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2008-06-06 Nicolas Setton <setton@adacore.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-06-06  Nicolas Setton  <setton@adacore.com>
2             Olivier Hainque  <hainque@adacore.com>
3
4         * ada-tree.h (DECL_PARALLEL_TYPE): New language specific
5         attribute, parallel descriptive type attached to another
6         type for debug info generation purposes.
7         * utils.c (add_parallel_type): New function, register
8         parallel type to be attached to a type.
9         (get_parallel_type): New function, fetch a registered
10         parallel type, if any.
11         (rest_of_record_type_compilation): Register the parallel
12         type we make for variable size records.
13         * gigi.h (add_parallel_type, get_parallel_type): Declare.
14         * decl.c (gnat_to_gnu_entity, maybe_pad_type): Register the
15         parallel debug types we make.
16         * trans.c (extract_encoding, decode_name): New functions.
17         (gigi): If the DWARF attribute extensions are available, setup
18         to use them.
19         * lang.opt: Register language specific processing request
20         for -gdwarf+.
21         * misc.c (gnat_dwarf_extensions): New global variable. How much
22         do we want of our DWARF extensions. 0 by default.
23         (gnat_handle_option) <OPT_gdwarf_>: Increment gnat_dwarf_extensions.
24         (gnat_post_options): Map gnat_dwarf_extensions to the
25         commonuse_gnu_debug_info_extensions for later processing.
26         
27 2008-06-06 Uros Bizjak <ubizjak@gmail.com>
28
29         PR rtl-optimization/36438
30         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
31         for vector shifts with constant scalar shift operands.
32
33 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
34
35         * doc/invoke.texi: Document -march=xlr.
36         * config/mips/xlr.md: New file.
37         * config/mips/mips.md: Include it.
38         (cpu): Add "xlr".
39         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
40         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
41         (mips_rtx_cost_data): Likewise.
42
43 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
44
45         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
46         PRE_INC and PRE_DEC cases.
47
48 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
49
50         PR rtl-optimization/36419
51         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
52         the emitting jump insn.
53
54         PR target/36362
55         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
56         is not bool, boolify the whole *expr_p and convert to the desired type.
57
58 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
59
60         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
61         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
62         Add omp_private_outer_ref hook, add another argument to
63         omp_clause_default_ctor hook.
64         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
65         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
66         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
67         hook_tree_tree_tree_tree_null.
68         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
69         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
70         * hooks.c (hook_tree_tree_tree_tree_null): New function.
71         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
72         * tree.def (OMP_TASK): New tree code.
73         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
74         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
75         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
76         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
77         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
78         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
79         OMP_CLAUSE_COLLAPSE_EXPR): Define.
80         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
81         (OMP_DIRECTIVE_P): Add OMP_TASK.
82         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
83         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
84         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
85         and OMP_CLAUSE_UNTIED entries.
86         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
87         num_ops to 2.
88         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
89         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
90         * tree-pretty-print.c (dump_omp_clause): Handle
91         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
92         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
93         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
94         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
95         warning about unsigned iterators.  Change decl/init/cond/incr
96         arguments to TREE_VECs, check arguments for all collapsed loops.
97         (c_finish_omp_taskwait): New function.
98         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
99         ws_clauses.
100         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
101         default_function_array_conversion on init.  Add par_clauses argument.
102         If decl is present in parallel's lastprivate clause, change it to
103         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
104         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
105         collapse count in clauses.
106         (c_parser_omp_for, c_parser_omp_parallel): Adjust
107         c_parser_omp_for_loop callers.
108         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
109         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
110         (c_parser_omp_clause_name): Handle collapse and untied clauses.
111         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
112         functions.
113         (c_parser_omp_clause_schedule): Handle schedule(auto).
114         Include correct location in the error message.
115         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
116         and PRAGMA_OMP_CLAUSE_UNTIED.
117         (OMP_TASK_CLAUSE_MASK): Define.
118         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
119         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
120         * tree-nested.c (convert_nonlocal_omp_clauses,
121         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
122         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
123         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
124         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
125         OMP_CLAUSE_DECL.
126         (conver_nonlocal_reference, convert_local_reference,
127         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
128         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
129         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
130         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
131         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
132         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
133         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
134         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
135         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
136         OMP_CLAUSE_UNTIED.
137         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
138         * c-common.h (c_finish_omp_taskwait): New prototype.
139         * gimple-low.c (lower_stmt): Handle OMP_TASK.
140         * tree-parloops.c (create_parallel_loop): Create 1 entry
141         vectors for OMP_FOR_{INIT,COND,INCR}.
142         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
143         (make_edges): Handle OMP_TASK.
144         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
145         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
146         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
147         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
148         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
149         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
150         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
151         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
152         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
153         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
154         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
155         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
156         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
157         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
158         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
159         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
160         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
161         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
162         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
163         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
164         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
165         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
166         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
167         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
168         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
169         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
170         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
171         original iterator is present in lastprivate clause or if
172         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
173         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
174         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
175         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
176         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
177         if it is set, lookup var in outer contexts too.  Handle
178         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
179         to be implicitly determined firstprivate for task regions.
180         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
181         if it is set, lookup var in outer contexts too.  Set
182         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
183         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
184         OMP_CLAUSE_UNTIED.  Take region_type as last argument
185         instead of in_parallel and in_combined_parallel.
186         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
187         Adjust callers.
188         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
189         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
190         (new_omp_context): Set default_kind to
191         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
192         (omp_region_type): New enum.
193         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
194         fields, add region_type.
195         (new_omp_context): Take region_type as argument instead of is_parallel
196         and is_combined_parallel.
197         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
198         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
199         ctx->is_combined_parallel checks.
200         (gimplify_omp_task): New function.
201         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
202         OMP_CLAUSE_UNTIED.
203         * omp-low.c (extract_omp_for_data): Use schedule(static)
204         for schedule(auto).  Handle pointer and unsigned iterators.
205         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
206         Add loops argument.  Extract data for collapsed OMP_FOR loops.
207         (expand_parallel_call): Assert sched_kind isn't auto,
208         map runtime schedule to index 3.
209         (struct omp_for_data_loop): New type.
210         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
211         Add loop, loops, collapse and iter_type fields.
212         (workshare_safe_to_combine_p): Disallow combined for if
213         iter_type is unsigned long long.  Don't combine collapse > 1 loops
214         unless all bounds and steps are constant.  Adjust extract_omp_for_data
215         caller.
216         (expand_omp_for_generic): Handle pointer, unsigned and long long
217         iterators.  Handle collapsed OMP_FOR loops.  Adjust
218         for struct omp_for_data changes.  If libgomp function doesn't return
219         boolean_type_node, add comparison of the return value with 0.
220         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
221         pointer, unsigned and long long iterators.  Adjust for struct
222         omp_for_data changes.
223         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
224         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
225         unsigned long long.  Allocate loops array, pass it to
226         extract_omp_for_data.  For collapse > 1 loops use always
227         expand_omp_for_generic.
228         (omp_context): Add sfield_map and srecord_type fields.
229         (is_task_ctx, lookup_sfield): New functions.
230         (use_pointer_for_field): Use is_task_ctx helper.  Change first
231         argument's type from const_tree to tree.  Clarify comment.
232         In OMP_TASK disallow copy-in/out sharing.
233         (build_sender_ref): Call lookup_sfield instead of lookup_field.
234         (install_var_field): Add mask argument.  Populate both record_type
235         and srecord_type if needed.
236         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
237         in srecord_type.
238         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
239         and DECL_FIELD_OFFSET.
240         (scan_sharing_clauses): Adjust install_var_field callers.  For
241         firstprivate clauses on explicit tasks allocate the var by value in
242         record_type unconditionally, rather than by reference.
243         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
244         Use is_taskreg_ctx instead of is_parallel_ctx.
245         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
246         (create_omp_child_function_name): Add task_copy argument, use
247         *_omp_cpyfn* names if it is true.
248         (create_omp_child_function): Add task_copy argument, if true create
249         *_omp_cpyfn* helper function.
250         (scan_omp_parallel): Adjust create_omp_child_function callers.
251         Rename parallel_nesting_level to taskreg_nesting_level.
252         (scan_omp_task): New function.
253         (lower_rec_input_clauses): Don't run constructors for firstprivate
254         explicit task vars which are initialized by *_omp_cpyfn*.  
255         Pass outer var ref to omp_clause_default_ctor hook if
256         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
257         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
258         OMP_CLAUSE_REDUCTION_INIT.
259         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
260         avoid duplicate setting of fields.  Handle
261         OMP_CLAUSE_PRIVATE_OUTER_REF.
262         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
263         copy-out if TREE_READONLY, only copy-in.
264         (expand_task_copyfn): New function.
265         (expand_task_call): New function.
266         (struct omp_taskcopy_context): New type.
267         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
268         New functions.
269         (lower_omp_parallel): Rename to...
270         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
271         Call create_task_copyfn if srecord_type is needed.  Adjust
272         sender_decl type.
273         (task_shared_vars): New variable.
274         (check_omp_nesting_restrictions): Warn if work-sharing,
275         barrier, master or ordered region is closely nested inside OMP_TASK.
276         Add warnings for barrier if closely nested inside of work-sharing,
277         ordered, or master region.
278         (scan_omp_1): Call check_omp_nesting_restrictions even for
279         GOMP_barrier calls.  Rename parallel_nesting_level to
280         taskreg_nesting_level.  Handle OMP_TASK.
281         (lower_lastprivate_clauses): Even if some lastprivate is found on a
282         work-sharing construct, continue looking for them on parent parallel
283         construct.
284         (lower_omp_for_lastprivate): Add lastprivate clauses
285         to the beginning of dlist rather than end.  Adjust for struct
286         omp_for_data changes.
287         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
288         not after it.  Handle collapsed OMP_FOR loops, adjust for
289         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
290         (get_ws_args_for): Adjust extract_omp_for_data caller.
291         (scan_omp_for): Handle collapsed OMP_FOR
292         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
293         (lower_omp_single_simple): If libgomp function doesn't return
294         boolean_type_node, add comparison of the return value with 0.
295         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
296         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
297         (parallel_nesting_level): Rename to...
298         (taskreg_nesting_level): ... this.
299         (is_taskreg_ctx): New function.
300         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
301         of is_parallel_ctx.
302         (execute_lower_omp): Rename parallel_nesting_level to
303         taskreg_nesting_level.
304         (expand_omp_parallel): Rename to...
305         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
306         Call omp_task_call for OMP_TASK regions.
307         (expand_omp): Adjust caller, handle OMP_TASK.
308         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
309
310         * bitmap.c (bitmap_default_obstack_depth): New variable.
311         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
312         if argument is NULL and bitmap_default_obstack is already initialized.
313         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
314         at the end.
315         * matrix-reorg.c (matrix_reorg): Likewise.
316
317 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
318
319         * config/i386/i386.md (*indirect_jump): Macroize using P
320         mode iterator.  Remove !TARGET_64BIT from insn constraints.
321         (*tablejump_1): Ditto.
322         (*indirect_jump_rex64): Remove insn pattern.
323         (*tablejump_1_rex64): Ditto.
324         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
325         and eh_return_si insn patterns.
326
327 2008-06-06  Richard Guenther  <rguenther@suse.de>
328
329         * tree-ssa-structalias.c (merge_smts_into): Remove.
330         (find_what_p_points_to): Do not bother to compute the
331         points-to set for pt_anything pointers.
332         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
333         for pt_anything pointers is ok.
334
335 2008-06-06  Jan Hubicka  <jh@suse.cz>
336
337         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
338
339 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
340
341         * cgraph.c: Fix typos in comments.
342         (cgraph_availability_names): Fix string typo.
343         * fold-const.c: Fix typos in comments.
344         (fold_binary): Fix typo in warning.
345         * genautomata.c: Fix typos in comments.
346         (check_presence_pattern_sets): Fix typo in local variable.
347         (output_description): Fix typo in output.
348         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
349         * hwint.h: Likewise.
350         * matrix-reorg.c (check_allocation_function): Likewise.
351         * omega.c (smooth_weird_equations): Likewise.
352         * auto-inc-dec.c: Fix typos in comments.
353         * bb-reorder.c: Likewise.
354         * builtins.c: Likewise.
355         * c-common.c: Likewise.
356         * c-cppbuiltin.c: Likewise.
357         * c-parser.c: Likewise.
358         * c-pretty-print.c: Likewise.
359         * cfgcleanup.c: Likewise.
360         * cfgexpand.c: Likewise.
361         * cfghooks.c: Likewise.
362         * cfglayout.c: Likewise.
363         * cfgloopmanip.c: Likewise.
364         * cgraphunit.c: Likewise.
365         * coverage.c: Likewise.
366         * dbxout.c: Likewise.
367         * df-byte-scan.c: Likewise.
368         * df-core.c: Likewise.
369         * df-problems.c: Likewise.
370         * df-scan.c: Likewise.
371         * dfp.c: Likewise.
372         * dominance.c: Likewise.
373         * domwalk.c: Likewise.
374         * dse.c: Likewise.
375         * dwarf2out.c: Likewise.
376         * emit-rtl.c: Likewise.
377         * et-forest.c: Likewise.
378         * function.c: Likewise.
379         * function.h: Likewise.
380         * gcc.c: Likewise.
381         * gcov-io.c: Likewise.
382         * gcov.c: Likewise.
383         * gcse.c: Likewise.
384         * genattrtab.c: Likewise.
385         * ggc-page.c: Likewise.
386         * gimplify.c: Likewise.
387         * gthr-lynx.h: Likewise.
388         * haifa-sched.c: Likewise.
389         * ipa-cp.c: Likewise.
390         * ipa-inline.c: Likewise.
391         * ipa-prop.h: Likewise.
392         * ipa-pure-const.c: Likewise.
393         * ipa-struct-reorg.c: Likewise.
394         * ipa-struct-reorg.h: Likewise.
395         * ipa-type-escape.c: Likewise.
396         * ipa.c: Likewise.
397         * loop-doloop.c: Likewise.
398         * mips-tfile.c: Likewise.
399         * mkmap-flat.awk: Likewise.
400         * mkmap-symver.awk: Likewise.
401         * modulo-sched.c: Likewise.
402         * omp-low.c: Likewise.
403         * optabs.c: Likewise.
404         * optabs.h: Likewise.
405         * opts.c: Likewise.
406         * passes.c: Likewise.
407         * postreload-gcse.c: Likewise.
408         * postreload.c: Likewise.
409         * predict.c: Likewise.
410         * pretty-print.h: Likewise.
411         * profile.c: Likewise.
412         * protoize.c: Likewise.
413         * ra-conflict.c: Likewise.
414         * real.c: Likewise.
415         * recog.c: Likewise.
416         * regclass.c: Likewise.
417         * regs.h: Likewise.
418         * reload.c: Likewise.
419         * rtl-error.c: Likewise.
420         * rtlanal.c: Likewise.
421         * scan.h: Likewise.
422         * sched-rgn.c: Likewise.
423         * see.c: Likewise.
424         * stmt.c: Likewise.
425         * target.h: Likewise.
426         * tree-dfa.c: Likewise.
427         * tree-eh.c: Likewise.
428         * tree-flow-inline.h: Likewise.
429         * tree-inline.c: Likewise.
430         * tree-into-ssa.c: Likewise.
431         * tree-loop-distribution.c: Likewise.
432         * tree-nested.c: Likewise.
433         * tree-parloops.c: Likewise.
434         * tree-pass.h: Likewise.
435         * tree-pretty-print.c: Likewise.
436         * tree-profile.c: Likewise.
437         * tree-scalar-evolution.c: Likewise.
438         * tree-sra.c: Likewise.
439         * tree-ssa-alias-warnings.c: Likewise.
440         * tree-ssa-ccp.c: Likewise.
441         * tree-ssa-coalesce.c: Likewise.
442         * tree-ssa-dom.c: Likewise.
443         * tree-ssa-dse.c: Likewise.
444         * tree-ssa-forwprop.c: Likewise.
445         * tree-ssa-live.c: Likewise.
446         * tree-ssa-live.h: Likewise.
447         * tree-ssa-loop-im.c: Likewise.
448         * tree-ssa-loop-ivopts.c: Likewise.
449         * tree-ssa-loop-niter.c: Likewise.
450         * tree-ssa-loop-prefetch.c: Likewise.
451         * tree-ssa-phiopt.c: Likewise.
452         * tree-ssa-phiprop.c: Likewise.
453         * tree-ssa-sccvn.c: Likewise.
454         * tree-ssa-ter.c: Likewise.
455         * tree-ssa-threadupdate.c: Likewise.
456         * tree-ssa.c: Likewise.
457         * tree-vect-analyze.c: Likewise.
458         * tree-vect-transform.c: Likewise.
459         * tree-vectorizer.c: Likewise.
460         * tree-vn.c: Likewise.
461         * tree-vrp.c: Likewise.
462         * tree.c: Likewise.
463         * tree.def: Likewise.
464         * tree.h: Likewise.
465         * unwind-dw2-fde.c: Likewise.
466         * unwind.inc: Likewise.
467         * value-prof.c: Likewise.
468         * vmsdbgout.c: Likewise.
469
470 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
471
472         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
473         always place FP constants in the TOC for TARGET_POWERPC64.
474         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
475
476 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
477
478         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
479         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
480         enable for TARGET_E500_DOUBLE.
481         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
482         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
483         floating-point modes like integer modes for E500 double.
484         (rs6000_legitimate_offset_address_p): Likewise.
485         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
486         addressing for DDmode for E500 double.
487         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
488         modes as using 64-bits of registers for E500 double.
489         (spe_build_register_parallel): Do not handle DDmode or TDmode.
490         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
491         specially for E500 double.
492         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
493         TDmode for E500 double.
494         (rs6000_gimplify_va_arg): Only handle SDmode in registers
495         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
496         (rs6000_split_multireg_move): Do not handle TDmode specially for
497         E500 double.
498         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
499         using 64-bit registers for E500 double.
500         (emit_frame_save): Do not handle DDmode specially for E500 double.
501         (gen_frame_mem_offset): Likewise.
502         (rs6000_function_value): Do not call spe_build_register_parallel
503         for DDmode or TDmode.
504         (rs6000_libcall_value): Likewise.
505         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
506         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
507         for E500 double.
508
509 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
510
511         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
512         in comments.
513
514 2008-06-04  Junjie Gu <jgu@tensilica.com>
515
516         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
517         comparison for frame pointers.
518
519 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
520
521         PR target/27386
522         * config/avr/avr.h (PUSH_ROUNDING): Remove.
523
524 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
525
526         PR target/30243
527         * builtins.c (expand_builtin_signbit): Don't take lowpart when
528         register is already smaller or equal to required mode. 
529
530 2008-06-04  Xinliang David Li  <davidxl@google.com>
531
532         * tree-call-cdce.c: New file. 
533         (cond_dead_built_in_calls): New static variable.
534         (input_domain): New struct.
535         (check_pow): New function.
536         (check_builtin_call): Ditto.
537         (check_target_format): Ditto.
538         (is_call_dce_candidate): Ditto.
539         (gen_one_condition): Ditto.
540         (gen_conditions_for_domain): Ditto.
541         (get_domain): Ditto.
542         (gen_conditions_for_pow_cst_base): Ditto.
543         (gen_conditions_for_pow_int_base): Ditto.
544         (gen_conditions_for_pow): Ditto.
545         (get_no_error_domain): Ditto.
546         (gen_shrink_wrap_conditions): Ditto.
547         (shrink_wrap_one_built_in_call): Ditto.
548         (shink_wrap_conditional_dead_built_in_calls): Ditto.
549         (tree_call_cdce): Ditto.
550         (gate_call_cdce): Ditto.
551         (pass_call_cdce): New gimple pass.
552         * passes.c: (init_optimization_passes): New pass.
553         * tree-pass.h: New pass declaration.
554         * opts.c (decode_options): New flag setting.
555         * common.opt: Add -ftree-builtin-call-dce flag.
556         * Makefile.in: Add new source file.
557         * tempvar.def: New tv_id.
558         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
559
560 2008-06-04  Richard Guenther  <rguenther@suse.de>
561
562         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
563         (is_call_clobbered): Always check var_ann->call_clobbered.
564         (mark_call_clobbered): Always set var_ann->call_clobbered.
565         (clear_call_clobbered): Always clear var_ann->call_clobbered.
566         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
567         (reset_alias_info): Clear call clobbering info on MTAGs and
568         globals as well.
569         (set_pt_anything): Set pt_global_mem.
570         (create_tag_raw): Adjust comment.
571         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
572
573 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
574             Maxim Kuvyrkov  <maxim@codesourcery.com>
575
576         * config/m68k/m68k.opt (mxgot): New option.
577         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
578         (m68k_output_addr_const_extra): New.
579         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
580         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
581         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
582         * doc/invoke.texi (M680x0 Options): Document -mxgot.
583
584 2008-06-04  Richard Guenther  <rguenther@suse.de>
585
586         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
587         negative or non-representable offsets.
588
589 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
590
591         * config/i386/i386.c (ix86_gen_leave): New.
592         (ix86_gen_pop1): Likewise.
593         (ix86_gen_add3): Likewise.
594         (ix86_gen_sub3): Likewise.
595         (ix86_gen_sub3_carry): Likewise.
596         (ix86_gen_one_cmpl2): Likewise.
597         (ix86_gen_monitor): Likewise.
598         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
599         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
600         ix86_gen_one_cmpl2 and ix86_gen_monitor.
601         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
602         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
603         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
604         (ix86_expand_epilogue): Updated.
605         (print_operand): Handle integer register operand for 'z'.
606         (ix86_expand_strlensi_unroll_1): Likewise.
607         (ix86_expand_strlen): Likewise.
608         (ix86_expand_builtin): Likewise.
609         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
610         mov{q}/mov{l} and add{q}/add{l}.
611
612 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
613
614         * config/i386/i386.md (P): New mode iterator.
615         (SFmode push_operand splitter): Macroize DImode and SImode pushes
616         using P mode iterator.
617         (DFmode push_operand splitter): Ditto.
618         (XFmode push_operand splitter): Ditto.
619         (DFmode float_extend SFmode push_operand splitter): Ditto.
620         (XFmode float_extend SFmode push_operand splitter): Do not generate
621         SImode pushes for 64bit target.  Macroize Dimode and SImode
622         pushes using P mode iterator.
623         (XFmode float_extend DFmode push_operand splitter): Ditto.
624
625 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
626
627         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
628         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
629         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
630         return type to int.
631         (ix86_call_abi_override): Remove check for call_used_regs.
632
633 2008-06-03  Richard Guenther  <rguenther@suse.de>
634
635         * tree-ssa-structalias.c (find_func_aliases): Add constraints
636         for the lhs of calls if the return type contains pointers.
637
638 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
639
640         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
641         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
642         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
643         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
644         of cfun and DEFAULT_ABI to deceide abi mode.
645         (DEFAULT_ABI): New.
646         (REG_PARM_STACK_SPACE): Removed.
647         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
648         (STACK_BOUNDARY): Use default target to deceide stack boundary.
649         * config/i386/i386-protos.h (ix86_cfun_abi): New.
650         (ix86_function_abi): Likewise.
651         (ix86_function_type_abi): Likewise.
652         (ix86_call_abi_override): Likewise.
653         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
654         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
655         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
656         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
657         specific defines.
658         (X86_64_REGPARM_MAX): New.
659         (X86_64_SSE_REGPARM_MAX): New.
660         (X64_REGPARM_MAX): New.
661         (X64_SSE_REGPARM_MAX): New.
662         (X86_32_REGPARM_MAX): New.
663         (X86_32_SSE_REGPARM_MAX): New.
664         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
665         (ix86_function_regparm): Handle user calling abi.
666         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
667         by DEFAULT_ABI versus SYSV_ABI check.
668         (ix86_reg_parm_stack_space): New.
669         (ix86_function_type_abi): New.
670         (ix86_call_abi_override): New.
671         (ix86_function_abi): New.
672         (ix86_cfun_abi): New.
673         (init_cumulative_args): Call abi specific initialization.
674         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
675         (function_arg_64): Extend SSE_REGPARM_MAX check.
676         (function_arg (): Remove TARGET_64BIT_MS_ABI.
677         (ix86_pass_by_reference): Likewise.
678         (ix86_function_value_regno_p): Likewise.
679         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
680         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
681         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
682         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
683         (setup_incoming_varargs_64): Adjust regparm for call abi.
684         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
685         (ix86_va_start): Likewise.
686         (ix86_gimplify_va_arg): Likewise.
687         (ix86_expand_prologue): Likewise.
688         (output_pic_addr_const): Likewise.
689         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
690         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
691         (x86_output_mi_thunk): Likewise.
692         (x86_function_profiler): Likewise.
693         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
694         (SYSV_ABI, MS_ABI): New constants.
695         (DEFAULT_ABI): New.
696         (init_regs): Add prototype of function in regclass.c file.
697         (OVERRIDE_ABI_FORMAT): New.
698         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
699         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
700         (OUTGOING_REG_PARM_STACK_SPACE): New.
701         (ix86_reg_parm_stack_space): New prototype.
702         (CUMULATIVE_ARGS): Add call_abi member.
703         (machine_function): Add call_abi member.
704         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
705         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
706
707 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com> 
708
709         PR target/34879
710         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
711         (avr_builtin_setjmp_frame_value): New function.
712         * config/avr/avr.md (nonlocal_goto_receiver): Define.
713         (nonlocal_goto): Define.
714
715 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
716
717         * config/mips/mips.c (mips_emit_loadgp): Return early if
718         there is nothing do to, otherwise emit a blockage if
719         !TARGET_EXPLICIT_RELOCS || crtl->profile.
720         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
721
722 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
723
724         * configure.ac: Drop unneeded backslash ending up in config.in.
725         * acinclude.m4: Likewise.
726         * config.in: Regenerate.
727
728 2008-05-26  Jan Hubicka  <jh@suse.cz>
729
730         * predict.c (maybe_hot_frequency_p): Break out of...
731         (maybe_hot_bb_p): ... here.
732         (maybe_hot_edge_p): New.
733         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
734         * basic-block.h (maybe_hot_edge_p): Declare.
735
736 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
737
738         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
739         (*cmpfp_<mode>_cc): Ditto.
740         (*fp_jcc_8<mode>_387): Ditto.
741         (*fop_<MODEF:mode>_2_i387): Ditto.
742         (*fop_<MODEF:mode>_3_i387): Ditto.
743         (*fop_xf_2_i387): Ditto.
744         (*fop_xf_3_i387): Ditto.
745
746 2008-06-02  Tomas Bily  <tbily@suse.cz>
747
748         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
749
750 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
751
752         * config/mips/mips.c (mips_valid_offset_p): New function.
753         (mips_valid_lo_sum_p): Likewise.
754         (mips_classify_address): Use them.
755         (mips_force_address): New function.
756         (mips_legitimize_address): Use it.
757         * config/mips/mips.md (MOVE128): New mode iterator.
758         (movtf): Require TARGET_64BIT.  Remove empty strings.
759         (*movtf_internal): Rename to...
760         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
761         of "R" and use {,fp}{load,store} attributes instead of "multi".
762         Use a separate define_split.
763         (*movtf_mips16): New pattern.
764
765 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
766
767         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
768         * config/mips/mips.c (mips_expand_before_return): New function.
769         (mips_expand_epilogue): Call it.
770         * config/mips/mips.md (return): Turn into a define_expand.
771         (*return): New insn.
772
773 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
774
775         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
776         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
777         functions.  Do not emit uses and clobbers of CONCATs; individually
778         use and clobber their operands.
779         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
780         gen_clobber, emit_use and gen_use.
781         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
782         (expand_builtin_return): Likewise.
783         * cfgbuild.c (count_basic_blocks): Likewise.
784         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
785         * explow.c (emit_stack_restore): Likewise.
786         * expmed.c (extract_bit_field_1): Likewise.
787         * expr.c (convert_move, emit_move_complex_parts): Likewise.
788         (emit_move_multi_word, store_constructor): Likewise.
789         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
790         (thread_prologue_and_epilogue_insns): Likewise.
791         * lower-subreg.c (resolve_simple_move): Likewise.
792         * optabs.c (widen_operand, expand_binop): Likewise.
793         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
794         * reload.c (find_reloads): Likewise.
795         * reload1.c (eliminate_regs_in_insn): Likewise.
796         * stmt.c (expand_nl_goto_receiver): Likewise.
797         * config/alpha/alpha.md (builtin_longjmp): Likewise.
798         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
799         * config/arm/arm.c (arm_load_pic_register): Likewise.
800         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
801         * config/arm/arm.md (untyped_return): Likewise.
802         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
803         * config/avr/avr.c (expand_prologue): Likewise.
804         * config/bfin/bfin.c (do_unlink): Likewise.
805         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
806         * config/cris/cris.c (cris_expand_prologue): Likewise.
807         * config/darwin.c (machopic_indirect_data_reference): Likewise.
808         (machopic_legitimize_pic_address): Likewise.
809         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
810         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
811         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
812         (ix86_expand_convert_uns_didf_sse): Likewise.
813         (ix86_expand_vector_init_general): Likewise.
814         * config/ia64/ia64.md (eh_epilogue): Likewise.
815         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
816         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
817         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
818         (config/iq2000/iq2000.c): Likewise.
819         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
820         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
821         (builtin_longjmp): Likewise.
822         * config/mn10300/mn10300.md (call, call_value): Likewise.
823         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
824         * config/pdp11/pdp11.md (abshi2): Likewise.
825         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
826         * config/s390/s390.c (s390_emit_prologue): Likewise.
827         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
828         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
829         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
830         * config/sh/sh.c (prepare_move_operands): Likewise.
831         (output_stack_adjust, sh_expand_epilogue): Likewise.
832         (sh_set_return_address, sh_expand_t_scc): Likewise.
833         * config/sparc/sparc.c (load_pic_register): Likewise.
834         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
835         * config/spu/spu.c (spu_expand_epilogue): Likewise.
836         * config/v850/v850.c (expand_epilogue): Likewise.
837
838 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
839
840         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
841         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
842         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
843         * config/avr/avr.c (expand_prologue, expand_epilogue): Use 
844         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the 
845         stack pointer register.
846         (output_movhi): Remove code for interrupt specific writing to the 
847         stack pointer register.
848
849 2008-05-31  Richard Guenther  <rguenther@suse.de>
850
851         PR tree-optimization/34244
852         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
853         (tree_expr_nonzero_warnv_p): Likewise.
854         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
855         ssa_name_nonnegative_p.
856         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
857         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
858         not tree_expr_nonzero_warnv_p.
859
860         PR tree-optimization/36262
861         Revert
862         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
863
864         PR tree-optimization/34244
865         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
866         (record_numbers_of_iterations): New function.
867         (execute_vrp): Cache the numbers of iterations of loops.
868         * tree-scalar-evolution.c (scev_reset_except_niters):
869         New function.
870         (scev_reset): Use scev_reset_except_niters.
871         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
872
873 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
874
875         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
876         __WORKAROUND_RETS when appropriate.
877
878 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
879
880         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
881         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
882         mode iterator.
883         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
884         *fop_df_comm_sse insn patterns using MODEF mode iterator.
885         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
886         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
887         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
888         *fop_df_1_mixed insn patterns using MODEF mode iterator.
889         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
890         *fop_df_1_sse insn patterns using MODEF mode iterator.
891         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
892         *fop_df_1_i387 insn patterns using MODEF mode iterator.
893         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
894         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
895         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
896         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
897         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
898         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
899         (*fop_xf_4_i387): Use <MODE> for mode attribute.
900         (*fop_xf_5_i387): Ditto.
901         (*fop_xf_6_i387): Ditto.
902
903 2008-05-30  Richard Guenther  <rguenther@suse.de>
904
905         * builtins.c (build_string_literal): Avoid generating
906         a non-gimple_val result.
907
908 2008-05-30  DJ Delorie  <dj@redhat.com>
909
910         * exec-tool.in: Use an environment variable (private) instead of a
911         file (shared) as a semaphore, so as to not break parallel builds.
912
913 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
914
915         * optabs.c (maybe_encapsulate_block): Remove.
916         (emit_libcall_block): Adjust accordingly.
917         * optabs.h (maybe_encapsulate_block): Remove prototype.
918
919         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
920         Don't use maybe_encapsulate_block.
921
922 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
923
924         * config/rs6000/rs6000.c (rs6000_legitimize_address,
925         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
926         rtx is a SYMBOL_REF before calling get_pool_constant.
927
928 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
929
930         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
931
932 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
933
934         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
935         rather than OS names to choose INO_T_EQ definition.
936         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
937         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
938
939 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
940
941         PR target/36348
942         * config/darwin-f.c: New.
943         * config/t-darwin: Added rule to build darwin-f.o.
944         * config.gcc: Defined new variable, fortran_target_objs.
945         (*-*-darwin*): Set fortran_target_objs.
946         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
947         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
948         * configure: Regenerated.
949
950 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
951
952         PR target/35771
953         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
954         canonical type if needed.
955
956 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
957
958         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
959
960 2008-05-29  Richard Guenther  <rguenther@suse.de>
961
962         PR tree-optimization/36343
963         PR tree-optimization/36346
964         PR tree-optimization/36347
965         * tree-flow.h (clobber_what_p_points_to): Declare.
966         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
967         pointed-to variable is dereferenced is irrelevant to whether
968         the pointer can access the pointed-to variable.
969         (clobber_what_p_points_to): New function.
970         * tree-ssa-alias.c (set_initial_properties): Use it.
971         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
972         call clobber check for NMTs.
973
974 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
975         
976         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
977         for printing gcov_type.
978
979 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
980
981         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
982         and the eh region information.
983         * value-prof.c (gimple_move_stmt_histograms): New function.
984         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
985
986 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
987
988         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
989
990 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
991
992         * value-prof.c (tree_ic_transform): Print counts.
993         * tree-profile.c (tree_gen_ic_func_profiler):
994         Clear __gcov_indreict_call_callee variable to avoid misattribution
995         of the profile.
996
997 2008-05-28  Rafael Espindola  <espindola@google.com>
998
999         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
1000         invalid sharing.
1001
1002 2008-05-28  Richard Guenther  <rguenther@suse.de>
1003
1004         PR tree-optimization/36339
1005         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
1006         and clobbering code out of the loop.
1007
1008 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1009
1010         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
1011         letters defined.
1012
1013         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
1014         s390_contiguous_bitmask_p, s390_symref_operand_p,
1015         s390_check_symref_alignment, s390_reload_larl_operand,
1016         s390_reload_symref_address): New functions.
1017         (s390_branch_condition_mnemonic): Support compare and branch
1018         instructions.
1019         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
1020         and 'W' constraints.
1021         (s390_secondary_reload): Add secondary reloads for unaligned
1022         symbol refs or symbol refs to floating point or QI/TI mode
1023         integer values.
1024         (legitimate_address_p): Accept symbol references as addresses.
1025         (s390_expand_insv): Use rotate and insert selected bits
1026         instruction for insv when building for z10.
1027         (print_operand_address): Handle symbol ref addresses.
1028         (print_operand): Output modifier 'c' added for signed byte values.
1029         (s390_encode_section_info): Mark symbol refs with
1030         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
1031
1032         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
1033         (length attribute): RRF, RRR have 4 byte length.
1034         (FPALL, INTALL): New mode iterators added.
1035         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
1036         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
1037         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
1038         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
1039         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
1040         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
1041         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
1042         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
1043         instructions.
1044         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
1045         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
1046         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
1047         reload<INTALL:mode><P:mode>_toreg_z10,
1048         reload<FPALL:mode><P:mode>_tomem_z10,
1049         reload<FPALL:mode><P:mode>_toreg_z10,
1050         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
1051         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
1052         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
1053         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
1054         definition.
1055         (movmem, clrmem, cmpmem): New splitters added.
1056
1057         * config/s390/predicates.md (larl_operand): Use
1058         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
1059         SYMBOL_REF_ALIGN1_P.
1060         (s390_signed_integer_comparison,
1061         s390_unsigned_integer_comparison): New predicates.
1062
1063         * config/s390/s390-protos.h (s390_check_symref_alignment,
1064         s390_contiguous_bitmask_p, s390_reload_larl_operand,
1065         s390_reload_symref_address,
1066         s390_compare_and_branch_condition_mask): Prototypes added.
1067
1068         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
1069         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
1070         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
1071
1072 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1073
1074         * config/s390/s390.c (z10_cost): New cost function for z10.
1075         (s390_handle_arch_option, override_options): Support -march=z10 switch.
1076         (s390_issue_rate): Adjust issue rate for z10.
1077         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
1078         (processor_flags): Add PF_Z10.
1079         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
1080         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
1081         * gcc/config.gcc: Add z10.
1082
1083 2008-05-28  Richard Guenther  <rguenther@suse.de>
1084
1085         PR tree-optimization/36291
1086         * tree-flow. h (struct gimple_df): Remove var_anns member.
1087         * tree-flow-inline.h (gimple_var_anns): Remove.
1088         (var_ann): Simplify.
1089         * tree-dfa.c (create_var_ann): Simplify.
1090         (remove_referenced_var): Clear alias info from var_anns of globals.
1091         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
1092         (delete_tree_ssa): Clear alias info from var_anns of globals.
1093         Do not free var_anns.
1094         (var_ann_eq): Remove.
1095         (var_ann_hash): Likewise.
1096
1097 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
1098
1099         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
1100         and loongson2f entries.
1101         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
1102         * config/mips/mips.h (processor_type): Add Loongson-2E
1103         and Loongson-2F entries.
1104         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
1105         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
1106         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
1107         * doc/invoke.texi (MIPS Options): Document loongson2e
1108         and loongson2f processor names.
1109
1110 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1111
1112         PR target/35767
1113         PR target/35771
1114         * config/i386/i386.c (ix86_function_arg_boundary): Use
1115         alignment of canonical type.
1116         (ix86_expand_vector_move): Check unaligned memory access for
1117         all SSE modes.
1118
1119 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1120
1121         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
1122         Moved to the front of file.
1123
1124 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
1125             H.J. Lu  <hongjiu.lu@intel.com>
1126
1127         * dwarf2out.c (current_fde): New.
1128         (add_cfi): Use it.
1129         (lookup_cfa:): Likewise.
1130         (dwarf2out_end_epilogue): Likewise.
1131         (dwarf2out_note_section_used): Likewise.
1132
1133 2008-05-27  Michael Matz  <matz@suse.de>
1134
1135         PR c++/27975
1136         * c.opt (Wenum-compare): New warning option.
1137         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
1138
1139 2008-05-27  Michael Matz  <matz@suse.de>
1140
1141         PR middle-end/36326
1142         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
1143         non-BLKmode types.
1144         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
1145         into memory as tail calls.
1146
1147 2008-05-27  Richard Guenther  <rguenther@suse.de>
1148
1149         PR tree-optimization/36339
1150         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
1151         pointers cause all addressable variables to be call clobbered.
1152
1153 2008-05-27  Richard Guenther  <rguenther@suse.de>
1154
1155         PR tree-optimization/36245
1156         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
1157
1158 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1159
1160         * config/s390/s390.md: Replace all occurences of the 'm'
1161         constraint with 'RT'.
1162
1163 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1164
1165         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
1166         definitions added.
1167         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
1168         "*movdi_64".
1169         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
1170         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
1171         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
1172
1173 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1174
1175         * reload.c: (find_reloads): Skip alternatives according to the
1176         "enabled" attribute. Constify the constraint variable.
1177         * recog.c (get_attr_enabled): Add default implementation.
1178         (extract_insn): Set the alternative_enabled_p array
1179         in the recog_data struct.
1180         (preprocess_constraints, constrain_operands): Skip
1181         alternatives according to the "enabled" attribute
1182         * recog.h (struct recog_data): New field alternative_enabled_p.
1183         (skip_alternative): New inline function.
1184         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
1185         (record_reg_classes): Skip alternative according to the
1186         "enabled" attribute.
1187
1188         * doc/md.texi: Add documention for the "enabled" attribute.
1189
1190 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1191
1192         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
1193         * postreload.c (reload_cse_simplify_operands): Replace 'm'
1194         constraint with TARGET_MEM_CONSTRAINT.
1195         * recog.c (asm_operand_ok, preprocess_constraints,
1196         constrain_operands): Likewise.
1197         * regclass.c (record_reg_classes): Likewise.
1198         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
1199         * reload1.c (maybe_fix_stack_asms): Likewise.
1200         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
1201         * recog.h: Adjust comment.
1202         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
1203         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
1204         * doc/md.texi: Add a note to description of 'm' constraint.
1205         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
1206
1207 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1208
1209         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
1210         that the bitfield is of integral type before testing its precision.
1211
1212 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1213             Sa Liu  <saliu@de.ibm.com> 
1214
1215         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, 
1216         __modti3, __udivti3, __umodti3 and __udivmodti4.
1217         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
1218         that implement TImode mul and div functions.
1219         * config/spu/multi3.c: New. Implement __multi3.
1220         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
1221         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
1222         functions on SPU.
1223
1224 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
1225
1226         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
1227         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
1228         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
1229         tls_sysv_suffix): New mode and mode attribute iterators.
1230         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
1231         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
1232         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
1233         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
1234         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
1235         iterators.
1236
1237 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1238
1239         PR tree-optimization/36329
1240         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
1241         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
1242         * cgraphbuild.c (initialize_inline_failed): Use the latter
1243         macro in lieu of the former.
1244         * ipa-inline.c (cgraph_mark_inline): Likewise.
1245         (cgraph_decide_inlining_of_small_function): Likewise.
1246         (cgraph_decide_inlining): Likewise.
1247         (cgraph_decide_inlining_incrementally): Likewise.
1248
1249 2008-05-26  Tristan Gingold  <gingold@adacore.com>
1250             Anatoly Sokolov  <aesok@post.ru>
1251
1252         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
1253         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
1254         * config/avr/avr.c (expand_prologue): Tune "call_prologue" 
1255         optimization for 'avr6' architecture.
1256
1257 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
1258
1259         PR target/34932
1260         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
1261
1262 2008-05-26  Richard Guenther  <rguenther@suse.de>
1263
1264         * tree-ssa-sccvn.c (expr_has_constants): Declare.
1265         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
1266
1267 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
1268
1269         PR middle-end/36253
1270         * caller-save.c (insert_restore): Verify alignment of spill space.
1271         (insert_save): Likewise.
1272         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
1273         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
1274         (STACK_SLOT_ALIGNMENT): Likewise.
1275         * function.c (LOCAL_ALIGNMENT): Removed.
1276         (get_stack_local_alignment): New.
1277         (assign_stack_local): Use it.  Set alignment on stack slot.
1278         (assign_stack_temp_for_type): Use get_stack_local_alignment.
1279         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
1280         (STACK_SLOT_ALIGNMENT): New.
1281         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
1282         stack slot in XFmode.
1283
1284         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
1285
1286 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
1287
1288         PR/36321
1289         * config/i386/i386.md (allocate_stack_worker_64): Make sure
1290         argument operand in rax isn't removed.
1291
1292 2008-05-26  Richard Guenther  <rguenther@suse.de>
1293
1294         PR middle-end/36300
1295         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
1296         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
1297
1298 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1299
1300         PR bootstrap/36331
1301         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
1302
1303 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
1304
1305         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
1306         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
1307
1308 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1309
1310         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
1311         build a trampoline if we don't want one.
1312         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
1313         return zero for nested functions if we don't want a trampoline.
1314
1315 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1316
1317         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
1318
1319 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1320
1321         PR fortran/18428
1322         * c.opt: Removed undocumented option '-lang-fortran'.
1323         * c-common.h: Removed global variable 'lang_fortran'.
1324         * c-opts.c (c_common_handle_option): Removed code to handle
1325         option '-lang-fortran'. Updated includes.
1326         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
1327         definition of '__GFORTRAN__'.
1328         (define__GNUC__): Reimplemented to use BASEVER and
1329         cpp_define_formatted.
1330         (builtin_define_with_value_n): Removed.
1331         * c-incpath.h: Renamed to ...
1332         * incpath.h: ... this.
1333         * c-incpath.c: Renamed to ...
1334         * incpath.c: ... this. Updated includes.
1335         * fix-header.c: Updated includes.
1336         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
1337         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
1338         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
1339
1340 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1341
1342         * tree.h: Update the table of flags used on tree nodes.
1343         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
1344         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
1345         (FORCED_LABEL): Add access check.
1346         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
1347         (ASM_INPUT_P): Likewise.
1348         (ASM_VOLATILE_P): Likewise.
1349         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
1350         (OMP_SECTION_LAST): Access private_flag directly.
1351         (OMP_RETURN_NOWAIT): Likewise.
1352         (OMP_PARALLEL_COMBINED): Likewise.
1353         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
1354         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
1355         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
1356         deprecated_flag directly.
1357
1358 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
1359
1360         * final.c (frame_pointer_needed): Removed.
1361         * flags.h (frame_pointer_needed): Likewise.
1362
1363         * function.h (rtl_data): Add frame_pointer_needed.
1364         (frame_pointer_needed): New.
1365
1366 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
1367
1368         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
1369
1370 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
1371
1372         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
1373         SRC is a REG.
1374
1375 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
1376
1377         * c-common.c (strip_array_types): Move function to..
1378         * tree.c: ..here.
1379         (get_inner_array_type): Delete.
1380         * c-common.h (strip_array_types): Move declaration to..
1381         * tree.h: ..here.
1382         (get_inner_array_type): Delete.
1383         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
1384         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
1385         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
1386         * config/pa/pa.c (emit_move_sequence): Likewise.
1387
1388 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
1389
1390         * config/i386/i386.md (*sse_prologue_save_insn): Set length
1391         attribute to 34.
1392
1393 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
1394
1395         * function.c: Include target hook for nonlocal_goto frame value.
1396
1397 2008-05-24  Richard Guenther  <rguenther@suse.de>
1398
1399         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
1400         variable can be only accessed through a pointer or a union.
1401
1402 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1403
1404         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
1405         * doc/extend.texi: Likewise.
1406
1407 2008-05-23  DJ Delorie  <dj@redhat.com>
1408
1409         * config/m32c/jump.md (untyped_call): Add.
1410
1411         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
1412         for A24 to PSImode.
1413         (m32c_address_cost): Detail costs for indirect offsets.
1414
1415 2008-05-23  Rafael Espindola  <espindola@google.com>
1416
1417         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
1418         if a node is a SUBREG.
1419         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
1420         is a SUBREG.
1421
1422 2008-05-23  Paul Brook  <paul@codesourcery.com>
1423             Carlos O'Donell  <carlos@codesourcery.com>
1424
1425         * doc/extend.texi: Clarify use of __attribute__((naked)).
1426         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
1427         * target.h (gcc_target): Add allocate_stack_slots_for_args.
1428         * function.c (use_register_for_decl): Use
1429         targetm.calls.allocate_stack_slots_for_args.
1430         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
1431         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
1432         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
1433
1434 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1435
1436         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
1437
1438 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
1439
1440         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
1441         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
1442         is only rounded once.
1443
1444 2008-05-23  Richard Guenther  <rguenther@suse.de>
1445
1446         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
1447
1448 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
1449             Jakub Jelinek  <jakub@redhat.com>
1450
1451         PR target/36079
1452         * configure.ac: Handle --enable-cld.
1453         * configure: Regenerated.
1454         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
1455         * config/i386/i386.h (struct machine_function): Add needs_cld field.
1456         (ix86_current_function_needs_cld): New define.
1457         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
1458         (cld): New isns pattern.
1459         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
1460         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
1461         * config/i386/i386.opt (mcld): New option.
1462         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
1463         TARGET_CLD and ix86_current_function_needs_cld.
1464         (override_options): Use -mcld by default for 32-bit code if
1465         USE_IX86_CLD.
1466
1467         * doc/install.texi (Options specification): Document --enable-cld.
1468         * doc/invoke.texi (Machine Dependent Options)
1469         [i386 and x86-64 Options]: Add -mcld option.
1470         (Intel 386 and AMD x86-64 Options): Document -mcld option.
1471
1472 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
1473         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
1474         (return_in_memory_64): Likewise.
1475         (return_in_memory_ms_64): Likewise.
1476
1477 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1478
1479         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
1480         * builtins.c (fold_builtin_fpclassify): New.
1481         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
1482         * builtins.def (BUILT_IN_FPCLASSIFY): New.
1483         * c-common.c (handle_type_generic_attribute): Adjust to accept
1484         fixed arguments before an elipsis.
1485         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
1486         * doc/extend.texi: Document __builtin_fpclassify.
1487
1488 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
1489
1490         * omp-low.c (gate_expand_omp_ssa): Remove.
1491         (pass_expand_omp_ssa): Remove.
1492         (gate_expand_omp): Do not check for flag_openmp_ssa.
1493         * common.opt (-fopenmp-ssa): Remove.
1494         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
1495
1496 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1497
1498         * config/sh/sh.opt (mfixed-range): New option.
1499         * config/sh/sh-protos.h (sh_fix_range): Declare.
1500         * config/sh/sh.c (sh_fix_range): New function.
1501         * config/sh/sh.h (sh_fixed_range_str): Declare.
1502         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
1503         is not empty.
1504         * doc/invoke.texi (SH Options): Document -mfixed-range.
1505
1506 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
1507
1508         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
1509         it before the redeclaration.
1510
1511 2008-05-22  Anatoly Sokolov <aesok@post.ru>
1512
1513         * config/avr/avr.c (get_sequence_length): Add new function.
1514         (expand_prologue, expand_epilogue): Remove duplicate code.
1515
1516 2008-05-22  Rafael Espindola  <espindola@google.com>
1517
1518         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
1519         sharing.
1520
1521 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1522
1523         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
1524         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
1525
1526         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
1527         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
1528         (vect_update_misalignment_for_peel): Likewise.
1529         (vector_alignment_reachable_p): Likewise.
1530         * tree-vect-transform.c (vectorizable_load): Likewise.
1531         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
1532         (get_vectype_for_scalar_type): Pass mode of scalar_type
1533         to UNITS_PER_SIMD_WORD.
1534
1535         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
1536         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
1537         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
1538         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
1539         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
1540
1541 2008-05-22  Ira Rosen  <irar@il.ibm.com>
1542
1543         PR tree-optimization/36293
1544         * tree-vect-transform.c (vect_transform_strided_load): Don't check
1545         if the first load must be skipped because of a gap.
1546
1547 2008-05-22  Richard Guenther  <rguenther@suse.de>
1548
1549         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
1550         more cases of offset disambiguation that is possible if
1551         strict-aliasing rules apply.
1552         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
1553         for basic offset and type-based disambiguation.
1554
1555 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1556
1557         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
1558         ix86_expand_vector_set on V16QImode for SSE4.1.
1559
1560 2008-05-21  Tom Tromey  <tromey@redhat.com>
1561
1562         * c.opt (Wimport): Mark as undocumented.
1563         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
1564         -Wno-import.
1565         (Warning Options): Likewise.
1566         * doc/cppopts.texi: Don't mention -Wimport.
1567
1568 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
1569
1570         PR tree-optimization/36287
1571         PR tree-optimization/36286
1572         * lambda-code.c (build_access_matrix): Do not use the loop->num
1573         for computing the number of induction variables: use the loop depth
1574         instead.
1575
1576 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
1577
1578         PR/36280
1579         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
1580         option -f(no-)leading-underscore.
1581
1582 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1583
1584         * config/i386/i386.c (ix86_expand_vector_init_general): Use
1585         GET_MODE_NUNITS (mode).
1586
1587 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
1588
1589         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
1590         (-mmulhw): Add 464 to description.
1591         (-mdlmzb): Likewise.
1592         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
1593         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
1594         464fp entries.
1595         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
1596         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
1597         * config/rs6000/rs6000.md: Update comments for 464.
1598
1599 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
1600
1601         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
1602
1603 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1604
1605         * config/i386/sse.md (vec_extractv4sf): Removed.
1606         (vec_extractv2df): Likewise.
1607         (vec_extractv2di): Likewise.
1608         (vec_extractv4si): Likewise.
1609         (vec_extractv8hi): Likewise.
1610         (vec_extractv16qi): Likewise.
1611         (vec_extract<mode>): New.
1612
1613 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1614
1615         * config/i386/sse.md (vec_setv4sf): Removed.
1616         (vec_setv2df): Likewise.
1617         (vec_setv2di): Likewise.
1618         (vec_setv4si): Likewise.
1619         (vec_setv8hi): Likewise.
1620         (vec_setv16qi): Likewise.
1621         (vec_set<mode>): New.
1622
1623 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1624
1625         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
1626         goto for vec_concat and vec_interleave.
1627
1628 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1629
1630         * config/i386/sse.md (vec_initv4sf): Removed.
1631         (vec_initv2df): Likewise.
1632         (vec_initv2di): Likewise.
1633         (vec_initv4si): Likewise.
1634         (vec_initv8hi): Likewise.
1635         (vec_initv16qi): Likewise.
1636         (vec_init<mode>): New.
1637
1638 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
1639
1640         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
1641
1642 2008-05-21  Tom Tromey  <tromey@redhat.com>
1643
1644         * ggc-zone.c (lookup_page_table_if_allocated): New function.
1645         (zone_find_object_offset): Likewise.
1646         (gt_ggc_m_S): Likewise.
1647         (highest_bit): Likewise.
1648         * ggc-page.c (gt_ggc_m_S): New function.
1649         * stringpool.c (string_stack): Remove.
1650         (init_stringpool): Update.
1651         (ggc_alloc_string): Use ggc_alloc.
1652         (maybe_delete_ident): New function.
1653         (ggc_purge_stringpool): Likewise.
1654         (gt_ggc_m_S): Remove.
1655         * ggc-common.c (ggc_protect_identifiers): New global.
1656         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
1657         ggc_protect_identifiers.
1658         * ggc.h (ggc_protect_identifiers): Declare.
1659         (gt_ggc_m_S): Update.
1660         (ggc_purge_stringpool): Declare.
1661         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
1662         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
1663         special case.
1664         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
1665
1666 2008-05-21  David S. Miller  <davem@davemloft.net>
1667
1668         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
1669         tmake_file.
1670
1671 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
1672
1673         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
1674         once finished.
1675
1676 2008-05-20  David Daney  <ddaney@avtrex.com>
1677
1678         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
1679         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
1680         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
1681         UNSPEC_UPDATE_GOT_VERSION): Renumber.
1682         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
1683         (atomic_hiqi_op): New define_code_iterator.
1684         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
1685         mips_expand_compare_and_swap_12.
1686         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
1687         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
1688         (sync_<optab><mode>, sync_old_<optab><mode>,
1689         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
1690         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
1691         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
1692         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
1693         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
1694         (test_and_set_12): New insn.
1695         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
1696         sync_new_<optab><mode>, sync_old_nand<mode>,
1697         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
1698         clobber to operand 0 for SI and DI mode insns.
1699         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
1700         mips_gen_fn_4): New typedefs.
1701         (mips_gen_fn_ptrs): Define new union type.
1702         (mips_expand_compare_and_swap_12): Remove declaration.
1703         (mips_expand_atomic_qihi): Declare function.
1704         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
1705         (mips_expand_atomic_qihi): ... this.  Use new generator function
1706         parameter.
1707         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
1708         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
1709         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
1710         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
1711         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
1712         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
1713         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
1714         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
1715         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
1716         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
1717         New macros.
1718
1719 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1720
1721         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
1722         the missing break.
1723
1724 2008-05-20  Anatoly Sokolov <aesok@post.ru>
1725
1726         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
1727         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
1728         (avr_attribute_table): Add 'OS_main' function attribute.
1729         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
1730         functions with 'OS_main' attribute.
1731
1732 2008-05-20  Richard Guenther  <rguenther@suse.de>
1733
1734         PR tree-optimization/35204
1735         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
1736         helper, split out from ...
1737         (DFS): ... here.  Make the DFS walk non-recursive.
1738
1739 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
1740             Jan Sjodin  <jan.sjodin@amd.com>
1741
1742         PR tree-optimization/36181
1743         * tree-parloops.c (loop_has_vector_phi_nodes): New.
1744         (parallelize_loops): Don't parallelize when the loop has vector
1745         phi nodes.
1746
1747 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
1748             Sebastian Pop  <sebastian.pop@amd.com>
1749
1750         * tree-loop-linear.c (gather_interchange_stats): Look in the access
1751         matrix, and never look at the tree representation of the memory
1752         accesses.
1753         (linear_transform_loops): Computes parameters and access matrices.
1754         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
1755         when fails.
1756         (access_matrix_get_index_for_parameter): New.
1757         * tree-data-ref.h (struct access_matrix): New.
1758         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
1759         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
1760         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
1761         am_vector_index_for_loop): New.
1762         (struct data_reference): Add field access_matrix.
1763         (DR_ACCESS_MATRIX): New.
1764         (compute_data_dependences_for_loop): Update declaration.
1765         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
1766         * lambda.h (lambda_vector_vec_p): Declared.
1767         * lambda-code.c: Depend on pointer-set.h.
1768         (lambda_collect_parameters_from_af, lambda_collect_parameters,
1769         av_for_af_base, av_for_af, build_access_matrix,
1770         lambda_compute_access_matrices): New.
1771         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
1772
1773 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
1774
1775         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
1776         $SOURCEDIR/include.
1777
1778 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
1779             Sebastian Pop  <sebastian.pop@amd.com>
1780
1781         PR tree-optimization/36206
1782         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
1783         FOLD_CONVERSIONS.
1784         (instantiate_scev_1): Rename flags to fold_conversions.
1785         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
1786         outeside instantiation_loop.
1787         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
1788         (evolution_function_is_affine_or_constant_p): Removed.
1789         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
1790         instantiate_scev.
1791         (analyze_siv_subscript): Pass in the loop nest number.
1792         Call evolution_function_is_affine_in_loop instead of 
1793         evolution_function_is_affine_p.
1794         (analyze_overlapping_iterations): Pass in the loop nest number.
1795
1796 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
1797             Sebastian Pop  <sebastian.pop@amd.com>
1798
1799         PR tree-optimization/36206
1800         * tree-chrec.h (chrec_fold_op): New.
1801         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
1802         and other trees.
1803
1804 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
1805
1806         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
1807         (DIRS_EQ): New.
1808         (remove_duplicates): Do not set inode on non-inode systems.
1809         Use DIRS_EQ.
1810
1811 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
1812
1813         * config.gcc (tm_file): Update comments about relative pathnames.
1814
1815 2008-05-20  Richard Guenther  <rguenther@suse.de>
1816
1817         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
1818         * tree-ssa-sccvn.c (process_scc): Likewise.
1819         * tree-ssa-sink.c (execute_sink_code): Likewise.
1820         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
1821         * tree-vrp.c (process_assert_insertions): Likewise.
1822         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
1823         (perform_tree_ssa_dce): Likewise.
1824         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1825         (dump_dominator_optimization_stats): Likewise.
1826         * tree-vectorizer.c (vectorize_loops): Likewise.
1827
1828 2008-05-20  Richard Guenther  <rguenther@suse.de>
1829
1830         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
1831
1832 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
1833
1834         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
1835         (ix86_i386elf_return_in_memory): Likewise.
1836         (ix86_i386interix_return_in_memory): Likewise.
1837         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
1838         (SUBTARGET_RETURN_IN_MEMORY): New.
1839         * config/i386/i386elf.h: Likewise.
1840         * config/i386/ptx4-i.h: Likewise.
1841         * config/i386/sol2-10.h: Likewise.
1842         * config/i386/sysv4.h: Likewise.
1843         * config/i386/vx-common.h: Likewise.
1844         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
1845         * config/i386/i386.c (ix86_return_in_memory): Made static and
1846         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
1847         (ix86_i386elf_return_in_memory): Removed.
1848         (ix86_i386interix_return_in_memory): Removed.
1849         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
1850         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
1851
1852 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
1853
1854         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
1855
1856 2008-05-19  Xinliang David Li  <davidxl@google.com>
1857
1858         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
1859         * opts.c: Ditto.
1860         * common.opt: Ditto.
1861         * doc/invoke.texi: Ditto.
1862
1863 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1864
1865         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
1866         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
1867
1868 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
1869
1870         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
1871         sizes of operand array from 8/4 to 4/2.
1872         (ix86_expand_vector_init_general): Change size of operand array
1873         from 32 to 16.  Remove op0, op1 and half_mode.
1874
1875 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
1876
1877         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
1878         (ix86_expand_vector_init_interleave): Likewise.
1879         (ix86_expand_vector_init_general): Use them.  Assert
1880         word_mode == SImode when n_words == 4.
1881
1882 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
1883
1884         * config/i386/i386.c (ix86_secondary_reload): New static function.
1885         (TARGET_SECONDARY_RELOAD): New define.
1886         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
1887         * config/i386/i386.md (reload_outqi): Remove.
1888
1889 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1890
1891         PR middle-end/35509
1892         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
1893         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
1894         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
1895         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
1896         (fold_builtin_1): Likewise.
1897         * builtins.def (BUILT_IN_ISINF_SIGN): New.
1898         c-common.c (check_builtin_function_arguments): Handle
1899         BUILT_IN_ISINF_SIGN.
1900         * doc/extend.texi: Document __builtin_isinf_sign.
1901         * fold-const.c (operand_equal_p): Handle COND_EXPR.
1902
1903 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
1904
1905         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
1906         EH cleanup at the end of the pass, search for those that have been
1907         turned into forwarder blocks and do the cleanup on their successor.
1908
1909 2008-05-18  Richard Guenther  <rguenther@suse.de>
1910
1911         * tree-cfg.c (verify_gimple_expr): Allow conversions from
1912         pointers to sizetype and vice versa.
1913
1914 2008-05-18 Xinliang David Li   <davidxl@google.com>
1915
1916         * gcc/tree-ssa-dce.c: Coding style fix.
1917         (check_pow): Documentation comment. 
1918         (check_log): Documenation comment. Coding style fix.
1919         (is_unnecessary_except_errno_call): Ditto.
1920         (gen_conditions_for_pow): Ditto.
1921         (gen_conditions_for_log): Ditto.
1922         (gen_shrink_wrap_conditions): Ditto.
1923         (shrink_wrap_one_built_in_calls): Ditto.
1924         * gcc/doc/invoke.texi: Better documentation string.
1925         * ChangeLog: Fix wrong change log entries from 
1926         May 17 checkin on function call DCE.
1927
1928 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1929
1930         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
1931
1932 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
1933
1934         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
1935         * df-problems.c (simulation routines): Fixed block comment to
1936         properly say how to add forwards scanning functions.
1937         
1938 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
1939
1940         * tree-inline.c (setup_one_parameter): Remove dead code.
1941
1942 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
1943
1944         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
1945         a BIT_AND_EXPR only for an INTEGER_TYPE.
1946
1947 2008-05-17 Xinliang David Li   <davidxl@google.com>
1948
1949         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
1950         (check_pow, check_log, is_unnecessary_except_errno_call): New 
1951         functions to check for eliminating math functions that are pure 
1952         except for setting errno.
1953         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
1954         general condition expressions for shrink-wrapping pow/log calls.
1955         (gen_shrink_wrap_conditions): Ditto.
1956         (shrink_wrap_one_built_in_call): Ditto.
1957         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
1958         (mark_operand_necessary): If debugging, output if OP is necessary.
1959         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
1960         unnecessary.
1961         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
1962         opt level >= 2.
1963         * gcc/common.opt: New user flag -ftree-builtin-dce.
1964         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
1965
1966 2008-05-16  David S. Miller  <davem@davemloft.net>
1967
1968         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
1969         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
1970
1971 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
1972
1973         PR target/36246
1974         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
1975
1976 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
1977
1978         * ifcvt.c (dead_or_predicable): Rename
1979         df_simulate_one_insn_backwards to df_simulate_one_insn.
1980         * recog.c (peephole2_optimize): Ditto.
1981         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
1982         Ditto.
1983         * df.h: Rename df_simulate_one_insn_backwards to
1984         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
1985         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
1986         scanning of defs and uses.
1987         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
1988         (df_simulate_one_insn_forwards): Removed.
1989
1990 2008-05-16  Doug Kwan  <dougkwan@google.com>
1991
1992         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
1993         QNaN & SNaN.
1994         (real_from_string): Handle NaNs and Inf as approriate.
1995
1996 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
1997
1998         * doc/gty.texi (Source Files Containing Type Information): Note
1999         that headers should appear first in the gtfiles list.
2000
2001 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2002
2003         * tree.def (COND_EXEC): Properly documented this code.
2004
2005 2008-05-16  Diego Novillo  <dnovillo@google.com>
2006
2007         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
2008         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
2009         the new field.
2010
2011 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2012
2013         * tree-ssa-dse (max_stmt_uid): Removed.
2014         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
2015         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
2016         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
2017         * function.h (cfun.last_stmt_uid): New field.
2018         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
2019         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
2020         New functions.
2021         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
2022         (create_stmt_ann): Initialize the ann->uid field.
2023         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
2024         with new calls.
2025         * tree-flow.h (renumber_gimple_stmt_uids): New function.
2026
2027 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
2028
2029         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
2030         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
2031         (init_empty_tree_cfg): Call it.
2032
2033 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2034
2035         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
2036         Update all users.
2037
2038 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2039
2040         * doc/invoke.text (-fdump-tree-*-verbose): New option.
2041         * tree-dump.c (dump_options): New verbose option.
2042         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
2043         Add verbose dump.
2044         * tree-pass.h (TDF_VERBOSE): New dump flag.
2045         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
2046         (tree-flow.h): Added include.
2047         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
2048
2049 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2050
2051         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
2052
2053         From Jie Zhang  <jie.zhang@analog.com>
2054         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2055         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
2056         mcpu=bf561-none and mcpu=bf561-0.2.
2057         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2058         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
2059         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2060         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
2061         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
2062         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
2063         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
2064         option.
2065         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
2066         (cputype_selected): Remove.
2067         (bfin_handle_option): Don't use cputype_selected.
2068         (override_options): When no mcpu option, enable all workarounds.
2069         Don't use bfin_workarounds.
2070         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
2071         processor type.
2072         (DEFAULT_CPU_TYPE): Don't define.
2073
2074 2008-05-16  Richard Guenther  <rguenther@suse.de>
2075
2076         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
2077         on deletion of the last stmt.
2078
2079 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2080
2081         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
2082         V8HImode for SSE2 and V16QImode for SSE4.1.
2083
2084 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
2085
2086         * cgraph.h (compute_inline_parameters): Made public.
2087         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
2088         variable_generate_summary, function_write_summary,
2089         variable_write_summary, variable_read_summary.  Added generate_summary,
2090         write_summary, read_summary.
2091         * cgraphunit.c (cgraph_process_new_functions): Changed call from
2092         pass_ipa_inline.function_generate_summary, to
2093         compute_inline_parameters. 
2094         * ipa-inline.c (compute_inline_parameters): Made public and added
2095         node parameter.
2096         (compute_inline_parameters_for_current): New function.
2097         (pass_inline_param): Now calls compute_inline_parameters_for_current.
2098         (inline_generate_summary): Removed parameter and made to loop over
2099         all cgraph nodes.
2100         (pass_ipa_inline): Updated for new IPA_PASS structure.
2101         * passes.c (execute_ipa_summary_passes): Now is called once per
2102         pass rather than once per node*pass.
2103         
2104 2008-05-15  Anatoly Sokolov <aesok@post.ru>
2105
2106         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
2107         avr_have_mul_p, avr_asm_only_p): Remove variables.
2108         (avr_override_options): Remove initialization of removed variables.
2109         (avr_file_start):  Convert removed variables to fields of 
2110         'struct base_arch_s *avr_current_arch'. 
2111         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
2112         (AVR_HAVE_MUL): (Ditto.).
2113         (AVR_HAVE_MOVW): (Ditto.).
2114         (AVR_HAVE_LPMX): (Ditto.). 
2115         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
2116         avr_asm_only_p): Remove declaration.
2117
2118 2008-05-15  Diego Novillo  <dnovillo@google.com>
2119
2120         * config/arm/arm.c (arm_return_in_memory): Fix return type.
2121         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
2122
2123 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
2124
2125         PR middle-end/36194
2126         * combine.c (check_conversion): Rename back to check_promoted_subreg.
2127         Don't call record_truncated_value from here.
2128         (record_truncated_value): Turn it into a for_each_rtx callback.
2129         (record_truncated_values): New function.
2130         (combine_instructions): Call note_uses with record_truncated_values.
2131         Change name of check_conversion to check_promoted_subreg. 
2132
2133 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
2134
2135         * doc/sourcebuild.texi: Document support for torture tests.
2136
2137 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
2138
2139         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
2140         to alternative 4 of operand 2.
2141
2142 2008-05-15  Richard Guenther  <rguenther@suse.de>
2143
2144         * tree-pass.h (current_pass): Declare.
2145         (get_pass_for_id): Likewise.
2146         * passes.c (passes_by_id, passes_by_id_size): New globals.
2147         (set_pass_for_id): New function.
2148         (get_pass_for_id): Likewise.
2149         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
2150         (execute_function_todo): Flush per function statistics.
2151         * toplev.c (compile_file): Init statistics.
2152         (general_init): Do early statistics initialization.
2153         (finalize): Finish statistics.
2154         * statistics.h (statistics_early_init): Declare.
2155         (statistics_init): Likewise.
2156         (statistics_fini): Likewise.
2157         (statistics_fini_pass): Likewise.
2158         (statistics_counter_event): Likewise.
2159         (statistics_histogram_event): Likewise.
2160         * statistics.c: New file.
2161         * Makefile.in (OBJS-common): Add statistics.o.
2162         (statistics.o): Add dependencies.
2163         * doc/invoke.texi (-fdump-statistics): Document.
2164
2165         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
2166         (insert): Likewise.
2167         (execute_pre): Use statistics_counter_event.
2168         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
2169         (substitute_and_fold): Increment it.  Use statistics_counter_event.
2170
2171 2008-05-15  Diego Novillo  <dnovillo@google.com>
2172
2173         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
2174
2175         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
2176         * tree-ssa-alias.c (new_type_alias): Remove references to
2177         sub-variables from comment.
2178         * tree-ssa-operands.c (swap_tree_operands): Likewise.
2179
2180 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2181
2182         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
2183         attribute to 1 only for insertps alternative.
2184
2185 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2186
2187         * config/bfin/bfin.md (loadbytes): New pattern.
2188         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
2189         (bfin_init_builtins): Initialize it.
2190         (bdesc_1arg): Add it.
2191
2192 2008-05-15  Sa Liu  <saliu@de.ibm.com>
2193
2194         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
2195         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
2196         * testsuite/lib/target-supports.exp: Add
2197         check_effective_target_fortran_integer_16.
2198
2199 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2200
2201         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
2202         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
2203         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
2204         (TARGET_RETURN_IN_MEMORY): Define.
2205
2206 2008-05-15  Richard Guenther  <rguenther@suse.de>
2207
2208         PR middle-end/36244
2209         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
2210         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
2211         represent unmodifiable vars.
2212
2213 2008-05-15  Richard Guenther  <rguenther@suse.de>
2214
2215         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
2216         INDIRECT_REF and TARGET_MEM_REF.
2217         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2218         TARGET_MEM_REF.
2219
2220 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
2221             H.J. Lu  <hongjiu.lu@intel.com>
2222
2223         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
2224         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
2225         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
2226         insn alternatives.  Add missing alternatives.
2227         (*vec_concatv2di_rex64_sse4_1): Likewise.
2228         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
2229         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
2230         Require TARGET_SSE.
2231
2232 2008-05-15  Richard Guenther  <rguenther@suse.de>
2233
2234         PR tree-optimization/36009
2235         PR tree-optimization/36204
2236         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
2237         (determine_invariantness_stmt): Record the loop a store is
2238         always executed in.
2239         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
2240         dependency.
2241
2242 2008-05-15  Richard Guenther  <rguenther@suse.de>
2243
2244         PR tree-optimization/34330
2245         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
2246         through the pointer will alias the SMT.
2247
2248 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
2249
2250         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
2251
2252 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
2253
2254         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
2255
2256 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2257             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2258
2259         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
2260         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
2261         (vashl_optab): New optab for vector/vector shifts.
2262         (vashr_optab): Ditto.
2263         (vlshr_optab): Ditto.
2264         (vrotl_optab): Ditto.
2265         (vrotr_optab): Ditto.
2266         (optab_subtype): New enum for optab_for_tree_code call.
2267         (optab_for_tree_code): Add enum optab_subtype argument.
2268
2269         * optabs.c (optab_for_tree_code): Take an additional argument to
2270         distinguish between a vector shift by a scalar and vector shift by
2271         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
2272         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
2273         vector shift by a vector.
2274         (expand_widen_pattern_expr): Pass additional argument to
2275         optab_for_tree_code.
2276
2277         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
2278         vrotl_optab, vrotr_optab.
2279
2280         * expr.c (expand_expr_real_1): Update calls to
2281         optab_for_tree_code to distinguish between vector shifted by a
2282         scalar and vector shifted by a vector.
2283         * tree-vectorizer.c (supportable_widening_operation): Ditto.
2284         (supportable_narrowing_operation): Ditto.
2285         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
2286         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
2287         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
2288         (vect_create_epilog_for_reduction): Ditto.
2289         (vectorizable_reduction): Ditto.
2290         (vectorizable_operation): Ditto.
2291         (vect_strided_store_supported): Ditto.
2292         (vect_strided_load_supported): Ditto.
2293         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
2294         * expmed.c (expand_shift): Ditto.
2295
2296         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
2297         scalar type.
2298         (ashr@var{m}3): Ditto.
2299         (vashl@var{m}3): Document new vector/vector shift standard name.
2300         (vashr@var{m}3): Ditto.
2301         (vlshr@var{m}3): Ditto.
2302         (vrotl@var{m}3): Ditto.
2303         (vrotr@var{m}3): Ditto.
2304
2305         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
2306         (PPERM_INVERT): Ditto.
2307         (PPERM_REVERSE): Ditto.
2308         (PPERM_REV_INV): Ditto.
2309         (PPERM_ZERO): Ditto.
2310         (PPERM_ONES): Ditto.
2311         (PPERM_SIGN): Ditto.
2312         (PPERM_INV_SIGN): Ditto.
2313         (PPERM_SRC1): Ditto.
2314         (PPERM_SRC2): Ditto.
2315
2316         * config/i386/sse.md (mulv2di3): Add SSE5 support.
2317         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
2318         allows a memory operand to be the value being added, and split it
2319         to improve vectorization.
2320         (sse5_pmacsdqh_mem): Ditto.
2321         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
2322         (sse5_mulv2div2di3_high): Ditto.
2323         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
2324         (vec_pack_trunc_v4si): Ditto.
2325         (vec_pack_trunc_v2di): Ditto.
2326         (sse5_pcmov_<mode>): Remove code that tried to use use
2327         andps/andnps instead of pcmov.
2328         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
2329         pmacsdqh instructions.
2330         (vec_widen_smult_lo_v4si): Ditto.
2331
2332         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
2333         (PPERM_INVERT): Ditto.
2334         (PPERM_REVERSE): Ditto.
2335         (PPERM_REV_INV): Ditto.
2336         (PPERM_ZERO): Ditto.
2337         (PPERM_ONES): Ditto.
2338         (PPERM_SIGN): Ditto.
2339         (PPERM_INV_SIGN): Ditto.
2340         (PPERM_SRC1): Ditto.
2341         (PPERM_SRC2): Ditto.
2342         (ix86_expand_sse_movcc): Move the SSE5 test after the if
2343         true/false tests.
2344         (ix86_expand_int_vcond): If SSE5 generate all possible integer
2345         comparisons.
2346         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
2347         says ignore whether the last reference is a memory operand.
2348
2349 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2350             Paolo Bonzini <bonzini at gnu dot org>
2351
2352         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
2353         shift patterns.
2354
2355         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
2356         (vlshr<mode>3): Rename from vlshr<mode>3.
2357         (vashr<mode>3): Rename from vashr<mode>3.
2358         (mulv4sf3): Change the names of vector shift patterns.
2359         (mulv4si3): Ditto.
2360         (negv4sf2): Ditt.
2361
2362         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
2363         shift insns.
2364
2365         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
2366         (SI_SHLHI): Ditto.
2367         (SI_SHL): Ditto.
2368         (SI_SHLI): Ditto.
2369         (SI_ROTH): Ditto.
2370         (SI_ROTHI): Ditto.
2371         (SI_ROT): Ditto.
2372         (SI_ROTI): Ditto.
2373         (SPU_RL_0): Ditto.
2374         (SPU_RL_1): Ditto.
2375         (SPU_RL_2): Ditto.
2376         (SPU_RL_3): Ditto.
2377         (SPU_RL_4): Ditto.
2378         (SPU_RL_5): Ditto.
2379         (SPU_RL_6): Ditto.
2380         (SPU_RL_7): Ditto.
2381         (SPU_SL_0): Ditto.
2382         (SPU_SL_1): Ditto.
2383         (SPU_SL_2): Ditto.
2384         (SPU_SL_3): Ditto.
2385         (SPU_SL_4): Ditto.
2386         (SPU_SL_5): Ditto.
2387         (SPU_SL_6): Ditto.
2388         (SPU_SL_7): Ditto.
2389
2390         * config/spu/spu.md (v): New iterator macro to add v for vector types.
2391         (floatunssidf2_internal): Change vector/vector shift names.
2392         (floatunsdidf2_internal): Ditto.
2393         (mulv8hi3): Ditto.
2394         (ashrdi3): Ditto.
2395         (ashrti3): Ditto.
2396         (cgt_df): Ditto.
2397         (cgt_v2df): Ditto.
2398         (dftsv): Ditto.
2399         (vashl<mode>3): Rename from ashl<mode>3.
2400         (vashr<mode>3): Rename from ashr<mode>3.
2401         (vlshr<mode>3): Rename from lshr<mode>3.
2402         (vrotl<mode>3): Rename from rotl<mode>3.
2403
2404 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2405
2406         PR target/36224
2407         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
2408         multiply gives the wrong value when doing widening multiplies.
2409         (vec_widen_smult_lo_v4si): Ditto.
2410
2411 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
2412
2413         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
2414         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
2415         emit_library_call_value. 
2416         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
2417         * tree.h (ECF_LIBCALL_BLOCK): Removed.
2418         * calls.c (initialize_argument_information, precompute_arguments, 
2419         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
2420         (precompute_arguments): Removed flags parameter.
2421         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
2422         
2423 2008-05-14  Richard Guenther  <rguenther@suse.de>
2424
2425         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
2426         Make sure to register the store if the use is a PHI_NODE.
2427
2428 2008-05-14  Olivier Hainque  <hainque@adacore.com>
2429
2430         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
2431         memory if the component is to be referenced in BLKmode according
2432         to get_inner_reference.
2433
2434 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
2435
2436         * calls.c (emit_library_call_value_1): Restore code clearing
2437         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
2438
2439 2008-05-14  Olivier Hainque  <hainque@adacore.com>
2440             Nicolas Roche  <roche@adacore.com>
2441
2442         * configure.ac: Add support for a "gcc_subdir" variable in
2443         config-lang.in, to denote a subdirectory where the language/GCC
2444         integration files are to be found.
2445         * configure: Regenerate.
2446
2447 2008-05-14  Ira Rosen  <irar@il.ibm.com>
2448
2449         PR tree-optimization/36098
2450         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
2451         value for the first load in the group in case of a gap.
2452         (vect_build_slp_tree): Check that there are no gaps in loads.
2453
2454 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
2455
2456         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
2457         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
2458         expand_copysign_bit, ): Change call to emit_no_conflict_block to
2459         emit_insn and remove unneeded code to construct extra args.
2460         (emit_no_conflict_block): Removed.
2461         * optabls.h: (emit_no_conflict_block): Removed.
2462         * cse.c (cse_extended_basic_block): Remove search for
2463         REG_NO_CONFLICT note.
2464         * global.c: Removed incorrect comment added in revision 117.
2465         * expr.c (convert_move): Change call to emit_no_conflict_block to
2466         emit_insn.
2467         * recog.c: Change comments so that they do not mention
2468         REG_NO_CONFLICT.
2469         * local_alloc.c (combine_regs): Removed last parameter.
2470         (no_conflict_p): Removed.
2471         (block_alloc): Removed note, no_conflict_combined_regno and set
2472         local vars. Removed all code to process REG_NO_CONFLICT blocks.
2473         (combine_regs): Removed already_dead and code to look for
2474         REG_NO_CONFLICT notes.
2475         * lower_subreg (remove_retval_note): Removed code to look for
2476         REG_NO_CONFLICT block.
2477         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
2478         (resolve_clobber): Remove code to process libcalls that have
2479         REG_NO_CONFLICT notes.
2480         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
2481         case.
2482         * combine.c (can_combine_p, distribute_notes):  Removed
2483         REG_NO_CONFLICT case.
2484         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
2485         to emit_insns.
2486         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
2487         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
2488         Ditto.
2489         * reg-notes.def (NO_CONFLICT): Removed.
2490
2491 2008-05-14  David S. Miller  <davem@davemloft.net>
2492
2493         * config/sparc/sparc.c (sparc_profile_hook): If
2494         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
2495         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
2496         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
2497
2498 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2499
2500         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
2501
2502 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
2503
2504         PR target/36222
2505         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
2506         and op1 expansion before vector concat to have less live pseudos.
2507
2508 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
2509
2510         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2511         ix86_expand_vector_set if supported.
2512
2513 2008-05-13  Diego Novillo  <dnovillo@google.com>
2514             Kenneth Zadeck  <zadeck@naturalbridge.com>
2515
2516         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
2517
2518         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
2519         phinodes_print_statistics, init_ssanames, fini_ssanames,
2520         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
2521         release_ssa_name, release_defs, replace_ssa_name_symbol,
2522         ssanames_print_statistics): Move ...
2523         * tree-flow.h: ... here.
2524         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
2525         Use FN instead of cfun.
2526         (make_ssa_name_fn): Rename from make_ssa_name.
2527         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
2528         * tree-flow-inline.h (make_ssa_name): Move from
2529         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
2530         * omp-low.c (expand_omp_parallel):
2531         * tree-flow-inline.h (redirect_edge_var_map_result):
2532         * tree-ssa.c (init_tree_ssa): Add argument FN.
2533         Use it instead of cfun.  Update all users.
2534
2535 2008-05-13  Tom Tromey  <tromey@redhat.com>
2536
2537         PR preprocessor/22168:
2538         * doc/cpp.texi (Top): Update menu.
2539         (Alternatives to Wrapper #ifndef): New node.
2540         (Other Directives): Document deprecation.
2541         (Obsolete Features): Remove menu.
2542         (Assertions): Merge node into Obsolete Features.
2543         (Obsolete once-only headers): Move earlier; rename to Alternatives
2544         to Wrapper #ifndef.
2545         * doc/cppopts.texi: Update.
2546         * c.opt (Wdeprecated): Enable for C and ObjC.
2547         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
2548         (C++ Dialect Options): Move -Wno-deprecated from here to...
2549         (Warning Options): ... here.
2550
2551 2008-05-13  Richard Guenther  <rguenther@suse.de>
2552
2553         PR middle-end/36227
2554         * fold-const.c (fold_sign_changed_comparison): Do not allow
2555         changes in pointer-ness.
2556
2557 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2558
2559         PR target/24713
2560         * config/sh/sh.c (sh_expand_prologue): Don't clear
2561         RTX_FRAME_RELATED_P for push insns.
2562
2563 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
2564
2565         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
2566
2567 2008-05-12  Anatoly Sokolov <aesok@post.ru>
2568
2569         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
2570         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
2571         Use 'machine->is_leaf' instead of 'leaf_func_p'.
2572
2573 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
2574
2575         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
2576         (*vec_concatv4sf_sse): This.
2577         (*sse2_concatv2si): Renamed to ...
2578         (*vec_concatv2si_sse2): This.
2579         (*sse1_concatv2si): Renamed to ...
2580         (*vec_concatv2si_sse): This.
2581         (*vec_concatv2di_rex): Renamed to ...
2582         (*vec_concatv2di_rex64): This.
2583         (*vec_concatv2si_sse4_1): New.
2584         (*vec_concatv2di_rex64_sse4_1): Likewise.
2585
2586 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
2587
2588         PR rtl-optimization/36111
2589         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
2590         that was created for swappable operands.
2591
2592 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
2593
2594         PR ada/36001
2595         * Makefile.in: Substitute GNATMAKE and GNATBIND.
2596         * configure.ac: Add call to ACX_PROG_GNAT.
2597
2598 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
2599
2600         * optc-gen.awk: Fix comment typo.
2601
2602 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
2603
2604         * pretty-print.c (pp_integer_with_precision): Use
2605         HOST_LONG_LONG_FORMAT.
2606
2607 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
2608
2609         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
2610                 
2611 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
2612
2613         * config/i386/i386.c (bdesc_ptest): Removed.
2614         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
2615         (bdesc_args): Add __builtin_ia32_ptestz128,
2616         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
2617         (ix86_init_mmx_sse_builtins): Updated.
2618         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
2619         (ix86_expand_builtin): Updated.
2620
2621 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
2622
2623         * tree-cfg.c (valid_fixed_convert_types_p): New function.
2624         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
2625
2626 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
2627
2628         * value-prof.c (interesting_stringop_to_profile): Do not
2629         return early for BUILT_IN_MEMPCPY.
2630
2631 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
2632
2633         * calls.c (expand_call): Don't use callgraph to increase
2634         preferred_stack_boundary.
2635
2636         * cgraph.h (cgraph_rtl_info): Use unsigned on
2637         preferred_incoming_stack_boundary.
2638
2639         * final.c (rest_of_clean_state): Use unsigned on
2640         preferred_stack_boundary.
2641
2642 2008-05-09  Tom Tromey  <tromey@redhat.com>
2643
2644         PR preprocessor/22231:
2645         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
2646         proceeding.
2647
2648 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
2649
2650         PR tree-optimization/36129
2651         * tree-ssa-ccp.c: Include value-prof.h.
2652         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
2653         built-in function was folded to a constant.
2654         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
2655
2656 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
2657             Sebastian Pop  <sebastian.pop@amd.com>
2658
2659         * tree-scalar-evolution.c: Document instantiate_scev.
2660         (instantiate_parameters_1): Renamed instantiate_scev_1.
2661         Don't use the same loop for instantiation_loop and evolution_loop.
2662         (instantiate_scev): New.
2663         (instantiate_parameters): Moved...
2664         (resolve_mixers): Update call to instantiate_scev_1 to pass the
2665         same loop twice.  Maintains the semantics for this function.
2666         * tree-scalar-evolution.h (instantiate_scev): Declare.
2667         (instantiate_parameters): ...here.  Now static inline.
2668         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
2669         instead of resolve_mixers.
2670
2671 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
2672
2673         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
2674
2675 2008-05-09  Tomas Bily  <tbily@suse.cz>
2676
2677         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
2678         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
2679         * tree-ssa-structalias.c (get_constraint_for): Likewise.
2680         * c-common.c (c_common_truthvalue_conversion): Likewise.
2681         * tree-object-size.c (compute_object_offset): Likewise.
2682         * tree-inline.c (estimate_num_insns_1): Likewise.
2683         * varasm.c (const_hash_1, compare_constant, copy_constant)
2684         (compute_reloc_for_constant, output_addressed_constants)
2685         (initializer_constant_valid_p): Likewise.
2686         * c-omp.c (check_omp_for_incr_expr): Likewise.
2687         * gimplify.c (gimplify_expr): Likewise.
2688         * c-typeck.c (c_finish_return): Likewise.
2689         * tree-vectorizer.c (supportable_widening_operation)
2690         (supportable_narrowing_operation): Likewise.
2691         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
2692         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
2693         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
2694         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
2695         (descr_info_loc): Likewise.
2696         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
2697         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
2698         (fold_unary): Likewise.
2699         * builtins.c (get_pointer_alignment): Likewise.
2700         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
2701         (instantiate_parameters_1): Likewise.
2702         * tree.c (expr_align, stabilize_reference): Likewise.
2703         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2704         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
2705         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
2706         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
2707         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
2708         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
2709         Likewise.
2710         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
2711         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
2712         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
2713         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
2714         (forward_propagate_comparison)
2715         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2716         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
2717         * emit-rtl.c (component_ref_for_mem_expr)
2718         (set_mem_attributes_minus_bitpos): Likewise.
2719         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
2720         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
2721         Likewise.
2722         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
2723         (build_function_call, pointer_diff, build_compound_expr)
2724         (c_finish_return): Likewise.
2725         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
2726         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
2727         Likewise.
2728         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
2729         * expr.c (is_aligning_offset): Likewise.
2730         * tree-ssa-alias.c (is_escape_site): Likewise.
2731         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
2732         (check_all_va_list_escapes): Likewise.
2733         * tree-ssa-loop-ivopts.c (determine_base_object)
2734         (determine_common_wider_type): Likewise.
2735         * dojump.c (do_jump): Likewise.
2736         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
2737         * tree-gimple.c (is_gimple_cast): Likewise.
2738         * fold-const.c (decode_field_reference, )
2739         (fold_sign_changed_comparison, fold_unary, fold_comparison)
2740         (fold_binary): Likewise.
2741         * tree-ssa-alias-warnings.c (find_alias_site_helper)
2742         (already_warned_in_frontend_p): Likewise.
2743         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
2744         * tree.c (really_constant_p, get_unwidened): Likewise.
2745         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
2746         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
2747         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
2748         Likewise.
2749         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
2750         CONVERT_EXPR_P.
2751         (CONVERT_EXPR_P): Define.
2752         (CASE_CONVERT): Define.
2753         
2754 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
2755
2756         PR middle-end/36117
2757         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
2758         (delete_unmarked_insns): When deleting a call, call
2759         delete_unreachable_blocks.
2760         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
2761         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
2762
2763 2008-05-08  Richard Guenther  <rguenther@suse.de>
2764
2765         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
2766         (-ftree-salias): Likewise.
2767         (salias-max-implicit-fields): Remove param documentation.
2768         (salias-max-array-elements): Likewise.
2769         * tree-pass.h (pass_create_structure_vars): Remove.
2770         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
2771         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
2772         * tree-ssa-alias.c (create_structure_vars): Remove.
2773         (gate_structure_vars): Likewise.
2774         (pass_create_structure_vars): Likewise.
2775         (gate_build_alias): Likewise.
2776         (pass_build_alias): Adjust to run always and dump the function.
2777         * common.opt (ftree-salias): Hide.
2778         * passes.c (init_optimization_passes): Remove
2779         pass_create_structure_vars, adjust comment.
2780         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
2781         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
2782         * opts.c (decode_options): Do not set flag_tree_salias.
2783         (common_handle_option): Add OPT_ftree_salias to the backward
2784         compatibility section.
2785
2786 2008-05-08  Richard Guenther  <rguenther@suse.de>
2787
2788         * tree-flow-inline.h (var_can_have_subvars): Move ...
2789         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
2790         * tree-flow.h (var_can_have_subvars): Remove.
2791         (push_fields_onto_fieldstack): Remove.
2792         (sort_fieldstack): Likewise.
2793         (struct fieldoff): Move ...
2794         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
2795         alias_set and base_for_components fields.
2796         (sort_fieldstack): Make static.
2797         (push_fields_onto_fieldstack): Likewise.  Remove code that
2798         handles anything but RECORD_TYPEs.  Remove alias_set and
2799         base_for_components handling.
2800         (create_variable_info_for): Adjust.
2801
2802 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
2803
2804         * common.opt (Wframe-larger-than=): Shorten the help message
2805         to one line.
2806         * doc/invoke.texi (Wframe-larger-than=): Add more description.
2807
2808 2008-05-08  Rafael Espindola  <espindola@google.com>
2809
2810         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
2811         trap.
2812         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
2813         trap and that both operands are gimple values.
2814         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
2815         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
2816         is a fp operation.
2817
2818 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2819
2820         * read-rtl.c (join_c_conditions): Return the first string if the
2821         two strings are equal.
2822
2823 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2824
2825         * gensupport.h (pred_data): Add a "num_codes" field.
2826         (add_predicate_code): Declare.
2827         * gensupport.c (add_predicate_code): New function.
2828         (std_pred_table): Add an "allows_const_p" field.
2829         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
2830         Remove the (incomplete) list of such codes from the codes field.
2831         (init_predicate_table): Use add_predicate_code.  Add all
2832         RTX_CONST_OBJs if allows_const_p is true.
2833         * genrecog.c (process_define_predicate): Use add_predicate_code.
2834
2835 2008-05-08  David Daney  <ddaney@avtrex.com>
2836             Richard Sandiford  <rsandifo@nildram.co.uk>
2837         
2838         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
2839         special case of constant zero operands.
2840         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
2841         old and new values.  Special case constant zero values.
2842         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
2843         fails.
2844         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
2845         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
2846
2847 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
2848
2849         PR target/36090
2850         * simplify-rtx.c (simplify_plus_minus): Create CONST of
2851         similar RTX_CONST_OBJ before CONST_INT.
2852
2853 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
2854
2855         * stmt.c (expand_stack_restore): Change sa mode if needed.
2856
2857 2008-05-08  Richard Guenther  <rguenther@suse.de>
2858
2859         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
2860         return type to bool.
2861         (ix86_sol10_return_in_memory): Likewise.
2862         (ix86_i386elf_return_in_memory): Likewise.
2863         (ix86_i386interix_return_in_memory): Likewise.
2864         * config/i386/i386.c (ix86_return_in_memory): Likewise.
2865         (ix86_sol10_return_in_memory): Likewise.
2866         (ix86_i386elf_return_in_memory): Likewise.
2867         (ix86_i386interix_return_in_memory): Likewise.
2868
2869 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
2870
2871         PR bootstrap/36180
2872         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
2873         fndecl argument.
2874         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
2875         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
2876         declared in front.
2877
2878 2008-05-08  Richard Guenther  <rguenther@suse.de>
2879
2880         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
2881         * tree-data-ref.h (struct dr_alias): Remove subvars field.
2882         (DR_SUBVARS): Remove.
2883         * tree-dfa.c (dump_subvars_for): Remove.
2884         (debug_subvars_for): Likewise.
2885         (dump_variable): Do not dump subvars.
2886         (remove_referenced_var): Do not remove subvars.
2887         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
2888         (lookup_subvars_for_var): Remove.
2889         (get_subvars_for_var): Likewise.
2890         (get_subvars_at): Likewise.
2891         (get_first_overlapping_subvar): Likewise.
2892         (overlap_subvar): Likewise.
2893         * tree-flow.h (subvar_t): Remove.
2894         (struct var_ann_d): Remove subvars field.
2895         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
2896         argument.  Remove special handling of SFTs.
2897         (compute_tag_properties): Likewise.
2898         (set_initial_properties): Likewise.
2899         (compute_call_clobbered): Likewise.
2900         (count_mem_refs): Likewise.
2901         (compute_memory_partitions): Likewise.
2902         (compute_flow_insensitive_aliasing): Likewise.
2903         (setup_pointers_and_addressables): Likewise.
2904         (new_type_alias): Likewise.
2905         (struct used_part): Remove.
2906         (used_portions): Likewise.
2907         (struct used_part_map): Likewise.
2908         (used_part_map_eq): Likewise.
2909         (used_part_map_hash): Likewise.
2910         (free_used_part_map): Likewise.
2911         (up_lookup): Likewise.
2912         (up_insert): Likewise.
2913         (get_or_create_used_part_for): Likewise.
2914         (create_sft): Likewise.
2915         (create_overlap_variables_for): Likewise.
2916         (find_used_portions): Likewise.
2917         (create_structure_vars): Likewise.
2918         * tree.def (STRUCT_FIELD_TAG): Remove.
2919         * tree.h (MTAG_P): Adjust.
2920         (struct tree_memory_tag): Remove base_for_components and
2921         unpartitionable flags.
2922         (struct tree_struct_field_tag): Remove.
2923         (SFT_PARENT_VAR): Likewise.
2924         (SFT_OFFSET): Likewise.
2925         (SFT_SIZE): Likewise.
2926         (SFT_NONADDRESSABLE_P): Likewise.
2927         (SFT_ALIAS_SET): Likewise.
2928         (SFT_UNPARTITIONABLE_P): Likewise.
2929         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
2930         (union tree_node): Remove sft field.
2931         * alias.c (get_alias_set): Remove special handling of SFTs.
2932         * print-tree.c (print_node): Remove handling of SFTs.
2933         * tree-dump.c (dequeue_and_dump): Likewise.
2934         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
2935         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
2936         * tree-predcom.c (set_alias_info): Do not set subvars.
2937         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
2938         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
2939         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
2940         (add_vars_for_offset): Remove.
2941         (add_virtual_operand): Remove special handling of SFTs.
2942         (add_call_clobber_ops): Likewise.
2943         (add_call_read_ops): Likewise.
2944         (get_asm_expr_operands): Likewise.
2945         (get_modify_stmt_operands): Likewise.
2946         (get_expr_operands): Likewise.
2947         (add_to_addressable_set): Likewise.
2948         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
2949         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
2950         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
2951         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
2952         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
2953         (tree_node_structure): Likewise.
2954         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
2955         handling of SFTs.
2956         (find_what_p_points_to): Likewise.
2957
2958 2008-05-08  Sa Liu  <saliu@de.ibm.com>
2959
2960         * config/spu/spu.md: Fixed subti3 pattern.
2961
2962 2008-05-08  Richard Guenther  <rguenther@suse.de>
2963
2964         PR middle-end/36154
2965         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
2966         sure to create a representative for trailing arrays for PTA.
2967
2968 2008-05-08  Richard Guenther  <rguenther@suse.de>
2969
2970         PR middle-end/36172
2971         * fold-const.c (operand_equal_p): Two objects which types
2972         differ in pointerness are not equal.
2973
2974 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
2975
2976         * calls.c (compute_argument_block_size): Add argument tree fndecl.
2977         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
2978         (emit_library_call_value_1): Add new variable fndecl initialized by
2979         NULL_TREE. It should be the decl type of orgfun, but this information
2980         seems not to be available here, so it uses the default calling abi.
2981         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
2982         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
2983         by TARGET_RETURN_IN_MEMORY.
2984         * config/i386/i386-interix.h: Likewise.
2985         * config/i386/i386.h: Likewise.
2986         * config/i386/i386elf.h: Likewise.
2987         * config/i386/ptx4-i.h: Likewise.
2988         * config/i386/sol2-10.h: Likewise.
2989         * config/i386/sysv4.h: Likewise.
2990         * config/i386/vx-common.h: Likewise.
2991         * config/cris/cris.h: Removed #if 0 clause.
2992         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
2993         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
2994         argument.
2995         (ix86_sol10_return_in_memory): Likewise.
2996         (ix86_i386elf_return_in_memory): New.
2997         (ix86_i386interix_return_in_memory): New.
2998         * config/mt/mt-protos.h (mt_return_in_memory): New.
2999         * config/mt/mt.c: Likewise.
3000         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
3001         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
3002         * config/bfin/bfin.h: Likewise.
3003         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
3004         argument.
3005         * config/bfin/bfin.c: Likewise.
3006         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
3007         * config/alpha/unicosmk.h: Likewise.
3008         * config/i386/cygming.h: Likewise.
3009         * config/iq2000/iq2000.h: Likewise.
3010         * config/mips/mips.h: Likewise.
3011         * config/mn10300/mn10300.h: Likewise.
3012         * config/rs6000/rs6000.h: Likewise.
3013         * config/score/score.h: Likewise.
3014         * config/spu/spu.h: Likewise.
3015         * config/v850/v850.h: Likewise.
3016         * defaults.h: Likewise.
3017         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
3018         * expr.c (emit_block_move): Adjust use of
3019         OUTGOING_REG_PARM_STACK_SPACE.
3020         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
3021         OUTGOING_REG_PARM_STACK_SPACE.
3022         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
3023
3024 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
3025
3026         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
3027         on OMP_RETURN for OMP_FOR.
3028
3029         PR debug/35896
3030         * dwarf2out.c (dw_expand_expr, common_check): Removed.
3031         (fortran_common): New function.
3032         (gen_variable_die): Call fortran_common instead of common_check,
3033         adjust for it returning tree instead of rtx.  Formatting.
3034
3035 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
3036
3037         PR rtl/7335
3038         PR rtl/33826
3039         * see.c (see_copy_insn): Copy new pure const attributes for new call.
3040         * c-decl.c (merge_decls): Ditto.
3041         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
3042         to RTL_CONST_OR_PURE_CALL_P.
3043         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
3044         Initialized DECL_LOOPING_CONST_PURE.
3045         (process_call_operands): Set tree_side_effects properly.
3046         * tree.h (TREE_READONLY_DECL_P): Removed.
3047         (DECL_IS_PURE): Renamed to DECL_PURE_P.
3048         (DECL_LOOPING_OR_CONST_P): New macro.
3049         (struct tree_function_decl): Added looping_const_or_pure_p.
3050         (ECF_*) Renumbered.
3051         (ECF_LOOPING_OR_CONST_P): New macro.
3052         * rtlanal.c (pure_const_p): Removed.
3053         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
3054         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
3055         to RTL_CONST_CALL_P.
3056         * ipa-pure-const.c (pure_const_state_e): Added looping field.
3057         (check_decl, check_tree, check_call, scan_function): Initialize
3058         looping.
3059         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
3060         (static_execute): Set looping true for recursive functions.
3061         Undo setting state to IPA_NEITHER for recursive functions.
3062         * cse.c (cse_insn): 
3063         * ifcvt.c (noce_can_store_speculate_p): Changed
3064         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
3065         RTL_CONST_OR_PURE_CALL_P.
3066         * dse.c (scan_insn): Ditto.
3067         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
3068         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
3069         RTL_CONST_OR_PURE_CALL_P.
3070         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
3071         pure_call_p to RTL_CONST_CALL_P.
3072         * gimplify.c (gimplify_call_expr): Clear side effects for
3073         non-looping pure and constant calls.
3074         * calls.c (emit_call_1): Set rtl flags from ecf flags.
3075         (flags_from_decl_or_type): Set ecf flags from decl flags.
3076         (initialize_argument_information): Turn off
3077         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
3078         Change const to pure if callee_copies is true rather than just
3079         turning off const.
3080         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
3081         way of marking pure calls.
3082         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
3083         Remove hack that was supposed to fix pr7335 and remove old
3084         way of marking pure calls.
3085         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
3086         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
3087         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
3088         RTL_CONST_OR_PURE_CALL_P.
3089         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
3090         * loop-invariant.c (find_exits, find_invariant_bb): Changed
3091         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
3092         * sched-deps.c (schedule_analyze): Ditto.
3093         * rtl.h (struct rtx_def): Use call field, unchanging field, and
3094         return_val field of calls to represent pure and const function info.
3095         (CONST_OR_PURE_CALL_P): Deleted macro.
3096         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
3097         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
3098         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
3099         TREE_READONLY.
3100         * tree-optimize.c (execute_fixup_cfg): Added test for
3101         ECF_LOOPING_CONST_OR_PURE.
3102         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
3103         DECL_PURE_P.
3104         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
3105         effects for looping pure or const calls.
3106         (verify_gimple_expr): Added verification code. 
3107         * config/alpha/alpha.c (alpha_legitimize_address,
3108         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
3109         RTL_CONST_CALL_P.
3110         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
3111         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
3112         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
3113         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
3114         RTL_CONST_OR_PURE_CALL_P.
3115         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
3116         and const calls to be deleted.
3117
3118 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
3119
3120         PR target/35714
3121         * config/i386/mmx.md (mmx_subv2sf3): New expander.
3122         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
3123         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
3124         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3125         to handle nonimmediate operands.
3126         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
3127         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
3128         to handle nonimmediate operands.
3129         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
3130         (mmx_pmulhrwv4hi3): New expander.  Use
3131         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3132         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
3133         (sse2_umulv1siv1di3): New expander.  Use
3134         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3135         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
3136         (mmx_eq<mode>3): New expander.  Use
3137         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3138         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
3139         (mmx_uavgv8qi3): New expander.  Use
3140         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3141         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
3142         (mmx_uavgv4hi3): New expander.  Use
3143         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3144
3145         * config/i386/sse.md
3146         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
3147         to handle nonimmediate operands.
3148         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
3149         to handle nonimmediate operands.
3150         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
3151         to handle nonimmediate operands.
3152         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
3153         to handle nonimmediate operands.
3154         (sse2_unpckhpd_exp): New expander.  Use
3155         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3156         (sse2_unpcklpd_exp): New expander.  Use
3157         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3158         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
3159         to handle nonimmediate operands.
3160         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
3161         to handle nonimmediate operands.
3162         (*sse2_<plusminus_insn><mode>3): Rename from
3163         sse2_<plusminus_insn><mode>3 insn pattern.
3164         (sse2_<plusminus_insn><mode>3): New expander.  Use
3165         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3166         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
3167         (sse2_umulv2siv2di3): New expander.  Use
3168         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3169         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
3170         (sse4_1_mulv2siv2di3): New expander.  Use
3171         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3172         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
3173         (sse2_pmaddwd): New expander.  Use
3174         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3175         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
3176         (sse2_eq<mode>3): New expander.  Use
3177         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3178         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
3179         (sse4_1_eqv2di3): New expander.  Use
3180         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3181         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
3182         (sse2_uavgv16qi3): New expander.  Use
3183         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3184         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
3185         (sse2_uavgv16qi3): New expander.  Use
3186         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3187         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
3188         (sse2_uavgv8hi3): New expander.  Use
3189         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3190         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
3191         (ssse3_pmulhrswv8hi3): New expander.  Use
3192         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3193         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
3194         (ssse3_pmulhrswv4hi3): New expander.  Use
3195         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3196
3197         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
3198         (<sse>_vmmul<mode>3): Ditto.
3199         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
3200         (divv2df3): Ditto.
3201         (ssse3_pmaddubsw128): Use register_operand for operand 1.
3202         (ssse3_pmaddubsw): Ditto.
3203
3204         * config/i386/i386.c (struct_builtin_description)
3205         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
3206         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
3207         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
3208         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
3209         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
3210         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
3211         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
3212         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
3213         (ix86_fixup_binary_operands): Assert that src1
3214         and src2 must have the same mode when swapped.
3215         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
3216         and ix86_binary_operator_ok.  Do not force operands in registers
3217         when optimizing.
3218
3219 2008-05-07  Jan Hubicka  <jh@suse.cz>
3220
3221         * cgraph.c (dump_cgraph_node): Update.
3222         * cgraph.h (cgraph_local_info): Break out inline summary.
3223         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
3224         hook.
3225         * ipa-inline (inline_summary): New accestor function.
3226         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
3227         cgraph_decide_inlining, compute_inline_parameters): Update.
3228         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
3229
3230 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
3231
3232         Cleanup ColdFire scheduling support and add V4 pipeline model.
3233
3234         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
3235         (define_attr cpu): Add cfv4 value.
3236         (define_attr type, define_attr type1): Merge into a single 'type'
3237         attribute.  Update all uses.
3238         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
3239         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
3240         Update all uses.
3241         (define_attr opx_mem, define_attr opy_mem): Remove.
3242         (define_attr op_mem): Clean up, update comment.
3243         (define_attr size): Use specific values instead of general int.
3244         (define_attr guess, define_attr split): Remove.  Update all uses.
3245         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
3246         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
3247         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
3248         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
3249         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
3250         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
3251         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
3252         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
3253         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
3254         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
3255         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
3256         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
3257         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
3258         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
3259         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
3260         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
3261         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
3262         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
3263         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
3264         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
3265         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
3266         Update or set attributes.
3267         (stack_tie): New fake instruction.
3268
3269         * config/m68k/m68k.h (TUNE_CFV4): New macro.
3270         (m68k_sched_attr_size): Update declaration.
3271         (m68k_sched_attr_type2): Remove.
3272         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
3273         Declare new bypass predicates.
3274
3275         * config/m68k/m68k.c (m68k_sched_issue_rate,
3276         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
3277         implementations.
3278         (TARGET_SCHED_ISSUE_RATE,
3279         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
3280         (override_options): Handle scheduling for ColdFire V4 core.
3281         (m68k_expand_prologue): Emit stack_tie.
3282         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
3283         'OP_TYPE_FPN'.  Update all uses.
3284         (sched_guess_p): Remove.
3285         (sched_address_type): Handle symbolic addresses.
3286         (sched_get_operand): New static function.
3287         (sched_operand_type): Merge into sched_attr_op_type.
3288         (sched_attr_op_type): Handle FP registers, handle quick constants,
3289         update.
3290         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
3291         (m68k_sched_attr_size): Update.  Move logic to ...
3292         (sched_get_attr_size_int): New static function.
3293         (sched_get_opxy_mem_type): New static function.
3294         (m68k_sched_attr_op_mem): Update.
3295         (m68k_sched_attr_type2): Remove.
3296         (sched_cfv4_bypass_data): New static variable.
3297         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
3298         (m68k_sched_issue_rate): Implement scheduler hook.
3299         (struct _sched_ib: enabled_p): New field.
3300         (m68k_sched_variable_issue): Update.  Handle V4.
3301         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
3302         sched_dump_class_func_t, sched_dump_split_class,
3303         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
3304         sched_dump_dfa_class, m68k_sched_dump): Remove.
3305         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
3306         hook.
3307         (m68k_sched_init_global): Remove statisctics dumping, introduce
3308         sanity check that all instructions have pipeline reservations.  Handle
3309         ColdFire V4 core.
3310         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
3311         Handle ColdFire V4 core.
3312         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
3313         New static functions.
3314         (m68k_sched_address_bypass_p): New bypass predicate.
3315         (sched_get_indexed_address_scale): New static function.
3316         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
3317
3318         * cf.md: Update comments.
3319         (define_attr type2): Remove.  Use 'type' attribute instead.
3320         Update all uses.
3321         (cf_ib): Rename to cfv123_ib.  Update all uses.
3322         (cf_oep): Rename to cfv123_oep.  Update all uses.
3323         (cf_chr): Rename to cfv123_chr.  Update all uses.
3324         (cf_mem): Rename to cfv123_mem.  Update all uses.
3325         (cf_mac): Move to more appropriate place.
3326         (cfv123_guess): New automaton and cpu_unit.
3327         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
3328         Update uses of 'size' attribute.  Handle before reload scheduling.
3329         (cfv123_guess): New dummy reservation for unhandled instructions.
3330         (cfv4_*): Pipeline description of ColdFire V4 core.
3331         (ignore): New reservation to handle 'ignore' type.
3332
3333 2008-05-07  Ian Lance Taylor  <iant@google.com>
3334
3335         PR middle-end/36013
3336         * gimplify.c (find_single_pointer_decl_1): Don't look through
3337         indirections.
3338         (find_single_pointer_decl): Adjust comments.
3339
3340 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
3341
3342         PR middle-end/36137
3343         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
3344         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
3345
3346         PR middle-end/36106
3347         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
3348         integral type rather than floating point, then VIEW_CONVERT_EXPR
3349         to the floating point type.
3350
3351 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
3352
3353         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
3354         TFmode op0 to register.
3355
3356 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
3357
3358         * c-decl.c (grokdeclarator): Comment typo.
3359
3360 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
3361
3362         * tree-flow.h: Remove prototype for computed_goto_p.
3363         * tree-cfg.c (computed_goto_p): Make static.
3364
3365 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3366
3367         PR target/35657
3368         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
3369         (contains_aligned_value_p): This.  Handle _Decimal128.
3370         (ix86_function_arg_boundary): Only align _Decimal128 to its
3371         natural boundary and handle it properly.
3372
3373 2008-05-06  Martin Jambor  <mjambor@suse.cz>
3374
3375         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
3376         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
3377         (ipcp_method_set_orig_node): Removed.
3378         (ipcp_cval_get_cvalue_type): Removed.
3379         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
3380         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
3381         (ipcp_cval_set_cvalue_type): Removed.
3382         (ipcp_cval_get_cvalue): Removed.
3383         (ipcp_cval_set_cvalue): Removed.
3384         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
3385         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
3386         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
3387         (ipcp_cval_meet): Renamed to ipa_lattice_meet
3388         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
3389         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
3390         (ipcp_get_ith_lattice): Changed parameters.
3391         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
3392         (ipcp_lattice_from_jfunc): Changed parameters.
3393         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
3394         (ipcp_method_cval_print): Added temporary variable info.
3395         (ipcp_redirect): Removed already unused local variable caller.
3396         (ipcp_redirect): New temporary variable orig_callee_info
3397         (ipcp_redirect): Removed newly unused local variable callee.
3398         (ipcp_redirect): Removed (a bit confusing) local variable type.
3399         (ipcp_insert_stage): Added local variable info.
3400         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
3401         renamed too
3402         (ipcp_formal_create): Removed.
3403         (ipcp_method_cval_set): Removed.
3404         (ipcp_propagate_stage): Renamed lattice variables.
3405         (ipcp_method_cval_set_cvalue_type): Removed.
3406         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
3407         (ipcp_print_all_lattices): Changed printed strings to refer to 
3408         lattices rather than cvals.
3409         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
3410         (ipcp_propagate_const): Changed formal parameters.
3411         (build_const_val): Changed formal parameters.
3412         (ipcp_insert_stage): Removed useless variable cvalue
3413         (build_const_val): Changed formal parameters.
3414         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
3415         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
3416         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
3417         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
3418         (ipcp_print_func_profile_counts): Changed string from "method" to 
3419         "function"
3420         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
3421         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
3422         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
3423         (ipcp_structures_print): Renamed to ipcp_print_all_structures
3424         (ipcp_profile_print): Renamed to ipcp_print_profile_data
3425         (ipcp_lat_is_const): Changed parameters and made inline.
3426         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
3427         (ipcp_redirect): Renamed to ipcp_need_redirect_p
3428         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
3429         the predicate condition directly
3430         (ipcp_propagate_stage): Added local variable args. Removed local
3431         variable callee.  (Both are mere code simplifications.)
3432         (ipcp_method_dont_insert_const): Renamed to
3433         ipcp_node_not_modifiable_p.
3434         (ipcp_node_not_modifiable_p): Made inline.
3435         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
3436         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
3437         (ipcp_print_all_lattices): Removed variable cvalue
3438         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
3439         Updated comments.
3440
3441 2008-05-06  Olivier Hainque  <hainque@adacore.com>
3442
3443         * tree-sra.c (try_instantiate_multiple_fields): Early return
3444         if field has POINTER_TYPE.
3445
3446 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
3447
3448         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
3449         by using 'q' specifier for instruction.
3450         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
3451
3452 2008-05-06  Anatoly Sokolov <aesok@post.ru>
3453
3454         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
3455         Change mode of zero_extract from QImode to HImode.
3456         (sign bit tests peepholes): (Ditto.).
3457
3458 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
3459
3460         * config/i386/mmx.md: Remove double backslashes from asm templates.
3461         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
3462         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3463         to handle nonimmediate operands.
3464         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
3465         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3466         to handle nonimmediate operands.
3467         (*mmx_<code>v2sf3_finite): New insn pattern.
3468         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
3469         (mmx_<code>v2sf3): New expander.  Use
3470         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3471         (mmx_<plusminus_insn><mode>3): New expander.  Use
3472         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3473         (*mmx_<plusminus_insn><mode>3): New insn pattern.
3474         (mmx_add<mode>3): Removed.
3475         (mmx_ssadd<mode>3): Ditto.
3476         (mmx_usadd<mode>3): Ditto.
3477         (mmx_sub<mode>3): Ditto.
3478         (mmx_sssub<mode>3): Ditto.
3479         (mmx_ussub<mode>3): Ditto.
3480         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
3481         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
3482         to handle nonimmediate operands.
3483         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
3484         insn pattern.
3485         (mmx_smulv4hi3_highpart): New expander.  Use
3486         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3487         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
3488         insn pattern.
3489         (mmx_umulv4hi3_highpart): New expander.  Use
3490         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3491         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
3492         (mmx_<code>v4hi3): New expander.  Use
3493         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3494         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
3495         (mmx_<code>v8qi3): New expander.  Use
3496         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3497         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
3498         (mmx_<code><mode>3): New expander.  Use
3499         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3500
3501 2008-05-05  Jan Hubicka  <jh@suse.cz>
3502
3503         PR tree-optimization/36118
3504         * passes.c (pass_init_dump_file): Fix dump header.
3505
3506 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3507
3508         PR middle-end/36141
3509         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
3510         VCE for function decls.
3511
3512 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
3513
3514         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
3515
3516 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
3517
3518         * config/i386/i386.md (sat_plusminus): New.
3519         (plusminus_insn): Likewise.
3520         (plusminus_mnemonic): Likewise.
3521         (addsub): Removed.
3522         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
3523         (*<addsub><mode>3_cc_overflow): Renamed to ...
3524         (*<plusminus_insn><mode>3_cc_overflow): This.
3525         (*<addsub>si3_zext_cc_overflow): Renamed to ...
3526         (*<plusminus_insn>si3_zext_cc_overflow): This.
3527
3528         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
3529         (<plusminus_insn><mode>3): This.
3530         (*<addsub><mode>3): Renamed to ...
3531         (*<plusminus_insn><mode>3): This.
3532         (<sse>_vm<addsub><mode>3): Renamed to ...
3533         (<sse>_vm<plusminus_insn><mode>3): This.
3534         (sse3_h<addsub>v4sf3): Renamed to ...
3535         (sse3_h<plusminus_insn>v4sf3): This.
3536         (sse3_h<addsub>v2df3): Renamed to ...
3537         (sse3_h<plusminus_insn>v2df3): This.
3538         (<plusminus_insn><mode>3): New.
3539         (*<plusminus_insn><mode>3): Likewise.
3540         (sse2_<plusminus_insn><mode>3): Likewise.
3541         (add<mode>): Removed.
3542         (*add<mode>3): Likewise.
3543         (sse2_ssadd<mode>3): Likewise.
3544         (sse2_usadd<mode>3): Likewise.
3545         (sub<mode>3): Likewise.
3546         (*sub<mode>3): Likewise.
3547         (sse2_sssub<mode>3): Likewise.
3548         (sse2_ussub<mode>3): Likewise.
3549
3550 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
3551
3552         * gthr-single.h: Add in required interface elements as per gthr.h.
3553         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
3554         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
3555         Generalize UNUSED macro. 
3556         (__gthread_once): Add.
3557         (__gthread_key_create): Add.
3558         (__gthread_key_delete): Add.
3559         (__gthread_getspecific): Add.
3560         (__gthread_setspecific): Add.
3561         
3562 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
3563
3564         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
3565         the same size types for the indirect reference on the rhs, then
3566         create a VCE.
3567
3568 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
3569
3570         * config/i386/i386.md
3571         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
3572         one insn template instead of template series.
3573         (*xordi_1_rex64): Ditto.
3574         (*xordi_2_rex64): Ditto.
3575
3576 2008-05-05  Ira Rosen  <irar@il.ibm.com>
3577
3578         PR tree-optimization/36119
3579         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
3580         in case of SLP.
3581
3582 2008-06-04  Jan Hubicka  <jh@suse.cz>
3583
3584         tree-optimization/36100
3585         * tree-pass.h (pass_O0_always_inline): Declare.
3586         * ipa-inline.c (inline_transform): Remove dead code.
3587         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
3588         pass_O0_always_inline): New.
3589         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
3590
3591 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
3592
3593         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
3594         mnemonic in this_param move for TARGET_64BIT.
3595
3596 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
3597
3598         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
3599         (*strmovsi_rex_1): Ditto.
3600         (*strsetsi_1): Ditto.
3601         (*strsetsi_rex_1): Ditto.
3602
3603         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
3604         adddicc expanders using SWI mode iterator.
3605
3606 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
3607
3608         PR target/36121
3609         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
3610         argument handling.
3611
3612 2008-05-04  David S. Miller  <davem@davemloft.net>
3613
3614         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
3615         (sparc*-*-linux*): Use linux.h in tm_file.
3616         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
3617         compiler defaulting to 32-bit.
3618         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
3619         no longer needed.
3620         * config/sparc/linux.h: Remove definitions now obtained
3621         properly from linux.h
3622         * config/sparc/linux64.h: Likewise.
3623         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
3624         don't want this setting for 32-bit builds in a biarch compiler.
3625         * doc/install.texi: Add sparc-linux to list of targets
3626         supporting --enable-targets=all.
3627
3628 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
3629
3630         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
3631
3632 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
3633
3634         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
3635         after V4SI_FTYPE_V8HI.
3636         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
3637         case V4SI_FTYPE_V2DF.
3638
3639 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
3640
3641         * doc/invoke.texi (max-flow-memory-locations): Removed.
3642         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
3643         
3644 2008-05-03  Richard Guenther  <rguenther@suse.de>
3645
3646         PR middle-end/34973
3647         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
3648
3649 2008-05-02  David S. Miller  <davem@davemloft.net>
3650
3651         * config.gcc (need_64bit_hwint): Document libcpp dependency.
3652
3653 2008-05-02  Simon Baldwin <simonb@google.com>
3654
3655         PR bootstrap/36108
3656         * c-common.h (warn_array_subscript_range): Removed.
3657         * c-common.c (warn_array_subscript_range): Ditto.
3658         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
3659         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
3660
3661 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
3662
3663         * config/i386/i386.c (ix86_special_builtin_type): New.
3664         (bdesc_special_args): Likewise.
3665         (ix86_expand_special_args_builtin): Likewise.
3666         (ix86_init_mmx_sse_builtins): Updated.
3667         (ix86_expand_builtin): Updated.
3668         (ix86_expand_store_builtin): Removed.
3669         (ix86_expand_unop_builtin): Likewise.
3670
3671         * config/i386/mm3dnow.h (__v2sf): Moved to ...
3672         * config/i386/mmintrin.h (__v2sf): Here.
3673
3674         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
3675         const __v2sf.
3676         (_mm_loadl_pi): Likewise.
3677         (_mm_storeh_pi): Replace __v2si with __v2sf.
3678         (_mm_storel_pi): Likewise.
3679
3680         * doc/extend.texi: Correct __builtin_ia32_loadhps,
3681         __builtin_ia32_loadlps, __builtin_ia32_storehps,
3682         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
3683         __builtin_ia32_loadlpd.
3684
3685 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
3686
3687         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
3688         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
3689         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
3690         (ix86_init_mmx_sse_builtins): Updated.
3691         (ix86_expand_args_builtin): Likewise.
3692         (ix86_expand_builtin): Likewise.
3693         (ix86_expand_unop1_builtin): Renamed to ...
3694         (ix86_expand_unop_vec_merge_builtin): This.
3695
3696 2008-05-01  Jan Hubicka  <jh@suse.cz>
3697
3698         PR bootstrap/36100
3699         * ipa-inline.c (inline_generate_summary): Make static.
3700         (inline_transform): Do not call inlining at -O0; make static.
3701         * passes.c (execute_todo): Add sanity check.
3702         (execute_one_ipa_transform_pass): Execute proper flags.
3703
3704 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
3705
3706         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
3707         (DECL_NONADDRESSABLE_P): Likewise.
3708         * alias.c (record_component_aliases): Fix comment.
3709
3710 2008-05-01  Simon Baldwin <simonb@google.com>
3711
3712         * c-common.h (warn_array_subscript_range): New function.
3713         * c-common.c (warn_array_subscript_range): Ditto.
3714         * tree-vrp.c (check_array_ref): Corrected code to agree with
3715         comment, ignoring only arrays of size 0 or size 1.
3716         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
3717
3718 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
3719
3720         * config/i386/i386.c (ix86_builtin_type): Replace
3721         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
3722         (bdesc_args): Updated.
3723         (ix86_init_mmx_sse_builtins): Likewise.
3724         (ix86_expand_args_builtin): Likewise.
3725
3726         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
3727         with __v1di.
3728
3729         * doc/extend.texi: Correct __builtin_ia32_palignr.
3730
3731 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
3732
3733         PR target/36095
3734         * config/i386/i386.c (bdesc_crc32): Removed.
3735         (ix86_expand_crc32): Likewise.
3736         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
3737         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
3738         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
3739         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
3740         UINT_FTYPE_UINT_UCHAR.
3741         (bdesc_args): Updated. Add crc32 builtins.
3742         (ix86_init_mmx_sse_builtins): Updated.
3743         (ix86_expand_args_builtin): Updated to support subreg.
3744
3745         * doc/extend.texi: Correct __builtin_ia32_crc32di.
3746
3747 2008-05-01  Jan Hubicka  <jh@suse.cz>
3748
3749         * tree-pass.h (opt_pass): Add IPA_PASS.
3750         (varpool_node, cgraph_node): Forward declare.
3751         (ipa_opt_pass): Define.
3752         (pass_ipa_inline): Turn into ipa_opt_pass.
3753         (pass_apply_inline): Remove.
3754         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
3755         (apply_inline): Turn into ....
3756         (inline_transform): ... this one.
3757         (inline_generate_summary): New function.
3758         (pass_apply_inline): Remove.
3759         * function.h (ipa_opt_pass): Forward declare structure; typedef;
3760         vector.
3761         (struct function): Add ipa_transforms_to_apply.
3762         * passes.c (register_one_dump_file): Work on IPA_PASS.
3763         (init_optimization_passes): Remove pass_inline_parameters and
3764         pass_apply_inline.
3765         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
3766         (execute_one_pass) ... here; apply transforms when possible.
3767         (add_ipa_transform_pass, execute_ipa_summary_asses,
3768         execute_one_ipa_transform_pass): New.
3769         (execute_ipa_pass_list): Update for IPA_PASS type.
3770
3771 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
3772
3773         * config/i386/i386.c (ix86_builtin_type): Add
3774         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
3775         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
3776         (bdesc_args): Add SSE4a builtins.
3777         (ix86_init_mmx_sse_builtins): Updated.
3778         (ix86_expand_args_builtin): Likewise.
3779         (ix86_expand_builtin): Likewise.
3780
3781 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
3782
3783         * config/i386/i386.c (ix86_builtin_type): Add
3784         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
3785         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
3786         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
3787         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
3788         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
3789         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
3790         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
3791         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
3792         and DI_FTYPE_DI_DI_INT.
3793         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
3794         (ix86_init_mmx_sse_builtins): Updated.
3795         (ix86_expand_args_builtin): Likewise.
3796         (ix86_expand_builtin): Likewise.
3797         (ix86_expand_binop_imm_builtin): Removed.
3798
3799         * doc/extend.texi: Correct __builtin_ia32_palignr128.
3800
3801 2008-04-30  Richard Guenther  <rguenther@suse.de>
3802
3803         PR tree-optimization/32921
3804         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
3805
3806 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
3807
3808         * config/arm/arm.c (arm_unwind_emit): Use
3809         crtl->all_throwers_are_sibcalls instead of
3810         cfun->all_throwers_are_sibcalls.
3811         (arm_output_fn_unwind): Likewise.
3812         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
3813         instead of cfun->uses_pic_offset_table.
3814         (frv_expand_prologue): Likewise.
3815         (frv_frame_pointer_required): Likewise.
3816         (frv_expand_fdpic_call): Likewise.
3817         (frv_emit_movsi): Likewise.
3818         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
3819         cfun->returns_pcc_struct instead of
3820         current_function_returns_pcc_struct.
3821         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
3822         instead of cfun->calls_eh_return.
3823         (m32c_pushm_popm): Likewise.
3824         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
3825         "extern" declaration.
3826
3827 2008-04-30  Richard Guenther  <rguenther@suse.de>
3828
3829         PR tree-optimization/21636
3830         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
3831         constant address.
3832         (evaluate_stmt): Print the likely value.
3833         (ccp_visit_stmt): Avoid excessive vertical spacing.
3834
3835 2008-04-30  Rafael Espindola  <espindola@google.com>
3836
3837         * builtins.c (fold_call_expr): Return realret.
3838         * tree-ssa-threadedge.c
3839         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3840         __builtin_object_size.
3841
3842 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
3843
3844         * gcc.c (wrapper_string): New variable.
3845         (insert_wrapper): New function.
3846         (execute): New option -wrapper.
3847         * doc/invoke.texi (Overall Options): New driver option -wrapper.
3848
3849 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
3850
3851         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
3852         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
3853         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
3854         from...
3855         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
3856         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
3857         config/rs6000/e500crtres64gprctr.asm,
3858         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
3859         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
3860         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
3861         config/rs6000/e500crtsav64gprctr.asm,
3862         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
3863         config/rs6000/e500crtsavg64gprctr.asm: New files.
3864         * config/rs6000/t-ppccomm: Add build rules for new files.
3865         (LIB2FUNCS_STATIC_EXTRA): Add new files.
3866         * config/rs6000/t-netbsd: Add build rules for new files.
3867         (LIB2FUNCS_STATIC_EXTRA): New variable.
3868         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
3869         (CRTSAVRES_DEFAULT_SPEC): Likewise.
3870         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
3871
3872 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
3873
3874         * config/i386/i386.c (ix86_builtin_type): Add
3875         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
3876         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
3877         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
3878         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
3879         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
3880         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
3881         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
3882         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
3883         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
3884         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
3885         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
3886         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
3887         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
3888         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
3889         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
3890         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
3891         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
3892         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
3893         V1DI_FTYPE_V2SI_V2SI.
3894         (bdesc_2arg): Moved to ...
3895         (bdesc_args): Here.
3896         (ix86_init_mmx_sse_builtins): Updated.
3897         (ix86_expand_args_builtin): Updated.  Take a pointer
3898         to const struct builtin_description.  Handle comparison
3899         builtin functions.
3900         (ix86_expand_sse_compare): Take a new argument for swapping operands.
3901         (ix86_expand_builtin): Updated.
3902
3903         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
3904         (ssse3_pmaddubsw128): This.
3905         (ssse3_pmaddubswv4hi3): Renamed to ...
3906         (ssse3_pmaddubsw): This.
3907
3908         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
3909         (__builtin_ia32_packssdw128): Likewise.
3910         (__builtin_ia32_packuswb128): Likewise.
3911         (__builtin_ia32_pmaddubsw): Likewise.
3912         (__builtin_ia32_pmaddubsw128): Likewise.
3913
3914 2008-04-30  Richard Guenther  <rguenther@suse.de>
3915
3916         PR tree-optimization/14847
3917         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
3918         (recognize_bits_test): Use it.
3919         (recognize_single_bit_test): Likewise.
3920
3921 2008-04-30  Martin Jambor  <mjambor@suse.cz>
3922
3923         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
3924         instead of setting number of formal parameters to zero.
3925         (ipcp_init_stage): Do not set the number of actual parameters to zero 
3926         either.
3927         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
3928         which are called with variable number of arguments.
3929         (ipcp_insert_stage): Explicitely skipping all nodes which are
3930         called with variable number of arguments.
3931         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
3932         number of parameters.
3933
3934         * ipa-prop.h (struct ipa_node_params): Added flag
3935         called_with_var_arguments
3936         (ipa_set_param_count): Added.  Changed sole setter to use it.
3937         (ipa_get_param_count): Added.  All readers of param_count
3938         converted to use it instead.
3939         (ipa_set_called_with_variable_arg): Added.
3940         (ipa_is_called_with_var_arguments): Added.
3941         (ipa_get_ith_param): Added.  All readers of param_decls converted
3942         to use it instead.
3943         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
3944         changed to use it. 
3945         (ipa_get_cs_argument_count): Added, all readers of argument_count
3946         changed to cal it.
3947         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
3948         to use it.
3949         
3950         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
3951         (struct ipcp_lattice): Renamed cval_type to type
3952         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
3953
3954         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
3955         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
3956         (ipcp_insert_stage): Changed the type of variable cvalue to tree
3957         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
3958         (build_const_val): Changed the type of parameter cvalue to tree
3959         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
3960         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
3961         
3962         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
3963         constant 
3964
3965         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
3966         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
3967         (ipa_add_method): Renamed to ipa_push_func_to_list
3968         (ipa_remove_method): Renamed to ipa_pop_func_from_list
3969         (ipa_callsite_param_count): Removed.
3970         (ipa_callsite_param_count_set): Removed.
3971         (ipa_callsite_param): Removed.
3972         (ipa_callsite_callee): Removed.
3973         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
3974         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
3975         (ipa_method_formal_count): Removed.
3976         (ipa_method_formal_count_set): Removed.
3977         (ipa_method_get_tree): Removed.
3978         (ipa_method_tree_map_create): Removed.
3979         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
3980         (ipa_create_param_decls_array): Creates the array itself
3981         (ipa_create_param_decls_array): Temporary variable info instead of 
3982         a few dereferences.
3983         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
3984         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
3985         (get_type): Removed.
3986         (ipa_jf_get_info_type): Removed.
3987         (ipa_node_create): Renamed to ipa_create_node_params
3988         (ipa_free): Renamed to ipa_free_all_node_params
3989         (ipa_nodes_create): Renamed to ipa_create_all_node_params
3990         (ipa_edges_create): Renamed to ipa_create_all_edge_args
3991         (ipa_edges_free): Renamed to ipa_free_all_edge_args
3992         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
3993         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
3994         ipa_free_all_edge_args
3995         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
3996         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
3997         (ipa_create_methodlist_node): Removed.
3998         (ipa_methodlist_method): Removed.
3999         (ipa_methodlist_method_set): Removed.
4000         (ipa_methodlist_next_method): Removed.
4001         (ipa_methodlist_next_method_set): Removed.
4002         (ipa_method_is_modified): Removed.
4003         (ipa_method_modify_create): Removed.
4004         (ipa_method_modify_init): Temporary variable info instead of a few 
4005         dereferences.
4006         (ipa_detect_param_modifications): Temporary variable info instead of 
4007         a few dereferences.
4008         (ipa_compute_jump_functions): Temporary variable info instead of 
4009         a few dereferences.
4010         (ipa_method_modify_set): Removed.
4011         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
4012         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
4013         than craph_node as the first parameter.
4014         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
4015         (ipa_method_modify_init): Removed.
4016         (ipa_compute_jump_functions): Added a temp variable instead of 
4017         repeatadly dereferencing the cgraph_edge.aux pointer
4018         (ipa_callsite_param_set_type): Removed.
4019         (ipa_compute_jump_functions): i renamed to index and moved to 
4020         an inner block
4021         (ipa_callsite_param_set_info_type_formal): Removed.
4022         (ipa_callsite_param_set_info_type): Removed.
4023         (ipa_callsite_param_map_create): Removed.
4024         (ipa_callsite_tree): Removed.
4025         (ipa_callsite_caller): Removed.
4026         (ipa_pop_func_from_list): return_method removed to return_func
4027
4028         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
4029         prefixed all values with IPA_. Changed all users.
4030         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
4031         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
4032         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
4033         (union parameter_info): Renamed to jump_func_value.
4034         (union jump_func_value): Renamed value to constant
4035         (struct ipa_jump_func): Renamed info_type to value
4036         (struct ipa_node): Renamed to ipa_node_params
4037         (struct ipa_node_params): Renamed ipa_arg_num to param_count
4038         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
4039         (struct ipa_node_params): Renamed ipa_mod to modified_flags
4040         (struct ipa_edge): Renamed to ipa_edge_args
4041         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
4042         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
4043         (struct ipa_methodlist): Renamed to ipa_func_list
4044         (struct ipa_func_list): method_p renamed to node, next_method
4045         renamed to next
4046         (ipa_methodlist_p): Removed, switched all users to struct pointer
4047         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
4048
4049 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
4050
4051         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
4052         (rs6000_emit_epilogue): Use backchain to restore only when we
4053         have a large frame.  Make use of frame pointer to restore if we
4054         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
4055
4056 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
4057
4058         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
4059         Add mode to zero_extract.
4060         (sign bit tests peepholes): (Ditto.).
4061
4062 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
4063
4064         * config/i386/i386.c (ix86_builtins): Replace Prescott New
4065         Instructions in comments with SSE3.
4066         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
4067         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
4068         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
4069         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
4070         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
4071         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
4072         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
4073         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
4074         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
4075         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
4076         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
4077         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
4078         (bdesc_sse_args): Renamed to ...
4079         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
4080         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
4081         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
4082         IX86_BUILTIN_FABSQ.
4083         (bdesc_1arg): Moved to ...
4084         (bdesc_args): Here.
4085         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
4086         Instructions in comments with SSE3.
4087         (ix86_expand_sse_operands_builtin): Renamed to ...
4088         (ix86_expand_args_builtin): This.  Updated.
4089         (ix86_expand_unop1_builtin): Update comments.
4090         (ix86_expand_builtin): Updated.
4091
4092 2008-04-29  Richard Guenther  <rguenther@suse.de>
4093
4094         PR tree-optimization/36078
4095         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
4096         Update virtual SSA form after cleaning up the CFG.
4097
4098 2008-04-29  Richard Guenther  <rguenther@suse.de>
4099
4100         PR middle-end/15255
4101         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
4102
4103 2008-04-29  Richard Guenther  <rguenther@suse.de>
4104
4105         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
4106         (compute_may_aliases): Do not call finalize_ref_all_pointers.
4107         (compute_flow_insensitive_aliasing): Do not treat
4108         PTR_IS_REF_ALL pointers special.
4109         (get_smt_for): Likewise.
4110         (may_alias_p): Re-structure.
4111         (is_escape_site): A ref-all pointer conversion is not an escape site.
4112         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
4113         PTR_IS_REF_ALL pointers special.
4114         * tree-ssa-structalias.h (struct alias_info): Remove
4115         ref_all_symbol_mem_tag field.
4116         (PTR_IS_REF_ALL): Remove.
4117
4118 2008-04-29  Richard Guenther  <rguenther@suse.de>
4119
4120         PR middle-end/36077
4121         * fold-const.c (extract_muldiv_1): In combining division constants
4122         make sure to never overflow.
4123
4124 2008-04-29  Nick Clifton  <nickc@redhat.com>
4125
4126         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
4127
4128 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4129
4130         PR bootstrap/35169
4131         * optc-gen.awk: Work around HP-UX/IA awk bug.
4132
4133 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
4134
4135         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
4136         2008-04-25 commit.
4137
4138 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
4139
4140         PR target/36073
4141         * config/i386/i386.md
4142         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
4143         Change operand 1 predicate to nonimmediate_operand.
4144
4145 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
4146
4147         PR debug/36060
4148         * dwarf2out.c (struct die_struct): Mark as chain_circular through
4149         die_sub field.
4150         * gengtype.c (walk_type, write_func_for_structure): Handle
4151         chain_circular.
4152         * doc/gty.texi: Document chain_circular.
4153
4154 2008-04-28  Richard Guenther  <rguenther@suse.de>
4155
4156         PR tree-optimization/36066
4157         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
4158         SCEV and loop.
4159
4160 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
4161
4162         PR target/36064
4163         * config/i386/i386.md
4164         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
4165         Use match_scratch instead of match_operand for operands 3 and 4.
4166
4167 2008-04-27  Richard Guenther  <rguenther@suse.de>
4168
4169         PR tree-optimization/18754
4170         PR tree-optimization/34223
4171         * tree-pass.h (pass_complete_unrolli): Declare.
4172         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
4173         loop size before and after unconditionally of UL_NO_GROWTH in effect.
4174         Rewrite loop into loop closed SSA form if it is not already.
4175         (tree_unroll_loops_completely): Re-structure to iterate over
4176         innermost loops with intermediate CFG cleanups.
4177         Unroll outermost loops only if requested or the code does not grow
4178         doing so.
4179         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
4180         loops are available.
4181         (tree_vectorize): Instead do so here.
4182         (tree_complete_unroll): Also unroll outermost loops.
4183         (tree_complete_unroll_inner): New function.
4184         (gate_tree_complete_unroll_inner): Likewise.
4185         (pass_complete_unrolli): New pass.
4186         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
4187         uses outside of the loop.
4188         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
4189         form if it is available.  
4190         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
4191         * passes.c (init_optimization_passes): Schedule complete inner
4192         loop unrolling pass before the first CCP pass after final inlining.
4193
4194 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4195
4196         * targhooks.h (default_emutls_var_fields,
4197         default_emutls_var_init): Declare.
4198         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
4199         * target.h (struct gcc_target): Add struct emutls member.
4200         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
4201         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
4202         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
4203         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
4204         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
4205         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
4206         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
4207         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
4208         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
4209         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
4210         emit debug information.
4211         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
4212         * varasm.c: Include targhooks.h.
4213         (emutls_object_section, emutls_tmpl_section): New.
4214         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
4215         (EMUTLS_SEPARATOR): New.
4216         (prefix_name): New.
4217         (get_emutls_object_name): New.
4218         (default_emutls_var_fields): New, broken out of ...
4219         (get_emutls_object_type): ... here.  Adjust to use target hooks.
4220         (get_emutls_init_templ_addr): Adjust to use target hooks.
4221         (emutls_decl): Adjust to use target hooks.
4222         (emutls_finish): Likewise.
4223         (default_emutls_var_init): New, broken out of ...
4224         (assemble_variable): ... here.  Adjust to use target hooks.
4225         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
4226         SECCAT_EMUTLS_TMPL.
4227         * c-common.c (handle_section_attribute): Prevent overriding
4228         sections for emulated tls with special sections.
4229         * config/i386/i386.c (x86_64_elf_select_section): Add
4230         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
4231         (x86_64_elf_unique_section): Likewise.
4232         * config/vxworks.c: Include tree.h.
4233         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
4234         (vxworks_override_options): Set TLS scheme.
4235         * doc/tm.texi (Emulated TLS): New node.
4236
4237 2008-04-26  Simon Baldwin <simonb@google.com>
4238
4239         PR c/35652
4240         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
4241         with propagated string constants.
4242
4243 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
4244
4245         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
4246         constraint for operand 2 when operand 0 is memory operand.
4247         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
4248         operand 0 is memory operand.
4249         (fix_trunc<mode>_i387_with_temp): Ditto.
4250         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
4251         operand 2 when operand 1 is memory operand.
4252         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
4253         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
4254         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
4255         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
4256         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
4257         operands 2,3 and 4 when operand 1 is memory operand.
4258         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
4259         is memory operand.
4260         (fistdi2_floor_with_temp): Ditto.
4261         (fist<mode>2_floor_with_temp): Ditto.
4262         (fistdi2_ceil_with_temp): Ditto.
4263         (fist<mode>2_ceil_with_temp): Ditto.
4264         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
4265
4266 2008-04-26  David Daney  <ddaney@avtrex.com>
4267
4268         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
4269         unspec_volitile.
4270         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
4271         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
4272         UNSPEC_UPDATE_GOT_VERSION): Renumber.
4273         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
4274         (compare_and_swap_12): New insn.
4275         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
4276         * config/mips/mips.c (mips_force_binary): New function.
4277         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
4278         (mips_expand_compare_and_swap_12): New function.
4279         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
4280
4281 2008-04-25  Jan Hubicka  <jh@suse.cz>
4282
4283         PR testsuite/35843
4284         * cfgexpand.c (pass_expand): Turn into RTL pass.
4285         * passes.c (execute_one_pass): Do pass typechecking after execution.
4286         * tree-pass.h (pass_expand): Turn into RTL pass.
4287
4288         * function.h (struct rtl_data): Move here fields
4289         accesses_prior_frames, calls_eh_return, saves_all_registers,
4290         has_nonlocal_goto, has_asm_statement, is_thunk,
4291         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
4292         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
4293         arg_pointer_save_area_init from struct function; turn into bool.
4294         (struct function): Move
4295         calls_eh_return, saves_all_registers, has_nonlocal_goto,
4296         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
4297         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
4298         tail_call_emit, arg_pointer_save_area_init
4299         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
4300         (current_function_returns_struct, current_function_returns_pcc_struct,
4301         current_function_calls_setjmp, current_function_calls_alloca,
4302         current_function_accesses_prior_frames,
4303         current_function_calls_eh_return, current_function_is_thunk,
4304         current_function_stdarg, current_function_profile,
4305         current_function_limit_stack, current_function_uses_pic_offset_table,
4306         current_function_uses_const_pool, current_function_has_nonlocal_label,
4307         current_function_saves_all_registers,
4308         current_function_has_nonlocal_goto,
4309         current_function_has_asm_statement): Remove accesor macros.
4310         * ra-conflict.c (global_conflicts): Update.
4311         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
4312         (suitable_for_tail_call_opt_p): Update.
4313         * builtins.c (expand_builtin_return_addr): Update.
4314         (expand_builtin_setjmp_setup): Update.
4315         (expand_builtin_nonlocal_goto): Update.
4316         * final.c (final_start_function): Update.
4317         (profile_function): Update.
4318         (leaf_function_p): Update.
4319         (only_leaf_regs_used): Update.
4320         * df-scan.c (df_get_exit_block_use_set): Update.
4321         * dojump.c (clear_pending_stack_adjust): Update.
4322         * tree-stdarg.c (gate_optimize_stdarg): Update.
4323         * gimple-low.c (lower_function_body): Update.
4324         * global.c (compute_regsets): Update.
4325         (global_alloc): Update.
4326         * dwarf2out.c (dwarf2out_begin_prologue): Update.
4327         * expr.c (expand_assignment): Update.
4328         * dse.c (dse_step0): Update.
4329         (dse_step1): Update.
4330         * c-decl.c (store_parm_decls): Update.
4331         * local-alloc.c (combine_regs): Update.
4332         (find_free_reg): Update.
4333         * function.c (assign_parms_augmented_arg_list): Update.
4334         (assign_parm_find_data_types): Update.
4335         (assign_parms): Update.
4336         (allocate_struct_function): Update.
4337         (expand_function_start): Update.
4338         (expand_function_end): Update.
4339         (get_arg_pointer_save_area): Update.
4340         (thread_prologue_and_epilogue_insns): Update.
4341         (rest_of_match_asm_constraints): Update.
4342         * stor-layout.c (variable_size): Update.
4343         * gcse.c (gcse_main): Update.
4344         (bypass_jumps): Update.
4345         * gimplify.c (gimplify_function_tree): Update.
4346         * calls.c (emit_call_1): Update.
4347         (expand_call): Update.
4348         * bt-load.c (compute_defs_uses_and_gen): Update.
4349         * except.c (sjlj_assign_call_site_values): Update.
4350         (sjlj_emit_function_enter): Update.
4351         (can_throw_external): Update.
4352         (set_nothrow_function_flags): Update.
4353         (expand_builtin_unwind_init): Update.
4354         (expand_eh_return): Update.
4355         (convert_to_eh_region_ranges): Update.
4356         (output_function_exception_table): Update.
4357         * emit-rtl.c (gen_tmp_stack_mem): Update.
4358         * cfgexpand.c (expand_used_vars): Update.
4359         (tree_expand_cfg): Update.
4360         * cfgcleanup.c (rest_of_handle_jump): Update.
4361         * explow.c (allocate_dynamic_stack_space): Update.
4362         * varasm.c (assemble_start_function): Update.
4363         (force_const_mem): Update.
4364         (mark_constant_pool): Update.
4365         * tree-optimize.c (tree_rest_of_compilation): Update.
4366         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
4367         * tree-cfg.c (notice_special_calls): Update.
4368         (is_ctrl_altering_stmt): Update.
4369         (tree_can_make_abnormal_goto): Update.
4370         (tree_purge_dead_abnormal_call_edges): Update.
4371         * config/alpha/predicates.md: Update.
4372         * config/alpha/alpha.c (alpha_sa_mask): Update.
4373         (alpha_sa_size): Update.
4374         (alpha_does_function_need_gp): Update.
4375         (alpha_expand_prologue): Update.
4376         (alpha_start_function): Update.
4377         (alpha_output_function_end_prologue): Update.
4378         (alpha_expand_epilogue): Update.
4379         * config/frv/frv.c (frv_stack_info): Update.
4380         (frv_expand_epilogue): Update.
4381         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
4382         (s390_register_info): Update.
4383         (s390_frame_info): Update.
4384         (s390_init_frame_layout): Update.
4385         (s390_can_eliminate): Update.
4386         (save_gprs): Update.
4387         * config/spu/spu.c (spu_split_immediate): Update.
4388         (need_to_save_reg): Update.
4389         (spu_expand_prologue): Update.
4390         (spu_expand_epilogue): Update.
4391         * config/sparc/sparc.md: Update.
4392         * config/sparc/sparc.c (eligible_for_return_delay): Update.
4393         (sparc_tls_got): Update.
4394         (legitimize_pic_address): Update.
4395         (sparc_emit_call_insn): Update.
4396         (sparc_expand_prologue): Update.
4397         (output_return): Update.
4398         (print_operand): Update.
4399         (sparc_function_ok_for_sibcall): Update.
4400         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
4401         * config/m32r/m32r.md: Update.
4402         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
4403         (m32r_compute_frame_size): Update.
4404         (m32r_expand_prologue): Update.
4405         (m32r_expand_epilogue): Update.
4406         (m32r_legitimize_pic_address): Update.
4407         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
4408         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
4409         * config/i386/i386.c (ix86_frame_pointer_required): Update.
4410         (gen_push): Update.
4411         (ix86_save_reg): Update.
4412         (ix86_compute_frame_layout): Update.
4413         (ix86_expand_prologue): Update.
4414         (ix86_expand_epilogue): Update.
4415         * config/sh/sh.c (output_stack_adjust): Update.
4416         (calc_live_regs): Update.
4417         (sh5_schedule_saves): Update.
4418         (sh_expand_prologue): Update.
4419         (sh_expand_epilogue): Update.
4420         (sh_setup_incoming_varargs): Update.
4421         (sh_allocate_initial_value): Update.
4422         (sh_get_pr_initial_val): Update.
4423         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
4424         * config/sh/sh.md (label:): Update.
4425         * config/avr/avr.c (out_movhi_mr_r): Update.
4426         * config/crx/crx.h (enum): Update.
4427         * config/xtensa/xtensa.h (along): Update.
4428         * config/stormy16/stormy16.c Update.
4429         (xstormy16_compute_stack_layout): Update.
4430         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
4431         (fr30_expand_prologue): Update.
4432         * config/cris/cris.c (cris_conditional_register_usage): Update.
4433         (cris_reg_saved_in_regsave_area): Update.
4434         (cris_initial_frame_pointer_offset): Update.
4435         (cris_simple_epilogue): Update.
4436         (cris_expand_prologue): Update.
4437         (cris_expand_epilogue): Update.
4438         (cris_expand_pic_call_address): Update.
4439         (cris_asm_output_symbol_ref): Update.
4440         (cris_asm_output_label_ref): Update.
4441         * config/cris/cris.md Update.
4442         * config/iq2000/iq2000.c (compute_frame_size): Update.
4443         (iq2000_expand_epilogue): Update.
4444         * config/mt/mt.h (save_direction): Update.
4445         * config/mn10300/mn10300.c (mn10300_function_value): Update.
4446         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
4447         (ia64_secondary_reload_class): Update.
4448         * config/m68k/m68k.c (m68k_save_reg): Update.
4449         (m68k_expand_prologue): Update.
4450         (m68k_expand_epilogue): Update.
4451         (legitimize_pic_address): Update.
4452         * config/rs6000/rs6000.c (rs6000_got_register): Update.
4453         (first_reg_to_save): Update.
4454         (first_altivec_reg_to_save): Update.
4455         (compute_vrsave_mask): Update.
4456         (compute_save_world_info): Update.
4457         (rs6000_stack_info): Update.
4458         (spe_func_has_64bit_regs_p): Update.
4459         (rs6000_ra_ever_killed): Update.
4460         (rs6000_emit_eh_reg_restore): Update.
4461         (rs6000_emit_allocate_stack): Update.
4462         (rs6000_emit_prologue): Update.
4463         (rs6000_emit_epilogue): Update.
4464         (rs6000_output_function_epilogue): Update.
4465         (output_profile_hook): Update.
4466         (rs6000_elf_declare_function_name): Update.
4467         * config/rs6000/rs6000.h (rs6000_args): Update.
4468         * config/rs6000/rs6000.md: Update.
4469         * config/mcore/mcore.c (mcore_expand_prolog): Update.
4470         * config/arc/arc.c (arc_output_function_epilogue): Update.
4471         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
4472         * config/darwin.c (machopic_function_base_name): Update.
4473         * config/score/score3.c (score3_compute_frame_size): Update.
4474         (rpush): Update.
4475         (rpop): Update.
4476         (score3_epilogue): Update.
4477         * config/score/score7.c (score7_compute_frame_size): Update.
4478         (score7_prologue): Update.
4479         (score7_epilogue): Update.
4480         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
4481         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
4482         * config/arm/arm.c (use_return_insn): Update.
4483         (require_pic_register): Update.
4484         (arm_load_pic_register): Update.
4485         (arm_compute_save_reg0_reg12_mask): Update.
4486         (arm_compute_save_reg_mask): Update.
4487         (thumb1_compute_save_reg_mask): Update.
4488         (output_return_instruction): Update.
4489         (arm_output_function_prologue): Update.
4490         (arm_output_epilogue): Update.
4491         (arm_get_frame_offsets): Update.
4492         (arm_expand_prologue): Update.
4493         (thumb_pushpop): Update.
4494         (thumb_exit): Update.
4495         (thumb1_expand_prologue): Update.
4496         (thumb1_expand_epilogue): Update.
4497         (arm_unwind_emit): Update.
4498         (arm_output_fn_unwind): Update.
4499         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
4500         * config/arm/arm.md: Update.
4501         * config/pa/pa.md: Update.
4502         * config/pa/pa.c (legitimize_pic_address): Update.
4503         (compute_frame_size): Update.
4504         (hppa_expand_prologue): Update.
4505         (hppa_expand_epilogue): Update.
4506         (borx_reg_operand): Update.
4507         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
4508         (HARD_REGNO_RENAME_OK): Update.
4509         * config/mips/mips.c (mips_global_pointer): Update.
4510         (mips_save_reg_p): Update.
4511         (mips_compute_frame_info): Update.
4512         (mips_frame_pointer_required): Update.
4513         (mips_expand_prologue): Update.
4514         (mips_expand_epilogue): Update.
4515         (mips_can_use_return_insn): Update.
4516         (mips_reorg_process_insns): Update.
4517         * config/v850/v850.c (compute_register_save_size): Update.
4518         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
4519         * config/mmix/mmix.c (along): Update.
4520         (mmix_expand_epilogue): Update.
4521         * config/bfin/bfin.c (legitimize_pic_address): Update.
4522         (must_save_p): Update.
4523         (stack_frame_needed_p): Update.
4524         (add_to_reg): Update.
4525         (bfin_expand_prologue): Update.
4526         * stmt.c (expand_asm_operands): Update.
4527         * reload1.c (reload): Update.
4528         (init_elim_table): Update.
4529
4530 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
4531         
4532         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
4533         
4534 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4535
4536         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
4537         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
4538         (mov<mode>): Removed.
4539         (*movv4sf_internal): Likewise.
4540         (*movv2df_internal): Likewise.
4541
4542 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
4543
4544         * config.gcc (crx-*-elf): Remove deprecation.
4545
4546 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
4547
4548         * config/i386/cygming-crtend.c (register_frame_ctor): Register
4549         __gcc_deregister_frame with atexit.
4550         (deregister_frame_dtor): Remove.
4551
4552 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
4553             Nathan Sidwell  <nathan@codesourcery.com>
4554
4555         * config/rs6000/rs6000.opt (mspe): Remove Var property.
4556         (misel): Likewise.
4557         * config/rs6000/rs6000.h (rs6000_spe): Declare.
4558         (rs6000_isel): Likewise.
4559         * config/rs6000/rs6000.c (rs6000_spe): New variable.
4560         (rs6000_isel): New variable.
4561         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
4562
4563 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
4564
4565         PR c++/35758
4566         * c-common.c (handle_vector_size_attribute): Call
4567         lang_hooks.types.reconstruct_complex_type instead of
4568         reconstruct_complex_type.
4569         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
4570         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
4571         * langhooks.h (struct lang_hooks_for_types): Add
4572         reconstruct_complex_type hook.
4573         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
4574         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
4575
4576 2008-04-24  Richard Guenther  <rguenther@suse.de>
4577
4578         * c-common.h (check_builtin_function_arguments): Declare.
4579         * c-common.c (validate_nargs): New function.
4580         (check_builtin_function_arguments): Likewise.
4581         * c-typeck.c (build_function_call): Call
4582         check_builtin_function_arguments.
4583         * builtins.c (fold_builtin_classify): Remove error reporting code.
4584         (fold_builtin_unordered_cmp): Likewise.
4585         (fold_builtin_1): Likewise.
4586         (fold_builtin_n): Likewise.
4587
4588 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
4589
4590         PR tree-optimization/36008
4591         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
4592         the original op1, rather than delta by step.
4593
4594 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
4595             Sebastian Pop  <sebastian.pop@amd.com>
4596
4597         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
4598         eliminate_local_variables_stmt, eliminate_local_variables,
4599         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
4600         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
4601         of code delimited by two edges in the CFG.
4602         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
4603         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
4604         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
4605         the case of parallelisation of reductions.
4606         (expr_invariant_in_region_p): New.
4607
4608         * tree-flow.h (gather_blocks_in_sese_region): Declared.
4609         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
4610
4611 2008-04-24  Ira Rosen  <irar@il.ibm.com>
4612             Richard Guenther  <rguenther@suse.de>
4613
4614         PR tree-optimization/36034
4615         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
4616         incapable of dealing with loads with gaps.
4617
4618 2008-04-24  Rafael Espindola  <espindola@google.com>
4619
4620         * tree-flow.h (vrp_evaluate_conditional): Change signature.
4621         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4622         vrp_evaluate_conditional.
4623         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
4624         (vrp_evaluate_conditional): Split the cond argument.
4625         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
4626         (simplify_stmt_for_jump_threading): Update call to
4627         vrp_evaluate_conditional.
4628
4629 2008-04-24  Ira Rosen  <irar@il.ibm.com>
4630
4631         PR tree-optimization/35982
4632         * tree-vect-analyze.c (vect_check_interleaving): Check that the
4633         interleaved data-refs are of the same type.
4634
4635 2008-04-24  Danny Smith  <dannysmith@users.net>
4636
4637         * c-format.c (check_format_info_main): Use strncmp rather than a
4638         magic prefix to handle multichar length specs.
4639         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
4640         Don't prefix "I64" and "I32" with '\0'.
4641
4642 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
4643
4644         PR target/36015
4645         * config/i386/i386.c (init_cumulative_args): Don't pass anything
4646         in registers for -m32 only if stdarg_p (fntype).
4647
4648 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
4649
4650         PR rtl-optimization/36006
4651         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
4652         temp to op0 in order to avoid invalid rtx sharing.
4653
4654 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4655
4656         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
4657         check TREE_INVARIANT.
4658         * tree-gimple.c (is_gimple_address): New.
4659         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
4660         * tree-gimple.h (is_gimple_address): New.
4661         * tree.h (decl_address_invariant_p): New.
4662         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
4663         (build_string): Likewise.
4664         (decl_address_invariant_p): New, from is_gimple_invariant_address.
4665         (tree_invariant_p_1): Likewise.
4666         (save_expr): Use it.
4667         (tree_invariant_p): New.
4668         (skip_simple_arithmetic): Use it.
4669         (stabilize_reference_1): Use it.
4670         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
4671         simplify.
4672         (build1_stat): Drop code to compute TREE_INVARIANT.
4673         (build2_stat): Drop code to compute TREE_INVARIANT.
4674         (build3_stat): Drop code to compute TREE_INVARIANT.
4675         (build4_stat): Drop code to compute TREE_INVARIANT.
4676         (build5_stat): Drop code to compute TREE_INVARIANT.
4677         (build7_stat): Drop code to compute TREE_INVARIANT.
4678         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
4679         * tree.h (struct tree_base): Remove invariant_flag.
4680         (TREE_INVARIANT): Remove.
4681         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
4682         (fold_builtin_expect): Check TREE_CONSTANT.
4683         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
4684         * c-tree.h (c_expr_to_decl): Drop third parameter.
4685         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
4686         (build_c_cast): Don't set TREE_INVARIANT.
4687         (pop_init_level): Don't set TREE_INVARIANT.
4688         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
4689         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
4690         TREE_CONSTANT.
4691         (gimplify_init_constructor): Don't set TREE_INVARIANT.
4692         (gimplify_addr_expr): Adjust comment.
4693         * tree-mudflap.c (mf_build_string):
4694         * print-tree.c (print_node): Don't print TREE_INVARIANT.
4695         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
4696         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
4697         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
4698         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
4699         * langhooks.h (struct lang_hooks): Drop third parameter from
4700         expr_to_decl.
4701
4702 2008-04-23  Richard Guenther  <rguenther@suse.de>
4703
4704         PR tree-optimization/27799
4705         PR tree-optimization/32921
4706         PR tree-optimization/32624
4707         * tree-ssa-structalias.c (merge_smts_into): Only merge the
4708         SMTs aliases and the tag itself into the solution.
4709         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
4710         merge the points-to solution back into the SMT aliases.
4711         (may_alias_p): Use alias_set_subset_of instead of
4712         aliases_conflict_p.  A pointer which points to
4713         memory with alias set zero may access any variable.
4714
4715 2008-04-23  Richard Guenther  <rguenther@suse.de>
4716
4717         * alias.c (alias_set_subset_of): Correctly handle asking
4718         if zero is a subset of an alias set with zero child.
4719         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
4720         (compute_flow_insensitive_aliasing): Correctly walk all
4721         pointers.  Do not unnecessarily union sets.
4722
4723 2008-04-23  Richard Guenther  <rguenther@suse.de>
4724
4725         PR middle-end/36021
4726         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
4727
4728 2008-04-22  Tomas Bily  <tbily@suse.cz>
4729
4730         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
4731         unreachable case.
4732         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
4733         NON_LVALUE_EXPR.
4734         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
4735         * tree-ssa-structalias.c (get_constraint_for): Likewise.
4736         * tree-inline.c (estimate_num_insns_1): Likewise.
4737         * varasm.c (const_hash_1, compare_constant, copy_constant)
4738         (compute_reloc_for_constant, output_addressed_constants): Likewise.
4739         * emit-rtl.c (component_ref_for_mem_expr)
4740         (set_mem_attributes_minus_bitpos): Likewise.
4741         * expr.c (highest_pow2_factor, expand_expr_real_1, )
4742         (is_aligning_offset): Likewise.
4743         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
4744         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
4745         * dojump.c (do_jump): Likewise.
4746         * builtins.c (get_pointer_alignment, get_memory_rtx)
4747         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
4748         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
4749
4750 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
4751
4752         PR rtl-optimization/36017
4753         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
4754         expanding the library call.
4755
4756 2008-04-22  Ian Lance Taylor  <iant@google.com>
4757
4758         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
4759         than size_in_bytes.
4760
4761 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
4762
4763         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
4764         of LR/CTR moves for Power6.
4765
4766 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
4767
4768         PR middle-end/36003
4769         * passes.c (init_optimization_passes): Remove
4770         pass_fast_rtl_byte_dce.
4771         
4772 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
4773
4774         PR target/29096
4775         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
4776         builtin functions to generate faster code.
4777         (_mm_cvtpu16_ps): Ditto.
4778         (_mm_cvtpi32x2_ps): Ditto.
4779
4780 2008-04-22  Nick Clifton  <nickc@redhat.com>
4781
4782         * common.opt (ftree-loop-distribution): Add Optimization
4783         attribute.
4784
4785         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
4786         (frv_expand_builtin_va_start): Likewise.
4787
4788         * config/arm/arm.c (thumb_find_work_register): Fix location of
4789         argument register count.
4790
4791 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
4792
4793         Support scheduling for ColdFire V1 and V3 microarchitecture.
4794         Improve scheduling of multiplication instructions.
4795
4796         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
4797         (mac): New instruction attribute.
4798         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
4799         (m68k_sched_mac): New variable.
4800         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
4801         Handle cfv1 and cfv3.
4802         (max_insn_size): New static variable.
4803         (struct _sched_ib): New type.
4804         (sched_ib): New static variable.
4805         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
4806         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
4807         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
4808         Update.
4809         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
4810         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
4811         new variables.  Update.
4812         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
4813         Add modeling of cfv3 instruction buffer.  Update.
4814         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
4815         * config/m68k/m68k.h (TUNE_CFV3): New macro.
4816         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
4817         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
4818         a particular reservation applies to.
4819         (type2): Reorganize attribute values.  Rename alu to alu_reg,
4820         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
4821         to mul_l and mul_w.
4822         (cf_ib_*): Simplify description of instruction buffer.
4823         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
4824         (cf_mem): Split into cf_mem1 and cf_mem2.
4825         (cf_v2_move_??): Rename to cfv12_alu_??.
4826         (cf_v2_move_l_??): Rename to cfv12_omove_??.
4827         (cf_v2_mul_??): Remove reservations.
4828         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
4829         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
4830         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
4831         appropriate place.
4832         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
4833         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
4834         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
4835         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
4836         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
4837         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
4838         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
4839         expansions of the above reservations for instructions of sizes
4840         1, 2 and 3 words.
4841
4842 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
4843
4844         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
4845
4846 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
4847
4848         * coverage.c: Include tree-pass.h.
4849         (coverage_counter_alloc): Print da_file_name to the dump file.
4850
4851 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
4852
4853         * sbitmap.c (sbitmap_range_empty_p): New function.
4854         * sbitmap.h (sbitmap_range_empty_p): New function.
4855         * bitmap.h: Now includes obstack.h.
4856
4857 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
4858             Kenneth Zadeck  <zadeck@naturalbridge.com>
4859
4860         * dbgcnt.def (ra_byte_scan): Added.
4861         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
4862         when the last hit happens for a counter.  
4863         * timevar.def (TV_DF_BYTE_LR): New variable.
4864         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
4865         * passes.c (pass_fast_rtl_byte_dce): New pass.
4866         * fwprop.c (update_df): Added mode to call df_ref_create.
4867         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
4868         DF_REF_EXTRACT_OFFSET.
4869         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
4870         DF_BYTE_LR_OUT, df_byte_lr): New macro.
4871         (df_mm): New enum.
4872         (df_ref_extract): Added mode field.
4873         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
4874         DF_REF_EXTRACT_OFFSET.
4875         (DF_REF_EXTRACT_MODE): New macro.
4876         (df_byte_lr_bb_info): New structure.
4877         (df_print_byte_regset, df_compute_accessed_bytes, 
4878         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
4879         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
4880         df_byte_lr_simulate_uses,
4881         df_byte_lr_simulate_artificial_refs_at_top,
4882         df_byte_lr_simulate_artificial_refs_at_end,
4883         df_compute_accessed_bytes): New function.
4884         (df_ref_create): Add parameter.
4885         (df_byte_lr_get_bb_info): New inline function.
4886         * df-scan.c (df_ref_record, df_uses_record,
4887         df_ref_create_structure): Added mode parameter.
4888         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
4889         df_defs_record, df_uses_record, df_get_conditional_uses,
4890         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
4891         df_entry_block_defs_collect, df_exit_block_uses_collect):
4892         Added mode parameter to calls to df_ref_record, df_uses_record,
4893         df_ref_create_structure.
4894         (df_ref_equal_p, df_ref_compare): Added test for modes.
4895         (df_ref_create_structure): Added code to set mode.  Renamed
4896         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
4897         DF_REF_EXTRACT_OFFSET.
4898         * df-core.c (df_print_byte_regset): New function.
4899         * df-byte-scan.c: New file.
4900         * df-problems.c (df_rd_transfer_function): Removed unnecessary
4901         calls to BITMAP_FREE.  
4902         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
4903         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
4904         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
4905         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
4906         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
4907         df_byte_lr_local_compute, df_byte_lr_init,
4908         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
4909         df_byte_lr_transfer_function, df_byte_lr_free, 
4910         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
4911         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
4912         df_byte_lr_simulate_uses,
4913         df_byte_lr_simulate_artificial_refs_at_top,
4914         df_byte_lr_simulate_artificial_refs_at_end): New function.
4915         * dce.c (byte_dce_process_block): New function.
4916         (dce_process_block): au is now passed in rather than computed
4917         locally.  Changed loops that look at artificial defs to not look
4918         for conditional or partial ones, because there never are any.  
4919         (fast_dce): Now is able to drive byte_dce_process_block or 
4920         dce_process_block depending on the kind of dce being done.
4921         (rest_of_handle_fast_dce): Add parameter to fast_dce.
4922         (rest_of_handle_fast_byte_dce): New function.
4923         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
4924         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
4925
4926 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
4927
4928         PR fortran/35019
4929         * gcc.h: Added fortran options that take arguments to
4930         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
4931         macros.
4932
4933 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
4934
4935         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
4936         scalarization if on the LHS and not a full access.
4937
4938 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4939
4940         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
4941
4942 2008-04-18  Rafael Espindola  <espindola@google.com>
4943
4944         * tree-vrp.c (find_case_label_index): Fix the binary search.
4945         (find_case_label_range): New.
4946         (vrp_visit_switch_stmt): Use find_case_label_range.
4947         (simplify_switch_using_ranges): Use find_case_label_range.
4948
4949 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
4950
4951         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
4952         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
4953
4954 2008-04-18  Tom Tromey  <tromey@redhat.com>
4955
4956         PR libcpp/15500:
4957         * doc/cpp.texi (Implementation-defined behavior): Mention
4958         -finput-charset.
4959
4960 2008-04-18  Ian Lance Taylor  <iant@google.com>
4961
4962         * fold-const.c (pointer_may_wrap_p): New static function.
4963         (fold_comparison): Add another test for pointer overflow.  Use
4964         pointer_may_wrap_p to disable some false positives.
4965
4966 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
4967           
4968         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
4969         (fname_as_string): Match updated cpp_interpret_string prototype.
4970         (fix_string_type): Support char16_t* and char32_t*.
4971         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
4972         derivative) nodes.  Register as builtin if C++0x.
4973         (c_parse_error): Support CPP_CHAR{16,32}.
4974         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
4975         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
4976         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
4977         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
4978         CTI_CHAR32_ARRAY_TYPE>: New elements.
4979         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
4980         char32_type_node, signed_char32_type_node, char16_array_type_node,
4981         char32_array_type_node): New defines.
4982         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
4983         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
4984         (lex_string): Support CPP_STRING{16,32}, match updated
4985         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
4986         (lex_charconst): Support CPP_CHAR{16,32}.
4987         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
4988         and CPP_STRING{16,32}.
4989
4990 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
4991
4992         PR bootstrap/35457
4993         * aclocal.m4: Regenerate.
4994         * configure: Regenerate.
4995
4996 2008-04-18  Jan Hubicka  <jh@suse.cz>
4997
4998         * except.c (dw2_size_of_call_site_table,
4999         sjlj_size_of_call_site_table): Use vector API for call_site_record.
5000
5001         * cgraphbuild.c (build_cgraph_edges): Update.
5002         * tree-pass.h: Update comment.
5003         * final.c (leaf_function_p): Update.
5004         (leaf_renumber_regs): Update.
5005         (rest_of_clean_state): Update.
5006         * omp-low.c (expand_omp_parallel): Update.
5007         * ipa-reference.c (analyze_function): Update.
5008         * reorg.c (find_end_label): Update.
5009         (optimize_skip): Update.
5010         (fill_simple_delay_slots): Update.
5011         (fill_simple_delay_slots): Update.
5012         (make_return_insns): Update.
5013         (dbr_schedule): Update.
5014         * gimple-low.c (record_vars_into): Update.
5015         * cfgbuild.c (make_edges): Update.
5016         * function.c (assign_stack_local): Update.
5017         (assign_parm_adjust_stack_rtl): Update.
5018         (locate_and_pad_parm): Update.
5019         (allocate_struct_function): Do not initialize stack_alignment_needed
5020         and preferred_stack_boundary here.
5021         (stack_protect_prologue): Update.
5022         (stack_protect_epilogue): Update.
5023         (expand_function_start): Initialize stack_alignment_needed,
5024         preferred_stack_boundary and max_jumptable_ents.
5025         (expand_function_end): Update.
5026         (free_after_compilation): Do not NULLify epilogue_delay_list.
5027         * function.h (struct rtl_data): Add stack_protect_guard,
5028         stack_alignment_needed,
5029         preferred_stack_boundary, epilogue_delay_list.
5030         (struct function): Remove value_histograms, stack_alignment_needed,
5031         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
5032         last_label_uid,
5033         unexpanded_var_list, stack_protect_guard.
5034         (current_function_epilogue_delay_list): Remove.
5035         * ipa-type-escape.c (analyze_function): Update.
5036         * gimplify.c (pop_gimplify_context): Update comment.
5037         * calls.c (expand_call): Update.
5038         (emit_library_call_value_1): Update.
5039         * except.c (set_nothrow_function_flags): Update.
5040         * cfgexpand.c (get_decl_align_unit): Update.
5041         (create_stack_guard): Update.
5042         (estimated_stack_frame_size): Update.
5043         (expand_used_vars): Update.
5044         (tree_expand_cfg): Free histogram earliers, init expansion variables.
5045         * explow.c (allocate_dynamic_stack_space): Update.
5046         * tree-ssa-live.c (remove_unused_locals): Update.
5047         * varasm.c (mark_constant_pool): Update.
5048         * tree-inline.c (remap_decls): Update.
5049         (initialize_cfun): Update.
5050         (declare_return_variable): Update.
5051         (inline_forbidden_p): Update.
5052         (expand_call_inline): Update.
5053         (declare_inline_vars): Update.
5054         (tree_function_versioning): Update.
5055         * tree-flow.h (value_histograms): New.
5056         (VALUE_HISTOGRAMS): New macro.
5057         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
5058         last_label_uid.
5059         * tree-cfg.c (set_bb_for_stmt): Update.
5060         (replace_by_duplicate_decl): Update.
5061         (move_block_to_fn): Update.
5062         (new_label_mapper): Update.
5063         (dump_function_to_file): Update.
5064         * ipa-struct-reorg.c (build_data_structure): Update.
5065         * cfgrtl.c (print_rtl_with_bb): Update.
5066         * reload1.c (reload): Update.
5067         (reload): Update.
5068         * config/i386/i386.c (setup_incoming_varargs_64,
5069         ix86_compute_frame_layout): Update.
5070         * config/arc/arc.c (arc_output_function_epilogue): Update.
5071
5072 2008-04-18  Marius Strobl <marius@FreeBSD.org>
5073
5074         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
5075         for FreeBSD as well.
5076         * gthr-posix95.h: Likewise.
5077
5078 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
5079
5080         PR rtl-optimization/35838
5081         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
5082         out the byte offset of the first subreg.
5083
5084 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
5085
5086         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
5087         to split_ti instead of three separate calls with single member arrays.
5088         (subti3 splitter): Ditto.
5089         (adddi3 splitter): Ditto with split_di.
5090         (subdi3 splitter): Ditto.
5091         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
5092         two separate calls with single member arrays.  Swap match_dup
5093         operands 1 and 2 to better fit into the array.
5094         (negdi2 splitter): Ditto with split_di.
5095         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
5096         two separate calls with single member arrays.  Swap match_dup operands
5097         6 and 7 to better fit into the array.
5098
5099 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
5100
5101         * config/i386/i386.c (sse_builtin_type): New.
5102         (bdesc_sse_args): Likewise.
5103         (bdesc_sse_3arg): Removed.
5104         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
5105         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
5106         IX86_BUILTIN_ROUNDPS.
5107         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
5108         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
5109         IX86_BUILTIN_ROUNDPS.
5110         (ix86_expand_sse_4_operands_builtin): Removed.
5111         (ix86_expand_sse_operands_builtin): New.
5112         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
5113         and CODE_FOR_sse4_1_roundps.
5114         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
5115         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
5116
5117 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
5118
5119         PR target/35907
5120         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
5121         regs before frame pop when needed.  If use_backchain_to_restore_sp
5122         then load backchain into a temp reg to restore vr and vrsave.  Add
5123         code to restore vr after frame pop if possible.
5124
5125 2008-04-17  Richard Guenther  <rguenther@suse.de>
5126
5127         * tree-vn.c (expressions_equal_p): Do not check type
5128         equality or compatibility before calling operand_equal_p.
5129         * fold-const.c (operand_equal_p): Check equivalence of
5130         integer constants before bailing out due to signedness or
5131         precision differences.
5132         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
5133         spurious differences in type qualification.  Ignore types
5134         for COMPONENT_REFs at all.
5135
5136 2008-04-17  Christian Bruel  <christian.bruel@st.com>
5137
5138         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
5139         msw_skip comparison.
5140         
5141 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
5142
5143         PR c/35739
5144         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
5145         reg type.
5146
5147         PR tree-optimization/35899
5148         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
5149         rather than TREE_OPERAND.
5150
5151 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
5152
5153         PR target/35944
5154         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
5155         temporary registers.  Change operand predicate to general_operand.
5156         (remainderxf3): Ditto.
5157
5158 2008-04-16  Richard Guenther  <rguenther@suse.de>
5159
5160         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
5161         * tree-affine.c (aff_combination_expand): Look through some
5162         conversions.
5163
5164 2008-04-15  Doug Kwan  <dougkwan@google.com>
5165
5166         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
5167         for hex printing.
5168         * tree-pretty-print.c (dump_generic_node): Ditto.
5169         * final.c (output_addr_const): Ditto.
5170         * dwarf2out.c (output_cfi): Ditto.
5171         * c-pretty-print.c (pp_c_integer_constant): Ditto.
5172         * print-rtl.c (print_rtx): Ditto.
5173         * print-tree.c (print_node_brief, print_node): Ditto.
5174         * c-common.c (match_case_to_enum_1): Ditto.
5175         * sched-vis.c (print_value): Ditto.
5176         * config/i386/i386.c (print_operand): Cast to long unsigned int
5177         for hex printing.
5178
5179 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
5180         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
5181         MS Windows VirtualProtect function.
5182
5183 2008-04-15  Jan Hubicka  <jh@suse.cz>
5184
5185         * gengtype.c (write_root): Param_is argument is OK.
5186         * expr.c (expand_expr_real_1): Update call of get_exception_*.
5187         * function.h: Include varray.h
5188         (rtl_eh): New stucture based on except.c one.
5189         (call_site_record): New forward declaration and vector type.
5190         * calls.c (emit_call_1): Do not call
5191         note_current_region_may_contain_throw.
5192         * except.c (eh_status): Remove cur_region, try_region since they are
5193         unused.
5194         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
5195         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
5196         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
5197         Remove call_site_data_used, call_site_data_size.
5198         Turn call_site_record into vector in function.h.
5199         (note_current_region_may_contain_throw): Remove.
5200         (get_exception_pointer, get_exception_filter): Do not take struct
5201         function argument; update.
5202         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
5203         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
5204         build_post_landing_pads, dw2_build_landing_pads,
5205         sjlj_assign_call_site_values, sjlj_mark_call_sites,
5206         sjlj_emit_function_enter, sjlj_emit_function_enter, 
5207         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
5208         sjlj_build_landing_pads, finish_eh_generation,
5209         remove_exception_handler_label, remove_eh_handler,
5210         maybe_remove_eh_handler, add_reachable_handler,
5211         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
5212         add_action_record, collect_one_action_chain, add_call_site,
5213         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
5214         sjlj_output_call_site_table, output_function_exception_table,
5215         * except.h (note_current_region_may_contain_throw): Remove
5216         (get_exception_pointer, get_exception_filter): Do not take struct
5217         function argument.
5218         * Makefile.in (GTFILES): Put varargs before struct function.
5219
5220 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
5221
5222         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
5223         punt for STRING_CST.
5224         (get_constraint_for): Deal with STRING_CST here instead.
5225
5226 2008-04-15  Richard Guenther  <rguenther@suse.de>
5227
5228         * tree-ssa-propagate.c (substitute_and_fold): Substitute
5229         statements in a basic-block with a backward walk.  Do not
5230         substitute into dead statements but instead remove those.
5231
5232 2008-04-15  Richard Guenther  <rguenther@suse.de>
5233
5234         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
5235         to zero, thus disable creation of SFTs.
5236
5237 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
5238
5239         * tree-predcom.c (suitable_reference_p): Return false if the
5240         reference can throw.
5241
5242 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
5243
5244         PR c/35751
5245         * c-decl.c (finish_decl): If extern or static var has variable
5246         size, set TREE_TYPE (decl) to error_mark_node.
5247
5248 2008-04-15  Rafael Espindola  <espindola@google.com>
5249
5250         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
5251         variable arg1.
5252
5253 2008-04-15  Richard Guenther  <rguenther@suse.de>
5254
5255         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5256         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
5257         (visit_reference_op_load): Do walk vuse-vdef chains on
5258         vn_reference_lookup.
5259         (visit_reference_op_store): But do not here.
5260         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
5261         vn_reference_lookup.
5262         (vn_lookup_with_vuses): But do so here.
5263
5264 2008-04-14  Ian Lance Taylor  <iant@google.com>
5265
5266         * fold-const.c (fold_overflow_warning): Remove assertion.
5267
5268 2008-04-15  Ben Elliston  <bje@au.ibm.com>
5269
5270         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
5271         temp1 local variables.
5272
5273 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
5274
5275         PR target/35661
5276         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
5277         ".text.unlikely" section as executable.
5278
5279 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
5280
5281         * config/ia64/ia64.c (rtx_needs_barrier): Handle
5282         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
5283         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
5284         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
5285         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
5286         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
5287         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
5288
5289 2008-04-14  Ian Lance Taylor  <iant@google.com>
5290
5291         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
5292         * fold-const.c (fold_comparison): If appropriate, test
5293         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
5294         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
5295         reassociating a pointer type.
5296         * doc/invoke.texi (Optimize Options): Document that
5297         -fstrict-overflow applies to pointer wraparound.
5298
5299 2008-04-13  Jan Hubicka  <jh@suse.cz>
5300
5301         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
5302
5303 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
5304
5305         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
5306         we are going to "save the world".
5307
5308 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
5309
5310         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
5311         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
5312         operand 0 constraint, not "=".
5313
5314 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
5315
5316         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
5317
5318 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5319
5320         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
5321         of size of positions_needed * CHAR_BIT.
5322
5323 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5324
5325         PR middle-end/35897
5326         * dse.c (store_info): Change positions_needed to unsigned
5327         HOST_WIDE_INT.
5328         (lowpart_bitmask): New.
5329         (record_store): Cast to unsigned HOST_WIDE_INT for
5330         positions_needed.  Assert width <= size of positions_needed *
5331         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
5332         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
5333         lowpart_bitmask to set mask.
5334
5335 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5336
5337         * config/bfin/constraints.md: New file.
5338         * config/bfin/bfin.md: Include it.
5339         (adddi3): Use satisfies_constraint functions instead of the old macros.
5340         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
5341         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
5342         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
5343         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
5344         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
5345         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
5346         EXTRA_CONSTRAINT): Delete.
5347         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
5348         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
5349         of the old macros.
5350         * config/bfin/bfin.c: Include "tm-constrs.h".
5351         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
5352         Use satisfies_constraint functions instead of the old macros.
5353         * doc/md.texi (Blackfin Constraints): Update file name reference.
5354
5355 2008-04-11  Richard Guenther  <rguenther@suse.de>
5356
5357         PR tree-optimization/35869
5358         * tree-vrp.c (execute_vrp): Move switch statement update after
5359         jump threading.  Schedule another cfg cleanup run.
5360
5361 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
5362
5363         PR c/35744
5364         * attribs.c (decl_attributes): Return early on errorneous node.
5365
5366 2008-04-10  Oleg Ryjkov  <olegr@google.com>
5367
5368         * tree.h (struct tree_base): Added a new flag default_def_flag.
5369         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
5370
5371 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5372
5373         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
5374
5375 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5376
5377         PR target/35768
5378         * pa.md: Define mode iterator P.  Define mode attribute dwc.
5379         (dcacheflush): Update pattern to use iterator P and attribute dwc.
5380         (icacheflush): Likewise.
5381         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
5382         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
5383
5384 2008-04-11  Ben Elliston  <bje@au.ibm.com>
5385
5386         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
5387
5388 2008-04-10  Rafael Espindola  <espindola@google.com>
5389
5390         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
5391         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
5392         (extract_range_from_expr): The same.
5393
5394 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
5395
5396         * config/mips/mips.md (GPR2): New mode iterator.
5397         (seq): Add comment.
5398         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
5399         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
5400         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
5401         Rewrite these to take two modes, the mode of comparison and the
5402         mode of the destination.
5403         * config/mips/mips.c (mips_expand_scc): Instead of having
5404         paradoxical subreg as destination, expand "narrowing" scc if mode
5405         of comparison is SI and target is requested in DI mode.
5406         (mips_emit_int_order_test): Update comment.  Make mode of
5407         comparison match CMP0 rather than TARGET.  When creating inverse
5408         target use mode of TARGET.
5409
5410 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
5411
5412         * gcov-dump.c (tag_summary): Only print summaries for the first
5413         GCOV_COUNTERS_SUMMABLE counters.
5414
5415 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
5416
5417         * config/i386/i386.md (absneg): New code iterator.
5418         (absnegprefix): New code attribute.
5419         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
5420         patterns using absneg code iterator.
5421         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
5422         using absneg code iterator.
5423         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
5424         *neg<mode>2 patterns using absneg code iterator.
5425         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
5426         *negextendsfdf2 patterns using absneg code iterator.
5427         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
5428         *negextendsfxf2 patterns using absneg code iterator.
5429         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
5430         *negextendsfdf2 patterns using absneg code iterator.
5431         * config/i386/sse.md (<code><mode>2): Macroize expander from
5432         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
5433
5434 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5435
5436         * config/s390/s390.h: Remove the remains of the recent search
5437         & replace action of current_function_outgoing_args_size.
5438
5439 2008-04-10  Ira Rosen  <irar@il.ibm.com>
5440
5441         PR tree-optimization/35821
5442         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
5443         NEW_STMT_LIST is not NULL.
5444
5445 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
5446
5447         PR libstdc++/35597
5448         * toplev.c (process_options): Remove -ffunction-sections debugging
5449         warning.
5450
5451 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
5452
5453         PR middle-end/PR28690
5454         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
5455         than gen_rtx_fmt_ee to perform more canonicalizations.
5456
5457 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5458
5459         PR driver/35665
5460         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
5461
5462 2008-04-09  Richard Guenther  <rguenther@suse.de>
5463
5464         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
5465         (dump_function_to_file): Dump function arguments with types.
5466
5467 2008-04-08  Richard Guenther  <rguenther@suse.de>
5468
5469         * fold-const.c (fold_widened_comparison): Do not allow
5470         sign-changes that change the result.
5471
5472 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
5473
5474         PR target/35839
5475         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
5476         kinds of indirect references.
5477
5478 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
5479
5480         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
5481         GNU Fortran language string.
5482
5483 2008-04-08  Rafael Espindola  <espindola@google.com>
5484
5485         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
5486         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
5487         * tree.h (tree_call_nonnegative_warnv_p): New.
5488
5489 2008-04-08  Jan Hubicka  <jh@suse.cz>
5490
5491         * function.c (free_after_compilation): Clear out regno_reg_rtx
5492         pointer.
5493
5494 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
5495
5496         Revert
5497         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
5498
5499         PR middle-end/PR28690
5500         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
5501         same precedence as REG_POINTER and MEM_POINTER operands.
5502
5503 2008-04-08  Richard Guenther  <rguenther@suse.de>
5504
5505         PR middle-end/35834
5506         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
5507         for adding index to base.
5508
5509 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
5510
5511         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
5512         (MINGW_ENABLE_EXECUTE_STACK): New.
5513         (IN_LIBGCC2): For libgcc include windows.h file for
5514         function declarations.
5515
5516 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
5517
5518         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
5519         and tem2 if tem1 is not a REG or MULT.
5520
5521 2008-04-08  Jan Hubicka  <jh@suse.cz>
5522
5523         * function.h (incomming_args): Break out of struct function.
5524         (function_subsections): Break out of struct function.
5525         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
5526         return_rtx and hard_reg_initial_vals from struct function.
5527         Kill inl_max_label_num.
5528         (current_function_pops_args, current_function_args_info,
5529         current_function_args_size, current_function_args_size,
5530         current_function_pretend_args_size,
5531         current_function_outgoing_args_size,
5532         current_function_internal_arg_pointer, current_function_return_rtx):
5533         Kill compatibility accestor macros.
5534         * builtins.c (expand_builtin_apply_args_1): Update.
5535         (expand_builtin_next_arg): Update.
5536         * df-scan.c (df_get_call_refs): Update.
5537         * dbxout.c (dbxout_function_end): Update.
5538         * dwarf2out.c (dwarf2out_switch_text_section): Update.
5539         (output_line_info): Update.
5540         (secname_for_decl): Update.
5541         (dwarf2out_var_location): Update.
5542         * function.c (free_after_compilation): Update.
5543         (assign_parm_find_stack_rtl): Update.
5544         (assign_parms): Update.
5545         (expand_dummy_function_end): Update.
5546         (expand_function_end): Update.
5547         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
5548         (expand_call): Update.
5549         (emit_library_call_value_1): Update.
5550         (store_one_arg): Update.
5551         * varasm.c (initialize_cold_section_name): Update.
5552         (unlikely_text_section): Update.
5553         (unlikely_text_section_p): Update.
5554         (assemble_start_function): Update.
5555         (assemble_end_function): Update.
5556         (default_section_type_flags): Update.
5557         (switch_to_section): Update.
5558         * integrate.c (set_decl_abstract_flags): Update.
5559         (get_hard_reg_initial_val): Update.
5560         (has_hard_reg_initial_val): Update.
5561         (allocate_initial_values): Update.
5562         * resource.c (init_resource_info): Update.
5563         * config/alpha/alpha.c (NUM_ARGS): Update.
5564         (direct_return): Update.
5565         (alpha_va_start): Update.
5566         (alpha_sa_size): Update.
5567         (alpha_initial_elimination_offset): Update.
5568         (alpha_expand_prologue): Update.
5569         (alpha_start_function): Update.
5570         (alpha_expand_epilogue): Update.
5571         (unicosmk_initial_elimination_offset):
5572         * config/alpha/alpha.md (call expander): Update.
5573         * config/s390/s390.c (s390_register_info): Update.
5574         (s390_register_info): Update.
5575         (s390_frame_info): Update.
5576         (s390_initial_elimination_offset): Update.
5577         (s390_build_builtin_va_list): Update.
5578         (s390_va_start): Update.
5579         * config/spu/spu.c (direct_return): Update.
5580         (spu_expand_prologue): Update.
5581         (spu_initial_elimination_offset): Update.
5582         (spu_build_builtin_va_list): Update.
5583         (spu_va_start): Update.
5584         * config/sparc/sparc.c (sparc_init_modes): Update.
5585         (sparc_compute_frame_size): Update.
5586         (function_value): Update.
5587         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
5588         * config/i386/i386.md (return expander): Update.
5589         * config/i386/i386.c (ix86_va_start): Update.
5590         (ix86_can_use_return_insn_p): Update.
5591         (ix86_compute_frame_layout): Update.
5592         (ix86_expand_epilogue): Update.
5593         * config/sh/sh.c (output_stack_adjust): Update.
5594         (calc_live_regs): Update.
5595         (sh_expand_prologue): Update.
5596         (sh_builtin_saveregs): Update.
5597         (sh_va_start): Update.
5598         (initial_elimination_offset): Update.
5599         (sh_allocate_initial_value): Update.
5600         (sh_function_ok_for_sibcall): Update.
5601         (sh_get_pr_initial_val): Update.
5602         * config/sh/sh.md (return expander): Update.
5603         * config/avr/avr.c (frame_pointer_required_p): UPdate.
5604         * config/crx/crx.c (crx_compute_frame): UPdate.
5605         (crx_initial_elimination_offset): UPdate.
5606         * config/xtensa/xtensa.c (compute_frame_size): Update
5607         (xtensa_builtin_saveregs): Update.
5608         (xtensa_va_start): Update.
5609         (order_regs_for_local_alloc): Update.
5610         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
5611         (xstormy16_expand_builtin_va_start): Update.
5612         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
5613         * config/m68hc11/m68hc11.md (return expanders): Update.
5614         * config/m68hc11/m68hc11.c (expand_prologue): Update.
5615         (expand_epilogue): Update.
5616         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
5617         (cris_simple_epilogue): Update.
5618         (cris_expand_prologue): Update.
5619         (cris_expand_epilogue): Update.
5620         * config/iq2000/iq2000.c (iq2000_va_start): Update.
5621         (compute_frame_size): Update.
5622         * config/mt/mt.c (mt_compute_frame_size): Update.
5623         * config/mn10300/mn10300.c (expand_prologue): Update.
5624         (expand_epilogue): Update.
5625         (initial_offset): Update.
5626         (mn10300_builtin_saveregs):
5627         * config/mn10300/mn10300.md (return expander): Update.
5628         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
5629         (ia64_initial_elimination_offset): Update.
5630         (ia64_initial_elimination_offset): Update.
5631         (ia64_expand_prologue): Update.
5632         * config/m68k/m68k.md (return expander): Update.
5633         * config/rs6000/rs6000.c (rs6000_va_start): Update.
5634         (rs6000_stack_info): Update.
5635         * config/mcore/mcore.c (layout_mcore_frame): Update.
5636         (mcore_expand_prolog): Update.
5637         * config/arc/arc.c (arc_compute_frame_size): Update.
5638         * config/score/score3.c (score3_compute_frame_size): Update.
5639         * config/score/score7.c (score7_compute_frame_size): Update.
5640         * config/arm/arm.c (use_return_insn): Update.
5641         (thumb_find_work_register): Update.
5642         (arm_compute_save_reg_mask): Update.
5643         (arm_output_function_prologue): Update.
5644         (arm_output_epilogue): Update.
5645         (arm_size_return_regs): Update.
5646         (arm_get_frame_offsets): Update.
5647         (arm_expand_prologue): Update.
5648         (thumb_exit): Update.
5649         (thumb_unexpanded_epilogue): Update.
5650         (thumb1_output_function_prologue): Update.
5651         * config/pa/pa.md (return expander): Update.
5652         * config/pa/pa.c (compute_frame_size): Update.
5653         (hppa_builtin_saveregs): Update.
5654         * config/mips/mips.c (mips_va_start): Update.
5655         (mips16_build_function_stub): Update.
5656         (mips_compute_frame_info): Update.
5657         (mips_restore_gp): Update.
5658         (mips_output_function_prologue): Update.
5659         (mips_expand_prologue): Update.
5660         * config/v850/v850.c (compute_frame_size): Update.
5661         (expand_prologue): * config/mmix/mmix.c (along): update.
5662         (mmix_initial_elimination_offset): update.
5663         (mmix_reorg): update.
5664         (mmix_use_simple_return): update.
5665         (mmix_expand_prologue): update.
5666         (mmix_expand_epilogue): Update.
5667         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
5668         (emit_link_insn): Update.
5669
5670 2008-04-08  Anatoly Sokolov <aesok@post.ru>
5671
5672         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
5673         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
5674         instructions.
5675         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
5676         atmega103 device.
5677
5678 2008-04-07  Jan Hubicka  <jh@suse.cz>
5679
5680         * function.h (rtl): Rename to x_rtl.
5681         (crtl): New define.
5682         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
5683         frame_offset, stack_check_probe_note, arg_pointer_save_area,
5684         used_temp_slots avail_temp_slots, temp_slot_level,
5685         nonlocal_goto_handler_labels): Update accesstors.
5686         (rtl): New global variable.
5687         (struct function): Move some fileds to rtl_data.
5688         (get_arg_pointer_save_area): Update prototype.
5689         * builtins.c (expand_builtin_setjmp_receiver): Update call of
5690         get_arg_pointer_save_area.
5691         * expr.c (init_expr): Update
5692         * function.c (get_frame_size): Update
5693         (assign_stack_local): Update
5694         (expand_function_end): Update.
5695         (get_art_pointer_save_area): Update
5696         * function.h 
5697         * emit-rtl.c (rtl): Declare.
5698         (regno_reg_rtx): Declare.
5699         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
5700         Update.
5701         (gen_reg_rtx): Update.
5702         * varasm.c (n_deferred_constatns): Update accestor.
5703         (init_varasm_status): Do not allocate varasm_status.
5704         (force_const_mem, get_pool_size, output_constant_pool): Update.
5705         * stmt.c (force_label_rtx): Do not use x_ prefixes.
5706         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
5707         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
5708         * sparc/sparc.h (INIT_EXPANDERS): Update.
5709         * ia64/ia64.h (INIT_EXPANDERS): Update.
5710
5711 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
5712
5713         * reload.c (push_secondary_reload): Add missing break to for loop.
5714
5715 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
5716
5717         PR middle-end/PR28690
5718         * rtlanal.c: Update copyright years.
5719         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
5720         as REG_POINTER and MEM_POINTER operands.
5721         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
5722         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
5723         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
5724         * gcse.c: Update copyright years.
5725         (pre_delete): Call gen_reg_rtx_and_attrs.
5726         (hoist_code): Likewise.
5727         (build_store_vectors): Likewise.
5728         (delete_store): Likewise.
5729         * loop-invariant.c (move_invariant_reg): Likewise.
5730         Update copyright years.
5731
5732 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
5733
5734         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
5735         control string instead of quoted.
5736
5737 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
5738
5739         * doc/rtl.texi: Rewrite of subreg section.
5740
5741 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
5742
5743         PR/35842
5744         * config/i386/i386.c (legitimize_pic_address): Add treating
5745         of dllimport SYM_REF's.
5746         (legitimize_dllimport_symbol): Add prototype.
5747
5748 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
5749
5750         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
5751         reference in constructor with non self-referential type.
5752
5753 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
5754
5755         Removal of Return with Depressed Stack Pointer support
5756         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
5757         (ECF_SP_DEPRESSED): Likewise.
5758         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
5759         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
5760         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
5761         (expand_call): Do not test ECF_SP_DEPRESSED.
5762         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
5763         * function.c (keep_stack_depressed): Delete.
5764         (handle_epilogue_set): Likewise.
5765         (update_epilogue_consts): Likewise.
5766         (emit_equiv_load): Likewise.
5767         (thread_prologue_and_epilogue_insns): Remove support for Return with
5768         Depressed Stack Pointer.
5769         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
5770
5771 2008-04-06  Richard Guenther  <rguenther@suse.de>
5772
5773         PR tree-optimization/35400
5774         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
5775         information from SSA_NAMEs.
5776
5777 2008-04-06  Anatoly Sokolov <aesok@post.ru>
5778
5779         * config/avr/avr.h (avr_mega_p): Remove declaration.
5780         (AVR_MEGA): Remove macro.
5781         * config/avr/avr.c (avr_mega_p): Remove variable.
5782         (avr_override_options): Remove inicializion of avr_mega_p.
5783         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
5784         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
5785         (avr_jump_mode): (Ditto.).
5786         (avr_output_progmem_section_asm_op): (Ditto.).
5787         (avr_asm_init_sections): (Ditto.).
5788         (avr_asm_init_sections): (Ditto.).
5789         (avr_rtx_costs): (Ditto.).
5790         * config/avr/avr.md: (Ditto.).
5791         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
5792         '__AVR_MEGA__'.
5793
5794 2008-04-06  Richard Guenther  <rguenther@suse.de>
5795
5796         PR tree-optimization/35842
5797         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
5798         is_gimple_invariant_address.
5799
5800 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
5801
5802         * gcc.c (default_compilers): Sync Fortran extensions list with
5803         that in fortran/lang-specs.h.
5804         * doc/invoke.texi: Likewise.
5805         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
5806         * dwarf2out.c (gen_compile_unit_die): Likewise.
5807
5808 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
5809
5810         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
5811
5812 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
5813
5814         PR target/12329
5815         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
5816         attribute is used for nested functions.
5817
5818 2008-04-05  Jan Hubicka  <jh@suse.cz>
5819
5820         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
5821
5822         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
5823         letter argument.
5824         (dump_files): Update.
5825         (enable_rtl_dump_file): Do not accept letter argument.
5826         * tree-pass.h (dump_file_info): Remove letter argument.
5827         * toplev.c (decode_d_option): Update -da handling.
5828         * toplev.h (enable_rtl_dump_file): Update prototype.
5829         * passes.c (register_one_dump_file): Do not accept IPA argument; work
5830         it out based on pass type.
5831         (register_dump_files_1): Likewise.
5832         (init_optimization_passes): Update register_one_dump_file calls.
5833         (execute_one_pass): Sanity check that IPA passes are called at IPA
5834         level and RTL passes at RTL level.
5835         (execute_pass_list): IPA pass can not be after or subpass of
5836         GIMPLE/RTL pass.
5837         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
5838         disallov RTL subpasses of IPA subpasses.
5839
5840 2008-04-05  Ben Elliston  <bje@au.ibm.com>
5841
5842         * tree-cfg.c (need_fake_edge_p): Return false for calls to
5843         builtins that return exactly once and do not throw. Cache call to
5844         call_expr_flags.
5845
5846 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
5847
5848         PR rtl-optimization/34916
5849         PR middle-end/35519
5850         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
5851         between instruction pairs.
5852
5853 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
5854
5855         * doc/invoke.texi: Document -mbitops for SH.
5856         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
5857         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
5858         * config/sh/sh.c (print_operand): Add %t operand code.
5859         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
5860         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
5861         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
5862         (extendqihi2): Likewise.
5863         (movqi_i): Likewise.
5864         (insv): Use bset, bclr and bst instructions for SH2A if possible.
5865         (extv): Use bld instruction for SH2A if possible.
5866         (extzv): Likewise.
5867         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
5868         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
5869         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
5870         (bset.b, bclr.b): Define peepholes.
5871         * config/sh/sh.opt (mbitops): New option.
5872
5873 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
5874
5875         PR target/35620
5876         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
5877         and view convert expression.
5878
5879 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
5880
5881         PR target/35364
5882         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
5883
5884 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
5885
5886         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
5887
5888         * config/i386/cpuid.h (bit_AES): New.
5889         (bit_PCLMUL): Likewise.
5890
5891         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
5892         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
5893         SSE2 if AES or PCLMUL is enabled.
5894         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
5895         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
5896         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
5897         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
5898         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
5899         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
5900         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
5901         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
5902         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
5903         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
5904         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
5905         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
5906         __builtin_ia32_aeskeygenassist128 and
5907         __builtin_ia32_pclmulqdq128.
5908         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
5909         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
5910         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
5911
5912         * config/i386/i386.h (TARGET_AES): New.
5913         (TARGET_PCLMUL): Likewise.
5914         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
5915
5916         * config/i386/i386.md (UNSPEC_AESENC): New.
5917         (UNSPEC_AESENCLAST): Likewise.
5918         (UNSPEC_AESDEC): Likewise.
5919         (UNSPEC_AESDECLAST): Likewise.
5920         (UNSPEC_AESIMC): Likewise.
5921         (UNSPEC_AESKEYGENASSIST): Likewise.
5922         (UNSPEC_PCLMUL): Likewise.
5923
5924         * config/i386/i386.opt (maes): New.
5925         (mpclmul): Likewise.
5926
5927         * config/i386/sse.md (aesenc): New pattern.
5928         (aesenclast): Likewise.
5929         (aesdec): Likewise.
5930         (aesdeclast): Likewise.
5931         (aesimc): Likewise.
5932         (aeskeygenassist): Likewise.
5933         (pclmulqdq): Likewise.
5934
5935         * config/i386/wmmintrin.h: New.
5936
5937         * doc/extend.texi: Document AES and PCLMUL built-in function.
5938
5939         * doc/invoke.texi: Document -maes and -mpclmul.
5940
5941 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
5942
5943         * function.c (free_after_parsing): Replace with
5944         cxx_push_function_context from C++ front-end.
5945         (allocate_struct_function): Don't call langhook.
5946         * langhooks.h (struct lang_hooks_for_functions): Delete.
5947         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
5948         member "function".
5949         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
5950         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
5951         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
5952         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
5953         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
5954         remove LANG_HOOKS_FUNCTION_INITIALIZER.
5955         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
5956
5957         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
5958         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
5959         
5960 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
5961
5962         PR c/35440
5963         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
5964         for all types.
5965
5966 2008-04-04  Richard Guenther  <rguenther@suse.de>
5967
5968         PR middle-end/35823
5969         * fold-const.c (optimize_minmax_comparison): Use the correct
5970         type for the constant in the simplified comparison.
5971
5972 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
5973
5974         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
5975         Pass L2 size as "--param l2-cache-size" to the compiler.
5976         (decode_l2_cache): New function to decode L2 cache parameters using
5977         0x8000006 extended cpuid function.
5978         (detect_caches_amd): Determine parameters of L2 cache using
5979         decode_l2_caches function.
5980         (decode_caches_intel): Decode L2 cache parameters.
5981         (detect_caches_intel): Determine L2 cache parameters using
5982         decode_caches_intel and decode_l2_caches functions.
5983
5984 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
5985
5986         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
5987         secondary input reload for subword loads from the constant pool.
5988
5989 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
5990
5991         PR target/35713
5992         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
5993           constants of the appropriate size for runtime calculations.
5994
5995         PR c/35712
5996         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
5997           decimal-float literal constant zero.
5998
5999 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
6000
6001         PR c/35738
6002         * c-parser.c (c_parser_omp_atomic): Call
6003         default_function_array_conversion on the RHS.
6004
6005         PR middle-end/35818
6006         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
6007         call is_variable_sized if decl has incomplete type.
6008
6009 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
6010
6011         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
6012
6013 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
6014
6015         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
6016         iterators.
6017         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
6018         (sgt<u>): Merge sgt and sgtu into new expander.
6019         (sgt, sgtu): Remove expanders.
6020         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
6021         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
6022         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
6023         *sgtu_<mode>_mips16 into new pattern.
6024         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
6025         (sge<u>): Merge sge and sgeu into new expander.
6026         (sge, sgeu): Remove expanders.
6027         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
6028         new pattern.
6029         (*sge_<mode>, second *sge_<mode>): Remove patterns.
6030         (slt<u>): Merge slt and sltu into new expander.
6031         (slt, sltu): Remove expanders.
6032         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
6033         (*slt_<mode>, *sltu_<mode>): Remove patterns.
6034         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
6035         *sltu_<mode>_mips16 into new pattern.
6036         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
6037         (sle<u>): Merge sle and sleu into new expander.
6038         (sle, sleu): Remove expanders.
6039         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
6040         (*sle_<mode>, *sleu_<mode>): Remove patterns.
6041         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
6042         *sleu_<mode>_mips16 into new pattern.
6043         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
6044
6045 2008-04-03  Jan Hubicka  <jh@suse.cz>
6046
6047         PR tree-optimization/35795
6048         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
6049         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6050         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
6051         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
6052         * score/score3.c (score3_output_mi_thunk): Likewise.
6053         * score/score7.c (score7_output_mi_thunk): Likewise.
6054         * mips/mips.c (mips_output_mi_thunk): Likewise.
6055
6056 2008-04-03  Richard Guenther  <rguenther@suse.de>
6057
6058         * tree-vrp.c (extract_range_from_unary_expr): Handle all
6059         conversions.  Simplify code.
6060
6061 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6062
6063         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
6064
6065 2008-04-03  Tom Tromey  <tromey@redhat.com>
6066             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6067
6068         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
6069         * config/bfin/t-bfin-linux (generated_files): Add
6070         linux-sysroot-suffix.h.
6071         * doc/install.texi (Prerequisites): Require make 3.80.
6072         * doc/sourcebuild.texi (Front End Directory): Document new
6073         variable.
6074         * Makefile.in (generated_files): New variable.
6075         (ALL_HOST_OBJS): New variable.
6076         ($(ALL_HOST_OBJS)): New target.
6077
6078 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
6079
6080         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
6081         (remap_block): Call id->transform_lang_insert_block instead
6082         of langhook.
6083         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
6084         Set id.transform_lang_insert_block to NULL.
6085         (clone_body): Move to cp/optimize.c
6086         * tree-inline.h (struct copy_body_data): Change
6087         transform_lang_insert_block to function pointer.
6088         (copy_generic_body, copy_decl_no_change): Export.
6089         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
6090         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
6091         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
6092
6093         * c-tree.h (insert_block): Kill.
6094         * c-decl.c (insert_block): Kill.
6095
6096 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
6097
6098         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
6099         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
6100         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
6101         argument.
6102         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
6103         argument, call {push,pop}_function_context from here.
6104         * c-parser.c: Use c_{push,pop}_function_context.
6105
6106         * function.c (push_function_context_to): Move meat ...
6107         (push_function_context): ... here.  Simplify.
6108         * function.c (pop_function_context_from): Move meat ...
6109         (pop_function_context): ... here.  Simplify.
6110         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
6111         leave_nested).
6112         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
6113         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
6114         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
6115         * tree.h (push_function_context_to, pop_function_context_from): Remove.
6116
6117 2008-04-03  Ben Elliston  <bje@au.ibm.com>
6118
6119         * expmed.c (extract_force_align_mem_bit_field): Remove.
6120
6121 2008-04-03  Richard Guenther  <rguenther@suse.de>
6122
6123         PR middle-end/35800
6124         * expr.h (try_casesi): Adjust prototype.
6125         * expr.c (try_casesi): Take fallback label as extra parameter.
6126         Use that for gen_casesi if default_label is NULL.
6127         * stmt.c (expand_case): Pass fallback label to try_casesi,
6128         make sure to fill gaps with a fallback label if default_label
6129         is not present.
6130
6131 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
6132
6133         PR target/35801
6134         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
6135
6136 2008-04-03  Ben Elliston  <bje@au.ibm.com>
6137
6138         * expmed.c (extract_split_bit_field): Remove if (0) code.
6139         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
6140         (do_ds_constraint): Likewise.
6141
6142 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
6143
6144         * doc/cppopts.texi (-dU): Document.
6145         * c-common.h (flag_dump_macros): Update comment.
6146         * c-opts.c (handle_OPT_d): Handle -dU.
6147         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
6148         dump_queued_macros, cb_used_define, cb_used_undef): New.
6149         (init_pp_output): Handle -dU.
6150         (cb_line_change): Call dump_queued_macros.
6151         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
6152
6153 2008-04-02  Anatoly Sokolov <aesok@post.ru>
6154
6155         * config/avr/predicates.md (io_address_operand): New predicate. 
6156         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
6157         * config/avr/avr.c (avr_io_address_p): Remove function.
6158         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
6159         'avr_io_address_p' function.
6160         (out_movhi_r_mr): (Ditto.).
6161         (out_movqi_mr_r): (Ditto.).
6162         (out_movhi_mr_r): (Ditto.).
6163         (avr_address_cost): (Ditto.).
6164
6165 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
6166
6167         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
6168         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
6169         in 32bit mode when XMM registers are available to avoid store
6170         forwarding stalls.
6171         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
6172         corresponding post-reload splitters.
6173
6174 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6175
6176         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
6177         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
6178         __builtin_ia32_roundss.
6179         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
6180         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
6181         __builtin_ia32_roundss.
6182         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
6183         IX86_BUILTIN_SHUFPD here.
6184
6185 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6186
6187         * config/i386/i386.md (plogic): New.
6188         (plogicprefix): Likewise.
6189
6190         * config/i386/mmx.md (mmx_<code><mode>3): New.
6191         (mmx_and<mode>3): Removed.
6192         (mmx_ior<mode>3): Likewise.
6193         (mmx_xor<mode>3): Likewise.
6194
6195         * config/i386/sse.md (<code><mode>3): New.
6196         (*<code><mode>3): Likewise.
6197         (*<code><mode>3): Likewise.
6198         (<code><mode>3): Likewise.
6199         (*sse_<code><mode>3): Likewise.
6200         (*sse2_<code><mode>3): Likewise.
6201         (<code>tf3): Likewise.
6202         (*<code>tf3): Likewise.
6203         (and<mode>3): Likewise.
6204         (*and<mode>3): Likewise.
6205         (ior<mode>3): Removed.
6206         (*ior<mode>3): Likewise.
6207         (xor<mode>3): Likewise.
6208         (*xor<mode>3): Likewise.
6209         (*and<mode>3): Likewise.
6210         (*ior<mode>3): Likewise.
6211         (*xor<mode>3): Likewise.
6212         (and<mode>3): Likewise.
6213         (*sse_and<mode>3): Likewise.
6214         (*sse2_and<mode>3): Likewise.
6215         (andtf3): Likewise.
6216         (*andtf3): Likewise.
6217         (ior<mode>3): Likewise.
6218         (*sse_ior<mode>3): Likewise.
6219         (*sse2_ior<mode>3): Likewise.
6220         (iortf3): Likewise.
6221         (*iortf3): Likewise.
6222         (xor<mode>3): Likewise.
6223         (*sse_xor<mode>3): Likewise.
6224         (*sse2_xor<mode>3): Likewise.
6225         (xortf3): Likewise.
6226         (*xortf3): Likewise.
6227
6228 2008-04-02  Richard Guenther  <rguenther@suse.de>
6229
6230         PR tree-optimization/14495
6231         PR tree-optimization/34793
6232         * tree-vrp.c (struct switch_update): New structure.
6233         (to_remove_edges, to_update_switch_stmts): New VECs.
6234         (simplify_switch_using_ranges): New function.  Remove not taken
6235         case labels and edges.
6236         (simplify_stmt_using_ranges): Call it.
6237         (identify_jump_threads): Mark edges we have queued for removal
6238         so we don't thread them.
6239         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
6240         case label vector.
6241         * tree-cfg.c (group_case_labels): Deal with missing default label.
6242         (tree_verify_flow_info): Allow missing default label.
6243         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
6244         (emit_case_nodes): Likewise.
6245         (expand_case): Do not rely on the default label to be present.
6246         * expr.c (try_casesi): Deal with NULL default_label.
6247         (do_tablejump): Likewise.
6248
6249 2008-04-02  Richard Guenther  <rguenther@suse.de>
6250
6251         PR tree-optimization/14495
6252         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
6253         SWITCH_EXPR here ...
6254         (vrp_visit_switch_stmt): ... but here (new function).
6255         (find_case_label_index): New helper function.
6256         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
6257
6258 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6259
6260         * fwprop.c: Fix ISO-C99ism.
6261
6262 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6263
6264         PR bootstrap/35752
6265         * Makefile.in (objdir): Set it here.
6266         * configure.ac: Not here.  Find dynamic linker characteristics.
6267         * exec-tool.in: Use them.
6268         * aclocal.m4: Regenerate.
6269         * configure: Regenerate.
6270
6271 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6272
6273         * expr.c (expand_var): Delete it.
6274         * expr.h (expand_var): Delete prototype.
6275         * function.c (expand_function_start): Use expand_decl instead.
6276         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
6277         langhook.
6278
6279 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
6280
6281         PR rtl-optimization/35542
6282         * fwprop.c (forward_propagate_and_simplify): Replace
6283         loc_reg_mentioned_in_p with reg_mentioned_p.
6284
6285 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6286
6287         PR rtl-optimization/35281
6288         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
6289         (propagate_rtx_1): Handle PR_HANDLE_MEM.
6290         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
6291         (varying_mem_p): Move above propagate_rtx.
6292         (all_uses_available_at): Do not check MEMs.
6293
6294 2008-04-02  Rafael Espindola  <espindola@google.com>
6295
6296         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
6297         (register_edge_assert_for_2): Split the cond argument.
6298         (register_edge_assert_for_1): Adjust for the change in
6299         register_edge_assert_for_2.
6300         (register_edge_assert_for): Split the cond argument.
6301         (find_switch_asserts): Adjust for the change in
6302         register_edge_assert_for.
6303
6304 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
6305
6306         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
6307         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
6308         offsets for 64-bit mingw.
6309         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
6310         abi for x86_64-pc-mingw.
6311
6312 2008-04-02  Richard Guenther  <rguenther@suse.de>
6313
6314         * tree-vrp.c (extract_range_from_assert): Make sure to not
6315         produce range min/max with TREE_OVERFOW set.
6316         If merging a anti-range and a range keep the anti-range if
6317         the range covers all values of the type.
6318         (register_edge_assert_for_2): Only allow sign-changing
6319         conversions in detecting canonical range checks.  Also
6320         register an assert for the unsigned name if useful.
6321
6322         PR tree-optimization/35787
6323         * tree-vrp.c (vrp_val_max): New function.
6324         (vrp_val_min): Likewise.
6325         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
6326         (vrp_val_is_min): Likewise.
6327         (supports_overflow_infinity): Use vrp_val_{min,max}.
6328         (negative_overflow_infinity): Likewise.
6329         (positive_overflow_infinity): Likewise.
6330         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
6331         (is_positive_overflow_infinity): Likewise.
6332         (is_overflow_infinity): Likewise.
6333         (avoid_overflow_infinity): Use vrp_val_{min,max} and
6334         vrp_val_is_{min,max}.
6335         (set_and_canonicalize_value_range): Canonicalize anti-ranges
6336         to ranges if possible.  Avoid empty ranges.
6337
6338 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6339
6340         PR middle-end/35705
6341         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
6342         the expression is a function address.
6343
6344 2008-04-01  George Helffrich  <george@gcc.gnu.org>
6345
6346         PR fortran/35154, fortran/23057
6347         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
6348         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
6349         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
6350         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
6351         in common.
6352         (dbxout_syms): Check for COMMON-based symbol and wrap in
6353         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
6354         in bracket for efficiency.
6355
6356         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
6357         using DW_TAG_common_block + member offset.
6358         (add_pubname_string): New function.
6359         (dw_expand_expr): New function to find block name and offset for
6360         COMMON var.
6361         (common_check): New function to check whether symbol in Fortran COMMON.
6362         (gen_variable_die): If COMMON, use DW_TAG_common_block.
6363
6364 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
6365
6366         PR c/35436
6367         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
6368
6369 2008-04-02  Ben Elliston  <bje@au.ibm.com>
6370
6371         * config/v850/v850.md (casesi): Remove if (0) code.
6372         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
6373         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
6374
6375 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
6376
6377         * config/i386/i386.md (rex64suffix): New mode attribute.
6378         (floathi<mode>2): Disable expander for SSE math.
6379         (*floathi<mode>2_1): New insn insn_and_split pattern.
6380         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
6381         corresponding post-reload splitters.
6382         (*floathi<mode>2_i387): New macroized insn pattern.
6383         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
6384         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
6385         insn_and_split pattern.
6386         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
6387         New macroized instruction patterns and corresponding post-reload
6388         splitters.
6389         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
6390         and corresponding post-reload splitters.
6391         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
6392         New macroized instruction patterns.
6393         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
6394         macroized instruction patterns and corresponding post-reload splitters.
6395         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
6396         corresponding post-reload splitters.
6397         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
6398         New macroized instruction patterns.
6399         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
6400         corresponding post-reload splitters.
6401         (*floatsi<mode>2_i387): New macroized instruction patterns.
6402
6403 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
6404
6405         * config/i386/i386.md (smaxmin): New.
6406         (umaxmin): Likewise.
6407         (maxminiprefix): Likewise.
6408         (maxminfprefix): Likewise.
6409         (<code><mode>3): Likewise.
6410         (smin<mode>3): Removed.
6411         (smax<mode>3): Likewise.
6412
6413         * config/i386/mmx.md (mmx_<code>v2sf3): New.
6414         (mmx_<code>v4hi3): Likewise.
6415         (mmx_<code>v8qi3): Likewise.
6416         (mmx_smaxv2sf3): Removed.
6417         (mmx_sminv2sf3): Likewise.
6418         (mmx_umaxv8qi3): Likewise.
6419         (mmx_smaxv4hi3): Likewise.
6420         (mmx_uminv8qi3): Likewise.
6421         (mmx_sminv4hi3): Likewise.
6422
6423         * config/i386/sse.md (<addsub><mode>3): New.
6424         (*<addsub><mode>3): Likewise.
6425         (<sse>_vm<addsub><mode>3): Likewise.
6426         (<maxmin><mode>3): Likewise.
6427         (*<maxmin><mode>3_finite): Likewise.
6428         (*<maxmin><mode>3): Likewise.
6429         (<sse>_vm<maxmin><mode>3): Likewise.
6430         (sse3_h<addsub>v4sf3): Likewise.
6431         (sse3_h<addsub>v2df3): Likewise.
6432         (<maxmin>v16qi3): Likewise.
6433         (*<maxmin>v16qi3): Likewise.
6434         (<maxmin>v8hi3): Likewise.
6435         (*<maxmin>v8hi3): Likewise.
6436         (*sse4_1_<maxmin><mode>3): Likewise.
6437         (*sse4_1_<maxmin><mode>3): Likewise.
6438         (add<mode>3): Removed.
6439         (*add<mode>3): Likewise.
6440         (<sse>_vmadd<mode>3): Likewise.
6441         (sub<mode>3): Likewise.
6442         (*sub<mode>3): Likewise.
6443         (<sse>_vmsub<mode>3): Likewise.
6444         (smin<mode>3): Likewise.
6445         (*smin<mode>3_finite): Likewise.
6446         (*smin<mode>3): Likewise.
6447         (<sse>_vmsmin<mode>3): Likewise.
6448         (smax<mode>3): Likewise.
6449         (*smax<mode>3_finite): Likewise.
6450         (*smax<mode>3): Likewise.
6451         (<sse>_vmsmax<mode>3): Likewise.
6452         (sse3_haddv4sf3): Likewise.
6453         (sse3_haddv2df3): Likewise.
6454         (sse3_hsubv4sf3): Likewise.
6455         (sse3_hsubv2df3): Likewise.
6456         (umaxv16qi3): Likewise.
6457         (*umaxv16qi3): Likewise.
6458         (smaxv8hi3): Likewise.
6459         (*smaxv8hi3): Likewise.
6460         (*sse4_1_smax<mode>3): Likewise.
6461         (*sse4_1_umax<mode>3): Likewise.
6462         (uminv16qi3): Likewise.
6463         (*uminv16qi3): Likewise.
6464         (sminv8hi3): Likewise.
6465         (*sminv8hi3): Likewise.
6466         (*sse4_1_smin<mode>3): Likewise.
6467         (*sse4_1_umin<mode>3): Likewise.
6468
6469 2008-04-01  Rafael Espindola  <espindola@google.com>
6470
6471         * tree-cfg.c (verify_expr): remove in_phi.
6472         (verify_stmt): Don't call walk_tree with verify_expr. Use
6473         is_gimple_min_invariant instead of is_gimple_val.
6474
6475 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
6476
6477         * doc/include/gpl_v3.texi: Update for manpage generation.
6478         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
6479         gpl.texi.
6480         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
6481         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
6482         gpl_v3.texi instead of gpl.texi.
6483         (gpl.pod): New.
6484
6485 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
6486
6487         PR pch/13675
6488         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
6489
6490 2008-04-01  Rafael Espindola  <espindola@google.com>
6491
6492         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
6493         (extract_code_and_val_from_cond): Use
6494         extract_code_and_val_from_cond_with_ops.
6495
6496 2008-04-01  Jan Hubicka  <jh@suse.cz>
6497
6498         * function.c (free_after_compilation): Free epilogue_delay_list.
6499         (prepare_function_start): Assert that previous compilation was freed.
6500
6501 2008-04-01  Jan Hubicka  <jh@suse.cz>
6502             Jim Wilson  <wilson@tuliptree.org>
6503             Andreas Tobler <andreast@gcc.gnu.org>
6504
6505         PR middle-end/35781
6506         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
6507         rtl.emit instead cfun->emit.
6508         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
6509         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
6510
6511 2008-04-01  Ben Elliston  <bje@au.ibm.com>
6512
6513         * doc/c-tree.texi (Function Basics): Fix grammatical error.
6514
6515 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
6516
6517         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
6518         New options
6519         (fprofile-use): Add var flag_profile_use
6520         * coverage.c (coverage_begin_output): Do not open a gcno file for
6521         output only if -ftest-coverage is set.
6522         Do not add getpwd() to gcda file path.
6523         (build_gcov_info): Check the new flag
6524         flag_profile_datafile_relative_path.
6525         (coverage_init): Use profile_data_prefix.
6526         Read profile counter only if flag_profile_use is set.
6527         * opts.c (common_handle_option): New option fprofile-use=,
6528         fprofile-dir=, fprofile-generate=.
6529         * toplev.c (profile_data_prefix): New variable definition.
6530         * toplev.h (profile_data_prefix): New declaration.
6531         * doc/invoke.tex (Option Summary, Optimization Options):
6532         Add new options.
6533
6534 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
6535
6536         * varasm.c (output_constant_pool_1): In LABEL_REF check,
6537         use tmp consistently.
6538
6539         PR target/35695
6540         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
6541         * config/ia64/ia64.c (rtx_needs_barrier): Handle
6542         UNSPEC_FR_RECIP_APPROX_RES.
6543         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
6544
6545 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
6546
6547         PR c/35750
6548         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
6549
6550 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6551
6552         PR middle-end/30186
6553         * fold-const.c (fold_indirect_ref_1): Support accessing non first
6554         element of the vector via a pointer.
6555
6556 2008-03-31  Ian Lance Taylor  <iant@google.com>
6557
6558         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
6559
6560 2008-03-31  Jan Hubicka  <jh@suse.cz>
6561
6562         * builtins.c (expand_builtin_setjmp_receiver): Update call of
6563         get_arg_pointer_save_area.
6564         * expr.c (init_expr): Just clear out rtl.expr.
6565         * function.c (free_after_compilation): Clear out whole RTL structure.
6566         (get_func_frame_size): Merge into ...
6567         (get_frame_size): ... this one.
6568         (assign_stack_local_1): Merge into ...
6569         (assign_stack_local): ... this one.
6570         (expand_function_end): Update call of get_arg_pointer_save_area.
6571         (get_art_pointer_save_area): Remove cfun argument.
6572         * function.h (emit_status): regno_pointer_align does not need length
6573         attribute. Move x_regno_reg_rtx to ...
6574         (regno_reg_rtx): ... new global array.
6575         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
6576         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
6577         apply_args_value, forced_labels, stack_pointer_delta):
6578         Update accestors.
6579         (struct varasm_status): Move here from varasm.c
6580         (struct rtl_data): New. Move here some fields from struct function.
6581         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
6582         frame_offset, stack_check_probe_note, arg_pointer_save_area,
6583         used_temp_slots avail_temp_slots, temp_slot_level,
6584         nonlocal_goto_handler_labels): Update accesstors.
6585         (rtl): New global variable.
6586         (struct function): Move some fileds to rtl_data.
6587         (get_arg_pointer_save_area): Update prototype.
6588         * emit-rtl.c (rtl): Declare.
6589         (regno_reg_rtx): Declare.
6590         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
6591         Update.
6592         (gen_reg_rtx): Update.
6593         (init_virtual_regs): Do not tate emit_status argument.
6594         (init_emit): Do not allocate emit.
6595         * varasm.c (varasm_statuc): Move to function.h.
6596         (n_deferred_constatns): Update accestor.
6597         (init_varasm_status): Do not allocate varasm_status.
6598         (force_const_mem, get_pool_size, output_constant_pool): Update.
6599         * stmt.c (force_label_rtx): Do not use x_ prefixes.
6600         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
6601
6602 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
6603
6604         PR rtl-optimization/35729
6605         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
6606         references.
6607
6608 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
6609
6610         PR target/32000
6611         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
6612         load/store if memory is unaligned.
6613         (*movti_rex64): Likewise.
6614
6615         * config/i386/predicates.md (misaligned_operand): New.
6616
6617 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
6618
6619         PR tree-opt/35431
6620         * tree-ssa-phiopt.c (conditional_replacement): Return early for
6621         complex types.
6622
6623 2008-03-31  Jan Beulich  <jbeulich@novell.com>
6624
6625         * config/ia64/constraints.md: Add 'j' constraint.
6626         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
6627         (movdi_internal): Likewise.
6628
6629 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
6630
6631         PR c/35748
6632         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
6633
6634 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
6635
6636         PR target/35757
6637         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
6638         proper error message for the third argument on blendpd and
6639         blendps.
6640
6641         * config/i386/sse.md (blendbits): New.
6642         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
6643
6644 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
6645
6646         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
6647
6648 2008-03-30  Richard Guenther  <rguenther@suse.de>
6649
6650         PR middle-end/31023
6651         * fold-const.c (fold_sign_changed_comparison): Do leave
6652         conversions to base-types alone.
6653
6654 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6655
6656         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
6657         the link register if one altivec register is be saved.
6658
6659 2008-03-30  Ben Elliston  <bje@au.ibm.com>
6660
6661         * final.c (final_scan_insn): Remove if (0) code.
6662
6663 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
6664
6665         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
6666
6667 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
6668
6669         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
6670         of V4SFmode to ix86_binary_operator_ok.
6671
6672 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
6673
6674         * config/i386/i386.c (override_options): Initialize
6675         ix86_veclib_handler to ix86_veclibabi_svml when
6676         -mveclibabi=svml is used.
6677         (ix86_veclibabi_svml): New function for SVML ABI style
6678         vectorization support.
6679         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
6680
6681 2008-03-28  Rafael Espindola  <espindola@google.com>
6682
6683         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
6684         (tree_binary_nonnegative_warnv_p): Make it public.
6685         (tree_single_nonnegative_warnv_p): Make it public.
6686         (tree_invalid_nonnegative_warnv_p): Make it public.
6687         (tree_unary_nonzero_warnv_p): Make it public.
6688         (tree_binary_nonzero_warnv_p): Make it public
6689         (tree_single_nonzero_warnv_p): Make it public.
6690         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
6691         (extract_range_from_binary_expr): Split the expr argument.
6692         (extract_range_from_unary_expr): Split the expr argument.
6693         (extract_range_from_comparison): Split the expr argument.
6694         (extract_range_from_expr): Use the new aux functions.
6695         (vrp_evaluate_conditional_warnv): Use
6696         vrp_evaluate_conditional_warnv_with_ops.
6697         * tree.h (tree_unary_nonzero_warnv_p): Declare.
6698         (tree_binary_nonzero_warnv_p): Declare.
6699         (tree_single_nonzero_warnv_p): Declare.
6700         (tree_expr_nonzero_warnv_p): Declare.
6701         (tree_unary_nonnegative_warnv_p): Declare.
6702         (tree_binary_nonnegative_warnv_p): Declare.
6703         (tree_single_nonnegative_warnv_p): Declare.
6704         (tree_invalid_nonnegative_warnv_p): Declare.
6705
6706 2008-03-28  Richard Guenther  <rguenther@suse.de>
6707
6708         PR tree-optimization/30317
6709         PR tree-optimization/30911
6710         PR tree-optimization/34793
6711         * tree-vrp.c (set_and_canonicalize_value_range): New function.
6712         (struct assert_locus_d): New member EXPR.
6713         (register_new_assert_for): Add EXPR parameter to support
6714         ASSERT_EXPR <name, expr OP limit>.
6715         (register_edge_assert_for_1): Adjust callers.
6716         (find_assert_locations): Likewise.
6717         (process_assert_insertions_for): Build condition from expression.
6718         (extract_range_from_assert): Handle ASSERT_EXPRs
6719         of the form ASSERT_EXPR <name, expr OP limit>.
6720         (register_edge_assert_for_2): New helper registering
6721         asserts for comparisons.  Recognize range tests of the form
6722         (unsigned)i - CST1 OP CST2.
6723         (register_edge_assert_for_1): Use it.
6724         (register_edge_assert_for): Likewise.
6725         (needs_overflow_infinity): Integer sub-types
6726         do not need overflow infinities.
6727         (vrp_val_is_max): The extreme values of integer sub-types
6728         are those of the base type.
6729         (vrp_val_is_min): Likewise.
6730         * tree.def (ASSERT_EXPR): Document extra allowed conditional
6731         expressions.
6732
6733 2008-03-28  Nick Clifton  <nickc@redhat.com>
6734
6735         PR target/31110
6736         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
6737         Return GENERAL_REGS for stack adjustment reloads.
6738
6739 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6740
6741         PR target/31334
6742         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
6743         const_vector when all the vectors are constant.
6744
6745 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
6746
6747         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
6748         comparisons.
6749         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
6750         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
6751         (scc_sf): New.
6752         (s<code>_sf): Use new scc_sf attribute for opcode names.
6753
6754 2008-03-27  Tom Tromey  <tromey@redhat.com>
6755
6756         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
6757         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
6758         config/spu/t-spu-elf, config/i386/t-interix,
6759         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
6760         config/i386/x-darwin, config/i386/x-mingw32,
6761         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
6762         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
6763         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
6764         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
6765         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
6766         config/rs6000/x-darwin, config/rs6000/t-rs6000,
6767         config/score/t-score-elf, config/arm/t-strongarm-pe,
6768         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
6769         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
6770         Revert automatic dependency patch.
6771
6772 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6773
6774         PR target/35657
6775         * config/i386/i386.c (ix86_function_arg_boundary): Align
6776         decimal floating point to its natural boundary.
6777
6778 2008-03-27  Richard Guenther  <rguenther@suse.de>
6779
6780         PR middle-end/35716
6781         * fold-const.c (fold_comparison): Restrict distinct decl
6782         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
6783         solely rely on operand_equal_p.
6784
6785 2008-03-27  Richard Guenther  <rguenther@suse.de>
6786
6787         PR c/32511
6788         * c-common.c (handle_weak_attribute): Reject combination of
6789         weak and inline.
6790
6791 2008-03-27  Richard Guenther  <rguenther@suse.de>
6792
6793         PR tree-optimization/32810
6794         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
6795         conversions from DECL_INITIAL.
6796         (fold_const_aggregate_ref): Likewise from constructor elements.
6797
6798 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
6799
6800         * tree-affine.h (aff_combination_expand): Declare.
6801         (get_inner_reference_aff): Likewise.
6802         * tree-affine.c (aff_combination_expand): Split out from
6803         tree_to_aff_combination_expand.
6804         (get_inner_reference_aff): New function.
6805         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
6806         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
6807         (struct lim_aux_data): sm_done field removed.
6808         (mem_ref_loc_p, mem_ref_locs_p): New types.
6809         (struct mem_ref): Added id, stored, accesses_in_loop,
6810         indep_loop, dep_loop, indep_ref, dep_ref fields.
6811         Removed is_stored, locs and next fields.
6812         (memory_accesses): New variable.
6813         (movement_possibility): Do not allow moving statements
6814         that store to memory.
6815         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
6816         New functions.
6817         (determine_max_movement): For statements with memory references,
6818         find the outermost loop in that the reference is independent.
6819         (move_computations_stmt): Mark the virtual operands for renaming.
6820         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
6821         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
6822         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
6823         add_vop_ref_mapping, create_vop_ref_mapping_loop,
6824         create_vop_ref_mapping, analyze_memory_references,
6825         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
6826         get_all_locs_in_loop, ref_always_accessed_p,
6827         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
6828         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
6829         store_motion_loop, store_motion): New functions.
6830         (struct vop_to_refs_elt): New type.
6831         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
6832         memref_hash, memref_eq, hoist_memory_references): Rewritten.
6833         (schedule_sm): Replaced by...
6834         (execute_sm): ... this.
6835         (determine_lsm_ref, hoist_memory_references,
6836         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
6837         find_more_ref_vops, free_mem_ref, free_mem_refs,
6838         determine_lsm_loop, determine_lsm): Removed.
6839         (tree_ssa_lim_finalize): Free data structures used by store motion.
6840         (tree_ssa_lim): Call analyze_memory_references.  Use
6841         store_motion instead of determine_lsm.
6842
6843 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
6844
6845         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
6846         rename tmake_file to m68hc11/t-m68hc11.
6847         (mcore): Set inhibit_libc to true.
6848         * config.host (alpha*-dec-*vms*): Set extra_programs.
6849         (interix3*): Don't use host_xmake_file.
6850         * configure.ac: Let config.gcc override inhibit_libc.
6851         * configure: Regenerate.
6852
6853         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
6854         * config/t-openbsd-thread: Remove commented out lines.
6855         
6856         * config/x-interix: Remove.
6857
6858         * config/m68hc11/t-m68hc11-gas: Rename to...
6859         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
6860
6861         * config/mcore/t-mcore: Remove T_CFLAGS.
6862         * config/mcore/t-mcore-pe: Likewise.
6863
6864 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
6865
6866         * configure.ac: Replace custom __GNU_SOURCE test with
6867         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
6868         * aclocal.m4: Regenerate.
6869         * configure: Regenerate.
6870         * config.in: Regenerate.
6871
6872 2008-03-27  Richard Guenther  <rguenther@suse.de>
6873
6874         * fold-const.c (target.h): Include.
6875         (fold_comparison): Fold comparison of addresses of decls
6876         that bind locally or of constants.  Consolidate address folding code.
6877         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
6878         results from fold_binary_to_constant.
6879         (compare_values_warnv): Likewise.
6880
6881 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
6882
6883         PR middle-end/35429
6884         * fold-const.c (fold_truthop): Check for integeral types when folding
6885         a == 0 && b == 0 and a != 0 || b != 0 .
6886
6887 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
6888
6889         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
6890
6891 2008-03-26  Andreas Schwab  <schwab@suse.de>
6892
6893         * doc/invoke.texi: Fix use of @item vs. @itemx.
6894
6895 2008-03-26  Tom Tromey  <tromey@redhat.com>
6896
6897         * Makefile.in (build/gensupport.o, build/print-rtl.o,
6898         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
6899         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
6900         build/gencodes.o, build/genconditions.o, build/genconfig.o,
6901         build/genconstants.o, build/genemit.o, build/genextract.o,
6902         build/genflags.o, build/genmddeps.o, build/genopinit.o,
6903         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
6904         options.h.
6905
6906 2008-03-26  Richard Guenther  <rguenther@suse.de>
6907
6908         Revert
6909         2008-03-26  Richard Guenther  <rguenther@suse.de>
6910
6911         * fold-const.c (target.h): Include.
6912         (fold_comparison): Fold comparison of addresses of two decls
6913         that bind locally.  Consolidate address folding code.
6914
6915 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6916
6917         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
6918         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
6919         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
6920         dconstsqrt2, dconstthird, dconste and/or dconst10.
6921         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
6922         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
6923         dconstsqrt2, dconste): Delete.
6924         (init_emit_once): Likewise.  Simplify initializing dconstm1.
6925         Constify variable.
6926         * real.c (get_real_const): New.
6927         * real.h (dconst3, dconst10, dconstm2, dconstthird,
6928         dconstsqrt2, dconste): Delete.
6929         (real_value_const, get_real_const): New.
6930
6931 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
6932
6933         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
6934
6935         * config/i386/i386.c (ix86_function_arg_boundary): Check
6936         BIGGEST_ALIGNMENT instead of 128.
6937         (setup_incoming_varargs_64): Likewise.
6938
6939 2008-03-26  Tom Tromey  <tromey@redhat.com>
6940
6941         * Makefile.in (DEPFILES): Add missing '/'.
6942
6943 2008-03-26  Richard Guenther  <rguenther@suse.de>
6944
6945         * fold-const.c (target.h): Include.
6946         (fold_comparison): Fold comparison of addresses of two decls
6947         that bind locally.  Consolidate address folding code.
6948
6949 2008-03-26  Nick Clifton  <nickc@redhat.com>
6950
6951         PR target/31232
6952         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
6953         not allow INT+INT as a legitimate addressing mode.
6954
6955 2008-03-26  Richard Guenther  <rguenther@suse.de>
6956
6957         * tree-flow.h (widen_bitfield): Remove declaration.
6958         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
6959         (widen_bitfield): Remove function.
6960         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
6961         code.
6962
6963 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6964
6965         PR target/31558
6966         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
6967         error_mark_node's.
6968
6969 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
6970
6971         PR rtl-optimization/35232
6972         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
6973         (forget_old_reloads_1, forget_marked_reloads): Don't clear
6974         reg_reloaded_call_part_clobbered here.
6975         (reload_regs_reach_end_p): New function.
6976         (reload_reg_rtx_for_input): New variable.
6977         (reload_reg_rtx_for_output): Likewise.
6978         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
6979         when reassigning a pseudo register.  Load reloadreg from 
6980         reload_reg_rtx_for_input, moving the mode and register
6981         calculation to...
6982         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
6983         instead of the original when deciding whether an input reload
6984         would be a no-op or whether an output reload can be deleted.
6985         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
6986         when setting up new_spill_reg_store.  Load it from
6987         reload_reg_rtx_for_output, moving the mode and register
6988         calculation to...
6989         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
6990         instead of the original when deciding whether an output reload
6991         would be a no-op.  Do the same when modifying insn notes.
6992         Use rtx_equal_p instead of == to compare the registers.
6993         (inherit_piecemeal_p): Take a mode and two register numbers
6994         as argument.
6995         (emit_reload_insns): Clear new_spill_reg_store for every hard
6996         register in the reload register.  Remove spill registers
6997         from reg_reloaded_valid before considering whether to record
6998         inheritance information for them.  Use reload_reg_rtx_for_output
6999         instead of reg_rtx when recording output reloads.  Use
7000         reload_reg_rtx_for_input instead of reg_rtx when recording
7001         input reloads.  Set or clear reg_reloaded_call_part_clobbered
7002         at the same time as setting reg_reloaded_valid.
7003         (delete_output_reload): Add a new_reload_reg parameter and use it
7004         instead of rld[j].reg_rtx.
7005         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
7006         calls accordingly.
7007
7008 2008-03-25  Tom Tromey  <tromey@redhat.com>
7009
7010         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
7011         (build/genattr.o): Likewise.
7012         (build/genattrtab.o): Likewise.
7013         (build/gencodes.o): Likewise.
7014         (build/genconfig.o): Likewise.
7015         (build/genconstants.o): Likewise.
7016         (build/genemit.o): Likewise.
7017         (build/genextract.o): Likewise.
7018         (build/genflags.o): Likewise.
7019
7020 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
7021         
7022         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
7023         instead of size_int for integer types.
7024         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
7025         to match type of MINUS_EXPR.
7026         
7027 2008-03-25  Tom Tromey  <tromey@redhat.com>
7028
7029         * configure: Rebuilt.
7030         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
7031         Makefile.
7032
7033 2008-03-25  Tom Tromey  <tromey@redhat.com>
7034
7035         * config/x-solaris (host-solaris.o): Update.
7036         * config/x-linux (host-linux.o): Update.
7037         * config/x-hpux (host-hpux.o): Update.
7038         * config/x-darwin (host-darwin.o): Update.
7039         * config/v850/t-v850e (v850-c.o): Update.
7040         * config/v850/t-v850 (v850-c.o): Update.
7041         * config/t-vxworks (vxworks.o): Update.
7042         * config/t-sol2 (sol2-c.o, sol2.o): Update.
7043         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
7044         * config/spu/t-spu-elf (spu-c.o): Update.
7045         (spu.o): Remove.
7046         * config/sh/t-symbian (sh-c.o): Update.
7047         (symbian.o): Update.
7048         * config/sh/t-sh (sh-c.o): Update.
7049         * config/score/t-score-elf (score7.o, score3.o): Update.
7050         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
7051         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
7052         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
7053         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
7054         (rs6000.o): Remove.
7055         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
7056         * config/m32c/t-m32c (m32c-pragma.o): Update.
7057         * config/ia64/t-ia64 (ia64-c.o): Update.
7058         * config/i386/x-mingw32 (host-mingw32.o): Update.
7059         * config/i386/x-i386 (driver-i386.o): Update.
7060         * config/i386/x-darwin (host-i386-darwin.o): Update.
7061         * config/i386/x-cygwin (host-cygwin.o): Update.
7062         * config/i386/t-nwld (nwld.o): Update.
7063         * config/i386/t-netware (netware.o): Update.
7064         * config/i386/t-interix (winnt.o): Update.
7065         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
7066         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
7067         msformat-c.o): Update.
7068         * config/bfin/t-bfin-linux (generated_files): Add
7069         linux-sysroot-suffix.h.
7070         * config/arm/t-wince-pe (pe.o): Update.
7071         * config/arm/t-strongarm-pe (pe.o): Update.
7072         * config/arm/t-pe (pe.o): Update.
7073         * config/arm/t-arm (arm-c.o): Update.
7074         * doc/install.texi (Prerequisites): Require make 3.80.
7075         * Makefile.in: Remove .o targets.
7076         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
7077         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
7078         (simple_generated_h, simple_generated_c): Move earlier.
7079         (generated_files): New variable.
7080         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
7081         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
7082         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
7083         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
7084         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
7085         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
7086         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
7087         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
7088         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
7089         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
7090         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
7091         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
7092         (.c.o): Remove.
7093         (COMPILE.base, COMPILE): New variables.
7094         (%.o): New pattern rule.
7095         (ALL_HOST_OBJS): New variable.
7096         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
7097         (dummy-checksum.o, cc1-checksum.o): Remove.
7098         (DRIVER_SHLIB): New variable.
7099         (DRIVER_DEFINES): Use it.
7100         (gencondmd.c): Move out of build/.
7101         (s-conditions): Update.
7102         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
7103         (ALL_BUILD_OBJS): Likewise.
7104         (build/%.o): Use BUILDCOMPILE.
7105         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
7106         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
7107         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
7108         build/gencheck.o, build/gencodes.o, build/genconditions.o,
7109         build/genconfig.o, build/genconstants.o, build/genemit.o,
7110         build/genextract.o, build/genflags.o, build/genmddeps.o,
7111         build/genopinit.o, build/genoutput.o, build/genpeep.o,
7112         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
7113         build/gen-protos.o, build/scan.o, build/fix-header.o,
7114         build/scan-decls.o): Simplify.
7115         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
7116         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
7117         prefix.o, toplev.o): Reduce to variable setting.
7118         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
7119         ($(out_object_file), gcc-options.o): New targets.
7120         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
7121         * configure: Rebuilt.
7122         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
7123         * doc/sourcebuild.texi (Front End Directory): Document new variable.
7124
7125 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
7126
7127         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
7128         complain when we hit an error, return ERROR_MARK_NODE.
7129
7130 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7131
7132         * config/sh/constraints.md (Pso, Psz): New constraints.
7133         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
7134         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
7135
7136 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7137
7138         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
7139         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
7140
7141 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7142
7143         * config/sh/sh.md (prefetch): Add condition for SH2A target.
7144         (prefetch_sh2a): New.   
7145
7146 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
7147             Naveen.H.S  <naveen.hs@kpitcummins.com>
7148
7149         * config/sh/constraints.md (I28): New constraint.
7150         * config/sh/sh.c (broken_move): Add support for movi20s.
7151         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
7152
7153 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
7154             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
7155             Naveen.H.S  <naveen.hs@kpitcummins.com>
7156
7157         * config/sh/sh.c (SH_ATTRIBUTES): Define.
7158         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
7159         (print_operand): Handle resbank in %@ operand code.
7160         (sh_encode_section_info): New.
7161         (push_regs): Add conditions for resbank.
7162         (sh_expand_epilogue): Likewise.
7163         (sh_insert_attributes): Likewise.
7164         (sh_attribute_table): Likewise.
7165         (sh_handle_resbank_handler_attribute): New.
7166         (sh2a_handle_function_vector_handler_attribute): New.
7167         (sh2a_is_function_vector_call): New.
7168         (sh2a_get_function_vector_number): New.
7169         (sh2a_function_vector_p): New.
7170         (sh_cfun_resbank_handler_p): New.
7171         * config/sh/sh.md (calli): Emit jsr/n if possible.
7172         (calli_tbr_rel): New.
7173         (calli_pcrel): Emit jsr/n if possible.
7174         (return_i): Emit rts/n if possible.
7175         (call_valuei_tbr_rel): New.
7176         (call_valuei_pcrel): Add condition for SH2A target.
7177         (call_value): Likewise.
7178         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
7179         (sh2a_get_function_vector_number): Likewise.
7180         (sh2a_is_function_vector_call): Likewise.
7181         * doc/extend.texi: Document TBR relative addressing of SH2A.
7182         (resbank): Add description for SH2A.
7183
7184 2008-03-24  Richard Guenther  <rguenther@suse.de>
7185
7186         PR c/22371
7187         * gimplify.c (gimplify_modify_expr): For frontend type-correct
7188         pointer assignments change conversions according to middle-end rules.
7189         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
7190         * configure.ac: Include type checking in yes.
7191         * configure: Regenerate.
7192
7193 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7194
7195         * diagnostic.c (diagnostic_count_diagnostic): Delete.
7196         (diagnostic_report_diagnostic): Update. Handle ICEs here.
7197         
7198 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
7199
7200         * gthr-vxworks.h (UNUSED): Define.
7201
7202 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
7203
7204         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
7205
7206 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
7207
7208         * doc/extend.texi (Function Attributes): Add missing comma in the
7209         example of the "alloc_size" attribute.
7210         
7211 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
7212
7213         Revert:
7214         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
7215
7216         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7217         32bit host.
7218
7219         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
7220
7221         PR target/35496
7222         * stor-layout.c (update_alignment_for_field): Set minimum alignment
7223         of the underlying type of a MS bitfield layout to the natural
7224         alignment of the type.
7225
7226         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
7227
7228         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
7229         to their natural alignment to avoid store forwarding stalls.
7230
7231 2008-03-22  Richard Guenther  <rguenther@suse.de>
7232
7233         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
7234         For PHI nodes verify the address is invariant.
7235         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
7236         (get_symbol_constant_value): Use is_gimple_min_invariant.
7237         (maybe_fold_stmt_indirect): Likewise.
7238
7239 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
7240
7241         PR rtl-optimization/33927
7242         * Makefile.in (dse.o): Depend on $(TM_P_H).
7243         * expr.h (extract_low_bits): Declare.
7244         * expmed.c (extract_low_bits): New function.
7245         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
7246         * dse.c: Include tm_p.h.
7247         (find_shift_sequence): Remove the read_reg argument and return the
7248         read value.  Emit the instructions instead of returning them.
7249         Iterate on new_mode rather than calculating it each time.
7250         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
7251         source to NEW_MODE and extract_low_bits to convert the shifted
7252         value to READ_MODE.
7253         (replace_read): Allow the load and store to have different mode
7254         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
7255         or extraction instructions before trying the replacement.  Update
7256         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
7257
7258 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
7259
7260         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
7261         to their natural alignment to avoid store forwarding stalls.
7262
7263 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7264
7265         PR target/27946
7266         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
7267         encouraging but not allowing gprs for input;
7268         change the input constraint to !f#r.
7269         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
7270         gprs for output;
7271         change the output constraint to !f#r.
7272
7273 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
7274
7275         PR target/13958
7276         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
7277         corresponding post-reload splitters.
7278         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
7279         when x87 FP math is selected.
7280         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
7281         New function prototype.
7282         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
7283         unreachable function to ease macroization of insn patterns.
7284
7285 2008-03-21  Martin Jambor  <mjambor@suse.cz>
7286
7287         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
7288         reference dumps if ddr is NULL or dependence is unknown.
7289
7290 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7291
7292         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
7293         unsigned extension into account.
7294         (ATOMIC_COMPARE_AND_SWAP): Likewise.
7295         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
7296         Do computations on a scratch register.
7297
7298 2008-03-21  Richard Guenther  <rguenther@suse.de>
7299
7300         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7301         Use is_gimple_min_invariant instead of TREE_INVARIANT.
7302         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
7303         * tree-ssa-dom.c (record_equality): Likewise.
7304         * tree-inline.c (copy_body_r): Likewise.
7305         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
7306         TREE_INVARIANT.
7307
7308 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7309
7310         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
7311         as 'delete_unused' argument.
7312
7313 2008-03-20  Richard Guenther  <rguenther@suse.de>
7314
7315         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
7316         special casing of constant qualifiers.
7317         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
7318         care about them in general.
7319         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
7320         regardless of their type.
7321         (fold_stmt_r): Forcefully fold *& if we end up with that.
7322
7323 2008-03-20  Paul Brook  <paul@codesourcery.com>
7324
7325         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
7326         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
7327         linker flags.
7328         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
7329         definition.
7330         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
7331         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
7332
7333 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
7334
7335         * common.opt (Wmudflap): New option.
7336         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
7337         (mx_register_decls): Likewise.
7338         (mudflap_finish_file): Likewise.
7339         * doc/invoke.texi: Document -Wno-mudflap.
7340
7341 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
7342
7343         * c-format.c (replace_format_name_to_system_name): New.
7344         (cmp_attribs): New.
7345         (convert_format_name_to_system_name): New.
7346         (decode_format_attr): Add use of convert_format_name_to_system_name.
7347         (format_types_orig): Add gnu_ prefix to names.
7348         (check_format_info_main): Special treating of \0 escaped names for
7349         supporting multi-character format specifiers as I32, I64.
7350         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
7351         (gnu_target_overrides_format_attributes): New.
7352         * c-format.h: Add structure target_ovr_attr to hold
7353         system specific formatter names.
7354         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
7355         msformat-c.o file to c_target_objs and cxx_target_objs.
7356         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
7357         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
7358         (TARGET_N_FORMAT_TYPES): New.
7359         * config/i386/msformat-c.c: New.
7360         * config/i386/t-cygming: Add build rule for msformat-c.o.
7361         * doc/extend.texi: Add new format names gnu_* and ms_* and
7362         further details.
7363         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
7364
7365 2008-03-20  Ira Rosen  <irar@il.ibm.com>
7366
7367         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
7368         optimizations turned on under -O3.
7369         (ftree-vectorize): Add that the flag is turned on with -O3.
7370
7371 2008-03-20  Ben Elliston  <bje@au.ibm.com>
7372
7373         * regmove.c (try_auto_increment): Fix spelling error in comment.
7374         * final.c (final_scan_insn): Likewise.
7375
7376 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
7377
7378         PR target/14552
7379         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
7380         allocator preferences for "y" and "r" class registers.
7381         ("*mov<mode>_internal"): Ditto.
7382         ("*movv2sf_internal_rex64"): Ditto.
7383         ("*movv2sf_internal"): Ditto.
7384
7385 2008-03-19  Michael Matz  <matz@suse.de>
7386
7387         PR middle-end/35616
7388         * calls.c (expand_call): Check overlap of arguments with call
7389         address for sibcalls.
7390
7391 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
7392
7393         PR target/35496
7394         * stor-layout.c (update_alignment_for_field): Set minimum alignment
7395         of the underlying type of a MS bitfield layout to the natural
7396         alignment of the type.
7397
7398 2008-03-19  Jan Hubicka  <jh@suse.cz>
7399
7400         PR other/35094
7401         * toplev.c (decode_d_option): Handle all CPP flags.
7402         * tree-vrp.c: Update tree_pass descriptors.
7403         * regrename.c: Update tree_pass descriptors.
7404         * fwprop.c: Update tree_pass descriptors.
7405         * doc/invoke.texi: Remove documentation of dropped -d? flags.
7406         * tree-into-ssa.c: Update tree_pass descriptors.
7407         * tree-dump.c: Update tree_pass descriptors.
7408         * tree-complex.c: Update tree_pass descriptors.
7409         * tree-dump.h: Update tree_pass descriptors.
7410         * see.c: Update tree_pass descriptors.
7411         * cgraphbuild.c: Update tree_pass descriptors.
7412         * tracer.c: Update tree_pass descriptors.
7413         * tree-loop-distribution.c: Update tree_pass descriptors.
7414         * cgraph.c: Update tree_pass descriptors.
7415         * postreload-gcse.c: Update tree_pass descriptors.
7416         * postreload.c: Update tree_pass descriptors.
7417         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
7418         * tree-tailcall.c: Update tree_pass descriptors.
7419         * tree-pass.h (tree_opt_pass): Rename to ...
7420         (opt_pass) ... this one; add "type" field and remove letter field.
7421         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
7422         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
7423         all_lowering_passes): Update declaration.
7424         * ipa-cp.c: Update tree_pass descriptors.
7425         * final.c: Update tree_pass descriptors.
7426         * omp-low.c: Update tree_pass descriptors.
7427         * tree-ssa-dse.c: Update tree_pass descriptors.
7428         * ipa-reference.c: Update tree_pass descriptors.
7429         * tree-ssa-uncprop.c: Update tree_pass descriptors.
7430         * auto-inc-dec.c: Update tree_pass descriptors.
7431         * reorg.c: Update tree_pass descriptors.
7432         * cgraphunit.c: Update tree_pass descriptors.
7433         * tree-ssa-copyrename.c: Update tree_pass descriptors.
7434         * tree-ssa-ccp.c: Update tree_pass descriptors.
7435         * df-core.c: Update tree_pass descriptors.
7436         * mode-switching.c: Update tree_pass descriptors.
7437         * tree-nomudflap.c: Update tree_pass descriptors.
7438         * modulo-sched.c: Update tree_pass descriptors.
7439         * ipa-pure-const.c: Update tree_pass descriptors.
7440         * cse.c: Update tree_pass descriptors.
7441         * web.c: Update tree_pass descriptors.
7442         * tree-stdarg.c: Update tree_pass descriptors.
7443         * tree-ssa-math-opts.c: Update tree_pass descriptors.
7444         * tree-ssa-dom.c: Update tree_pass descriptors.
7445         * tree-nrv.c: Update tree_pass descriptors.
7446         * tree-ssa-alias.c: Update tree_pass descriptors.
7447         * loop-init.c: Update tree_pass descriptors.
7448         * gimple-low.c: Update tree_pass descriptors.
7449         * ipa-inline.c: Update tree_pass descriptors.
7450         * tree-ssa-sink.c: Update tree_pass descriptors.
7451         * global.c: Update tree_pass descriptors.
7452         * ifcvt.c: Update tree_pass descriptors.
7453         * jump.c: Update tree_pass descriptors.
7454         * predict.c: Update tree_pass descriptors.
7455         * tree-ssa-loop.c: Update tree_pass descriptors.
7456         * recog.c: Update tree_pass descriptors.
7457         * dse.c: Update tree_pass descriptors.
7458         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
7459         * tree-eh.c: Update tree_pass descriptors.
7460         * regmove.c: Update tree_pass descriptors.
7461         * local-alloc.c
7462         * function.c: Update tree_pass descriptors.
7463         * tree-vectorizer.c: Update tree_pass descriptors.
7464         * gcse.c: Update tree_pass descriptors.
7465         * ipa-type-escape.c: Update tree_pass descriptors.
7466         * tree-if-conv.c: Update tree_pass descriptors.
7467         * init-regs.c: Update tree_pass descriptors.
7468         * ipa.c: Update tree_pass descriptors.
7469         * tree-ssa-phiopt.c: Update tree_pass descriptors.
7470         * rtl-factoring.c: Update tree_pass descriptors.
7471         * lower-subreg.c: Update tree_pass descriptors.
7472         * bt-load.c: Update tree_pass descriptors.
7473         * tree-dfa.c: Update tree_pass descriptors.
7474         * except.c: Update tree_pass descriptors.
7475         * emit-rtl.c: Update tree_pass descriptors.
7476         * cfgexpand.c: Update tree_pass descriptors.
7477         * tree-cfgcleanup.c: Update tree_pass descriptors.
7478         * cfgcleanup.c: Update tree_pass descriptors.
7479         * tree-ssa-pre.c: Update tree_pass descriptors.
7480         * tree-sra.c: Update tree_pass descriptors.
7481         * tree-mudflap.c: Update tree_pass descriptors.
7482         * tree-ssa-copy.c: Update tree_pass descriptors.
7483         * cfglayout.c: Update tree_pass descriptors.
7484         * tree-ssa-forwprop.c: Update tree_pass descriptors.
7485         * tree-ssa-dce.c: Update tree_pass descriptors.
7486         * tree-ssa.c: Update tree_pass descriptors.
7487         * regclass.c: Update tree_pass descriptors.
7488         * integrate.c: Update tree_pass descriptors.
7489         * tree-optimize.c: Update tree_pass descriptors.
7490         * tree-ssa-phiprop.c: Update tree_pass descriptors.
7491         * tree-object-size.c: Update tree_pass descriptors.
7492         * combine.c: Update tree_pass descriptors.
7493         * tree-outof-ssa.c: Update tree_pass descriptors.
7494         * bb-reorder.c: Update tree_pass descriptors.
7495         * stack-ptr-mod.c: Update tree_pass descriptors.
7496         * var-tracking.c: Update tree_pass descriptors.
7497         * tree-profile.c: Update tree_pass descriptors.
7498         * tree-vect-generic.c: Update tree_pass descriptors.
7499         * reg-stack.c: Update tree_pass descriptors.
7500         * sched-rgn.c: Update tree_pass descriptors.
7501         * tree-ssa-structalias.c: Update tree_pass descriptors.
7502         * tree-cfg.c: Update tree_pass descriptors.
7503         * passes.c (current_pass): Update declaration.
7504         (finish_optimization_passes): Update.
7505         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
7506         (register_one_dump_file, register_dump_files_1, next_pass_1):
7507         Update arguments.
7508         (init_optimization_passes): Update handling of new types.
7509         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
7510         * ipa-struct-reorg.c: Update tree_pass descriptors.
7511         * tree-ssa-reassoc.c: Update tree_pass descriptors.
7512         * combine-stack-adj.c: Update tree_pass descriptors.
7513         * cfgrtl.c: Update tree_pass descriptors.
7514         * dce.c: Update tree_pass descriptors.
7515         * tree-ssanames.c: Update tree_pass descriptors.
7516
7517 2008-03-19  Richard Guenther  <rguenther@suse.de>
7518
7519         PR middle-end/35609
7520         * tree-ssa.c (walk_data): New structure.
7521         (warn_uninitialized_var): If not always_executed warn with "maybe"
7522         instead of "is".
7523         (execute_early_warn_uninitialized): Compute post-dominators.
7524         Initialize always_executed before processing each basic block.
7525
7526 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
7527
7528         PR target/35504
7529         * config/i386/i386.c (x86_this_parameter): Calculate correct location
7530         of "this" pointer when "regparm = N" or "fastcall" is in effect.
7531
7532 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7533
7534         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
7535
7536 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
7537
7538         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
7539         is true.
7540         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
7541         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
7542         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
7543         target after ignore has been set, and move there also the commputation
7544         of subtarget and original_target.
7545         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
7546         (LANG_HOOKS_INITIALIZER): Remove it.
7547         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
7548
7549 2008-03-18  Richard Guenther  <rguenther@suse.de>
7550
7551         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
7552         found an expression with constants, note that in the VN for the lhs.
7553         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
7554         fold them to constants if possible.  Run cleanup_cfg if done so.
7555         (execute_pre): Return todo.
7556         (do_pre): Likewise.
7557         (execute_fre): Likewise.
7558         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
7559         of constants.
7560         (get_prop_source_stmt): Look through pointer conversions.
7561
7562 2008-03-18  Jan Hubicka  <jh@suse.cz>
7563
7564         * tree-pretty-print.c: Include predict.h.
7565         (dump_generic_node): Dump predictor.
7566         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
7567         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
7568         * gimple-low.c (lower_stmt): Likewise.
7569         * expr.c (expand_expr_real): Likewise.
7570         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
7571         them.
7572         (build_predict_expr, build_predict_expr): New.
7573         * predict.h (predictor_name, build_predict_expr): Update.
7574         * c-typeck.c (c_finish_bc_stmt): Add prediction.
7575         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
7576         * predict.def (PRED_CONTINUE): Update hitrate.
7577         * tree.def (PREDICT_EXPR): Define.
7578         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
7579         do not handle BIND_EXPR.
7580         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
7581         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
7582         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
7583         operands.
7584
7585 2008-03-18  Michael Matz  <matz@suse.de>
7586
7587         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
7588
7589 2008-03-18  Richard Guenther  <rguenther@suse.de>
7590
7591         * tree-gimple.h (is_gimple_invariant_address): Declare.
7592         (is_gimple_constant): Likewise.
7593         * tree-gimple.c (is_gimple_constant): New function.
7594         (is_gimple_invariant_address): Likewise.
7595         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
7596         and is_gimple_invariant_address.
7597         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
7598         previous change.
7599         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
7600         an addressable base.
7601
7602 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
7603
7604         PR middle-end/35611
7605         * gimplify.c (gimplify_expr): Gimplify second operand of
7606         OMP_ATOMIC_LOAD.
7607
7608 2008-03-17  Richard Guenther  <rguenther@suse.de>
7609
7610         PR tree-optimization/19637
7611         * fold-const.c (fold_unary): Remove restrictions of removing
7612         intermediate pointer-conversions (P2)(P1)P0.
7613         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
7614         conversion to void pointer.
7615         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
7616
7617 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
7618
7619         PR debug/31510
7620         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
7621         emulated thread local variables.
7622
7623 2008-03-16  Richard Guenther  <rguenther@suse.de>
7624
7625         PR middle-end/35607
7626         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
7627         expand TREE_INVARIANT operations that are not gimple invariant.
7628
7629 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
7630
7631         * doc/extend.texi (Alignment): Say that the ABI controls
7632         the __alignof__ for non-strict-alignment targets rather
7633         than being a recommendation.
7634
7635 2008-03-15  Paul Brook  <paul@codesourcery.com>
7636
7637         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
7638         annotations.
7639         (arm_output_fn_unwind): Mark functions that can not be unwound.
7640
7641 2008-03-15  Paul Brook  <paul@codesourcery.com>
7642
7643         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
7644         extension instructions.
7645
7646 2008-03-15  Richard Guenther  <rguenther@suse.de>
7647
7648         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
7649         and fold constant aggregate refs.
7650         (fold_const_aggregate_ref): Handle string constants
7651         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
7652         (evaluate_stmt): Simplify now that ccp_fold folds constant
7653         aggregate refs.
7654
7655 2008-03-15  Paul Brook  <paul@codesourcery.com>
7656
7657         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
7658         (extzv): Use gen_extzv_t2.
7659         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
7660
7661 2008-03-15  Richard Guenther  <rguenther@suse.de>
7662
7663         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
7664         (fold_const_aggregate_ref): Likewise.
7665         (get_value): Return NULL if we don't have any values.
7666         (ccp_finalize): Set const_val to NULL after freeing it.
7667         * tree-flow.h (get_symbol_constant_value): Declare.
7668         (fold_const_aggregate_ref): Likewise.
7669         * tree-ssa-sccvn.c (try_to_simplify): Use them.
7670
7671 2008-03-15  Richard Guenther  <rguenther@suse.de>
7672
7673         PR middle-end/35593
7674         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
7675         to not produce negative array indices if not allowed.  Add
7676         parameter to indicate that.
7677         (maybe_fold_offset_to_component_ref): Allow negative array
7678         indices only for the first member of a structure.
7679         (maybe_fold_offset_to_reference): Allow negative array indices.
7680         (maybe_fold_stmt_addition): Likewise.
7681
7682 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
7683             Anatoly Sokolov <aesok@post.ru>
7684
7685         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
7686         (avr_arch): Add ARCH_AVR6.
7687         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
7688         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
7689         instead of fixed value 2.
7690         (print_operand_address): Use gs() asm specifier instead of pm().
7691         (avr_assemble_integer): (Ditto.).
7692         (avr_output_addr_vec_elt): (Ditto.).
7693         (print_operand): Handle "!" code.
7694         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
7695         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
7696         (AVR_HAVE_EIJMP_EICALL): Define.
7697         (AVR_3_BYTE_PC): Redefine.
7698         (AVR_2_BYTE_PC): (Ditto.).
7699         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
7700         (LINK_SPEC): Add atmega2560 and atmega2561.
7701         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
7702         (crtm2561.o).
7703         * config/avr/avr.md (call_insn): Use eicall instead of icall 
7704         for 3 byte PC devices.
7705         (call_value_insn): (Ditto.).
7706         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
7707         (indirect_jump): Use only for for 2 byte PC devices.
7708         (*tablejump): (Ditto.).
7709         (*indirect_jump_avr6): Add insn.
7710         (*tablejump_rjmp): Don't use for 3 byte PC devices.
7711         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
7712         instead of ijmp for 3 byte PC devices.
7713         (__tablejump2__): (Ditto.).
7714         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
7715         (MULITLIB_DIRNAMES): (Ditto.). 
7716         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
7717
7718 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
7719
7720         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
7721         "sse2_umulsidi3".  Use V1DI mode for operand 0.
7722         ("mmx_psadbw"): Use V1DI mode for operand 0.
7723         * config/i386/i386-modes.def (V1SI): New vector mode.
7724         * config/i386/i386.c (struct builtin_description)
7725         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
7726         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
7727         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
7728         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
7729         v1di_ftype_v8qi_v8qi type.
7730         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
7731
7732         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
7733         __builtin_ia32_pmuludq]: Fix the mode of return value.
7734
7735 2008-03-15  Richard Guenther  <rguenther@suse.de>
7736
7737         PR middle-end/35595
7738         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
7739         being a PHI_NODE.
7740
7741 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
7742         
7743         * doc/invoke.texi (Option Summary, Xtensa Options): Document
7744         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
7745         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
7746         unless TARGET_SERIALIZE_VOLATILE is enabled.
7747         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
7748         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
7749         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
7750
7751 2008-03-14  Richard Guenther  <rguenther@suse.de>
7752
7753         PR tree-optimization/34172
7754         * tree-flow.h (refs_may_alias_p): Declare.
7755         (get_single_def_stmt): Likewise.
7756         (get_single_def_stmt_from_phi): Likewise.
7757         (get_single_def_stmt_with_phi): Likewise.
7758         * tree-dfa.c (refs_may_alias_p): New function.
7759         (get_single_def_stmt): Likewise.
7760         (get_single_def_stmt_from_phi): Likewise.
7761         (get_single_def_stmt_with_phi): Likewise.
7762         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
7763         (vn_reference_lookup_1): New helper function.
7764         (vn_reference_lookup): Walk the virtual use-def chain to
7765         continue searching for a match if the def does not alias the
7766         reference we are looking for.
7767
7768 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
7769
7770         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
7771         archive and Perzl.  Update The Written Word listing.
7772
7773 2008-03-14  Richard Guenther  <rguenther@suse.de>
7774
7775         PR tree-optimization/34043
7776         PR tree-optimization/33989
7777         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
7778         when doing FRE.
7779         (bitmap_find_leader): Use extra argument to verify dominance
7780         relationship inside a basic-block.
7781         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
7782         (find_leader_in_sets): Adjust.
7783         (create_component_ref_by_pieces): Take extra argument for
7784         dominance check, handle lookup failures.
7785         (find_or_generate_expression): Likewise.
7786         (create_expression_by_pieces): Likewise.
7787         (insert_into_preds_of_block): Adjust.
7788         (create_value_expr_from): If asked for, verify all operands
7789         are in the blocks AVAIL_OUT set.
7790         (make_values_for_stmt): Check for SSA_NAMEs that are life
7791         over an abnormal edge.
7792         (compute_avail): Remove such check.
7793         (do_SCCVN_insertion): New function.
7794         (eliminate): If we do not find a leader suitable for replacement
7795         insert a replacement expression from SCCVN if available.
7796         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
7797         (struct vn_ssa_aux): Add needs_insertion flag.
7798         * tree-ssa-sccvn.c (may_insert): New global flag.
7799         (copy_reference_ops_from_ref): Value-number union member access
7800         based on its size, not type and member if insertion is allowed.
7801         (visit_reference_op_load): For a weak match from union type
7802         punning lookup a view-converted value and insert a SSA_NAME
7803         for that value if that is not found.
7804         (visit_use): Make dumps shorter.  Do not disallow value numbering
7805         SSA_NAMEs that are life over an abnormal edge to constants.
7806         (free_scc_vn): Release inserted SSA_NAMEs.
7807         (run_scc_vn): New flag to specify whether insertion is allowed.
7808         Process SSA_NAMEs in forward order.
7809         * tree-ssa-loop-im.c (for_each_index): Handle invariant
7810         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
7811         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
7812         pointer type to/from integral types that do not change the
7813         precision to regular conversions.
7814
7815 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
7816
7817         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
7818         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
7819         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
7820         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
7821         input arguments and the mode of return value.  Built-in functions
7822         that operate on whole 64-bit MMX register now use V1DI mode.
7823
7824 2008-03-13  Alon Dayan  <alond@il.ibm.com>
7825             Olga Golovanevsky  <olga@il.ibm.com>
7826
7827         PR tree-optimization/35041
7828         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
7829         to locate the right position in a statement.
7830
7831 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
7832
7833         PR target/34000
7834         PR target/35553
7835         * config/i386/xmmintrin.h:  Change all static inline functions to
7836         extern inline and add __gnu_inline__ attribute.
7837         * config/i386/bmintrin.h: Ditto.
7838         * config/i386/smmintrin.h: Ditto.
7839         * config/i386/tmmintrin.h: Ditto.
7840         * config/i386/mmintrin-common.h: Ditto.
7841         * config/i386/ammintrin.h: Ditto.
7842         * config/i386/emmintrin.h: Ditto.
7843         * config/i386/pmmintrin.h: Ditto.
7844         * config/i386/mmintrin.h: Ditto.
7845         * config/i386/mm3dnow.h: Ditto.
7846
7847 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
7848
7849         PR middle-end/35185
7850         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
7851         (lower_omp_2): New function.
7852         (lower_omp_1, lower_omp): Rewritten.
7853
7854 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
7855
7856         PR 35054
7857         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
7858         with the phrase "Microsoft Windows compilers".
7859         (Push/Pop Macro Pragmas): New subsection. Document
7860         #pragma push_macro and pragma pop_macro.
7861
7862 2008-03-12  Paul Brook  <paul@codesourcery.com>
7863
7864         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
7865
7866 2008-03-12  Paul Brook  <paul@codesourcery.com>
7867
7868         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
7869         (thumb2_alusi3_short): Exclude PLUS and MINUS.
7870         (thumb2_addsi_shortim): Rename ...
7871         (thumb2_addsi_short): ... to this.  Allow register operands.
7872         (thumb2_subsi_short): New pattern.
7873         (thumb2_one_cmplsi2_short,
7874         thumb2_negsi2_short): New patterns and peepholes.
7875
7876 2008-03-12  Paul Brook  <paul@codesourcery.com>
7877
7878         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
7879
7880 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
7881
7882         * config/i386/i386.md (int_cond): New code iterator.
7883         (fp_cond): Ditto.
7884         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
7885         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
7886         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
7887         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
7888         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
7889         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
7890         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
7891         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
7892
7893 2008-03-12  Paul Brook  <paul@codesourcery.com>
7894
7895         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
7896         instead of {arm,thumb}_compute_save_reg_mask.
7897         (output_return_instruction): Ditto.
7898         (thumb_unexpanded_epilogue): Ditto.
7899         (thumb1_expand_prologue): Ditto.
7900         (thumb1_output_function_prologue): Ditto.
7901         (arm_set_return_address): Ditto.
7902         (thumb_set_return_address): Ditto.
7903         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
7904         regs to achieve stack alignment.
7905         (thumb1_compute_save_reg_mask): Fix compiler warning.
7906         (arm_output_epilogue): Use offsets->saved_regs_mask.
7907         Adjust stack pointer by poping call clobered registers.
7908         (arm_expand_prologue): Use offsets->saved_regs_mask.
7909         Adjust stack pointer by pushing extra registers.
7910         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
7911
7912 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
7913
7914         PR tree-opt/35422
7915         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
7916         conversion to the operands of a multiplication.
7917
7918 2008-03-12  Richard Guenther  <rguenther@suse.de>
7919
7920         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
7921         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
7922         * timevar.def (TV_TREE_PHIPROP): Add.
7923         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
7924         pass description.  Use TV_TREE_PHIPROP.
7925         * tree-ssa-forwprop.c: Remove phiprop code.
7926
7927 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
7928
7929         PR middle-end/35549
7930         * omp-low.c (maybe_lookup_decl): Constify first argument.
7931         (use_pointer_for_field): Change last argument from bool to
7932         omp_context *.  Disallow shared copy-in/out in nested
7933         parallel if decl is shared in outer parallel too.
7934         (build_outer_var_ref, scan_sharing_clauses,
7935         lower_rec_input_clauses, lower_copyprivate_clauses,
7936         lower_send_clauses, lower_send_shared_vars): Adjust callers.
7937
7938 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
7939             Ira Rosen  <irar@il.ibm.com>
7940
7941         * tree-vectorizer.c (free_stmt_vec_info): New function.
7942         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
7943         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
7944         * tree-vectorizer.h (free_stmt_vec_info): Declare.
7945         * tree-vect-transform.c (vectorizable_conversion): Free
7946         vec_oprnds0 if it was allocated.
7947         (vect_permute_store_chain): Remove unused VECs.
7948         (vectorizable_store): Free VECs that are allocated in the..
7949         function.
7950         (vect_transform_strided_load, vectorizable_load): Likewise.
7951         (vect_remove_stores): Simplify the code.
7952         (vect_transform_loop): Move code to vect_remove_stores().
7953         Call vect_remove_stores() and free_stmt_vec_info().
7954
7955 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7956
7957         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
7958         TARGET_HPUX.  Revise comment.
7959         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
7960         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
7961         Use sr4 variant of `be' instruction when not generating PIC code.
7962         (attr_length_call): Adjust for above change.
7963
7964 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7965
7966         * ipa-reference.c (static_execute): Remove module_statics_const and
7967         associated setting code.
7968
7969 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
7970
7971         PR target/35540
7972         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
7973         predicate for operand 1.
7974         (paritysi2_cmp): Use register_operand predicate for operand 2.
7975         Use earlyclobber modifier for operand 1.  Remove support for
7976         memory operands.
7977         (paritydi2_cmp): Use register_operand predicate for operand 3.
7978         Use earlyclobber modifier for operand 1.  Remove support for
7979         memory operands.
7980
7981 2008-03-11  Paul Brook  <paul@codesourcery.com>
7982             Vladimir Prus  <vladimir@codesourcery.com>
7983
7984         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
7985         (arm_compute_save_reg0_reg12_mask): Always
7986         check if register 11 must be saved.  Always safe hard frame pointer
7987         when frame_pointer_needeed.
7988         (arm_compute_save_reg_mask): Save IP and PC
7989         only with apcs frames.
7990         (arm_output_epilogue): Adjust Thumb2 codepath to
7991         be also invoked and work for ARM non-apcs frames.
7992         (arm_expand_prologue): Don't bother saving IP
7993         for non-apcs frame, since it's not clobbered by
7994         prologue code.  Implement non-apcs frame
7995         layout.
7996
7997 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
7998
7999         PR rtl-optimization/35281
8000         * expr.c (convert_move): Use a new pseudo for the intermediate
8001         from_mode->word_mode result.
8002
8003 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
8004
8005         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
8006         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
8007         * toplev.c (compile_file): Don't call it.
8008
8009 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
8010
8011         PR middle-end/35526
8012         * expr.c (store_expr): Call emit_block_move if the mode
8013         of "temp" RTX is BLKmode.
8014
8015 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8016             Richard Guenther  <rguenther@suse.de>
8017
8018         PR tree-optimization/31358
8019         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
8020         the step with a NULL_TREE.
8021         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
8022         to sizetype if type is a pointer type.
8023         (add_candidate_1): Don't convert the base and step to
8024         the generic type if the orginal type is a pointer type.
8025         (add_iv_value_candidates): Use sizetype for the step
8026         if type is a pointer type.
8027         (cand_value_at): Likewise.
8028         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
8029         for pointer types.
8030         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
8031         Don't convert the tem affine to the type.
8032         (add_elt_to_tree): Use sizetype for the step if a pointer.
8033         Use POINTER_PLUS_EXPR for pointers.
8034         (aff_combination_to_tree): Use sizetype for the step if a
8035         pointer.
8036
8037 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
8038
8039         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
8040         Remove commutativity hint.
8041
8042 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
8043
8044         PR c/35438
8045         PR c/35439
8046         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
8047         errorneous type.  Check that v is a VAR_DECL.
8048
8049         PR middle-end/35099
8050         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
8051
8052 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
8053
8054         PR tree-optimization/35494
8055         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
8056         may be overriden at link and run time.
8057
8058 2008-03-10  Richard Guenther  <rguenther@suse.de>
8059
8060         PR tree-optimization/34677
8061         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
8062         (poolify_tree): Likewise.
8063         (modify_expr_template): Likewise.
8064         (poolify_modify_stmt): Likewise.
8065         (insert_fake_stores): Handle all component-ref style stores
8066         in addition to INDIRECT_REF.  Also handle complex types.
8067         Do not poolify the inserted load.
8068         (realify_fake_stores): Do not rebuild the tree but only
8069         make it a SSA_NAME copy.
8070         (init_pre): Remove initialzation of modify_expr_template.
8071         Do not allocate modify_expr_node_pool.
8072         (fini_pre): Do not free modify_expr_node_pool.
8073
8074 2008-03-10  Paul Brook  <paul@codesourcery.com>
8075
8076         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
8077         to avoid conflicts.
8078
8079 2008-03-10  Paul Brook  <paul@codesourcery.com>
8080             Mark Shinwell  <shinwell@codesourcery.com>
8081
8082         * config/arm/cortex-r4.md: New.
8083         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
8084         insn attributes.
8085         * config/arm/arm.md: Include cortex-r4.md.
8086         (insn): Add smmls, sdiv and udiv values.
8087         (generic_sched): Don't use generic scheduling for Cortex-R4.
8088         (arm_issue_rate): New function.
8089         (TARGET_SCHED_ISSUE_RATE): Define.
8090
8091 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
8092
8093         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
8094
8095 2008-03-10  Richard Guenther  <rguenther@suse.de>
8096
8097         * tree-ssa-pre.c (get_sccvn_value): Simplify.
8098         (compute_avail): Do not add stmt uses to AVAIL_OUT.
8099
8100 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
8101
8102         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
8103         Set default to true.
8104
8105 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8106
8107         * c.opt (Wsynth): Deprecate.
8108         * doc/invoke.texi (Option Summary, Warning Options): Document
8109         -Wno-format-contains-nul.
8110
8111 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
8112
8113         PR target/35496
8114         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
8115         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
8116
8117 2008-03-09  Ira Rosen  <irar@il.ibm.com>
8118
8119         * config/rs6000/rs6000.c (builtin_description): Rename vector
8120         left shift operations.
8121         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
8122         (altivec_vsl<VI_char>): Rename to ...
8123         (ashl<mode>3): ... new name.
8124         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
8125         gen_ashlv4si3.
8126         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
8127
8128 2008-03-08  Richard Guenther  <rguenther@suse.de>
8129
8130         * coverage.h (tree_coverage_counter_addr): Declare.
8131         * coverage.c (tree_coverage_counter_addr): New function.
8132         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
8133         before using again.
8134         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
8135         (tree_gen_one_value_profiler): Likewise.
8136         (tree_gen_ic_profiler): Likewise.
8137         (tree_gen_average_profiler): Likewise.
8138         (tree_gen_ior_profiler): Likewise.
8139
8140 2008-03-08  Richard Guenther  <rguenther@suse.de>
8141
8142         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
8143         (vn_binary_op_insert): Likewise.
8144         (vn_unary_op_lookup): Likewise.
8145         (vn_unary_op_insert): Likewise.
8146         (vn_nary_op_lookup): Declare.
8147         (vn_nary_op_insert): Likewise.
8148         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
8149         and binary hashes, use a single obstack for unary_op_pool
8150         and binary_op_pool.
8151         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
8152         a single struct vn_nary_op_s.  Store tree code length and
8153         a variable number of operands.
8154         (struct vn_reference_op_struct): Remove unused op2.
8155         (vn_reference_op_eq): Do not compare op2.
8156         (vn_reference_op_compute_hash): Do not compute hash of op2.
8157         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
8158         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
8159         with vn_nary_op_compute_hash.
8160         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
8161         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
8162         vn_nary_op_lookup.
8163         (vn_unary_op_insert, vn_binary_op_insert): Replace with
8164         vn_nary_op_insert.
8165         (visit_unary_op): Call nary functions.
8166         (visit_binary_op): Likewise.
8167         (process_scc): Adjust for struct vn_tables_s changes.
8168         (allocate_vn_table): Likewise.
8169         (free_vn_table): Likewise.
8170         * tree-vn.c (vn_add): Call nary functions.
8171         (vn_lookup): Likewise.
8172
8173 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
8174
8175         PR target/35498
8176         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
8177         wdst back after sync_compare_and_swapqhi_internal.
8178
8179 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
8180
8181         PR target/22152
8182         * config/i386/i386-modes.def (V1DI): New vector mode.
8183         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
8184         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
8185         (MMXMODE248): Ditto.
8186         (MMXMODE): Add V1DI mode.
8187         (mmxvecsize): Change DI mode to V1DI mode.
8188         ("mov<mode>): Use MMXMODEI8 mode iterator.
8189         ("*mov<mode>_internal_rex64"): Ditto.
8190         ("*mov<mode>_internal"): Ditto.
8191         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
8192         ("mmx_sub<mode>3"): Ditto.
8193         ("mmx_adddi3"): Remove insn pattern.
8194         ("mmx_subdi3"): Ditto.
8195         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
8196         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
8197         ("mmx_ashl<mode>3"): Ditto.
8198         ("mmx_lshrdi3"): Remove insn pattern.
8199         ("mmx_ashldi3"): Ditto.
8200         * config/i386/i386.c (classify_argument): Handle V1DImode.
8201         (function_arg_advance_32): Ditto.
8202         (function_arg_32): Ditto.
8203         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
8204         mmx_addv1di3 insn pattern.
8205         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
8206         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
8207         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
8208         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
8209         Remove definitions of built-in functions.
8210         (V1DI_type_node): New node.
8211         (v1di_ftype_v1di_int): Ditto.
8212         (v1di_ftype_v1di_v1di): Ditto.
8213         (v2si_ftype_v2si_si): Ditto.
8214         (v4hi_ftype_v4hi_di): Remove node.
8215         (v2si_ftype_v2si_di): Ditto.
8216         (ix86_init_mmx_sse_builtins): Handle V1DImode.
8217         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
8218         Redefine builtins using def_builtin_const with *_ftype_*_int node.
8219         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
8220         Add new builtins using def_builtin_const.
8221         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
8222         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
8223         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
8224         * config/i386/mmintrin.h (__v1di): New typedef.
8225         (_mm_add_si64): Cast arguments to __v1di type.
8226         (_mm_sub_si64): Ditto.
8227         (_mm_sll_pi16): Cast __count to __v4hi type.
8228         (_mm_sll_pi32): Cast __count to __v2si type.
8229         (_mm_sll_si64): Cast arguments to __v1di type.
8230         (_mm_srl_pi16): Cast __count to __v4hi type.
8231         (_mm_srl_pi32): Cast __count to __v2si type.
8232         (_mm_srl_si64): Cast arguments to __v1di type.
8233         (_mm_sra_pi16): Cast __count to __v4hi type.
8234         (_mm_sra_pi32): Cast __count to __v2si type.
8235         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
8236         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
8237         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
8238         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
8239         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
8240         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
8241         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
8242         (_mm_srai_pi32): Use __builtin_ia32_psradi.
8243         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
8244         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
8245         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
8246         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
8247
8248 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
8249
8250         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
8251
8252 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
8253
8254         PR target/35373
8255         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
8256         reg+const addressing for Altivec modes.  Don't generate reg+reg
8257         addressing for TFmode or TDmode quantities.
8258
8259 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
8260
8261         * c-common.c (vector_types_convertible_p): Call langhook
8262         instead of comptypes.
8263
8264 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8265
8266         PR tree-opt/35402
8267         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
8268         integral and scalar float variables which have a
8269         NULL DECL_INITIAL.
8270
8271 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
8272
8273         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
8274         dwarf_register_span hook when emitting unwind information for
8275         register-to-memory saves.
8276         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
8277         (rs6000_frame_related): Remove call to spe_synthesize_frame.
8278
8279 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
8280
8281         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
8282         for the same VAR_DECL.
8283
8284 2008-03-06  Tom Tromey  <tromey@redhat.com>
8285
8286         * treelang: Delete.
8287         * doc/standards.texi (Standards): Don't mention treelang.
8288         * doc/invoke.texi (Overall Options): Don't mention treelang.
8289         * doc/install.texi (Prerequisites): Don't mention bison or
8290         treelang.
8291         (Configuration): Don't mention treelang.
8292         (Building): Likewise.
8293         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
8294
8295 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
8296
8297         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
8298         word-extractions out of a multi-word object.
8299
8300 2008-03-06  Richard Guenther  <rguenther@suse.de>
8301
8302         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
8303         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
8304         result type and precision.
8305         * expr.c (get_inner_reference): Set unsignedp based on the result
8306         type of BIT_FIELD_REF.
8307         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
8308         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
8309         (try_instantiate_multiple_fields): Likewise.  Use the correct type
8310         for BIT_FIELD_REF.
8311         (sra_build_assignment): Likewise.
8312         (sra_build_elt_assignment): Likewise.
8313         (sra_explode_bitfield_assignment): Likewise.
8314         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
8315         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
8316         set BIT_FIELD_REF_UNSIGNED.
8317         (vectorizable_load): Likewise.
8318
8319 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
8320
8321         * cse.c (cse_extended_basic_block): Invalidate artificial defs
8322         at bb start.
8323
8324 2008-03-06  Richard Guenther  <rguenther@suse.de>
8325
8326         * alias.c (struct alias_set_entry): Move has_zero_child field
8327         to pack with alias_set.
8328
8329 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
8330
8331         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8332         32bit host.
8333
8334 2008-03-05  Ian Lance Taylor  <iant@google.com>
8335
8336         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
8337
8338 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
8339
8340         * fwprop.c (update_df): Support width and offset parameters of
8341         df_ref_create.
8342         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
8343         global_conflicts): Change DF_REF_EXTRACT to either
8344         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
8345         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
8346         * df-scan.c (df_ref_record, df_defs_record,
8347         df_ref_create_structure, df_def_record_1, df_uses_record,
8348         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
8349         df_bb_refs_collect, df_entry_block_defs_collect,
8350         df_exit_block_uses_collect): Support new width and offset fields.
8351         (ref_extract_pool): New storage pool.
8352         (df_free_ref): New function.
8353         (df_reg_chain_unlink, df_free_collection_rec,
8354         df_sort_and_compress_refs): Call df_free_ref.
8355         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
8356         of df_ref_extract.
8357         (df_ref_create_structure): Allocate df_ref_extract if offset and
8358         width fields are used.
8359         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
8360         (df_uses_record): Get offset and width from ZERO_EXTRACT 
8361         and SIGN_EXTRACT.
8362         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
8363         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
8364         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
8365         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
8366         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
8367         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
8368         (df_ref_extract): New structure.
8369         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
8370         (df_ref_create): Add width and offset parameters.
8371         
8372 2008-03-05  Richard Guenther  <rguenther@suse.de>
8373
8374         * tree-ssa-structalias.c (get_constraint_for_component_ref):
8375         Use ranges_overlap_p.
8376         (offset_overlaps_with_access): Rename
8377         to ranges_overlap_p and move ...
8378         * tree-flow-inline.h (ranges_overlap_p): ... here.
8379
8380         * tree.h (get_inner_reference, handled_component_p): Update
8381         comments.
8382
8383         * tree.h (record_component_aliases, get_alias_set,
8384         alias_sets_conflict_p, alias_sets_must_conflict_p,
8385         objects_must_conflict_p): Move declarations ...
8386         * alias.h (record_component_aliases, get_alias_set,
8387         alias_sets_conflict_p, alias_sets_must_conflict_p,
8388         objects_must_conflict_p): ... here.
8389         Include coretypes.h.
8390         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
8391
8392 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
8393
8394         * cfg.c: Include tree-flow.h.
8395         (remove_edge_raw): Call redirect_edge_var_map_clear.
8396         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
8397         * tree-flow-inline.h (redirect_edge_var_map_def): New.
8398         (redirect_edge_var_map_result): New.
8399         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
8400         PENDING_STMT use with redirect_edge_var_map_*.
8401         * tree-ssa.c (edge_var_maps): New definition.
8402         (redirect_edge_var_map_add): New.
8403         (redirect_edge_var_map_clear): New.
8404         (redirect_edge_var_map_dup): New.
8405         (redirect_edge_var_map_vector): New.
8406         (redirect_edge_var_map_destroy): New.
8407         (ssa_redirect_edge): Replace PENDING_STMT use with
8408         redirect_edge_var_map_*.
8409         (flush_pending_stmts): Same.
8410         (delete_tree_ssa): Destroy edge var map.
8411         * tree-flow.h (struct _edge_var_map): New.
8412         Define edge_var_map vector type.
8413         Declare redirect_edge_var_map_* prototypes.
8414         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
8415         * tree-cfg.c (reinstall_phi_args): Replace
8416         PENDING_STMT use with redirect_edge_var_map_*.
8417
8418 2008-03-05  Richard Guenther  <rguenther@suse.de>
8419
8420         PR tree-optimization/35472
8421         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
8422         whose single use_stmt has a overlapping set of loaded and
8423         stored symbols as that use_stmt might be a noop assignment then.
8424
8425 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
8426
8427         * gthr-rtems.h: Implement __gthread_mutex_destroy.
8428
8429 2008-03-05  Richard Guenther  <rguenther@suse.de>
8430
8431         PR c++/35336
8432         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
8433         should be constants.
8434         * tree-cfg.c (verify_expr): Verify it.
8435         * fold-const.c (fold_truthop): Remove code generating
8436         BIT_FIELD_REFs of structure bases.
8437         (fold_binary): Likewise.
8438         (fold_ternary): Position and size of BIT_FIELD_REFs are
8439         always host integers.
8440         (make_bit_field_ref): Remove.
8441         (optimize_bit_field_compare): Remove.
8442         (all_ones_mask_p): Remove.
8443
8444 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
8445
8446         PR gcc/33009
8447         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
8448         (split_block_and_df_analyze): New. Split basic block and rebuild
8449         dataflow.
8450         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
8451         SPLIT_BLOCK.
8452         (split_pattern_seq): Likewise.
8453         (erase_matching_seqs): Likewise.
8454         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
8455
8456 2008-03-04  Geoff Keating  <geoffk@apple.com>
8457
8458         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
8459         declaration and code.
8460         (tree_invalid_nonnegative_warnv_p): Likewise.
8461
8462 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8463
8464         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
8465         examples.  Truncate option-names then causing overfull hbox.
8466
8467 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8468
8469         PR target/35222
8470         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
8471         on hpux10.
8472         * configure: Rebuilt.
8473
8474 2008-03-04  Rafael Espindola  <espindola@google.com>
8475
8476         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
8477         (tree_unary_nonnegative_warnv_p): New.
8478         (tree_binary_nonnegative_warnv_p): New.
8479         (tree_single_nonnegative_warnv_p): New.
8480         (tree_invalid_nonnegative_warnv_p): New.
8481         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
8482
8483 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8484
8485         PR 28322
8486         * opts.c (handle_option): Postpone 'unknown option' errors only for
8487         warning options.
8488
8489 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
8490
8491         PR target/35453
8492         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
8493         (_SIDD_XXX): This.
8494
8495 2008-03-04  Rafael Espindola  <espindola@google.com>
8496
8497         * fold-const.c (tree_unary_nonzero_warnv_p): New.
8498         (tree_binary_nonzero_warnv_p): New.
8499         (tree_single_nonzero_warnv_p): New.
8500         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
8501
8502 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
8503
8504         PR middle-end/35456
8505         * fold-const.c (fold_cond_expr_with_comparison): Prevent
8506         transformations for modes that have signed zeros.
8507         * ifcvt.c (noce_try_abs): Ditto.
8508
8509 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
8510
8511         * config/i386/i386.c (override_options): Force
8512         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
8513
8514 2008-03-04  Jan Hubicka  <jh@suse.cz>
8515
8516         PR c++/35262
8517         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
8518         in last commit.
8519
8520 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
8521
8522         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
8523         label to probe the stack.
8524
8525 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
8526
8527         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
8528         (__gthr_win32_mutex_destroy): Declare.
8529         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
8530         __gthr_win32_mutex_destroy.
8531         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
8532
8533 2008-03-03  Jan Hubicka  <jh@suse.cz>
8534
8535         PR c++/35262
8536         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
8537         aggressive on inlining cold calls.
8538
8539 2008-03-03  Richard Guenther  <rguenther@suse.de>
8540
8541         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
8542         struct copies into the expression table.
8543         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
8544         (try_to_simplify): Likewise.
8545         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
8546         integral and pointer arguments which do not change the
8547         precision to NOP_EXPRs.
8548         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
8549         VIEW_CONVERT_EXPR case.
8550
8551 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8552
8553         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
8554         defined in a loop at depth 0 is invariant.
8555         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
8556         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
8557         be called at loop depth 0.
8558
8559 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
8560
8561         PR driver/35420
8562         * gcc.c (process_command): Update copyright notice dates.
8563         * gcov.c (print_version): Likewise.
8564         * gcov-dump.c (print_version): Likewise.
8565         * mips-tfile.c (main): Likewise.
8566         * mips-tdump.c (main): Likewise.
8567
8568 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8569
8570         PR 24924
8571         * c-common.c (flag_permissive): Delete.
8572         (constant_expression_warnings): Check flags first.
8573         (constant_expression_error): New.
8574         * c-common.h (flag_permissive): Delete.
8575         (constant_expression_error): Declare.
8576         * flags.h (flag_permissive): Declare. Update description.
8577         * diagnostic.c (pedwarn): Update.
8578         (permerror): New.
8579         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
8580         (permissive_error_kind): New.
8581         * toplev.c (flag_permissive): Define. Update description.
8582         * toplev.h (permissive_error_kind): Declare.
8583         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
8584         (pedwarn_c90): Use pedantic_warning_kind.
8585         * c-opts.c (c_common_post_options): flag_permissive does not affect
8586         flag_pedantic_errors.
8587
8588 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
8589
8590         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
8591         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
8592         __absvsi2, __absvDI2): Use unsigned arithmetic.
8593
8594 2008-03-02  Andi Kleen  <ak@suse.de>
8595             Richard Guenther  <rguenther@suse.de>
8596
8597         * struct-equiv.c: Remove file.
8598         * cfg_cleanup.c (condjump_equiv_p): Remove.
8599         * Makefile.in (OBJS-common): Remove struct-equiv.o.
8600         (struct-equiv.o): Remove rule.
8601         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
8602         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
8603         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
8604
8605 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
8606
8607         * ifcvt.c (noce_process_if_block): Try to handle only the then
8608         block if the else block exists but isn't suitable.
8609
8610 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
8611
8612         PR gcc/35063
8613         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
8614         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
8615         regression from previous patch.
8616
8617 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
8618
8619         PR gcc/35063
8620         * gthr.h: Add __gthread_mutex_destroy as a function that must be
8621         implemented.
8622         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
8623         * gthr-single.h (__gthread_mutex_destroy): Likewise.
8624         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
8625         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
8626         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
8627         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
8628         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
8629         (__gthread_mutex_destroy_function): Rename to
8630         __gthread_mutex_destroy.
8631         * gthr-dce.h (__gthread_mutex_destroy): Call
8632         pthread_mutex_destroy.
8633         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
8634         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
8635         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
8636
8637 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
8638
8639         * df-scan.c (df_ref_chain_change_bb): Simplify.
8640         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
8641         set_block_for_insn if there's any change.
8642         * df.h ((df_insn_change_bb): Fix prototype.
8643         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
8644         df_insn_change_bb, don't call set_block_for_insn.
8645         * emit-rtl.c (reorder_insns): Likewise.
8646         * haifa-sched.c (move_insn): Likewise.
8647
8648 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
8649
8650         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
8651
8652 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
8653
8654         * tree-flow-inline.h (next_readonly_imm_use): Return
8655         NULL_USE_OPERAND_P after the end.
8656
8657 2008-03-01  Richard Guenther  <rguenther@suse.de>
8658
8659         PR tree-optimization/35411
8660         * tree-sra.c (sra_build_assignment): Split conversion to
8661         final type to a separate statement if we are not assigning
8662         to a register.
8663
8664 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8665
8666         * fold-const.c (fold_convertible_p): Correct the logic to follow
8667         that in fold_convert().
8668
8669 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
8670
8671         PR c++/35315
8672         * tree-inline.c (build_duplicate_type): When we make a
8673         duplicate type, make it unique in the canonical types system.
8674
8675 2008-02-29  Tom Tromey  <tromey@redhat.com>
8676
8677         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
8678         input_file_stack_history, input_file_stack_restored): Remove.
8679         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
8680         * input.h (struct file_stack): Remove.
8681         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
8682         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
8683         Likewise.
8684         * diagnostic.h (struct diagnostic_context) <last_module>: Change
8685         type.
8686         (diagnostic_last_module_changed): Add 'map' argument.
8687         (diagnostic_set_last_function): Likewise.
8688         * diagnostic.c (undiagnostic_report_current_module): Iterate using
8689         line map, not input_file_stack.
8690         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
8691
8692 2008-02-29  Paul Brook  <paul@codesourcery.com>
8693
8694         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
8695
8696 2008-02-29  Paul Brook  <paul@codesourcery.com>
8697
8698         * config/arm/ieee754-df.S (muldf3): Use RET macros.
8699
8700 2008-02-29  Richard Guenther  <rguenther@suse.de>
8701
8702         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
8703         vn_lookup_or_add.
8704         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
8705         value for comparing for a store match.
8706         (simplify_unary_expression): Do nothing for SSA_NAMEs.
8707         (try_to_simplify): Do not do a full-blown reference lookup.
8708
8709 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
8710
8711         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
8712         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8713
8714         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
8715
8716 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
8717
8718         * tree-loop-linear.c (try_interchange_loops): Compare memory access
8719         strides against cache sizes.
8720
8721 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
8722
8723         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
8724         constant to fpul.
8725
8726 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
8727
8728         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
8729         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
8730         is smaller than the original promoted value.
8731         (simplify_subreg): If OP is a SUBREG, try to preserve its
8732         SUBREG_PROMOTED_VAR_P information.
8733
8734 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
8735
8736         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
8737         (VN_INFO_GET): Allocate new objects on the obstack.
8738         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
8739         for rpo_numbers_temp, for consistency.
8740         (free_scc_vn): Free the obstack.
8741
8742 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
8743
8744         * doc/invoke.texi: Document -ftree-loop-distribution.
8745         * tree-loop-distribution.c: New.
8746         * tree-pass.h (pass_loop_distribution): New.
8747         * graphds.h (struct graph): Add htab_t indices.
8748         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8749         * tree-vectorizer.c (rename_variables_in_loop): Extern.
8750         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
8751         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8752         * tree-data-ref.c (debug_data_dependence_relations): New.
8753         (dump_data_dependence_relation): Also print data references.
8754         (free_data_ref): Extern.
8755         (same_access_functions): Moved...
8756         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8757         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8758         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8759         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
8760         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
8761         (stmts_from_loop): Skip LABEL_EXPR.
8762         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
8763         New.
8764         (build_rdg): Initialize rdg->indices htab.
8765         (free_rdg, stores_from_loop, ref_base_address,
8766         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8767         have_similar_memory_accesses_1, ref_base_address_1,
8768         remove_similar_memory_refs): New.
8769         * tree-data-ref.h: Depend on tree-chrec.h.
8770         (debug_data_dependence_relations, free_data_ref): Declared.
8771         (same_access_functions): ... here.
8772         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
8773         New.
8774         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
8775         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
8776         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
8777         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8778         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8779         rdg_vertex_for_stmt): Declared.
8780         (struct rdg_edge): Add level.
8781         (RDGE_LEVEL): New.
8782         (free_rdg, stores_from_loop, remove_similar_memory_refs,
8783         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
8784         Declared.
8785         (rdg_has_similar_memory_accesses): New.
8786         * tree-vect-analyze.c: Remove unused static decls.
8787         * lambda.h (dependence_level): New.
8788         * common.opt (ftree-loop-distribution): New.
8789         * tree-flow.h (mark_virtual_ops_in_bb, 
8790         slpeel_tree_duplicate_loop_to_edge_cfg,
8791         rename_variables_in_loop): Declared.
8792         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
8793         (OBJS-common): Add tree-loop-distribution.o.
8794         (tree-loop-distribution.o): New rule.
8795         * tree-cfg.c (mark_virtual_ops_in_bb): New.
8796         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8797         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
8798
8799 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
8800
8801         PR target/33963
8802         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
8803         other than structures and unions.
8804
8805 2008-02-28  Richard Guenther  <rguenther@suse.de>
8806
8807         Revert:
8808         2008-02-26  Richard Guenther  <rguenther@suse.de>
8809
8810         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
8811         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
8812         (lookup_decl_from_uid): Declare.
8813         (remove_decl_from_map): Likewise.
8814         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
8815         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
8816         (decl_for_uid_map): New global hashtable mapping DECL_UID
8817         to the decl tree.
8818         (init_ttree): Allocate it.
8819         (insert_decl_to_uid_decl_map): New helper function.
8820         (make_node_stat): Insert new decls into the map.
8821         (copy_node_stat): Likewise.
8822         (lookup_decl_from_uid): New function.
8823         (remove_decl_from_map): Likewise.
8824         (print_decl_for_uid_map_statistics): New helper.
8825         (dump_tree_statistics): Call it.
8826
8827         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
8828         (referenced_var_iterator): Adjust.
8829         (FOR_EACH_REFERENCED_VAR): Adjust.
8830         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
8831         (num_referenced_vars): Adjust.
8832         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
8833         (first_referenced_var): Remove.
8834         (end_referenced_vars_p): Likewise.
8835         (next_referenced_var): Likewise.
8836         (referenced_var_iterator_set): New helper function.
8837         * tree-dfa.c (referenced_var_lookup): Adjust.
8838         (referenced_var_check_and_insert): Likewise.
8839         (remove_referenced_var): Likewise.
8840         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
8841         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8842         (verify_call_clobbering): Likewise.
8843         (verify_memory_partitions): Likewise.
8844         (init_tree_ssa): Allocate bitmap instead of hashtable for
8845         referenced_vars.
8846         (delete_tree_ssa): Adjust.
8847         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
8848         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8849         (compute_tag_properties): Likewise.
8850         (set_initial_properties): Likewise.
8851         (find_partition_for): Likewise.
8852         (update_reference_counts): Likewise.
8853         (dump_may_aliases_for): Likewise.
8854         * tree-ssa-operands.c (add_virtual_operand): Likewise.
8855         (add_call_clobber_ops): Likewise.
8856         (add_call_read_ops): Likewise.
8857         (get_asm_expr_operands): Likewise.
8858         * tree-into-ssa.c (dump_decl_set): Likewise.
8859         (update_ssa): Likewise.
8860         * tree-sra.c (scan_function): Likewise.
8861         (decide_instantiations): Likewise.
8862         (scalarize_parms): Likewise.
8863         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
8864         (dsa_named_for): Likewise.
8865         * tree-ssa-structalias.c (update_alias_info): Likewise.
8866         (merge_smts_into): Likewise.
8867
8868 2008-02-27  David Daney  <ddaney@avtrex.com>
8869
8870         PR target/34409
8871         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
8872         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
8873         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
8874         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
8875         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
8876
8877 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
8878
8879         PR target/25477
8880         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
8881         (BUILT_IN_NEXTTOWARD): Remove.
8882         (BUILT_IN_NEXTTOWARDF): Ditto.
8883         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
8884         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
8885
8886 2008-02-27  Tom Tromey  <tromey@redhat.com>
8887
8888         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
8889         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
8890
8891 2008-02-27  Jan Beulich  <jbeulich@novell.com>
8892
8893         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
8894         update the respective field on newdecl.
8895
8896 2008-02-27  Revital Eres  <eres@il.ibm.com>
8897
8898         PR rtl-optimization/34999
8899         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
8900         crossing edges that ends with a call insn.
8901         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
8902         call insn and clear the EDGE_CROSSING flag of the crossing edge
8903         when fixing fallthru edges.
8904
8905 2008-02-27  Richard Guenther  <rguenther@suse.de>
8906
8907         PR middle-end/35390
8908         * fold-const.c (fold_unary): Return the correct argument,
8909         converted to the result type.
8910
8911 2008-02-27  Richard Guenther  <rguenther@suse.de>
8912
8913         PR middle-end/34971
8914         * expr.c (expand_expr_real_1): Assert on rotates that operate
8915         on partial modes.
8916         * fold-const.c (fold_binary): Use the types precision, not the
8917         bitsize of the mode if folding rotate expressions.  Build rotates
8918         only for full modes.
8919
8920 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
8921
8922         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
8923         and CPP_PRAGMA_EOL.
8924         * c-pragma.c (pragma_ns_name): New typedef.
8925         (registered_pp_pragmas): New variable.
8926         (c_pp_lookup_pragma): New function.
8927         (c_register_pragma_1): If flag_preprocess_only, do nothing
8928         for non-expanded pragmas, for expanded ones push pragma's
8929         namespace and name into registered_pp_pragmas vector.
8930         (c_invoke_pragma_handler): Register OpenMP pragmas even when
8931         flag_preprocess_only, don't register GCC pch_preprocess
8932         pragma if flag_preprocess_only.
8933         * c-opts.c (c_common_init): Call init_pragma even if
8934         flag_preprocess_only.
8935         * c-pragma.c (c_pp_lookup_pragma): New prototype.
8936         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
8937         cpp_register_pragma if flag_preprocess_only.
8938
8939 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8940
8941         PR c/28800
8942         * c-parser.c (c_parser_translation_unit): Warn for empty
8943         translation unit, not empty source file.
8944
8945 2008-02-26  Paul Brook  <paul@codesourcery.com>
8946
8947         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
8948         operand for Thumb-2.
8949         * config/arm/arm.h (reg_class): Add CORE_REGS.
8950         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
8951         (BASE_REG_CLASS): Use CORE_REGS.
8952         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
8953         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
8954         (REGNO_OK_FOR_INDEX_P): Exclude SP.
8955         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
8956         ARM_REGNO_OK_FOR_INDEX_P.
8957         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
8958         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
8959         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
8960         (ldm/stm peepholes): Ditto.
8961         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
8962         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
8963         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
8964         * config/arm/constraints.md: Enable "k" constraint on ARM.
8965
8966 2008-02-27  Ben Elliston  <bje@au.ibm.com>
8967
8968         * config/rs6000/rs6000.c: Annotate cache line size field in all
8969         instances of struct processor_costs.
8970
8971 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
8972
8973         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
8974         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
8975         jump_bypass): New counters.
8976         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
8977         * dce.c (gate_ud_dce): Same.
8978         (gate_fast_dce): Same.
8979         * dse.c (gate_dse1): New function.
8980         (gate_dse2): New function.
8981         (gate_dse): Merge results of new gate functions.
8982         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
8983         (gate_handle_jump_bypass): Add dbg_cnt.
8984         (gate_handle_gcse): Add dbg_cnt.
8985         * ifcvt.c (gate_handle_if_conversion): Same.
8986         (gate_handle_if_after_combine): Same.
8987         (gate_handle_if_after_reload): Same.
8988         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
8989
8990 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
8991
8992         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
8993         line sizes.
8994         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
8995
8996 2008-02-26  Jason Merrill  <jason@redhat.com>
8997
8998         PR c++/35315
8999         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
9000         alone if it's the naming decl for the type's main variant.
9001
9002 2008-02-26  Tom Tromey  <tromey@redhat.com>
9003
9004         * system.h (USE_MAPPED_LOCATION): Poison.
9005         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
9006         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
9007         (make_goto_expr_edges): Likewise.
9008         (remove_bb): Likewise.
9009         (execute_warn_function_return): Likewise.
9010         * basic-block.h (struct edge_def) <goto_locus>: Change type to
9011         location_t.
9012         * c-common.c (fname_decl): Remove old location code.
9013         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
9014         location code.
9015         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
9016         variant.
9017         (ASM_INPUT_SOURCE_LOCATION): Likewise.
9018         (gen_rtx_ASM_INPUT): Likewise.
9019         (gen_rtx_ASM_INPUT_loc): Likewise.
9020         (get_rtx_asm_OPERANDS): Remove.
9021         * cfglayout.c (insn_locators_alloc): Remove old location code.
9022         (set_curr_insn_source_location): Likewise.
9023         (curr_insn_locator): Likewise.
9024         * print-tree.c (print_node): Remove old location code.
9025         * tree-mudflap.c (mf_varname_tree): Remove old location code.
9026         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
9027         * cfgexpand.c (expand_gimple_cond_expr): Don't use
9028         location_from_locus.
9029         (construct_exit_block): Remove old location code.
9030         * emit-rtl.c (force_next_line_note): Remove old location code.
9031         * profile.c (branch_prob): Remove old location code.
9032         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
9033         LOC_LINE): Remove old-location variants.
9034         * langhooks.c (lhd_print_error_function): Remove old location
9035         code.
9036         * configure, config.in: Rebuilt.
9037         * configure.ac (--enable-mapped-location): Remove.
9038         * c-decl.c (c_init_decl_processing): Remove old location code.
9039         (finish_function): Likewise.
9040         * recog.c (decode_asm_operands): Remove old location code.
9041         * c-pch.c (c_common_read_pch): Remove old location code.
9042         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
9043         variants.
9044         * gimple-low.c (lower_function_body): Remove old location code.
9045         * toplev.c (unknown_location): Remove.
9046         (push_srcloc): Remove old-location variant.
9047         (process_options): Remove old location code.
9048         (lang_dependent_init): Likewise.
9049         * input.h (UNKNOWN_LOCATION): Move definition.
9050         (location_t): Undeprecate.
9051         (source_locus): Remove.
9052         (location_from_locus): Remove.
9053         (struct location_s): Remove.
9054         Remove all old-location code.
9055         (input_line, input_filename): Remove.
9056         * final.c (final_scan_insn): Remove old location code.
9057         * diagnostic.c (diagnostic_build_prefix): Remove
9058         USE_MAPPED_LOCATION test.
9059         * tree.h (gimple_stmt) <locus>: Now a location_t.
9060         (tree_exp) <locus>: Likewise.
9061         (DECL_IS_BUILTIN): Remove old-location variant.
9062         (annotate_with_file_line, annotate_with_locus): Likewise.
9063         (expr_locus, set_expr_locus): Update.
9064         * tree.c (build1_stat): Remove old location code.
9065         (last_annotated_node): Remove.
9066         (annotate_with_file_line): Remove old-location variant.
9067         (annotate_with_locus): Likewise.
9068         (expr_location): Remove old location code.
9069         (set_expr_location): Likewise.
9070         (expr_has_location): Likewise.
9071         (expr_locus): Likewise.
9072         (set_expr_locus): Likewise.
9073         (expr_filename): Don't use location_from_locus.
9074         (expr_lineno): Likewise.
9075         * rtl-error.c (location_for_asm): Remove old location code.
9076         * c-lex.c (cb_line_change): Remove old location code.
9077         (fe_file_change): Likewise.
9078         (cb_def_pragma): Likewise.
9079         (c_lex_with_flags): Likewise.
9080         * gengtype.c (do_typedef): Don't special-case location types.
9081         (define_location_structures): Remove.
9082         (main): Don't call define_location_structures.
9083         * tree-pretty-print.c (dump_implicit_edges): Remove old location
9084         code.
9085
9086 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9087
9088         PR 26264
9089         * builtins.def (BUILT_IN_STDARG_START): Remove.
9090         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
9091         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
9092         * tree-inline.c (inline_forbidden_p_1): Likewise.
9093         
9094 2008-02-26  Richard Guenther  <rguenther@suse.de>
9095
9096         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9097         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9098         (lookup_decl_from_uid): Declare.
9099         (remove_decl_from_map): Likewise.
9100         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9101         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9102         (decl_for_uid_map): New global hashtable mapping DECL_UID
9103         to the decl tree.
9104         (init_ttree): Allocate it.
9105         (insert_decl_to_uid_decl_map): New helper function.
9106         (make_node_stat): Insert new decls into the map.
9107         (copy_node_stat): Likewise.
9108         (lookup_decl_from_uid): New function.
9109         (remove_decl_from_map): Likewise.
9110         (print_decl_for_uid_map_statistics): New helper.
9111         (dump_tree_statistics): Call it.
9112
9113         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9114         (referenced_var_iterator): Adjust.
9115         (FOR_EACH_REFERENCED_VAR): Adjust.
9116         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9117         (num_referenced_vars): Adjust.
9118         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9119         (first_referenced_var): Remove.
9120         (end_referenced_vars_p): Likewise.
9121         (next_referenced_var): Likewise.
9122         (referenced_var_iterator_set): New helper function.
9123         * tree-dfa.c (referenced_var_lookup): Adjust.
9124         (referenced_var_check_and_insert): Likewise.
9125         (remove_referenced_var): Likewise.
9126         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9127         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9128         (verify_call_clobbering): Likewise.
9129         (verify_memory_partitions): Likewise.
9130         (init_tree_ssa): Allocate bitmap instead of hashtable for
9131         referenced_vars.
9132         (delete_tree_ssa): Adjust.
9133         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9134         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9135         (compute_tag_properties): Likewise.
9136         (set_initial_properties): Likewise.
9137         (find_partition_for): Likewise.
9138         (update_reference_counts): Likewise.
9139         (dump_may_aliases_for): Likewise.
9140         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9141         (add_call_clobber_ops): Likewise.
9142         (add_call_read_ops): Likewise.
9143         (get_asm_expr_operands): Likewise.
9144         * tree-into-ssa.c (dump_decl_set): Likewise.
9145         (update_ssa): Likewise.
9146         * tree-sra.c (scan_function): Likewise.
9147         (decide_instantiations): Likewise.
9148         (scalarize_parms): Likewise.
9149         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9150         (dsa_named_for): Likewise.
9151         * tree-ssa-structalias.c (update_alias_info): Likewise.
9152         (merge_smts_into): Likewise.
9153
9154 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9155
9156         PR 34351
9157         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
9158         * c-opts.c (c_common_handle_option): Wall enables
9159         Wvolatile-register-var.
9160         * common.opt: Move Wvolatile-register-var to...
9161         * c.opt: ...here.
9162         
9163 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9164
9165         * common.opt (Wlarger-than=): New.
9166         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
9167         -Wlarger-than=.
9168         * opts.c (common_handle_option): Handle -Wlarger-than=.
9169         * optc-gen.awk: Likewise.
9170         * opth-gen.awk: Likewise.
9171         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
9172         * tree-optimize.c (tree_rest_of_compilation): Likewise.
9173         
9174 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9175
9176         * c-common.c (match_case_to_enum_1): Add appropriate
9177         OPT_W* parameter to warning.
9178         (c_do_switch_warnings): Likewise.
9179         * c-typeck.c (warning_init): Add one more parameter following
9180         'warning' function.
9181         (push_init_level): Update call to warning_init.
9182         (pop_init_level): Likewise.
9183         (add_pending_init): Likewise.
9184         (output_init_element: Likewise.
9185
9186 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9187
9188         PR 28322
9189         * toplev.c (toplev_main): If there are warnings or error, print
9190         errors for ignored options.
9191         * opts.c (ignored_options): New static variable.
9192         (postpone_unknown_option_error): New.
9193         (print_ignored_options): New.
9194         (handle_option): Postpone errors for unknown -Wno-* options.
9195         * opts.h (print_ignored_options): Declare.
9196         
9197 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
9198
9199         * config/mips/mips.md (loadgp_blockage, blockage): Change type
9200         to "ghost".
9201
9202 2008-02-25  Richard Guenther  <rguenther@suse.de>
9203
9204         Revert:
9205         2008-02-25  Richard Guenther  <rguenther@suse.de>
9206
9207         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9208         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9209         (lookup_decl_from_uid): Declare.
9210         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9211         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9212         (decl_for_uid_map): New global hashtable mapping DECL_UID
9213         to the decl tree.
9214         (init_ttree): Allocate it.
9215         (insert_decl_to_uid_decl_map): New helper function.
9216         (make_node_stat): Insert new decls into the map.
9217         (copy_node_stat): Likewise.
9218         (lookup_decl_from_uid): New function.
9219         (print_decl_for_uid_map_statistics): New helper.
9220         (dump_tree_statistics): Call it.
9221
9222         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9223         (referenced_var_iterator): Adjust.
9224         (FOR_EACH_REFERENCED_VAR): Adjust.
9225         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9226         (num_referenced_vars): Adjust.
9227         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9228         (first_referenced_var): Remove.
9229         (end_referenced_vars_p): Likewise.
9230         (next_referenced_var): Likewise.
9231         (referenced_var_iterator_set): New helper function.
9232         * tree-dfa.c (referenced_var_lookup): Adjust.
9233         (referenced_var_check_and_insert): Likewise.
9234         (remove_referenced_var): Likewise.
9235         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9236         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9237         (verify_call_clobbering): Likewise.
9238         (verify_memory_partitions): Likewise.
9239         (init_tree_ssa): Allocate bitmap instead of hashtable for
9240         referenced_vars.
9241         (delete_tree_ssa): Adjust.
9242         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9243         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9244         (compute_tag_properties): Likewise.
9245         (set_initial_properties): Likewise.
9246         (find_partition_for): Likewise.
9247         (update_reference_counts): Likewise.
9248         (dump_may_aliases_for): Likewise.
9249         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9250         (add_call_clobber_ops): Likewise.
9251         (add_call_read_ops): Likewise.
9252         (get_asm_expr_operands): Likewise.
9253         * tree-into-ssa.c (dump_decl_set): Likewise.
9254         (update_ssa): Likewise.
9255         * tree-sra.c (scan_function): Likewise.
9256         (decide_instantiations): Likewise.
9257         (scalarize_parms): Likewise.
9258         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9259         (dsa_named_for): Likewise.
9260         * tree-ssa-structalias.c (update_alias_info): Likewise.
9261         (merge_smts_into): Likewise.
9262
9263 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
9264
9265         PR fortran/29549
9266         * doc/invoke.texi (-fcx-limited-range): Document new option.
9267         * toplev.c (process_options): Handle -fcx-fortran-rules.
9268         * common.opt: Add documentation for -fcx-fortran-rules.
9269
9270 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
9271
9272         PR c/35162
9273         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
9274         actual behaviour and C99.
9275         
9276 2008-02-26  Ben Elliston  <bje@au.ibm.com>
9277
9278         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
9279         (ASM_CPU_POWER6_SPEC): Likewise.
9280         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
9281         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
9282         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
9283
9284 2008-02-25  Richard Guenther  <rguenther@suse.de>
9285
9286         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9287         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9288         (lookup_decl_from_uid): Declare.
9289         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9290         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9291         (decl_for_uid_map): New global hashtable mapping DECL_UID
9292         to the decl tree.
9293         (init_ttree): Allocate it.
9294         (insert_decl_to_uid_decl_map): New helper function.
9295         (make_node_stat): Insert new decls into the map.
9296         (copy_node_stat): Likewise.
9297         (lookup_decl_from_uid): New function.
9298         (print_decl_for_uid_map_statistics): New helper.
9299         (dump_tree_statistics): Call it.
9300
9301         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9302         (referenced_var_iterator): Adjust.
9303         (FOR_EACH_REFERENCED_VAR): Adjust.
9304         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9305         (num_referenced_vars): Adjust.
9306         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9307         (first_referenced_var): Remove.
9308         (end_referenced_vars_p): Likewise.
9309         (next_referenced_var): Likewise.
9310         (referenced_var_iterator_set): New helper function.
9311         * tree-dfa.c (referenced_var_lookup): Adjust.
9312         (referenced_var_check_and_insert): Likewise.
9313         (remove_referenced_var): Likewise.
9314         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9315         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9316         (verify_call_clobbering): Likewise.
9317         (verify_memory_partitions): Likewise.
9318         (init_tree_ssa): Allocate bitmap instead of hashtable for
9319         referenced_vars.
9320         (delete_tree_ssa): Adjust.
9321         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9322         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9323         (compute_tag_properties): Likewise.
9324         (set_initial_properties): Likewise.
9325         (find_partition_for): Likewise.
9326         (update_reference_counts): Likewise.
9327         (dump_may_aliases_for): Likewise.
9328         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9329         (add_call_clobber_ops): Likewise.
9330         (add_call_read_ops): Likewise.
9331         (get_asm_expr_operands): Likewise.
9332         * tree-into-ssa.c (dump_decl_set): Likewise.
9333         (update_ssa): Likewise.
9334         * tree-sra.c (scan_function): Likewise.
9335         (decide_instantiations): Likewise.
9336         (scalarize_parms): Likewise.
9337         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9338         (dsa_named_for): Likewise.
9339         * tree-ssa-structalias.c (update_alias_info): Likewise.
9340         (merge_smts_into): Likewise.
9341
9342 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
9343
9344         PR target/35258
9345         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
9346         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
9347         * alias.h (nonoverlapping_memrefs_p): Likewise.
9348
9349 2008-02-25  Jan Beulich  <jbeulich@novell.com>
9350
9351         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
9352         * config/i386/netware-libgcc.exp: Add __bswap?i2,
9353         __emultls_get_address, __emultls_register_common,
9354         __floatundi?f, and _Unwind_GetIPInfo.
9355         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
9356         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
9357         (gen_regparm_prefix): Likewise.
9358         (i386_nlm_encode_section_info): Sync with
9359         config/i386/winnt.c:i386_pe_encode_section_info().
9360         (i386_nlm_maybe_mangle_decl_assembler_name): New.
9361         i386_nlm_mangle_decl_assembler_name): New.
9362         (netware_override_options): New.
9363         * config/i386/netware.h (netware_override_options): Declare.
9364         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
9365         (i386_nlm_mangle_decl_assembler_name): Declare.
9366         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
9367
9368 2008-02-25  Ben Elliston  <bje@au.ibm.com>
9369
9370         PR other/32948
9371         * c-decl.c (grokdeclarator): Remove unused local variables
9372         `typedef_type' and `type_as_written'.
9373         * bb-reorder.c
9374         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
9375         unused local variable `has_hot_blocks'.
9376         (fix_crossing_conditional_branches): Remove unused local variable
9377         `prev_bb'.
9378         
9379 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
9380
9381         PR middle-end/19984
9382         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
9383         using DEF_C99_BUILTIN.
9384         (BUILT_IN_NANF): Ditto.
9385         (BUILT_IN_NANL): Ditto.
9386
9387 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
9388             Revital Eres  <eres@il.ibm.com>
9389
9390         * modulo-sched.c (calculate_must_precede_follow): Address TODO
9391         regarding the order of two dependent insns in the same row.
9392
9393 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
9394
9395         * stor-layout.c (layout_decl): Do not bump the alignment of a
9396         bit-field to more than byte alignment if it is packed.
9397
9398 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
9399
9400         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
9401         e300c2 and e300c3.
9402
9403 2008-02-24  Diego Novillo  <dnovillo@google.com>
9404
9405         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
9406
9407         PR 33738
9408         * tree-vrp.c (vrp_evaluate_conditional): With
9409         -Wtype-limits, emit a warning when comparing against a
9410         constant outside the natural range of OP0's type.
9411         * c.opt (Wtype-limits): Move ...
9412         * common.opt (Wtype-limits): ... here.
9413
9414 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
9415
9416         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
9417         * config/rs6000/e300c2c3.md: New file.
9418         * config/rs6000/rs6000.c (processor_costs): Add new costs for
9419         e300c2 and e300c3.
9420         (rs6000_override_options): Add e300c2 and e300c3 cases to
9421         processor_target_table. Do not allow usage of Altivec or Spe
9422         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
9423         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
9424         * config/rs6000/rs6000.h (processor_type): Add
9425         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
9426         (ASM_CPU_SPEC): Add e300c2 and e300c3.
9427         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
9428         and ppce300c3. Include e300c2c3.md.
9429
9430 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
9431
9432         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
9433         instead of TARGET_STRICT_ALIGN.
9434
9435 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
9436
9437         * explow.c (memory_address): Assert that the generated address is
9438         valid.
9439
9440 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9441
9442         PR target/25477
9443         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
9444         * config/darwin-ppc-ldouble-patch.def: New file.
9445         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
9446         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
9447         SUBTARGET_INIT_BUILTINS if defined.
9448         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
9449         New functions.
9450
9451 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9452
9453         PR rtl-opt/33512
9454         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
9455         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
9456
9457 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9458
9459         PR pch/35027
9460         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
9461         file" warning condtional on -Winvalid-PCH.
9462
9463 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
9464
9465         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
9466
9467 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
9468
9469         PR target/22076
9470         PR target/34256 
9471         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
9472         prevent reload from using MMX registers.
9473         (*mov<mode>_internal): Ditto.
9474         (*movv2sf_internal_rex64): Ditto.
9475         (*movv2sf_internal): Ditto.
9476
9477 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9478
9479         PR documentation/31569
9480         * doc/install.texi2html: Use makeinfo --no-number-sections.
9481
9482 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
9483
9484         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
9485         ensure that we can address an entire entity > 8 bytes.  Don't
9486         generate reg+reg addressing for such data.
9487
9488 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
9489
9490         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
9491         strings when optimizing for size, unless the target cares about
9492         alignment.
9493
9494 2008-02-22  Tom Tromey  <tromey@redhat.com>
9495
9496         * regclass.c (current_pass): Remove declaration.
9497
9498 2008-02-22  Anatoly Sokolov <aesok@post.ru>
9499
9500         * config/avr/libgcc.S (__RAMPZ__): Define.
9501         (__do_copy_data): Add for devices with 128KB code memory.
9502
9503 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
9504
9505         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
9506         Use spe_abi.
9507         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
9508
9509 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
9510
9511         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
9512         GENNONACR_REGS.
9513
9514 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9515
9516         PR c/19999
9517         * c-typeck.c (build_binary_op): Warn about floating point
9518         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
9519
9520 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
9521
9522         PR target/34526
9523         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
9524         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
9525         add vrsave.
9526         (rs6000_override_options): Set altivec_abi as default, not override,
9527         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
9528         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
9529         is used; use new member spe_abi.
9530         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
9531         spe_abi and altivec_abi.
9532
9533 2008-02-22  Tomas Bily  <tbily@suse.cz>
9534
9535         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
9536
9537 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9538
9539         PR bootstrap/35273
9540         * config.build (build_file_translate): Set to `CMD //c' only if
9541         it works.
9542         * Makefile.in (build_file_translate): Improve comment.
9543
9544 2008-02-21  Jan Hubicka  <jh@suse.cz>
9545
9546         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
9547         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
9548         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
9549
9550 2008-02-21  Michael Matz  <matz@suse.de>
9551
9552         PR target/35264
9553         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
9554
9555 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
9556
9557         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
9558         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
9559         as insn constraint.
9560         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
9561         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
9562         SSE_VEC_FLOAT_MODE_P as insn constraint.
9563         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
9564         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
9565         sse4a_movntdf using MODEF mode iterator.
9566         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
9567         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
9568         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
9569         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
9570         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
9571         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
9572         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
9573
9574 2008-02-21  Richard Guenther  <rguenther@suse.de>
9575
9576         * tree.def (PAREN_EXPR): New tree code.
9577         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
9578         and PAREN_EXPR.
9579         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
9580         * expr.c (expand_expr_real_1): Likewise.
9581         * tree-inline.c (estimate_num_insns_1): Likewise.
9582         * tree-complex.c (expand_complex_move): Likewise.
9583         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
9584         as plain x.
9585
9586 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9587
9588         PR target/35225
9589         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
9590
9591 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9592
9593         PR target/35190
9594         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
9595
9596         * config/sh/sh.c (find_barrier): Don't go past
9597         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
9598
9599 2008-02-20  DJ Delorie  <dj@redhat.com>
9600
9601         * config/h8300/h8300.md (insv): Force source operand to be a register.
9602
9603         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
9604         as a jump, not as a plain insn.
9605         
9606 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
9607
9608         * doc/invoke.texi (Warning Options): Add new option
9609         -Wframe-larger-than=.
9610         (-Wframe-larger-than): Document.
9611
9612         * flags.h (warn_frame_larger_than, frame_larger_than_size):
9613         Add declarations for new option variables.
9614
9615         * final.c (final_start_function): Check the frame size
9616         before emission and issue a Wframe-larger-than warning.
9617
9618         * opts.c (warn_frame_larger_than, frame_larger_than_size):
9619         Add definitions for new option variables.
9620         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
9621
9622         * common.opt (Wframe-larger-than=): New option.
9623
9624 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
9625
9626         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
9627         (<sse>_div<mode>3): Ditto.
9628         (<sse>_vmdiv<mode>3): Ditto.
9629         (<sse>_vmsqrt<mode>2): Ditto.
9630         (*smax<mode>3): Ditto.
9631         (sse5_frcz<mode>2): Ditto.
9632         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
9633         as insn constraint.
9634
9635 2008-02-20  Richard Guenther  <rguenther@suse.de>
9636
9637         PR middle-end/35265
9638         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
9639         be happy with INTEGRAL_TYPE_P.
9640
9641 2008-02-20  Richard Guenther  <rguenther@suse.de>
9642
9643         * fold-const.c (split_tree): Associate floatig-point expressions
9644         if flag_associative_math is set.
9645
9646 2008-02-20  Richard Guenther  <rguenther@suse.de>
9647
9648         * tree.h (fold_real_zero_addition_p): Declare.
9649         * fold-const.c (fold_real_zero_addition_p): Export.
9650         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
9651         floating-point operations with zero and one.
9652
9653 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
9654
9655         * doc/install.texi: Correct references to CFLAGS, replacing them
9656         with BOOT_CFLAGS.  Document flags used during bootstrap for
9657         target libraries.
9658                                 
9659 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
9660
9661         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
9662         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
9663         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
9664         insn constraint.
9665         (smin<mode>3): Ditto from similar patterns.
9666         (smax<mode>3): Ditto.
9667         (*ieee_smin<mode>3): Ditto.
9668         (*ieee_smax<mode>3): Ditto.
9669         * config/i386/sse.md (sse): New mode attribute.
9670         (mov<mode>): Macroize expander from movv4sf and movv2df using
9671         SSEMODEF2P mode iterator.
9672         (<sse>_movnt<mode>): Ditto from similar patterns. Use
9673         SSE_VEC_FLOAT_MODE_P as insn constraint.
9674         (storent<mode>): Ditto.
9675         (storent<mode>): Macroize expander from storentsf and storentdf using
9676         MODEF mode iterator.
9677         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
9678         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
9679         (abs<mode>2): Ditto from similar patterns.
9680         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
9681         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
9682         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
9683         (<sse>_vmsqrt<mode>2): Ditto.
9684         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
9685         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
9686         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
9687         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
9688         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
9689         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
9690         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
9691         insn constraint.
9692         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
9693         iterator and SSE_FLOAT_MODE_P as insn constraint.
9694         (<sse>_ucomi): Ditto from similar patterns.
9695         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
9696         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
9697         SSE_VEC_FLOAT_MODE_P as insn constraint.
9698         (vcond<mode>): Ditto from similar patterns.
9699         (and<mode>3, *and<mode>3): Ditto.
9700         (<sse>_nand<mode>3): Ditto.
9701         (ior<mode>3, *ior<mode>3): Ditto.
9702         (xor<mode>3, *xor<mode>3): Ditto.
9703         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
9704         iterator and SSE_FLOAT_MODE_P as insn constraint.
9705         (*nand<mode>3): Ditto from similar patterns.
9706         (*ior<mode>3): Ditto.
9707         (*xor<mode>3): Ditto.
9708
9709 2008-02-20  Ira Rosen  <irar@il.ibm.com>
9710
9711         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
9712         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
9713         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
9714
9715 2008-02-19  Jan Hubicka  <jh@suse.cz>
9716
9717         * predict.c (tree_bb_level_predictions): Remove variable next
9718         mistakely introduced by previous commit.
9719
9720 2008-02-19  Jan Hubicka  <jh@suse.cz>
9721
9722         * predict.c (predict_paths_leading_to): Rewrite.
9723         (predict_paths_for_bb): New.
9724         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
9725
9726 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9727
9728         PR bootstrap/35218
9729         * Makefile.in (build_file_translate): New.
9730         (gcc-vers.texi): Use it for translating $(abs_srcdir).
9731         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
9732         * configure.ac (build_file_translate): Substitute it.
9733         * configure: Regenerate.
9734
9735 2008-02-19  Jan Hubicka  <jh@suse.cz>
9736
9737         PR rtl-optimization/34408
9738         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
9739         invalid sharing.
9740
9741 2008-02-19  Jan Hubicka  <jh@suse.cz>
9742
9743         PR middle-end/28779
9744         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
9745         call_expr.
9746
9747 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9748
9749         PR Ada/35186
9750         * config/i386/i386-modes.def: Revert the last DI alignment
9751         change until Ada people can look into it.
9752
9753 2008-02-19  Nick Clifton  <nickc@redhat.com>
9754
9755         * opts.c (print_specific_help): Fix typo in --help text.
9756
9757 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
9758
9759         PR target/35239
9760         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
9761         32-bit inline asm without asm alternatives for host GCC < 3.0.
9762
9763 2008-02-19  Richard Guenther  <rguenther@suse.de>
9764
9765         PR tree-optimization/34989
9766         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
9767         Allow propagation to INDIRECT_REF if we can simplify only.
9768
9769 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9770
9771         * c-common.c (warn_for_collisions_1): Use appropriate option when
9772         warning.
9773
9774 2008-02-19  Nick Clifton  <nickc@redhat.com>
9775
9776         PR other/31349
9777         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
9778         (handle_options): Fix indentation.
9779         (print_filtered_help): If no language-specific options were
9780         displayed tell the user how to list all the options supported by
9781         the language's front-end.
9782         (print_specific_help): Fix indentation and remove duplicate line.
9783         (common_handle_option): Handle the -v option.
9784         For --help enable the display of undocumented options if the -v
9785         switch has been included on the command line.
9786         For --help= check for overlaps in the arguments between the option
9787         classes and the language names and issue a warning when they
9788         cannot be disambiguated.
9789         * c.opt (v): Pass on to the common option handler.
9790
9791 2008-02-19  Revital Eres  <eres@il.ibm.com> 
9792
9793         * modulo-sched.c (sms_schedule): Change dump message when
9794         create_ddg function fails.
9795         (try_scheduling_node_in_cycle): Rename row to cycle.
9796         (print_partial_schedule): Rename CYCLE to ROW.
9797
9798 2008-02-19  Christian Bruel  <christian.bruel@st.com>
9799             Zdenek Dvorak  <ook@ucw.cz>
9800
9801         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
9802
9803 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
9804
9805         PR target/33555
9806         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
9807         (*x86_movdicc_0_m1_se): Ditto.
9808
9809 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
9810
9811         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
9812         (CMPtype): Define as __gcc_CMPtype.
9813         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
9814         (CMPtype): Define as __gcc_CMPtype.
9815
9816 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
9817
9818         Support valgrind 3.3 for --enable-checking=valgrind.
9819         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
9820         here.
9821         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
9822         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
9823         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
9824         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
9825         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
9826         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
9827         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
9828         respectively.
9829         * ggc-zone.c: Similar.
9830         * ggc-page.c: Similar.
9831
9832 2008-02-19  Paul Brook  <paul@codesourcery.com>
9833
9834         PR target/35071
9835         * config/arm/ieee754-df.S: Fix do_it typo.
9836         * config/arm/ieee754-sf.S: Fix do_it typo.
9837
9838 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9839
9840         PR target/35189
9841         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
9842         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
9843         (OPTION_MASK_ISA_SSE_SET): Likewise.
9844         (OPTION_MASK_ISA_SSE2_SET): Likewise.
9845         (OPTION_MASK_ISA_SSE3_SET): Likewise.
9846         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
9847         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
9848         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
9849         (OPTION_MASK_ISA_SSE4_SET): Likewise.
9850         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
9851         (OPTION_MASK_ISA_SSE5_SET): Likewise.
9852         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
9853         (OPTION_MASK_ISA_MMX_UNSET): Updated.
9854         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
9855         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
9856         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
9857         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
9858         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
9859         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
9860         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
9861         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
9862         (OPTION_MASK_ISA_SSE4): Removed.
9863         (ix86_handle_option): Turn on bits in ix86_isa_flags and
9864         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
9865         (override_options): Don't turn on implied SSE/MMX bits in
9866         ix86_isa_flags.
9867
9868 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9869
9870         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
9871         32bit host.
9872
9873 2008-02-18  Joey Ye  <joey.ye@intel.com>
9874
9875         PR middle-end/34921
9876         * tree-nested.c (insert_field_into_struct): Set type alignment
9877         to field alignment if the former is less than the latter.
9878
9879 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
9880
9881         * BASE-VER: Set to 4.4.0.
9882
9883 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9884
9885         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
9886         * doc/cfg.texi: Likewise.
9887         * doc/extend.texi: Likewise.
9888         * doc/gty.texi: Likewise.
9889         * doc/invoke.texi: Likewise.
9890         * doc/loop.texi: Likewise.
9891         * doc/md.texi: Likewise.
9892         * doc/passes.texi: Likewise.
9893         * doc/rtl.texi: Likewise.
9894         * doc/sourcebuild.texi: Likewise.
9895         * doc/tm.texi: Likewise.
9896         * doc/tree-ssa.texi: Likewise.
9897
9898 2008-02-17  Richard Guenther  <rguenther@suse.de>
9899
9900         PR middle-end/35227
9901         * tree-complex.c (init_parameter_lattice_values): Handle parameters
9902         without default definition.
9903
9904 2008-02-17  Richard Guenther  <rguenther@suse.de>
9905
9906         PR tree-optimization/35231
9907         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
9908         if A | B != 1.
9909
9910 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
9911
9912         Revert:
9913         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
9914         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
9915         libgcc_cmp_return mode.
9916
9917 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9918
9919         PR c/28368
9920         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
9921
9922 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
9923
9924         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
9925         multilibs.
9926
9927 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9928
9929         * doc/c-tree.texi: Use `@.' where appropriate.
9930         * doc/extend.texi: Likewise.
9931         * doc/install.texi: Likewise.
9932         * doc/invoke.texi: Likewise.
9933         * doc/loop.texi: Likewise.
9934         * doc/makefile.texi: Likewise.
9935         * doc/md.texi: Likewise.
9936         * doc/passes.texi: Likewise.
9937         * doc/standards.texi: Likewise.
9938         * doc/tm.texi: Likewise.
9939
9940 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
9941
9942         PR middle-end/35196
9943         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
9944         in entry_bb.
9945         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
9946         rather than in entry_bb.
9947
9948 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
9949
9950         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
9951         libgcc_cmp_return mode.
9952
9953 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
9954
9955         PR middle-end/35130
9956         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
9957         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
9958
9959 2008-02-15  Richard Guenther  <rguenther@suse.de>
9960             Zdenek Dvorak  <ook@ucw.cz>
9961
9962         PR tree-optimization/35164
9963         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
9964         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
9965         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
9966         Only propagate addresses which do not have abnormal SSA_NAMEs
9967         in their operands.
9968
9969 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
9970
9971         PR target/35088
9972         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
9973
9974 2008-02-15  Jan Hubicka  <jh@suse.cz>
9975
9976         PR middle-end/35149
9977         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
9978
9979 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
9980
9981         PR middle-end/34621
9982         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
9983         when calculating alignment_pad.
9984
9985 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
9986
9987         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
9988         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
9989         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
9990         and STACK_BOUNDARY define.
9991
9992 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
9993
9994         PR preprocessor/35061
9995         * c-pragma.c (handle_pragma_pop_macro): Check that
9996         pushed_macro_table has been allocated.
9997
9998 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
9999
10000         PR middle-end/35136
10001         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
10002         (force_gimple_operand): Likewise.
10003         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
10004         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
10005         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
10006         (find_interesting_uses_address): Check addressability and alignment
10007         of the base expression only after substituting bases of IVs into it.
10008
10009 2008-02-14  Michael Matz  <matz@suse.de>
10010
10011         PR target/34930
10012         * function.c (instantiate_virtual_regs_in_insn): Reload address
10013         before falling back to reloading the whole operand.
10014
10015 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
10016
10017         * config/s390/s390.c (s390_mainpool_start): Emit the pool
10018         before the first section switch note.
10019
10020 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10021
10022         * doc/bugreport.texi: Update copyright years.
10023         * doc/c-tree.texi: Likewise.
10024         * doc/cfg.texi: Likewise.
10025         * doc/cpp.texi: Likewise.
10026         * doc/cppinternals.texi: Likewise.
10027         * doc/fragments.texi: Likewise.
10028         * doc/frontends.texi: Likewise.
10029         * doc/gcc.texi: Likewise.
10030         * doc/gty.texi: Likewise.
10031         * doc/hostconfig.texi: Likewise.
10032         * doc/implement-c.texi: Likewise.
10033         * doc/libgcc.texi: Likewise.
10034         * doc/loop.texi: Likewise.
10035         * doc/makefile.texi: Likewise.
10036         * doc/options.texi: Likewise.
10037         * doc/passes.texi: Likewise.
10038         * doc/rtl.texi: Likewise.
10039         * doc/sourcebuild.texi: Likewise.
10040         * doc/standards.texi: Likewise.
10041         * doc/tree-ssa.texi: Likewise.
10042         * doc/trouble.texi: Likewise.
10043
10044         * doc/extend.texi: Use @: or add comma where appropriate.
10045         * doc/invoke.texi: Likewise.
10046         * doc/tm.texi: Likewise.
10047
10048 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
10049
10050         PR target/34393
10051         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
10052         to a reg.
10053
10054 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
10055
10056         * doc/md.texi (clz, ctz): Add reference.
10057         * doc/rtl.texi (clz, ctz): Likewise.
10058
10059 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10060
10061         PR other/35148
10062         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
10063         srcdir.
10064
10065 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
10066
10067         * config/s390/s390.c (struct constant_pool): New field
10068         emit_pool_after added.
10069         (s390_mainpool_start): Set the emit_pool_after flag according
10070         to the section switch notes.
10071         (s390_mainpool_finish): Consider emit_pool_after when emitting
10072         the literal pool at the end of the function.
10073         (s390_chunkify_start): Force literal pool splits at section
10074         switch notes.
10075
10076 2008-02-13  Michael Matz  <matz@suse.de>
10077
10078         PR debug/35065
10079         * var-tracking.c (clobber_variable_part): Correctly traverse the
10080         list.
10081
10082 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10083
10084         PR 29673
10085         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
10086         Add -fdump-ipa-inline.
10087         * tree-dump.c (dump_files): Remove tree-inlined dump.
10088         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
10089         
10090 2008-02-12  Richard Guenther  <rguenther@suse.de>
10091
10092         PR tree-optimization/35171
10093         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
10094         default defs.
10095
10096 2008-02-12  Richard Guenther  <rguenther@suse.de>
10097
10098         PR middle-end/35163
10099         * fold-const.c (fold_widened_comparison): Use get_unwidened in
10100         value-preserving mode.  Disallow final truncation.
10101
10102 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
10103
10104         PR middle-end/35136
10105         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
10106         code from here to...
10107         (force_gimple_operand): ...here.
10108
10109 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
10110
10111         PR c++/35144
10112         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
10113         non-compatible pointers.
10114         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
10115         different FIELD_DECLs, try harder by comparing field offsets, sizes
10116         and types.
10117
10118         PR inline-asm/35160
10119         * function.c (match_asm_constraints_1): Don't replace the same input
10120         multiple times.
10121
10122 2008-02-12  Anatoly Sokolov <aesok@post.ru>
10123
10124         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
10125         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
10126         (expand_epilogue): Restore RAMPZ register.
10127         * config/avr/avr.md (RAMPZ_ADDR): New constant.
10128
10129 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
10130
10131         * config/i386/cygwin.asm: (__alloca): Correct calling
10132         convention and alignment.
10133         (__chkstk): Force 8 byte stack alignment.
10134
10135 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
10136             Richard Guenther  <rguenther@suse.de>
10137
10138         PR tree-optimization/33992
10139         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
10140         the zero we compare against.
10141
10142 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
10143
10144         PR libfortran/35063
10145         * gthr-win32.h (__gthread_mutex_destroy_function): New function
10146         to CloseHandle after unlocking to prevent accumulation of handle
10147         count.
10148
10149 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10150
10151         PR middle_end/34150
10152         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
10153         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
10154         and update LABEL_NUSES during and after reload.
10155
10156 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
10157
10158         PR middle-end/34627
10159         * combine.c (simplify_if_then_else): Make sure the comparison is
10160         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
10161
10162 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
10163
10164         PR bootstrap/35051
10165         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
10166         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
10167         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
10168         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
10169         * tree.h (get_type_static_bounds): Likewise.
10170
10171 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10172
10173         * doc/invoke.texi (Option Summary, C++ Dialect Options)
10174         (Objective-C and Objective-C++ Dialect Options, Warning Options):
10175         Make -Wfoo language annotations match what the compiler outputs.
10176
10177 2008-02-08  Sa Liu  <saliu@de.ibm.com>
10178
10179         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
10180         intrinsics spu_convts, spu_convtu, spu_convtf.
10181
10182 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
10183
10184         * doc/extend.texi (Function Attributes) <noinline>: Mention
10185         asm ("") as method to keep calls.
10186
10187 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10188
10189         PR other/32754
10190         * doc/options.texi (Options): Replace references to opts.sh with
10191         optc-gen.awk.
10192         * opts-common.c: Likewise.
10193         * optc-gen.awk: Likewise.
10194         
10195 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
10196
10197         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
10198
10199 2008-02-07  Richard Henderson  <rth@redhat.com>
10200
10201         PR rtl-opt/33410
10202         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
10203         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
10204         funny mode.
10205
10206 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
10207
10208         PR tree-optimization/35085
10209         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
10210         for operand entry oe2 in addition to operand entry oe3 in order to
10211         expose more opportunities for vectorizer sum reduction.
10212
10213 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10214
10215         PR other/35107
10216         * Makefile.in (LIBS): Remove $(GMPLIBS).
10217         (cc1-dummy, cc1): Add $(GMPLIBS).
10218
10219 2008-02-06  Jan Hubicka  <jh@suse.cz>
10220
10221         PR target/23322
10222         * i386.md (moddf_integer): Do not produce partial memory stalls for
10223         targets where it hurts.
10224
10225 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
10226
10227         PR target/35083
10228         * optabs.c (expand_float): Do not check for decimal modes when
10229         expanding unsigned integer through signed conversion.
10230
10231 2008-02-06  Nick Clifton  <nickc@redhat.com>
10232
10233         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
10234         inside the clobber with a match_operand and duplicated operand
10235         number in the constraint.
10236         (ineqbranchsi): Delete redundant comment.
10237
10238 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
10239
10240         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
10241         builtin_define ("__USE_INIT_FINI__").
10242         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
10243         -msx multilibs.
10244         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
10245
10246 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10247
10248         PR documentation/30330
10249         * doc/invoke.texi (C++ Dialect Options)
10250         (Objective-C and Objective-C++ Dialect Options, Warning Options):
10251         For each warning option -Wfoo that allows -Wno-foo, ensure both
10252         -Wfoo and -Wno-foo are listed in the option index.  Fix index
10253         entry of -Wswitch-default, index -Wnormalized= including the
10254         `=', and -Wlarger-than-@var{len} including @var{len}.
10255
10256 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
10257
10258         * config/i386/i386.md (floatunssisf2): Use
10259         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
10260         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
10261         Macroize expander using MODEF mode iterator.
10262
10263 2008-02-05  Diego Novillo  <dnovillo@google.com>
10264
10265         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
10266
10267         PR 33738
10268         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
10269
10270 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10271
10272         PR other/35070
10273         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
10274
10275 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
10276
10277         PR target/35084
10278         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
10279         to indicate if a message should be generated.
10280         (init_cumulative_args): Updated.
10281         (function_value_32): Likewise.
10282
10283 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
10284
10285         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
10286
10287 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
10288
10289         PR target/35083
10290         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
10291         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
10292
10293 2008-02-04  Diego Novillo  <dnovillo@google.com>
10294
10295         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
10296
10297         PR 33738
10298         * tree-vrp.c (vrp_evaluate_conditional): With
10299         -Wtype-limits, emit a warning when comparing against a
10300         constant outside the natural range of OP0's type.
10301
10302 2008-02-04  Richard Guenther  <rguenther@suse.de>
10303
10304         PR middle-end/33631
10305         * expr.c (count_type_elements): Give for unions instead of
10306         guessing.
10307
10308 2008-02-04  Richard Guenther  <rguenther@suse.de>
10309
10310         PR middle-end/35043
10311         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
10312         to TYPE_DOMAINs base type instead of using bitsizetype here.
10313
10314 2008-02-03  Jason Merrill  <jason@redhat.com>
10315
10316         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
10317
10318 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10319
10320         PR other/29972
10321         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
10322         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
10323         (RS/6000 and PowerPC Options): Fix typos and markup.
10324         * doc/passes.texi (Tree-SSA passes): Likewise.
10325
10326 2008-02-02  Michael Matz  <matz@suse.de>
10327
10328         PR target/35045
10329         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
10330         from record_last_reg_set_info.
10331         (record_last_reg_set_info): Take an RTX argument, iterate over all
10332         constituent hardregs.
10333         (record_last_set_info, record_opr_changes): Change calls to
10334         new signature or to record_last_reg_set_info_regno.
10335
10336 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
10337
10338         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
10339
10340 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
10341
10342         PR rtl-optimization/34773
10343         * reg-notes.def (EQUAL): Mention significance of combination of
10344         REG_EQUAL and REG_RETVAL.
10345         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
10346         insn that has a REG_RETVAL.
10347
10348 2008-02-01  Roger Sayle  <roger@eyesopen.com>
10349
10350         PR bootstrap/33781
10351         * configure.ac (--enable-fixed-point): Disable unless explicitly
10352         requested on IRIX.
10353         * configure: Regenerate.
10354
10355 2008-02-01  Richard Guenther  <rguenther@suse.de>
10356
10357         PR other/35042
10358         * invoke.texi (-finline-limit): Remove no longer true parts
10359         of the documentation.  Note that there is no default value.
10360
10361 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
10362             Mark Mitchell  <mark@codesourcery.com>
10363             Ben Elliston  <bje@au.ibm.com>
10364
10365         PR c/29326
10366         * doc/extend.texi (Other Builtins): Document.
10367
10368 2008-01-31  Tom Browder <tom.browder@gmail.com>
10369
10370         * doc/c-tree.texi (Types): Fix grammar.
10371         (Expression trees): Ditto.
10372         * doc/passes.texi (Tree-SSA passes): Ditto.
10373         
10374         * doc/configterms.texi (Configure Terms): Fix typo.
10375         * doc/cpp.texi (Common Predefined Macros): Ditto.
10376         * doc/md.texi (Machine Constraints): Ditto.
10377         
10378         * doc/makefile.texi (Makefile): Add comma.
10379
10380 2008-01-31  Tom Browder  <tom.browder@gmail.com>
10381             Gerald Pfeifer  <gerald@pfeifer.com>
10382         
10383         * doc/sourcebuild.texi (Front End): Remove references to CVS
10384         and CVSROOT/modules.
10385         (Texinfo Manuals): Replace reference to CVS by one to SVN.
10386         (Back End): Remove reference to CVS.
10387
10388 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
10389
10390         PR target/34900
10391         * config/mips/mips.c (gen_load_const_gp): New function, taking a
10392         comment from...
10393         (mips16_gp_pseudo_reg): ...here.
10394         * config/mips/mips.md (load_const_gp): Replace with...
10395         (load_const_gp_<mode>): ...this :P-based insn.
10396
10397 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10398
10399         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
10400         options. Minor fixes.
10401         (-std): Move reference to standards closer to where language
10402         standards are first mentioned.
10403         
10404 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
10405
10406         PR rtl-optimization/34995
10407         * reload.c (alternative_allows_const_pool_ref): Take an rtx
10408         parameter and return a bool.  If the rtx parameter is nonnull,
10409         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
10410         (find_reloads): Update call accordingly.  Pass the new operand
10411         if it needed no address reloads, otherwise pass null.
10412
10413 2008-01-30  Richard Henderson  <rth@redhat.com>
10414
10415         PR c/34993
10416         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
10417         for unbounded arrays.
10418
10419 2008-01-30  Silvius Rus  <rus@google.com>
10420
10421         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
10422
10423 2008-01-30  Jan Hubicka  <jh@suse.cz>
10424
10425         PR target/34982
10426         * i386.c (init_cumulative_args): Use real function declaration when
10427         calling locally.
10428
10429 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
10430
10431         PR rtl-optimization/34998
10432         * global.c (build_insn_chain): Treat non-subreg_lowpart
10433         SUBREGs of pseudos as clobbering all the words covered by the
10434         SUBREG, not just all the bytes.
10435         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
10436         original df_ref rather than an extract parameter.
10437         (global_conflicts): Update call accordingly.
10438
10439 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
10440
10441         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
10442         the overflow check to make it easier to read.
10443         (__fixtfdi): Change the type of the ll member in union
10444         long_double to UDItype_x.
10445
10446 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
10447
10448         PR middle-end/34969
10449         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
10450         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
10451         * tree-inline.c (fold_marked_statements): Call
10452         cgraph_update_edges_for_call_stmt if folding a call statement.
10453         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
10454         debug_generic_stmt calls, reset it back afterwards.
10455
10456         PR c/35017
10457         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
10458         static decls.
10459         * c-typeck.c (build_external_ref): Don't pedwarn about
10460         static vars in current function's scope.
10461
10462 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
10463
10464         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
10465
10466 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
10467
10468         PR c/35002
10469         * ipa-struct-reorg.c: Fix spelling.
10470         * params.def: Ditto.
10471
10472 2008-01-29  Richard Guenther  <rguenther@suse.de>
10473
10474         PR middle-end/35006
10475         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
10476         field.
10477         * tree-inline.c (remap_type): Increment remapping_type_depth
10478         around remapping types.
10479         (copy_body_r): Only add referenced variables if they are referenced
10480         from code, not types.
10481
10482 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
10483
10484         PR c++/34055
10485         PR c++/34103
10486         PR c++/34219
10487         PR c++/34606
10488         PR c++/34753
10489         PR c++/34754
10490         PR c++/34755
10491         PR c++/34919
10492         PR c++/34961
10493         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
10494         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
10495
10496 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
10497
10498         PR target/34412
10499         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
10500         pointer for tiny stack.
10501
10502 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
10503
10504         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
10505
10506 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
10507
10508         * config/vx-common.h: Fix typo in comment.
10509
10510 2008-01-28  Ian Lance Taylor  <iant@google.com>
10511
10512         PR c++/34862
10513         PR c++/33407
10514         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
10515         coalesce pointers if they have different DECL_NO_TBAA_P values.
10516         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
10517         between variables with different DECL_NO_TBAA_P values.
10518
10519 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
10520
10521         PR 31535
10522         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
10523         are not legitimate small data references on SPE targets.
10524
10525 2008-01-28  David Daney  <ddaney@avtrex.com>
10526
10527         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
10528
10529 2008-01-28  David Daney  <ddaney@avtrex.com>
10530
10531         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
10532
10533 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
10534
10535         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
10536         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
10537         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
10538         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
10539         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
10540         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
10541         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
10542         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
10543
10544 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
10545
10546         * basic-block.h (condjump_equiv_p): Fix comment.
10547
10548 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
10549
10550         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
10551         print_generic_stmt_indented): Fix comment.
10552
10553 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
10554
10555         * configure.ac (__stack_chk_fail): Add detecion for availability
10556         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
10557         * configure: Regenerate.
10558
10559 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
10560
10561         PR middle-end/34688
10562         * final.c (output_addr_const): Handle TRUNCATE.
10563
10564 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
10565
10566         PR target/34711
10567         * tree-ssa-loop-ivopts.c (comp_cost): New type.
10568         (zero_cost, infinite_cost): New constants.
10569         (struct cost_pair): Change type of cost to comp_cost.
10570         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
10571         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
10572         New functions.
10573         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
10574         split_address_cost, ptr_difference_cost, difference_cost,
10575         get_computation_cost_at, get_computation_cost,
10576         determine_use_iv_cost_generic, determine_use_iv_cost_address,
10577         determine_use_iv_cost_condition, determine_use_iv_costs,
10578         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
10579         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
10580         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
10581         Change type of cost to comp_cost.
10582         (determine_iv_cost): Increase cost of non-original ivs, instead
10583         of decreasing the cost of original ones.
10584         (get_address_cost): Indicate the complexity of the addressing mode 
10585         in comp_cost.
10586         (try_add_cand_for): Prefer using ivs not specific to some object.
10587         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
10588
10589 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
10590             Janis Johnson  <janis187@us.ibm.com>
10591
10592         PR target/34814
10593         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
10594         (TARGET_INSTANTIATE_DECLS): Likewise.
10595         * target.h (expand_to_rtl_hook): New target hook.
10596         (instantiate_decls): Likewise.
10597         * function.c (instantiate_decl): Make non-static.  Rename to...
10598         (instantiate_decl_rtl): ... this.
10599         (instantiate_expr): Use instantiate_decl_rtl.
10600         (instantiate_decls_1): Likewise.
10601         (instantiate_decls): Likewise.
10602         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
10603         * function.h (instantiate_decl_rtl): Add prototype.
10604         * cfgexpand.c (target.h): New include.
10605         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
10606         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
10607         (TARGET_INSTANTIATE_DECLS): Likewise.
10608         (TARGET_INITIALIZER): New target hooks added.
10609         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
10610         New prototype.
10611         * config/rs6000/rs6000.c (tree-flow.h): New include.
10612         (machine_function): Add sdmode_stack_slot field.
10613         (rs6000_alloc_sdmode_stack_slot): New function.
10614         (rs6000_instantiate_decls): Likewise.
10615         (rs6000_secondary_memory_needed_rtx): Likewise.
10616         (rs6000_check_sdmode): Likewise.
10617         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
10618         (TARGET_INSTANTIATE_DECLS): Likewise.
10619         (rs6000_hard_regno_mode_ok): Allow SDmode.
10620         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
10621         (rs6000_emit_move): Handle SDmode.
10622         (function_arg_advance): Likewise.
10623         (function_arg): Likewise.
10624         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
10625         SDmode var args for 32-bit compiles.
10626         (rs6000_secondary_reload_class): Handle SDmode.
10627         (rs6000_output_function_epilogue): Likewise.
10628         (rs6000_function_value): Simplify if statement.
10629         (rs6000_libcall_value): Likewise.
10630         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
10631         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
10632         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
10633         (movsd_hardfloat): New define_insn.
10634         (movsd_softfloat): Likewise.
10635         (movsd_store): Likewise.
10636         (movsd_load): Likewise.
10637         (extendsddd2): Likewise.
10638         (extendsdtd2): Likewise.
10639         (truncddsd2): Likewise.
10640         (movdd_hardfloat64): Fixup comment.
10641         (UNSPEC_MOVSD_LOAD): New constant.
10642         (UNSPEC_MOVSD_STORE): Likewise.
10643
10644 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
10645
10646         PR c++/34965
10647         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
10648         TRUTH_XOR_EXPR.
10649         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
10650         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
10651         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
10652         and TRUTH_XOR_EXPR.
10653
10654 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
10655
10656         PR target/34794
10657         * config.gcc: Separate AIX 5.3 from AIX 6.1.
10658         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10659         __LONGDOUBLE128 too.
10660         * config/rs6000/aix61.h: New file.
10661
10662 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
10663
10664         PR rtl-optimization/34959
10665         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
10666         popcount and parity rtxes the same mode as their operand.
10667         Truncate or extend the result to the return value's mode
10668         if necessary.
10669
10670 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
10671
10672         PR target/34981
10673         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
10674         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
10675         to GOT_VERSION_REGNUM.
10676         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
10677         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
10678         * config/mips/mips.c (mips_emit_call_insn): New function.
10679         (mips_call_tls_get_addr): Call mips_expand_call directly.
10680         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
10681         emit_call_insn.
10682         (mips16_build_call_stub): Likewise.  Return the call insn or null.
10683         (mips_expand_call): Update the call to mips16_build_call_stub
10684         accordingly and a remove redundant condition.  Assert that MIPS16
10685         stubs do not use lazy binding.  Use mips_emit_call_insn and return
10686         the call insn.
10687         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
10688         TARGET_USE_GOT.
10689         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
10690         (mips_avoid_hazard): Remove hazard_set handling.
10691         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
10692         (UNSPEC_RESTORE_GP): ...this.
10693         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
10694         (FAKE_CALL_REGNO): Rename to...
10695         (GOT_VERSION_REGNUM): ...this.
10696         (type): Add "ghost" value.  Add an associated insn reservation.
10697         (hazard_set): Remove.
10698         (exception_receiver): Rename to...
10699         (restore_gp): ...this and update the unspec identifier accordingly.
10700         (exception_receiver, nonlocal_got_receiver): New expanders.
10701         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
10702         FAKE_CALL_REGNO.  Remove hazard_set attribute.
10703         (set_got_version, update_got_version): New patterns.
10704
10705 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
10706
10707         PR target/34970
10708         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
10709
10710 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
10711
10712         PR other/31955
10713         * doc/install.texi2html: Generate gcc-vers.texi.
10714
10715 2008-01-25  DJ Delorie  <dj@redhat.com>
10716
10717         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
10718
10719 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
10720
10721         * config/c4x: Remove directory.
10722         * config.gcc (crx-*, mt-*): Mark obsolete.
10723         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
10724         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
10725         sh-*-rtemscoff*): Remove cases.
10726         * defaults.h (C4X_FLOAT_FORMAT): Remove.
10727         * real.c (encode_c4x_single, decode_c4x_single,
10728         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
10729         c4x_extended_format): Remove.
10730         * real.h (c4x_single_format, c4x_extended_format): Remove.
10731         * doc/extend.texi (interrupt, naked): Remove mention of attributes
10732         on C4x.
10733         (Pragmas): Remove comment about c4x pragmas.
10734         * doc/install.texi (c4x): Remove target-specific instructions.
10735         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
10736         * doc/md.texi (Machine Constraints): Remove C4x documentation.
10737         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
10738         refer to C4x source files as examples.
10739         (C4X_FLOAT_FORMAT): Remove documentation.
10740
10741 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
10742
10743         * config/bfin/bfin.c (override_options): Reorder tests so that
10744         flag_pic gets enabled for -msep-data.
10745
10746 2008-01-25  Richard Guenther  <rguenther@suse.de>
10747
10748         PR middle-end/32244
10749         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
10750         to its bitfield precision if required.
10751
10752 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
10753
10754         PR middle-end/33880
10755         * tree-nested.c (walk_omp_for): New function.
10756         (convert_nonlocal_reference, convert_local_reference): Call
10757         walk_omp_for on OMP_FOR.
10758         (convert_call_expr): Call walk_body on OMP_FOR's
10759         OMP_FOR_PRE_INIT_BODY.
10760
10761 2008-01-25  Richard Guenther  <rguenther@suse.de>
10762
10763         PR tree-optimization/34966
10764         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
10765         default defs and PHI_NODEs we have to insert after the
10766         defining statement.
10767
10768 2008-01-24  Nick Clifton  <nickc@redhat.com>
10769
10770         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
10771         Provide a default definition.
10772         (LIBGCC2_UNITS_PER_WORD): Likewise.
10773
10774         * config/stormy16/stormy16.c: Include df.h for the prototype
10775         for df_regs_ever_live_p.
10776         (xstormy16_expand_builtin_va_start): Convert the stack offset
10777         into a component_ref and then use POINTER_PLUS_EXPR to add it
10778         to the incoming_virtual_args_rtx.
10779         (xstormy16_gimplify_va_arg_expr): Rename to
10780         xstormy16_gimplify_va_arg_expr.
10781         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
10782         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
10783         xstormy16_gimplify_va_arg_expr.
10784         Fix up some formatting issues.
10785
10786         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
10787         Move to predicates.md.
10788         (xs_hi_general_operand): Likewise.
10789         (xs_hi_nonmemory_operand): Likewise.
10790         * config/stormy16/predicates.md:
10791         (xstormy16_carry_plus_operand): New predicate.
10792         (xs_hi_general_operand): New predicate.
10793         (xs_hi_nonmemory_operand): New predicate.
10794         * config/stormy16/stormy16-protos.h:
10795         (xstormy16_carry_plus_operand): Delete prototype.
10796         (xs_hi_general_operand): Likewise.
10797         (xs_hi_nonmemory_operand): Likewise.
10798
10799         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
10800         modifiers as they are no longer needed and they can trigger
10801         reload spill failures.
10802
10803         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
10804         with a match_operand in order to help reload.
10805
10806         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
10807         constraint with 'e' for the 8th alternative as this version of
10808         the mov.w instruction only accepts the lower 8 registers.
10809
10810 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
10811
10812         PR target/34856
10813         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
10814         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
10815         vector elements.
10816
10817 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
10818
10819         PR middle-end/33333
10820         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
10821
10822 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
10823
10824         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
10825         New functions.
10826         (remove_structure): Update allocations list before removing structure.
10827         
10828 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
10829
10830         * ipa-struct-reorg.c (is_safe_cond_expr, 
10831         create_new_stmts_for_cond_expr): Use integer_zerop function,
10832         that recognize not only zero-pointer, but zero-integer too.
10833
10834 2008-01-25  Ben Elliston  <bje@au.ibm.com>
10835
10836         PR other/22232
10837         * fixproto: Escape "." in sed expression that strips leading "./".
10838
10839 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10840
10841         PR driver/34904
10842         * gcc.c (SWITCH_OK): Removed.
10843         (SWITCH_LIVE): Changed to bit.
10844         (SWITCH_FALSE): Likewise.
10845         (SWITCH_IGNORE): Likewise.
10846         (switchstr): Change live_cond to unsigned int.
10847         (process_command): Replace SWITCH_OK with 0.
10848         (do_self_spec): Likewise.
10849         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
10850         (give_switch): Likewise.
10851         (used_arg): Likewise.
10852         (do_spec_1): Set the SWITCH_IGNORE bit.
10853         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
10854         bits.  Set the SWITCH_LIVE bit.
10855
10856 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10857
10858         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
10859
10860 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
10861
10862         PR tree-optimization/34472
10863         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
10864         parameter to a "bool *" and set *DATA to false if there is
10865         an unsafe access.  Do not delete the structure here.
10866         (check_cond_exprs): Delete it here instead.
10867         (check_cond_exprs, exclude_cold_structs): Do not increase
10868         I when removing a structure.
10869
10870 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
10871
10872         PR target/34856
10873         * config/i386/i386.c (ix86_expand_vector_init): Consider only
10874         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
10875
10876 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
10877
10878         PR middle-end/34934
10879         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
10880         a fixed vector for stack.
10881
10882 2008-01-24  Ben Elliston  <bje@au.ibm.com>
10883
10884         PR c++/25701
10885         * doc/gcc.texi (Software development): Add a direntry for g++.
10886         
10887 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
10888
10889         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
10890         stale and straggling -fforce-addr comments above.
10891
10892         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
10893         define.
10894         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
10895         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
10896
10897 2008-01-23  Michael Matz  <matz@suse.de>
10898
10899         PR debug/34895
10900         * dwarf2out.c (force_type_die): Use modified_type_die instead of
10901         gen_type_die.
10902
10903 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
10904
10905         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
10906         malloc result type.
10907
10908 2008-01-23 Anatoly Sokolov <aesok@post.ru>
10909
10910         * config/avr/avr.c (avr_current_arch): New variable.
10911         (avr_arch_types): Add 'avr31' and 'avr51' entries.
10912         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
10913         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
10914         (avr_override_options): Init 'avr_current_arch'. 
10915         (base_arch_s): Move from here...
10916         * config/avr/avr.h (base_arch_s): ... here. Add new members 
10917         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
10918         'mega' to 'have_jmp_call'.
10919         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
10920         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
10921         macros.
10922         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
10923         architectures.
10924         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
10925         MULTILIB_MATCHES): (Ditto.).
10926
10927 2008-01-23  Richard Guenther  <rguenther@suse.de>
10928
10929         PR middle-end/31529
10930         * cgraphunit.c (cgraph_reset_node): Always mark the node
10931         not reachable if it is not queued already.
10932
10933 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
10934
10935         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
10936         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
10937         (cputype_selected): New static variable.
10938         (bfin_handle_option): Set it if -mcpu is used.
10939         (override_option): Select default set of workarounds if no cpu type
10940         selected on the command line.
10941         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
10942
10943         From  Michael Frysinger  <michael.frysinger@analog.com>
10944         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
10945         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
10946
10947         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
10948         for bf547, bf523, bf524, and bf526.
10949         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
10950         bf526.
10951         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
10952         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
10953         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
10954         __ADSPBF547__ and __ADSPBF54x__ for bf547.
10955         * doc/invoke.texi (Blackfin Options): Document that
10956         -mcpu now accept bf547, bf523, bf524, and bf526.
10957
10958 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
10959
10960         PR rtl-optimization/34628
10961         * combine.c (try_combine): Stop and undo after the first combination
10962         if an autoincrement side-effect on the first insn has effectively
10963         been lost.
10964
10965 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
10966
10967         PR target/34529
10968         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
10969         Offset addresses are not valid for Altivec or paired float modes.
10970
10971 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
10972
10973         PR c++/34607
10974         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
10975         if DECL_INITIAL (decl) is error_mark_node.
10976
10977         PR c++/34914
10978         * c-common.c (handle_vector_size_attribute): Only allow
10979         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
10980         the same way as pointer, array etc. types.
10981         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
10982
10983         PR c++/34917
10984         * tree.c (build_type_attribute_qual_variant): Call
10985         build_qualified_type if attributes are equal, but quals are not.
10986
10987 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10988
10989         PR 32102
10990         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
10991         * flags.h (warn_strict_aliasing): Remove.
10992         (warn_strict_overflow): Remove.
10993         * opts.c (warn_strict_aliasing): Remove.
10994         (warn_strict_overflow): Remove.
10995         * c-opts.c (c_common_handle_option): -Wall only sets
10996         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
10997         (c_common_post_options): Give default values to -Wstrict-aliasing
10998         and -Wstrict-overflow if they are uninitialized.
10999         * common.opt (Wstrict-aliasing): Specify Var and Init.
11000         (Wstrict-overflow): Likewise.
11001
11002 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
11003
11004         PR rtl-optimization/26854
11005         PR rtl-optimization/34400
11006         PR rtl-optimization/34884
11007         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
11008         DF_RD->gen.
11009         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
11010         (df_rd_bb_info.expanded_lr_out): Deleted
11011         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
11012         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
11013         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
11014         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
11015         Removed code to allocate, initialize or free expanded_lr_out.
11016         (df_rd_bb_local_compute_process_def): Restructured to make more
11017         understandable.
11018         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
11019         sets if the sets are being trimmed.
11020
11021 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11022
11023         PR bootstrap/32287
11024         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
11025         (as_vers): Likewise.
11026         * configure: Regenerated.
11027
11028 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11029
11030         PR middle-end/33092
11031         * tree-pass.h (pass_build_alias): New pass.
11032         * tree-ssa-alias.c (gate_build_alias): New.
11033         (pass_build_alias): New.
11034         * passes.c (init_optimization_passes): Add pass_build_alias after
11035         pass_create_structure_vars.
11036
11037 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
11038
11039         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
11040         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
11041         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
11042         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
11043         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
11044         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
11045         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
11046         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
11047         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
11048         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
11049         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
11050         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
11051         * config/s390/s390.md (FP_ALL): New mode iterator.
11052         (_d): New mode attribute.
11053         ("*signbit<mode>2>"): Changed mode of first operand.
11054         ("isinf<mode>2"): Changed mode of first operand.
11055         ("*TDC_insn"): Adaptation for DFP modes.
11056
11057 2008-01-22  Ben Elliston  <bje@au.ibm.com>
11058
11059         * tree.c (check_qualified_type): Improve function description.
11060
11061 2008-01-21  Jason Merrill  <jason@redhat.com>
11062
11063         PR c++/34196
11064         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
11065         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
11066         if it is set.
11067
11068 2008-01-21  DJ Delorie  <dj@redhat.com>
11069
11070         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
11071         return zero.
11072
11073 2008-01-21  Richard Guenther  <rguenther@suse.de>
11074
11075         PR middle-end/34856
11076         * tree-cfg.c (verify_expr): Allow all invariant expressions
11077         instead of just constant class ones as reference argument.
11078         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
11079         like any other constant.
11080         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
11081
11082 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
11083
11084         * regmove.c (fixup_match_1): Update call crossed frequencies.
11085
11086 2008-01-21  Richard Guenther  <rguenther@suse.de>
11087
11088         PR c/34885
11089         * tree-inline.c (setup_one_parameter): Deal with mismatched
11090         types using a VIEW_CONVERT_EXPR.
11091
11092 2008-01-21  Alon Dayan  <alond@il.ibm.com>
11093             Olga Golovanevsky  <olga@il.ibm.com>
11094         
11095         PR tree-optimization/34701
11096         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
11097         when the structure size is not a power of 2.
11098
11099 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
11100
11101         * doc/install.texi: Add doc for --enable-checking=df.
11102         
11103 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11104
11105         PR rtl-optimization/34808
11106         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
11107
11108 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
11109
11110         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
11111         input.
11112
11113 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
11114
11115         PR rtl-optimization/26854
11116         PR rtl-optimization/34400
11117         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
11118         DF_RD->gen.
11119         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
11120         (df_rd_bb_info.expanded_lr_out): New.
11121         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
11122         * loop_iv.c (iv_analysis_loop_init): Ditto.
11123         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
11124         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
11125         Added code to allocate, initialize or free expanded_lr_out.
11126         (df_rd_bb_local_compute_process_def): Restructured to make
11127         more understandable.
11128         (df_rd_confluence_n): Add code to do nothing with fake edges and
11129         code to no apply invalidate_by_call sets if the sets are being trimmed.
11130         (df_lr_local_finalize): Renamed to df_lr_finalize.
11131         (df_live_local_finalize): Renamed to df_live_finalize.
11132
11133 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
11134
11135         PR target/34831
11136         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
11137         deciding whether to use reciprocal instructions.
11138
11139 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
11140
11141         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
11142         dwarf2out_note_section_used if cold_text_section is NULL.
11143
11144 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
11145
11146         PR gcov-profile/34610
11147         * tree-cfg.c (make_edges): Mark both outgoing edges from
11148         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
11149         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
11150         from OMP_FOR and OMP_CONTINUE outgoing edges.
11151
11152         * tree-profile.c (tree_profiling): Return early if
11153         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
11154         at the end.
11155         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
11156         from cfun to child_cfun.
11157         * function.h (struct function): Add after_tree_profile bit.
11158
11159 2008-01-19 Anatoly Sokolov <aesok@post.ru>
11160
11161         * config/avr/avr.S (_exit): Disable interrupt.
11162
11163 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
11164             Steven Bosscher  <stevenb.gcc@gmail.com>
11165
11166         PR rtl-optimization/26854
11167         PR rtl-optimization/34400
11168         * df-problems.c (df_live_scratch): New scratch bitmap.
11169         (df_live_alloc): Allocate df_live_scratch when doing df_live.
11170         (df_live_reset): Clear the proper bitmaps.
11171         (df_live_bb_local_compute): Only process the artificial defs once
11172         since the order is not important.
11173         (df_live_init): Init the df_live sets only with the variables
11174         found live by df_lr.
11175         (df_live_transfer_function): Use the df_lr sets to prune the
11176         df_live sets as they are being computed.  
11177         (df_live_free): Free df_live_scratch.
11178
11179 2008-01-18  Ian Lance Taylor  <iant@google.com>
11180
11181         * common.opt: Add fmerge-debug-strings.
11182         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
11183         flag_merge_debug_strings rather than flag_merge_constants.
11184         * doc/invoke.texi (Option Summary): Mention
11185         -fmerge-debug-strings.
11186         (Debugging Options): Document -fmerge-debug-strings.
11187
11188 2008-01-18  Ian Lance Taylor  <iant@google.com>
11189
11190         PR c++/33407
11191         * tree.h (DECL_IS_OPERATOR_NEW): Define.
11192         (struct tree_function_decl): Add new field operator_new_flag.
11193         * tree-inline.c (expand_call_inline): When inlining a call to
11194         operator new, force the return value to go into a variable, and
11195         set DECL_NO_TBAA_P on that variable.
11196         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
11197
11198 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
11199
11200         PR debug/34484
11201         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
11202         DWARF2_DEBUGGING_INFO.
11203         (dwarf2out_note_section_used): Ditto.  Add prototype.
11204         (have_multiple_function_sections, text_section_used,
11205         cold_text_section_used, *cold_text_sections): Move declarations
11206         before their uses.
11207
11208 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
11209
11210         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
11211         field and add signal_ra.
11212         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
11213         assignments to frame state pc.  Move end of stack check after
11214         MD_FALLBACK_FRAME_STATE_FOR.
11215         (uw_update_context_1): Use frame state signal_regs if set, instead
11216         of checking signal_frame flag.
11217         (uw_update_context): Use frame state signal_ra if set.
11218         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
11219         * config/xtensa/linux-unwind.h: New file.
11220
11221 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
11222
11223         * modulo-sched.c (get_sched_window): Fix comment typo.
11224
11225 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
11226
11227         PR tree-optimization/34648
11228         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
11229
11230 2008-01-17  Anatoly Sokolov <aesok@post.ru>
11231
11232         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
11233         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
11234
11235 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
11236
11237         PR rtl-optimization/34400
11238         * df-core.c (df_worklist_dataflow_overeager,
11239         df_worklist_dataflow_doublequeue): New functions.
11240         (df_worklist_dataflow): Two different worklist solvers.
11241         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
11242         New param.
11243
11244 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11245
11246         PR testsuite/34821
11247         * doc/invoke.texi: Document the dependence on pthread for fopenmp
11248         and ftree-parallelize-loops.
11249
11250 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
11251
11252         PR rtl-optimization/34826
11253         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
11254
11255 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
11256
11257         * global.c (find_reg): Mark the eh regs as used if necessary.
11258         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
11259         * ra.h (struct allocno): no_eh_reg field added.  Changed
11260         no_stack_reg type to bitfield.
11261
11262 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
11263
11264         * tree.c (substitute_in_expr): Add missing 'break'.
11265
11266 2008-01-17  Richard Guenther  <rguenther@suse.de>
11267
11268         PR tree-optimization/34825
11269         * tree-ssa-math-opts.c (is_division_by): Do not recognize
11270         x / x as division to handle.
11271
11272 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11273
11274         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
11275         "-pthread" is specified.
11276         * pa-hpux11.h (LIB_SPEC): Likewise.
11277
11278 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
11279             Peter Bergner  <bergner@vnet.ibm.com>
11280
11281         PR rtl-optimization/33796
11282         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
11283
11284 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11285
11286         PR libgfortran/34699
11287         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
11288         static links.
11289         * pa-hpux10.h (LINK_SPEC): Likewise.
11290         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
11291
11292 2008-01-16  Richard Guenther  <rguenther@suse.de>
11293
11294         PR middle-end/32628
11295         * fold-const.c (fold_convert_const_int_from_int): Do not
11296         set overflow if that occured only because of a sign extension
11297         change when converting from/to a sizetype with the same
11298         precision and signedness.
11299
11300 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
11301
11302         PR debug/34249
11303         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
11304         location address to the correct place.  Update copyright year.
11305
11306 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11307
11308         * lambda-code.c (lambda_transform_legal_p): Handle the case of
11309         no dependences in the dependence_relations vector.
11310
11311 2008-01-16  Jan Hubicka  <jh@suse.cz>
11312
11313         PR rtl-optimization/31396
11314         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
11315         * cfg.c (dump_reg_info): Print it.
11316         * regs.h (struct reg_info_t): add freq_calls_crossed.
11317         (REG_FREQ_CALLS_CROSSED): New macro.
11318         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
11319         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
11320         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
11321         regmove_optimize): Update call crossed frequencies.
11322         * local-alloc.c (struct qty): Add freq_calls_crossed.
11323         (alloc_qty): Copute freq_calls_crossed.
11324         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
11325         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
11326         * ra.h (struct allocno): Add freq_calls_crossed.
11327
11328 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11329
11330         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
11331         libgomp when compiling with ftree-parallelize-loops.
11332         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
11333
11334 2008-01-16  Richard Guenther  <rguenther@suse.de>
11335
11336         PR tree-optimization/34769
11337         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
11338         * tree.c (int_cst_value): Instead make this function more
11339         permissive in what it accepts as valid input.  Document this
11340         function always sign-extends the value.
11341
11342 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
11343             Richard Guenther  <rguenther@suse.de>
11344
11345         PR c/34668
11346         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
11347         (gimple_fold_indirect_ref_rhs): ... this.
11348         (gimple_fold_indirect_ref): New function with foldings
11349         that preserve lvalueness.
11350         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
11351         * tree-flow.h (gimple_fold_indirect_ref): Declare.
11352         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
11353         to fold an INDIRECT_REF, fall back to the old use of
11354         fold_indirect_ref_1.
11355
11356 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11357
11358         * tree-data-ref.c (subscript_dependence_tester_1): Call 
11359         free_conflict_function.
11360         (compute_self_dependence): Same.
11361
11362 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
11363
11364         PR debug/34249
11365         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
11366         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
11367         function global.
11368         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
11369         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
11370         for DWARF2_UNWIND_INFO targets.
11371
11372 2008-01-16  Richard Guenther  <rguenther@suse.de>
11373
11374         PR c/34768
11375         * c-typeck.c (common_pointer_type): Do not merge inconsistent
11376         type qualifiers for function types.
11377
11378 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
11379
11380         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
11381         loop_iterator li from previous commit.
11382
11383 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11384
11385         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
11386
11387 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
11388
11389         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
11390         (parallelize_loops): Don't parallelize irreducible components.
11391
11392 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11393
11394         PR c++/24924
11395         * c-opts (c_common_post_options): Do not enable CPP
11396         flag_pedantic_errors by default.
11397         
11398 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
11399
11400         PR rtl-optimization/31944
11401         * cse.c (remove_pseudo_from_table): New function.
11402         (merge_equiv_classes): Use above function to remove pseudo-registers.
11403         (invalidate): Likewise.
11404
11405 2008-01-13  Richard Guenther  <rguenther@suse.de>
11406
11407         PR middle-end/34601
11408         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
11409         instead of TYPE_MODE to deal with calls from expand_one_error_var.
11410
11411 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
11412
11413         * gcse.c (cprop_jump): Call validate_unshare_change instead of
11414         validate_change to unshare the source of the PC set.
11415
11416 2008-01-12  Jan Hubicka  <jh@suse.cz>
11417
11418         PR middle-end/32135
11419         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
11420         references above array bounds.  This might trigger bounds checks for
11421         pointers to arrays.
11422
11423 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
11424
11425         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
11426         new_replaceable_dependencies.
11427
11428 2008-01-12  Doug Kwan  <dougkwan@google.com>
11429
11430         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
11431         instead of OPT_Wreturn_type in warning due to ignored return type
11432         qualifiers.
11433         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
11434         options included in -Wextra.
11435         * c.opt: New option -Wignored_qualifiers.
11436         * doc/invoke.texi (Warning Options, -Wextra): Add new option
11437         -Wignore_qualifiers.
11438         (-Wignored-qualifiers): Document.
11439         (-Wreturn-type): Remove description of functionality now handled
11440         by -Wignored-qualifiers.
11441
11442 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
11443
11444         PR ada/33788
11445         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
11446         NOP_EXPR if it is between integral types with the same precision.
11447
11448 2008-01-12  Jan Hubicka  <jh@suse.cz>
11449
11450         PR other/28023
11451         * invoke.texi (max-inline-recursive-depth): Fix default value.
11452
11453 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
11454
11455         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
11456         correct type.
11457
11458 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
11459         
11460         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
11461         
11462 2008-01-11  James E. Wilson  <wilson@specifix.com>
11463
11464         PR target/26015
11465         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
11466
11467 2008-01-11  Anatoly Sokolov <aesok@post.ru>
11468
11469         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
11470         save/restore frame pointer register and don't use 'call-prologues' 
11471         optimization in function with "OS_task" attribute.
11472
11473 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
11474
11475         PR middle-end/31309
11476         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
11477         when copying to memory.
11478
11479 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
11480
11481         PR rtl-optimization/30905
11482         * cfgcleanup.c: Include dce.h
11483         (crossjumps_occured): New global variable.
11484         (try_crossjump_bb): Exit loop after finding a fallthru edge.
11485         If something changed, set crossjumps_occured to true.
11486         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
11487         Don't add/remove fake edges to exit here...
11488         (cleanup_cfg): ...but do it here, when crossjumping.
11489         Run a fast DCE when successful crossjumps occured in the latest
11490         iteration of try_optimize_cfg.
11491
11492 2008-01-11  Richard Guenther  <rguenther@suse.de>
11493
11494         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
11495         (struct vn_unary_op_s): Likewise.
11496         (vn_reference_insert): Free old reference on hash collision.
11497
11498 2008-01-10  Raksit Ashok  <raksit@google.com>
11499
11500         PR rtl-optimization/27971
11501         * combine.c (find_split_point): Split PLUS expressions which are
11502         inside a MEM rtx, and whose first operand is complex.
11503
11504 2008-01-10  DJ Delorie  <dj@redhat.com>
11505
11506         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
11507         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
11508         (m32c_hard_regno_ok): Call the underlying function.
11509
11510 2008-01-10  Richard Guenther  <rguenther@suse.de>
11511
11512         PR middle-end/34683
11513         * tree-cfg.c (tree_merge_blocks): Do not go through the
11514         full-blown folding and stmt updating path if we just deal
11515         with virtual operands.
11516         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
11517         test for abnormal SSA_NAMEs.
11518
11519 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
11520
11521         PR middle-end/34641
11522         * reload.c (push_reload): Add assertions.  All constants from
11523         reg_equiv_constant should have been used for replacing the respective
11524         pseudo earlier.
11525         (find_reloads_address): Invoke find_reloads_address_part for
11526         constant taken from the reg_equiv_constant array.
11527
11528 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
11529
11530         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
11531         field (valnum) the first in the struct.  Replace bools with
11532         unit bit fields.
11533
11534 2008-01-10  Richard Guenther  <rguenther@suse.de>
11535
11536         PR tree-optimization/34651
11537         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
11538         types and ordering for masking and converting.
11539
11540 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
11541
11542         PR tree-optimization/34017
11543         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
11544         also for PHI_NODE expressions.
11545
11546 2008-01-09  Jan Hubicka  <jh@suse.cz>
11547
11548         PR tree-optimization/34708
11549         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
11550         based on number of case labels.
11551         (init_inline_once): Remove switch_cost.
11552         * tree-inline.h (eni_weights_d): Remove switch_cost.
11553
11554 2008-01-09  Richard Guenther  <rguenther@suse.de>
11555         Andrew Pinski  <andrew_pinski@playstation.sony.com>
11556
11557         PR middle-end/30132
11558         * gimplify.c (gimplify_cond_expr): Do not create an addressable
11559         temporary if an rvalue is ok or an lvalue is not required.
11560
11561 2008-01-09  Richard Guenther  <rguenther@suse.de>
11562
11563         PR middle-end/34458
11564         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
11565         adjust return type.
11566
11567 2008-01-09  Richard Guenther  <rguenther@suse.de>
11568
11569         PR middle-end/34679
11570         * tree.c (host_integerp): Check for sizetype only if the
11571         type is an integer type.
11572
11573 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
11574
11575         PR debug/26364
11576         * opts.c (decode_options): Disable inlining of functions called
11577         once if not in unit-at-a-time mode.
11578
11579 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
11580
11581         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
11582
11583 2008-01-08  Richard Guenther  <rguenther@suse.de>
11584
11585         PR middle-end/31863
11586         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
11587         out early if the result will be unused.
11588
11589 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
11590
11591         PR target/34709
11592         Revert:
11593
11594         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
11595         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
11596         for TARGET_RECIP.       
11597         
11598 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
11599         
11600         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
11601         for vectorization tuned.
11602         
11603 2008-01-08  Richard Guenther  <rguenther@suse.de>
11604
11605         PR tree-optimization/34683
11606         * tree-ssa-operands.c (operand_build_cmp): Export.
11607         * tree-ssa-operands.h (operand_build_cmp): Declare.
11608         * tree-vn.c (vuses_compare): Remove.
11609         (sort_vuses): Use operand_build_cmp.
11610         (sort_vuses_heap): Likewise.
11611         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
11612         to re-use old VEC if available.  Do not sort already sorted VUSEs.
11613         (vdefs_to_vec): Do not sort already sorted VDEFs.
11614
11615 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
11616
11617         PR middle-end/34694
11618         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
11619
11620 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
11621
11622         PR target/34702
11623         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
11624         limitations of reciprocal sequences on x86 targets.
11625
11626 2008-01-08  Richard Guenther  <rguenther@suse.de>
11627
11628         PR tree-optimization/34683
11629         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
11630
11631 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
11632
11633         PR target/34622
11634         * config/darwin.c (darwin_mergeable_string_section): Don't use
11635         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
11636
11637 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
11638
11639         PR target/34682
11640         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
11641         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
11642         predicates of op0 and op1 to register_operand.
11643         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
11644         expander using X87MODEF mode iterator.  Change predicates of
11645         op0 and op1 to register_operand.
11646         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
11647         corresponding patterns and macroize using MODEF macro.  Change
11648         predicates of op0 and op1 to register_operand and remove
11649         "m" constraint. Disparage "r" alternative with "!".
11650         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
11651         macroize using X87MODEF macro.  Change predicates of op0 and op1
11652         to register_operand and remove "m" constraint.  Disparage "r"
11653         alternative with "!".
11654         (absneg splitter with memory operands): Remove.
11655         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
11656         patterns and macroize using X87MODEF mode iterator.
11657         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
11658         Change predicate of op1 to register_operand.
11659         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
11660         for memory operands.
11661
11662 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11663
11664         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
11665
11666 2008-01-07  Richard Guenther  <rguenther@suse.de>
11667
11668         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
11669         fields.
11670
11671 2008-01-07  Richard Guenther  <rguenther@suse.de>
11672
11673         PR tree-optimization/34683
11674         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
11675         VOPs of the needed size to save memory.  Use VEC_quick_push
11676         to save compile-time.
11677         (vdefs_to_vec): Likewise.
11678
11679 2008-01-07  Sa Liu  <saliu@de.ibm.com>
11680
11681         * config/spu/spu.md (divdf3): Genetate inline code for double
11682         division.  The implementation doesn't handle INF or NAN, therefore it
11683         only applies when -ffinite-math-only is given.
11684
11685 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
11686
11687         PR libstdc++/34680
11688         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
11689         * doc/cpp.texi ([Common Predefined Macros]): Document.
11690
11691 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
11692
11693         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
11694         order to use commutative addition instead of subtraction.
11695
11696 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11697             Mircea Namolaru  <namolaru@il.ibm.com>
11698             Vladimir Yanovsky  <yanov@il.ibm.com>
11699             Revital Eres  <eres@il.ibm.com>
11700
11701         PR tree-optimization/34263
11702         * tree-outof-ssa.c (process_single_block_loop_latch,
11703         contains_tree_r): New functions.
11704         (analyze_edges_for_bb): Call process_single_block_loop_latch
11705         function to empty single-basic-block latch block if possible.
11706
11707 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
11708
11709         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
11710         for TARGET_RECIP.
11711         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
11712
11713 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
11714
11715         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
11716
11717 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
11718
11719         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
11720
11721 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
11722
11723         PR tree-optimization/34618
11724         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
11725         flag from T.
11726
11727 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
11728
11729         PR target/34673
11730         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
11731         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
11732         Update copyright year.
11733
11734         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
11735         Update copyright year.
11736         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
11737         using NR fixup.
11738
11739 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
11740
11741         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
11742         edge does not point to current bb before changing need_assert.
11743
11744 2008-01-04  Richard Guenther  <rguenther@suse.de>
11745
11746         PR middle-end/34029
11747         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
11748         for verifying purposes if they are is_gimple_min_invariant.
11749
11750 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
11751
11752         PR tree-optimization/34448
11753         PR tree-optimization/34465
11754         * gimplify.c (gimplify_init_constructor): Add new parameter
11755         notify_temp_creation.  Use it.
11756         (gimplify_modify_expr_rhs): Take volatiles into account when
11757         optimizing constructors.
11758         Do not optimize constructors if gimplify_init_constructor will dump to
11759         memory.
11760         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
11761         * gcc.c-torture/compile/pr34448.c: New.
11762
11763 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
11764
11765         PR gcov-profile/34609
11766         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
11767         return_slot if result is TREE_ADDRESSABLE.
11768
11769 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
11770
11771         * config/mips/mips.md (sqrt_condition): Tweak comment.
11772         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
11773
11774 2008-01-03  Tom Tromey  <tromey@redhat.com>
11775
11776         PR c/34457
11777         * c-common.c (c_type_hash): Handle VLAs.
11778
11779 2008-01-03  Jan Hubicka  <jh@suse.cz>
11780
11781         PR tree-optimization/31081
11782         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
11783         0 when inlining and not inlining to first basic block.
11784         (remap_decl): When var is initialized to 0, don't set default_def.
11785         (expand_call_inline): Set entry_bb.
11786         * tree-inline.h (copy_body_data): Add entry_bb.
11787
11788 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
11789
11790         PR c++/34619
11791         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
11792         before returning.
11793
11794         PR tree-optimization/29484
11795         * tree-inline.c (inline_forbidden_p_2): New function.
11796         (inline_forbidden_p): Disallow inlining if some static var
11797         has an address of a local LABEL_DECL in its initializer.
11798         * doc/extend.texi (Labels as Values): Document &&foo behaviour
11799         vs. inlining.
11800
11801 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
11802
11803         PR tree-optimization/34635
11804         * tree-data-ref.c (add_other_self_distances): Make sure that the
11805         evolution step is constant.
11806
11807 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
11808
11809         PR middle-end/34608
11810         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
11811
11812 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
11813
11814         * tree-sra.c (scalarize_init): Insert the generate_element_init
11815         statements after the generate_element_zero statements.
11816
11817 2008-01-02  Richard Guenther  <rguenther@suse.de>
11818
11819         PR middle-end/34093
11820         PR middle-end/31976
11821         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
11822         for very large number of operands instead of ICEing.
11823
11824 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
11825
11826         PR target/34013
11827         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
11828         while stack probing.
11829
11830 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
11831
11832         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
11833         in C++0x mode.
11834
11835 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
11836
11837         PR libmudflap/26442
11838         * tree-mudflap.c (mx_register_decls): Guard warning by
11839         !DECL_ARTIFICIAL check.
11840
11841 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
11842
11843         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
11844         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
11845         sse5_perm<mode>): Fix constraints.