         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2070         (expand_epilogue): Restore RAMPZ register.
2071         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2072
2073 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2074
2075         * config/i386/cygwin.asm: (__alloca): Correct calling
2076         convention and alignment.
2077         (__chkstk): Force 8 byte stack alignment.
2078
2079 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2080             Richard Guenther  <rguenther@suse.de>
2081
2082         PR tree-optimization/33992
2083         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2084         the zero we compare against.
2085
2086 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2087
2088         PR libfortran/35063
2089         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2090         to CloseHandle after unlocking to prevent accumulation of handle
2091         count.
2092
2093 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2094
2095         PR middle_end/34150
2096         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2097         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2098         and update LABEL_NUSES during and after reload.
2099
2100 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2101
2102         PR middle-end/34627
2103         * combine.c (simplify_if_then_else): Make sure the comparison is
2104         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2105
2106 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2107
2108         PR bootstrap/35051
2109         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2110         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2111         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2112         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2113         * tree.h (get_type_static_bounds): Likewise.
2114
2115 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2116
2117         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2118         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2119         Make -Wfoo language annotations match what the compiler outputs.
2120
2121 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2122
2123         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
2124         intrinsics spu_convts, spu_convtu, spu_convtf.
2125         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2126
2127 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2128
2129         * doc/extend.texi (Function Attributes) <noinline>: Mention
2130         asm ("") as method to keep calls.
2131
2132 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2133
2134         PR other/32754
2135         * doc/options.texi (Options): Replace references to opts.sh with
2136         optc-gen.awk.
2137         * opts-common.c: Likewise.
2138         * optc-gen.awk: Likewise.
2139         
2140 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2141
2142         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2143
2144 2008-02-07  Richard Henderson  <rth@redhat.com>
2145
2146         PR rtl-opt/33410
2147         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2148         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
2149         funny mode.
2150
2151 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2152
2153         PR tree-optimization/35085
2154         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2155         for operand entry oe2 in addition to operand entry oe3 in order to
2156         expose more opportunities for vectorizer sum reduction.
2157
2158 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2159
2160         PR other/35107
2161         * Makefile.in (LIBS): Remove $(GMPLIBS).
2162         (cc1-dummy, cc1): Add $(GMPLIBS).
2163
2164 2008-02-06  Jan Hubicka  <jh@suse.cz>
2165
2166         PR target/23322
2167         * i386.md (moddf_integer): Do not produce partial memory stalls for
2168         targets where it hurts.
2169
2170 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2171
2172         PR target/35083
2173         * optabs.c (expand_float): Do not check for decimal modes when
2174         expanding unsigned integer through signed conversion.
2175
2176 2008-02-06  Nick Clifton  <nickc@redhat.com>
2177
2178         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2179         inside the clobber with a match_operand and duplicated operand
2180         number in the constraint.
2181         (ineqbranchsi): Delete redundant comment.
2182
2183 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2184
2185         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
2186         builtin_define ("__USE_INIT_FINI__").
2187         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2188         -msx multilibs.
2189         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2190
2191 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2192
2193         PR documentation/30330
2194         * doc/invoke.texi (C++ Dialect Options)
2195         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2196         For each warning option -Wfoo that allows -Wno-foo, ensure both
2197         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2198         entry of -Wswitch-default, index -Wnormalized= including the
2199         `=', and -Wlarger-than-@var{len} including @var{len}.
2200
2201 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2202
2203         * config/i386/i386.md (floatunssisf2): Use
2204         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2205         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2206         Macroize expander using MODEF mode iterator.
2207
2208 2008-02-05  Diego Novillo  <dnovillo@google.com>
2209
2210         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2211
2212         PR 33738
2213         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2214
2215 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2216
2217         PR other/35070
2218         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2219
2220 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2221
2222         PR target/35084
2223         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2224         to indicate if a message should be generated.
2225         (init_cumulative_args): Updated.
2226         (function_value_32): Likewise.
2227
2228 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2229
2230         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2231
2232 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2233
2234         PR target/35083
2235         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2236         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2237
2238 2008-02-04  Diego Novillo  <dnovillo@google.com>
2239
2240         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2241
2242         PR 33738
2243         * tree-vrp.c (vrp_evaluate_conditional): With
2244         -Wtype-limits, emit a warning when comparing against a
2245         constant outside the natural range of OP0's type.
2246
2247 2008-02-04  Richard Guenther  <rguenther@suse.de>
2248
2249         PR middle-end/33631
2250         * expr.c (count_type_elements): Give for unions instead of
2251         guessing.
2252
2253 2008-02-04  Richard Guenther  <rguenther@suse.de>
2254
2255         PR middle-end/35043
2256         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2257         to TYPE_DOMAINs base type instead of using bitsizetype here.
2258
2259 2008-02-03  Jason Merrill  <jason@redhat.com>
2260
2261         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2262
2263 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2264
2265         PR other/29972
2266         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2267         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2268         (RS/6000 and PowerPC Options): Fix typos and markup.
2269         * doc/passes.texi (Tree-SSA passes): Likewise.
2270
2271 2008-02-02  Michael Matz  <matz@suse.de>
2272
2273         PR target/35045
2274         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2275         from record_last_reg_set_info.
2276         (record_last_reg_set_info): Take an RTX argument, iterate over all
2277         constituent hardregs.
2278         (record_last_set_info, record_opr_changes): Change calls to
2279         new signature or to record_last_reg_set_info_regno.
2280
2281 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2282
2283         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2284
2285 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2286
2287         PR rtl-optimization/34773
2288         * reg-notes.def (EQUAL): Mention significance of combination of
2289         REG_EQUAL and REG_RETVAL.
2290         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2291         insn that has a REG_RETVAL.
2292
2293 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2294
2295         PR bootstrap/33781
2296         * configure.ac (--enable-fixed-point): Disable unless explicitly
2297         requested on IRIX.
2298         * configure: Regenerate.
2299
2300 2008-02-01  Richard Guenther  <rguenther@suse.de>
2301
2302         PR other/35042
2303         * invoke.texi (-finline-limit): Remove no longer true parts
2304         of the documentation.  Note that there is no default value.
2305
2306 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2307             Mark Mitchell  <mark@codesourcery.com>
2308             Ben Elliston  <bje@au.ibm.com>
2309
2310         PR c/29326
2311         * doc/extend.texi (Other Builtins): Document.
2312
2313 2008-01-31  Tom Browder <tom.browder@gmail.com>
2314
2315         * doc/c-tree.texi (Types): Fix grammar.
2316         (Expression trees): Ditto.
2317         * doc/passes.texi (Tree-SSA passes): Ditto.
2318         
2319         * doc/configterms.texi (Configure Terms): Fix typo.
2320         * doc/cpp.texi (Common Predefined Macros): Ditto.
2321         * doc/md.texi (Machine Constraints): Ditto.
2322         
2323         * doc/makefile.texi (Makefile): Add comma.
2324
2325 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2326             Gerald Pfeifer  <gerald@pfeifer.com>
2327         
2328         * doc/sourcebuild.texi (Front End): Remove references to CVS
2329         and CVSROOT/modules.
2330         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2331         (Back End): Remove reference to CVS.
2332
2333 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2334
2335         PR target/34900
2336         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2337         comment from...
2338         (mips16_gp_pseudo_reg): ...here.
2339         * config/mips/mips.md (load_const_gp): Replace with...
2340         (load_const_gp_<mode>): ...this :P-based insn.
2341
2342 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2343
2344         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2345         options. Minor fixes.
2346         (-std): Move reference to standards closer to where language
2347         standards are first mentioned.
2348         
2349 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2350
2351         PR rtl-optimization/34995
2352         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2353         parameter and return a bool.  If the rtx parameter is nonnull,
2354         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2355         (find_reloads): Update call accordingly.  Pass the new operand
2356         if it needed no address reloads, otherwise pass null.
2357
2358 2008-01-30  Richard Henderson  <rth@redhat.com>
2359
2360         PR c/34993
2361         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2362         for unbounded arrays.
2363
2364 2008-01-30  Silvius Rus  <rus@google.com>
2365
2366         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2367
2368 2008-01-30  Jan Hubicka  <jh@suse.cz>
2369
2370         PR target/34982
2371         * i386.c (init_cumulative_args): Use real function declaration when
2372         calling locally.
2373
2374 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2375
2376         PR rtl-optimization/34998
2377         * global.c (build_insn_chain): Treat non-subreg_lowpart
2378         SUBREGs of pseudos as clobbering all the words covered by the
2379         SUBREG, not just all the bytes.
2380         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2381         original df_ref rather than an extract parameter.
2382         (global_conflicts): Update call accordingly.
2383
2384 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2385
2386         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2387         the overflow check to make it easier to read.
2388         (__fixtfdi): Change the type of the ll member in union
2389         long_double to UDItype_x.
2390
2391 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2392
2393         PR middle-end/34969
2394         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2395         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2396         * tree-inline.c (fold_marked_statements): Call
2397         cgraph_update_edges_for_call_stmt if folding a call statement.
2398         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2399         debug_generic_stmt calls, reset it back afterwards.
2400
2401         PR c/35017
2402         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2403         static decls.
2404         * c-typeck.c (build_external_ref): Don't pedwarn about
2405         static vars in current function's scope.
2406
2407 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2408
2409         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2410
2411 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2412
2413         PR c/35002
2414         * ipa-struct-reorg.c: Fix spelling.
2415         * params.def: Ditto.
2416
2417 2008-01-29  Richard Guenther  <rguenther@suse.de>
2418
2419         PR middle-end/35006
2420         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2421         field.
2422         * tree-inline.c (remap_type): Increment remapping_type_depth
2423         around remapping types.
2424         (copy_body_r): Only add referenced variables if they are referenced
2425         from code, not types.
2426
2427 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2428
2429         PR c++/34055
2430         PR c++/34103
2431         PR c++/34219
2432         PR c++/34606
2433         PR c++/34753
2434         PR c++/34754
2435         PR c++/34755
2436         PR c++/34919
2437         PR c++/34961
2438         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2439         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2440
2441 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2442
2443         PR target/34412
2444         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
2445         pointer for tiny stack.
2446
2447 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2448
2449         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2450
2451 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2452
2453         * config/vx-common.h: Fix typo in comment.
2454
2455 2008-01-28  Ian Lance Taylor  <iant@google.com>
2456
2457         PR c++/34862
2458         PR c++/33407
2459         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2460         coalesce pointers if they have different DECL_NO_TBAA_P values.
2461         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2462         between variables with different DECL_NO_TBAA_P values.
2463
2464 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2465
2466         PR 31535
2467         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2468         are not legitimate small data references on SPE targets.
2469
2470 2008-01-28  David Daney  <ddaney@avtrex.com>
2471
2472         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2473
2474 2008-01-28  David Daney  <ddaney@avtrex.com>
2475
2476         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2477
2478 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2479
2480         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2481         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2482         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2483         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2484         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2485         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2486         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2487         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2488
2489 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2490
2491         * basic-block.h (condjump_equiv_p): Fix comment.
2492
2493 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2494
2495         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2496         print_generic_stmt_indented): Fix comment.
2497
2498 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2499
2500         * configure.ac (__stack_chk_fail): Add detecion for availability
2501         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2502         * configure: Regenerate.
2503
2504 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2505
2506         PR middle-end/34688
2507         * final.c (output_addr_const): Handle TRUNCATE.
2508
2509 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2510
2511         PR target/34711
2512         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2513         (zero_cost, infinite_cost): New constants.
2514         (struct cost_pair): Change type of cost to comp_cost.
2515         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2516         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2517         New functions.
2518         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2519         split_address_cost, ptr_difference_cost, difference_cost,
2520         get_computation_cost_at, get_computation_cost,
2521         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2522         determine_use_iv_cost_condition, determine_use_iv_costs,
2523         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2524         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2525         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2526         Change type of cost to comp_cost.
2527         (determine_iv_cost): Increase cost of non-original ivs, instead
2528         of decreasing the cost of original ones.
2529         (get_address_cost): Indicate the complexity of the addressing mode 
2530         in comp_cost.
2531         (try_add_cand_for): Prefer using ivs not specific to some object.
2532         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2533
2534 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2535             Janis Johnson  <janis187@us.ibm.com>
2536
2537         PR target/34814
2538         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2539         (TARGET_INSTANTIATE_DECLS): Likewise.
2540         * target.h (expand_to_rtl_hook): New target hook.
2541         (instantiate_decls): Likewise.
2542         * function.c (instantiate_decl): Make non-static.  Rename to...
2543         (instantiate_decl_rtl): ... this.
2544         (instantiate_expr): Use instantiate_decl_rtl.
2545         (instantiate_decls_1): Likewise.
2546         (instantiate_decls): Likewise.
2547         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2548         * function.h (instantiate_decl_rtl): Add prototype.
2549         * cfgexpand.c (target.h): New include.
2550         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2551         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2552         (TARGET_INSTANTIATE_DECLS): Likewise.
2553         (TARGET_INITIALIZER): New target hooks added.
2554         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2555         New prototype.
2556         * config/rs6000/rs6000.c (tree-flow.h): New include.
2557         (machine_function): Add sdmode_stack_slot field.
2558         (rs6000_alloc_sdmode_stack_slot): New function.
2559         (rs6000_instantiate_decls): Likewise.
2560         (rs6000_secondary_memory_needed_rtx): Likewise.
2561         (rs6000_check_sdmode): Likewise.
2562         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2563         (TARGET_INSTANTIATE_DECLS): Likewise.
2564         (rs6000_hard_regno_mode_ok): Allow SDmode.
2565         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2566         (rs6000_emit_move): Handle SDmode.
2567         (function_arg_advance): Likewise.
2568         (function_arg): Likewise.
2569         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2570         SDmode var args for 32-bit compiles.
2571         (rs6000_secondary_reload_class): Handle SDmode.
2572         (rs6000_output_function_epilogue): Likewise.
2573         (rs6000_function_value): Simplify if statement.
2574         (rs6000_libcall_value): Likewise.
2575         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2576         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2577         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2578         (movsd_hardfloat): New define_insn.
2579         (movsd_softfloat): Likewise.
2580         (movsd_store): Likewise.
2581         (movsd_load): Likewise.
2582         (extendsddd2): Likewise.
2583         (extendsdtd2): Likewise.
2584         (truncddsd2): Likewise.
2585         (movdd_hardfloat64): Fixup comment.
2586         (UNSPEC_MOVSD_LOAD): New constant.
2587         (UNSPEC_MOVSD_STORE): Likewise.
2588
2589 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2590
2591         PR c++/34965
2592         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2593         TRUTH_XOR_EXPR.
2594         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2595         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2596         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2597         and TRUTH_XOR_EXPR.
2598
2599 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2600
2601         PR target/34794
2602         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2603         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2604         __LONGDOUBLE128 too.
2605         * config/rs6000/aix61.h: New file.
2606
2607 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2608
2609         PR rtl-optimization/34959
2610         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2611         popcount and parity rtxes the same mode as their operand.
2612         Truncate or extend the result to the return value's mode
2613         if necessary.
2614
2615 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2616
2617         PR target/34981
2618         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2619         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2620         to GOT_VERSION_REGNUM.
2621         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2622         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2623         * config/mips/mips.c (mips_emit_call_insn): New function.
2624         (mips_call_tls_get_addr): Call mips_expand_call directly.
2625         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2626         emit_call_insn.
2627         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2628         (mips_expand_call): Update the call to mips16_build_call_stub
2629         accordingly and a remove redundant condition.  Assert that MIPS16
2630         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2631         the call insn.
2632         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2633         TARGET_USE_GOT.
2634         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2635         (mips_avoid_hazard): Remove hazard_set handling.
2636         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2637         (UNSPEC_RESTORE_GP): ...this.
2638         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2639         (FAKE_CALL_REGNO): Rename to...
2640         (GOT_VERSION_REGNUM): ...this.
2641         (type): Add "ghost" value.  Add an associated insn reservation.
2642         (hazard_set): Remove.
2643         (exception_receiver): Rename to...
2644         (restore_gp): ...this and update the unspec identifier accordingly.
2645         (exception_receiver, nonlocal_got_receiver): New expanders.
2646         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2647         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2648         (set_got_version, update_got_version): New patterns.
2649
2650 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2651
2652         PR target/34970
2653         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2654
2655 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2656
2657         PR other/31955
2658         * doc/install.texi2html: Generate gcc-vers.texi.
2659
2660 2008-01-25  DJ Delorie  <dj@redhat.com>
2661
2662         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2663
2664 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2665
2666         * config/c4x: Remove directory.
2667         * config.gcc (crx-*, mt-*): Mark obsolete.
2668         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2669         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2670         sh-*-rtemscoff*): Remove cases.
2671         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2672         * real.c (encode_c4x_single, decode_c4x_single,
2673         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2674         c4x_extended_format): Remove.
2675         * real.h (c4x_single_format, c4x_extended_format): Remove.
2676         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2677         on C4x.
2678         (Pragmas): Remove comment about c4x pragmas.
2679         * doc/install.texi (c4x): Remove target-specific instructions.
2680         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2681         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2682         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2683         refer to C4x source files as examples.
2684         (C4X_FLOAT_FORMAT): Remove documentation.
2685
2686 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2687
2688         * config/bfin/bfin.c (override_options): Reorder tests so that
2689         flag_pic gets enabled for -msep-data.
2690
2691 2008-01-25  Richard Guenther  <rguenther@suse.de>
2692
2693         PR middle-end/32244
2694         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2695         to its bitfield precision if required.
2696
2697 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2698
2699         PR middle-end/33880
2700         * tree-nested.c (walk_omp_for): New function.
2701         (convert_nonlocal_reference, convert_local_reference): Call
2702         walk_omp_for on OMP_FOR.
2703         (convert_call_expr): Call walk_body on OMP_FOR's
2704         OMP_FOR_PRE_INIT_BODY.
2705
2706 2008-01-25  Richard Guenther  <rguenther@suse.de>
2707
2708         PR tree-optimization/34966
2709         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2710         default defs and PHI_NODEs we have to insert after the
2711         defining statement.
2712
2713 2008-01-24  Nick Clifton  <nickc@redhat.com>
2714
2715         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2716         Provide a default definition.
2717         (LIBGCC2_UNITS_PER_WORD): Likewise.
2718
2719         * config/stormy16/stormy16.c: Include df.h for the prototype
2720         for df_regs_ever_live_p.
2721         (xstormy16_expand_builtin_va_start): Convert the stack offset
2722         into a component_ref and then use POINTER_PLUS_EXPR to add it
2723         to the incoming_virtual_args_rtx.
2724         (xstormy16_gimplify_va_arg_expr): Rename to
2725         xstormy16_gimplify_va_arg_expr.
2726         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2727         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2728         xstormy16_gimplify_va_arg_expr.
2729         Fix up some formatting issues.
2730
2731         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2732         Move to predicates.md.
2733         (xs_hi_general_operand): Likewise.
2734         (xs_hi_nonmemory_operand): Likewise.
2735         * config/stormy16/predicates.md:
2736         (xstormy16_carry_plus_operand): New predicate.
2737         (xs_hi_general_operand): New predicate.
2738         (xs_hi_nonmemory_operand): New predicate.
2739         * config/stormy16/stormy16-protos.h:
2740         (xstormy16_carry_plus_operand): Delete prototype.
2741         (xs_hi_general_operand): Likewise.
2742         (xs_hi_nonmemory_operand): Likewise.
2743
2744         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2745         modifiers as they are no longer needed and they can trigger
2746         reload spill failures.
2747
2748         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2749         with a match_operand in order to help reload.
2750
2751         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2752         constraint with 'e' for the 8th alternative as this version of
2753         the mov.w instruction only accepts the lower 8 registers.
2754
2755 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2756
2757         PR target/34856
2758         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2759         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2760         vector elements.
2761
2762 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2763
2764         PR middle-end/33333
2765         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2766
2767 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2768
2769         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2770         New functions.
2771         (remove_structure): Update allocations list before removing structure.
2772         
2773 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2774
2775         * ipa-struct-reorg.c (is_safe_cond_expr, 
2776         create_new_stmts_for_cond_expr): Use integer_zerop function,
2777         that recognize not only zero-pointer, but zero-integer too.
2778
2779 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2780
2781         PR other/22232
2782         * fixproto: Escape "." in sed expression that strips leading "./".
2783
2784 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2785
2786         PR driver/34904
2787         * gcc.c (SWITCH_OK): Removed.
2788         (SWITCH_LIVE): Changed to bit.
2789         (SWITCH_FALSE): Likewise.
2790         (SWITCH_IGNORE): Likewise.
2791         (switchstr): Change live_cond to unsigned int.
2792         (process_command): Replace SWITCH_OK with 0.
2793         (do_self_spec): Likewise.
2794         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2795         (give_switch): Likewise.
2796         (used_arg): Likewise.
2797         (do_spec_1): Set the SWITCH_IGNORE bit.
2798         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2799         bits.  Set the SWITCH_LIVE bit.
2800
2801 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2802
2803         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2804
2805 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2806
2807         PR tree-optimization/34472
2808         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2809         parameter to a "bool *" and set *DATA to false if there is
2810         an unsafe access.  Do not delete the structure here.
2811         (check_cond_exprs): Delete it here instead.
2812         (check_cond_exprs, exclude_cold_structs): Do not increase
2813         I when removing a structure.
2814
2815 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2816
2817         PR target/34856
2818         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2819         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2820
2821 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2822
2823         PR middle-end/34934
2824         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2825         a fixed vector for stack.
2826
2827 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2828
2829         PR c++/25701
2830         * doc/gcc.texi (Software development): Add a direntry for g++.
2831         
2832 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2833
2834         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2835         stale and straggling -fforce-addr comments above.
2836
2837         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2838         define.
2839         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2840         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2841
2842 2008-01-23  Michael Matz  <matz@suse.de>
2843
2844         PR debug/34895
2845         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2846         gen_type_die.
2847
2848 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2849
2850         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2851         malloc result type.
2852
2853 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2854
2855         * config/avr/avr.c (avr_current_arch): New variable.
2856         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2857         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2858         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2859         (avr_override_options): Init 'avr_current_arch'. 
2860         (base_arch_s): Move from here...
2861         * config/avr/avr.h (base_arch_s): ... here. Add new members 
2862         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
2863         'mega' to 'have_jmp_call'.
2864         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
2865         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2866         macros.
2867         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
2868         architectures.
2869         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
2870         MULTILIB_MATCHES): (Ditto.).
2871
2872 2008-01-23  Richard Guenther  <rguenther@suse.de>
2873
2874         PR middle-end/31529
2875         * cgraphunit.c (cgraph_reset_node): Always mark the node
2876         not reachable if it is not queued already.
2877
2878 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2879
2880         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2881         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2882         (cputype_selected): New static variable.
2883         (bfin_handle_option): Set it if -mcpu is used.
2884         (override_option): Select default set of workarounds if no cpu type
2885         selected on the command line.
2886         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2887
2888         From  Michael Frysinger  <michael.frysinger@analog.com>
2889         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2890         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2891
2892         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2893         for bf547, bf523, bf524, and bf526.
2894         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2895         bf526.
2896         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2897         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2898         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2899         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2900         * doc/invoke.texi (Blackfin Options): Document that
2901         -mcpu now accept bf547, bf523, bf524, and bf526.
2902
2903 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2904
2905         PR rtl-optimization/34628
2906         * combine.c (try_combine): Stop and undo after the first combination
2907         if an autoincrement side-effect on the first insn has effectively
2908         been lost.
2909
2910 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2911
2912         PR target/34529
2913         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2914         Offset addresses are not valid for Altivec or paired float modes.
2915
2916 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2917
2918         PR c++/34607
2919         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2920         if DECL_INITIAL (decl) is error_mark_node.
2921
2922         PR c++/34914
2923         * c-common.c (handle_vector_size_attribute): Only allow
2924         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2925         the same way as pointer, array etc. types.
2926         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2927
2928         PR c++/34917
2929         * tree.c (build_type_attribute_qual_variant): Call
2930         build_qualified_type if attributes are equal, but quals are not.
2931
2932 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2933
2934         PR 32102
2935         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2936         * flags.h (warn_strict_aliasing): Remove.
2937         (warn_strict_overflow): Remove.
2938         * opts.c (warn_strict_aliasing): Remove.
2939         (warn_strict_overflow): Remove.
2940         * c-opts.c (c_common_handle_option): -Wall only sets
2941         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2942         (c_common_post_options): Give default values to -Wstrict-aliasing
2943         and -Wstrict-overflow if they are uninitialized.
2944         * common.opt (Wstrict-aliasing): Specify Var and Init.
2945         (Wstrict-overflow): Likewise.
2946
2947 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2948
2949         PR rtl-optimization/26854
2950         PR rtl-optimization/34400
2951         PR rtl-optimization/34884
2952         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2953         DF_RD->gen.
2954         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2955         (df_rd_bb_info.expanded_lr_out): Deleted
2956         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2957         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2958         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2959         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2960         Removed code to allocate, initialize or free expanded_lr_out.
2961         (df_rd_bb_local_compute_process_def): Restructured to make more
2962         understandable.
2963         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2964         sets if the sets are being trimmed.
2965
2966 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2967
2968         PR bootstrap/32287
2969         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2970         (as_vers): Likewise.
2971         * configure: Regenerated.
2972
2973 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2974
2975         PR middle-end/33092
2976         * tree-pass.h (pass_build_alias): New pass.
2977         * tree-ssa-alias.c (gate_build_alias): New.
2978         (pass_build_alias): New.
2979         * passes.c (init_optimization_passes): Add pass_build_alias after
2980         pass_create_structure_vars.
2981
2982 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2983
2984         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2985         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2986         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2987         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2988         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2989         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2990         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2991         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2992         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2993         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2994         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2995         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2996         * config/s390/s390.md (FP_ALL): New mode iterator.
2997         (_d): New mode attribute.
2998         ("*signbit<mode>2>"): Changed mode of first operand.
2999         ("isinf<mode>2"): Changed mode of first operand.
3000         ("*TDC_insn"): Adaptation for DFP modes.
3001
3002 2008-01-22  Ben Elliston  <bje@au.ibm.com>
3003
3004         * tree.c (check_qualified_type): Improve function description.
3005
3006 2008-01-21  Jason Merrill  <jason@redhat.com>
3007
3008         PR c++/34196
3009         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3010         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3011         if it is set.
3012
3013 2008-01-21  DJ Delorie  <dj@redhat.com>
3014
3015         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3016         return zero.
3017
3018 2008-01-21  Richard Guenther  <rguenther@suse.de>
3019
3020         PR middle-end/34856
3021         * tree-cfg.c (verify_expr): Allow all invariant expressions
3022         instead of just constant class ones as reference argument.
3023         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3024         like any other constant.
3025         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3026
3027 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
3028
3029         * regmove.c (fixup_match_1): Update call crossed frequencies.
3030
3031 2008-01-21  Richard Guenther  <rguenther@suse.de>
3032
3033         PR c/34885
3034         * tree-inline.c (setup_one_parameter): Deal with mismatched
3035         types using a VIEW_CONVERT_EXPR.
3036
3037 2008-01-21  Alon Dayan  <alond@il.ibm.com>
3038             Olga Golovanevsky  <olga@il.ibm.com>
3039         
3040         PR tree-optimization/34701
3041         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3042         when the structure size is not a power of 2.
3043
3044 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
3045
3046         * doc/install.texi: Add doc for --enable-checking=df.
3047         
3048 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3049
3050         PR rtl-optimization/34808
3051         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3052
3053 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3054
3055         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3056         input.
3057
3058 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3059
3060         PR rtl-optimization/26854
3061         PR rtl-optimization/34400
3062         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3063         DF_RD->gen.
3064         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3065         (df_rd_bb_info.expanded_lr_out): New.
3066         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3067         * loop_iv.c (iv_analysis_loop_init): Ditto.
3068         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3069         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3070         Added code to allocate, initialize or free expanded_lr_out.
3071         (df_rd_bb_local_compute_process_def): Restructured to make
3072         more understandable.
3073         (df_rd_confluence_n): Add code to do nothing with fake edges and
3074         code to no apply invalidate_by_call sets if the sets are being trimmed.
3075         (df_lr_local_finalize): Renamed to df_lr_finalize.
3076         (df_live_local_finalize): Renamed to df_live_finalize.
3077
3078 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3079
3080         PR target/34831
3081         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3082         deciding whether to use reciprocal instructions.
3083
3084 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3085
3086         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3087         dwarf2out_note_section_used if cold_text_section is NULL.
3088
3089 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3090
3091         PR gcov-profile/34610
3092         * tree-cfg.c (make_edges): Mark both outgoing edges from
3093         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3094         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3095         from OMP_FOR and OMP_CONTINUE outgoing edges.
3096
3097         * tree-profile.c (tree_profiling): Return early if
3098         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3099         at the end.
3100         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3101         from cfun to child_cfun.
3102         * function.h (struct function): Add after_tree_profile bit.
3103
3104 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3105
3106         * config/avr/avr.S (_exit): Disable interrupt.
3107
3108 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3109             Steven Bosscher  <stevenb.gcc@gmail.com>
3110
3111         PR rtl-optimization/26854
3112         PR rtl-optimization/34400
3113         * df-problems.c (df_live_scratch): New scratch bitmap.
3114         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3115         (df_live_reset): Clear the proper bitmaps.
3116         (df_live_bb_local_compute): Only process the artificial defs once
3117         since the order is not important.
3118         (df_live_init): Init the df_live sets only with the variables
3119         found live by df_lr.
3120         (df_live_transfer_function): Use the df_lr sets to prune the
3121         df_live sets as they are being computed.  
3122         (df_live_free): Free df_live_scratch.
3123
3124 2008-01-18  Ian Lance Taylor  <iant@google.com>
3125
3126         * common.opt: Add fmerge-debug-strings.
3127         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3128         flag_merge_debug_strings rather than flag_merge_constants.
3129         * doc/invoke.texi (Option Summary): Mention
3130         -fmerge-debug-strings.
3131         (Debugging Options): Document -fmerge-debug-strings.
3132
3133 2008-01-18  Ian Lance Taylor  <iant@google.com>
3134
3135         PR c++/33407
3136         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3137         (struct tree_function_decl): Add new field operator_new_flag.
3138         * tree-inline.c (expand_call_inline): When inlining a call to
3139         operator new, force the return value to go into a variable, and
3140         set DECL_NO_TBAA_P on that variable.
3141         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3142
3143 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3144
3145         PR debug/34484
3146         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3147         DWARF2_DEBUGGING_INFO.
3148         (dwarf2out_note_section_used): Ditto.  Add prototype.
3149         (have_multiple_function_sections, text_section_used,
3150         cold_text_section_used, *cold_text_sections): Move declarations
3151         before their uses.
3152
3153 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3154
3155         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3156         field and add signal_ra.
3157         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3158         assignments to frame state pc.  Move end of stack check after
3159         MD_FALLBACK_FRAME_STATE_FOR.
3160         (uw_update_context_1): Use frame state signal_regs if set, instead
3161         of checking signal_frame flag.
3162         (uw_update_context): Use frame state signal_ra if set.
3163         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3164         * config/xtensa/linux-unwind.h: New file.
3165
3166 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3167
3168         * modulo-sched.c (get_sched_window): Fix comment typo.
3169
3170 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3171
3172         PR tree-optimization/34648
3173         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3174
3175 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3176
3177         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3178         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3179
3180 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3181
3182         PR rtl-optimization/34400
3183         * df-core.c (df_worklist_dataflow_overeager,
3184         df_worklist_dataflow_doublequeue): New functions.
3185         (df_worklist_dataflow): Two different worklist solvers.
3186         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3187         New param.
3188
3189 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3190
3191         PR testsuite/34821
3192         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3193         and ftree-parallelize-loops.
3194
3195 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3196
3197         PR rtl-optimization/34826
3198         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3199
3200 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3201
3202         * global.c (find_reg): Mark the eh regs as used if necessary.
3203         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3204         * ra.h (struct allocno): no_eh_reg field added.  Changed
3205         no_stack_reg type to bitfield.
3206
3207 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3208
3209         * tree.c (substitute_in_expr): Add missing 'break'.
3210
3211 2008-01-17  Richard Guenther  <rguenther@suse.de>
3212
3213         PR tree-optimization/34825
3214         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3215         x / x as division to handle.
3216
3217 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3218
3219         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3220         "-pthread" is specified.
3221         * pa-hpux11.h (LIB_SPEC): Likewise.
3222
3223 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3224             Peter Bergner  <bergner@vnet.ibm.com>
3225
3226         PR rtl-optimization/33796
3227         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3228
3229 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3230
3231         PR libgfortran/34699
3232         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3233         static links.
3234         * pa-hpux10.h (LINK_SPEC): Likewise.
3235         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3236
3237 2008-01-16  Richard Guenther  <rguenther@suse.de>
3238
3239         PR middle-end/32628
3240         * fold-const.c (fold_convert_const_int_from_int): Do not
3241         set overflow if that occured only because of a sign extension
3242         change when converting from/to a sizetype with the same
3243         precision and signedness.
3244
3245 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3246
3247         PR debug/34249
3248         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3249         location address to the correct place.  Update copyright year.
3250
3251 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3252
3253         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3254         no dependences in the dependence_relations vector.
3255
3256 2008-01-16  Jan Hubicka  <jh@suse.cz>
3257
3258         PR rtl-optimization/31396
3259         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3260         * cfg.c (dump_reg_info): Print it.
3261         * regs.h (struct reg_info_t): add freq_calls_crossed.
3262         (REG_FREQ_CALLS_CROSSED): New macro.
3263         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3264         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3265         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3266         regmove_optimize): Update call crossed frequencies.
3267         * local-alloc.c (struct qty): Add freq_calls_crossed.
3268         (alloc_qty): Copute freq_calls_crossed.
3269         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3270         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3271         * ra.h (struct allocno): Add freq_calls_crossed.
3272
3273 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3274
3275         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3276         libgomp when compiling with ftree-parallelize-loops.
3277         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3278
3279 2008-01-16  Richard Guenther  <rguenther@suse.de>
3280
3281         PR tree-optimization/34769
3282         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3283         * tree.c (int_cst_value): Instead make this function more
3284         permissive in what it accepts as valid input.  Document this
3285         function always sign-extends the value.
3286
3287 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
3288             Richard Guenther  <rguenther@suse.de>
3289
3290         PR c/34668
3291         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3292         (gimple_fold_indirect_ref_rhs): ... this.
3293         (gimple_fold_indirect_ref): New function with foldings
3294         that preserve lvalueness.
3295         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3296         * tree-flow.h (gimple_fold_indirect_ref): Declare.
3297         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3298         to fold an INDIRECT_REF, fall back to the old use of
3299         fold_indirect_ref_1.
3300
3301 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3302
3303         * tree-data-ref.c (subscript_dependence_tester_1): Call 
3304         free_conflict_function.
3305         (compute_self_dependence): Same.
3306
3307 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3308
3309         PR debug/34249
3310         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3311         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
3312         function global.
3313         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3314         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3315         for DWARF2_UNWIND_INFO targets.
3316
3317 2008-01-16  Richard Guenther  <rguenther@suse.de>
3318
3319         PR c/34768
3320         * c-typeck.c (common_pointer_type): Do not merge inconsistent
3321         type qualifiers for function types.
3322
3323 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
3324
3325         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3326         loop_iterator li from previous commit.
3327
3328 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3329
3330         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3331
3332 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3333
3334         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3335         (parallelize_loops): Don't parallelize irreducible components.
3336
3337 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3338
3339         PR c++/24924
3340         * c-opts (c_common_post_options): Do not enable CPP
3341         flag_pedantic_errors by default.
3342         
3343 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
3344
3345         PR rtl-optimization/31944
3346         * cse.c (remove_pseudo_from_table): New function.
3347         (merge_equiv_classes): Use above function to remove pseudo-registers.
3348         (invalidate): Likewise.
3349
3350 2008-01-13  Richard Guenther  <rguenther@suse.de>
3351
3352         PR middle-end/34601
3353         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3354         instead of TYPE_MODE to deal with calls from expand_one_error_var.
3355
3356 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
3357
3358         * gcse.c (cprop_jump): Call validate_unshare_change instead of
3359         validate_change to unshare the source of the PC set.
3360
3361 2008-01-12  Jan Hubicka  <jh@suse.cz>
3362
3363         PR middle-end/32135
3364         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3365         references above array bounds.  This might trigger bounds checks for
3366         pointers to arrays.
3367
3368 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3369
3370         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3371         new_replaceable_dependencies.
3372
3373 2008-01-12  Doug Kwan  <dougkwan@google.com>
3374
3375         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3376         instead of OPT_Wreturn_type in warning due to ignored return type
3377         qualifiers.
3378         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3379         options included in -Wextra.
3380         * c.opt: New option -Wignored_qualifiers.
3381         * doc/invoke.texi (Warning Options, -Wextra): Add new option
3382         -Wignore_qualifiers.
3383         (-Wignored-qualifiers): Document.
3384         (-Wreturn-type): Remove description of functionality now handled
3385         by -Wignored-qualifiers.
3386
3387 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
3388
3389         PR ada/33788
3390         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3391         NOP_EXPR if it is between integral types with the same precision.
3392
3393 2008-01-12  Jan Hubicka  <jh@suse.cz>
3394
3395         PR other/28023
3396         * invoke.texi (max-inline-recursive-depth): Fix default value.
3397
3398 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
3399
3400         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3401         correct type.
3402
3403 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
3404         
3405         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3406         
3407 2008-01-11  James E. Wilson  <wilson@specifix.com>
3408
3409         PR target/26015
3410         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3411
3412 2008-01-11  Anatoly Sokolov <aesok@post.ru>
3413
3414         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
3415         save/restore frame pointer register and don't use 'call-prologues' 
3416         optimization in function with "OS_task" attribute.
3417
3418 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3419
3420         PR middle-end/31309
3421         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3422         when copying to memory.
3423
3424 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
3425
3426         PR rtl-optimization/30905
3427         * cfgcleanup.c: Include dce.h
3428         (crossjumps_occured): New global variable.
3429         (try_crossjump_bb): Exit loop after finding a fallthru edge.
3430         If something changed, set crossjumps_occured to true.
3431         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3432         Don't add/remove fake edges to exit here...
3433         (cleanup_cfg): ...but do it here, when crossjumping.
3434         Run a fast DCE when successful crossjumps occured in the latest
3435         iteration of try_optimize_cfg.
3436
3437 2008-01-11  Richard Guenther  <rguenther@suse.de>
3438
3439         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3440         (struct vn_unary_op_s): Likewise.
3441         (vn_reference_insert): Free old reference on hash collision.
3442
3443 2008-01-10  Raksit Ashok  <raksit@google.com>
3444
3445         PR rtl-optimization/27971
3446         * combine.c (find_split_point): Split PLUS expressions which are
3447         inside a MEM rtx, and whose first operand is complex.
3448
3449 2008-01-10  DJ Delorie  <dj@redhat.com>
3450
3451         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
3452         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
3453         (m32c_hard_regno_ok): Call the underlying function.
3454
3455 2008-01-10  Richard Guenther  <rguenther@suse.de>
3456
3457         PR middle-end/34683
3458         * tree-cfg.c (tree_merge_blocks): Do not go through the
3459         full-blown folding and stmt updating path if we just deal
3460         with virtual operands.
3461         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3462         test for abnormal SSA_NAMEs.
3463
3464 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3465
3466         PR middle-end/34641
3467         * reload.c (push_reload): Add assertions.  All constants from
3468         reg_equiv_constant should have been used for replacing the respective
3469         pseudo earlier.
3470         (find_reloads_address): Invoke find_reloads_address_part for
3471         constant taken from the reg_equiv_constant array.
3472
3473 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>