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2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2
3         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
4
5 2008-03-10  Richard Guenther  <rguenther@suse.de>
6
7         * tree-ssa-pre.c (get_sccvn_value): Simplify.
8         (compute_avail): Do not add stmt uses to AVAIL_OUT.
9
10 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
11
12         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
13         Set default to true.
14
15 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16
17         * c.opt (Wsynth): Deprecate.
18         * doc/invoke.texi (Option Summary, Warning Options): Document
19         -Wno-format-contains-nul.
20
21 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
22
23         PR target/35496
24         * config/i386/i386.c (ix86_constant_algnment): Compute alignment using
25         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
26
27 2008-03-09  Ira Rosen  <irar@il.ibm.com>
28
29         * config/rs6000/rs6000.c (builtin_description): Rename vector
30         left shift operations.
31         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
32         (altivec_vsl<VI_char>): Rename to ...
33         (ashl<mode>3): ... new name.
34         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
35         gen_ashlv4si3.
36         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
37
38 2008-03-08  Richard Guenther  <rguenther@suse.de>
39
40         * coverage.h (tree_coverage_counter_addr): Declare.
41         * coverage.c (tree_coverage_counter_addr): New function.
42         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
43         before using again.
44         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
45         (tree_gen_one_value_profiler): Likewise.
46         (tree_gen_ic_profiler): Likewise.
47         (tree_gen_average_profiler): Likewise.
48         (tree_gen_ior_profiler): Likewise.
49
50 2008-03-08  Richard Guenther  <rguenther@suse.de>
51
52         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
53         (vn_binary_op_insert): Likewise.
54         (vn_unary_op_lookup): Likewise.
55         (vn_unary_op_insert): Likewise.
56         (vn_nary_op_lookup): Declare.
57         (vn_nary_op_insert): Likewise.
58         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
59         and binary hashes, use a single obstack for unary_op_pool
60         and binary_op_pool.
61         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
62         a single struct vn_nary_op_s.  Store tree code length and
63         a variable number of operands.
64         (struct vn_reference_op_struct): Remove unused op2.
65         (vn_reference_op_eq): Do not compare op2.
66         (vn_reference_op_compute_hash): Do not compute hash of op2.
67         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
68         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
69         with vn_nary_op_compute_hash.
70         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
71         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
72         vn_nary_op_lookup.
73         (vn_unary_op_insert, vn_binary_op_insert): Replace with
74         vn_nary_op_insert.
75         (visit_unary_op): Call nary functions.
76         (visit_binary_op): Likewise.
77         (process_scc): Adjust for struct vn_tables_s changes.
78         (allocate_vn_table): Likewise.
79         (free_vn_table): Likewise.
80         * tree-vn.c (vn_add): Call nary functions.
81         (vn_lookup): Likewise.
82
83 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
84
85         PR target/35498
86         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
87         wdst back after sync_compare_and_swapqhi_internal.
88
89 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
90
91         PR target/22152
92         * config/i386/i386-modes.def (V1DI): New vector mode.
93         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
94         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
95         (MMXMODE248): Ditto.
96         (MMXMODE): Add V1DI mode.
97         (mmxvecsize): Change DI mode to V1DI mode.
98         ("mov<mode>): Use MMXMODEI8 mode iterator.
99         ("*mov<mode>_internal_rex64"): Ditto.
100         ("*mov<mode>_internal"): Ditto.
101         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
102         ("mmx_sub<mode>3"): Ditto.
103         ("mmx_adddi3"): Remove insn pattern.
104         ("mmx_subdi3"): Ditto.
105         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
106         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
107         ("mmx_ashl<mode>3"): Ditto.
108         ("mmx_lshrdi3"): Remove insn pattern.
109         ("mmx_ashldi3"): Ditto.
110         * config/i386/i386.c (classify_argument): Handle V1DImode.
111         (function_arg_advance_32): Ditto.
112         (function_arg_32): Ditto.
113         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
114         mmx_addv1di3 insn pattern.
115         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
116         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
117         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
118         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
119         Remove definitions of built-in functions.
120         (V1DI_type_node): New node.
121         (v1di_ftype_v1di_int): Ditto.
122         (v1di_ftype_v1di_v1di): Ditto.
123         (v2si_ftype_v2si_si): Ditto.
124         (v4hi_ftype_v4hi_di): Remove node.
125         (v2si_ftype_v2si_di): Ditto.
126         (ix86_init_mmx_sse_builtins): Handle V1DImode.
127         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
128         Redefine builtins using def_builtin_const with *_ftype_*_int node.
129         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
130         Add new builtins using def_builtin_const.
131         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
132         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
133         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
134         * config/i386/mmintrin.h (__v1di): New typedef.
135         (_mm_add_si64): Cast arguments to __v1di type.
136         (_mm_sub_si64): Ditto.
137         (_mm_sll_pi16): Cast __count to __v4hi type.
138         (_mm_sll_pi32): Cast __count to __v2si type.
139         (_mm_sll_si64): Cast arguments to __v1di type.
140         (_mm_srl_pi16): Cast __count to __v4hi type.
141         (_mm_srl_pi32): Cast __count to __v2si type.
142         (_mm_srl_si64): Cast arguments to __v1di type.
143         (_mm_sra_pi16): Cast __count to __v4hi type.
144         (_mm_sra_pi32): Cast __count to __v2si type.
145         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
146         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
147         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
148         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
149         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
150         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
151         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
152         (_mm_srai_pi32): Use __builtin_ia32_psradi.
153         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
154         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
155         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
156         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
157
158 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
159
160         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
161
162 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
163
164         PR target/35373
165         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
166         reg+const addressing for Altivec modes.  Don't generate reg+reg
167         addressing for TFmode or TDmode quantities.
168
169 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
170
171         * c-common.c (vector_types_convertible_p): Call langhook
172         instead of comptypes.
173
174 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
175
176         PR tree-opt/35402
177         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
178         integral and scalar float variables which have a
179         NULL DECL_INITIAL.
180
181 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
182
183         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
184         dwarf_register_span hook when emitting unwind information for
185         register-to-memory saves.
186         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
187         (rs6000_frame_related): Remove call to spe_synthesize_frame.
188
189 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
190
191         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
192         for the same VAR_DECL.
193
194 2008-03-06  Tom Tromey  <tromey@redhat.com>
195
196         * treelang: Delete.
197         * doc/standards.texi (Standards): Don't mention treelang.
198         * doc/invoke.texi (Overall Options): Don't mention treelang.
199         * doc/install.texi (Prerequisites): Don't mention bison or
200         treelang.
201         (Configuration): Don't mention treelang.
202         (Building): Likewise.
203         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
204
205 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
206
207         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
208         word-extractions out of a multi-word object.
209
210 2008-03-06  Richard Guenther  <rguenther@suse.de>
211
212         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
213         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
214         result type and precision.
215         * expr.c (get_inner_reference): Set unsignedp based on the result
216         type of BIT_FIELD_REF.
217         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
218         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
219         (try_instantiate_multiple_fields): Likewise.  Use the correct type
220         for BIT_FIELD_REF.
221         (sra_build_assignment): Likewise.
222         (sra_build_elt_assignment): Likewise.
223         (sra_explode_bitfield_assignment): Likewise.
224         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
225         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
226         set BIT_FIELD_REF_UNSIGNED.
227         (vectorizable_load): Likewise.
228
229 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
230
231         * cse.c (cse_extended_basic_block): Invalidate artificial defs
232         at bb start.
233
234 2008-03-06  Richard Guenther  <rguenther@suse.de>
235
236         * alias.c (struct alias_set_entry): Move has_zero_child field
237         to pack with alias_set.
238
239 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
240
241         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
242         32bit host.
243
244 2008-03-05  Ian Lance Taylor  <iant@google.com>
245
246         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
247
248 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
249
250         * fwprop.c (update_df): Support width and offset parameters of
251         df_ref_create.
252         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
253         global_conflicts): Change DF_REF_EXTRACT to either
254         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
255         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
256         * df-scan.c (df_ref_record, df_defs_record,
257         df_ref_create_structure, df_def_record_1, df_uses_record,
258         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
259         df_bb_refs_collect, df_entry_block_defs_collect,
260         df_exit_block_uses_collect): Support new width and offset fields.
261         (ref_extract_pool): New storage pool.
262         (df_free_ref): New function.
263         (df_reg_chain_unlink, df_free_collection_rec,
264         df_sort_and_compress_refs): Call df_free_ref.
265         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
266         of df_ref_extract.
267         (df_ref_create_structure): Allocate df_ref_extract if offset and
268         width fields are used.
269         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
270         (df_uses_record): Get offset and width from ZERO_EXTRACT 
271         and SIGN_EXTRACT.
272         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
273         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
274         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
275         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
276         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
277         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
278         (df_ref_extract): New structure.
279         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
280         (df_ref_create): Add width and offset parameters.
281         
282 2008-03-05  Richard Guenther  <rguenther@suse.de>
283
284         * tree-ssa-structalias.c (get_constraint_for_component_ref):
285         Use ranges_overlap_p.
286         (offset_overlaps_with_access): Rename
287         to ranges_overlap_p and move ...
288         * tree-flow-inline.h (ranges_overlap_p): ... here.
289
290         * tree.h (get_inner_reference, handled_component_p): Update
291         comments.
292
293         * tree.h (record_component_aliases, get_alias_set,
294         alias_sets_conflict_p, alias_sets_must_conflict_p,
295         objects_must_conflict_p): Move declarations ...
296         * alias.h (record_component_aliases, get_alias_set,
297         alias_sets_conflict_p, alias_sets_must_conflict_p,
298         objects_must_conflict_p): ... here.
299         Include coretypes.h.
300         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
301
302 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
303
304         * cfg.c: Include tree-flow.h.
305         (remove_edge_raw): Call redirect_edge_var_map_clear.
306         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
307         * tree-flow-inline.h (redirect_edge_var_map_def): New.
308         (redirect_edge_var_map_result): New.
309         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
310         PENDING_STMT use with redirect_edge_var_map_*.
311         * tree-ssa.c (edge_var_maps): New definition.
312         (redirect_edge_var_map_add): New.
313         (redirect_edge_var_map_clear): New.
314         (redirect_edge_var_map_dup): New.
315         (redirect_edge_var_map_vector): New.
316         (redirect_edge_var_map_destroy): New.
317         (ssa_redirect_edge): Replace PENDING_STMT use with
318         redirect_edge_var_map_*.
319         (flush_pending_stmts): Same.
320         (delete_tree_ssa): Destroy edge var map.
321         * tree-flow.h (struct _edge_var_map): New.
322         Define edge_var_map vector type.
323         Declare redirect_edge_var_map_* prototypes.
324         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
325         * tree-cfg.c (reinstall_phi_args): Replace
326         PENDING_STMT use with redirect_edge_var_map_*.
327
328 2008-03-05  Richard Guenther  <rguenther@suse.de>
329
330         PR tree-optimization/35472
331         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
332         whose single use_stmt has a overlapping set of loaded and
333         stored symbols as that use_stmt might be a noop assignment then.
334
335 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
336
337         * gthr-rtems.h: Implement __gthread_mutex_destroy.
338
339 2008-03-05  Richard Guenther  <rguenther@suse.de>
340
341         PR c++/35336
342         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
343         should be constants.
344         * tree-cfg.c (verify_expr): Verify it.
345         * fold-const.c (fold_truthop): Remove code generating
346         BIT_FIELD_REFs of structure bases.
347         (fold_binary): Likewise.
348         (fold_ternary): Position and size of BIT_FIELD_REFs are
349         always host integers.
350         (make_bit_field_ref): Remove.
351         (optimize_bit_field_compare): Remove.
352         (all_ones_mask_p): Remove.
353
354 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
355
356         PR gcc/33009
357         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
358         (split_block_and_df_analyze): New. Split basic block and rebuild
359         dataflow.
360         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
361         SPLIT_BLOCK.
362         (split_pattern_seq): Likewise.
363         (erase_matching_seqs): Likewise.
364         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
365
366 2008-03-04  Geoff Keating  <geoffk@apple.com>
367
368         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
369         declaration and code.
370         (tree_invalid_nonnegative_warnv_p): Likewise.
371
372 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
373
374         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
375         examples.  Truncate option-names then causing overfull hbox.
376
377 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
378
379         PR target/35222
380         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
381         on hpux10.
382         * configure: Rebuilt.
383
384 2008-03-04  Rafael Espindola  <espindola@google.com>
385
386         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
387         (tree_unary_nonnegative_warnv_p): New.
388         (tree_binary_nonnegative_warnv_p): New.
389         (tree_single_nonnegative_warnv_p): New.
390         (tree_invalid_nonnegative_warnv_p): New.
391         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
392
393 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
394
395         PR 28322
396         * opts.c (handle_option): Postpone 'unknown option' errors only for
397         warning options.
398
399 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
400
401         PR target/35453
402         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
403         (_SIDD_XXX): This.
404
405 2008-03-04  Rafael Espindola  <espindola@google.com>
406
407         * fold-const.c (tree_unary_nonzero_warnv_p): New.
408         (tree_binary_nonzero_warnv_p): New.
409         (tree_single_nonzero_warnv_p): New.
410         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
411
412 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
413
414         PR middle-end/35456
415         * fold-const.c (fold_cond_expr_with_comparison): Prevent
416         transformations for modes that have signed zeros.
417         * ifcvt.c (noce_try_abs): Ditto.
418
419 >>>>>>> .r132956
420 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
421
422         * config/i386/i386.c (override_options): Force
423         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
424
425 2008-03-04  Jan Hubicka  <jh@suse.cz>
426
427         PR c++/35262
428         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
429         in last commit.
430
431 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
432
433         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
434         label to probe the stack.
435
436 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
437
438         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
439         (__gthr_win32_mutex_destroy): Declare.
440         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
441         __gthr_win32_mutex_destroy.
442         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
443
444 2008-03-03  Jan Hubicka  <jh@suse.cz>
445
446         PR c++/35262
447         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
448         aggressive on inlining cold calls.
449
450 2008-03-03  Richard Guenther  <rguenther@suse.de>
451
452         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
453         struct copies into the expression table.
454         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
455         (try_to_simplify): Likewise.
456         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
457         integral and pointer arguments which do not change the
458         precision to NOP_EXPRs.
459         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
460         VIEW_CONVERT_EXPR case.
461
462 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
463
464         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
465         defined in a loop at depth 0 is invariant.
466         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
467         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
468         be called at loop depth 0.
469
470 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
471
472         PR driver/35420
473         * gcc.c (process_command): Update copyright notice dates.
474         * gcov.c (print_version): Likewise.
475         * gcov-dump.c (print_version): Likewise.
476         * mips-tfile.c (main): Likewise.
477         * mips-tdump.c (main): Likewise.
478
479 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
480
481         PR 24924
482         * c-common.c (flag_permissive): Delete.
483         (constant_expression_warnings): Check flags first.
484         (constant_expression_error): New.
485         * c-common.h (flag_permissive): Delete.
486         (constant_expression_error): Declare.
487         * flags.h (flag_permissive): Declare. Update description.
488         * diagnostic.c (pedwarn): Update.
489         (permerror): New.
490         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
491         (permissive_error_kind): New.
492         * toplev.c (flag_permissive): Define. Update description.
493         * toplev.h (permissive_error_kind): Declare.
494         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
495         (pedwarn_c90): Use pedantic_warning_kind.
496         * c-opts.c (c_common_post_options): flag_permissive does not affect
497         flag_pedantic_errors.
498
499 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
500
501         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
502         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
503         __absvsi2, __absvDI2): Use unsigned arithmetic.
504
505 2008-03-02  Andi Kleen  <ak@suse.de>
506         Richard Guenther  <rguenther@suse.de>
507
508         * struct-equiv.c: Remove file.
509         * cfg_cleanup.c (condjump_equiv_p): Remove.
510         * Makefile.in (OBJS-common): Remove struct-equiv.o.
511         (struct-equiv.o): Remove rule.
512         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
513         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
514         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
515
516 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
517
518         * ifcvt.c (noce_process_if_block): Try to handle only the then
519         block if the else block exists but isn't suitable.
520
521 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
522
523         PR gcc/35063
524         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
525         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
526         regression from previous patch.
527
528 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
529
530         PR gcc/35063
531         * gthr.h: Add __gthread_mutex_destroy as a function that must be
532         implemented.
533         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
534         * gthr-single.h (__gthread_mutex_destroy): Likewise.
535         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
536         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
537         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
538         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
539         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
540         (__gthread_mutex_destroy_function): Rename to
541         __gthread_mutex_destroy.
542         * gthr-dce.h (__gthread_mutex_destroy): Call
543         pthread_mutex_destroy.
544         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
545         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
546         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
547
548 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
549
550         * df-scan.c (df_ref_chain_change_bb): Simplify.
551         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
552         set_block_for_insn if there's any change.
553         * df.h ((df_insn_change_bb): Fix prototype.
554         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
555         df_insn_change_bb, don't call set_block_for_insn.
556         * emit-rtl.c (reorder_insns): Likewise.
557         * haifa-sched.c (move_insn): Likewise.
558
559 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
560
561         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
562
563 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
564
565         * tree-flow-inline.h (next_readonly_imm_use): Return
566         NULL_USE_OPERAND_P after the end.
567
568 2008-03-01  Richard Guenther  <rguenther@suse.de>
569
570         PR tree-optimization/35411
571         * tree-sra.c (sra_build_assignment): Split conversion to
572         final type to a separate statement if we are not assigning
573         to a register.
574
575 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
576
577         * fold-const.c (fold_convertible_p): Correct the logic to follow
578         that in fold_convert().
579
580 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
581
582         PR c++/35315
583         * tree-inline.c (build_duplicate_type): When we make a
584         duplicate type, make it unique in the canonical types system.
585
586 2008-02-29  Tom Tromey  <tromey@redhat.com>
587
588         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
589         input_file_stack_history, input_file_stack_restored): Remove.
590         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
591         * input.h (struct file_stack): Remove.
592         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
593         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
594         Likewise.
595         * diagnostic.h (struct diagnostic_context) <last_module>: Change
596         type.
597         (diagnostic_last_module_changed): Add 'map' argument.
598         (diagnostic_set_last_function): Likewise.
599         * diagnostic.c (undiagnostic_report_current_module): Iterate using
600         line map, not input_file_stack.
601         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
602
603 2008-02-29  Paul Brook  <paul@codesourcery.com>
604
605         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
606
607 2008-02-29  Paul Brook  <paul@codesourcery.com>
608
609         * config/arm/ieee754-df.S (muldf3): Use RET macros.
610
611 2008-02-29  Richard Guenther  <rguenther@suse.de>
612
613         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
614         vn_lookup_or_add.
615         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
616         value for comparing for a store match.
617         (simplify_unary_expression): Do nothing for SSA_NAMEs.
618         (try_to_simplify): Do not do a full-blown reference lookup.
619
620 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
621
622         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
623         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
624
625         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
626
627 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
628
629         * tree-loop-linear.c (try_interchange_loops): Compare memory access
630         strides against cache sizes.
631
632 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
633
634         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
635         constant to fpul.
636
637 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
638
639         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
640         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
641         is smaller than the original promoted value.
642         (simplify_subreg): If OP is a SUBREG, try to preserve its
643         SUBREG_PROMOTED_VAR_P information.
644
645 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
646
647         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
648         (VN_INFO_GET): Allocate new objects on the obstack.
649         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
650         for rpo_numbers_temp, for consistency.
651         (free_scc_vn): Free the obstack.
652
653 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
654
655         * doc/invoke.texi: Document -ftree-loop-distribution.
656         * tree-loop-distribution.c: New.
657         * tree-pass.h (pass_loop_distribution): New.
658         * graphds.h (struct graph): Add htab_t indices.
659         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
660         * tree-vectorizer.c (rename_variables_in_loop): Extern.
661         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
662         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
663         * tree-data-ref.c (debug_data_dependence_relations): New.
664         (dump_data_dependence_relation): Also print data references.
665         (free_data_ref): Extern.
666         (same_access_functions): Moved...
667         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
668         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
669         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
670         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
671         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
672         (stmts_from_loop): Skip LABEL_EXPR.
673         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
674         New.
675         (build_rdg): Initialize rdg->indices htab.
676         (free_rdg, stores_from_loop, ref_base_address,
677         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
678         have_similar_memory_accesses_1, ref_base_address_1,
679         remove_similar_memory_refs): New.
680         * tree-data-ref.h: Depend on tree-chrec.h.
681         (debug_data_dependence_relations, free_data_ref): Declared.
682         (same_access_functions): ... here.
683         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
684         New.
685         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
686         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
687         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
688         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
689         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
690         rdg_vertex_for_stmt): Declared.
691         (struct rdg_edge): Add level.
692         (RDGE_LEVEL): New.
693         (free_rdg, stores_from_loop, remove_similar_memory_refs,
694         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
695         Declared.
696         (rdg_has_similar_memory_accesses): New.
697         * tree-vect-analyze.c: Remove unused static decls.
698         * lambda.h (dependence_level): New.
699         * common.opt (ftree-loop-distribution): New.
700         * tree-flow.h (mark_virtual_ops_in_bb, 
701         slpeel_tree_duplicate_loop_to_edge_cfg,
702         rename_variables_in_loop): Declared.
703         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
704         (OBJS-common): Add tree-loop-distribution.o.
705         (tree-loop-distribution.o): New rule.
706         * tree-cfg.c (mark_virtual_ops_in_bb): New.
707         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
708         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
709
710 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
711
712         PR target/33963
713         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
714         other than structures and unions.
715
716 2008-02-28  Richard Guenther  <rguenther@suse.de>
717
718         Revert:
719         2008-02-26  Richard Guenther  <rguenther@suse.de>
720
721         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
722         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
723         (lookup_decl_from_uid): Declare.
724         (remove_decl_from_map): Likewise.
725         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
726         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
727         (decl_for_uid_map): New global hashtable mapping DECL_UID
728         to the decl tree.
729         (init_ttree): Allocate it.
730         (insert_decl_to_uid_decl_map): New helper function.
731         (make_node_stat): Insert new decls into the map.
732         (copy_node_stat): Likewise.
733         (lookup_decl_from_uid): New function.
734         (remove_decl_from_map): Likewise.
735         (print_decl_for_uid_map_statistics): New helper.
736         (dump_tree_statistics): Call it.
737
738         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
739         (referenced_var_iterator): Adjust.
740         (FOR_EACH_REFERENCED_VAR): Adjust.
741         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
742         (num_referenced_vars): Adjust.
743         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
744         (first_referenced_var): Remove.
745         (end_referenced_vars_p): Likewise.
746         (next_referenced_var): Likewise.
747         (referenced_var_iterator_set): New helper function.
748         * tree-dfa.c (referenced_var_lookup): Adjust.
749         (referenced_var_check_and_insert): Likewise.
750         (remove_referenced_var): Likewise.
751         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
752         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
753         (verify_call_clobbering): Likewise.
754         (verify_memory_partitions): Likewise.
755         (init_tree_ssa): Allocate bitmap instead of hashtable for
756         referenced_vars.
757         (delete_tree_ssa): Adjust.
758         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
759         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
760         (compute_tag_properties): Likewise.
761         (set_initial_properties): Likewise.
762         (find_partition_for): Likewise.
763         (update_reference_counts): Likewise.
764         (dump_may_aliases_for): Likewise.
765         * tree-ssa-operands.c (add_virtual_operand): Likewise.
766         (add_call_clobber_ops): Likewise.
767         (add_call_read_ops): Likewise.
768         (get_asm_expr_operands): Likewise.
769         * tree-into-ssa.c (dump_decl_set): Likewise.
770         (update_ssa): Likewise.
771         * tree-sra.c (scan_function): Likewise.
772         (decide_instantiations): Likewise.
773         (scalarize_parms): Likewise.
774         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
775         (dsa_named_for): Likewise.
776         * tree-ssa-structalias.c (update_alias_info): Likewise.
777         (merge_smts_into): Likewise.
778
779 2008-02-27  David Daney  <ddaney@avtrex.com>
780
781         PR target/34409
782         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
783         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
784         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
785         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
786         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
787
788 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
789
790         PR target/25477
791         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
792         (BUILT_IN_NEXTTOWARD): Remove.
793         (BUILT_IN_NEXTTOWARDF): Ditto.
794         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
795         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
796
797 2008-02-27  Tom Tromey  <tromey@redhat.com>
798
799         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
800         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
801
802 2008-02-27  Jan Beulich  <jbeulich@novell.com>
803
804         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
805         update the respective field on newdecl.
806
807 2008-02-27  Revital Eres  <eres@il.ibm.com>
808
809         PR rtl-optimization/34999
810         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
811         crossing edges that ends with a call insn.
812         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
813         call insn and clear the EDGE_CROSSING flag of the crossing edge
814         when fixing fallthru edges.
815
816 2008-02-27  Richard Guenther  <rguenther@suse.de>
817
818         PR middle-end/35390
819         * fold-const.c (fold_unary): Return the correct argument,
820         converted to the result type.
821
822 2008-02-27  Richard Guenther  <rguenther@suse.de>
823
824         PR middle-end/34971
825         * expr.c (expand_expr_real_1): Assert on rotates that operate
826         on partial modes.
827         * fold-const.c (fold_binary): Use the types precision, not the
828         bitsize of the mode if folding rotate expressions.  Build rotates
829         only for full modes.
830
831 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
832
833         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
834         and CPP_PRAGMA_EOL.
835         * c-pragma.c (pragma_ns_name): New typedef.
836         (registered_pp_pragmas): New variable.
837         (c_pp_lookup_pragma): New function.
838         (c_register_pragma_1): If flag_preprocess_only, do nothing
839         for non-expanded pragmas, for expanded ones push pragma's
840         namespace and name into registered_pp_pragmas vector.
841         (c_invoke_pragma_handler): Register OpenMP pragmas even when
842         flag_preprocess_only, don't register GCC pch_preprocess
843         pragma if flag_preprocess_only.
844         * c-opts.c (c_common_init): Call init_pragma even if
845         flag_preprocess_only.
846         * c-pragma.c (c_pp_lookup_pragma): New prototype.
847         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
848         cpp_register_pragma if flag_preprocess_only.
849
850 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
851
852         PR c/28800
853         * c-parser.c (c_parser_translation_unit): Warn for empty
854         translation unit, not empty source file.
855
856 2008-02-26  Paul Brook  <paul@codesourcery.com>
857
858         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
859         operand for Thumb-2.
860         * config/arm/arm.h (reg_class): Add CORE_REGS.
861         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
862         (BASE_REG_CLASS): Use CORE_REGS.
863         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
864         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
865         (REGNO_OK_FOR_INDEX_P): Exclude SP.
866         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
867         ARM_REGNO_OK_FOR_INDEX_P.
868         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
869         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
870         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
871         (ldm/stm peepholes): Ditto.
872         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
873         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
874         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
875         * config/arm/constraints.md: Enable "k" constraint on ARM.
876
877 2008-02-27  Ben Elliston  <bje@au.ibm.com>
878
879         * config/rs6000/rs6000.c: Annotate cache line size field in all
880         instances of struct processor_costs.
881
882 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
883
884         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
885         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
886         jump_bypass): New counters.
887         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
888         * dce.c (gate_ud_dce): Same.
889         (gate_fast_dce): Same.
890         * dse.c (gate_dse1): New function.
891         (gate_dse2): New function.
892         (gate_dse): Merge results of new gate functions.
893         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
894         (gate_handle_jump_bypass): Add dbg_cnt.
895         (gate_handle_gcse): Add dbg_cnt.
896         * ifcvt.c (gate_handle_if_conversion): Same.
897         (gate_handle_if_after_combine): Same.
898         (gate_handle_if_after_reload): Same.
899         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
900
901 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
902
903         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
904         line sizes.
905         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
906
907 2008-02-26  Jason Merrill  <jason@redhat.com>
908
909         PR c++/35315
910         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
911         alone if it's the naming decl for the type's main variant.
912
913 2008-02-26  Tom Tromey  <tromey@redhat.com>
914
915         * system.h (USE_MAPPED_LOCATION): Poison.
916         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
917         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
918         (make_goto_expr_edges): Likewise.
919         (remove_bb): Likewise.
920         (execute_warn_function_return): Likewise.
921         * basic-block.h (struct edge_def) <goto_locus>: Change type to
922         location_t.
923         * c-common.c (fname_decl): Remove old location code.
924         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
925         location code.
926         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
927         variant.
928         (ASM_INPUT_SOURCE_LOCATION): Likewise.
929         (gen_rtx_ASM_INPUT): Likewise.
930         (gen_rtx_ASM_INPUT_loc): Likewise.
931         (get_rtx_asm_OPERANDS): Remove.
932         * cfglayout.c (insn_locators_alloc): Remove old location code.
933         (set_curr_insn_source_location): Likewise.
934         (curr_insn_locator): Likewise.
935         * print-tree.c (print_node): Remove old location code.
936         * tree-mudflap.c (mf_varname_tree): Remove old location code.
937         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
938         * cfgexpand.c (expand_gimple_cond_expr): Don't use
939         location_from_locus.
940         (construct_exit_block): Remove old location code.
941         * emit-rtl.c (force_next_line_note): Remove old location code.
942         * profile.c (branch_prob): Remove old location code.
943         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
944         LOC_LINE): Remove old-location variants.
945         * langhooks.c (lhd_print_error_function): Remove old location
946         code.
947         * configure, config.in: Rebuilt.
948         * configure.ac (--enable-mapped-location): Remove.
949         * c-decl.c (c_init_decl_processing): Remove old location code.
950         (finish_function): Likewise.
951         * recog.c (decode_asm_operands): Remove old location code.
952         * c-pch.c (c_common_read_pch): Remove old location code.
953         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
954         variants.
955         * gimple-low.c (lower_function_body): Remove old location code.
956         * toplev.c (unknown_location): Remove.
957         (push_srcloc): Remove old-location variant.
958         (process_options): Remove old location code.
959         (lang_dependent_init): Likewise.
960         * input.h (UNKNOWN_LOCATION): Move definition.
961         (location_t): Undeprecate.
962         (source_locus): Remove.
963         (location_from_locus): Remove.
964         (struct location_s): Remove.
965         Remove all old-location code.
966         (input_line, input_filename): Remove.
967         * final.c (final_scan_insn): Remove old location code.
968         * diagnostic.c (diagnostic_build_prefix): Remove
969         USE_MAPPED_LOCATION test.
970         * tree.h (gimple_stmt) <locus>: Now a location_t.
971         (tree_exp) <locus>: Likewise.
972         (DECL_IS_BUILTIN): Remove old-location variant.
973         (annotate_with_file_line, annotate_with_locus): Likewise.
974         (expr_locus, set_expr_locus): Update.
975         * tree.c (build1_stat): Remove old location code.
976         (last_annotated_node): Remove.
977         (annotate_with_file_line): Remove old-location variant.
978         (annotate_with_locus): Likewise.
979         (expr_location): Remove old location code.
980         (set_expr_location): Likewise.
981         (expr_has_location): Likewise.
982         (expr_locus): Likewise.
983         (set_expr_locus): Likewise.
984         (expr_filename): Don't use location_from_locus.
985         (expr_lineno): Likewise.
986         * rtl-error.c (location_for_asm): Remove old location code.
987         * c-lex.c (cb_line_change): Remove old location code.
988         (fe_file_change): Likewise.
989         (cb_def_pragma): Likewise.
990         (c_lex_with_flags): Likewise.
991         * gengtype.c (do_typedef): Don't special-case location types.
992         (define_location_structures): Remove.
993         (main): Don't call define_location_structures.
994         * tree-pretty-print.c (dump_implicit_edges): Remove old location
995         code.
996
997 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
998
999         PR 26264
1000         * builtins.def (BUILT_IN_STDARG_START): Remove.
1001         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1002         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1003         * tree-inline.c (inline_forbidden_p_1): Likewise.
1004         
1005 2008-02-26  Richard Guenther  <rguenther@suse.de>
1006
1007         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1008         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1009         (lookup_decl_from_uid): Declare.
1010         (remove_decl_from_map): Likewise.
1011         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1012         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1013         (decl_for_uid_map): New global hashtable mapping DECL_UID
1014         to the decl tree.
1015         (init_ttree): Allocate it.
1016         (insert_decl_to_uid_decl_map): New helper function.
1017         (make_node_stat): Insert new decls into the map.
1018         (copy_node_stat): Likewise.
1019         (lookup_decl_from_uid): New function.
1020         (remove_decl_from_map): Likewise.
1021         (print_decl_for_uid_map_statistics): New helper.
1022         (dump_tree_statistics): Call it.
1023
1024         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1025         (referenced_var_iterator): Adjust.
1026         (FOR_EACH_REFERENCED_VAR): Adjust.
1027         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1028         (num_referenced_vars): Adjust.
1029         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1030         (first_referenced_var): Remove.
1031         (end_referenced_vars_p): Likewise.
1032         (next_referenced_var): Likewise.
1033         (referenced_var_iterator_set): New helper function.
1034         * tree-dfa.c (referenced_var_lookup): Adjust.
1035         (referenced_var_check_and_insert): Likewise.
1036         (remove_referenced_var): Likewise.
1037         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1038         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1039         (verify_call_clobbering): Likewise.
1040         (verify_memory_partitions): Likewise.
1041         (init_tree_ssa): Allocate bitmap instead of hashtable for
1042         referenced_vars.
1043         (delete_tree_ssa): Adjust.
1044         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1045         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1046         (compute_tag_properties): Likewise.
1047         (set_initial_properties): Likewise.
1048         (find_partition_for): Likewise.
1049         (update_reference_counts): Likewise.
1050         (dump_may_aliases_for): Likewise.
1051         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1052         (add_call_clobber_ops): Likewise.
1053         (add_call_read_ops): Likewise.
1054         (get_asm_expr_operands): Likewise.
1055         * tree-into-ssa.c (dump_decl_set): Likewise.
1056         (update_ssa): Likewise.
1057         * tree-sra.c (scan_function): Likewise.
1058         (decide_instantiations): Likewise.
1059         (scalarize_parms): Likewise.
1060         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1061         (dsa_named_for): Likewise.
1062         * tree-ssa-structalias.c (update_alias_info): Likewise.
1063         (merge_smts_into): Likewise.
1064
1065 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1066
1067         PR 34351
1068         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1069         * c-opts.c (c_common_handle_option): Wall enables
1070         Wvolatile-register-var.
1071         * common.opt: Move Wvolatile-register-var to...
1072         * c.opt: ...here.
1073         
1074 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1075
1076         * common.opt (Wlarger-than=): New.
1077         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1078         -Wlarger-than=.
1079         * opts.c (common_handle_option): Handle -Wlarger-than=.
1080         * optc-gen.awk: Likewise.
1081         * opth-gen.awk: Likewise.
1082         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1083         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1084         
1085 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1086
1087         * c-common.c (match_case_to_enum_1): Add appropriate
1088         OPT_W* parameter to warning.
1089         (c_do_switch_warnings): Likewise.
1090         * c-typeck.c (warning_init): Add one more parameter following
1091         'warning' function.
1092         (push_init_level): Update call to warning_init.
1093         (pop_init_level): Likewise.
1094         (add_pending_init): Likewise.
1095         (output_init_element: Likewise.
1096
1097 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1098
1099         PR 28322
1100         * toplev.c (toplev_main): If there are warnings or error, print
1101         errors for ignored options.
1102         * opts.c (ignored_options): New static variable.
1103         (postpone_unknown_option_error): New.
1104         (print_ignored_options): New.
1105         (handle_option): Postpone errors for unknown -Wno-* options.
1106         * opts.h (print_ignored_options): Declare.
1107         
1108 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1109
1110         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1111         to "ghost".
1112
1113 2008-02-25  Richard Guenther  <rguenther@suse.de>
1114
1115         Revert:
1116         2008-02-25  Richard Guenther  <rguenther@suse.de>
1117
1118         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1119         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1120         (lookup_decl_from_uid): Declare.
1121         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1122         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1123         (decl_for_uid_map): New global hashtable mapping DECL_UID
1124         to the decl tree.
1125         (init_ttree): Allocate it.
1126         (insert_decl_to_uid_decl_map): New helper function.
1127         (make_node_stat): Insert new decls into the map.
1128         (copy_node_stat): Likewise.
1129         (lookup_decl_from_uid): New function.
1130         (print_decl_for_uid_map_statistics): New helper.
1131         (dump_tree_statistics): Call it.
1132
1133         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1134         (referenced_var_iterator): Adjust.
1135         (FOR_EACH_REFERENCED_VAR): Adjust.
1136         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1137         (num_referenced_vars): Adjust.
1138         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1139         (first_referenced_var): Remove.
1140         (end_referenced_vars_p): Likewise.
1141         (next_referenced_var): Likewise.
1142         (referenced_var_iterator_set): New helper function.
1143         * tree-dfa.c (referenced_var_lookup): Adjust.
1144         (referenced_var_check_and_insert): Likewise.
1145         (remove_referenced_var): Likewise.
1146         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1147         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1148         (verify_call_clobbering): Likewise.
1149         (verify_memory_partitions): Likewise.
1150         (init_tree_ssa): Allocate bitmap instead of hashtable for
1151         referenced_vars.
1152         (delete_tree_ssa): Adjust.
1153         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1154         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1155         (compute_tag_properties): Likewise.
1156         (set_initial_properties): Likewise.
1157         (find_partition_for): Likewise.
1158         (update_reference_counts): Likewise.
1159         (dump_may_aliases_for): Likewise.
1160         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1161         (add_call_clobber_ops): Likewise.
1162         (add_call_read_ops): Likewise.
1163         (get_asm_expr_operands): Likewise.
1164         * tree-into-ssa.c (dump_decl_set): Likewise.
1165         (update_ssa): Likewise.
1166         * tree-sra.c (scan_function): Likewise.
1167         (decide_instantiations): Likewise.
1168         (scalarize_parms): Likewise.
1169         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1170         (dsa_named_for): Likewise.
1171         * tree-ssa-structalias.c (update_alias_info): Likewise.
1172         (merge_smts_into): Likewise.
1173
1174 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1175
1176         PR fortran/29549
1177         * doc/invoke.texi (-fcx-limited-range): Document new option.
1178         * toplev.c (process_options): Handle -fcx-fortran-rules.
1179         * common.opt: Add documentation for -fcx-fortran-rules.
1180
1181 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1182
1183         PR c/35162
1184         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1185         actual behaviour and C99.
1186         
1187 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1188
1189         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1190         (ASM_CPU_POWER6_SPEC): Likewise.
1191         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1192         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1193         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1194
1195 2008-02-25  Richard Guenther  <rguenther@suse.de>
1196
1197         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1198         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1199         (lookup_decl_from_uid): Declare.
1200         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1201         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1202         (decl_for_uid_map): New global hashtable mapping DECL_UID
1203         to the decl tree.
1204         (init_ttree): Allocate it.
1205         (insert_decl_to_uid_decl_map): New helper function.
1206         (make_node_stat): Insert new decls into the map.
1207         (copy_node_stat): Likewise.
1208         (lookup_decl_from_uid): New function.
1209         (print_decl_for_uid_map_statistics): New helper.
1210         (dump_tree_statistics): Call it.
1211
1212         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1213         (referenced_var_iterator): Adjust.
1214         (FOR_EACH_REFERENCED_VAR): Adjust.
1215         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1216         (num_referenced_vars): Adjust.
1217         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1218         (first_referenced_var): Remove.
1219         (end_referenced_vars_p): Likewise.
1220         (next_referenced_var): Likewise.
1221         (referenced_var_iterator_set): New helper function.
1222         * tree-dfa.c (referenced_var_lookup): Adjust.
1223         (referenced_var_check_and_insert): Likewise.
1224         (remove_referenced_var): Likewise.
1225         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1226         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1227         (verify_call_clobbering): Likewise.
1228         (verify_memory_partitions): Likewise.
1229         (init_tree_ssa): Allocate bitmap instead of hashtable for
1230         referenced_vars.
1231         (delete_tree_ssa): Adjust.
1232         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1233         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1234         (compute_tag_properties): Likewise.
1235         (set_initial_properties): Likewise.
1236         (find_partition_for): Likewise.
1237         (update_reference_counts): Likewise.
1238         (dump_may_aliases_for): Likewise.
1239         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1240         (add_call_clobber_ops): Likewise.
1241         (add_call_read_ops): Likewise.
1242         (get_asm_expr_operands): Likewise.
1243         * tree-into-ssa.c (dump_decl_set): Likewise.
1244         (update_ssa): Likewise.
1245         * tree-sra.c (scan_function): Likewise.
1246         (decide_instantiations): Likewise.
1247         (scalarize_parms): Likewise.
1248         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1249         (dsa_named_for): Likewise.
1250         * tree-ssa-structalias.c (update_alias_info): Likewise.
1251         (merge_smts_into): Likewise.
1252
1253 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1254
1255         PR target/35258
1256         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1257         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1258         * alias.h (nonoverlapping_memrefs_p): Likewise.
1259
1260 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1261
1262         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1263         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1264         __emultls_get_address, __emultls_register_common,
1265         __floatundi?f, and _Unwind_GetIPInfo.
1266         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1267         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1268         (gen_regparm_prefix): Likewise.
1269         (i386_nlm_encode_section_info): Sync with
1270         config/i386/winnt.c:i386_pe_encode_section_info().
1271         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1272         i386_nlm_mangle_decl_assembler_name): New.
1273         (netware_override_options): New.
1274         * config/i386/netware.h (netware_override_options): Declare.
1275         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1276         (i386_nlm_mangle_decl_assembler_name): Declare.
1277         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1278
1279 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1280
1281         PR other/32948
1282         * c-decl.c (grokdeclarator): Remove unused local variables
1283         `typedef_type' and `type_as_written'.
1284         * bb-reorder.c
1285         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1286         unused local variable `has_hot_blocks'.
1287         (fix_crossing_conditional_branches): Remove unused local variable
1288         `prev_bb'.
1289         
1290 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1291
1292         PR middle-end/19984
1293         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1294         using DEF_C99_BUILTIN.
1295         (BUILT_IN_NANF): Ditto.
1296         (BUILT_IN_NANL): Ditto.
1297
1298 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1299             Revital Eres  <eres@il.ibm.com>
1300
1301         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1302         regarding the order of two dependent insns in the same row.
1303
1304 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1305
1306         * stor-layout.c (layout_decl): Do not bump the alignment of a
1307         bit-field to more than byte alignment if it is packed.
1308
1309 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1310
1311         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1312         e300c2 and e300c3.
1313
1314 2008-02-24  Diego Novillo  <dnovillo@google.com>
1315
1316         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1317
1318         PR 33738
1319         * tree-vrp.c (vrp_evaluate_conditional): With
1320         -Wtype-limits, emit a warning when comparing against a
1321         constant outside the natural range of OP0's type.
1322         * c.opt (Wtype-limits): Move ...
1323         * common.opt (Wtype-limits): ... here.
1324
1325 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1326
1327         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1328         * config/rs6000/e300c2c3.md: New file.
1329         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1330         e300c2 and e300c3.
1331         (rs6000_override_options): Add e300c2 and e300c3 cases to
1332         processor_target_table. Do not allow usage of Altivec or Spe
1333         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1334         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1335         * config/rs6000/rs6000.h (processor_type): Add
1336         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1337         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1338         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1339         and ppce300c3. Include e300c2c3.md.
1340
1341 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1342
1343         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1344         instead of TARGET_STRICT_ALIGN.
1345
1346 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1347
1348         * explow.c (memory_address): Assert that the generated address is
1349         valid.
1350
1351 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1352
1353         PR target/25477
1354         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1355         * config/darwin-ppc-ldouble-patch.def: New file.
1356         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1357         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1358         SUBTARGET_INIT_BUILTINS if defined.
1359         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1360         New functions.
1361
1362 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1363
1364         PR rtl-opt/33512
1365         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1366         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1367
1368 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1369
1370         PR pch/35027
1371         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1372         file" warning condtional on -Winvalid-PCH.
1373
1374 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1375
1376         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1377
1378 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1379
1380         PR target/22076
1381         PR target/34256 
1382         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1383         prevent reload from using MMX registers.
1384         (*mov<mode>_internal): Ditto.
1385         (*movv2sf_internal_rex64): Ditto.
1386         (*movv2sf_internal): Ditto.
1387
1388 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1389
1390         PR documentation/31569
1391         * doc/install.texi2html: Use makeinfo --no-number-sections.
1392
1393 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1394
1395         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1396         ensure that we can address an entire entity > 8 bytes.  Don't
1397         generate reg+reg addressing for such data.
1398
1399 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1400
1401         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1402         strings when optimizing for size, unless the target cares about
1403         alignment.
1404
1405 2008-02-22  Tom Tromey  <tromey@redhat.com>
1406
1407         * regclass.c (current_pass): Remove declaration.
1408
1409 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1410
1411         * config/avr/libgcc.S (__RAMPZ__): Define.
1412         (__do_copy_data): Add for devices with 128KB code memory.
1413
1414 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1415
1416         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1417         Use spe_abi.
1418         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1419
1420 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1421
1422         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1423         GENNONACR_REGS.
1424
1425 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1426
1427         PR c/19999
1428         * c-typeck.c (build_binary_op): Warn about floating point
1429         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1430
1431 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1432
1433         PR target/34526
1434         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1435         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1436         add vrsave.
1437         (rs6000_override_options): Set altivec_abi as default, not override,
1438         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1439         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1440         is used; use new member spe_abi.
1441         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1442         spe_abi and altivec_abi.
1443
1444 2008-02-22  Tomas Bily  <tbily@suse.cz>
1445
1446         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1447
1448 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1449
1450         PR bootstrap/35273
1451         * config.build (build_file_translate): Set to `CMD //c' only if
1452         it works.
1453         * Makefile.in (build_file_translate): Improve comment.
1454
1455 2008-02-21  Jan Hubicka  <jh@suse.cz>
1456
1457         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1458         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1459         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1460
1461 2008-02-21  Michael Matz  <matz@suse.de>
1462
1463         PR target/35264
1464         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1465
1466 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1467
1468         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1469         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1470         as insn constraint.
1471         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1472         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1473         SSE_VEC_FLOAT_MODE_P as insn constraint.
1474         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1475         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1476         sse4a_movntdf using MODEF mode iterator.
1477         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1478         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1479         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1480         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1481         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1482         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1483         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1484
1485 2008-02-21  Richard Guenther  <rguenther@suse.de>
1486
1487         * tree.def (PAREN_EXPR): New tree code.
1488         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1489         and PAREN_EXPR.
1490         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1491         * expr.c (expand_expr_real_1): Likewise.
1492         * tree-inline.c (estimate_num_insns_1): Likewise.
1493         * tree-complex.c (expand_complex_move): Likewise.
1494         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1495         as plain x.
1496
1497 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1498
1499         PR target/35225
1500         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1501
1502 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1503
1504         PR target/35190
1505         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1506
1507         * config/sh/sh.c (find_barrier): Don't go past
1508         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1509
1510 2008-02-20  DJ Delorie  <dj@redhat.com>
1511
1512         * config/h8300/h8300.md (insv): Force source operand to be a register.
1513
1514         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1515         as a jump, not as a plain insn.
1516         
1517 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1518
1519         * doc/invoke.texi (Warning Options): Add new option
1520         -Wframe-larger-than=.
1521         (-Wframe-larger-than): Document.
1522
1523         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1524         Add declarations for new option variables.
1525
1526         * final.c (final_start_function): Check the frame size
1527         before emission and issue a Wframe-larger-than warning.
1528
1529         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1530         Add definitions for new option variables.
1531         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1532
1533         * common.opt (Wframe-larger-than=): New option.
1534
1535 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1536
1537         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1538         (<sse>_div<mode>3): Ditto.
1539         (<sse>_vmdiv<mode>3): Ditto.
1540         (<sse>_vmsqrt<mode>2): Ditto.
1541         (*smax<mode>3): Ditto.
1542         (sse5_frcz<mode>2): Ditto.
1543         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1544         as insn constraint.
1545
1546 2008-02-20  Richard Guenther  <rguenther@suse.de>
1547
1548         PR middle-end/35265
1549         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1550         be happy with INTEGRAL_TYPE_P.
1551
1552 2008-02-20  Richard Guenther  <rguenther@suse.de>
1553
1554         * fold-const.c (split_tree): Associate floatig-point expressions
1555         if flag_associative_math is set.
1556
1557 2008-02-20  Richard Guenther  <rguenther@suse.de>
1558
1559         * tree.h (fold_real_zero_addition_p): Declare.
1560         * fold-const.c (fold_real_zero_addition_p): Export.
1561         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1562         floating-point operations with zero and one.
1563
1564 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1565
1566         * doc/install.texi: Correct references to CFLAGS, replacing them
1567         with BOOT_CFLAGS.  Document flags used during bootstrap for
1568         target libraries.
1569                                 
1570 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1571
1572         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1573         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1574         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1575         insn constraint.
1576         (smin<mode>3): Ditto from similar patterns.
1577         (smax<mode>3): Ditto.
1578         (*ieee_smin<mode>3): Ditto.
1579         (*ieee_smax<mode>3): Ditto.
1580         * config/i386/sse.md (sse): New mode attribute.
1581         (mov<mode>): Macroize expander from movv4sf and movv2df using
1582         SSEMODEF2P mode iterator.
1583         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1584         SSE_VEC_FLOAT_MODE_P as insn constraint.
1585         (storent<mode>): Ditto.
1586         (storent<mode>): Macroize expander from storentsf and storentdf using
1587         MODEF mode iterator.
1588         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1589         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1590         (abs<mode>2): Ditto from similar patterns.
1591         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1592         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1593         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1594         (<sse>_vmsqrt<mode>2): Ditto.
1595         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1596         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1597         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1598         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1599         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1600         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1601         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1602         insn constraint.
1603         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1604         iterator and SSE_FLOAT_MODE_P as insn constraint.
1605         (<sse>_ucomi): Ditto from similar patterns.
1606         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1607         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1608         SSE_VEC_FLOAT_MODE_P as insn constraint.
1609         (vcond<mode>): Ditto from similar patterns.
1610         (and<mode>3, *and<mode>3): Ditto.
1611         (<sse>_nand<mode>3): Ditto.
1612         (ior<mode>3, *ior<mode>3): Ditto.
1613         (xor<mode>3, *xor<mode>3): Ditto.
1614         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1615         iterator and SSE_FLOAT_MODE_P as insn constraint.
1616         (*nand<mode>3): Ditto from similar patterns.
1617         (*ior<mode>3): Ditto.
1618         (*xor<mode>3): Ditto.
1619
1620 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1621
1622         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1623         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1624         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1625
1626 2008-02-19  Jan Hubicka  <jh@suse.cz>
1627
1628         * predict.c (tree_bb_level_predictions): Remove variable next
1629         mistakely introduced by previous commit.
1630
1631 2008-02-19  Jan Hubicka  <jh@suse.cz>
1632
1633         * predict.c (predict_paths_leading_to): Rewrite.
1634         (predict_paths_for_bb): New.
1635         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1636
1637 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1638
1639         PR bootstrap/35218
1640         * Makefile.in (build_file_translate): New.
1641         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1642         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1643         * configure.ac (build_file_translate): Substitute it.
1644         * configure: Regenerate.
1645
1646 2008-02-19  Jan Hubicka  <jh@suse.cz>
1647
1648         PR rtl-optimization/34408
1649         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1650         invalid sharing.
1651
1652 2008-02-19  Jan Hubicka  <jh@suse.cz>
1653
1654         PR middle-end/28779
1655         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1656         call_expr.
1657
1658 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1659
1660         PR Ada/35186
1661         * config/i386/i386-modes.def: Revert the last DI alignment
1662         change until Ada people can look into it.
1663
1664 2008-02-19  Nick Clifton  <nickc@redhat.com>
1665
1666         * opts.c (print_specific_help): Fix typo in --help text.
1667
1668 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1669
1670         PR target/35239
1671         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1672         32-bit inline asm without asm alternatives for host GCC < 3.0.
1673
1674 2008-02-19  Richard Guenther  <rguenther@suse.de>
1675
1676         PR tree-optimization/34989
1677         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1678         Allow propagation to INDIRECT_REF if we can simplify only.
1679
1680 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1681
1682         * c-common.c (warn_for_collisions_1): Use appropriate option when
1683         warning.
1684
1685 2008-02-19  Nick Clifton  <nickc@redhat.com>
1686
1687         PR other/31349
1688         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1689         (handle_options): Fix indentation.
1690         (print_filtered_help): If no language-specific options were
1691         displayed tell the user how to list all the options supported by
1692         the language's front-end.
1693         (print_specific_help): Fix indentation and remove duplicate line.
1694         (common_handle_option): Handle the -v option.
1695         For --help enable the display of undocumented options if the -v
1696         switch has been included on the command line.
1697         For --help= check for overlaps in the arguments between the option
1698         classes and the language names and issue a warning when they
1699         cannot be disambiguated.
1700         * c.opt (v): Pass on to the common option handler.
1701
1702 2008-02-19  Revital Eres  <eres@il.ibm.com> 
1703
1704         * modulo-sched.c (sms_schedule): Change dump message when
1705         create_ddg function fails.
1706         (try_scheduling_node_in_cycle): Rename row to cycle.
1707         (print_partial_schedule): Rename CYCLE to ROW.
1708
1709 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1710             Zdenek Dvorak  <ook@ucw.cz>
1711
1712         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1713
1714 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1715
1716         PR target/33555
1717         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1718         (*x86_movdicc_0_m1_se): Ditto.
1719
1720 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1721
1722         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1723         (CMPtype): Define as __gcc_CMPtype.
1724         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1725         (CMPtype): Define as __gcc_CMPtype.
1726
1727 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1728
1729         Support valgrind 3.3 for --enable-checking=valgrind.
1730         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1731         here.
1732         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1733         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1734         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1735         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1736         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1737         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1738         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1739         respectively.
1740         * ggc-zone.c: Similar.
1741         * ggc-page.c: Similar.
1742
1743 2008-02-19  Paul Brook  <paul@codesourcery.com>
1744
1745         PR target/35071
1746         * config/arm/ieee754-df.S: Fix do_it typo.
1747         * config/arm/ieee754-sf.S: Fix do_it typo.
1748
1749 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1750
1751         PR target/35189
1752         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1753         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1754         (OPTION_MASK_ISA_SSE_SET): Likewise.
1755         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1756         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1757         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1758         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1759         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1760         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1761         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1762         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1763         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1764         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1765         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1766         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1767         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1768         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1769         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1770         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1771         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1772         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1773         (OPTION_MASK_ISA_SSE4): Removed.
1774         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1775         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1776         -mXXX.
1777         (override_options): Don't turn on implied SSE/MMX bits in
1778         ix86_isa_flags.
1779
1780 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1781
1782         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1783         32bit host.
1784
1785 2008-02-18  Joey Ye  <joey.ye@intel.com>
1786
1787         PR middle-end/34921
1788         * tree-nested.c (insert_field_into_struct): Set type alignment
1789         to field alignment if the former is less than the latter.
1790
1791 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1792
1793         * BASE-VER: Set to 4.4.0.
1794
1795 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1796
1797         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1798         * doc/cfg.texi: Likewise.
1799         * doc/extend.texi: Likewise.
1800         * doc/gty.texi: Likewise.
1801         * doc/invoke.texi: Likewise.
1802         * doc/loop.texi: Likewise.
1803         * doc/md.texi: Likewise.
1804         * doc/passes.texi: Likewise.
1805         * doc/rtl.texi: Likewise.
1806         * doc/sourcebuild.texi: Likewise.
1807         * doc/tm.texi: Likewise.
1808         * doc/tree-ssa.texi: Likewise.
1809
1810 2008-02-17  Richard Guenther  <rguenther@suse.de>
1811
1812         PR middle-end/35227
1813         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1814         without default definition.
1815
1816 2008-02-17  Richard Guenther  <rguenther@suse.de>
1817
1818         PR tree-optimization/35231
1819         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1820         if A | B != 1.
1821
1822 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1823
1824         Revert:
1825
1826         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
1827         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1828         libgcc_cmp_return mode.
1829
1830 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1831
1832         PR c/28368
1833         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1834
1835 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1836
1837         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1838         multilibs.
1839
1840 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1841
1842         * doc/c-tree.texi: Use `@.' where appropriate.
1843         * doc/extend.texi: Likewise.
1844         * doc/install.texi: Likewise.
1845         * doc/invoke.texi: Likewise.
1846         * doc/loop.texi: Likewise.
1847         * doc/makefile.texi: Likewise.
1848         * doc/md.texi: Likewise.
1849         * doc/passes.texi: Likewise.
1850         * doc/standards.texi: Likewise.
1851         * doc/tm.texi: Likewise.
1852
1853 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1854
1855         PR middle-end/35196
1856         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1857         in entry_bb.
1858         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1859         rather than in entry_bb.
1860
1861 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1862
1863         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1864         libgcc_cmp_return mode.
1865
1866 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1867
1868         PR middle-end/35130
1869         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1870         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1871
1872 2008-02-15  Richard Guenther  <rguenther@suse.de>
1873             Zdenek Dvorak  <ook@ucw.cz>
1874
1875         PR tree-optimization/35164
1876         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1877         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1878         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1879         Only propagate addresses which do not have abnormal SSA_NAMEs
1880         in their operands.
1881
1882 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1883
1884         PR target/35088
1885         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1886
1887 2008-02-15  Jan Hubicka  <jh@suse.cz>
1888
1889         PR middle-end/35149
1890         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1891
1892 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1893
1894         PR middle-end/34621
1895         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1896         when calculating alignment_pad.
1897
1898 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1899
1900         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1901         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1902         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1903         and STACK_BOUNDARY define.
1904
1905 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1906
1907         PR preprocessor/35061
1908         * c-pragma.c (handle_pragma_pop_macro): Check that
1909         pushed_macro_table has been allocated.
1910
1911 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1912
1913         PR middle-end/35136
1914         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1915         (force_gimple_operand): Likewise.
1916         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1917         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1918         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1919         (find_interesting_uses_address): Check addressability and alignment
1920         of the base expression only after substituting bases of IVs into it.
1921
1922 2008-02-14  Michael Matz  <matz@suse.de>
1923
1924         PR target/34930
1925         * function.c (instantiate_virtual_regs_in_insn): Reload address
1926         before falling back to reloading the whole operand.
1927
1928 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1929
1930         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1931         before the first section switch note.
1932
1933 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1934
1935         * doc/bugreport.texi: Update copyright years.
1936         * doc/c-tree.texi: Likewise.
1937         * doc/cfg.texi: Likewise.
1938         * doc/cpp.texi: Likewise.
1939         * doc/cppinternals.texi: Likewise.
1940         * doc/fragments.texi: Likewise.
1941         * doc/frontends.texi: Likewise.
1942         * doc/gcc.texi: Likewise.
1943         * doc/gty.texi: Likewise.
1944         * doc/hostconfig.texi: Likewise.
1945         * doc/implement-c.texi: Likewise.
1946         * doc/libgcc.texi: Likewise.
1947         * doc/loop.texi: Likewise.
1948         * doc/makefile.texi: Likewise.
1949         * doc/options.texi: Likewise.
1950         * doc/passes.texi: Likewise.
1951         * doc/rtl.texi: Likewise.
1952         * doc/sourcebuild.texi: Likewise.
1953         * doc/standards.texi: Likewise.
1954         * doc/tree-ssa.texi: Likewise.
1955         * doc/trouble.texi: Likewise.
1956
1957         * doc/extend.texi: Use @: or add comma where appropriate.
1958         * doc/invoke.texi: Likewise.
1959         * doc/tm.texi: Likewise.
1960
1961 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1962
1963         PR target/34393
1964         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1965         to a reg.
1966
1967 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1968
1969         * doc/md.texi (clz, ctz): Add reference.
1970         * doc/rtl.texi (clz, ctz): Likewise.
1971
1972 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1973
1974         PR other/35148
1975         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1976         srcdir.
1977
1978 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1979
1980         * config/s390/s390.c (struct constant_pool): New field
1981         emit_pool_after added.
1982         (s390_mainpool_start): Set the emit_pool_after flag according
1983         to the section switch notes.
1984         (s390_mainpool_finish): Consider emit_pool_after when emitting
1985         the literal pool at the end of the function.
1986         (s390_chunkify_start): Force literal pool splits at section
1987         switch notes.
1988
1989 2008-02-13  Michael Matz  <matz@suse.de>
1990
1991         PR debug/35065
1992         * var-tracking.c (clobber_variable_part): Correctly traverse the
1993         list.
1994
1995 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1996
1997         PR 29673
1998         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1999         Add -fdump-ipa-inline.
2000         * tree-dump.c (dump_files): Remove tree-inlined dump.
2001         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2002         
2003 2008-02-12  Richard Guenther  <rguenther@suse.de>
2004
2005         PR tree-optimization/35171
2006         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2007         default defs.
2008
2009 2008-02-12  Richard Guenther  <rguenther@suse.de>
2010
2011         PR middle-end/35163
2012         * fold-const.c (fold_widened_comparison): Use get_unwidened in
2013         value-preserving mode.  Disallow final truncation.
2014
2015 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2016
2017         PR middle-end/35136
2018         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2019         code from here to...
2020         (force_gimple_operand): ...here.
2021
2022 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2023
2024         PR c++/35144
2025         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2026         non-compatible pointers.
2027         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2028         different FIELD_DECLs, try harder by comparing field offsets, sizes
2029         and types.
2030
2031         PR inline-asm/35160
2032         * function.c (match_asm_constraints_1): Don't replace the same input
2033         multiple times.
2034
2035 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2036
2037         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2038         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2039         (expand_epilogue): Restore RAMPZ register.
2040         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2041
2042 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2043
2044         * config/i386/cygwin.asm: (__alloca): Correct calling
2045         convention and alignment.
2046         (__chkstk): Force 8 byte stack alignment.
2047
2048 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2049             Richard Guenther  <rguenther@suse.de>
2050
2051         PR tree-optimization/33992
2052         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2053         the zero we compare against.
2054
2055 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2056
2057         PR libfortran/35063
2058         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2059         to CloseHandle after unlocking to prevent accumulation of handle
2060         count.
2061
2062 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2063
2064         PR middle_end/34150
2065         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2066         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2067         and update LABEL_NUSES during and after reload.
2068
2069 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2070
2071         PR middle-end/34627
2072         * combine.c (simplify_if_then_else): Make sure the comparison is
2073         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2074
2075 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2076
2077         PR bootstrap/35051
2078         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2079         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2080         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2081         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2082         * tree.h (get_type_static_bounds): Likewise.
2083
2084 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2085
2086         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2087         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2088         Make -Wfoo language annotations match what the compiler outputs.
2089
2090 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2091
2092         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
2093         intrinsics spu_convts, spu_convtu, spu_convtf.
2094         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2095
2096 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2097
2098         * doc/extend.texi (Function Attributes) <noinline>: Mention
2099         asm ("") as method to keep calls.
2100
2101 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2102
2103         PR other/32754
2104         * doc/options.texi (Options): Replace references to opts.sh with
2105         optc-gen.awk.
2106         * opts-common.c: Likewise.
2107         * optc-gen.awk: Likewise.
2108         
2109 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2110
2111         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2112
2113 2008-02-07  Richard Henderson  <rth@redhat.com>
2114
2115         PR rtl-opt/33410
2116         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2117         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
2118         funny mode.
2119
2120 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2121
2122         PR tree-optimization/35085
2123         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2124         for operand entry oe2 in addition to operand entry oe3 in order to
2125         expose more opportunities for vectorizer sum reduction.
2126
2127 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2128
2129         PR other/35107
2130         * Makefile.in (LIBS): Remove $(GMPLIBS).
2131         (cc1-dummy, cc1): Add $(GMPLIBS).
2132
2133 2008-02-06  Jan Hubicka  <jh@suse.cz>
2134
2135         PR target/23322
2136         * i386.md (moddf_integer): Do not produce partial memory stalls for
2137         targets where it hurts.
2138
2139 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2140
2141         PR target/35083
2142         * optabs.c (expand_float): Do not check for decimal modes when
2143         expanding unsigned integer through signed conversion.
2144
2145 2008-02-06  Nick Clifton  <nickc@redhat.com>
2146
2147         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2148         inside the clobber with a match_operand and duplicated operand
2149         number in the constraint.
2150         (ineqbranchsi): Delete redundant comment.
2151
2152 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2153
2154         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
2155         builtin_define ("__USE_INIT_FINI__").
2156         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2157         -msx multilibs.
2158         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2159
2160 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2161
2162         PR documentation/30330
2163         * doc/invoke.texi (C++ Dialect Options)
2164         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2165         For each warning option -Wfoo that allows -Wno-foo, ensure both
2166         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2167         entry of -Wswitch-default, index -Wnormalized= including the
2168         `=', and -Wlarger-than-@var{len} including @var{len}.
2169
2170 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2171
2172         * config/i386/i386.md (floatunssisf2): Use
2173         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2174         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2175         Macroize expander using MODEF mode iterator.
2176
2177 2008-02-05  Diego Novillo  <dnovillo@google.com>
2178
2179         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2180
2181         PR 33738
2182         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2183
2184 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2185
2186         PR other/35070
2187         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2188
2189 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2190
2191         PR target/35084
2192         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2193         to indicate if a message should be generated.
2194         (init_cumulative_args): Updated.
2195         (function_value_32): Likewise.
2196
2197 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2198
2199         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2200
2201 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2202
2203         PR target/35083
2204         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2205         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2206
2207 2008-02-04  Diego Novillo  <dnovillo@google.com>
2208
2209         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2210
2211         PR 33738
2212         * tree-vrp.c (vrp_evaluate_conditional): With
2213         -Wtype-limits, emit a warning when comparing against a
2214         constant outside the natural range of OP0's type.
2215
2216 2008-02-04  Richard Guenther  <rguenther@suse.de>
2217
2218         PR middle-end/33631
2219         * expr.c (count_type_elements): Give for unions instead of
2220         guessing.
2221
2222 2008-02-04  Richard Guenther  <rguenther@suse.de>
2223
2224         PR middle-end/35043
2225         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2226         to TYPE_DOMAINs base type instead of using bitsizetype here.
2227
2228 2008-02-03  Jason Merrill  <jason@redhat.com>
2229
2230         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2231
2232 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2233
2234         PR other/29972
2235         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2236         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2237         (RS/6000 and PowerPC Options): Fix typos and markup.
2238         * doc/passes.texi (Tree-SSA passes): Likewise.
2239
2240 2008-02-02  Michael Matz  <matz@suse.de>
2241
2242         PR target/35045
2243         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2244         from record_last_reg_set_info.
2245         (record_last_reg_set_info): Take an RTX argument, iterate over all
2246         constituent hardregs.
2247         (record_last_set_info, record_opr_changes): Change calls to
2248         new signature or to record_last_reg_set_info_regno.
2249
2250 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2251
2252         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2253
2254 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2255
2256         PR rtl-optimization/34773
2257         * reg-notes.def (EQUAL): Mention significance of combination of
2258         REG_EQUAL and REG_RETVAL.
2259         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2260         insn that has a REG_RETVAL.
2261
2262 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2263
2264         PR bootstrap/33781
2265         * configure.ac (--enable-fixed-point): Disable unless explicitly
2266         requested on IRIX.
2267         * configure: Regenerate.
2268
2269 2008-02-01  Richard Guenther  <rguenther@suse.de>
2270
2271         PR other/35042
2272         * invoke.texi (-finline-limit): Remove no longer true parts
2273         of the documentation.  Note that there is no default value.
2274
2275 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2276             Mark Mitchell  <mark@codesourcery.com>
2277             Ben Elliston  <bje@au.ibm.com>
2278
2279         PR c/29326
2280         * doc/extend.texi (Other Builtins): Document.
2281
2282 2008-01-31  Tom Browder <tom.browder@gmail.com>
2283
2284         * doc/c-tree.texi (Types): Fix grammar.
2285         (Expression trees): Ditto.
2286         * doc/passes.texi (Tree-SSA passes): Ditto.
2287         
2288         * doc/configterms.texi (Configure Terms): Fix typo.
2289         * doc/cpp.texi (Common Predefined Macros): Ditto.
2290         * doc/md.texi (Machine Constraints): Ditto.
2291         
2292         * doc/makefile.texi (Makefile): Add comma.
2293
2294 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2295             Gerald Pfeifer  <gerald@pfeifer.com>
2296         
2297         * doc/sourcebuild.texi (Front End): Remove references to CVS
2298         and CVSROOT/modules.
2299         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2300         (Back End): Remove reference to CVS.
2301
2302 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2303
2304         PR target/34900
2305         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2306         comment from...
2307         (mips16_gp_pseudo_reg): ...here.
2308         * config/mips/mips.md (load_const_gp): Replace with...
2309         (load_const_gp_<mode>): ...this :P-based insn.
2310
2311 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2312
2313         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2314         options. Minor fixes.
2315         (-std): Move reference to standards closer to where language
2316         standards are first mentioned.
2317         
2318 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2319
2320         PR rtl-optimization/34995
2321         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2322         parameter and return a bool.  If the rtx parameter is nonnull,
2323         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2324         (find_reloads): Update call accordingly.  Pass the new operand
2325         if it needed no address reloads, otherwise pass null.
2326
2327 2008-01-30  Richard Henderson  <rth@redhat.com>
2328
2329         PR c/34993
2330         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2331         for unbounded arrays.
2332
2333 2008-01-30  Silvius Rus  <rus@google.com>
2334
2335         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2336
2337 2008-01-30  Jan Hubicka  <jh@suse.cz>
2338
2339         PR target/34982
2340         * i386.c (init_cumulative_args): Use real function declaration when
2341         calling locally.
2342
2343 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2344
2345         PR rtl-optimization/34998
2346         * global.c (build_insn_chain): Treat non-subreg_lowpart
2347         SUBREGs of pseudos as clobbering all the words covered by the
2348         SUBREG, not just all the bytes.
2349         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2350         original df_ref rather than an extract parameter.
2351         (global_conflicts): Update call accordingly.
2352
2353 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2354
2355         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2356         the overflow check to make it easier to read.
2357         (__fixtfdi): Change the type of the ll member in union
2358         long_double to UDItype_x.
2359
2360 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2361
2362         PR middle-end/34969
2363         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2364         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2365         * tree-inline.c (fold_marked_statements): Call
2366         cgraph_update_edges_for_call_stmt if folding a call statement.
2367         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2368         debug_generic_stmt calls, reset it back afterwards.
2369
2370         PR c/35017
2371         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2372         static decls.
2373         * c-typeck.c (build_external_ref): Don't pedwarn about
2374         static vars in current function's scope.
2375
2376 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2377
2378         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2379
2380 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2381
2382         PR c/35002
2383         * ipa-struct-reorg.c: Fix spelling.
2384         * params.def: Ditto.
2385
2386 2008-01-29  Richard Guenther  <rguenther@suse.de>
2387
2388         PR middle-end/35006
2389         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2390         field.
2391         * tree-inline.c (remap_type): Increment remapping_type_depth
2392         around remapping types.
2393         (copy_body_r): Only add referenced variables if they are referenced
2394         from code, not types.
2395
2396 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2397
2398         PR c++/34055
2399         PR c++/34103
2400         PR c++/34219
2401         PR c++/34606
2402         PR c++/34753
2403         PR c++/34754
2404         PR c++/34755
2405         PR c++/34919
2406         PR c++/34961
2407         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2408         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2409
2410 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2411
2412         PR target/34412
2413         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
2414         pointer for tiny stack.
2415
2416 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2417
2418         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2419
2420 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2421
2422         * config/vx-common.h: Fix typo in comment.
2423
2424 2008-01-28  Ian Lance Taylor  <iant@google.com>
2425
2426         PR c++/34862
2427         PR c++/33407
2428         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2429         coalesce pointers if they have different DECL_NO_TBAA_P values.
2430         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2431         between variables with different DECL_NO_TBAA_P values.
2432
2433 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2434
2435         PR 31535
2436         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2437         are not legitimate small data references on SPE targets.
2438
2439 2008-01-28  David Daney  <ddaney@avtrex.com>
2440
2441         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2442
2443 2008-01-28  David Daney  <ddaney@avtrex.com>
2444
2445         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2446
2447 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2448
2449         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2450         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2451         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2452         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2453         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2454         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2455         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2456         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2457
2458 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2459
2460         * basic-block.h (condjump_equiv_p): Fix comment.
2461
2462 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2463
2464         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2465         print_generic_stmt_indented): Fix comment.
2466
2467 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2468
2469         * configure.ac (__stack_chk_fail): Add detecion for availability
2470         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2471         * configure: Regenerate.
2472
2473 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2474
2475         PR middle-end/34688
2476         * final.c (output_addr_const): Handle TRUNCATE.
2477
2478 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2479
2480         PR target/34711
2481         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2482         (zero_cost, infinite_cost): New constants.
2483         (struct cost_pair): Change type of cost to comp_cost.
2484         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2485         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2486         New functions.
2487         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2488         split_address_cost, ptr_difference_cost, difference_cost,
2489         get_computation_cost_at, get_computation_cost,
2490         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2491         determine_use_iv_cost_condition, determine_use_iv_costs,
2492         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2493         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2494         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2495         Change type of cost to comp_cost.
2496         (determine_iv_cost): Increase cost of non-original ivs, instead
2497         of decreasing the cost of original ones.
2498         (get_address_cost): Indicate the complexity of the addressing mode 
2499         in comp_cost.
2500         (try_add_cand_for): Prefer using ivs not specific to some object.
2501         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2502
2503 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2504             Janis Johnson  <janis187@us.ibm.com>
2505
2506         PR target/34814
2507         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2508         (TARGET_INSTANTIATE_DECLS): Likewise.
2509         * target.h (expand_to_rtl_hook): New target hook.
2510         (instantiate_decls): Likewise.
2511         * function.c (instantiate_decl): Make non-static.  Rename to...
2512         (instantiate_decl_rtl): ... this.
2513         (instantiate_expr): Use instantiate_decl_rtl.
2514         (instantiate_decls_1): Likewise.
2515         (instantiate_decls): Likewise.
2516         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2517         * function.h (instantiate_decl_rtl): Add prototype.
2518         * cfgexpand.c (target.h): New include.
2519         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2520         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2521         (TARGET_INSTANTIATE_DECLS): Likewise.
2522         (TARGET_INITIALIZER): New target hooks added.
2523         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2524         New prototype.
2525         * config/rs6000/rs6000.c (tree-flow.h): New include.
2526         (machine_function): Add sdmode_stack_slot field.
2527         (rs6000_alloc_sdmode_stack_slot): New function.
2528         (rs6000_instantiate_decls): Likewise.
2529         (rs6000_secondary_memory_needed_rtx): Likewise.
2530         (rs6000_check_sdmode): Likewise.
2531         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2532         (TARGET_INSTANTIATE_DECLS): Likewise.
2533         (rs6000_hard_regno_mode_ok): Allow SDmode.
2534         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2535         (rs6000_emit_move): Handle SDmode.
2536         (function_arg_advance): Likewise.
2537         (function_arg): Likewise.
2538         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2539         SDmode var args for 32-bit compiles.
2540         (rs6000_secondary_reload_class): Handle SDmode.
2541         (rs6000_output_function_epilogue): Likewise.
2542         (rs6000_function_value): Simplify if statement.
2543         (rs6000_libcall_value): Likewise.
2544         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2545         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2546         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2547         (movsd_hardfloat): New define_insn.
2548         (movsd_softfloat): Likewise.
2549         (movsd_store): Likewise.
2550         (movsd_load): Likewise.
2551         (extendsddd2): Likewise.
2552         (extendsdtd2): Likewise.
2553         (truncddsd2): Likewise.
2554         (movdd_hardfloat64): Fixup comment.
2555         (UNSPEC_MOVSD_LOAD): New constant.
2556         (UNSPEC_MOVSD_STORE): Likewise.
2557
2558 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2559
2560         PR c++/34965
2561         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2562         TRUTH_XOR_EXPR.
2563         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2564         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2565         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2566         and TRUTH_XOR_EXPR.
2567
2568 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2569
2570         PR target/34794
2571         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2572         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2573         __LONGDOUBLE128 too.
2574         * config/rs6000/aix61.h: New file.
2575
2576 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2577
2578         PR rtl-optimization/34959
2579         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2580         popcount and parity rtxes the same mode as their operand.
2581         Truncate or extend the result to the return value's mode
2582         if necessary.
2583
2584 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2585
2586         PR target/34981
2587         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2588         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2589         to GOT_VERSION_REGNUM.
2590         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2591         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2592         * config/mips/mips.c (mips_emit_call_insn): New function.
2593         (mips_call_tls_get_addr): Call mips_expand_call directly.
2594         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2595         emit_call_insn.
2596         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2597         (mips_expand_call): Update the call to mips16_build_call_stub
2598         accordingly and a remove redundant condition.  Assert that MIPS16
2599         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2600         the call insn.
2601         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2602         TARGET_USE_GOT.
2603         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2604         (mips_avoid_hazard): Remove hazard_set handling.
2605         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2606         (UNSPEC_RESTORE_GP): ...this.
2607         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2608         (FAKE_CALL_REGNO): Rename to...
2609         (GOT_VERSION_REGNUM): ...this.
2610         (type): Add "ghost" value.  Add an associated insn reservation.
2611         (hazard_set): Remove.
2612         (exception_receiver): Rename to...
2613         (restore_gp): ...this and update the unspec identifier accordingly.
2614         (exception_receiver, nonlocal_got_receiver): New expanders.
2615         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2616         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2617         (set_got_version, update_got_version): New patterns.
2618
2619 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2620
2621         PR target/34970
2622         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2623
2624 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2625
2626         PR other/31955
2627         * doc/install.texi2html: Generate gcc-vers.texi.
2628
2629 2008-01-25  DJ Delorie  <dj@redhat.com>
2630
2631         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2632
2633 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2634
2635         * config/c4x: Remove directory.
2636         * config.gcc (crx-*, mt-*): Mark obsolete.
2637         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2638         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2639         sh-*-rtemscoff*): Remove cases.
2640         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2641         * real.c (encode_c4x_single, decode_c4x_single,
2642         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2643         c4x_extended_format): Remove.
2644         * real.h (c4x_single_format, c4x_extended_format): Remove.
2645         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2646         on C4x.
2647         (Pragmas): Remove comment about c4x pragmas.
2648         * doc/install.texi (c4x): Remove target-specific instructions.
2649         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2650         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2651         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2652         refer to C4x source files as examples.
2653         (C4X_FLOAT_FORMAT): Remove documentation.
2654
2655 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2656
2657         * config/bfin/bfin.c (override_options): Reorder tests so that
2658         flag_pic gets enabled for -msep-data.
2659
2660 2008-01-25  Richard Guenther  <rguenther@suse.de>
2661
2662         PR middle-end/32244
2663         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2664         to its bitfield precision if required.
2665
2666 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2667
2668         PR middle-end/33880
2669         * tree-nested.c (walk_omp_for): New function.
2670         (convert_nonlocal_reference, convert_local_reference): Call
2671         walk_omp_for on OMP_FOR.
2672         (convert_call_expr): Call walk_body on OMP_FOR's
2673         OMP_FOR_PRE_INIT_BODY.
2674
2675 2008-01-25  Richard Guenther  <rguenther@suse.de>
2676
2677         PR tree-optimization/34966
2678         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2679         default defs and PHI_NODEs we have to insert after the
2680         defining statement.
2681
2682 2008-01-24  Nick Clifton  <nickc@redhat.com>
2683
2684         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2685         Provide a default definition.
2686         (LIBGCC2_UNITS_PER_WORD): Likewise.
2687
2688         * config/stormy16/stormy16.c: Include df.h for the prototype
2689         for df_regs_ever_live_p.
2690         (xstormy16_expand_builtin_va_start): Convert the stack offset
2691         into a component_ref and then use POINTER_PLUS_EXPR to add it
2692         to the incoming_virtual_args_rtx.
2693         (xstormy16_gimplify_va_arg_expr): Rename to
2694         xstormy16_gimplify_va_arg_expr.
2695         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2696         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2697         xstormy16_gimplify_va_arg_expr.
2698         Fix up some formatting issues.
2699
2700         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2701         Move to predicates.md.
2702         (xs_hi_general_operand): Likewise.
2703         (xs_hi_nonmemory_operand): Likewise.
2704         * config/stormy16/predicates.md:
2705         (xstormy16_carry_plus_operand): New predicate.
2706         (xs_hi_general_operand): New predicate.
2707         (xs_hi_nonmemory_operand): New predicate.
2708         * config/stormy16/stormy16-protos.h:
2709         (xstormy16_carry_plus_operand): Delete prototype.
2710         (xs_hi_general_operand): Likewise.
2711         (xs_hi_nonmemory_operand): Likewise.
2712
2713         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2714         modifiers as they are no longer needed and they can trigger
2715         reload spill failures.
2716
2717         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2718         with a match_operand in order to help reload.
2719
2720         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2721         constraint with 'e' for the 8th alternative as this version of
2722         the mov.w instruction only accepts the lower 8 registers.
2723
2724 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2725
2726         PR target/34856
2727         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2728         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2729         vector elements.
2730
2731 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2732
2733         PR middle-end/33333
2734         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2735
2736 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2737
2738         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2739         New functions.
2740         (remove_structure): Update allocations list before removing structure.
2741         
2742 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2743
2744         * ipa-struct-reorg.c (is_safe_cond_expr, 
2745         create_new_stmts_for_cond_expr): Use integer_zerop function,
2746         that recognize not only zero-pointer, but zero-integer too.
2747
2748 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2749
2750         PR other/22232
2751         * fixproto: Escape "." in sed expression that strips leading "./".
2752
2753 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2754
2755         PR driver/34904
2756         * gcc.c (SWITCH_OK): Removed.
2757         (SWITCH_LIVE): Changed to bit.
2758         (SWITCH_FALSE): Likewise.
2759         (SWITCH_IGNORE): Likewise.
2760         (switchstr): Change live_cond to unsigned int.
2761         (process_command): Replace SWITCH_OK with 0.
2762         (do_self_spec): Likewise.
2763         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2764         (give_switch): Likewise.
2765         (used_arg): Likewise.
2766         (do_spec_1): Set the SWITCH_IGNORE bit.
2767         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2768         bits.  Set the SWITCH_LIVE bit.
2769
2770 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2771
2772         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2773
2774 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2775
2776         PR tree-optimization/34472
2777         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2778         parameter to a "bool *" and set *DATA to false if there is
2779         an unsafe access.  Do not delete the structure here.
2780         (check_cond_exprs): Delete it here instead.
2781         (check_cond_exprs, exclude_cold_structs): Do not increase
2782         I when removing a structure.
2783
2784 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2785
2786         PR target/34856
2787         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2788         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2789
2790 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2791
2792         PR middle-end/34934
2793         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2794         a fixed vector for stack.
2795
2796 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2797
2798         PR c++/25701
2799         * doc/gcc.texi (Software development): Add a direntry for g++.
2800         
2801 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2802
2803         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2804         stale and straggling -fforce-addr comments above.
2805
2806         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2807         define.
2808         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2809         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2810
2811 2008-01-23  Michael Matz  <matz@suse.de>
2812
2813         PR debug/34895
2814         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2815         gen_type_die.
2816
2817 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2818
2819         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2820         malloc result type.
2821
2822 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2823
2824         * config/avr/avr.c (avr_current_arch): New variable.
2825         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2826         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2827         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2828         (avr_override_options): Init 'avr_current_arch'. 
2829         (base_arch_s): Move from here...
2830         * config/avr/avr.h (base_arch_s): ... here. Add new members 
2831         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
2832         'mega' to 'have_jmp_call'.
2833         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
2834         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2835         macros.
2836         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
2837         architectures.
2838         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
2839         MULTILIB_MATCHES): (Ditto.).
2840
2841 2008-01-23  Richard Guenther  <rguenther@suse.de>
2842
2843         PR middle-end/31529
2844         * cgraphunit.c (cgraph_reset_node): Always mark the node
2845         not reachable if it is not queued already.
2846
2847 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2848
2849         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2850         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2851         (cputype_selected): New static variable.
2852         (bfin_handle_option): Set it if -mcpu is used.
2853         (override_option): Select default set of workarounds if no cpu type
2854         selected on the command line.
2855         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2856
2857         From  Michael Frysinger  <michael.frysinger@analog.com>
2858         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2859         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2860
2861         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2862         for bf547, bf523, bf524, and bf526.
2863         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2864         bf526.
2865         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2866         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2867         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2868         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2869         * doc/invoke.texi (Blackfin Options): Document that
2870         -mcpu now accept bf547, bf523, bf524, and bf526.
2871
2872 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2873
2874         PR rtl-optimization/34628
2875         * combine.c (try_combine): Stop and undo after the first combination
2876         if an autoincrement side-effect on the first insn has effectively
2877         been lost.
2878
2879 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2880
2881         PR target/34529
2882         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2883         Offset addresses are not valid for Altivec or paired float modes.
2884
2885 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2886
2887         PR c++/34607
2888         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2889         if DECL_INITIAL (decl) is error_mark_node.
2890
2891         PR c++/34914
2892         * c-common.c (handle_vector_size_attribute): Only allow
2893         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2894         the same way as pointer, array etc. types.
2895         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2896
2897         PR c++/34917
2898         * tree.c (build_type_attribute_qual_variant): Call
2899         build_qualified_type if attributes are equal, but quals are not.
2900
2901 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2902
2903         PR 32102
2904         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2905         * flags.h (warn_strict_aliasing): Remove.
2906         (warn_strict_overflow): Remove.
2907         * opts.c (warn_strict_aliasing): Remove.
2908         (warn_strict_overflow): Remove.
2909         * c-opts.c (c_common_handle_option): -Wall only sets
2910         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2911         (c_common_post_options): Give default values to -Wstrict-aliasing
2912         and -Wstrict-overflow if they are uninitialized.
2913         * common.opt (Wstrict-aliasing): Specify Var and Init.
2914         (Wstrict-overflow): Likewise.
2915
2916 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2917
2918         PR rtl-optimization/26854
2919         PR rtl-optimization/34400
2920         PR rtl-optimization/34884
2921         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2922         DF_RD->gen.
2923         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2924         (df_rd_bb_info.expanded_lr_out): Deleted
2925         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2926         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2927         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2928         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2929         Removed code to allocate, initialize or free expanded_lr_out.
2930         (df_rd_bb_local_compute_process_def): Restructured to make more
2931         understandable.
2932         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2933         sets if the sets are being trimmed.
2934
2935 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2936
2937         PR bootstrap/32287
2938         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2939         (as_vers): Likewise.
2940         * configure: Regenerated.
2941
2942 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2943
2944         PR middle-end/33092
2945         * tree-pass.h (pass_build_alias): New pass.
2946         * tree-ssa-alias.c (gate_build_alias): New.
2947         (pass_build_alias): New.
2948         * passes.c (init_optimization_passes): Add pass_build_alias after
2949         pass_create_structure_vars.
2950
2951 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2952
2953         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2954         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2955         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2956         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2957         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2958         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2959         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2960         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2961         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2962         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2963         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2964         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2965         * config/s390/s390.md (FP_ALL): New mode iterator.
2966         (_d): New mode attribute.
2967         ("*signbit<mode>2>"): Changed mode of first operand.
2968         ("isinf<mode>2"): Changed mode of first operand.
2969         ("*TDC_insn"): Adaptation for DFP modes.
2970
2971 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2972
2973         * tree.c (check_qualified_type): Improve function description.
2974
2975 2008-01-21  Jason Merrill  <jason@redhat.com>
2976
2977         PR c++/34196
2978         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2979         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2980         if it is set.
2981
2982 2008-01-21  DJ Delorie  <dj@redhat.com>
2983
2984         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2985         return zero.
2986
2987 2008-01-21  Richard Guenther  <rguenther@suse.de>
2988
2989         PR middle-end/34856
2990         * tree-cfg.c (verify_expr): Allow all invariant expressions
2991         instead of just constant class ones as reference argument.
2992         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2993         like any other constant.
2994         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2995
2996 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2997
2998         * regmove.c (fixup_match_1): Update call crossed frequencies.
2999
3000 2008-01-21  Richard Guenther  <rguenther@suse.de>
3001
3002         PR c/34885
3003         * tree-inline.c (setup_one_parameter): Deal with mismatched
3004         types using a VIEW_CONVERT_EXPR.
3005
3006 2008-01-21  Alon Dayan  <alond@il.ibm.com>
3007             Olga Golovanevsky  <olga@il.ibm.com>
3008         
3009         PR tree-optimization/34701
3010         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3011         when the structure size is not a power of 2.
3012
3013 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
3014
3015         * doc/install.texi: Add doc for --enable-checking=df.
3016         
3017 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3018
3019         PR rtl-optimization/34808
3020         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3021
3022 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3023
3024         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3025         input.
3026
3027 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3028
3029         PR rtl-optimization/26854
3030         PR rtl-optimization/34400
3031         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3032         DF_RD->gen.
3033         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3034         (df_rd_bb_info.expanded_lr_out): New.
3035         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3036         * loop_iv.c (iv_analysis_loop_init): Ditto.
3037         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3038         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3039         Added code to allocate, initialize or free expanded_lr_out.
3040         (df_rd_bb_local_compute_process_def): Restructured to make
3041         more understandable.
3042         (df_rd_confluence_n): Add code to do nothing with fake edges and
3043         code to no apply invalidate_by_call sets if the sets are being trimmed.
3044         (df_lr_local_finalize): Renamed to df_lr_finalize.
3045         (df_live_local_finalize): Renamed to df_live_finalize.
3046
3047 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3048
3049         PR target/34831
3050         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3051         deciding whether to use reciprocal instructions.
3052
3053 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3054
3055         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3056         dwarf2out_note_section_used if cold_text_section is NULL.
3057
3058 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3059
3060         PR gcov-profile/34610
3061         * tree-cfg.c (make_edges): Mark both outgoing edges from
3062         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3063         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3064         from OMP_FOR and OMP_CONTINUE outgoing edges.
3065
3066         * tree-profile.c (tree_profiling): Return early if
3067         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3068         at the end.
3069         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3070         from cfun to child_cfun.
3071         * function.h (struct function): Add after_tree_profile bit.
3072
3073 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3074
3075         * config/avr/avr.S (_exit): Disable interrupt.
3076
3077 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3078             Steven Bosscher  <stevenb.gcc@gmail.com>
3079
3080         PR rtl-optimization/26854
3081         PR rtl-optimization/34400
3082         * df-problems.c (df_live_scratch): New scratch bitmap.
3083         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3084         (df_live_reset): Clear the proper bitmaps.
3085         (df_live_bb_local_compute): Only process the artificial defs once
3086         since the order is not important.
3087         (df_live_init): Init the df_live sets only with the variables
3088         found live by df_lr.
3089         (df_live_transfer_function): Use the df_lr sets to prune the
3090         df_live sets as they are being computed.  
3091         (df_live_free): Free df_live_scratch.
3092
3093 2008-01-18  Ian Lance Taylor  <iant@google.com>
3094
3095         * common.opt: Add fmerge-debug-strings.
3096         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3097         flag_merge_debug_strings rather than flag_merge_constants.
3098         * doc/invoke.texi (Option Summary): Mention
3099         -fmerge-debug-strings.
3100         (Debugging Options): Document -fmerge-debug-strings.
3101
3102 2008-01-18  Ian Lance Taylor  <iant@google.com>
3103
3104         PR c++/33407
3105         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3106         (struct tree_function_decl): Add new field operator_new_flag.
3107         * tree-inline.c (expand_call_inline): When inlining a call to
3108         operator new, force the return value to go into a variable, and
3109         set DECL_NO_TBAA_P on that variable.
3110         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3111
3112 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3113
3114         PR debug/34484
3115         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3116         DWARF2_DEBUGGING_INFO.
3117         (dwarf2out_note_section_used): Ditto.  Add prototype.
3118         (have_multiple_function_sections, text_section_used,
3119         cold_text_section_used, *cold_text_sections): Move declarations
3120         before their uses.
3121
3122 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3123
3124         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3125         field and add signal_ra.
3126         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3127         assignments to frame state pc.  Move end of stack check after
3128         MD_FALLBACK_FRAME_STATE_FOR.
3129         (uw_update_context_1): Use frame state signal_regs if set, instead
3130         of checking signal_frame flag.
3131         (uw_update_context): Use frame state signal_ra if set.
3132         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3133         * config/xtensa/linux-unwind.h: New file.
3134
3135 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3136
3137         * modulo-sched.c (get_sched_window): Fix comment typo.
3138
3139 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3140
3141         PR tree-optimization/34648
3142         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3143
3144 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3145
3146         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3147         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3148
3149 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3150
3151         PR rtl-optimization/34400
3152         * df-core.c (df_worklist_dataflow_overeager,
3153         df_worklist_dataflow_doublequeue): New functions.
3154         (df_worklist_dataflow): Two different worklist solvers.
3155         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3156         New param.
3157
3158 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3159
3160         PR testsuite/34821
3161         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3162         and ftree-parallelize-loops.
3163
3164 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3165
3166         PR rtl-optimization/34826
3167         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3168
3169 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3170
3171         * global.c (find_reg): Mark the eh regs as used if necessary.
3172         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3173         * ra.h (struct allocno): no_eh_reg field added.  Changed
3174         no_stack_reg type to bitfield.
3175
3176 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3177
3178         * tree.c (substitute_in_expr): Add missing 'break'.
3179
3180 2008-01-17  Richard Guenther  <rguenther@suse.de>
3181
3182         PR tree-optimization/34825
3183         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3184         x / x as division to handle.
3185
3186 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3187
3188         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3189         "-pthread" is specified.
3190         * pa-hpux11.h (LIB_SPEC): Likewise.
3191
3192 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3193             Peter Bergner  <bergner@vnet.ibm.com>
3194
3195         PR rtl-optimization/33796
3196         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3197
3198 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3199
3200         PR libgfortran/34699
3201         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3202         static links.
3203         * pa-hpux10.h (LINK_SPEC): Likewise.
3204         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3205
3206 2008-01-16  Richard Guenther  <rguenther@suse.de>
3207
3208         PR middle-end/32628
3209         * fold-const.c (fold_convert_const_int_from_int): Do not
3210         set overflow if that occured only because of a sign extension
3211         change when converting from/to a sizetype with the same
3212         precision and signedness.
3213
3214 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3215
3216         PR debug/34249
3217         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3218         location address to the correct place.  Update copyright year.
3219
3220 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3221
3222         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3223         no dependences in the dependence_relations vector.
3224
3225 2008-01-16  Jan Hubicka  <jh@suse.cz>
3226
3227         PR rtl-optimization/31396
3228         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3229         * cfg.c (dump_reg_info): Print it.
3230         * regs.h (struct reg_info_t): add freq_calls_crossed.
3231         (REG_FREQ_CALLS_CROSSED): New macro.
3232         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3233         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3234         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3235         regmove_optimize): Update call crossed frequencies.
3236         * local-alloc.c (struct qty): Add freq_calls_crossed.
3237         (alloc_qty): Copute freq_calls_crossed.
3238         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3239         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3240         * ra.h (struct allocno): Add freq_calls_crossed.
3241
3242 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3243
3244         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3245         libgomp when compiling with ftree-parallelize-loops.
3246         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3247
3248 2008-01-16  Richard Guenther  <rguenther@suse.de>
3249
3250         PR tree-optimization/34769
3251         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3252         * tree.c (int_cst_value): Instead make this function more
3253         permissive in what it accepts as valid input.  Document this
3254         function always sign-extends the value.
3255
3256 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
3257             Richard Guenther  <rguenther@suse.de>
3258
3259         PR c/34668
3260         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3261         (gimple_fold_indirect_ref_rhs): ... this.
3262         (gimple_fold_indirect_ref): New function with foldings
3263         that preserve lvalueness.
3264         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3265         * tree-flow.h (gimple_fold_indirect_ref): Declare.
3266         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3267         to fold an INDIRECT_REF, fall back to the old use of
3268         fold_indirect_ref_1.
3269
3270 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3271
3272         * tree-data-ref.c (subscript_dependence_tester_1): Call 
3273         free_conflict_function.
3274         (compute_self_dependence): Same.
3275
3276 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3277
3278         PR debug/34249
3279         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3280         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
3281         function global.
3282         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3283         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3284         for DWARF2_UNWIND_INFO targets.
3285
3286 2008-01-16  Richard Guenther  <rguenther@suse.de>
3287
3288         PR c/34768
3289         * c-typeck.c (common_pointer_type): Do not merge inconsistent
3290         type qualifiers for function types.
3291
3292 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
3293
3294         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3295         loop_iterator li from previous commit.
3296
3297 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3298
3299         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3300
3301 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3302
3303         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3304         (parallelize_loops): Don't parallelize irreducible components.
3305
3306 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3307
3308         PR c++/24924
3309         * c-opts (c_common_post_options): Do not enable CPP
3310         flag_pedantic_errors by default.
3311         
3312 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
3313
3314         PR rtl-optimization/31944
3315         * cse.c (remove_pseudo_from_table): New function.
3316         (merge_equiv_classes): Use above function to remove pseudo-registers.
3317         (invalidate): Likewise.
3318
3319 2008-01-13  Richard Guenther  <rguenther@suse.de>
3320
3321         PR middle-end/34601
3322         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3323         instead of TYPE_MODE to deal with calls from expand_one_error_var.
3324
3325 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
3326
3327         * gcse.c (cprop_jump): Call validate_unshare_change instead of
3328         validate_change to unshare the source of the PC set.
3329
3330 2008-01-12  Jan Hubicka  <jh@suse.cz>
3331
3332         PR middle-end/32135
3333         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3334         references above array bounds.  This might trigger bounds checks for
3335         pointers to arrays.
3336
3337 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3338
3339         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3340         new_replaceable_dependencies.
3341
3342 2008-01-12  Doug Kwan  <dougkwan@google.com>
3343
3344         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3345         instead of OPT_Wreturn_type in warning due to ignored return type
3346         qualifiers.
3347         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3348         options included in -Wextra.
3349         * c.opt: New option -Wignored_qualifiers.
3350         * doc/invoke.texi (Warning Options, -Wextra): Add new option
3351         -Wignore_qualifiers.
3352         (-Wignored-qualifiers): Document.
3353         (-Wreturn-type): Remove description of functionality now handled
3354         by -Wignored-qualifiers.
3355
3356 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
3357
3358         PR ada/33788
3359         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3360         NOP_EXPR if it is between integral types with the same precision.
3361
3362 2008-01-12  Jan Hubicka  <jh@suse.cz>
3363
3364         PR other/28023
3365         * invoke.texi (max-inline-recursive-depth): Fix default value.
3366
3367 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
3368
3369         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3370         correct type.
3371
3372 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
3373         
3374         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3375         
3376 2008-01-11  James E. Wilson  <wilson@specifix.com>
3377
3378         PR target/26015
3379         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3380
3381 2008-01-11  Anatoly Sokolov <aesok@post.ru>
3382
3383         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
3384         save/restore frame pointer register and don't use 'call-prologues' 
3385         optimization in function with "OS_task" attribute.
3386
3387 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3388
3389         PR middle-end/31309
3390         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3391         when copying to memory.
3392
3393 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
3394
3395         PR rtl-optimization/30905
3396         * cfgcleanup.c: Include dce.h
3397         (crossjumps_occured): New global variable.
3398         (try_crossjump_bb): Exit loop after finding a fallthru edge.
3399         If something changed, set crossjumps_occured to true.
3400         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3401         Don't add/remove fake edges to exit here...
3402         (cleanup_cfg): ...but do it here, when crossjumping.
3403         Run a fast DCE when successful crossjumps occured in the latest
3404         iteration of try_optimize_cfg.
3405
3406 2008-01-11  Richard Guenther  <rguenther@suse.de>
3407
3408         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3409         (struct vn_unary_op_s): Likewise.
3410         (vn_reference_insert): Free old reference on hash collision.
3411
3412 2008-01-10  Raksit Ashok  <raksit@google.com>
3413
3414         PR rtl-optimization/27971
3415         * combine.c (find_split_point): Split PLUS expressions which are
3416         inside a MEM rtx, and whose first operand is complex.
3417
3418 2008-01-10  DJ Delorie  <dj@redhat.com>
3419
3420         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
3421         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
3422         (m32c_hard_regno_ok): Call the underlying function.
3423
3424 2008-01-10  Richard Guenther  <rguenther@suse.de>
3425
3426         PR middle-end/34683
3427         * tree-cfg.c (tree_merge_blocks): Do not go through the
3428         full-blown folding and stmt updating path if we just deal
3429         with virtual operands.
3430         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3431         test for abnormal SSA_NAMEs.
3432
3433 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3434
3435         PR middle-end/34641
3436         * reload.c (push_reload): Add assertions.  All constants from
3437         reg_equiv_constant should have been used for replacing the respective
3438         pseudo earlier.
3439         (find_reloads_address): Invoke find_reloads_address_part for
3440         constant taken from the reg_equiv_constant array.
3441
3442 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
3443
3444         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3445         field (valnum) the first in the struct.  Replace bools with
3446         unit bit fields.
3447
3448 2008-01-10  Richard Guenther  <rguenther@suse.de>
3449
3450         PR tree-optimization/34651
3451         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
3452         types and ordering for masking and converting.
3453
3454 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
3455
3456         PR tree-optimization/34017
3457         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3458         also for PHI_NODE expressions.
3459
3460 2008-01-09  Jan Hubicka  <jh@suse.cz>
3461
3462         PR tree-optimization/34708
3463         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3464         based on number of case labels.
3465         (init_inline_once): Remove switch_cost.
3466         * tree-inline.h (eni_weights_d): Remove switch_cost.
3467
3468 2008-01-09  Richard Guenther  <rguenther@suse.de>
3469         Andrew Pinski  <andrew_pinski@playstation.sony.com>
3470
3471         PR middle-end/30132
3472         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3473         temporary if an rvalue is ok or an lvalue is not required.
3474
3475 2008-01-09  Richard Guenther  <rguenther@suse.de>
3476
3477         PR middle-end/34458
3478         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3479         adjust return type.
3480
3481 2008-01-09  Richard Guenther  <rguenther@suse.de>
3482
3483         PR middle-end/34679
3484         * tree.c (host_integerp): Check for sizetype only if the
3485         type is an integer type.
3486
3487 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3488
3489         PR debug/26364
3490         * opts.c (decode_options): Disable inlining of functions called
3491         once if not in unit-at-a-time mode.
3492
3493 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3494
3495         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3496
3497 2008-01-08  Richard Guenther  <rguenther@suse.de>
3498
3499         PR middle-end/31863
3500         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3501         out early if the result will be unused.
3502
3503 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3504
3505         PR target/34709
3506         Revert:
3507
3508         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3509         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3510         for TARGET_RECIP.       
3511         
3512 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3513         
3514         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3515         for vectorization tuned.
3516         
3517 2008-01-08  Richard Guenther  <rguenther@suse.de>
3518
3519         PR tree-optimization/34683
3520         * tree-ssa-operands.c (operand_build_cmp): Export.
3521         * tree-ssa-operands.h (operand_build_cmp): Declare.
3522         * tree-vn.c (vuses_compare): Remove.
3523         (sort_vuses): Use operand_build_cmp.
3524         (sort_vuses_heap): Likewise.
3525         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3526         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3527         (vdefs_to_vec): Do not sort already sorted VDEFs.
3528
3529 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3530
3531         PR middle-end/34694
3532         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3533
3534 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3535
3536         PR target/34702
3537         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3538         limitations of reciprocal sequences on x86 targets.
3539
3540 2008-01-08  Richard Guenther  <rguenther@suse.de>
3541
3542         PR tree-optimization/34683
3543         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3544
3545 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3546
3547         PR target/34622
3548         * config/darwin.c (darwin_mergeable_string_section): Don't use
3549         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3550
3551 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3552
3553         PR target/34682
3554         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3555         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3556         predicates of op0 and op1 to register_operand.
3557         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3558         expander using X87MODEF mode iterator.  Change predicates of
3559         op0 and op1 to register_operand.
3560         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3561         corresponding patterns and macroize using MODEF macro.  Change
3562         predicates of op0 and op1 to register_operand and remove
3563         "m" constraint. Disparage "r" alternative with "!".
3564         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3565         macroize using X87MODEF macro.  Change predicates of op0 and op1
3566         to register_operand and remove "m" constraint.  Disparage "r"
3567         alternative with "!".
3568         (absneg splitter with memory operands): Remove.
3569         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3570         patterns and macroize using X87MODEF mode iterator.
3571         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3572         Change predicate of op1 to register_operand.
3573         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3574         for memory operands.
3575
3576 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3577
3578         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3579
3580 2008-01-07  Richard Guenther  <rguenther@suse.de>
3581
3582         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3583         fields.
3584
3585 2008-01-07  Richard Guenther  <rguenther@suse.de>
3586
3587         PR tree-optimization/34683
3588         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3589         VOPs of the needed size to save memory.  Use VEC_quick_push
3590         to save compile-time.
3591         (vdefs_to_vec): Likewise.
3592
3593 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3594
3595         * config/spu/spu.md (divdf3): Genetate inline code for double
3596         division.  The implementation doesn't handle INF or NAN, therefore it
3597         only applies when -ffinite-math-only is given.
3598
3599 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3600
3601         PR libstdc++/34680
3602         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3603         * doc/cpp.texi ([Common Predefined Macros]): Document.
3604
3605 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3606
3607         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3608         order to use commutative addition instead of subtraction.
3609
3610 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3611             Mircea Namolaru  <namolaru@il.ibm.com>
3612             Vladimir Yanovsky  <yanov@il.ibm.com>
3613             Revital Eres  <eres@il.ibm.com>
3614
3615         PR tree-optimization/34263
3616         * tree-outof-ssa.c (process_single_block_loop_latch,
3617         contains_tree_r): New functions.
3618         (analyze_edges_for_bb): Call process_single_block_loop_latch
3619         function to empty single-basic-block latch block if possible.
3620
3621 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3622
3623         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3624         for TARGET_RECIP.
3625         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3626
3627 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3628
3629         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3630
3631 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3632
3633         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3634
3635 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3636
3637         PR tree-optimization/34618
3638         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3639         flag from T.
3640
3641 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3642
3643         PR target/34673
3644         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3645         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3646         Update copyright year.
3647
3648         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3649         Update copyright year.
3650         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3651         using NR fixup.
3652
3653 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3654
3655         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3656         edge does not point to current bb before changing need_assert.
3657
3658 2008-01-04  Richard Guenther  <rguenther@suse.de>
3659
3660         PR middle-end/34029
3661         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3662         for verifying purposes if they are is_gimple_min_invariant.
3663
3664 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3665
3666         PR tree-optimization/34448
3667         PR tree-optimization/34465
3668         * gimplify.c (gimplify_init_constructor): Add new parameter
3669         notify_temp_creation.  Use it.
3670         (gimplify_modify_expr_rhs): Take volatiles into account when
3671         optimizing constructors.
3672         Do not optimize constructors if gimplify_init_constructor will dump to
3673         memory.
3674         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3675         * gcc.c-torture/compile/pr34448.c: New.
3676
3677 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3678
3679         PR gcov-profile/34609
3680         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3681         return_slot if result is TREE_ADDRESSABLE.
3682
3683 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3684
3685         * config/mips/mips.md (sqrt_condition): Tweak comment.
3686         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3687
3688 2008-01-03  Tom Tromey  <tromey@redhat.com>
3689
3690         PR c/34457
3691         * c-common.c (c_type_hash): Handle VLAs.
3692
3693 2008-01-03  Jan Hubicka  <jh@suse.cz>
3694
3695         PR tree-optimization/31081
3696         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3697         0 when inlining and not inlining to first basic block.
3698         (remap_decl): When var is initialized to 0, don't set default_def.
3699         (expand_call_inline): Set entry_bb.
3700         * tree-inline.h (copy_body_data): Add entry_bb.
3701
3702 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3703
3704         PR c++/34619
3705         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3706         before returning.
3707
3708         PR tree-optimization/29484
3709         * tree-inline.c (inline_forbidden_p_2): New function.
3710         (inline_forbidden_p): Disallow inlining if some static var
3711         has an address of a local LABEL_DECL in its initializer.
3712         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3713         vs. inlining.
3714
3715 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3716
3717         PR tree-optimization/34635
3718         * tree-data-ref.c (add_other_self_distances): Make sure that the
3719         evolution step is constant.
3720
3721 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3722
3723         PR middle-end/34608
3724         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3725
3726 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3727
3728         * tree-sra.c (scalarize_init): Insert the generate_element_init
3729         statements after the generate_element_zero statements.
3730
3731 2008-01-02  Richard Guenther  <rguenther@suse.de>
3732
3733         PR middle-end/34093
3734         PR middle-end/31976
3735         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3736         for very large number of operands instead of ICEing.
3737
3738 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3739
3740         PR target/34013
3741         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3742         while stack probing.
3743
3744 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3745
3746         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3747         in C++0x mode.
3748
3749 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3750
3751         PR libmudflap/26442
3752         * tree-mudflap.c (mx_register_decls): Guard warning by
3753         !DECL_ARTIFICIAL check.
3754
3755 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3756
3757         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3758         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3759         sse5_perm<mode>): Fix constraints.