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2008-03-10 Paul Brook <paul@codesourcery.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-03-10  Paul Brook  <paul@codesourcery.com>
2
3         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
4         to avoid conflicts.
5
6 2008-03-10  Paul Brook  <paul@codesourcery.com>
7         Mark Shinwell  <shinwell@codesourcery.com>
8
9         * config/arm/cortex-r4.md: New.
10         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
11         insn attributes.
12         * config/arm/arm.md: Include cortex-r4.md.
13         (insn): Add smmls, sdiv and udiv values.
14         (generic_sched): Don't use generic scheduling for Cortex-R4.
15         (arm_issue_rate): New function.
16         (TARGET_SCHED_ISSUE_RATE): Define.
17
18 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
19
20         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
21
22 2008-03-10  Richard Guenther  <rguenther@suse.de>
23
24         * tree-ssa-pre.c (get_sccvn_value): Simplify.
25         (compute_avail): Do not add stmt uses to AVAIL_OUT.
26
27 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
28
29         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
30         Set default to true.
31
32 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
33
34         * c.opt (Wsynth): Deprecate.
35         * doc/invoke.texi (Option Summary, Warning Options): Document
36         -Wno-format-contains-nul.
37
38 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
39
40         PR target/35496
41         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
42         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
43
44 2008-03-09  Ira Rosen  <irar@il.ibm.com>
45
46         * config/rs6000/rs6000.c (builtin_description): Rename vector
47         left shift operations.
48         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
49         (altivec_vsl<VI_char>): Rename to ...
50         (ashl<mode>3): ... new name.
51         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
52         gen_ashlv4si3.
53         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
54
55 2008-03-08  Richard Guenther  <rguenther@suse.de>
56
57         * coverage.h (tree_coverage_counter_addr): Declare.
58         * coverage.c (tree_coverage_counter_addr): New function.
59         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
60         before using again.
61         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
62         (tree_gen_one_value_profiler): Likewise.
63         (tree_gen_ic_profiler): Likewise.
64         (tree_gen_average_profiler): Likewise.
65         (tree_gen_ior_profiler): Likewise.
66
67 2008-03-08  Richard Guenther  <rguenther@suse.de>
68
69         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
70         (vn_binary_op_insert): Likewise.
71         (vn_unary_op_lookup): Likewise.
72         (vn_unary_op_insert): Likewise.
73         (vn_nary_op_lookup): Declare.
74         (vn_nary_op_insert): Likewise.
75         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
76         and binary hashes, use a single obstack for unary_op_pool
77         and binary_op_pool.
78         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
79         a single struct vn_nary_op_s.  Store tree code length and
80         a variable number of operands.
81         (struct vn_reference_op_struct): Remove unused op2.
82         (vn_reference_op_eq): Do not compare op2.
83         (vn_reference_op_compute_hash): Do not compute hash of op2.
84         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
85         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
86         with vn_nary_op_compute_hash.
87         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
88         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
89         vn_nary_op_lookup.
90         (vn_unary_op_insert, vn_binary_op_insert): Replace with
91         vn_nary_op_insert.
92         (visit_unary_op): Call nary functions.
93         (visit_binary_op): Likewise.
94         (process_scc): Adjust for struct vn_tables_s changes.
95         (allocate_vn_table): Likewise.
96         (free_vn_table): Likewise.
97         * tree-vn.c (vn_add): Call nary functions.
98         (vn_lookup): Likewise.
99
100 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
101
102         PR target/35498
103         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
104         wdst back after sync_compare_and_swapqhi_internal.
105
106 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
107
108         PR target/22152
109         * config/i386/i386-modes.def (V1DI): New vector mode.
110         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
111         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
112         (MMXMODE248): Ditto.
113         (MMXMODE): Add V1DI mode.
114         (mmxvecsize): Change DI mode to V1DI mode.
115         ("mov<mode>): Use MMXMODEI8 mode iterator.
116         ("*mov<mode>_internal_rex64"): Ditto.
117         ("*mov<mode>_internal"): Ditto.
118         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
119         ("mmx_sub<mode>3"): Ditto.
120         ("mmx_adddi3"): Remove insn pattern.
121         ("mmx_subdi3"): Ditto.
122         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
123         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
124         ("mmx_ashl<mode>3"): Ditto.
125         ("mmx_lshrdi3"): Remove insn pattern.
126         ("mmx_ashldi3"): Ditto.
127         * config/i386/i386.c (classify_argument): Handle V1DImode.
128         (function_arg_advance_32): Ditto.
129         (function_arg_32): Ditto.
130         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
131         mmx_addv1di3 insn pattern.
132         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
133         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
134         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
135         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
136         Remove definitions of built-in functions.
137         (V1DI_type_node): New node.
138         (v1di_ftype_v1di_int): Ditto.
139         (v1di_ftype_v1di_v1di): Ditto.
140         (v2si_ftype_v2si_si): Ditto.
141         (v4hi_ftype_v4hi_di): Remove node.
142         (v2si_ftype_v2si_di): Ditto.
143         (ix86_init_mmx_sse_builtins): Handle V1DImode.
144         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
145         Redefine builtins using def_builtin_const with *_ftype_*_int node.
146         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
147         Add new builtins using def_builtin_const.
148         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
149         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
150         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
151         * config/i386/mmintrin.h (__v1di): New typedef.
152         (_mm_add_si64): Cast arguments to __v1di type.
153         (_mm_sub_si64): Ditto.
154         (_mm_sll_pi16): Cast __count to __v4hi type.
155         (_mm_sll_pi32): Cast __count to __v2si type.
156         (_mm_sll_si64): Cast arguments to __v1di type.
157         (_mm_srl_pi16): Cast __count to __v4hi type.
158         (_mm_srl_pi32): Cast __count to __v2si type.
159         (_mm_srl_si64): Cast arguments to __v1di type.
160         (_mm_sra_pi16): Cast __count to __v4hi type.
161         (_mm_sra_pi32): Cast __count to __v2si type.
162         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
163         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
164         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
165         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
166         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
167         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
168         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
169         (_mm_srai_pi32): Use __builtin_ia32_psradi.
170         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
171         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
172         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
173         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
174
175 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
176
177         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
178
179 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
180
181         PR target/35373
182         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
183         reg+const addressing for Altivec modes.  Don't generate reg+reg
184         addressing for TFmode or TDmode quantities.
185
186 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
187
188         * c-common.c (vector_types_convertible_p): Call langhook
189         instead of comptypes.
190
191 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
192
193         PR tree-opt/35402
194         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
195         integral and scalar float variables which have a
196         NULL DECL_INITIAL.
197
198 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
199
200         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
201         dwarf_register_span hook when emitting unwind information for
202         register-to-memory saves.
203         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
204         (rs6000_frame_related): Remove call to spe_synthesize_frame.
205
206 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
207
208         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
209         for the same VAR_DECL.
210
211 2008-03-06  Tom Tromey  <tromey@redhat.com>
212
213         * treelang: Delete.
214         * doc/standards.texi (Standards): Don't mention treelang.
215         * doc/invoke.texi (Overall Options): Don't mention treelang.
216         * doc/install.texi (Prerequisites): Don't mention bison or
217         treelang.
218         (Configuration): Don't mention treelang.
219         (Building): Likewise.
220         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
221
222 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
223
224         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
225         word-extractions out of a multi-word object.
226
227 2008-03-06  Richard Guenther  <rguenther@suse.de>
228
229         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
230         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
231         result type and precision.
232         * expr.c (get_inner_reference): Set unsignedp based on the result
233         type of BIT_FIELD_REF.
234         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
235         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
236         (try_instantiate_multiple_fields): Likewise.  Use the correct type
237         for BIT_FIELD_REF.
238         (sra_build_assignment): Likewise.
239         (sra_build_elt_assignment): Likewise.
240         (sra_explode_bitfield_assignment): Likewise.
241         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
242         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
243         set BIT_FIELD_REF_UNSIGNED.
244         (vectorizable_load): Likewise.
245
246 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
247
248         * cse.c (cse_extended_basic_block): Invalidate artificial defs
249         at bb start.
250
251 2008-03-06  Richard Guenther  <rguenther@suse.de>
252
253         * alias.c (struct alias_set_entry): Move has_zero_child field
254         to pack with alias_set.
255
256 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
257
258         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
259         32bit host.
260
261 2008-03-05  Ian Lance Taylor  <iant@google.com>
262
263         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
264
265 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
266
267         * fwprop.c (update_df): Support width and offset parameters of
268         df_ref_create.
269         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
270         global_conflicts): Change DF_REF_EXTRACT to either
271         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
272         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
273         * df-scan.c (df_ref_record, df_defs_record,
274         df_ref_create_structure, df_def_record_1, df_uses_record,
275         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
276         df_bb_refs_collect, df_entry_block_defs_collect,
277         df_exit_block_uses_collect): Support new width and offset fields.
278         (ref_extract_pool): New storage pool.
279         (df_free_ref): New function.
280         (df_reg_chain_unlink, df_free_collection_rec,
281         df_sort_and_compress_refs): Call df_free_ref.
282         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
283         of df_ref_extract.
284         (df_ref_create_structure): Allocate df_ref_extract if offset and
285         width fields are used.
286         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
287         (df_uses_record): Get offset and width from ZERO_EXTRACT 
288         and SIGN_EXTRACT.
289         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
290         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
291         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
292         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
293         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
294         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
295         (df_ref_extract): New structure.
296         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
297         (df_ref_create): Add width and offset parameters.
298         
299 2008-03-05  Richard Guenther  <rguenther@suse.de>
300
301         * tree-ssa-structalias.c (get_constraint_for_component_ref):
302         Use ranges_overlap_p.
303         (offset_overlaps_with_access): Rename
304         to ranges_overlap_p and move ...
305         * tree-flow-inline.h (ranges_overlap_p): ... here.
306
307         * tree.h (get_inner_reference, handled_component_p): Update
308         comments.
309
310         * tree.h (record_component_aliases, get_alias_set,
311         alias_sets_conflict_p, alias_sets_must_conflict_p,
312         objects_must_conflict_p): Move declarations ...
313         * alias.h (record_component_aliases, get_alias_set,
314         alias_sets_conflict_p, alias_sets_must_conflict_p,
315         objects_must_conflict_p): ... here.
316         Include coretypes.h.
317         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
318
319 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
320
321         * cfg.c: Include tree-flow.h.
322         (remove_edge_raw): Call redirect_edge_var_map_clear.
323         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
324         * tree-flow-inline.h (redirect_edge_var_map_def): New.
325         (redirect_edge_var_map_result): New.
326         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
327         PENDING_STMT use with redirect_edge_var_map_*.
328         * tree-ssa.c (edge_var_maps): New definition.
329         (redirect_edge_var_map_add): New.
330         (redirect_edge_var_map_clear): New.
331         (redirect_edge_var_map_dup): New.
332         (redirect_edge_var_map_vector): New.
333         (redirect_edge_var_map_destroy): New.
334         (ssa_redirect_edge): Replace PENDING_STMT use with
335         redirect_edge_var_map_*.
336         (flush_pending_stmts): Same.
337         (delete_tree_ssa): Destroy edge var map.
338         * tree-flow.h (struct _edge_var_map): New.
339         Define edge_var_map vector type.
340         Declare redirect_edge_var_map_* prototypes.
341         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
342         * tree-cfg.c (reinstall_phi_args): Replace
343         PENDING_STMT use with redirect_edge_var_map_*.
344
345 2008-03-05  Richard Guenther  <rguenther@suse.de>
346
347         PR tree-optimization/35472
348         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
349         whose single use_stmt has a overlapping set of loaded and
350         stored symbols as that use_stmt might be a noop assignment then.
351
352 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
353
354         * gthr-rtems.h: Implement __gthread_mutex_destroy.
355
356 2008-03-05  Richard Guenther  <rguenther@suse.de>
357
358         PR c++/35336
359         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
360         should be constants.
361         * tree-cfg.c (verify_expr): Verify it.
362         * fold-const.c (fold_truthop): Remove code generating
363         BIT_FIELD_REFs of structure bases.
364         (fold_binary): Likewise.
365         (fold_ternary): Position and size of BIT_FIELD_REFs are
366         always host integers.
367         (make_bit_field_ref): Remove.
368         (optimize_bit_field_compare): Remove.
369         (all_ones_mask_p): Remove.
370
371 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
372
373         PR gcc/33009
374         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
375         (split_block_and_df_analyze): New. Split basic block and rebuild
376         dataflow.
377         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
378         SPLIT_BLOCK.
379         (split_pattern_seq): Likewise.
380         (erase_matching_seqs): Likewise.
381         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
382
383 2008-03-04  Geoff Keating  <geoffk@apple.com>
384
385         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
386         declaration and code.
387         (tree_invalid_nonnegative_warnv_p): Likewise.
388
389 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
390
391         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
392         examples.  Truncate option-names then causing overfull hbox.
393
394 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
395
396         PR target/35222
397         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
398         on hpux10.
399         * configure: Rebuilt.
400
401 2008-03-04  Rafael Espindola  <espindola@google.com>
402
403         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
404         (tree_unary_nonnegative_warnv_p): New.
405         (tree_binary_nonnegative_warnv_p): New.
406         (tree_single_nonnegative_warnv_p): New.
407         (tree_invalid_nonnegative_warnv_p): New.
408         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
409
410 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
411
412         PR 28322
413         * opts.c (handle_option): Postpone 'unknown option' errors only for
414         warning options.
415
416 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
417
418         PR target/35453
419         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
420         (_SIDD_XXX): This.
421
422 2008-03-04  Rafael Espindola  <espindola@google.com>
423
424         * fold-const.c (tree_unary_nonzero_warnv_p): New.
425         (tree_binary_nonzero_warnv_p): New.
426         (tree_single_nonzero_warnv_p): New.
427         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
428
429 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
430
431         PR middle-end/35456
432         * fold-const.c (fold_cond_expr_with_comparison): Prevent
433         transformations for modes that have signed zeros.
434         * ifcvt.c (noce_try_abs): Ditto.
435
436 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
437
438         * config/i386/i386.c (override_options): Force
439         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
440
441 2008-03-04  Jan Hubicka  <jh@suse.cz>
442
443         PR c++/35262
444         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
445         in last commit.
446
447 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
448
449         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
450         label to probe the stack.
451
452 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
453
454         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
455         (__gthr_win32_mutex_destroy): Declare.
456         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
457         __gthr_win32_mutex_destroy.
458         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
459
460 2008-03-03  Jan Hubicka  <jh@suse.cz>
461
462         PR c++/35262
463         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
464         aggressive on inlining cold calls.
465
466 2008-03-03  Richard Guenther  <rguenther@suse.de>
467
468         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
469         struct copies into the expression table.
470         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
471         (try_to_simplify): Likewise.
472         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
473         integral and pointer arguments which do not change the
474         precision to NOP_EXPRs.
475         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
476         VIEW_CONVERT_EXPR case.
477
478 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
479
480         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
481         defined in a loop at depth 0 is invariant.
482         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
483         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
484         be called at loop depth 0.
485
486 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
487
488         PR driver/35420
489         * gcc.c (process_command): Update copyright notice dates.
490         * gcov.c (print_version): Likewise.
491         * gcov-dump.c (print_version): Likewise.
492         * mips-tfile.c (main): Likewise.
493         * mips-tdump.c (main): Likewise.
494
495 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
496
497         PR 24924
498         * c-common.c (flag_permissive): Delete.
499         (constant_expression_warnings): Check flags first.
500         (constant_expression_error): New.
501         * c-common.h (flag_permissive): Delete.
502         (constant_expression_error): Declare.
503         * flags.h (flag_permissive): Declare. Update description.
504         * diagnostic.c (pedwarn): Update.
505         (permerror): New.
506         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
507         (permissive_error_kind): New.
508         * toplev.c (flag_permissive): Define. Update description.
509         * toplev.h (permissive_error_kind): Declare.
510         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
511         (pedwarn_c90): Use pedantic_warning_kind.
512         * c-opts.c (c_common_post_options): flag_permissive does not affect
513         flag_pedantic_errors.
514
515 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
516
517         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
518         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
519         __absvsi2, __absvDI2): Use unsigned arithmetic.
520
521 2008-03-02  Andi Kleen  <ak@suse.de>
522         Richard Guenther  <rguenther@suse.de>
523
524         * struct-equiv.c: Remove file.
525         * cfg_cleanup.c (condjump_equiv_p): Remove.
526         * Makefile.in (OBJS-common): Remove struct-equiv.o.
527         (struct-equiv.o): Remove rule.
528         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
529         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
530         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
531
532 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
533
534         * ifcvt.c (noce_process_if_block): Try to handle only the then
535         block if the else block exists but isn't suitable.
536
537 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
538
539         PR gcc/35063
540         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
541         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
542         regression from previous patch.
543
544 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
545
546         PR gcc/35063
547         * gthr.h: Add __gthread_mutex_destroy as a function that must be
548         implemented.
549         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
550         * gthr-single.h (__gthread_mutex_destroy): Likewise.
551         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
552         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
553         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
554         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
555         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
556         (__gthread_mutex_destroy_function): Rename to
557         __gthread_mutex_destroy.
558         * gthr-dce.h (__gthread_mutex_destroy): Call
559         pthread_mutex_destroy.
560         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
561         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
562         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
563
564 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
565
566         * df-scan.c (df_ref_chain_change_bb): Simplify.
567         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
568         set_block_for_insn if there's any change.
569         * df.h ((df_insn_change_bb): Fix prototype.
570         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
571         df_insn_change_bb, don't call set_block_for_insn.
572         * emit-rtl.c (reorder_insns): Likewise.
573         * haifa-sched.c (move_insn): Likewise.
574
575 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
576
577         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
578
579 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
580
581         * tree-flow-inline.h (next_readonly_imm_use): Return
582         NULL_USE_OPERAND_P after the end.
583
584 2008-03-01  Richard Guenther  <rguenther@suse.de>
585
586         PR tree-optimization/35411
587         * tree-sra.c (sra_build_assignment): Split conversion to
588         final type to a separate statement if we are not assigning
589         to a register.
590
591 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
592
593         * fold-const.c (fold_convertible_p): Correct the logic to follow
594         that in fold_convert().
595
596 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
597
598         PR c++/35315
599         * tree-inline.c (build_duplicate_type): When we make a
600         duplicate type, make it unique in the canonical types system.
601
602 2008-02-29  Tom Tromey  <tromey@redhat.com>
603
604         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
605         input_file_stack_history, input_file_stack_restored): Remove.
606         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
607         * input.h (struct file_stack): Remove.
608         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
609         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
610         Likewise.
611         * diagnostic.h (struct diagnostic_context) <last_module>: Change
612         type.
613         (diagnostic_last_module_changed): Add 'map' argument.
614         (diagnostic_set_last_function): Likewise.
615         * diagnostic.c (undiagnostic_report_current_module): Iterate using
616         line map, not input_file_stack.
617         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
618
619 2008-02-29  Paul Brook  <paul@codesourcery.com>
620
621         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
622
623 2008-02-29  Paul Brook  <paul@codesourcery.com>
624
625         * config/arm/ieee754-df.S (muldf3): Use RET macros.
626
627 2008-02-29  Richard Guenther  <rguenther@suse.de>
628
629         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
630         vn_lookup_or_add.
631         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
632         value for comparing for a store match.
633         (simplify_unary_expression): Do nothing for SSA_NAMEs.
634         (try_to_simplify): Do not do a full-blown reference lookup.
635
636 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
637
638         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
639         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
640
641         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
642
643 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
644
645         * tree-loop-linear.c (try_interchange_loops): Compare memory access
646         strides against cache sizes.
647
648 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
649
650         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
651         constant to fpul.
652
653 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
654
655         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
656         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
657         is smaller than the original promoted value.
658         (simplify_subreg): If OP is a SUBREG, try to preserve its
659         SUBREG_PROMOTED_VAR_P information.
660
661 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
662
663         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
664         (VN_INFO_GET): Allocate new objects on the obstack.
665         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
666         for rpo_numbers_temp, for consistency.
667         (free_scc_vn): Free the obstack.
668
669 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
670
671         * doc/invoke.texi: Document -ftree-loop-distribution.
672         * tree-loop-distribution.c: New.
673         * tree-pass.h (pass_loop_distribution): New.
674         * graphds.h (struct graph): Add htab_t indices.
675         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
676         * tree-vectorizer.c (rename_variables_in_loop): Extern.
677         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
678         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
679         * tree-data-ref.c (debug_data_dependence_relations): New.
680         (dump_data_dependence_relation): Also print data references.
681         (free_data_ref): Extern.
682         (same_access_functions): Moved...
683         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
684         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
685         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
686         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
687         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
688         (stmts_from_loop): Skip LABEL_EXPR.
689         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
690         New.
691         (build_rdg): Initialize rdg->indices htab.
692         (free_rdg, stores_from_loop, ref_base_address,
693         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
694         have_similar_memory_accesses_1, ref_base_address_1,
695         remove_similar_memory_refs): New.
696         * tree-data-ref.h: Depend on tree-chrec.h.
697         (debug_data_dependence_relations, free_data_ref): Declared.
698         (same_access_functions): ... here.
699         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
700         New.
701         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
702         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
703         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
704         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
705         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
706         rdg_vertex_for_stmt): Declared.
707         (struct rdg_edge): Add level.
708         (RDGE_LEVEL): New.
709         (free_rdg, stores_from_loop, remove_similar_memory_refs,
710         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
711         Declared.
712         (rdg_has_similar_memory_accesses): New.
713         * tree-vect-analyze.c: Remove unused static decls.
714         * lambda.h (dependence_level): New.
715         * common.opt (ftree-loop-distribution): New.
716         * tree-flow.h (mark_virtual_ops_in_bb, 
717         slpeel_tree_duplicate_loop_to_edge_cfg,
718         rename_variables_in_loop): Declared.
719         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
720         (OBJS-common): Add tree-loop-distribution.o.
721         (tree-loop-distribution.o): New rule.
722         * tree-cfg.c (mark_virtual_ops_in_bb): New.
723         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
724         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
725
726 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
727
728         PR target/33963
729         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
730         other than structures and unions.
731
732 2008-02-28  Richard Guenther  <rguenther@suse.de>
733
734         Revert:
735         2008-02-26  Richard Guenther  <rguenther@suse.de>
736
737         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
738         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
739         (lookup_decl_from_uid): Declare.
740         (remove_decl_from_map): Likewise.
741         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
742         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
743         (decl_for_uid_map): New global hashtable mapping DECL_UID
744         to the decl tree.
745         (init_ttree): Allocate it.
746         (insert_decl_to_uid_decl_map): New helper function.
747         (make_node_stat): Insert new decls into the map.
748         (copy_node_stat): Likewise.
749         (lookup_decl_from_uid): New function.
750         (remove_decl_from_map): Likewise.
751         (print_decl_for_uid_map_statistics): New helper.
752         (dump_tree_statistics): Call it.
753
754         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
755         (referenced_var_iterator): Adjust.
756         (FOR_EACH_REFERENCED_VAR): Adjust.
757         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
758         (num_referenced_vars): Adjust.
759         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
760         (first_referenced_var): Remove.
761         (end_referenced_vars_p): Likewise.
762         (next_referenced_var): Likewise.
763         (referenced_var_iterator_set): New helper function.
764         * tree-dfa.c (referenced_var_lookup): Adjust.
765         (referenced_var_check_and_insert): Likewise.
766         (remove_referenced_var): Likewise.
767         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
768         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
769         (verify_call_clobbering): Likewise.
770         (verify_memory_partitions): Likewise.
771         (init_tree_ssa): Allocate bitmap instead of hashtable for
772         referenced_vars.
773         (delete_tree_ssa): Adjust.
774         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
775         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
776         (compute_tag_properties): Likewise.
777         (set_initial_properties): Likewise.
778         (find_partition_for): Likewise.
779         (update_reference_counts): Likewise.
780         (dump_may_aliases_for): Likewise.
781         * tree-ssa-operands.c (add_virtual_operand): Likewise.
782         (add_call_clobber_ops): Likewise.
783         (add_call_read_ops): Likewise.
784         (get_asm_expr_operands): Likewise.
785         * tree-into-ssa.c (dump_decl_set): Likewise.
786         (update_ssa): Likewise.
787         * tree-sra.c (scan_function): Likewise.
788         (decide_instantiations): Likewise.
789         (scalarize_parms): Likewise.
790         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
791         (dsa_named_for): Likewise.
792         * tree-ssa-structalias.c (update_alias_info): Likewise.
793         (merge_smts_into): Likewise.
794
795 2008-02-27  David Daney  <ddaney@avtrex.com>
796
797         PR target/34409
798         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
799         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
800         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
801         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
802         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
803
804 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
805
806         PR target/25477
807         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
808         (BUILT_IN_NEXTTOWARD): Remove.
809         (BUILT_IN_NEXTTOWARDF): Ditto.
810         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
811         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
812
813 2008-02-27  Tom Tromey  <tromey@redhat.com>
814
815         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
816         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
817
818 2008-02-27  Jan Beulich  <jbeulich@novell.com>
819
820         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
821         update the respective field on newdecl.
822
823 2008-02-27  Revital Eres  <eres@il.ibm.com>
824
825         PR rtl-optimization/34999
826         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
827         crossing edges that ends with a call insn.
828         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
829         call insn and clear the EDGE_CROSSING flag of the crossing edge
830         when fixing fallthru edges.
831
832 2008-02-27  Richard Guenther  <rguenther@suse.de>
833
834         PR middle-end/35390
835         * fold-const.c (fold_unary): Return the correct argument,
836         converted to the result type.
837
838 2008-02-27  Richard Guenther  <rguenther@suse.de>
839
840         PR middle-end/34971
841         * expr.c (expand_expr_real_1): Assert on rotates that operate
842         on partial modes.
843         * fold-const.c (fold_binary): Use the types precision, not the
844         bitsize of the mode if folding rotate expressions.  Build rotates
845         only for full modes.
846
847 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
848
849         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
850         and CPP_PRAGMA_EOL.
851         * c-pragma.c (pragma_ns_name): New typedef.
852         (registered_pp_pragmas): New variable.
853         (c_pp_lookup_pragma): New function.
854         (c_register_pragma_1): If flag_preprocess_only, do nothing
855         for non-expanded pragmas, for expanded ones push pragma's
856         namespace and name into registered_pp_pragmas vector.
857         (c_invoke_pragma_handler): Register OpenMP pragmas even when
858         flag_preprocess_only, don't register GCC pch_preprocess
859         pragma if flag_preprocess_only.
860         * c-opts.c (c_common_init): Call init_pragma even if
861         flag_preprocess_only.
862         * c-pragma.c (c_pp_lookup_pragma): New prototype.
863         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
864         cpp_register_pragma if flag_preprocess_only.
865
866 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
867
868         PR c/28800
869         * c-parser.c (c_parser_translation_unit): Warn for empty
870         translation unit, not empty source file.
871
872 2008-02-26  Paul Brook  <paul@codesourcery.com>
873
874         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
875         operand for Thumb-2.
876         * config/arm/arm.h (reg_class): Add CORE_REGS.
877         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
878         (BASE_REG_CLASS): Use CORE_REGS.
879         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
880         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
881         (REGNO_OK_FOR_INDEX_P): Exclude SP.
882         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
883         ARM_REGNO_OK_FOR_INDEX_P.
884         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
885         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
886         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
887         (ldm/stm peepholes): Ditto.
888         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
889         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
890         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
891         * config/arm/constraints.md: Enable "k" constraint on ARM.
892
893 2008-02-27  Ben Elliston  <bje@au.ibm.com>
894
895         * config/rs6000/rs6000.c: Annotate cache line size field in all
896         instances of struct processor_costs.
897
898 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
899
900         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
901         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
902         jump_bypass): New counters.
903         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
904         * dce.c (gate_ud_dce): Same.
905         (gate_fast_dce): Same.
906         * dse.c (gate_dse1): New function.
907         (gate_dse2): New function.
908         (gate_dse): Merge results of new gate functions.
909         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
910         (gate_handle_jump_bypass): Add dbg_cnt.
911         (gate_handle_gcse): Add dbg_cnt.
912         * ifcvt.c (gate_handle_if_conversion): Same.
913         (gate_handle_if_after_combine): Same.
914         (gate_handle_if_after_reload): Same.
915         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
916
917 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
918
919         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
920         line sizes.
921         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
922
923 2008-02-26  Jason Merrill  <jason@redhat.com>
924
925         PR c++/35315
926         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
927         alone if it's the naming decl for the type's main variant.
928
929 2008-02-26  Tom Tromey  <tromey@redhat.com>
930
931         * system.h (USE_MAPPED_LOCATION): Poison.
932         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
933         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
934         (make_goto_expr_edges): Likewise.
935         (remove_bb): Likewise.
936         (execute_warn_function_return): Likewise.
937         * basic-block.h (struct edge_def) <goto_locus>: Change type to
938         location_t.
939         * c-common.c (fname_decl): Remove old location code.
940         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
941         location code.
942         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
943         variant.
944         (ASM_INPUT_SOURCE_LOCATION): Likewise.
945         (gen_rtx_ASM_INPUT): Likewise.
946         (gen_rtx_ASM_INPUT_loc): Likewise.
947         (get_rtx_asm_OPERANDS): Remove.
948         * cfglayout.c (insn_locators_alloc): Remove old location code.
949         (set_curr_insn_source_location): Likewise.
950         (curr_insn_locator): Likewise.
951         * print-tree.c (print_node): Remove old location code.
952         * tree-mudflap.c (mf_varname_tree): Remove old location code.
953         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
954         * cfgexpand.c (expand_gimple_cond_expr): Don't use
955         location_from_locus.
956         (construct_exit_block): Remove old location code.
957         * emit-rtl.c (force_next_line_note): Remove old location code.
958         * profile.c (branch_prob): Remove old location code.
959         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
960         LOC_LINE): Remove old-location variants.
961         * langhooks.c (lhd_print_error_function): Remove old location
962         code.
963         * configure, config.in: Rebuilt.
964         * configure.ac (--enable-mapped-location): Remove.
965         * c-decl.c (c_init_decl_processing): Remove old location code.
966         (finish_function): Likewise.
967         * recog.c (decode_asm_operands): Remove old location code.
968         * c-pch.c (c_common_read_pch): Remove old location code.
969         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
970         variants.
971         * gimple-low.c (lower_function_body): Remove old location code.
972         * toplev.c (unknown_location): Remove.
973         (push_srcloc): Remove old-location variant.
974         (process_options): Remove old location code.
975         (lang_dependent_init): Likewise.
976         * input.h (UNKNOWN_LOCATION): Move definition.
977         (location_t): Undeprecate.
978         (source_locus): Remove.
979         (location_from_locus): Remove.
980         (struct location_s): Remove.
981         Remove all old-location code.
982         (input_line, input_filename): Remove.
983         * final.c (final_scan_insn): Remove old location code.
984         * diagnostic.c (diagnostic_build_prefix): Remove
985         USE_MAPPED_LOCATION test.
986         * tree.h (gimple_stmt) <locus>: Now a location_t.
987         (tree_exp) <locus>: Likewise.
988         (DECL_IS_BUILTIN): Remove old-location variant.
989         (annotate_with_file_line, annotate_with_locus): Likewise.
990         (expr_locus, set_expr_locus): Update.
991         * tree.c (build1_stat): Remove old location code.
992         (last_annotated_node): Remove.
993         (annotate_with_file_line): Remove old-location variant.
994         (annotate_with_locus): Likewise.
995         (expr_location): Remove old location code.
996         (set_expr_location): Likewise.
997         (expr_has_location): Likewise.
998         (expr_locus): Likewise.
999         (set_expr_locus): Likewise.
1000         (expr_filename): Don't use location_from_locus.
1001         (expr_lineno): Likewise.
1002         * rtl-error.c (location_for_asm): Remove old location code.
1003         * c-lex.c (cb_line_change): Remove old location code.
1004         (fe_file_change): Likewise.
1005         (cb_def_pragma): Likewise.
1006         (c_lex_with_flags): Likewise.
1007         * gengtype.c (do_typedef): Don't special-case location types.
1008         (define_location_structures): Remove.
1009         (main): Don't call define_location_structures.
1010         * tree-pretty-print.c (dump_implicit_edges): Remove old location
1011         code.
1012
1013 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1014
1015         PR 26264
1016         * builtins.def (BUILT_IN_STDARG_START): Remove.
1017         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1018         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1019         * tree-inline.c (inline_forbidden_p_1): Likewise.
1020         
1021 2008-02-26  Richard Guenther  <rguenther@suse.de>
1022
1023         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1024         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1025         (lookup_decl_from_uid): Declare.
1026         (remove_decl_from_map): Likewise.
1027         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1028         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1029         (decl_for_uid_map): New global hashtable mapping DECL_UID
1030         to the decl tree.
1031         (init_ttree): Allocate it.
1032         (insert_decl_to_uid_decl_map): New helper function.
1033         (make_node_stat): Insert new decls into the map.
1034         (copy_node_stat): Likewise.
1035         (lookup_decl_from_uid): New function.
1036         (remove_decl_from_map): Likewise.
1037         (print_decl_for_uid_map_statistics): New helper.
1038         (dump_tree_statistics): Call it.
1039
1040         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1041         (referenced_var_iterator): Adjust.
1042         (FOR_EACH_REFERENCED_VAR): Adjust.
1043         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1044         (num_referenced_vars): Adjust.
1045         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1046         (first_referenced_var): Remove.
1047         (end_referenced_vars_p): Likewise.
1048         (next_referenced_var): Likewise.
1049         (referenced_var_iterator_set): New helper function.
1050         * tree-dfa.c (referenced_var_lookup): Adjust.
1051         (referenced_var_check_and_insert): Likewise.
1052         (remove_referenced_var): Likewise.
1053         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1054         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1055         (verify_call_clobbering): Likewise.
1056         (verify_memory_partitions): Likewise.
1057         (init_tree_ssa): Allocate bitmap instead of hashtable for
1058         referenced_vars.
1059         (delete_tree_ssa): Adjust.
1060         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1061         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1062         (compute_tag_properties): Likewise.
1063         (set_initial_properties): Likewise.
1064         (find_partition_for): Likewise.
1065         (update_reference_counts): Likewise.
1066         (dump_may_aliases_for): Likewise.
1067         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1068         (add_call_clobber_ops): Likewise.
1069         (add_call_read_ops): Likewise.
1070         (get_asm_expr_operands): Likewise.
1071         * tree-into-ssa.c (dump_decl_set): Likewise.
1072         (update_ssa): Likewise.
1073         * tree-sra.c (scan_function): Likewise.
1074         (decide_instantiations): Likewise.
1075         (scalarize_parms): Likewise.
1076         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1077         (dsa_named_for): Likewise.
1078         * tree-ssa-structalias.c (update_alias_info): Likewise.
1079         (merge_smts_into): Likewise.
1080
1081 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1082
1083         PR 34351
1084         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1085         * c-opts.c (c_common_handle_option): Wall enables
1086         Wvolatile-register-var.
1087         * common.opt: Move Wvolatile-register-var to...
1088         * c.opt: ...here.
1089         
1090 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1091
1092         * common.opt (Wlarger-than=): New.
1093         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1094         -Wlarger-than=.
1095         * opts.c (common_handle_option): Handle -Wlarger-than=.
1096         * optc-gen.awk: Likewise.
1097         * opth-gen.awk: Likewise.
1098         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1099         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1100         
1101 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1102
1103         * c-common.c (match_case_to_enum_1): Add appropriate
1104         OPT_W* parameter to warning.
1105         (c_do_switch_warnings): Likewise.
1106         * c-typeck.c (warning_init): Add one more parameter following
1107         'warning' function.
1108         (push_init_level): Update call to warning_init.
1109         (pop_init_level): Likewise.
1110         (add_pending_init): Likewise.
1111         (output_init_element: Likewise.
1112
1113 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1114
1115         PR 28322
1116         * toplev.c (toplev_main): If there are warnings or error, print
1117         errors for ignored options.
1118         * opts.c (ignored_options): New static variable.
1119         (postpone_unknown_option_error): New.
1120         (print_ignored_options): New.
1121         (handle_option): Postpone errors for unknown -Wno-* options.
1122         * opts.h (print_ignored_options): Declare.
1123         
1124 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1125
1126         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1127         to "ghost".
1128
1129 2008-02-25  Richard Guenther  <rguenther@suse.de>
1130
1131         Revert:
1132         2008-02-25  Richard Guenther  <rguenther@suse.de>
1133
1134         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1135         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1136         (lookup_decl_from_uid): Declare.
1137         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1138         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1139         (decl_for_uid_map): New global hashtable mapping DECL_UID
1140         to the decl tree.
1141         (init_ttree): Allocate it.
1142         (insert_decl_to_uid_decl_map): New helper function.
1143         (make_node_stat): Insert new decls into the map.
1144         (copy_node_stat): Likewise.
1145         (lookup_decl_from_uid): New function.
1146         (print_decl_for_uid_map_statistics): New helper.
1147         (dump_tree_statistics): Call it.
1148
1149         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1150         (referenced_var_iterator): Adjust.
1151         (FOR_EACH_REFERENCED_VAR): Adjust.
1152         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1153         (num_referenced_vars): Adjust.
1154         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1155         (first_referenced_var): Remove.
1156         (end_referenced_vars_p): Likewise.
1157         (next_referenced_var): Likewise.
1158         (referenced_var_iterator_set): New helper function.
1159         * tree-dfa.c (referenced_var_lookup): Adjust.
1160         (referenced_var_check_and_insert): Likewise.
1161         (remove_referenced_var): Likewise.
1162         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1163         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1164         (verify_call_clobbering): Likewise.
1165         (verify_memory_partitions): Likewise.
1166         (init_tree_ssa): Allocate bitmap instead of hashtable for
1167         referenced_vars.
1168         (delete_tree_ssa): Adjust.
1169         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1170         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1171         (compute_tag_properties): Likewise.
1172         (set_initial_properties): Likewise.
1173         (find_partition_for): Likewise.
1174         (update_reference_counts): Likewise.
1175         (dump_may_aliases_for): Likewise.
1176         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1177         (add_call_clobber_ops): Likewise.
1178         (add_call_read_ops): Likewise.
1179         (get_asm_expr_operands): Likewise.
1180         * tree-into-ssa.c (dump_decl_set): Likewise.
1181         (update_ssa): Likewise.
1182         * tree-sra.c (scan_function): Likewise.
1183         (decide_instantiations): Likewise.
1184         (scalarize_parms): Likewise.
1185         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1186         (dsa_named_for): Likewise.
1187         * tree-ssa-structalias.c (update_alias_info): Likewise.
1188         (merge_smts_into): Likewise.
1189
1190 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1191
1192         PR fortran/29549
1193         * doc/invoke.texi (-fcx-limited-range): Document new option.
1194         * toplev.c (process_options): Handle -fcx-fortran-rules.
1195         * common.opt: Add documentation for -fcx-fortran-rules.
1196
1197 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1198
1199         PR c/35162
1200         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1201         actual behaviour and C99.
1202         
1203 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1204
1205         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1206         (ASM_CPU_POWER6_SPEC): Likewise.
1207         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1208         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1209         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1210
1211 2008-02-25  Richard Guenther  <rguenther@suse.de>
1212
1213         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1214         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1215         (lookup_decl_from_uid): Declare.
1216         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1217         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1218         (decl_for_uid_map): New global hashtable mapping DECL_UID
1219         to the decl tree.
1220         (init_ttree): Allocate it.
1221         (insert_decl_to_uid_decl_map): New helper function.
1222         (make_node_stat): Insert new decls into the map.
1223         (copy_node_stat): Likewise.
1224         (lookup_decl_from_uid): New function.
1225         (print_decl_for_uid_map_statistics): New helper.
1226         (dump_tree_statistics): Call it.
1227
1228         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1229         (referenced_var_iterator): Adjust.
1230         (FOR_EACH_REFERENCED_VAR): Adjust.
1231         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1232         (num_referenced_vars): Adjust.
1233         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1234         (first_referenced_var): Remove.
1235         (end_referenced_vars_p): Likewise.
1236         (next_referenced_var): Likewise.
1237         (referenced_var_iterator_set): New helper function.
1238         * tree-dfa.c (referenced_var_lookup): Adjust.
1239         (referenced_var_check_and_insert): Likewise.
1240         (remove_referenced_var): Likewise.
1241         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1242         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1243         (verify_call_clobbering): Likewise.
1244         (verify_memory_partitions): Likewise.
1245         (init_tree_ssa): Allocate bitmap instead of hashtable for
1246         referenced_vars.
1247         (delete_tree_ssa): Adjust.
1248         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1249         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1250         (compute_tag_properties): Likewise.
1251         (set_initial_properties): Likewise.
1252         (find_partition_for): Likewise.
1253         (update_reference_counts): Likewise.
1254         (dump_may_aliases_for): Likewise.
1255         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1256         (add_call_clobber_ops): Likewise.
1257         (add_call_read_ops): Likewise.
1258         (get_asm_expr_operands): Likewise.
1259         * tree-into-ssa.c (dump_decl_set): Likewise.
1260         (update_ssa): Likewise.
1261         * tree-sra.c (scan_function): Likewise.
1262         (decide_instantiations): Likewise.
1263         (scalarize_parms): Likewise.
1264         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1265         (dsa_named_for): Likewise.
1266         * tree-ssa-structalias.c (update_alias_info): Likewise.
1267         (merge_smts_into): Likewise.
1268
1269 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1270
1271         PR target/35258
1272         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1273         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1274         * alias.h (nonoverlapping_memrefs_p): Likewise.
1275
1276 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1277
1278         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1279         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1280         __emultls_get_address, __emultls_register_common,
1281         __floatundi?f, and _Unwind_GetIPInfo.
1282         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1283         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1284         (gen_regparm_prefix): Likewise.
1285         (i386_nlm_encode_section_info): Sync with
1286         config/i386/winnt.c:i386_pe_encode_section_info().
1287         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1288         i386_nlm_mangle_decl_assembler_name): New.
1289         (netware_override_options): New.
1290         * config/i386/netware.h (netware_override_options): Declare.
1291         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1292         (i386_nlm_mangle_decl_assembler_name): Declare.
1293         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1294
1295 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1296
1297         PR other/32948
1298         * c-decl.c (grokdeclarator): Remove unused local variables
1299         `typedef_type' and `type_as_written'.
1300         * bb-reorder.c
1301         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1302         unused local variable `has_hot_blocks'.
1303         (fix_crossing_conditional_branches): Remove unused local variable
1304         `prev_bb'.
1305         
1306 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1307
1308         PR middle-end/19984
1309         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1310         using DEF_C99_BUILTIN.
1311         (BUILT_IN_NANF): Ditto.
1312         (BUILT_IN_NANL): Ditto.
1313
1314 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1315             Revital Eres  <eres@il.ibm.com>
1316
1317         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1318         regarding the order of two dependent insns in the same row.
1319
1320 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1321
1322         * stor-layout.c (layout_decl): Do not bump the alignment of a
1323         bit-field to more than byte alignment if it is packed.
1324
1325 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1326
1327         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1328         e300c2 and e300c3.
1329
1330 2008-02-24  Diego Novillo  <dnovillo@google.com>
1331
1332         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1333
1334         PR 33738
1335         * tree-vrp.c (vrp_evaluate_conditional): With
1336         -Wtype-limits, emit a warning when comparing against a
1337         constant outside the natural range of OP0's type.
1338         * c.opt (Wtype-limits): Move ...
1339         * common.opt (Wtype-limits): ... here.
1340
1341 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1342
1343         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1344         * config/rs6000/e300c2c3.md: New file.
1345         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1346         e300c2 and e300c3.
1347         (rs6000_override_options): Add e300c2 and e300c3 cases to
1348         processor_target_table. Do not allow usage of Altivec or Spe
1349         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1350         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1351         * config/rs6000/rs6000.h (processor_type): Add
1352         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1353         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1354         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1355         and ppce300c3. Include e300c2c3.md.
1356
1357 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1358
1359         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1360         instead of TARGET_STRICT_ALIGN.
1361
1362 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1363
1364         * explow.c (memory_address): Assert that the generated address is
1365         valid.
1366
1367 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1368
1369         PR target/25477
1370         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1371         * config/darwin-ppc-ldouble-patch.def: New file.
1372         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1373         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1374         SUBTARGET_INIT_BUILTINS if defined.
1375         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1376         New functions.
1377
1378 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1379
1380         PR rtl-opt/33512
1381         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1382         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1383
1384 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1385
1386         PR pch/35027
1387         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1388         file" warning condtional on -Winvalid-PCH.
1389
1390 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1391
1392         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1393
1394 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1395
1396         PR target/22076
1397         PR target/34256 
1398         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1399         prevent reload from using MMX registers.
1400         (*mov<mode>_internal): Ditto.
1401         (*movv2sf_internal_rex64): Ditto.
1402         (*movv2sf_internal): Ditto.
1403
1404 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1405
1406         PR documentation/31569
1407         * doc/install.texi2html: Use makeinfo --no-number-sections.
1408
1409 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1410
1411         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1412         ensure that we can address an entire entity > 8 bytes.  Don't
1413         generate reg+reg addressing for such data.
1414
1415 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1416
1417         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1418         strings when optimizing for size, unless the target cares about
1419         alignment.
1420
1421 2008-02-22  Tom Tromey  <tromey@redhat.com>
1422
1423         * regclass.c (current_pass): Remove declaration.
1424
1425 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1426
1427         * config/avr/libgcc.S (__RAMPZ__): Define.
1428         (__do_copy_data): Add for devices with 128KB code memory.
1429
1430 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1431
1432         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1433         Use spe_abi.
1434         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1435
1436 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1437
1438         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1439         GENNONACR_REGS.
1440
1441 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1442
1443         PR c/19999
1444         * c-typeck.c (build_binary_op): Warn about floating point
1445         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1446
1447 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1448
1449         PR target/34526
1450         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1451         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1452         add vrsave.
1453         (rs6000_override_options): Set altivec_abi as default, not override,
1454         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1455         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1456         is used; use new member spe_abi.
1457         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1458         spe_abi and altivec_abi.
1459
1460 2008-02-22  Tomas Bily  <tbily@suse.cz>
1461
1462         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1463
1464 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1465
1466         PR bootstrap/35273
1467         * config.build (build_file_translate): Set to `CMD //c' only if
1468         it works.
1469         * Makefile.in (build_file_translate): Improve comment.
1470
1471 2008-02-21  Jan Hubicka  <jh@suse.cz>
1472
1473         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1474         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1475         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1476
1477 2008-02-21  Michael Matz  <matz@suse.de>
1478
1479         PR target/35264
1480         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1481
1482 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1483
1484         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1485         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1486         as insn constraint.
1487         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1488         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1489         SSE_VEC_FLOAT_MODE_P as insn constraint.
1490         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1491         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1492         sse4a_movntdf using MODEF mode iterator.
1493         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1494         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1495         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1496         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1497         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1498         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1499         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1500
1501 2008-02-21  Richard Guenther  <rguenther@suse.de>
1502
1503         * tree.def (PAREN_EXPR): New tree code.
1504         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1505         and PAREN_EXPR.
1506         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1507         * expr.c (expand_expr_real_1): Likewise.
1508         * tree-inline.c (estimate_num_insns_1): Likewise.
1509         * tree-complex.c (expand_complex_move): Likewise.
1510         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1511         as plain x.
1512
1513 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1514
1515         PR target/35225
1516         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1517
1518 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1519
1520         PR target/35190
1521         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1522
1523         * config/sh/sh.c (find_barrier): Don't go past
1524         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1525
1526 2008-02-20  DJ Delorie  <dj@redhat.com>
1527
1528         * config/h8300/h8300.md (insv): Force source operand to be a register.
1529
1530         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1531         as a jump, not as a plain insn.
1532         
1533 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1534
1535         * doc/invoke.texi (Warning Options): Add new option
1536         -Wframe-larger-than=.
1537         (-Wframe-larger-than): Document.
1538
1539         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1540         Add declarations for new option variables.
1541
1542         * final.c (final_start_function): Check the frame size
1543         before emission and issue a Wframe-larger-than warning.
1544
1545         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1546         Add definitions for new option variables.
1547         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1548
1549         * common.opt (Wframe-larger-than=): New option.
1550
1551 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1552
1553         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1554         (<sse>_div<mode>3): Ditto.
1555         (<sse>_vmdiv<mode>3): Ditto.
1556         (<sse>_vmsqrt<mode>2): Ditto.
1557         (*smax<mode>3): Ditto.
1558         (sse5_frcz<mode>2): Ditto.
1559         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1560         as insn constraint.
1561
1562 2008-02-20  Richard Guenther  <rguenther@suse.de>
1563
1564         PR middle-end/35265
1565         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1566         be happy with INTEGRAL_TYPE_P.
1567
1568 2008-02-20  Richard Guenther  <rguenther@suse.de>
1569
1570         * fold-const.c (split_tree): Associate floatig-point expressions
1571         if flag_associative_math is set.
1572
1573 2008-02-20  Richard Guenther  <rguenther@suse.de>
1574
1575         * tree.h (fold_real_zero_addition_p): Declare.
1576         * fold-const.c (fold_real_zero_addition_p): Export.
1577         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1578         floating-point operations with zero and one.
1579
1580 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1581
1582         * doc/install.texi: Correct references to CFLAGS, replacing them
1583         with BOOT_CFLAGS.  Document flags used during bootstrap for
1584         target libraries.
1585                                 
1586 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1587
1588         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1589         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1590         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1591         insn constraint.
1592         (smin<mode>3): Ditto from similar patterns.
1593         (smax<mode>3): Ditto.
1594         (*ieee_smin<mode>3): Ditto.
1595         (*ieee_smax<mode>3): Ditto.
1596         * config/i386/sse.md (sse): New mode attribute.
1597         (mov<mode>): Macroize expander from movv4sf and movv2df using
1598         SSEMODEF2P mode iterator.
1599         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1600         SSE_VEC_FLOAT_MODE_P as insn constraint.
1601         (storent<mode>): Ditto.
1602         (storent<mode>): Macroize expander from storentsf and storentdf using
1603         MODEF mode iterator.
1604         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1605         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1606         (abs<mode>2): Ditto from similar patterns.
1607         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1608         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1609         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1610         (<sse>_vmsqrt<mode>2): Ditto.
1611         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1612         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1613         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1614         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1615         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1616         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1617         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1618         insn constraint.
1619         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1620         iterator and SSE_FLOAT_MODE_P as insn constraint.
1621         (<sse>_ucomi): Ditto from similar patterns.
1622         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1623         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1624         SSE_VEC_FLOAT_MODE_P as insn constraint.
1625         (vcond<mode>): Ditto from similar patterns.
1626         (and<mode>3, *and<mode>3): Ditto.
1627         (<sse>_nand<mode>3): Ditto.
1628         (ior<mode>3, *ior<mode>3): Ditto.
1629         (xor<mode>3, *xor<mode>3): Ditto.
1630         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1631         iterator and SSE_FLOAT_MODE_P as insn constraint.
1632         (*nand<mode>3): Ditto from similar patterns.
1633         (*ior<mode>3): Ditto.
1634         (*xor<mode>3): Ditto.
1635
1636 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1637
1638         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1639         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1640         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1641
1642 2008-02-19  Jan Hubicka  <jh@suse.cz>
1643
1644         * predict.c (tree_bb_level_predictions): Remove variable next
1645         mistakely introduced by previous commit.
1646
1647 2008-02-19  Jan Hubicka  <jh@suse.cz>
1648
1649         * predict.c (predict_paths_leading_to): Rewrite.
1650         (predict_paths_for_bb): New.
1651         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1652
1653 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1654
1655         PR bootstrap/35218
1656         * Makefile.in (build_file_translate): New.
1657         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1658         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1659         * configure.ac (build_file_translate): Substitute it.
1660         * configure: Regenerate.
1661
1662 2008-02-19  Jan Hubicka  <jh@suse.cz>
1663
1664         PR rtl-optimization/34408
1665         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1666         invalid sharing.
1667
1668 2008-02-19  Jan Hubicka  <jh@suse.cz>
1669
1670         PR middle-end/28779
1671         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1672         call_expr.
1673
1674 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1675
1676         PR Ada/35186
1677         * config/i386/i386-modes.def: Revert the last DI alignment
1678         change until Ada people can look into it.
1679
1680 2008-02-19  Nick Clifton  <nickc@redhat.com>
1681
1682         * opts.c (print_specific_help): Fix typo in --help text.
1683
1684 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1685
1686         PR target/35239
1687         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1688         32-bit inline asm without asm alternatives for host GCC < 3.0.
1689
1690 2008-02-19  Richard Guenther  <rguenther@suse.de>
1691
1692         PR tree-optimization/34989
1693         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1694         Allow propagation to INDIRECT_REF if we can simplify only.
1695
1696 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1697
1698         * c-common.c (warn_for_collisions_1): Use appropriate option when
1699         warning.
1700
1701 2008-02-19  Nick Clifton  <nickc@redhat.com>
1702
1703         PR other/31349
1704         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1705         (handle_options): Fix indentation.
1706         (print_filtered_help): If no language-specific options were
1707         displayed tell the user how to list all the options supported by
1708         the language's front-end.
1709         (print_specific_help): Fix indentation and remove duplicate line.
1710         (common_handle_option): Handle the -v option.
1711         For --help enable the display of undocumented options if the -v
1712         switch has been included on the command line.
1713         For --help= check for overlaps in the arguments between the option
1714         classes and the language names and issue a warning when they
1715         cannot be disambiguated.
1716         * c.opt (v): Pass on to the common option handler.
1717
1718 2008-02-19  Revital Eres  <eres@il.ibm.com> 
1719
1720         * modulo-sched.c (sms_schedule): Change dump message when
1721         create_ddg function fails.
1722         (try_scheduling_node_in_cycle): Rename row to cycle.
1723         (print_partial_schedule): Rename CYCLE to ROW.
1724
1725 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1726             Zdenek Dvorak  <ook@ucw.cz>
1727
1728         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1729
1730 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1731
1732         PR target/33555
1733         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1734         (*x86_movdicc_0_m1_se): Ditto.
1735
1736 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1737
1738         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1739         (CMPtype): Define as __gcc_CMPtype.
1740         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1741         (CMPtype): Define as __gcc_CMPtype.
1742
1743 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1744
1745         Support valgrind 3.3 for --enable-checking=valgrind.
1746         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1747         here.
1748         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1749         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1750         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1751         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1752         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1753         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1754         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1755         respectively.
1756         * ggc-zone.c: Similar.
1757         * ggc-page.c: Similar.
1758
1759 2008-02-19  Paul Brook  <paul@codesourcery.com>
1760
1761         PR target/35071
1762         * config/arm/ieee754-df.S: Fix do_it typo.
1763         * config/arm/ieee754-sf.S: Fix do_it typo.
1764
1765 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1766
1767         PR target/35189
1768         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1769         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1770         (OPTION_MASK_ISA_SSE_SET): Likewise.
1771         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1772         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1773         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1774         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1775         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1776         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1777         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1778         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1779         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1780         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1781         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1782         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1783         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1784         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1785         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1786         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1787         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1788         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1789         (OPTION_MASK_ISA_SSE4): Removed.
1790         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1791         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
1792         (override_options): Don't turn on implied SSE/MMX bits in
1793         ix86_isa_flags.
1794
1795 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1796
1797         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1798         32bit host.
1799
1800 2008-02-18  Joey Ye  <joey.ye@intel.com>
1801
1802         PR middle-end/34921
1803         * tree-nested.c (insert_field_into_struct): Set type alignment
1804         to field alignment if the former is less than the latter.
1805
1806 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1807
1808         * BASE-VER: Set to 4.4.0.
1809
1810 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1811
1812         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1813         * doc/cfg.texi: Likewise.
1814         * doc/extend.texi: Likewise.
1815         * doc/gty.texi: Likewise.
1816         * doc/invoke.texi: Likewise.
1817         * doc/loop.texi: Likewise.
1818         * doc/md.texi: Likewise.
1819         * doc/passes.texi: Likewise.
1820         * doc/rtl.texi: Likewise.
1821         * doc/sourcebuild.texi: Likewise.
1822         * doc/tm.texi: Likewise.
1823         * doc/tree-ssa.texi: Likewise.
1824
1825 2008-02-17  Richard Guenther  <rguenther@suse.de>
1826
1827         PR middle-end/35227
1828         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1829         without default definition.
1830
1831 2008-02-17  Richard Guenther  <rguenther@suse.de>
1832
1833         PR tree-optimization/35231
1834         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1835         if A | B != 1.
1836
1837 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1838
1839         Revert:
1840
1841         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
1842         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1843         libgcc_cmp_return mode.
1844
1845 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1846
1847         PR c/28368
1848         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1849
1850 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1851
1852         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1853         multilibs.
1854
1855 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1856
1857         * doc/c-tree.texi: Use `@.' where appropriate.
1858         * doc/extend.texi: Likewise.
1859         * doc/install.texi: Likewise.
1860         * doc/invoke.texi: Likewise.
1861         * doc/loop.texi: Likewise.
1862         * doc/makefile.texi: Likewise.
1863         * doc/md.texi: Likewise.
1864         * doc/passes.texi: Likewise.
1865         * doc/standards.texi: Likewise.
1866         * doc/tm.texi: Likewise.
1867
1868 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1869
1870         PR middle-end/35196
1871         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1872         in entry_bb.
1873         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1874         rather than in entry_bb.
1875
1876 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1877
1878         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1879         libgcc_cmp_return mode.
1880
1881 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1882
1883         PR middle-end/35130
1884         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1885         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1886
1887 2008-02-15  Richard Guenther  <rguenther@suse.de>
1888             Zdenek Dvorak  <ook@ucw.cz>
1889
1890         PR tree-optimization/35164
1891         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1892         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1893         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1894         Only propagate addresses which do not have abnormal SSA_NAMEs
1895         in their operands.
1896
1897 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1898
1899         PR target/35088
1900         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1901
1902 2008-02-15  Jan Hubicka  <jh@suse.cz>
1903
1904         PR middle-end/35149
1905         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1906
1907 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1908
1909         PR middle-end/34621
1910         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1911         when calculating alignment_pad.
1912
1913 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1914
1915         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1916         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1917         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1918         and STACK_BOUNDARY define.
1919
1920 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1921
1922         PR preprocessor/35061
1923         * c-pragma.c (handle_pragma_pop_macro): Check that
1924         pushed_macro_table has been allocated.
1925
1926 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1927
1928         PR middle-end/35136
1929         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1930         (force_gimple_operand): Likewise.
1931         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1932         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1933         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1934         (find_interesting_uses_address): Check addressability and alignment
1935         of the base expression only after substituting bases of IVs into it.
1936
1937 2008-02-14  Michael Matz  <matz@suse.de>
1938
1939         PR target/34930
1940         * function.c (instantiate_virtual_regs_in_insn): Reload address
1941         before falling back to reloading the whole operand.
1942
1943 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1944
1945         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1946         before the first section switch note.
1947
1948 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1949
1950         * doc/bugreport.texi: Update copyright years.
1951         * doc/c-tree.texi: Likewise.
1952         * doc/cfg.texi: Likewise.
1953         * doc/cpp.texi: Likewise.
1954         * doc/cppinternals.texi: Likewise.
1955         * doc/fragments.texi: Likewise.
1956         * doc/frontends.texi: Likewise.
1957         * doc/gcc.texi: Likewise.
1958         * doc/gty.texi: Likewise.
1959         * doc/hostconfig.texi: Likewise.
1960         * doc/implement-c.texi: Likewise.
1961         * doc/libgcc.texi: Likewise.
1962         * doc/loop.texi: Likewise.
1963         * doc/makefile.texi: Likewise.
1964         * doc/options.texi: Likewise.
1965         * doc/passes.texi: Likewise.
1966         * doc/rtl.texi: Likewise.
1967         * doc/sourcebuild.texi: Likewise.
1968         * doc/standards.texi: Likewise.
1969         * doc/tree-ssa.texi: Likewise.
1970         * doc/trouble.texi: Likewise.
1971
1972         * doc/extend.texi: Use @: or add comma where appropriate.
1973         * doc/invoke.texi: Likewise.
1974         * doc/tm.texi: Likewise.
1975
1976 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1977
1978         PR target/34393
1979         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1980         to a reg.
1981
1982 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1983
1984         * doc/md.texi (clz, ctz): Add reference.
1985         * doc/rtl.texi (clz, ctz): Likewise.
1986
1987 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1988
1989         PR other/35148
1990         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1991         srcdir.
1992
1993 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1994
1995         * config/s390/s390.c (struct constant_pool): New field
1996         emit_pool_after added.
1997         (s390_mainpool_start): Set the emit_pool_after flag according
1998         to the section switch notes.
1999         (s390_mainpool_finish): Consider emit_pool_after when emitting
2000         the literal pool at the end of the function.
2001         (s390_chunkify_start): Force literal pool splits at section
2002         switch notes.
2003
2004 2008-02-13  Michael Matz  <matz@suse.de>
2005
2006         PR debug/35065
2007         * var-tracking.c (clobber_variable_part): Correctly traverse the
2008         list.
2009
2010 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2011
2012         PR 29673
2013         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2014         Add -fdump-ipa-inline.
2015         * tree-dump.c (dump_files): Remove tree-inlined dump.
2016         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2017         
2018 2008-02-12  Richard Guenther  <rguenther@suse.de>
2019
2020         PR tree-optimization/35171
2021         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2022         default defs.
2023
2024 2008-02-12  Richard Guenther  <rguenther@suse.de>
2025
2026         PR middle-end/35163
2027         * fold-const.c (fold_widened_comparison): Use get_unwidened in
2028         value-preserving mode.  Disallow final truncation.
2029
2030 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2031
2032         PR middle-end/35136
2033         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2034         code from here to...
2035         (force_gimple_operand): ...here.
2036
2037 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2038
2039         PR c++/35144
2040         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2041         non-compatible pointers.
2042         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2043         different FIELD_DECLs, try harder by comparing field offsets, sizes
2044         and types.
2045
2046         PR inline-asm/35160
2047         * function.c (match_asm_constraints_1): Don't replace the same input
2048         multiple times.
2049
2050 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2051
2052         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2053         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2054         (expand_epilogue): Restore RAMPZ register.
2055         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2056
2057 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2058
2059         * config/i386/cygwin.asm: (__alloca): Correct calling
2060         convention and alignment.
2061         (__chkstk): Force 8 byte stack alignment.
2062
2063 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2064             Richard Guenther  <rguenther@suse.de>
2065
2066         PR tree-optimization/33992
2067         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2068         the zero we compare against.
2069
2070 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2071
2072         PR libfortran/35063
2073         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2074         to CloseHandle after unlocking to prevent accumulation of handle
2075         count.
2076
2077 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2078
2079         PR middle_end/34150
2080         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2081         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2082         and update LABEL_NUSES during and after reload.
2083
2084 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2085
2086         PR middle-end/34627
2087         * combine.c (simplify_if_then_else): Make sure the comparison is
2088         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2089
2090 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2091
2092         PR bootstrap/35051
2093         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2094         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2095         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2096         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2097         * tree.h (get_type_static_bounds): Likewise.
2098
2099 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2100
2101         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2102         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2103         Make -Wfoo language annotations match what the compiler outputs.
2104
2105 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2106
2107         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
2108         intrinsics spu_convts, spu_convtu, spu_convtf.
2109         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2110
2111 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2112
2113         * doc/extend.texi (Function Attributes) <noinline>: Mention
2114         asm ("") as method to keep calls.
2115
2116 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2117
2118         PR other/32754
2119         * doc/options.texi (Options): Replace references to opts.sh with
2120         optc-gen.awk.
2121         * opts-common.c: Likewise.
2122         * optc-gen.awk: Likewise.
2123         
2124 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2125
2126         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2127
2128 2008-02-07  Richard Henderson  <rth@redhat.com>
2129
2130         PR rtl-opt/33410
2131         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2132         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
2133         funny mode.
2134
2135 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2136
2137         PR tree-optimization/35085
2138         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2139         for operand entry oe2 in addition to operand entry oe3 in order to
2140         expose more opportunities for vectorizer sum reduction.
2141
2142 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2143
2144         PR other/35107
2145         * Makefile.in (LIBS): Remove $(GMPLIBS).
2146         (cc1-dummy, cc1): Add $(GMPLIBS).
2147
2148 2008-02-06  Jan Hubicka  <jh@suse.cz>
2149
2150         PR target/23322
2151         * i386.md (moddf_integer): Do not produce partial memory stalls for
2152         targets where it hurts.
2153
2154 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2155
2156         PR target/35083
2157         * optabs.c (expand_float): Do not check for decimal modes when
2158         expanding unsigned integer through signed conversion.
2159
2160 2008-02-06  Nick Clifton  <nickc@redhat.com>
2161
2162         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2163         inside the clobber with a match_operand and duplicated operand
2164         number in the constraint.
2165         (ineqbranchsi): Delete redundant comment.
2166
2167 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2168
2169         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
2170         builtin_define ("__USE_INIT_FINI__").
2171         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2172         -msx multilibs.
2173         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2174
2175 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2176
2177         PR documentation/30330
2178         * doc/invoke.texi (C++ Dialect Options)
2179         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2180         For each warning option -Wfoo that allows -Wno-foo, ensure both
2181         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2182         entry of -Wswitch-default, index -Wnormalized= including the
2183         `=', and -Wlarger-than-@var{len} including @var{len}.
2184
2185 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2186
2187         * config/i386/i386.md (floatunssisf2): Use
2188         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2189         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2190         Macroize expander using MODEF mode iterator.
2191
2192 2008-02-05  Diego Novillo  <dnovillo@google.com>
2193
2194         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2195
2196         PR 33738
2197         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2198
2199 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2200
2201         PR other/35070
2202         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2203
2204 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2205
2206         PR target/35084
2207         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2208         to indicate if a message should be generated.
2209         (init_cumulative_args): Updated.
2210         (function_value_32): Likewise.
2211
2212 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2213
2214         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2215
2216 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2217
2218         PR target/35083
2219         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2220         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2221
2222 2008-02-04  Diego Novillo  <dnovillo@google.com>
2223
2224         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2225
2226         PR 33738
2227         * tree-vrp.c (vrp_evaluate_conditional): With
2228         -Wtype-limits, emit a warning when comparing against a
2229         constant outside the natural range of OP0's type.
2230
2231 2008-02-04  Richard Guenther  <rguenther@suse.de>
2232
2233         PR middle-end/33631
2234         * expr.c (count_type_elements): Give for unions instead of
2235         guessing.
2236
2237 2008-02-04  Richard Guenther  <rguenther@suse.de>
2238
2239         PR middle-end/35043
2240         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2241         to TYPE_DOMAINs base type instead of using bitsizetype here.
2242
2243 2008-02-03  Jason Merrill  <jason@redhat.com>
2244
2245         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2246
2247 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2248
2249         PR other/29972
2250         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2251         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2252         (RS/6000 and PowerPC Options): Fix typos and markup.
2253         * doc/passes.texi (Tree-SSA passes): Likewise.
2254
2255 2008-02-02  Michael Matz  <matz@suse.de>
2256
2257         PR target/35045
2258         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2259         from record_last_reg_set_info.
2260         (record_last_reg_set_info): Take an RTX argument, iterate over all
2261         constituent hardregs.
2262         (record_last_set_info, record_opr_changes): Change calls to
2263         new signature or to record_last_reg_set_info_regno.
2264
2265 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2266
2267         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2268
2269 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2270
2271         PR rtl-optimization/34773
2272         * reg-notes.def (EQUAL): Mention significance of combination of
2273         REG_EQUAL and REG_RETVAL.
2274         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2275         insn that has a REG_RETVAL.
2276
2277 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2278
2279         PR bootstrap/33781
2280         * configure.ac (--enable-fixed-point): Disable unless explicitly
2281         requested on IRIX.
2282         * configure: Regenerate.
2283
2284 2008-02-01  Richard Guenther  <rguenther@suse.de>
2285
2286         PR other/35042
2287         * invoke.texi (-finline-limit): Remove no longer true parts
2288         of the documentation.  Note that there is no default value.
2289
2290 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2291             Mark Mitchell  <mark@codesourcery.com>
2292             Ben Elliston  <bje@au.ibm.com>
2293
2294         PR c/29326
2295         * doc/extend.texi (Other Builtins): Document.
2296
2297 2008-01-31  Tom Browder <tom.browder@gmail.com>
2298
2299         * doc/c-tree.texi (Types): Fix grammar.
2300         (Expression trees): Ditto.
2301         * doc/passes.texi (Tree-SSA passes): Ditto.
2302         
2303         * doc/configterms.texi (Configure Terms): Fix typo.
2304         * doc/cpp.texi (Common Predefined Macros): Ditto.
2305         * doc/md.texi (Machine Constraints): Ditto.
2306         
2307         * doc/makefile.texi (Makefile): Add comma.
2308
2309 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2310             Gerald Pfeifer  <gerald@pfeifer.com>
2311         
2312         * doc/sourcebuild.texi (Front End): Remove references to CVS
2313         and CVSROOT/modules.
2314         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2315         (Back End): Remove reference to CVS.
2316
2317 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2318
2319         PR target/34900
2320         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2321         comment from...
2322         (mips16_gp_pseudo_reg): ...here.
2323         * config/mips/mips.md (load_const_gp): Replace with...
2324         (load_const_gp_<mode>): ...this :P-based insn.
2325
2326 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2327
2328         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2329         options. Minor fixes.
2330         (-std): Move reference to standards closer to where language
2331         standards are first mentioned.
2332         
2333 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2334
2335         PR rtl-optimization/34995
2336         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2337         parameter and return a bool.  If the rtx parameter is nonnull,
2338         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2339         (find_reloads): Update call accordingly.  Pass the new operand
2340         if it needed no address reloads, otherwise pass null.
2341
2342 2008-01-30  Richard Henderson  <rth@redhat.com>
2343
2344         PR c/34993
2345         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2346         for unbounded arrays.
2347
2348 2008-01-30  Silvius Rus  <rus@google.com>
2349
2350         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2351
2352 2008-01-30  Jan Hubicka  <jh@suse.cz>
2353
2354         PR target/34982
2355         * i386.c (init_cumulative_args): Use real function declaration when
2356         calling locally.
2357
2358 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2359
2360         PR rtl-optimization/34998
2361         * global.c (build_insn_chain): Treat non-subreg_lowpart
2362         SUBREGs of pseudos as clobbering all the words covered by the
2363         SUBREG, not just all the bytes.
2364         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2365         original df_ref rather than an extract parameter.
2366         (global_conflicts): Update call accordingly.
2367
2368 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2369
2370         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2371         the overflow check to make it easier to read.
2372         (__fixtfdi): Change the type of the ll member in union
2373         long_double to UDItype_x.
2374
2375 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2376
2377         PR middle-end/34969
2378         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2379         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2380         * tree-inline.c (fold_marked_statements): Call
2381         cgraph_update_edges_for_call_stmt if folding a call statement.
2382         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2383         debug_generic_stmt calls, reset it back afterwards.
2384
2385         PR c/35017
2386         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2387         static decls.
2388         * c-typeck.c (build_external_ref): Don't pedwarn about
2389         static vars in current function's scope.
2390
2391 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2392
2393         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2394
2395 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2396
2397         PR c/35002
2398         * ipa-struct-reorg.c: Fix spelling.
2399         * params.def: Ditto.
2400
2401 2008-01-29  Richard Guenther  <rguenther@suse.de>
2402
2403         PR middle-end/35006
2404         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2405         field.
2406         * tree-inline.c (remap_type): Increment remapping_type_depth
2407         around remapping types.
2408         (copy_body_r): Only add referenced variables if they are referenced
2409         from code, not types.
2410
2411 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2412
2413         PR c++/34055
2414         PR c++/34103
2415         PR c++/34219
2416         PR c++/34606
2417         PR c++/34753
2418         PR c++/34754
2419         PR c++/34755
2420         PR c++/34919
2421         PR c++/34961
2422         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2423         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2424
2425 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2426
2427         PR target/34412
2428         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
2429         pointer for tiny stack.
2430
2431 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2432
2433         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2434
2435 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2436
2437         * config/vx-common.h: Fix typo in comment.
2438
2439 2008-01-28  Ian Lance Taylor  <iant@google.com>
2440
2441         PR c++/34862
2442         PR c++/33407
2443         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2444         coalesce pointers if they have different DECL_NO_TBAA_P values.
2445         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2446         between variables with different DECL_NO_TBAA_P values.
2447
2448 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2449
2450         PR 31535
2451         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2452         are not legitimate small data references on SPE targets.
2453
2454 2008-01-28  David Daney  <ddaney@avtrex.com>
2455
2456         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2457
2458 2008-01-28  David Daney  <ddaney@avtrex.com>
2459
2460         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2461
2462 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2463
2464         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2465         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2466         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2467         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2468         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2469         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2470         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2471         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2472
2473 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2474
2475         * basic-block.h (condjump_equiv_p): Fix comment.
2476
2477 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2478
2479         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2480         print_generic_stmt_indented): Fix comment.
2481
2482 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2483
2484         * configure.ac (__stack_chk_fail): Add detecion for availability
2485         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2486         * configure: Regenerate.
2487
2488 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2489
2490         PR middle-end/34688
2491         * final.c (output_addr_const): Handle TRUNCATE.
2492
2493 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2494
2495         PR target/34711
2496         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2497         (zero_cost, infinite_cost): New constants.
2498         (struct cost_pair): Change type of cost to comp_cost.
2499         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2500         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2501         New functions.
2502         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2503         split_address_cost, ptr_difference_cost, difference_cost,
2504         get_computation_cost_at, get_computation_cost,
2505         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2506         determine_use_iv_cost_condition, determine_use_iv_costs,
2507         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2508         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2509         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2510         Change type of cost to comp_cost.
2511         (determine_iv_cost): Increase cost of non-original ivs, instead
2512         of decreasing the cost of original ones.
2513         (get_address_cost): Indicate the complexity of the addressing mode 
2514         in comp_cost.
2515         (try_add_cand_for): Prefer using ivs not specific to some object.
2516         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2517
2518 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2519             Janis Johnson  <janis187@us.ibm.com>
2520
2521         PR target/34814
2522         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2523         (TARGET_INSTANTIATE_DECLS): Likewise.
2524         * target.h (expand_to_rtl_hook): New target hook.
2525         (instantiate_decls): Likewise.
2526         * function.c (instantiate_decl): Make non-static.  Rename to...
2527         (instantiate_decl_rtl): ... this.
2528         (instantiate_expr): Use instantiate_decl_rtl.
2529         (instantiate_decls_1): Likewise.
2530         (instantiate_decls): Likewise.
2531         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2532         * function.h (instantiate_decl_rtl): Add prototype.
2533         * cfgexpand.c (target.h): New include.
2534         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2535         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2536         (TARGET_INSTANTIATE_DECLS): Likewise.
2537         (TARGET_INITIALIZER): New target hooks added.
2538         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2539         New prototype.
2540         * config/rs6000/rs6000.c (tree-flow.h): New include.
2541         (machine_function): Add sdmode_stack_slot field.
2542         (rs6000_alloc_sdmode_stack_slot): New function.
2543         (rs6000_instantiate_decls): Likewise.
2544         (rs6000_secondary_memory_needed_rtx): Likewise.
2545         (rs6000_check_sdmode): Likewise.
2546         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2547         (TARGET_INSTANTIATE_DECLS): Likewise.
2548         (rs6000_hard_regno_mode_ok): Allow SDmode.
2549         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2550         (rs6000_emit_move): Handle SDmode.
2551         (function_arg_advance): Likewise.
2552         (function_arg): Likewise.
2553         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2554         SDmode var args for 32-bit compiles.
2555         (rs6000_secondary_reload_class): Handle SDmode.
2556         (rs6000_output_function_epilogue): Likewise.
2557         (rs6000_function_value): Simplify if statement.
2558         (rs6000_libcall_value): Likewise.
2559         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2560         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2561         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2562         (movsd_hardfloat): New define_insn.
2563         (movsd_softfloat): Likewise.
2564         (movsd_store): Likewise.
2565         (movsd_load): Likewise.
2566         (extendsddd2): Likewise.
2567         (extendsdtd2): Likewise.
2568         (truncddsd2): Likewise.
2569         (movdd_hardfloat64): Fixup comment.
2570         (UNSPEC_MOVSD_LOAD): New constant.
2571         (UNSPEC_MOVSD_STORE): Likewise.
2572
2573 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2574
2575         PR c++/34965
2576         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2577         TRUTH_XOR_EXPR.
2578         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2579         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2580         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2581         and TRUTH_XOR_EXPR.
2582
2583 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2584
2585         PR target/34794
2586         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2587         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2588         __LONGDOUBLE128 too.
2589         * config/rs6000/aix61.h: New file.
2590
2591 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2592
2593         PR rtl-optimization/34959
2594         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2595         popcount and parity rtxes the same mode as their operand.
2596         Truncate or extend the result to the return value's mode
2597         if necessary.
2598
2599 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2600
2601         PR target/34981
2602         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2603         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2604         to GOT_VERSION_REGNUM.
2605         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2606         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2607         * config/mips/mips.c (mips_emit_call_insn): New function.
2608         (mips_call_tls_get_addr): Call mips_expand_call directly.
2609         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2610         emit_call_insn.
2611         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2612         (mips_expand_call): Update the call to mips16_build_call_stub
2613         accordingly and a remove redundant condition.  Assert that MIPS16
2614         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2615         the call insn.
2616         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2617         TARGET_USE_GOT.
2618         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2619         (mips_avoid_hazard): Remove hazard_set handling.
2620         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2621         (UNSPEC_RESTORE_GP): ...this.
2622         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2623         (FAKE_CALL_REGNO): Rename to...
2624         (GOT_VERSION_REGNUM): ...this.
2625         (type): Add "ghost" value.  Add an associated insn reservation.
2626         (hazard_set): Remove.
2627         (exception_receiver): Rename to...
2628         (restore_gp): ...this and update the unspec identifier accordingly.
2629         (exception_receiver, nonlocal_got_receiver): New expanders.
2630         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2631         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2632         (set_got_version, update_got_version): New patterns.
2633
2634 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2635
2636         PR target/34970
2637         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2638
2639 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2640
2641         PR other/31955
2642         * doc/install.texi2html: Generate gcc-vers.texi.
2643
2644 2008-01-25  DJ Delorie  <dj@redhat.com>
2645
2646         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2647
2648 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2649
2650         * config/c4x: Remove directory.
2651         * config.gcc (crx-*, mt-*): Mark obsolete.
2652         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2653         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2654         sh-*-rtemscoff*): Remove cases.
2655         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2656         * real.c (encode_c4x_single, decode_c4x_single,
2657         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2658         c4x_extended_format): Remove.
2659         * real.h (c4x_single_format, c4x_extended_format): Remove.
2660         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2661         on C4x.
2662         (Pragmas): Remove comment about c4x pragmas.
2663         * doc/install.texi (c4x): Remove target-specific instructions.
2664         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2665         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2666         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2667         refer to C4x source files as examples.
2668         (C4X_FLOAT_FORMAT): Remove documentation.
2669
2670 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2671
2672         * config/bfin/bfin.c (override_options): Reorder tests so that
2673         flag_pic gets enabled for -msep-data.
2674
2675 2008-01-25  Richard Guenther  <rguenther@suse.de>
2676
2677         PR middle-end/32244
2678         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2679         to its bitfield precision if required.
2680
2681 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2682
2683         PR middle-end/33880
2684         * tree-nested.c (walk_omp_for): New function.
2685         (convert_nonlocal_reference, convert_local_reference): Call
2686         walk_omp_for on OMP_FOR.
2687         (convert_call_expr): Call walk_body on OMP_FOR's
2688         OMP_FOR_PRE_INIT_BODY.
2689
2690 2008-01-25  Richard Guenther  <rguenther@suse.de>
2691
2692         PR tree-optimization/34966
2693         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2694         default defs and PHI_NODEs we have to insert after the
2695         defining statement.
2696
2697 2008-01-24  Nick Clifton  <nickc@redhat.com>
2698
2699         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2700         Provide a default definition.
2701         (LIBGCC2_UNITS_PER_WORD): Likewise.
2702
2703         * config/stormy16/stormy16.c: Include df.h for the prototype
2704         for df_regs_ever_live_p.
2705         (xstormy16_expand_builtin_va_start): Convert the stack offset
2706         into a component_ref and then use POINTER_PLUS_EXPR to add it
2707         to the incoming_virtual_args_rtx.
2708         (xstormy16_gimplify_va_arg_expr): Rename to
2709         xstormy16_gimplify_va_arg_expr.
2710         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2711         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2712         xstormy16_gimplify_va_arg_expr.
2713         Fix up some formatting issues.
2714
2715         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2716         Move to predicates.md.
2717         (xs_hi_general_operand): Likewise.
2718         (xs_hi_nonmemory_operand): Likewise.
2719         * config/stormy16/predicates.md:
2720         (xstormy16_carry_plus_operand): New predicate.
2721         (xs_hi_general_operand): New predicate.
2722         (xs_hi_nonmemory_operand): New predicate.
2723         * config/stormy16/stormy16-protos.h:
2724         (xstormy16_carry_plus_operand): Delete prototype.
2725         (xs_hi_general_operand): Likewise.
2726         (xs_hi_nonmemory_operand): Likewise.
2727
2728         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2729         modifiers as they are no longer needed and they can trigger
2730         reload spill failures.
2731
2732         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2733         with a match_operand in order to help reload.
2734
2735         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2736         constraint with 'e' for the 8th alternative as this version of
2737         the mov.w instruction only accepts the lower 8 registers.
2738
2739 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2740
2741         PR target/34856
2742         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2743         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2744         vector elements.
2745
2746 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2747
2748         PR middle-end/33333
2749         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2750
2751 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2752
2753         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2754         New functions.
2755         (remove_structure): Update allocations list before removing structure.
2756         
2757 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2758
2759         * ipa-struct-reorg.c (is_safe_cond_expr, 
2760         create_new_stmts_for_cond_expr): Use integer_zerop function,
2761         that recognize not only zero-pointer, but zero-integer too.
2762
2763 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2764
2765         PR other/22232
2766         * fixproto: Escape "." in sed expression that strips leading "./".
2767
2768 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2769
2770         PR driver/34904
2771         * gcc.c (SWITCH_OK): Removed.
2772         (SWITCH_LIVE): Changed to bit.
2773         (SWITCH_FALSE): Likewise.
2774         (SWITCH_IGNORE): Likewise.
2775         (switchstr): Change live_cond to unsigned int.
2776         (process_command): Replace SWITCH_OK with 0.
2777         (do_self_spec): Likewise.
2778         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2779         (give_switch): Likewise.
2780         (used_arg): Likewise.
2781         (do_spec_1): Set the SWITCH_IGNORE bit.
2782         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2783         bits.  Set the SWITCH_LIVE bit.
2784
2785 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2786
2787         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2788
2789 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2790
2791         PR tree-optimization/34472
2792         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2793         parameter to a "bool *" and set *DATA to false if there is
2794         an unsafe access.  Do not delete the structure here.
2795         (check_cond_exprs): Delete it here instead.
2796         (check_cond_exprs, exclude_cold_structs): Do not increase
2797         I when removing a structure.
2798
2799 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2800
2801         PR target/34856
2802         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2803         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2804
2805 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2806
2807         PR middle-end/34934
2808         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2809         a fixed vector for stack.
2810
2811 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2812
2813         PR c++/25701
2814         * doc/gcc.texi (Software development): Add a direntry for g++.
2815         
2816 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2817
2818         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2819         stale and straggling -fforce-addr comments above.
2820
2821         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2822         define.
2823         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2824         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2825
2826 2008-01-23  Michael Matz  <matz@suse.de>
2827
2828         PR debug/34895
2829         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2830         gen_type_die.
2831
2832 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2833
2834         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2835         malloc result type.
2836
2837 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2838
2839         * config/avr/avr.c (avr_current_arch): New variable.
2840         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2841         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2842         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2843         (avr_override_options): Init 'avr_current_arch'. 
2844         (base_arch_s): Move from here...
2845         * config/avr/avr.h (base_arch_s): ... here. Add new members 
2846         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
2847         'mega' to 'have_jmp_call'.
2848         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
2849         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2850         macros.
2851         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
2852         architectures.
2853         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
2854         MULTILIB_MATCHES): (Ditto.).
2855
2856 2008-01-23  Richard Guenther  <rguenther@suse.de>
2857
2858         PR middle-end/31529
2859         * cgraphunit.c (cgraph_reset_node): Always mark the node
2860         not reachable if it is not queued already.
2861
2862 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2863
2864         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2865         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2866         (cputype_selected): New static variable.
2867         (bfin_handle_option): Set it if -mcpu is used.
2868         (override_option): Select default set of workarounds if no cpu type
2869         selected on the command line.
2870         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2871
2872         From  Michael Frysinger  <michael.frysinger@analog.com>
2873         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2874         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2875
2876         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2877         for bf547, bf523, bf524, and bf526.
2878         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2879         bf526.
2880         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2881         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2882         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2883         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2884         * doc/invoke.texi (Blackfin Options): Document that
2885         -mcpu now accept bf547, bf523, bf524, and bf526.
2886
2887 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2888
2889         PR rtl-optimization/34628
2890         * combine.c (try_combine): Stop and undo after the first combination
2891         if an autoincrement side-effect on the first insn has effectively
2892         been lost.
2893
2894 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2895
2896         PR target/34529
2897         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2898         Offset addresses are not valid for Altivec or paired float modes.
2899
2900 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2901
2902         PR c++/34607
2903         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2904         if DECL_INITIAL (decl) is error_mark_node.
2905
2906         PR c++/34914
2907         * c-common.c (handle_vector_size_attribute): Only allow
2908         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2909         the same way as pointer, array etc. types.
2910         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2911
2912         PR c++/34917
2913         * tree.c (build_type_attribute_qual_variant): Call
2914         build_qualified_type if attributes are equal, but quals are not.
2915
2916 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2917
2918         PR 32102
2919         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2920         * flags.h (warn_strict_aliasing): Remove.
2921         (warn_strict_overflow): Remove.
2922         * opts.c (warn_strict_aliasing): Remove.
2923         (warn_strict_overflow): Remove.
2924         * c-opts.c (c_common_handle_option): -Wall only sets
2925         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2926         (c_common_post_options): Give default values to -Wstrict-aliasing
2927         and -Wstrict-overflow if they are uninitialized.
2928         * common.opt (Wstrict-aliasing): Specify Var and Init.
2929         (Wstrict-overflow): Likewise.
2930
2931 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2932
2933         PR rtl-optimization/26854
2934         PR rtl-optimization/34400
2935         PR rtl-optimization/34884
2936         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2937         DF_RD->gen.
2938         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2939         (df_rd_bb_info.expanded_lr_out): Deleted
2940         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2941         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2942         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2943         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2944         Removed code to allocate, initialize or free expanded_lr_out.
2945         (df_rd_bb_local_compute_process_def): Restructured to make more
2946         understandable.
2947         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2948         sets if the sets are being trimmed.
2949
2950 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2951
2952         PR bootstrap/32287
2953         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2954         (as_vers): Likewise.
2955         * configure: Regenerated.
2956
2957 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2958
2959         PR middle-end/33092
2960         * tree-pass.h (pass_build_alias): New pass.
2961         * tree-ssa-alias.c (gate_build_alias): New.
2962         (pass_build_alias): New.
2963         * passes.c (init_optimization_passes): Add pass_build_alias after
2964         pass_create_structure_vars.
2965
2966 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2967
2968         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2969         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2970         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2971         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2972         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2973         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2974         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2975         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2976         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2977         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2978         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2979         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2980         * config/s390/s390.md (FP_ALL): New mode iterator.
2981         (_d): New mode attribute.
2982         ("*signbit<mode>2>"): Changed mode of first operand.
2983         ("isinf<mode>2"): Changed mode of first operand.
2984         ("*TDC_insn"): Adaptation for DFP modes.
2985
2986 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2987
2988         * tree.c (check_qualified_type): Improve function description.
2989
2990 2008-01-21  Jason Merrill  <jason@redhat.com>
2991
2992         PR c++/34196
2993         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2994         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2995         if it is set.
2996
2997 2008-01-21  DJ Delorie  <dj@redhat.com>
2998
2999         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3000         return zero.
3001
3002 2008-01-21  Richard Guenther  <rguenther@suse.de>
3003
3004         PR middle-end/34856
3005         * tree-cfg.c (verify_expr): Allow all invariant expressions
3006         instead of just constant class ones as reference argument.
3007         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3008         like any other constant.
3009         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3010
3011 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
3012
3013         * regmove.c (fixup_match_1): Update call crossed frequencies.
3014
3015 2008-01-21  Richard Guenther  <rguenther@suse.de>
3016
3017         PR c/34885
3018         * tree-inline.c (setup_one_parameter): Deal with mismatched
3019         types using a VIEW_CONVERT_EXPR.
3020
3021 2008-01-21  Alon Dayan  <alond@il.ibm.com>
3022             Olga Golovanevsky  <olga@il.ibm.com>
3023         
3024         PR tree-optimization/34701
3025         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3026         when the structure size is not a power of 2.
3027
3028 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
3029
3030         * doc/install.texi: Add doc for --enable-checking=df.
3031         
3032 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3033
3034         PR rtl-optimization/34808
3035         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3036
3037 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3038
3039         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3040         input.
3041
3042 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3043
3044         PR rtl-optimization/26854
3045         PR rtl-optimization/34400
3046         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3047         DF_RD->gen.
3048         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3049         (df_rd_bb_info.expanded_lr_out): New.
3050         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3051         * loop_iv.c (iv_analysis_loop_init): Ditto.
3052         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3053         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3054         Added code to allocate, initialize or free expanded_lr_out.
3055         (df_rd_bb_local_compute_process_def): Restructured to make
3056         more understandable.
3057         (df_rd_confluence_n): Add code to do nothing with fake edges and
3058         code to no apply invalidate_by_call sets if the sets are being trimmed.
3059         (df_lr_local_finalize): Renamed to df_lr_finalize.
3060         (df_live_local_finalize): Renamed to df_live_finalize.
3061
3062 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3063
3064         PR target/34831
3065         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3066         deciding whether to use reciprocal instructions.
3067
3068 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3069
3070         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3071         dwarf2out_note_section_used if cold_text_section is NULL.
3072
3073 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3074
3075         PR gcov-profile/34610
3076         * tree-cfg.c (make_edges): Mark both outgoing edges from
3077         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3078         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3079         from OMP_FOR and OMP_CONTINUE outgoing edges.
3080
3081         * tree-profile.c (tree_profiling): Return early if
3082         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3083         at the end.
3084         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3085         from cfun to child_cfun.
3086         * function.h (struct function): Add after_tree_profile bit.
3087
3088 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3089
3090         * config/avr/avr.S (_exit): Disable interrupt.
3091
3092 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3093             Steven Bosscher  <stevenb.gcc@gmail.com>
3094
3095         PR rtl-optimization/26854
3096         PR rtl-optimization/34400
3097         * df-problems.c (df_live_scratch): New scratch bitmap.
3098         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3099         (df_live_reset): Clear the proper bitmaps.
3100         (df_live_bb_local_compute): Only process the artificial defs once
3101         since the order is not important.
3102         (df_live_init): Init the df_live sets only with the variables
3103         found live by df_lr.
3104         (df_live_transfer_function): Use the df_lr sets to prune the
3105         df_live sets as they are being computed.  
3106         (df_live_free): Free df_live_scratch.
3107
3108 2008-01-18  Ian Lance Taylor  <iant@google.com>
3109
3110         * common.opt: Add fmerge-debug-strings.
3111         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3112         flag_merge_debug_strings rather than flag_merge_constants.
3113         * doc/invoke.texi (Option Summary): Mention
3114         -fmerge-debug-strings.
3115         (Debugging Options): Document -fmerge-debug-strings.
3116
3117 2008-01-18  Ian Lance Taylor  <iant@google.com>
3118
3119         PR c++/33407
3120         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3121         (struct tree_function_decl): Add new field operator_new_flag.
3122         * tree-inline.c (expand_call_inline): When inlining a call to
3123         operator new, force the return value to go into a variable, and
3124         set DECL_NO_TBAA_P on that variable.
3125         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3126
3127 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3128
3129         PR debug/34484
3130         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3131         DWARF2_DEBUGGING_INFO.
3132         (dwarf2out_note_section_used): Ditto.  Add prototype.
3133         (have_multiple_function_sections, text_section_used,
3134         cold_text_section_used, *cold_text_sections): Move declarations
3135         before their uses.
3136
3137 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3138
3139         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3140         field and add signal_ra.
3141         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3142         assignments to frame state pc.  Move end of stack check after
3143         MD_FALLBACK_FRAME_STATE_FOR.
3144         (uw_update_context_1): Use frame state signal_regs if set, instead
3145         of checking signal_frame flag.
3146         (uw_update_context): Use frame state signal_ra if set.
3147         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3148         * config/xtensa/linux-unwind.h: New file.
3149
3150 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3151
3152         * modulo-sched.c (get_sched_window): Fix comment typo.
3153
3154 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3155
3156         PR tree-optimization/34648
3157         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3158
3159 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3160
3161         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3162         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3163
3164 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3165
3166         PR rtl-optimization/34400
3167         * df-core.c (df_worklist_dataflow_overeager,
3168         df_worklist_dataflow_doublequeue): New functions.
3169         (df_worklist_dataflow): Two different worklist solvers.
3170         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3171         New param.
3172
3173 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3174
3175         PR testsuite/34821
3176         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3177         and ftree-parallelize-loops.
3178
3179 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3180
3181         PR rtl-optimization/34826
3182         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3183
3184 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3185
3186         * global.c (find_reg): Mark the eh regs as used if necessary.
3187         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3188         * ra.h (struct allocno): no_eh_reg field added.  Changed
3189         no_stack_reg type to bitfield.
3190
3191 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3192
3193         * tree.c (substitute_in_expr): Add missing 'break'.
3194
3195 2008-01-17  Richard Guenther  <rguenther@suse.de>
3196
3197         PR tree-optimization/34825
3198         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3199         x / x as division to handle.
3200
3201 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3202
3203         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3204         "-pthread" is specified.
3205         * pa-hpux11.h (LIB_SPEC): Likewise.
3206
3207 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3208             Peter Bergner  <bergner@vnet.ibm.com>
3209
3210         PR rtl-optimization/33796
3211         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3212
3213 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3214
3215         PR libgfortran/34699
3216         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3217         static links.
3218         * pa-hpux10.h (LINK_SPEC): Likewise.
3219         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3220
3221 2008-01-16  Richard Guenther  <rguenther@suse.de>
3222
3223         PR middle-end/32628
3224         * fold-const.c (fold_convert_const_int_from_int): Do not
3225         set overflow if that occured only because of a sign extension
3226         change when converting from/to a sizetype with the same
3227         precision and signedness.
3228
3229 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3230
3231         PR debug/34249
3232         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3233         location address to the correct place.  Update copyright year.
3234
3235 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3236
3237         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3238         no dependences in the dependence_relations vector.
3239
3240 2008-01-16  Jan Hubicka  <jh@suse.cz>
3241
3242         PR rtl-optimization/31396
3243         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3244         * cfg.c (dump_reg_info): Print it.
3245         * regs.h (struct reg_info_t): add freq_calls_crossed.
3246         (REG_FREQ_CALLS_CROSSED): New macro.
3247         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3248         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3249         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3250         regmove_optimize): Update call crossed frequencies.
3251         * local-alloc.c (struct qty): Add freq_calls_crossed.
3252         (alloc_qty): Copute freq_calls_crossed.
3253         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3254         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3255         * ra.h (struct allocno): Add freq_calls_crossed.
3256
3257 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3258
3259         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3260         libgomp when compiling with ftree-parallelize-loops.
3261         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3262
3263 2008-01-16  Richard Guenther  <rguenther@suse.de>
3264
3265         PR tree-optimization/34769
3266         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3267         * tree.c (int_cst_value): Instead make this function more
3268         permissive in what it accepts as valid input.  Document this
3269         function always sign-extends the value.
3270
3271 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
3272             Richard Guenther  <rguenther@suse.de>
3273
3274         PR c/34668
3275         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3276         (gimple_fold_indirect_ref_rhs): ... this.
3277         (gimple_fold_indirect_ref): New function with foldings
3278         that preserve lvalueness.
3279         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3280         * tree-flow.h (gimple_fold_indirect_ref): Declare.
3281         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3282         to fold an INDIRECT_REF, fall back to the old use of
3283         fold_indirect_ref_1.
3284
3285 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3286
3287         * tree-data-ref.c (subscript_dependence_tester_1): Call 
3288         free_conflict_function.
3289         (compute_self_dependence): Same.
3290
3291 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3292
3293         PR debug/34249
3294         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3295         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
3296         function global.
3297         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3298         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3299         for DWARF2_UNWIND_INFO targets.
3300
3301 2008-01-16  Richard Guenther  <rguenther@suse.de>
3302
3303         PR c/34768
3304         * c-typeck.c (common_pointer_type): Do not merge inconsistent
3305         type qualifiers for function types.
3306
3307 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
3308
3309         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3310         loop_iterator li from previous commit.
3311
3312 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3313
3314         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3315
3316 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3317
3318         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3319         (parallelize_loops): Don't parallelize irreducible components.
3320
3321 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3322
3323         PR c++/24924
3324         * c-opts (c_common_post_options): Do not enable CPP
3325         flag_pedantic_errors by default.
3326         
3327 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
3328
3329         PR rtl-optimization/31944
3330         * cse.c (remove_pseudo_from_table): New function.
3331         (merge_equiv_classes): Use above function to remove pseudo-registers.
3332         (invalidate): Likewise.
3333
3334 2008-01-13  Richard Guenther  <rguenther@suse.de>
3335
3336         PR middle-end/34601
3337         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3338         instead of TYPE_MODE to deal with calls from expand_one_error_var.
3339
3340 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
3341
3342         * gcse.c (cprop_jump): Call validate_unshare_change instead of
3343         validate_change to unshare the source of the PC set.
3344
3345 2008-01-12  Jan Hubicka  <jh@suse.cz>
3346
3347         PR middle-end/32135
3348         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3349         references above array bounds.  This might trigger bounds checks for
3350         pointers to arrays.
3351
3352 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3353
3354         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3355         new_replaceable_dependencies.
3356
3357 2008-01-12  Doug Kwan  <dougkwan@google.com>
3358
3359         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3360         instead of OPT_Wreturn_type in warning due to ignored return type
3361         qualifiers.
3362         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3363         options included in -Wextra.
3364         * c.opt: New option -Wignored_qualifiers.
3365         * doc/invoke.texi (Warning Options, -Wextra): Add new option
3366         -Wignore_qualifiers.
3367         (-Wignored-qualifiers): Document.
3368         (-Wreturn-type): Remove description of functionality now handled
3369         by -Wignored-qualifiers.
3370
3371 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
3372
3373         PR ada/33788
3374         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3375         NOP_EXPR if it is between integral types with the same precision.
3376
3377 2008-01-12  Jan Hubicka  <jh@suse.cz>
3378
3379         PR other/28023
3380         * invoke.texi (max-inline-recursive-depth): Fix default value.
3381
3382 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
3383
3384         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3385         correct type.
3386
3387 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
3388         
3389         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3390         
3391 2008-01-11  James E. Wilson  <wilson@specifix.com>
3392
3393         PR target/26015
3394         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3395
3396 2008-01-11  Anatoly Sokolov <aesok@post.ru>
3397
3398         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
3399         save/restore frame pointer register and don't use 'call-prologues' 
3400         optimization in function with "OS_task" attribute.
3401
3402 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3403
3404         PR middle-end/31309
3405         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3406         when copying to memory.
3407
3408 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
3409
3410         PR rtl-optimization/30905
3411         * cfgcleanup.c: Include dce.h
3412         (crossjumps_occured): New global variable.
3413         (try_crossjump_bb): Exit loop after finding a fallthru edge.
3414         If something changed, set crossjumps_occured to true.
3415         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3416         Don't add/remove fake edges to exit here...
3417         (cleanup_cfg): ...but do it here, when crossjumping.
3418         Run a fast DCE when successful crossjumps occured in the latest
3419         iteration of try_optimize_cfg.
3420
3421 2008-01-11  Richard Guenther  <rguenther@suse.de>
3422
3423         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3424         (struct vn_unary_op_s): Likewise.
3425         (vn_reference_insert): Free old reference on hash collision.
3426
3427 2008-01-10  Raksit Ashok  <raksit@google.com>
3428
3429         PR rtl-optimization/27971
3430         * combine.c (find_split_point): Split PLUS expressions which are
3431         inside a MEM rtx, and whose first operand is complex.
3432
3433 2008-01-10  DJ Delorie  <dj@redhat.com>
3434
3435         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
3436         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
3437         (m32c_hard_regno_ok): Call the underlying function.
3438
3439 2008-01-10  Richard Guenther  <rguenther@suse.de>
3440
3441         PR middle-end/34683
3442         * tree-cfg.c (tree_merge_blocks): Do not go through the
3443         full-blown folding and stmt updating path if we just deal
3444         with virtual operands.
3445         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3446         test for abnormal SSA_NAMEs.
3447
3448 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3449
3450         PR middle-end/34641
3451         * reload.c (push_reload): Add assertions.  All constants from
3452         reg_equiv_constant should have been used for replacing the respective
3453         pseudo earlier.
3454         (find_reloads_address): Invoke find_reloads_address_part for
3455         constant taken from the reg_equiv_constant array.
3456
3457 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
3458
3459         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3460         field (valnum) the first in the struct.  Replace bools with
3461         unit bit fields.
3462
3463 2008-01-10  Richard Guenther  <rguenther@suse.de>
3464
3465         PR tree-optimization/34651
3466         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
3467         types and ordering for masking and converting.
3468
3469 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
3470
3471         PR tree-optimization/34017
3472         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3473         also for PHI_NODE expressions.
3474
3475 2008-01-09  Jan Hubicka  <jh@suse.cz>
3476
3477         PR tree-optimization/34708
3478         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3479         based on number of case labels.
3480         (init_inline_once): Remove switch_cost.
3481         * tree-inline.h (eni_weights_d): Remove switch_cost.
3482
3483 2008-01-09  Richard Guenther  <rguenther@suse.de>
3484         Andrew Pinski  <andrew_pinski@playstation.sony.com>
3485
3486         PR middle-end/30132
3487         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3488         temporary if an rvalue is ok or an lvalue is not required.
3489
3490 2008-01-09  Richard Guenther  <rguenther@suse.de>
3491
3492         PR middle-end/34458
3493         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3494         adjust return type.
3495
3496 2008-01-09  Richard Guenther  <rguenther@suse.de>
3497
3498         PR middle-end/34679
3499         * tree.c (host_integerp): Check for sizetype only if the
3500         type is an integer type.
3501
3502 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3503
3504         PR debug/26364
3505         * opts.c (decode_options): Disable inlining of functions called
3506         once if not in unit-at-a-time mode.
3507
3508 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3509
3510         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3511
3512 2008-01-08  Richard Guenther  <rguenther@suse.de>
3513
3514         PR middle-end/31863
3515         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3516         out early if the result will be unused.
3517
3518 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3519
3520         PR target/34709
3521         Revert:
3522
3523         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3524         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3525         for TARGET_RECIP.       
3526         
3527 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3528         
3529         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3530         for vectorization tuned.
3531         
3532 2008-01-08  Richard Guenther  <rguenther@suse.de>
3533
3534         PR tree-optimization/34683
3535         * tree-ssa-operands.c (operand_build_cmp): Export.
3536         * tree-ssa-operands.h (operand_build_cmp): Declare.
3537         * tree-vn.c (vuses_compare): Remove.
3538         (sort_vuses): Use operand_build_cmp.
3539         (sort_vuses_heap): Likewise.
3540         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3541         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3542         (vdefs_to_vec): Do not sort already sorted VDEFs.
3543
3544 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3545
3546         PR middle-end/34694
3547         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3548
3549 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3550
3551         PR target/34702
3552         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3553         limitations of reciprocal sequences on x86 targets.
3554
3555 2008-01-08  Richard Guenther  <rguenther@suse.de>
3556
3557         PR tree-optimization/34683
3558         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3559
3560 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3561
3562         PR target/34622
3563         * config/darwin.c (darwin_mergeable_string_section): Don't use
3564         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3565
3566 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3567
3568         PR target/34682
3569         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3570         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3571         predicates of op0 and op1 to register_operand.
3572         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3573         expander using X87MODEF mode iterator.  Change predicates of
3574         op0 and op1 to register_operand.
3575         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3576         corresponding patterns and macroize using MODEF macro.  Change
3577         predicates of op0 and op1 to register_operand and remove
3578         "m" constraint. Disparage "r" alternative with "!".
3579         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3580         macroize using X87MODEF macro.  Change predicates of op0 and op1
3581         to register_operand and remove "m" constraint.  Disparage "r"
3582         alternative with "!".
3583         (absneg splitter with memory operands): Remove.
3584         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3585         patterns and macroize using X87MODEF mode iterator.
3586         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3587         Change predicate of op1 to register_operand.
3588         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3589         for memory operands.
3590
3591 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3592
3593         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3594
3595 2008-01-07  Richard Guenther  <rguenther@suse.de>
3596
3597         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3598         fields.
3599
3600 2008-01-07  Richard Guenther  <rguenther@suse.de>
3601
3602         PR tree-optimization/34683
3603         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3604         VOPs of the needed size to save memory.  Use VEC_quick_push
3605         to save compile-time.
3606         (vdefs_to_vec): Likewise.
3607
3608 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3609
3610         * config/spu/spu.md (divdf3): Genetate inline code for double
3611         division.  The implementation doesn't handle INF or NAN, therefore it
3612         only applies when -ffinite-math-only is given.
3613
3614 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3615
3616         PR libstdc++/34680
3617         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3618         * doc/cpp.texi ([Common Predefined Macros]): Document.
3619
3620 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3621
3622         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3623         order to use commutative addition instead of subtraction.
3624
3625 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3626             Mircea Namolaru  <namolaru@il.ibm.com>
3627             Vladimir Yanovsky  <yanov@il.ibm.com>
3628             Revital Eres  <eres@il.ibm.com>
3629
3630         PR tree-optimization/34263
3631         * tree-outof-ssa.c (process_single_block_loop_latch,
3632         contains_tree_r): New functions.
3633         (analyze_edges_for_bb): Call process_single_block_loop_latch
3634         function to empty single-basic-block latch block if possible.
3635
3636 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3637
3638         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3639         for TARGET_RECIP.
3640         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3641
3642 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3643
3644         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3645
3646 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3647
3648         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3649
3650 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3651
3652         PR tree-optimization/34618
3653         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3654         flag from T.
3655
3656 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3657
3658         PR target/34673
3659         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3660         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3661         Update copyright year.
3662
3663         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3664         Update copyright year.
3665         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3666         using NR fixup.
3667
3668 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3669
3670         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3671         edge does not point to current bb before changing need_assert.
3672
3673 2008-01-04  Richard Guenther  <rguenther@suse.de>
3674
3675         PR middle-end/34029
3676         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3677         for verifying purposes if they are is_gimple_min_invariant.
3678
3679 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3680
3681         PR tree-optimization/34448
3682         PR tree-optimization/34465
3683         * gimplify.c (gimplify_init_constructor): Add new parameter
3684         notify_temp_creation.  Use it.
3685         (gimplify_modify_expr_rhs): Take volatiles into account when
3686         optimizing constructors.
3687         Do not optimize constructors if gimplify_init_constructor will dump to
3688         memory.
3689         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3690         * gcc.c-torture/compile/pr34448.c: New.
3691
3692 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3693
3694         PR gcov-profile/34609
3695         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3696         return_slot if result is TREE_ADDRESSABLE.
3697
3698 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3699
3700         * config/mips/mips.md (sqrt_condition): Tweak comment.
3701         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3702
3703 2008-01-03  Tom Tromey  <tromey@redhat.com>
3704
3705         PR c/34457
3706         * c-common.c (c_type_hash): Handle VLAs.
3707
3708 2008-01-03  Jan Hubicka  <jh@suse.cz>
3709
3710         PR tree-optimization/31081
3711         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3712         0 when inlining and not inlining to first basic block.
3713         (remap_decl): When var is initialized to 0, don't set default_def.
3714         (expand_call_inline): Set entry_bb.
3715         * tree-inline.h (copy_body_data): Add entry_bb.
3716
3717 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3718
3719         PR c++/34619
3720         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3721         before returning.
3722
3723         PR tree-optimization/29484
3724         * tree-inline.c (inline_forbidden_p_2): New function.
3725         (inline_forbidden_p): Disallow inlining if some static var
3726         has an address of a local LABEL_DECL in its initializer.
3727         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3728         vs. inlining.
3729
3730 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3731
3732         PR tree-optimization/34635
3733         * tree-data-ref.c (add_other_self_distances): Make sure that the
3734         evolution step is constant.
3735
3736 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3737
3738         PR middle-end/34608
3739         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3740
3741 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3742
3743         * tree-sra.c (scalarize_init): Insert the generate_element_init
3744         statements after the generate_element_zero statements.
3745
3746 2008-01-02  Richard Guenther  <rguenther@suse.de>
3747
3748         PR middle-end/34093
3749         PR middle-end/31976
3750         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3751         for very large number of operands instead of ICEing.
3752
3753 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3754
3755         PR target/34013
3756         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3757         while stack probing.
3758
3759 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3760
3761         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3762         in C++0x mode.
3763
3764 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3765
3766         PR libmudflap/26442
3767         * tree-mudflap.c (mx_register_decls): Guard warning by
3768         !DECL_ARTIFICIAL check.
3769
3770 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3771
3772         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3773         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3774         sse5_perm<mode>): Fix constraints.