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* tree-data-ref.c (add_multivariate_self_dist): Force the distance
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2
3         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
4         vector to be positive.
5
6 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
7
8         PR 30735
9         PR 31090
10         * doc/invoke.texi: Document --params max-aliased-vops and
11         avg-aliased-vops.
12         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
13         debug_memory_partitions): Move to tree-flow.h
14         * params.h (AVG_ALIASED_VOPS): Define.
15         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
16         users.
17         (mp_info_t): Likewise.
18         (get_mem_sym_stats_for): New.
19         (set_memory_partition): Move from tree-flow-inline.h.
20         (mark_non_addressable): Only clear the set of symbols for the
21         partition if it exists.
22         (dump_memory_partitions): Move from tree-ssa-operands.c
23         (debug_memory_partitions): Likewise.
24         (need_to_partition_p): New.
25         (dump_mem_ref_stats): New.
26         (debug_mem_ref_stats): New.
27         (dump_mem_sym_stats): New.
28         (debug_mem_sym_stats): New.
29         (update_mem_sym_stats_from_stmt): New.
30         (compare_mp_info_entries): New.
31         (mp_info_cmp): Call it.
32         (sort_mp_info): Change argument to a list of mem_sym_stats_t
33         objects.
34         (get_mpt_for): Move from tree-ssa-operands.c.
35         (find_partition_for): New.
36         (create_partition_for): Remove.
37         (estimate_vop_reduction): New.
38         (update_reference_counts): New.
39         (build_mp_info): New.
40         (compute_memory_partitions): Refactor.
41         Document new heuristic.
42         Call build_mp_info, update_reference_counts,
43         find_partition_for and estimate_vop_reduction.
44         (compute_may_aliases): Populate virtual operands before
45         calling debugging dumps.
46         (delete_mem_sym_stats): New.
47         (delete_mem_ref_stats): New.
48         (init_mem_ref_stats): New.
49         (init_alias_info): Call it.
50         (maybe_create_global_var): Remove alias_info argument.
51         Get number of call sites and number of pure/const call sites
52         from gimple_mem_ref_stats().
53         (dump_alias_info): Call dump_memory_partitions first.
54         (dump_points_to_info_for): Show how many times a pointer has
55         been dereferenced.
56         * opts.c (decode_options): For -O2 set --param
57         max-aliased-vops to 500.
58         For -O3 set --param max-aliased-vops to 1000 and --param
59         avg-aliased-vops to 3.
60         * fortran/options.c (gfc_init_options): Remove assignment to
61         MAX_ALIASED_VOPS.
62         * tree-flow-inline.h (gimple_mem_ref_stats): New.
63         * tree-dfa.c (dump_variable): Dump memory reference
64         statistics.
65         Dump NO_ALIAS* settings.
66         (referenced_var_lookup): Tidy.
67         (mem_sym_stats): New.
68         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
69         and ORIG are different SSA names for a memory partition.
70         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
71         * tree-flow.h (struct mem_sym_stats_d): Define.
72         (mem_sym_stats_t): Define.
73         (struct mem_ref_stats_d): Define.
74         (struct gimple_df): Add field mem_ref_stats.
75         (enum noalias_state): Define.
76         (struct var_ann_d): Add bitfield noalias_state.
77         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
78         debug_mem_ref_stats, debug_memory_partitions,
79         debug_mem_sym_stats): Declare.
80         * tree-ssa-structalias.c (update_alias_info): Update call
81         sites, pure/const call sites and asm sites in structure
82         returned by gimple_mem_ref_stats.
83         Remove local variable IS_POTENTIAL_DEREF.
84         Increase NUM_DEREFS if the memory expression is a potential
85         dereference.
86         Call update_mem_sym_stats_from_stmt.
87         If the memory references memory, call
88         update_mem_sym_stats_from_stmt for all the direct memory
89         symbol references found.
90         (intra_create_variable_infos): Set noalias_state field for
91         pointer arguments according to the value of
92         flag_argument_noalias.
93         * tree-ssa-structalias.h (struct alias_info): Remove fields
94         num_calls_found and num_pure_const_calls_found.
95         (update_mem_sym_stats_from_stmt): Declare.
96         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
97         Set default value to 100.
98         (PARAM_AVG_ALIASED_VOPS): Define.
99
100 2007-04-11  Richard Guenther  <rguenther@suse.de>
101
102         PR middle-end/31530
103         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
104         a * -b + c as c - a * b if we honor sign dependent rounding.
105
106 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
107
108         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
109         bfin_expand_strmov.
110         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
111         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
112         variables.
113         (initialize_trampoline): Don't use old-style function definition.
114         (bfin_secondary_reload): Mark IN_P argument as unused.
115
116 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
117
118         PR tree-optimization/31343
119         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
120         (build_polynomial_chrec): Return a scalar when the evolution is zero.
121         * testsuite/gcc.dg/vect/pr31343.c: New.
122
123 2007-04-10  Eric Christopher  <echristo@apple.com>
124
125         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
126         * config/i386/i386.md (*cmpfp0): Use.
127         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
128         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
129         (fix_trunc<mode>_i386_fisttp): Ditto.
130         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
131         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
132         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
133         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
134         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
135         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
136         (unnamed_splitters): Ditto.
137         * config/i386/i386.c (output_fix_trunc): Assert that
138         we're not being passed a TFmode operand.
139
140 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
141
142         PR tree-optimization/31526
143         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
144         n_basic_blocks to find newly added blocks.
145
146 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
147
148         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
149         alternative.
150         (fix_trunc<mode>si_sse): Ditto.
151         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
152         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
153         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
154         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
155         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
156         expander using SSEMODEF mode macro.
157         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
158         expander using SSEMODEF mode macro.
159         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
160         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
161         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
162         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
163         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
164         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
165         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
166         Macroize insn using X87MODEF mode macro.
167
168 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
169
170         * config/i386/sse.md (sse2_pinsrw): Removed.
171         (sse2_pextrw): Renamed to ...
172         (*sse2_pextrw): This.
173
174 2007-04-09  Jan Hubicka  <jh@suse.cz>
175
176         PR target/27869
177         * config/i386/sse.md
178         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
179         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
180         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
181         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
182
183 2007-04-09  Jan Hubicka  <jh@suse.cz>
184
185         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
186         multiple fields of union.
187
188 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
189
190         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
191         (create_preheaders): Check that loops are available.
192         (fix_loop_structure): Clean up, improve comments.
193         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
194         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
195         state flags.
196         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
197         * predict.c (tree_estimate_probability): Do not call
198         calculate_dominance_info.  Call create_preheaders.
199         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
200         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
201         flags.
202         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
203         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
204         * tree-cfg.c (tree_split_edge): Make an assert more precise.
205         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
206         arguments.
207
208 2007-04-08  Jan Hubicka  <jh@suse.cz>
209
210         * tree.h (maybe_fold_offset_to_component_ref): Declare.
211         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
212         * fold-const.c (fold_unary): Use it.
213
214 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
215
216         * varasm.c (assemble_variable): Remove call to
217         lang_hooks.decls.prepare_assemble_variable.
218         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
219         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
220         * langhooks.h (lang_hooks_for_decls): Remove
221         prepare_assemble_variable.
222
223 2007-04-08  Mike Stump  <mrs@apple.com>
224
225         * config/i386/i386.c: Use inc/dec on Core2.
226
227 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
228
229         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
230         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
231         lhd_tree_inlining_end_inlining): Remove.
232         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
233         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
234         end_inlining hooks.
235         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
236         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
237         lhd_tree_inlining_end_inlining): Remove prototypes.
238         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
239         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
240         LANG_HOOKS_TREE_INLINING_START_INLINING,
241         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
242
243         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
244         not set it.
245
246 2007-04-08  Anatoly Sokolov <aesok@post.ru>
247
248         PR target/29932
249         * config/avr/predicates.md (io_address_operand): Delete predicate.
250         (low_io_address_operand): Don't use 'mode' argument.
251         (higth_io_address_operand): Rename ...
252         (high_io_address_operand): ... to this. Don't use 'mode' argument.
253         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
254         for above change.
255
256 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
257
258         Revert change removing staticp.
259
260 2007-04-07  Anatoly Sokolov <aesok@post.ru>
261
262         PR target/30289
263         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
264         earlyclobber.
265
266 2007-04-07  Bruce Korb  <bkorb@gnu.org>
267
268         * c.opt: Add -Wformat-contains-nul.
269         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
270           -Wformat setting.
271         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
272         the NUL byte warning.
273
274 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
275
276         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
277
278 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
279
280         * tree.c (staticp): No longer use staticp langhook.
281         * langhooks.c (lhd_staticp): Removed.
282         * langhooks.h (struct lang_hooks): Remove staticp.
283         * c-common.c (c_staticp): Remove.
284         * c-common.h (c_staticp): Ditto.
285         * langhooks-defs.h (lhd_staticp): Ditto.
286         (LHD_HOOKS_STATICP): Ditto
287         * tree.h (gcc_assert_lowered): New macro.
288
289 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
290
291         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
292         argument "reliable".
293         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
294         Add argument "reliable".  Propagate it through calls.
295         (infer_loop_bounds_from_undefined):  Derive number of iterations
296         estimates from references in blocks that do not dominate loop latch.
297         (gcov_type_to_double_int): New function.
298         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
299         and expected_loop_iterations_unbounded.
300         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
301         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
302         * tree-data-ref.c (estimated_loop_iterations): Export.
303         (get_references_in_stmt): Fix -- do not return addresses of local
304         objects.
305         * cfgloop.h (expected_loop_iterations_unbounded,
306         estimated_loop_iterations): Declare.
307
308 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
309
310         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
311
312 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
313
314         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
315         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
316         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
317         Use output_387_reg_move().
318         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
319         expander using X87MODEF12 mode macro.
320         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
321         choosing register preferences.  Use output_387_reg_move().
322         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
323         instead of "x".  Use output_387_reg_move().
324         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
325         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
326         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
327         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
328         Use output_387_reg_move().
329         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
330         mode macro.
331         (*truncxf?f_i387 splitter): Ditto.
332
333 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
334
335         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
336         LANG_HOOKS_SAFE_FROM_P.
337         * expr.c (safe_from_p): Remove langhook call.
338         * langhooks.h (lang_hooks): Remove safe_from_p.
339         (lhd_safe_from_p): Remove prototype.
340         * langhooks.c (lhd_safe_from_p): Remove.
341
342 2007-04-06  Jan Hubicka  <jh@suse.cz>
343
344         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
345         functions.
346
347 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
348
349         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
350         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
351         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
352         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
353         alternative.
354         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
355         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
356
357 2007-04-05  Richard Henderson  <rth@redhat.com>
358
359         * config/alpha/alpha.c (print_operand) [+]: Remove.
360         (alpha_end_function): Print nop if call at end of function.
361         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
362         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
363         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
364         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
365         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
366         the call pattern. Update peepholes to match.
367
368 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
369
370         * doc/extend.texi (Other Builtins): Add decimal float variants
371         of signbit.
372         * builtins.def: Ditto.
373         * builtins.c (expand_builtin): Ditto.
374
375 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
376             H.J. Lu  <hongjiu.lu@intel.com>
377
378         PR target/31478
379         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
380         of V8HImode when calling ix86_binary_operator_ok.
381         (sse2_pmaddwd): Call ix86_binary_operator_ok.
382         (sdot_prodv8hi): Operands 1 and 2 must be register.
383
384 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
385
386         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
387         initialize align to silence bogus warning.
388
389 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
390
391         PR middle-end/22156
392         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
393         all_no_warning.
394         (struct sra_walk_fns): Remove use_all parameter from use.
395         (sra_hash_tree): Handle BIT_FIELD_REFs.
396         (sra_elt_hash): Don't hash bitfld blocks.
397         (sra_elt_eq): Skip them in parent compares as well.  Handle
398         BIT_FIELD_REFs.
399         (sra_walk_expr): Don't maintain or pass down use_all_p.
400         (scan_use): Remove use_all parameter.
401         (scalarize_use): Likewise.  Re-expand assignment to
402         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
403         output, and re-scalarize after output.  Don't mark anything
404         for no warning.
405         (scalarize_ldst): Adjust.
406         (scalarize_walk_gimple_modify_statement): Likewise.
407         (build_element_name_1): Handle BIT_FIELD_REFs.
408         (instantiate_element): Don't warn for any element whose parent
409         is used as a whole.
410         (instantiate_missing_elements_1): Return the sra_elt.
411         (canon_type_for_field): New.
412         (try_instantiate_multiple_fields): New.
413         (instantiate_missing_elemnts): Use them.
414         (mark_no_warning): Removed.
415         (generate_one_element_ref): Handle BIT_FIELD_REFs.
416         (REPLDUP, sra_build_elt_assignment): New.
417         (generate_copy_inout): Use them.
418         (generate_element_copy): Likewise.  Handle bitfld differences.
419         (generate_element_zero): Don't recurse for blocks.  Use
420         sra_build_elt_assignment.
421         (generate_one_element_int): Take elt instead of var.  Use
422         sra_build_elt_assignment.
423         (generate_element_init_1): Adjust.
424         (scalarize_use, scalarize_copy): Use REPLDUP.
425         (scalarize_ldst): Move assert before dereference.
426         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
427
428 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
429
430         * regmove.c: Fix unused variable warnings due to previous commit.
431
432 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
433
434         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
435         (regmove_bb_head): Remove.
436         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
437         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
438         problems with fixup_match_1.
439         Don't initialize/free regmove_bb_head.
440
441         (reg_is_remote_constant_p): If an insn is in the same basic block
442         but not before INSN, consider it remote, too.
443
444 2007-04-05  Anatoly Sokolov <aesok@post.ru>
445
446         PR target/25448
447         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
448         DECL_ASSEMBLER_NAME, not the DECL_NAME.
449
450 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
451
452         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
453         (CONDITIONAL_REGISTER_USAGE): Likewise.
454
455 2007-04-04  Richard Henderson  <rth@redhat.com>
456
457         * config/alpha/lib1funcs.asm: Remove unused file.
458
459 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
460
461         PR other/31356
462         * opts.c (print_specific_help): Fix --help=<language>
463         header line.
464         (common_handle_option): Support --help=common.
465
466 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
467
468         PR other/31353
469         * gcc.c (main): Do not run the linker if
470         print_subprocess_help indicates that it shouldn't be
471         run.
472
473 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
474
475         PR doc/31355
476         * doc/invoke.texi (--help=): Document <languages> value, fix
477         formatting in tables of values.
478
479 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
480
481         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
482         dllimport attribute of virtual methods.
483
484 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
485
486         * config/score/crti.asm: Change _bss_start to __bss_start.
487         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
488         (OUTGOING_REG_PARM_STACK_SPACE) update.
489         * config/score/score.opt: add options to make backend support
490         score5, score5u, score7 and score7d.
491         * config/score/score.md: Likewise.
492         * config/score/misc.md: Likewise.
493         * config/score/mac.md: Likewise.
494         * doc/invoke.texi: Likewise.
495         * doc/md.texi: update constraints define.
496
497 2007-04-03  Richard Henderson  <rth@redhat.com>
498
499         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
500         an appropriate type, use the mode instead.
501
502 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
503
504         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
505         Set the default --with-arch setting to mips2.
506         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
507         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
508         (MULTILIB_OSDIRNAMES): Delete.
509         (MULTILIB_DIRNAMES): Define.
510         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
511         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
512         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
513         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
514         VXWORKS_OS_CPP_BUILTINS.
515         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
516         (MIPS_DEBUGGING_INFO): Undefine.
517         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
518
519 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
520
521         PR middle-end/30704
522         * fold-const.c (native_encode_real): Encode real.c provided longs
523         as a series of 32-bit native integers.
524         (native_interpret_real): Interpret buffer as a series of 32-bit
525         native integers.
526
527 2007-04-03  Richard Guenther  <rguenther@suse.de>
528
529         * genpreds.c (write_insn_constraint_len): Write function
530         optimized for CONSTRAINT_LEN implementation.
531         (write_tm_preds_h): Output insn_constraint_len inline and
532         use it for CONSTRAINT_LEN.
533         (write_insn_preds_c): Don't output insn_constraint_len.
534         * doc/md.texi (define_register_constraint): Document multi-letter
535         constraints shall have the same length if they start with the same
536         letter.
537
538 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
539
540         PR target/31175
541         * config/i386/i386.md (isinf<mode>2): Expand only when
542         TARGET_C99_FUNCTIONS is set.
543
544 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
545
546         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
547         (x86_64-*-linux*): Ditto.
548         * config/i386/i386.opt (mpc): New option.
549         * config/i386/i386.c (overrride_options): Handle
550         ix87_precision_string.
551         * config/i386/crtprec.c: New file.
552         * config/i386/t-crtpc: Ditto.
553         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
554         and -mpc80 options.
555         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
556         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
557         crtprec32.o, crtprec64.o and crtprec80.o.
558
559         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
560         and -mpc80 options.
561         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
562
563 2007-04-02  Eric Christopher  <echristo@apple.com>
564
565         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
566         limitations on darwin.
567
568 2007-04-02  Anatoly Sokolov <aesok@post.ru>
569
570         PR target/31137
571         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
572
573 2007-04-02  Dave Korn  <dave.korn@artimi.com>
574
575         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
576
577 2007-04-02  Dave Korn  <dave.korn@artimi.com>
578
579         * libgcc2.h (exception_descriptor): Don't forward-declare.
580         (__get_eh_table_language, __get_eh_table_version): Delete
581         prototypes of long-dead functions.
582
583 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
584
585         * ebitmap.h: New file
586         * ebitmap.c: New file
587         * Makefile.in (ebitmap.o): New target.
588
589 2007-04-01  Jan Hubicka  <jh@suse.cz>
590
591         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
592         before very first instruction.
593
594 2007-04-01  Jan Hubicka  <jh@suse.cz>
595
596         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
597         waring on 64bit hosts.
598         * bitmap.h: Fix typo in bitmap_head_def.
599
600 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
601
602         PR rtl-optimization/31391
603         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
604         into a DELETED_LABEL note, and the label is in an empty basic
605         block, update BB_END as well as BB_HEAD.
606
607 2007-04-01  Richard Henderson  <rth@redhat.com>
608
609         PR tree-optimization/31169
610         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
611         to varying if the range is outside [0,  prec-1].
612
613 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
614
615         PR target/31388
616         * config/mips/mips.md (load_const_gp): New insn.
617         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
618         the MIPS16 GP pseudo register if no_new_pseudos.
619         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
620
621 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
622
623         PR target/31364
624         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
625         secureplt.
626         (call_value): Likewise.
627
628 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
629             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
630
631         PR 14737
632         * doc/invoke.texi: (optimization options): Reword description
633         of -ffast-math. Document its primary purpose.
634
635 2007-03-31  Richard Guenther  <rguenther@suse.de>
636
637         * omp-low.c (splay-tree.h): Include.
638         (lookup_decl): Replace splay-tree usage by pointer-map.
639         (maybe_lookup_decl): Likewise.
640         (new_omp_context): Likewise.
641         (delete_omp_context): Likewise.
642         * gimplify.c (splay-tree.h): Include.
643         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
644         pointer-map.
645         (remap_ssa_name): Likewise.
646         (remap_decl): Likewise.
647         (remap_type_1): Likewise.
648         (remap_type): Likewise.
649         (copy_body_r): Likewise.
650         (expand_call_inline): Likewise.
651         (clone_body): Likewise.
652         (copy_tree_r): Likewise.
653         (remap_save_expr): Likewise.
654         (unsave_r): Likewise.
655         (unsave_expr_now): Likewise.
656         (tree_function_versioning): Likewise.
657         (build_duplicate_type): Likewise.
658         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
659         (struct copy_body_data): Replace splay-tree by pointer-map.
660         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
661         not $(SPLAY_TREE_H).
662         (gimplify.o): Depend on $(SPLAY_TREE_H).
663         (omp-low.p): Likewise.
664
665 2007-03-31  Anatoly Sokolov <aesok@post.ru>
666
667         * config/avr/predicates.md (even_register_operand,
668         odd_register_operand): New predicates.
669         * config/avr/avr.md (movw peephole2): New.
670         (movw_r peephole2): New.
671
672 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
673
674         * tree.h (get_signed_or_unsigned_type): New.
675         * fold-const.c (operand_equal_for_comparison_p): Use
676         get_signed_or_unsigned_type instead of
677         lang_hooks.types.signed_or_unsigned_type.
678         * expr.c (store_expr): Ditto.
679         * langhooks.c (get_signed_or_unsigned_type): New.
680         (lhd_signed_or_unsigned_type): New.
681         * langhooks.h (lhd_signed_or_unsigned_type): New.
682         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
683
684 2007-03-30  Richard Henderson  <rth@redhat.com>
685
686         * tree-ssa-loop-ivopts.c: Include target.h.
687         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
688         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
689         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
690         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
691
692 2007-03-30  Richard Henderson  <rth@redhat.com>
693             Kai Tietz  <kai.tietz@onevision.com>
694
695         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
696         default for 64-bit.
697         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
698         (TARGET_64BIT_MS_ABI): New.
699         (DBX_REGISTER_NUMBER): Handle 64-bit.
700         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
701         (LONG_TYPE_SIZE): Force to 32.
702         (REG_PARM_STACK_SPACE): New.
703         (OUTGOING_REG_PARM_STACK_SPACE): New.
704         (REGPARM_MAX, SSE_REGPARM_MAX): New.
705         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
706         (STACK_BOUNDARY): Use 128 for 64-bit.
707         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
708         Add 64-bit implementation.
709         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
710         argument unused.
711         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
712         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
713         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
714         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
715         (ix86_handle_cconv_attribute): Don't warn when ignoring if
716         TARGET_64BIT_MS_ABI.
717         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
718         (ix86_pass_by_reference): Likewise.
719         (ix86_function_value_regno_p): Likewise.
720         (ix86_build_builtin_va_list): Likewise.
721         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
722         (function_arg_advance_ms_64): New.
723         (function_arg_advance): Call it.
724         (function_arg_ms_64): New.
725         (function_arg): Call it.
726         (function_value_ms_64): New.
727         (ix86_function_value_1): Call it.
728         (return_in_memory_ms_64): New.
729         (ix86_return_in_memory): Call it.
730         (setup_incoming_varargs_ms_64): New.
731         (ix86_setup_incoming_varargs): Call it.
732         (ix86_expand_prologue): Handle 64-bit stack probing.
733         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
734         (output_pic_addr_const): Likewise.
735         (x86_this_parameter): Likewise.
736         (x86_output_mi_thunk): Likewise.
737         (x86_function_profiler): Likewise.
738         (TARGET_STRICT_ARGUMENT_NAMING): New.
739         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
740         (TARGET_64BIT_MS_ABI): New.
741         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
742         * config/i386/i386.md (allocate_stack_worker): Remove.
743         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
744         describe the clobber of eax without a match_scratch.
745         (allocate_stack_worker_postreload): Remove.
746         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
747         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
748         (allocate_stack_worker_rex64_postreload): Remove.
749         (allocate_stack): Handle 64-bit.
750         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
751         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
752         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
753         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
754         (STANDARD_STARTFILE_PREFIX_1): Likewise.
755         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
756         * config.build (x86_64-*-mingw*): New host.
757         * config.host (x86_64-*-mingw*): New host.
758         * config.gcc (x86_64-*-mingw*): New target.
759         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
760
761 2007-03-30  Richard Henderson  <rth@redhat.com>
762             Kai Tietz  <kai.tietz@onevision.com>
763
764         * c-pragma.c (struct def_pragma_macro_value): New.
765         (struct def_pragma_macro): New.
766         (pushed_macro_table): New.
767         (dpm_hash, dpm_eq): New.
768         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
769         (init_pragma): Install them.
770         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
771
772 2007-03-30  Anatoly Sokolov <aesok@post.ru>
773
774         * config/avr/avr.c (avr_override_options): Clear
775         'flag_delete_null_pointer_checks'.
776
777 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
778
779         PR c++/26099
780         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
781         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
782         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
783         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
784         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
785         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
786         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
787         C++ extensions.
788         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
789
790 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
791
792         * regmove.c: Move all of pass_stack_adjustments from here...
793         * combine-stack-adj.c: ...to this new file.
794         * Makefile.in: Add rules for combine-stack-adj.o.
795
796 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
797
798         PR tree-optimization/31383
799         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
800         to have the same length.
801
802 2007-03-30  Jan Hubicka  <jh@suse.cz>
803
804         PR middle-end/30700
805         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
806         availablility; add more sanity checking; ask varpool only about
807         VAR_DECL.
808
809 2007-03-29  Richard Henderson  <rth@redhat.com>
810
811         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
812         to decide, but __SIZEOF_LONG_LONG__.
813
814 2007-03-29  Richard Henderson  <rth@redhat.com>
815
816         * emutls.c (struct __emutls_array): New.
817         (emutls_destroy): Use it instead of casting element 0 from void*.
818         (__emutls_get_address): Likewise.
819
820 2007-03-29  Richard Henderson  <rth@redhat.com>
821
822         * varasm.c (initializer_constant_valid_p): Don't deny
823         DECL_DLLIMPORT_P on functions.
824
825         * config/i386/cygming.h: Remove function declarations.
826         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
827         (ASM_OUTPUT_LABELREF): Remove.
828         (COMMON_ASM_OP): Remove.
829         (ASM_OUTPUT_COMMON): Remove.
830         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
831         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
832         (ASM_DECLARE_FUNCTION_NAME): Likewise.
833         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
834         Rename from TARGET_ENCODE_SECTION_INFO.
835         * config/i386/netware.h: Likewise.
836         * config/i386/i386-protos.h: Update.
837         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
838         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
839         (legitimate_constant_p): Reject dllimports.
840         (dllimport_map, get_dllimport_decl): New.
841         (legitimize_dllimport_symbol): New.
842         (legitimize_address, ix86_expand_move): Use it.
843         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
844         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
845         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
846         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
847         * config/i386/predicates.md (constant_call_address_operand): Only
848         accept symbols; reject dllimport_p symbols.
849         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
850         i386_pe_maybe_record_exported_symbol.
851         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
852         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
853         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
854         trust the setting of DECL_DLLIMPORT_P.
855         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
856         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
857         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
858         tidy the argument scanning loop.
859         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
860         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
861         (i386_pe_strip_name_encoding): Remove.
862         (i386_pe_binds_local_p): New.
863         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
864         (i386_pe_output_labelref): Remove.
865         (i386_pe_asm_output_aligned_decl_common): New.
866         (i386_pe_maybe_record_exported_symbol): Rename from
867         i386_pe_record_exported_symbol; check for dllexported symbols.
868
869 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
870
871         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
872         add comment explaining why vsnprintf cannot be used.
873
874 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
875
876         PR tree-optimization/30666
877         * tree.c (build_complex_type): When creating type names for DWARF2
878         debug info, create TYPE_DECLs for TYPE_NAME instead of
879         IDENTIFIER_NODEs.
880         (build_common_tree_nodes_2): Use build_complex_type when building
881         predefined complex types, to preserve canonical types.
882
883 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
884
885         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
886         (noce_get_alt_condition): Look at it to determine whether to
887         reverse the condition or not.
888         (noce_get_condition): Substitute the truth for lies.
889         (noce_find_if_block): Set the then_else_reversed field.
890
891 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
892
893         * config/fr30/fr30.md (movdi): Do not accept immediates as the
894         destination of this insn.
895         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
896         than calling gen_rtx_SET directly.  Use r0 to hold the value of
897         'address + 4' rather than a stack based temporary which can be
898         mis-optimized away.
899
900 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
901
902         * config/s390/s390.c (s390_secondary_input_reload_class,
903         s390_secondary_output_reload_class): Functions removed.
904         (s390_secondary_reload): New function.
905         (TARGET_SECONDARY_RELOAD): Target macro defined.
906         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
907         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
908         * config/s390/s390.md ("reload_outti", "reload_outdi",
909         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
910         "reload_out<mode>"): Expanders removed.
911         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
912         "reload<mode>_nonoffmem_out"): Expanders added.
913
914 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
915
916         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
917         SRC->DEST replacement failed anyway.
918
919 2007-03-28  Mike Stump  <mrs@apple.com>
920
921         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
922         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
923         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
924
925 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
926
927         * config.gcc: Accept barcelona as a variant of amdfam10.
928         * config/i386/i386.c (override_options): Likewise.
929         * doc/invoke.texi: Likewise.
930
931 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
932
933         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
934         offsets for BIT_FIELD_REF and COMPONENT_REF.
935
936 2007-03-28  Richard Guenther  <rguenther@suse.de>
937
938         * tree.c (is_global_var): Move ...
939         * tree-flow-inline.h (is_global_var): ... here.
940         * tree.h (is_global_var): Remove declaration.
941
942 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
943
944         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
945         option.
946         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
947         * config/i386/i386.c (ix86_tune_features): Initialize new
948         tuning option.
949         * config/i386/predicates.md (promotable_binary_operator): Use
950         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
951
952 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
953
954         PR target/31380
955         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
956
957 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
958
959         * config/fr30/fr30.md (movsi_internal): Change destination
960         constraint from m to V and add m to the end.
961
962 2007-03-28  Christian Bruel  <christian.bruel@st.com>
963
964         * config/sh/sh.md (movsi_i): Fix type attribute.
965
966 2007-03-28  Christian Bruel  <christian.bruel@st.com>
967
968         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
969         (movsf_ie): Likewise.
970
971 2007-03-28  Christian Bruel  <christian.bruel@st.com>
972
973         * config.gcc: Add sh4-300 to multilib.
974         * config/sh/t-mlib-sh4-300: New file.
975
976 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
977
978         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
979         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
980         fix_trunc<mode>di2.
981         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
982         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
983         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
984         "fixuns_trunctddi2"): Whitespace fix.
985
986 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
987
988         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
989         the definition of struct sh_args.
990         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
991         CALL_COOKIE_INT_REG_GET): Likewise.
992
993 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
994
995         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
996         transformations are applied successfully.
997
998 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
999
1000         * tree.c (tree_contains_struct): Permit 512 tree codes.
1001         * tree.h (tree_contains_struct): Ditto.
1002         (MAX_TREE_CODES): Ditto.
1003         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1004         SPARE member to store remaining padding bits.
1005
1006 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1007
1008         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1009         architecture.
1010
1011 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1012
1013         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1014         * configure: Regenerate.
1015
1016         * configure: Regenerate using the correct version of autoconf.
1017
1018 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1019
1020         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1021         pointer regs.
1022         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
1023         regs to "__SP_L__" and "__SP_H__".
1024
1025 2007-03-27  Richard Guenther  <rguenther@suse.de>
1026
1027         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
1028         computations with it with a HOST_WIDE_INT variable.
1029
1030 2007-03-26  Mike Stump  <mrs@apple.com>
1031
1032         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
1033         objective-c-header, objective-c++-header and objc++-cpp-output
1034         support.
1035         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1036
1037 2007-03-26  Richard Henderson  <rth@redhat.com>
1038
1039         PR target/31361
1040         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
1041         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
1042         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
1043         IX86_BUILTIN_PSRLQ128): New.
1044         (ix86_init_mmx_sse_builtins): Add them.
1045         (ix86_expand_builtin): Expand them.
1046         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1047         operand 2 be TImode.
1048         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
1049         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
1050         _mm_srli_epi64): Mark __B const.
1051         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1052         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1053         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1054         new two-vector shift builtins.
1055
1056 2007-03-26  Ian Lance Taylor  <iant@google.com>
1057
1058         PR tree-optimization/31345
1059         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1060         [+INF, +INF(OVF)] into VARYING.
1061
1062 2007-03-26  Zack Weinberg  <zackw@panix.com>
1063
1064         * gengtype-parse.c: New file.
1065         * gengtype-yacc.y: Delete.
1066         * gengtype-lex.l: Don't include gengtype-yacc.h.
1067         Define YY_DECL and yyterminate appropriately for recursive
1068         descent parser.  yylval is now a string out-parameter to yylex.
1069         (HWS, EOID): New shorthand.
1070         (IWORD): Add a couple more types.
1071         (yylex): Add a setup stanza.  Remove the complex rules for
1072         detecting GTY'ed types and typedefs; replace with simple
1073         keyword detectors.  Adjust everything for the changed
1074         definition of yylval.  Ignore all pp-directives, not just #define.
1075         (yyerror): Delete.
1076         (parse_file): Rename yybegin; do not call yyparse.
1077         (yyend): New.
1078         * gengtype.c (xasprintf): Export again.
1079         (this_file): New.  Use everywhere __FILE__ was being used.
1080         (get_lang_bitmap): Special case types defined in gengtype.c.
1081         (do_typedef, new_structure): Suppress definition of certain types.
1082         (new_structure): Improve diagnostics of duplicate definitions.
1083         Make sure location_s is associated with input.h.
1084         (nreverse_pairs, define_location_structures): New functions.
1085         (main): Improve tagging of kludge types.  Remove old kludges
1086         for input.h types; use define_location_structures.
1087         * gengtype.h: Update prototypes.  Define token codes here.
1088         * Makefile.in: Remove all references to gengtype-yacc.
1089         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
1090         and gengtype.
1091         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
1092         add GTY((skip)) to the field that's only conditionally there.
1093         * doc/install.texi: Document that Bison is no longer required
1094         unless building treelang.
1095
1096         * gengtype.c: Don't include gtyp-gen.h.
1097         (srcdir): Declare here.
1098         (base_files, lang_dir_names): Allocate dynamically.
1099         (gt_files, num_gt_files, num_lang_dirs): New globals.
1100         (measure_input_list, read_input_line, read_input_list)
1101         (set_lang_bitmap): New functions.
1102         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
1103         simplify, relying on read_input_list to set up the bitmaps.
1104         (main): Arguments are no longer unused.  Check for correct number
1105         of command line arguments, set srcdir and srcdir_len, then call
1106         read_input_list, before doing anything else.  No need to worry
1107         about duplicates in main loop.
1108         * configure.ac: Simplify the calculation of all_gtfiles.
1109         Put language tags in there.  Don't set or substitute
1110         all_gtfiles_files_langs or all_gtfiles_files_frags.
1111         * Makefile.in: Revamp the way gengtype is invoked, now that it
1112         takes a file on its command line with a much simpler format.
1113         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
1114         (GTFILES): Remove duplicates and C source files.
1115         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
1116         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
1117         * configure: Regenerate.
1118
1119         * gengtype.h: Remove all type definitions to gengtype.c; leave
1120         only definitions of options_p, type_p, and pair_p as opaque
1121         pointers.  Update prototypes.
1122         * gengtype.c: Many type definitions moved here from gengtype.h.
1123         Consolidate type definitions at the top of the file.
1124         (xvasprintf): Delete.
1125         (xasprintf): Make static.
1126         (create_nested_pointer_option): Add 'next' parameter.
1127         (create_field_all, create_field_at): New functions.
1128         (create_field): Now a thin wrapper around create_field_all.
1129         (create_optional_field): Rename create_optional_field_ and add
1130         line argument.  Original name is now a macro which supplies
1131         __LINE__.
1132         (oprintf): Use vsnprintf directly.
1133         (close_output_files): Use fatal rather than perror/exit.
1134         (note_def_vec, note_def_vec_alloc): Use create_field_at.
1135         (main): Set progname.  Don't use exit.
1136         * gengtype-yacc.y (struct_fields): Use create_field_at.
1137         (option, optionseqopt): Delete.
1138         (optionseq): Consolidate productions from option here so we
1139         can use the first argument to create_option.
1140
1141         * gengtype-lex.l: Distinguish unions from structures in the
1142         token type.  Don't call find_structure; return the tag as a string.
1143         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
1144         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
1145         Reorganize typedef_struct production accordingly.
1146         Use create_nested_ptr_option.
1147         * gengtype.c (create_nested_ptr_option): New function.
1148         * gengtype.h: Declare it.
1149
1150         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
1151         (string_type): Don't declare.
1152         (do_scalar_typedef): Declare.
1153         (create_scalar_type): Update prototype.
1154         * gengtype.c (string_type): Make static.
1155         (scalar_nonchar, scalar_char): New.
1156         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
1157         (resolve_typedef): Use scalar_nonchar for error recovery.
1158         (create_scalar_type): Remove name_len field.  Return scalar_char
1159         or scalar_nonchar as appropriate.
1160         (adjust_field_type): Look at scalar_is_char boolean to decide whether
1161         to use string_type.
1162         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
1163         whenever possible.
1164         (main): Initialize scalar_char and scalar_nonchar before calling
1165         gen_rtx_next.
1166         * gengtype-lex.l: Adjust for removal of second argument to
1167         create_scalar_type.  Use yylval.s instead of yylval.t when
1168         returning SCALAR.
1169         * gengtype-yacc.y: Type of SCALAR is string.  Call
1170         create_scalar_type from type:SCALAR rule.  Adjust for removal of
1171         second argument to create_scalar_type.
1172
1173         * vec.h: Remove all #if IN_GENGTYPE blocks.
1174         Add comment saying that changes may require adjustments to gengtype.
1175         * gengtype.c: Don't include coretypes.h or tm.h.
1176         Add comment to inclusion of errors.h.
1177         (note_def_vec, note_def_vec_alloc): New functions.
1178         * gengtype.h: Declare new functions.
1179         * gengtype-lex.l: Don't include coretypes.h.
1180         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
1181         Delete.
1182         (update_lineno): Remove unnecessary prototype.
1183         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
1184         (VEC rule): Just return VEC_TOKEN.
1185         * gengtype-yacc.y (VEC_TOKEN): New token type.
1186         (type): Add a production for VEC(a,b).
1187         * Makefile.in: Update dependencies.
1188
1189         * gengtype-lex.l: Remove rules for parsing pointer-to-function
1190         typedefs that use the old PARAMS macro.
1191
1192         * gengtype-lex.l: Remove all rules and states relating to yacc
1193         input files.
1194         * gengtype-yacc.y: Similarly.
1195         * gengtype.c (note_yacc_type): Delete function.
1196         * gengtype.h: Update prototypes.
1197
1198 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
1199
1200         * tree-pretty-print.c (dump_generic_node): Report precision of
1201         unnamed integer types.
1202
1203 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
1204
1205         * ifcvt.c (noce_try_store_flag_constants): Don't check
1206         no_new_pseudos here.
1207         (noce_try_store_flag_constants): Don't check no_new_pseudos.
1208         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
1209         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
1210         noce_try_sign_mask): Likewise.
1211         (if_convert): Check no_new_pseudos here.
1212
1213         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
1214         Remove prototypes.
1215         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
1216         (noce_get_condition): Handle new then_else_reversed argument.
1217         (noce_init_if_info): Remove, fold into noce_find_if_block.
1218         (noce_process_if_block): Take a struct noce_if_info as the
1219         argument.  Don't set up one based on ce_if_info.  Update pointer
1220         references accordingly.
1221         (cond_move_process_if_block): Likewise.
1222         (process_if_block): Removed.
1223         (find_if_block): Removed.  Move functionality two new functions,
1224         noce_find_if_block and cond_exec_find_if_block.
1225         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
1226         blocks and the symmetric IF-ELSE-JOIN case.
1227         (cond_exec_find_if_block): Also new function mostly based on old
1228         find_if_block and process_if_block.
1229         (find_if_header): Replace find_if_block call with separately
1230         guarded calls to noce_find_if_block and cond_exec_find_if_block.
1231         (find_cond_trap): Update noce_get_condition call.
1232         (dead_or_predicable): Likewise.
1233
1234 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
1235
1236         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
1237         Remove.
1238         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
1239         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
1240         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
1241         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
1242         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
1243         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
1244         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
1245         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
1246         __builtin_ia32_psrad128 builtins.
1247
1248 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
1249
1250         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
1251         * config/i386/constraints.md
1252         (define_constraint "I"): Use IN_RANGE macro.
1253         (define_constraint "J"): Ditto.
1254         (define_constraint "K"): Ditto.
1255         (define_constraint "M"): Ditto.
1256         (define_constraint "N"): Ditto.
1257         (define_constraint "O"): Ditto.
1258         * config/i386/predicates.md
1259         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
1260         (define_predicate "const_0_to_3_operand"): Ditto.
1261         (define_predicate "const_0_to_7_operand"): Ditto.
1262         (define_predicate "const_0_to_15_operand"): Ditto.
1263         (define_predicate "const_0_to_63_operand"): Ditto.
1264         (define_predicate "const_0_to_255_operand"): Ditto.
1265         (define_predicate "const_1_to_31_operand"): Ditto.
1266         (define_predicate "const_2_to_3_operand"): Ditto.
1267         (define_predicate "const_4_to_7_operand"): Ditto.
1268
1269 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1270
1271         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
1272         in SImode for save_world.
1273         * config/rs6000/altivec.md (save_world, restore_world): Convert to
1274         LR hard reg.
1275
1276 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
1277
1278         PR tree-optimization/30784
1279         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
1280         BIT_FIELD_REF.
1281
1282 2007-03-25  Revital Eres  <eres@il.ibm.com>
1283
1284         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
1285           Fold movement_possibility function into it.
1286
1287 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1288
1289         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
1290         (load_macho_picbase_{si,di}): Convert to LR hard reg.
1291         (call_indirect_nonlocal_darwin64): Same.
1292         (call_nonlocal_darwin64): Same.
1293         (call_value_indirect_nonlocal_darwin64): Same.
1294         (call_value_nonlocal_darwin64): Same.
1295         (sibcall_nonlocal_darwin64): Same.
1296         (sibcall_value_nonlocal_darwin64): Same.
1297         (sibcall_symbolic_64): Same.
1298         (sibcall_value_symbolic_64): Same.
1299         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
1300         LR pseudo.
1301         (rs6000_emit_load_toc_table): Same.
1302         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
1303         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
1304         (mull_call): Same.
1305         (divss_call): Same.
1306         (divus_call): Same.
1307         (quoss_call): Same.
1308         (quous_call): Same.
1309         (load_toc_v4_pic_si): Same
1310         (load_toc_v4_PIC_1): Same.
1311         (load_toc_v4_PIC_1b): Same.
1312         (call_indirect_aix{32,64}): Same.
1313         (call_value_indirect_aix{32,64}): Same.
1314         (call): Same.
1315         (call_value): Same.
1316         (call_local{32,64}): Same.
1317         (call_value_local{32,64}): Same.
1318         (call_indirect_nonlocal_aix{32,64}): Same.
1319         (call_nonlocal_aix{32,64}): Same.
1320         (call_value_indirect_nonlocal_aix{32,64}): Same.
1321         (call_value_nonlocal_aix{32,64}): Same.
1322         (call_indirect_nonlocal_sysv<mode>): Same.
1323         (call_nonlocal_sysv<mode>): Same.
1324         (call_value_indirect_nonlocal_sysv<mode>): Same.
1325         (call_value_nonlocal_sysv<mode>): Same.
1326         (sibcall): Same.
1327         (sibcall_local{32,64}): Same.
1328         (sibcall_value_local{32,64}): Same.
1329         (sibcall_nonlocal_aix{32,64}): Same.
1330         (sibcall_value_nonlocal_aix{32,64}): Same.
1331         (sibcall_nonlocal_sysv<mode>): Same.
1332         (sibcall_value): Same.
1333         (sibcall_value_nonlocal_sysv<mode>): Same.
1334
1335 2007-03-24  Paul Brook  <paul@codesourcery.com>
1336
1337         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
1338         * config/arm/linux-eabi.h: Remove legacy syscall hack.
1339
1340 2007-03-24  Richard Henderson  <rth@redhat.com>
1341
1342         * config/ia64/constraints.md: New file.
1343         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
1344         satisfies_constraint_?.
1345         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
1346         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
1347         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
1348         ia64_output_mi_thunk): Likewise.
1349         (ia64_const_ok_for_letter_p): Remove.
1350         (ia64_const_double_ok_for_letter_p): Remove.
1351         (ia64_extra_constraint): Remove.
1352         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
1353         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
1354         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
1355         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
1356         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
1357         EXTRA_MEMORY_CONSTRAINT): Remove.
1358         * config/ia64/ia64.md: Include constriants.md.  Replace
1359         CONST_OK_FOR_? with satisfies_constraint_?.
1360
1361 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
1362             H.J. Lu  <hongjiu.lu@intel.com>
1363
1364         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
1365         DPD or BID name.
1366         (name macros): Use DPD_BID_NAME to convert names properly.
1367
1368         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
1369         decimal floating point format.
1370         (init_floating_libfuncs): Change decimal functions so that they
1371         have a "bid_" prefix if the decimal system uses the BID format,
1372         and "dpd_" prefix if the decimal system uses the DPD format.
1373         (init_interclass_conv_libfuncs): Ditto.
1374         (init_intraclass_conv_libfuncs): Ditto.
1375
1376         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1377         using the BID format.
1378
1379         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1380         whether we are using the BID decimal format.
1381         * configure: Regenerate.
1382
1383         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1384         the compiler has decimal floating point enabled.  Define
1385         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1386         instead of DPD.
1387
1388         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1389         using the BID format.
1390
1391         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1392         whether we are using the BID decimal format.
1393         * configure: Regenerate.
1394
1395         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1396         the compiler has decimal floating point enabled.  Define
1397         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1398         instead of DPD.
1399
1400         * doc/install.texi (--enable-decimal-float): Document BID and DPD
1401         options, and that it is enabled for i386/x86_64 systems.
1402
1403         * Makefile.in (enable_decimal_float): New.
1404         (DECNUMFMT): New.
1405         (DECNUMINC): Add  -I$(DECNUMFMT).
1406         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
1407         to $(DECNUMFMT) from $(DECNUM).
1408
1409         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
1410         Substitute enable_decimal_float.
1411         * configure: Regenerated.
1412
1413         PR other/30529
1414         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
1415         unsigned long.
1416
1417         * configure.ac: Enable decimal float for x86_64-*-linux*.
1418         * configure: Regenerated.
1419
1420         PR other/30530
1421         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
1422         decimal128ClearSign to flip and clear the sign bit in decimal128.
1423         (decimal_real_maxval): Set decimal128SetSign to set the sign
1424         bit in decimal128.
1425
1426 2007-03-23  Ian Lance Taylor  <iant@google.com>
1427
1428         * fold-const.c (fold_binary): Correct warning for X - c >= X.
1429
1430 2007-03-23  Ian Lance Taylor  <iant@google.com>
1431
1432         * tree-dump.c (dump_files): Correct comment.
1433
1434 2007-03-23  Ian Lance Taylor  <iant@google.com>
1435
1436         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
1437
1438 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
1439
1440         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
1441         in cfglayout mode.  Don't go into and out of cfglayout mode.
1442         Link the blocks in the order of the constructed traces.
1443         (rest_of_handle_tracer): Adjust call to tracer.
1444         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
1445         Don't go into cfglayout mode.
1446         (rtl_loop_done): Don't go out of cfglayout mode.
1447         * cfglayout.c (relink_block_chain): New function, split out from...
1448         (fixup_reorder_chain): ...here.  Remove redundant checking.
1449         (cfg_layout_finalize): Don't clear the header, footer, and aux
1450         fields here, move the code to do so to relink_block_chain.  Likewise
1451         for free_original_copy_tables.
1452         * rtl.h (tracer): Update prototype.
1453         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
1454         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
1455         mode.  Use relink_block_chain to serialize the CFG according to the
1456         new basic block order.  Move targetm.cannot_modify_jumps_p check from
1457         here...
1458         (gate_handle_reorder_blocks): ...to here.
1459         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
1460         from here...
1461         (gate_duplicate_computed_gotos): ...to here.
1462         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
1463         something always changes when going into and out of cfglayout mode.
1464         Perform an expensive cfg cleanup while going into cfglayout mode.
1465         Always update liveness information on HAVE_conditional_execution
1466         targets.  Reserialize the basic blocks and go out of cfglayout mode.
1467         * reg-stack.c: Include cfglayout.h.
1468         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
1469         the call to reorder_basic_blocks.
1470         * basic-block.h (reorder_basic_blocks): Update prototype.
1471         (relink_block_chain): New prototype.
1472         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1473
1474 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1475
1476         * config/mips/mips.md (type, hazard, *movdi_32bit,
1477         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1478         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1479         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1480         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1481         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1482         applicable.
1483         (movcc): Change first xfer to multi.
1484         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1485         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1486         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1487         config/mips/generic.md: Change reservations using "xfer" to use
1488         "mfc,mtc".
1489         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1490         using match_operand.
1491         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1492         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1493         examining mode.
1494         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1495
1496 2007-03-22  Richard Henderson  <rth@redhat.com>
1497
1498         * config/i386/i386.c: Remove unnecessary function declarations.
1499         Move targetm definition, and all related macros, to the end of
1500         the file.  Resort some functions to put definitions before uses.
1501         (ix86_attribute_table): Make static.  Move to end of file.
1502         (ix86_gimplify_va_arg): Make static.
1503
1504 2007-03-22  Richard Henderson  <rth@redhat.com>
1505
1506         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1507         don't increase local_regparm with force_align_arg_pointer check.
1508         (ix86_function_sseregparm): Assert 32-bit.
1509         (type_has_variadic_args_p): New.
1510         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1511         type_has_variadic_args_p.
1512         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1513         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1514         use memset instead.  Do maybe_vaarg check first; skip attribute
1515         tests if true; skip attribute tests for 64-bit.
1516         (construct_container): Remove TARGET_DEBUG_ARG.
1517         (function_arg_advance_32, function_arg_advance_64): Split out ...
1518         (function_arg_advance): ... from here.
1519         (function_arg_32, function_arg_64): Split out ...
1520         (function_arg): ... from here.
1521         (ix86_pass_by_reference): Tidy.
1522         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1523         (function_value_32): New, from parts of ix86_function_value
1524         and ix86_value_regno.
1525         (function_value_64): New, from parts of ix86_function_value
1526         and ix86_libcall_value.
1527         (ix86_function_value_1): New.
1528         (ix86_function_value, ix86_libcall_value): Use it.
1529         (return_in_memory_32, return_in_memory_64): Split out ...
1530         (ix86_return_in_memory): ... from here.
1531         (ix86_struct_value_rtx): Skip for 64-bit.
1532         (ix86_libcall_value, ix86_value_regno): Remove.
1533         (setup_incoming_varargs_64): Split out ...
1534         (ix86_setup_incoming_varargs): ... from here.
1535         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1536         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1537         * config/i386/i386-protos.h (ix86_function_value): Remove.
1538         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1539
1540 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1541
1542         PR other/23572
1543         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1544         infinities not supported, otherwise emit warning if -Woverflow. On
1545         underflow, emit warning if -Woverflow.
1546         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1547         and 0 otherwise.
1548         * real.h (real_from_string): Update declaration
1549
1550 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1551             Richard Henderson  <rth@redhat.com>
1552
1553         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1554         * calls.c (compute_argument_block_size, expand_call,
1555         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1556         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1557         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1558         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1559         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1560         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1561         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1562         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1563         Set to 1.
1564
1565 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1566
1567         * c-incpath.c (add_sysroot_to_chain): New.
1568         (merge_include_chains): Add sysroot argument.  Call
1569         add_sysroot_to_chain if sysrooted.
1570         (register_include_chains): Update call to merge_include_chains.
1571         * doc/cppopts.texi: Document use of '=' in include directory
1572         arguments.
1573
1574 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1575
1576         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1577         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1578         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1579         insn pattern using X87MODEF12 mode macro.
1580
1581 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1582
1583         * regmove.c (regmove_optimize): Use reg_mentioned_p
1584         instead of reg_overlap_mentioned_p for DST.
1585
1586 2007-03-21  Mike Stump  <mrs@apple.com>
1587
1588         * c.opt: Fixup for Objective-C/C++.
1589
1590 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1591
1592         * explow.c (convert_memory_address): Fold memory reference when
1593         POINTERS_EXTEND_UNSIGNED < 0
1594
1595 2007-03-21  Richard Henderson  <rth@redhat.com>
1596
1597         PR target/31245
1598         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1599         * config/i386/mmintrin.h (__m64): Likewise.
1600         * config/i386/xmmintrin.h (__m128): Likewise.
1601
1602 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1603
1604         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
1605         (VXWORKS_OS_CPP_BUILTINS): Define.
1606         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
1607         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
1608
1609 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1610
1611         * rtl.h (constant_pool_reference_p): Delete.
1612         (find_constant_src): Declare.
1613         * rtlanal.c (find_constant_src): New function.
1614         * simplify-rtx.c (constant_pool_reference_p): Delete.
1615         * config/i386/i386.md: Use find_constant_src instead of
1616         constant_pool_reference_p/avoid_constant_pool_reference pairs.
1617
1618 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1619
1620         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
1621         * c-cppbuiltin.c (c_cpp_builtins): Define them.
1622
1623 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
1624
1625         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
1626         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
1627         (arm_elf_asm_constructor): Use it.
1628         (arm_elf_asm_destructor): New function.
1629
1630 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1631
1632         * jump.c (mark_jump_label): Treat SEQUENCE specially.
1633
1634 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
1635
1636         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
1637
1638 2007-03-19  Andrew Haley  <aph@redhat.com>
1639
1640         PR tree-optimization/31264
1641         * tree-vrp.c (register_edge_assert_for_1): Don't look though
1642         VIEW_CONVERT_EXPRs.
1643
1644 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
1645
1646         PR rtl-optimization/30907
1647         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
1648         (fwprop_init): Always call loop_optimizer_initialize.
1649         (fwprop_done): Always call loop_optimizer_finalize.
1650         (fwprop): We always have loop info now.
1651         (gate_fwprop_addr): Remove.
1652         (pass_fwprop_addr): Use gate_fwprop as gate.
1653
1654         PR rtl-optimization/30841
1655         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
1656         df_chain_alloc): Call df_reorganize_refs unconditionally.
1657         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
1658         refs_organized to refs_organized_size.
1659         (df_ref_create_structure): Use refs_organized_size instead of
1660         bitmap_size if refs had been organized, and keep refs_organized_size
1661         up-to-date.
1662         * df.h (struct df_ref_info): Change refs_organized to
1663         refs_organized_size.
1664         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
1665         bitmap_size.
1666
1667 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
1668
1669         * except.c (output_function_exception_table): Do not reference the
1670         EH personality routine for functions that do not require an
1671         exception table.
1672
1673 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
1674
1675         PR c/30762
1676         * c-typeck.c (convert_for_assignment): Call comptypes for
1677         RECORD_TYPE or UNION_TYPE.
1678
1679         PR inline-asm/30505
1680         * reload1.c (reload): Do invalid ASM checking after
1681         cleanup_subreg_operands.
1682
1683 2007-03-19  Jeff Law  <law@redhat.com>
1684
1685         * tree-cfg.c (find_taken_edge): Tighten conditions for
1686         optimizing computed gotos.
1687
1688 2007-03-19  Michael Matz  <matz@suse.de>
1689
1690         * builtins.c (expand_builtin_sync_operation,
1691         expand_builtin_compare_and_swap,
1692         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
1693         correctly.
1694
1695         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
1696         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
1697         for operand 3.
1698
1699 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1700
1701         * doc/tm.texi: Add brackets around the return type of
1702         TARGET_SECONDARY_RELOAD.
1703
1704 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1705         Richard Guenther  <rguenther@suse.de>
1706
1707         PR tree-optimization/31254
1708         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1709         Use handled_component_p () where appropriate.  Continue
1710         propagating into the rhs if we propagated into an INDIRECT_REF
1711         on the lhs.
1712
1713 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1714
1715         * config/s390/s390.md (op_type attribute): RRR instruction type added.
1716         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
1717         (xde, xdee): Mode attributes adjusted to support DFP modes.
1718         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
1719         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
1720         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
1721         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
1722         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
1723         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1724         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
1725         numbers.
1726         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
1727         "movsf"): Insn definitions removed.
1728         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
1729         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
1730         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
1731         definitions added.
1732         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
1733         "reload_in<mode>", "reload_out<mode>"): Expander added.
1734         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
1735         Expander removed.
1736
1737 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1738
1739         * config/s390/s390.md: Only non-functional changes.  Renamed
1740         FPR mode macro to BFP all over the file.
1741
1742 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1743
1744         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
1745         (op_type attribute): RRF instruction type added.
1746         (fT0): New mode attribute.
1747         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1748         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
1749         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
1750         no secondary memory is needed when moving DFmode values between GPRs
1751         and FPRs.
1752
1753 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1754
1755         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
1756         inverted and documentation adjusted.
1757         ("mhard-dfp", "msoft-dfp"): New options.
1758         * config/s390/s390.c (s390_handle_arch_option): New architecture
1759         switch: z9-ec.
1760         (override_options): Sanity checks for the new options added.
1761         * config.gcc: New architecture switch: z9-ec.
1762         * config/s390/s390.h (processor_flags): PF_DFP added.
1763         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
1764         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
1765         when the bit is NOT set so remove it from the defaults.
1766
1767 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1768
1769         * genemit.c (main): Print include statement for dfp.h.
1770         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
1771         is not available.
1772
1773 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1774
1775         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
1776
1777 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1778
1779         PR target/31022
1780         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
1781         instead of PATTERN.
1782
1783 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1784
1785         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
1786         attr_length_call, output_call, output_indirect_call): Cleanup
1787         formatting of targetm calls.
1788
1789 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1790
1791         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
1792
1793 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1794
1795         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
1796         reservation, bypass and anti-bypass descriptions for these instructions.
1797         Update move patterns.
1798         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
1799         TYPE_FPSTORE.
1800
1801 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
1802
1803         * tree-vect-transform.c (get_initial_def_for_induction): Replace
1804         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
1805         (get_initial_def_for_reduction): Likewise.
1806
1807 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
1808
1809         Fix PR tree-optimization/29922
1810         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
1811         (get_representative): Removed.
1812         (value_dies_in_block_x): Update for rvuse removal.
1813         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
1814         (compute_antic_aux): Handle when PHI nodes appear in
1815         non-single-successors.
1816         (dump_bitmap_of_names): Removed.
1817         (compute_antic_safe): Renamed and removed rvuse calculation.
1818         Calculate only antic safe.
1819         (insert_into_preds_of_block): Remove assert.
1820         (execute_pre): Update for renamed functions.
1821         (defer_or_phi_translate_block): New function.
1822
1823 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1824
1825         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
1826         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
1827         typos.
1828         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
1829         Follow spelling conventions.
1830
1831         * tree-data-ref.h: Remove the prototype for analyze_array.
1832
1833 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
1834
1835         PR tree-optimization/31041
1836         * tree-vect-transform.c (get_initial_def_for_induction): Call
1837         force_gimple_operand.
1838
1839 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
1840
1841         * ipa-type-escape.c (look_for_casts) : Revert code to use
1842         handled_component_p due to ada test a-numaux.adb.
1843
1844 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1845
1846         * final.c (final_scan_insn): Alter the condition of a
1847         conditional trap if we have nonstandard CC.
1848
1849 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1850
1851         * configure.ac: Remove excess quoting from asm line 0 test.
1852         * configure: Rebuilt.
1853
1854 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1855
1856         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
1857         * c-common.c (convert_and_check): Move warning logic to...
1858         (warnings_for_convert_and_check): ...here. Define.
1859         * c-common.h (warnings_for_convert_and_check): Declare.
1860
1861 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1862
1863         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1864         (output_call): Likewise.
1865
1866 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1867
1868         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
1869
1870 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1871
1872         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
1873
1874 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
1875
1876         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
1877         opteron, athlon-64 and athlon-fx processor_alias_table entries.
1878
1879 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
1880
1881         PR tree-optimization/31183
1882         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1883         Use double_int instead of unsigned int for representing access_strides.
1884         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
1885
1886 2007-03-16  Richard Guenther  <rguenther@suse.de>
1887
1888         PR tree-optimization/31146
1889         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
1890         to allow recursion of forward_propagate_addr_expr.
1891         (forward_propagate_addr_into_variable_array_index): Likewise.
1892         (forward_propagate_addr_expr): Likewise.
1893         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1894         (forward_propagate_addr_expr_1): Recurse on simple copies
1895         instead of propagating into them.  Do so for useless conversions
1896         as well.
1897         (forward_propagate_addr_expr): Clean up unused statements after
1898         recursion.
1899
1900 2007-03-16  Richard Guenther  <rguenther@suse.de>
1901
1902         * builtins.c (expand_builtin_cexpi): Use the right argument
1903         for the expansion via cexp.
1904
1905 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1906
1907         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
1908         * configure: Rebuilt.
1909
1910 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1911
1912         PR debug/29906
1913         * dwarf2out.c (force_type_die): Adjust comment.
1914         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
1915
1916 2007-03-15  DJ Delorie  <dj@redhat.com>
1917
1918         * config/frv/predicates.md (minmax_operator): Don't check operands
1919         here.
1920
1921 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1922
1923         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
1924         Update constant estimates of number of iterations.
1925         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
1926         argument renamed to "realistic".
1927         (compute_estimated_nb_iterations): Removed.
1928         (record_niter_bound): New function.
1929         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
1930         call record_nonwrapping_iv with upper = false.
1931         (infer_loop_bounds_from_signedness): Pass upper argument to
1932         record_nonwrapping_iv.
1933         (estimate_numbers_of_iterations_loop): Do not call
1934         compute_estimated_nb_iterations.  Record estimate based on profile
1935         information.  Initialize the constant estimates of number of
1936         iterations.
1937         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
1938         estimates.
1939         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
1940         number of iterations is too small.
1941         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
1942         (EST_NOT_AVAILABLE): Removed.
1943         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
1944         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
1945         fields.
1946
1947 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1948
1949         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
1950         Handle NE_EXPR guards.
1951
1952 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1953
1954         PR c++/24924
1955         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
1956         Set also -pedantic-errors by default for the  preprocessor unless
1957         -fpermissive is given.
1958
1959 2007-03-15  Richard Guenther  <rguenther@suse.de>
1960
1961         PR middle-end/29719
1962         PR middle-end/31161
1963         * builtins.c (expand_builtin_cexpi): As a fallback if we
1964         don't have builtins for sincos or cexp create a function
1965         declaration for cexp and expand to a call to that.
1966         (expand_builtin_int_roundingfn): Always fall
1967         back to floor/ceil and its variants even if they may be
1968         not available.
1969
1970 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
1971
1972         PR middle-end/31159
1973         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
1974         jump tables, move the call to delete_dead_jumptables from here...
1975         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
1976         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
1977         don't allow merging of blocks that try_redirect_by_replacing_jump
1978         also does not handle when not optimizing.
1979
1980 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1981             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1982
1983         * config/i386/i386.md (x86_sahf_1): Correctly handle
1984         HAVE_AS_IX86_SAHF.
1985
1986 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
1987
1988         PR target/31167
1989         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
1990         x86_64_general_operand as operand[2] predicate.  Remove "iF"
1991         from operand constraints and use "e" constraint instead.
1992         (*subti3_1, *subti3_1 splitter): Ditto.
1993         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
1994         operand[1] predicate.
1995
1996 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
1997
1998         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
1999         arrays, multiply the access strides by the size of the sub-array.
2000         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2001
2002 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2003
2004         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2005         the configured assembler supports the sahf mnemonic.
2006         * configure: Regenerate.
2007         * config.in: Regenerate.
2008
2009         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2010         emit "sahf" or ".byte\t0x9e" as asm template.
2011
2012 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2013
2014         PR 31018
2015         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2016         option to replace hard coded TARGET_xxx in md file.
2017         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2018         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2019         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2020         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2021         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2022         (X86_TUNE_NOT_VECTORMODE): Ditto.
2023         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
2024         (TUNE_AVOID_VECTOR_DECODE): Ditto.
2025         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2026         (TUNE_SLOW_IMUL_IMM8): Ditto.
2027         (TUNE_MOVE_M1_VIA_OR): Ditto.
2028         (TUNE_NOT_UNPAIRABLE): Ditto.
2029         (TUNE_NOT_VECTORMODE): Ditto.
2030
2031         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
2032         options.
2033
2034         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
2035         tuning options instead of hard coded TARGET_xxx.
2036         (fix ssemode peephole2's): Ditto.
2037         (imul peephole2's): Ditto.
2038         (movsi_or): Ditto.
2039         (movdi_or_rex64): Ditto.
2040         (move peephole2): Ditto.
2041         (not peephole2's): Ditto.
2042
2043 2007-03-14  Dirk Mueller  <dmueller@suse.de>
2044
2045         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
2046         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
2047         * c-parser.c (c_parser_if_body): Always add an empty statement in case
2048         of empty body.
2049         * c-parser.c (c_parser_do_statement): Warn about empty body in
2050         do/while statement.
2051         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
2052         * doc/invoke.texi (-Wempty-body): Update documentation.
2053
2054 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2055
2056         PR c/21438
2057         * c-common.h (warn_for_div_by_zero): Declare.
2058         * c-common.c (warn_for_div_by_zero): Define.
2059         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
2060         warning.
2061
2062 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2063
2064         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
2065         to PREFIX and STANDARD_PREFIX.
2066
2067 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2068             Phil Edwards  <phil@codesourcery.com>
2069
2070         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
2071         (__gthread_once_t): Remove busy field for RTPs.
2072         (__GTHREAD_ONCE_INIT): Update accordingly.
2073
2074 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2075
2076         * doc/invoke.texi: Document VxWorks options.
2077
2078 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2079
2080         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
2081
2082 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
2083
2084         PR tree-optimization/30590
2085         * tree-nrv.c (tree_nrv): Check for the partial update of the
2086         return value.
2087
2088 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2089
2090         * flags.h (flag_random_seed): Remove declaration, in favor of...
2091         * toplev.h (get_random_seed, set_random_seed): ... these.
2092         * tree.c (get_file_function_name): Use the former.
2093         * opts.c (common_handle_option): Use the latter.
2094         * toplev.c
2095
2096 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
2097
2098         PR middle-end/31127
2099         * cse.c (cse_find_path): Do not bail out if a basic block that
2100         we already visited now becomes part of a path that starts at a
2101         different basic block.  Just disallow this, to make sure we
2102         visit each basic block at most once.
2103
2104 2007-03-13  Jan Hubicka  <jh@suse.cz>
2105
2106         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
2107         when profile esitmate is present, calls with very low frequency are
2108         cold.
2109
2110 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
2111
2112         PR tree-optimization/30730
2113         PR tree-optimization/26900
2114         * tree-ssa-loop-niter.c: Include gmp.h.
2115         (bounds): New type.
2116         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
2117         split_to_var_and_offset, determine_value_range,
2118         bound_difference_of_offsetted_base, refine_bounds_using_guard,
2119         bound_difference, bounds_add, bounds_negate,
2120         number_of_iterations_ne_max, dump_affine_iv): New functions.
2121         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2122         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
2123         difference of initial and final value of control iv to validate
2124         results.
2125         (number_of_iterations_cond): Add loop parameter.  Determine bounds
2126         on the difference of the extremes of the control iv.  Add dumps.
2127         (expand_simple_operations): Handle phi nodes.
2128         (simplify_using_initial_conditions): Do not record used conditions.
2129         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
2130         Do not set additional_info.
2131         (implies_nonnegative_p, implies_ge_p): Removed.
2132         (derive_constant_upper_bound): Do not use parameter `additional'.
2133         (record_estimate): Parameter `additional' removed.  Parameter
2134         `i_bound' added.  Do not call derive_constant_upper_bound.
2135         (record_nonwrapping_iv): Use derive_constant_upper_bound to
2136         bound the number of iterations estimate.
2137         (estimate_numbers_of_iterations_loop): Pass the estimate from
2138         the number of iterations analysis to record_estimate.
2139         * tree.h (multiple_of_p): Declare.
2140         * tree-scalar-evolution.c (expression_expensive_p): Removed.
2141         (scev_const_prop): Do not check expression_expensive_p.
2142         * fold-const.c (multiple_of_p): Exported.
2143         * double-int.c (double_int_mask): Exported.
2144         * double-int.h (double_int_mask): Declare.
2145         * tree-flow.h (struct tree_niter_desc): Removed additional_info
2146         field.  Added max field.
2147
2148 2007-03-13  David Taylor  <taylor@candd.org>
2149
2150         PR driver/12448:
2151         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
2152         default -MQ.
2153
2154 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2155
2156         PR target/31123
2157         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
2158         two unamed patterns.
2159
2160 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
2161
2162         * config/i386/i386.opt (mcx16, msahf): New options.
2163         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
2164         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
2165
2166         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
2167         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
2168         Output -mcx16 and -msahf options when corresponding bit is set.
2169
2170         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
2171         and -msahf options.
2172
2173 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2174
2175         * configure.ac: Test for assembler tolerance to # 0 "".
2176         * configure, config.in: Rebuilt.
2177         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
2178
2179 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
2180
2181         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
2182
2183         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
2184         (handle_syscall): Handle direct system calls.
2185         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
2186
2187 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2188
2189         * doc/invoke.texi: Fix cpp.info cross-reference.
2190         * doc/passes.texi: Fix gcc.info cross-reference.
2191
2192 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
2193
2194         PR tree-optimization/30835
2195         * lambda-code.c (can_convert_to_perfect_nest): Check whether
2196         bb_for_stmt is not NULL before accessing it.
2197
2198 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
2199
2200         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
2201         some multilibs.
2202
2203 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2204
2205         PR 30635
2206         * doc/install.texi: Document --enable-stage1-languages
2207
2208 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
2209
2210         * tree-pass.h (pass_into_cfg_layout_mode,
2211         pass_outof_cfg_layout_mode): Declare.
2212         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
2213         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
2214         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
2215         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
2216
2217 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
2218
2219         * c-decl.c (warn_variable_length_array): New function.
2220         Refactored from grokdeclarator to handle warn_vla
2221         and handle unnamed array case.
2222         (grokdeclarator): Refactored VLA warning case.
2223         * c.opt (Wvla): New flag.
2224         * doc/invoke.texi (Wvla): New warning.
2225
2226 2007-03-12  Richard Henderson  <rth@redhat.com>
2227
2228         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
2229         (TARGET_SECTION_TYPE_FLAGS): New.
2230
2231 2007-03-12  Richard Henderson  <rth@redhat.com>
2232
2233         * config/darwin.c (machopic_reloc_rw_mask): New.
2234         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
2235         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
2236
2237 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
2238
2239         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
2240         * cppdefault.h (cpp_PREFIX): Document.
2241         (cpp_PREFIX_len): Likewise.
2242         (cpp_EXEC_PREFIX): New variable.
2243         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
2244         * c-incpath.c (add_standard_paths): Correct logic for relocating
2245         paths within prefix.
2246
2247 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
2248
2249         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
2250         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
2251         mode macro.
2252         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
2253         fix_truncdfdi_sse using SSEMODEF mode macro.
2254         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
2255         fix_truncdfsi_sse using SSEMODEF mode macro.
2256         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
2257         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
2258
2259 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
2260
2261         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
2262         elfos.h to tm_file.
2263
2264 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
2265
2266         * tree.h : Add multiple_of_p declaration.
2267         * fold-const.c (multiple_of_p): Make multiple_of_p public.
2268         * ipa-type-escape.c (results_of_malloc): Redundant.
2269         (visited_stmts): New. Visited stmt for walk_use_def_chains.
2270         (cast_type): Extended with new members.
2271         (check_cast): Returns cast_type.
2272         (cast): New structure for data of walk_use_def_chains.
2273         (is_malloc_result, is_cast_from_non_pointer_1,
2274         is_cast_from_non_pointer,
2275         is_array_access_through_pointer_and_index): New functions.
2276         (look_for_casts): Returns cast types.
2277         (check_call): Returns void.
2278         (okay_pointer_operation): Use support of pointer plus index,
2279         pointer plus constant and allow all multiplications.
2280
2281 2007-03-11  Richard Guenther  <rguenther@suse.de>
2282
2283         PR tree-optimization/31115
2284         * tree-vrp.c (extract_range_from_binary_expr): Make sure
2285         the shift count is positive and non-anti-range for RSHIFT_EXPR.
2286         A shift count of zero is not special as with *_DIV_EXPR.
2287         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
2288         direction.
2289
2290 2007-03-11  Ian Lance Taylor  <iant@google.com>
2291
2292         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
2293         the *_DIV_EXPR codes correctly with overflow infinities.
2294
2295 2007-03-11  Ira Rosen  <irar@il.ibm.com>
2296
2297         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
2298         indicate success/failure of the analysis. Add negation to subtrahend
2299         in case of subtraction. Fail if both operands contain constants.
2300         (create_data_ref): Fail if analyze_offset fails.
2301
2302 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
2303
2304         * config/i386/i386.md (frndintxf2): Rename to ...
2305         (rintxf2): ... this. Remove expander having same name.
2306         (rintsf2, rintdf2): Implement using SSEMODEF macro.
2307         (roundsf2, rounddf2): Ditto.
2308         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
2309         (lround<mode>di2, lround<mode>si2): Ditto.
2310
2311 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
2312
2313         * lower-subreg.c: Include except.h.
2314         (decompose_multiword_subregs): Verify that the only control flow
2315         insns we can split are loads to multi-words pseudos.
2316         Handle breaking such blocks after splitting, instead of calling
2317         find_many_sub_basic_blocks.
2318
2319         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
2320         on the new basic block.  Add a lengthy comment explaining why we
2321         thought this was necessary.
2322         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
2323
2324 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
2325
2326         PR c++/30924
2327         * tree.c (walk_type_fields): Recurse into the element type of
2328         ARRAY_TYPEs if there is a pointer set.
2329
2330 2007-03-10  Dirk Mueller  <dmueller@suse.de>
2331
2332         * c-common.c (warn_logical_operator): Fix condition.
2333
2334 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
2335
2336         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
2337         quotation mark.
2338         * config/darwin.c (machopic_select_section): Remove superfluous
2339         argument in call to categorize_decl_for_section.  Remove unused
2340         variable shlib.
2341
2342 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
2343
2344         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
2345         defined.
2346         * configure: Regenerate.
2347
2348 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
2349
2350         PR target/31101
2351         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
2352         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
2353         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
2354         Add LABEL_NUSES to emitted label.
2355         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
2356         branch probability value to emitted jump insn.
2357         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
2358         Do not check life information and do not re-arrange input operands
2359         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
2360
2361 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2362
2363         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
2364         the change of decode_asm_operands.
2365
2366 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2367
2368         * mode-switching.c (create_pre_exit): Skip blockage insn.
2369
2370 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
2371
2372         * tree-pass.h (TODO_update_smt_usage): Remove.
2373         Update all users.
2374         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2375         argument SOME.
2376         Update all users.
2377
2378 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2379
2380         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
2381         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
2382         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
2383         SOM target.
2384
2385 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
2386
2387         * gcc.c: Document %{, in big comment at top.
2388         (input_suffix_matches): Remove special handling for .s and
2389         .S.
2390         (input_spec_matches): New.
2391         (handle_braces): Handle %{,.
2392         (validate_switches): ',' indicates a value which is not a switch.
2393         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
2394         to detect assembler input.
2395         * config/i386/sol2.h (CPP_SPEC): Likewise.
2396         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
2397         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2398         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
2399         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2400         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
2401         -m64 causes deployment target to default to 10.5.
2402         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2403
2404 2007-03-09  Richard Henderson  <rth@redhat.com>
2405
2406         PR target/26090
2407         * target.h (targetm.asm.out.reloc_rw_mask): New.
2408         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
2409         (TARGET_ASM_OUT): Use it.
2410         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
2411         * varasm.c (categorize_decl_for_section): Remove shlib argument;
2412         use the new reloc_rw_mask target hook instead.
2413         (default_section_type_flags_1): Merge into...
2414         (default_section_type_flags): ... here.
2415         (decl_readonly_section_1): Merge into...
2416         (decl_readonly_section): ... here.
2417         (default_elf_select_section_1): Merge into...
2418         (default_elf_select_section): ... here.
2419         (default_unique_section_1): Merge into...
2420         (default_unique_section): ... here.
2421         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
2422         (default_select_rtx_section): Use it.
2423         (default_elf_select_rtx_section): Likewise.
2424         * output.h: Update to match.
2425         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
2426         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
2427         (TARGET_ASM_RELOC_RW_MASK): New.
2428         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
2429         to categorize_decl_for_section.
2430         (x86_64_elf_unique_section): Likewise.
2431         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
2432         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
2433         (TARGET_ASM_RELOC_RW_MASK): New.
2434         * config/ia64/ia64.c (ia64_rwreloc_select_section,
2435         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
2436         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
2437         (TARGET_RWRELOC): Remove.
2438         (ia64_section_type_flags): Adjust call to default_section_type_flags.
2439         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2440         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
2441         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
2442         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
2443         (rs6000_xcoff_select_section): Use decl_readonly_section.
2444         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
2445         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2446         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
2447         (TARGET_SECTION_TYPE_FLAGS): Remove.
2448         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
2449
2450 2007-03-09  Roger Sayle  <roger@eyesopen.com>
2451
2452         * fold-const.c (fold_comparison): Remove compile-time evaluation of
2453         complex constant equality/inequality comparisons for here.
2454         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
2455         known at compile-time or can be simplified to a scalar comparison.
2456         (fold_relational_const): Move compile-time evaluation of complex
2457         constant equality/inequality comparisons to here.
2458
2459 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2460
2461         PR rtl-optimization/30643
2462         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
2463         dest_addr_elt.
2464         (fold_rtx): Recurse, like before 2006-11-03.
2465
2466 2007-03-09  DJ Delorie  <dj@redhat.com>
2467
2468         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
2469         m32c-pragma.o.
2470
2471 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2472
2473         PR tree-optimization/30375
2474         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2475         LHS of statements is not the same.
2476         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2477
2478 2007-03-09  Chao-ying Fu  <fu@mips.com>
2479
2480         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2481         REV 2.
2482         * doc/invoke.texi (-mdspr2): Document new option.
2483         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2484         New unspec for DSP REV 2.
2485         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2486         these instructions are extended in DSP REV 2.
2487         (mips-dspr2.md): Include.
2488         * config/mips/mips.opt (mdspr2): New option.
2489         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2490         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2491         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2492         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2493         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2494         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2495         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2496         and 2 builtins.
2497         (bdesc_map): Add one field of unsupported_target_flags.
2498         (bdesc_arrays):  Update entries to have extra fields.  Add
2499         dsp_32only_bdesc.
2500         (mips_init_builtins): Initialize new function types.
2501         Check unsupported_target_fileds to filter out builtins.
2502         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2503         TARGET_DSPR2.
2504         (ASM_SPEC): Pass mdspr2 to the assembler.
2505         * config/mips/mips-dspr2.md: New file.
2506
2507 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2508
2509         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2510
2511 2007-03-09  Ian Lance Taylor  <iant@google.com>
2512
2513         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2514         argument) like -Wstrict-overflow=2.
2515         * doc/invoke.texi (Warning Options): Update documentation.
2516
2517 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2518
2519         PR c++/17946
2520         * doc/invoke.texi (-Wlogical-op): Document.
2521         * common.opt (-Wlogical-op): New.
2522         * c-common.h (warn_logical_operator): Declare.
2523         * c-common.c (warn_logical_operator): Define.
2524         * c-typeck.c (parser_build_binary_op): Call
2525         warn_logical_operator.
2526
2527 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2528
2529         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2530         * final.c (final_scan_insn): Test for non-"" file name.
2531
2532 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2533
2534         * doc/loop.texi: Document the Omega linear constraints solver.
2535         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2536         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2537         omega-hash-table-size, omega-max-keys, and
2538         omega-eliminate-redundant-constraints.
2539         * tree-pass.h (pass_check_data_deps): Declared.
2540         * omega.c: New.
2541         * omega.h: New.
2542         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2543         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2544         pass_check_data_deps): New.
2545         * tree-data-ref.c (init_data_ref): Remove declaration.
2546         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2547         (analyze_array): Renamed init_array_ref, move up initializations.
2548         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2549         Removed arguments that are set to NULL.
2550         (analyze_indirect_ref): Correct indentation, correct call to
2551         init_pointer_ref.
2552         (object_analysis): Call init_array_ref instead of analyze_array.
2553         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2554         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2555         of DR_ACCESS_FNS_ADDR.
2556         (init_omega_eq_with_af, omega_extract_distance_vectors,
2557         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2558         ddr_consistent_p): New.
2559         (compute_affine_dependence): Check consistency of ddrs when
2560         flag_check_data_deps is passed.
2561         (analyze_all_data_dependences): Uncomment.
2562         (tree_check_data_deps): New.
2563         * tree-data-ref.h: Include omega.h.
2564         (DR_ACCESS_FNS_ADDR): Removed.
2565         (data_dependence_relation): Add inner_loop.
2566         (DDR_INNER_LOOP): New.
2567         * common.opt (fcheck-data-deps): New.
2568         * tree-flow.h (tree_check_data_deps): Declare.
2569         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2570         (OBJS-common): Depend on omega.o.
2571         (omega.o): Define.
2572         * passes.c (pass_check_data_deps): Scheduled.
2573         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2574         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2575         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2576         PARAM_VECT_MAX_VERSION_CHECKS,
2577         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2578
2579 2007-03-09  Richard Guenther  <rguenther@suse.de>
2580
2581         PR tree-optimization/30904
2582         PR middle-end/31058
2583         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2584         the same way as *_DIV_EXPR.
2585
2586 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2587
2588         * recog.c (decode_asm_operands): No mixed declarations and code.
2589
2590 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2591
2592         * rtl.def (ASM_INPUT): Add location.
2593         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2594         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2595         (decode_asm_operands): Add loc operand.
2596         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
2597         * stmt.c (expand_asm): Rename to...
2598         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
2599         gen_rtx_ASM_INPUT_loc.
2600         (expand_asm_expr): Adjust.
2601         * recog.c (decode_asm_operands): Add loc operand.
2602         (check_asm_operands, extract_insn): Adjust.
2603         * reload1.c (maybe_fix_stack_asms): Likewise.
2604         * final.c (asm_insn_count): Likewise.
2605         (final_scan_insn): Output # line before and after asm.
2606
2607 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
2608
2609         * tree-ssa-structalias.c (variable_info): Remove
2610         finished_solution.
2611         (new_var_info): Ditto.
2612         (shared_bitmap_info_t): New structure.
2613         (shared_bitmap_table): New variable.
2614         (shared_bitmap_hash): New function.
2615         (shared_bitmap_eq): Ditto
2616         (shared_bitmap_lookup): Ditto.
2617         (shared_bitmap_add): Ditto.
2618         (merge_smts_into): Change to take bitmap directly.
2619         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
2620         (init_alias_vars): Init shared bitmap hashtable.
2621         (delete_points_to_sets): Delete shared bitmap hashtable.
2622         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
2623         is_aliased removal as a change that was still necessary was
2624         deleted.
2625
2626 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
2627
2628         * config/i386/i386.h (override_options): Conditionally disable
2629         x86_sahf for 64bit targets only.
2630
2631 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2632
2633         PR C/31072
2634         * c-decl.c (merge_decls): Don't call make_var_volatile.
2635         * varasm.c (make_var_volatile): Remove.
2636         * output.h (make_var_volatile): Remove.
2637
2638 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
2639
2640         PR tree-optimization/31085
2641         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
2642
2643 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2644
2645         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
2646         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
2647         ATTR_CONST_NOTHROW_LIST.
2648
2649         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2650         FIX_TRUNC_EXPR.
2651
2652 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
2653
2654         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
2655
2656 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
2657
2658         PR 31013
2659         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
2660         is declared.
2661         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
2662         passed, use shared libgcc.
2663
2664 2007-03-08  Roger Sayle  <roger@eyesopen.com>
2665
2666         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
2667         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2668         (honor_protect_cleanup_actions, lower_try_finally_switch):
2669         Likewise.
2670         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
2671         ifc_temp_var): Likewise.
2672         * tree-inline.c (setup_one_parameter): Likewise.
2673         * tree-mudflap.c (mf_decl_cache_locals,
2674         mf_build_check_statement_for): Likewise.
2675         * tree-nested.c (init_tmp_var, save_tmp_var,
2676         finalize_nesting_tree_1): Likewise.
2677         * tree-outof-ssa.c (insert_copy_on_edge,
2678         insert_backedge_copies): Likewise.
2679         * tree-profile.c (tree_gen_edge_profiler,
2680         tree_gen_ic_profiler): Likewise.
2681         * tree-scalar-evolution.c (scev_const_prop): Likewise.
2682         * tree-sra.c (sra_build_assignment): Likewise.
2683         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
2684         * tree-ssa-math-opts.c (insert_reciprocals,
2685         execute_cse_sincos_1): Likewise.
2686         * tree-tailcall.c (adjust_accumulator_values,
2687         adjust_return_value): Likewise.
2688         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
2689         * tree-vect-transform.c (vect_create_data_ref_ptr,
2690         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
2691         vect_create_epilog_for_reduction, vectorizable_reduction,
2692         vectorizable_call, vectorizable_conversion,
2693         vectorizable_assignment, vectorizable_operation,
2694         vectorizable_type_demotion, vect_gen_widened_results_half,
2695         vect_permute_store_chain, vectorizable_store,
2696         vect_setup_realignment, vect_permute_load_chain,
2697         vectorizable_load, vectorizable_condition,
2698         vect_create_cond_for_align_checks): Likewise.
2699         * tree-vrp.c (build_assert_expr_for): Likewise.
2700
2701 2007-03-08  Ian Lance Taylor  <iant@google.com>
2702
2703         * tree-vrp.c: Include "intl.h".
2704         (usable_range_p): New static function.
2705         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
2706         overflowed values, juts set *strict_overflow_p.
2707         (compare_values): Only return -2 if one of the operands is not a
2708         constant.
2709         (compare_ranges): Call usable_range_p.
2710         (compare_range_with_value): Likewise.
2711         (vrp_evaluate_conditional_warnv): Rename from
2712         vrp_evaluate_conditional.  Make static.  Change all callers.
2713         (vrp_evaluate_conditional): New function.
2714         (simplify_div_or_mod_using_ranges): Issue warning about reliance
2715         on signed overflow.
2716         (simplify_abs_using_ranges): Likewise.
2717         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
2718         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
2719         within_stmt parameter.
2720         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2721         vrp_evaluate_conditional.
2722         * tree-ssa-threadedge.c
2723         (record_temporary_equivalences_from_stmts_at_dest): Change
2724         simplify parameter to take a second tree parameter.
2725         (simplify_control_stmt_condition): Likewise.
2726         (thread_across_edge): Likewise.
2727         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2728         (thread_across_edge): Likewise.
2729         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
2730
2731 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
2732
2733         * config/i386/i386.h (TARGET_SAHF): New define.
2734         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
2735         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
2736         (x86_sahf): New global variable.
2737         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
2738         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
2739         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
2740         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
2741         for 64-bit.
2742         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
2743         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
2744         when expanding fcomi/sahf based tests.
2745         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
2746         expanding sahf based alternative. Emit sahf based sequence when
2747         optimizing for code size.
2748         * config/i386/i386.md (x86_sahf_1): Do not disable for
2749         TARGET_64BIT, enable for TARGET_SAHF.
2750
2751 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
2752
2753         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
2754         spurious whitespace from error message.
2755
2756 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
2757
2758         PR c++/30852
2759         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
2760
2761 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
2762
2763         * c-decl.c (grokdeclarator): Disable warnings for anonymous
2764         bitfields.
2765         * tree-sra.c (instantiate_element): Propagate disabled warnings
2766         from the element itself to the created variable.
2767
2768 2007-03-07  Richard Henderson  <rth@redhat.com>
2769
2770         PR target/30848
2771         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
2772         silently fix up the stack in the case of a missing register.
2773
2774 2007-03-07  Paul Brook  <paul@codesourcery.com>
2775
2776         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
2777
2778 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
2779
2780         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
2781         New.
2782         (phase1_vrs): Use them.
2783         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
2784         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
2785         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
2786         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
2787         __gnu_Unwind_Restore_WMMXC if required.
2788         (_Unwind_VRS_Pop): Implement iWMMXt support.
2789         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
2790         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
2791         gnu_Unwind_Save_WMMXC): Define.
2792
2793 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2794
2795         * config/vxworks.h (vxworks_override_options): Declare.
2796         (VXWORKS_OVERRIDE_OPTIONS): Use it.
2797         * config/vxworks.c: Include target.h and toplev.h.
2798         (vxworks_override_options): New function.
2799         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
2800
2801 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2802
2803         * config/s390/s390.c (override_options): Don't emit an error when
2804         -mstack-size is used without providing -mstack-guard.
2805         (s390_emit_prologue): Choose stack_guard value automatically if not
2806         provided via command line.
2807         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
2808
2809 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2810
2811         * config/i386/i386.c (output_set_got): Add a GOT initialization
2812         sequence for VxWorks PIC.
2813         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
2814         around labels as well as symbols.  Use gotoff_operand instead
2815         of local_symbolic_operand.
2816         (legitimize_pic_address): Use gotoff_operand instead of
2817         local_symbolic_operand.  Use @GOT accesses for labels as
2818         well as symbols.
2819         (ix86_output_addr_diff_elt): Use PC-relative rather than
2820         GP-relative offsets for VxWorks PIC.
2821         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
2822         no_new_pseudos.  Check whether the returned register is op0.
2823         * config/i386/i386.md (tablejump): Use PC-relative rather than
2824         GP-relative offsets for VxWorks PIC.
2825         * config/i386/predicates.md (gotoff_operand): New predicate.
2826
2827 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2828
2829         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
2830         before defining.
2831         * config/vxworks-dummy.h: New file.
2832         * config/i386/i386.h: Include it.
2833
2834 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
2835
2836         * dwarf2out.c (is_inlined_entry_point): New
2837         (add_high_low_attributes): Emit DW_AT_entry_pc along with
2838         DW_AT_ranges if the first subblock is the entry point.
2839
2840 2007-03-06  David Daney  <ddaney@avtrex.com>
2841
2842         * doc/install.texi (mips-*-*): Change recommended binutils
2843         version.
2844
2845 2007-03-06  Anatoly Sokolov <aesok@post.ru>
2846
2847         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
2848         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
2849         devices.
2850         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2851         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2852
2853 2007-03-06  Jan Hubicka  <jh@suse.cz>
2854
2855         * errors.h (warning, error, fatal, internal_error): Mark as cold.
2856         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
2857         are hot.
2858         (probably_cold_bb_p): Cold functions are cold.
2859         (probably_never_executed_bb_p): Cold functions are cold.
2860         (tree_bb_level_predictions): Predict calls to cold functions as not
2861         taken.
2862         (compute_function_frequency): Check hot/cold attributes.
2863         * function.h (function_frequency): Update comments.
2864         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
2865         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
2866         (c_common_att): Add cold and hot.
2867
2868         * doc/extend.texi (hot,cold attributes): Document.
2869
2870 2007-03-06  Andrew Haley  <aph@redhat.com>
2871
2872         * function.c (expand_function_end): Move blockage to just after we
2873         emit the label for the naked return from the function.
2874
2875 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2876
2877         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
2878         before redefining.
2879
2880 2007-03-06  Jan Hubicka  <jh@suse.cz>
2881
2882         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
2883         loaded for constant large models.  Non-large 64bit PIC can do.
2884         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
2885         * cmodel.h: Add LARGE PIC.
2886         * i386.md (UNSPEC_PLTOFF): New.
2887         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
2888         needed.
2889         (*call_1_rex64): Disable for large models.
2890         (*call_1_rex64_large): New.
2891         (*call_value_1_rex64): Disable for large models.
2892         (*call_value_1_rex64_large): New.
2893         (set_rip_rex4): New.
2894         (set_got_offset_rex64): New.
2895         * predicates.md (constant_call_address_operand): For large model
2896         constant calls are not possible.
2897         * i386-protos.h (construct_plt_address): Declare.
2898         * i386.c (override_options): Accept large models.
2899         (ix86_expand_prologue): Expand large PIC GOT pointer load.
2900         (legitimate_constant_p): Add new UNSPECs.
2901         (legitimate_pic_operand_p): Likewise.
2902         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
2903         (legitimize_pic_address): Do easy RIP relative way for TLS only for
2904         non-large model.
2905         (output_pic_addr_const): Add PLTOFF.
2906         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
2907         (ix86_expand_move): Legitimize pic address when in PIC mode.
2908         (construct_plt_address): New function.
2909         (ix86_expand_call): Offload the address to register and use GOT pointer
2910         for large model.
2911         * invoke.texi (mcmodel=large): Update documentation.
2912
2913 2007-03-06  Richard Henderson  <rth@redhat.com>
2914
2915         * config/i386/i386.c (x86_use_leave, x86_push_memory,
2916         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
2917         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
2918         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
2919         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
2920         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
2921         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
2922         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
2923         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
2924         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2925         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2926         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
2927         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2928         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2929         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
2930         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
2931         x86_schedule, x86_use_bt, x86_pad_returns,
2932         x86_use_xchgb): Merge into ...
2933         (ix86_tune_features): ... here.  New array.
2934         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2935         x86_bswap): Merge into ...
2936         (ix86_arch_features): ... here.  New array.
2937         (x86_3dnow_a): Remove.
2938         (x86_accumulate_outgoing_args): Make static.
2939         (x86_arch_always_fancy_math_387): Make static.
2940         (ix86_tune_mask, ix86_arch_mask): Move ...
2941         (override_options): ... to local variables here.  Apply the
2942         appropriate mask to each element of ix86_arch_features and
2943         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
2944         as were done in the old macros.
2945         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
2946         * config/i386/i386.h (x86_use_leave, x86_push_memory,
2947         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
2948         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
2949         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
2950         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
2951         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
2952         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
2953         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
2954         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
2955         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
2956         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2957         x86_accumulate_outgoing_args, x86_prologue_using_move,
2958         x86_epilogue_using_move, x86_decompose_lea,
2959         x86_arch_always_fancy_math_387, x86_shift1,
2960         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2961         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2962         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
2963         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2964         x86_use_incdec, x86_pad_returns, x86_bswap,
2965         x86_partial_flag_reg_stall): Remove.
2966         (enum ix86_tune_indices): New.
2967         (ix86_tune_features): New.
2968         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
2969         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
2970         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
2971         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
2972         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
2973         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
2974         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
2975         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
2976         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
2977         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
2978         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
2979         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
2980         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
2981         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
2982         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
2983         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
2984         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
2985         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
2986         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
2987         TARGET_EXT_80387_CONSTANTS): Use it.
2988         (enum ix86_arch_indices): New.
2989         (ix86_arch_features): New.
2990         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
2991         TARGET_BSWAP): Use it.
2992         (ix86_tune_mask, ix86_arch_mask): Remove.
2993
2994 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
2995
2996         PR bootstrap/31020
2997         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
2998         Define using $${sysroot_headers_suffix}.
2999         * configure: Regenerate.
3000         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3001         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3002         defined.
3003         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3004         * gcc.c (print_sysroot_headers_suffix): New.
3005         (option_map): Include --print-sysroot-headers-suffix.
3006         (display_help): Mention -print-sysroot-headers-suffix.
3007         (process_command): Handle -print-sysroot-headers-suffix.
3008         (do_spec_1): Append multilib directory to include-fixed path if
3009         sysroot suffixes in use.
3010         (main): Handle -print-sysroot-headers-suffix.
3011         * Makefile.in (start.encap): Don't depend on xlimits.h
3012         (xlimits.h): Remove.
3013         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3014         limits.h for each multilib in fixinc_list.
3015         (fixinc_list, s-fixinc_list): New.
3016         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3017         generate them for each multilib in fixinc_list.
3018         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3019         multilib in fixinc_list.
3020         (mostlyclean): Don't remove xlimits.h.
3021         (clean): Remove include-fixed.
3022         (real-install-headers-tar, real-install-headers-cpio,
3023         real-install-headers-cp): Don't copy include, only include-fixed.
3024         (install-mkheaders): Depend on fixinc_list.  Don't depend on
3025         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
3026         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
3027         SYSTEM_HEADER_DIR setting in mkheaders.conf.
3028
3029 2007-03-06  Jan Hubicka  <jh@suse.cz>
3030
3031         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
3032         NANs easilly.
3033
3034 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3035
3036         * configure.ac: Allow tm_file to contain build-directory files.
3037         * configure: Regenerate.
3038         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
3039         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
3040         * config/m68k/print-sysroot-suffix.sh: New file.
3041
3042 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3043
3044         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
3045         of pic_offset_table_rtx if reload_completed.
3046         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
3047         PIC_OFFSET_TABLE_REGNUM.
3048         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
3049         return true.
3050         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
3051         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
3052
3053 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3054
3055         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3056         functions that call eh_return.
3057
3058 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3059
3060         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3061         functions that need a constant pool.
3062
3063 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3064
3065         PR target/28181
3066         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
3067         (m68k_preferred_reload_class): Likewise.
3068         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
3069         (SECONDARY_RELOAD_CLASS): Define.
3070         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
3071         (LIMIT_RELOAD_CLASS): Delete.
3072         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
3073         registers from storing bytes.
3074         (m68k_secondary_reload_class): New function.
3075         (m68k_preferred_reload_class): Likewise.
3076
3077 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3078
3079         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
3080         leaf functions.
3081         (m68k_expand_prologue): Likewise.
3082
3083 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3084
3085         * config/m68k/m68k-protos.h (output_sibcall): Declare.
3086         (mips_expand_epilogue): Add a bool parameter.
3087         (m68k_legitimize_sibcall_address): Declare.
3088         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
3089         (m68k_expand_epilogue): Add a parameter to select between sibling
3090         and normal epilogues.  Only generate a return for the latter.
3091         (m68k_ok_for_sibcall_p): New function.
3092         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
3093         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
3094         (sibcall_value, *sibcall_value): Likewise.
3095         (*call, *call_value): Require !SIBLING_CALL_P.
3096         (epilogue): Update call to m68k_expand_epilogue.
3097         (sibcall_epilogue): New pattern.
3098         * config/m68k/predicates.md (const_call_operand): Say that this
3099         predicate applies to sibling calls too.
3100         (sibcall_operand): New predicate.
3101
3102 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3103
3104         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
3105         alternatives as movsi_cf.
3106         (movsf_cf_hard): Add commentary.
3107
3108 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
3109             Richard Sandiford  <richard@codesourcery.com>
3110
3111         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
3112         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
3113         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
3114         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
3115         as being live on exit from an interrupt function.
3116         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
3117         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
3118         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
3119         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
3120         (m68k_interrupt_function_p): Globalize.
3121         (m68k_compute_frame_layout): Remove reverse mask code.
3122         (m68k_emit_movem, m68k_set_frame_related): New functions.
3123         (m68k_output_function_prologue): Delete in favor of...
3124         (m68k_expand_prologue): ...this new function.
3125         (m68k_output_function_epilogue): Delete in favor of...
3126         (m68k_expand_epilogue): ...this new function.
3127         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
3128         functions.
3129         (print_operand): Handle %?.
3130         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
3131         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
3132         (prologue, epilogue): New patterns.
3133         (return): Turn into a define_expand.
3134         (*return): New pattern, derived from old "return" pattern.  Use rte
3135         rather than rts for interrupt functions.  Only use rtd if the pop
3136         count is nonzero.
3137         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
3138         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
3139         (link, *link, unlink, *unlink, load_got): Likewise.
3140
3141 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3142
3143         PR target/23482
3144         PR target/17114
3145         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
3146         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
3147         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
3148         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
3149         and m68k_matches_u_p.
3150         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
3151         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
3152         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
3153         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
3154         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
3155         (REG_STRICT_P): New macro.
3156         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
3157         PCREL_GENERAL_OPERAND_OK.
3158         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
3159         m68k_legitimate_base_reg_p.
3160         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
3161         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
3162         (PIC_CASE_VECTOR_ADDRESS): Update comment.
3163         * config/m68k/m68k.c (m68k_address): New structure.
3164         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
3165         (m68k_decompose_index, m68k_legitimate_constant_address_p)
3166         (m68k_jump_table_ref_p, m68k_decompose_address)
3167         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
3168         (m68k_matches_u_p): New functions.
3169         (print_operand_address): Rewrite to use m68k_decompose_index.
3170
3171 2007-03-05  David Taylor  <dtaylor@emc.com>
3172
3173         * gcc.c: Correct copyright date in --version output.
3174
3175 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3176
3177         * pa.md: In unamed move patterns, disparge copies between general
3178         and floating point registers using '?' modifier.  Don't include 'f'
3179         constraint for register preferences in DImode, SImode, HImode and
3180         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
3181         Remove constraints for copies between general and floating registers
3182         in soft-float DFmode pattern.
3183         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
3184         floating register.
3185         (movsf): Likewise.
3186
3187 2007-03-05  Mike Stump  <mrs@apple.com>
3188
3189         * c-common.c (targetcm): Add.
3190         * c-opts.c (c_common_handle_option): Handle language specific
3191         target options.
3192         * opts.c (handle_option): Verify language for target options, if
3193         any are given.
3194         * opth-gen.awk: Add CL_LANG_ALL.
3195         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
3196         (TARGETCM_INITIALIZER): Add.
3197         * target.h (struct gcc_targetcm): Add.
3198         (targetcm): Add.
3199         * targhooks.c (default_handle_c_option): Add.
3200         * targhooks.h (default_handle_c_option): Add.
3201         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
3202
3203         * config/darwin.opt (iframework): Add.
3204         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
3205         * config/darwin-c.c (handle_c_option): Add.
3206         (TARGET_HANDLE_C_OPTION): Add.
3207         (targetcm): Add.
3208         * doc/invoke.texi (Darwin Options): Add -iframework.
3209
3210 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3211
3212         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
3213         conversion.
3214
3215 2007-03-05  Ian Lance Taylor  <iant@google.com>
3216
3217         * c.opt (fgnu89-inline): New option.
3218         * c-opts.c (c_common_post_options): Set default value for
3219         flag_gnu89_inline.
3220         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
3221         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
3222         inline functions.
3223         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
3224         (grokdeclarator, start_function): Likewise.
3225         * c-cppbuiltin.c (c_cpp_builtins): Define either
3226         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
3227         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
3228         (C Dialect Options): Document -fgnu89-inline.
3229         * doc/extend.texi (Function Attributes): Explain what the
3230         gnu_inline attribute does.
3231         * doc/cpp.texi (Common Predefined Macros): Document
3232         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3233
3234 2007-03-05  Ian Lance Taylor  <iant@google.com>
3235
3236         PR tree-optimization/31034
3237         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
3238         half-range if the other side is an overflow infinity.
3239
3240 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3241
3242         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
3243         (bfin*-linux-uclibc*): New configuration.
3244         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
3245         defining.
3246         * config/bfin/linux.h: New file.
3247         * config/bfin/libgcc-bfin.ver: New file.
3248         * config/bfin/t-bfin-uclinux: New file.
3249         * config/bfin/t-bfin-linux: New file.
3250         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
3251         (TARGET_OS_CPP_BUILTINS): New macro.
3252
3253 2007-03-05  Richard Guenther  <rguenther@suse.de>
3254
3255         * fold-const.c (fold_binary): Remove duplicate folding
3256         of comparison of non-null ADDR_EXPR against null.
3257
3258 2007-03-05  Richard Guenther  <rguenther@suse.de>
3259             Dorit Nuzman  <dorit@il.ibm.com>
3260
3261         PR tree-optimization/26420
3262         * tree-vectorizer.c (vectorize_loops): Bail out early if there
3263         are no loops in the function.  Only print the number of
3264         vectorized loops if it is greater than zero or we are supposed
3265         to print information about unvectorized loops.
3266
3267 2007-03-05  Revital Eres  <eres@il.ibm.com>
3268
3269         * gcc.dg/var-expand1.c: New test.
3270         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
3271         when an accumulator is expanded.
3272
3273 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3274
3275         PR other/30465
3276         * c-common.c (convert_and_check): Don't give warnings for
3277         conversion if 'expr' already overflowed.
3278
3279 2007-03-04  Roger Sayle  <roger@eyesopen.com>
3280
3281         PR middle-end/30744
3282         * fold-const.c (fold_comparison): Enforce type consistency when
3283         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
3284
3285 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
3286
3287         * tree-ssa-address.c (create_mem_ref): Do not put an expression
3288         containing a cast to the base of TARGET_MEM_REF.
3289
3290 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
3291
3292         * tree.c (tree_contains_struct_check_failed): Remove spurious
3293         whitespace from error message.
3294
3295 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
3296
3297         PR target/30406
3298         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
3299         instead of precision.
3300
3301 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
3302             Nathan Sidwell  <nathan@codesourcery.com>
3303
3304         * emit-rtl.c (find_auto_inc): New.
3305         (try_split): recreate REG_INC notes,
3306         Use regular for loops rather than whiles.
3307
3308 2007-03-03  Andreas Schwab  <schwab@suse.de>
3309
3310         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
3311         * configure: Regenerate.
3312
3313 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3314
3315         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
3316         flag_rounding_math, not flag_unsafe_math_optimizations.
3317
3318         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
3319         fold_build2.
3320         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
3321         alpha_fold_vector_minmax): Likewise.
3322         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3323         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
3324
3325 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3326
3327         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
3328         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
3329         if the lhs has side-effects.
3330         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
3331
3332 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3333
3334         * config/i386/i386.h (TUNEMASK): Remove define.
3335         (ARCHMASK): Remove define.
3336         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
3337          Use ix86_arch_mask variable instead of ARCHMASK.
3338         * config/i386/i386.c (override_options): Ditto.
3339         (standard_80387_constant_p): Ditto.
3340
3341 2007-03-02  Ian Lance Taylor  <iant@google.com>
3342
3343         Used signed infinities in VRP.
3344         * tree-vrp.c (uses_overflow_infinity): New static function.
3345         (supports_overflow_infinity): New static function.
3346         (make_overflow_infinity): New static function.
3347         (negative_overflow_infinity): New static function.
3348         (positive_overflow_infinity): New static function.
3349         (is_negative_overflow_infinity): New static function.
3350         (is_positive_overflow_infinity): New static function.
3351         (is_overflow_infinity): New static function.
3352         (overflow_infinity_range_p): New static function.
3353         (compare_values_warnv): New function split out of compare_values.
3354         (compare_value): Call it.
3355         (set_value_range_to_nonnegative): Add overflow_infinity
3356         parameter.  Change caller.
3357         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
3358         Change callers.
3359         (vrp_expr_computes_nonzero): Likewise.
3360         (compare_ranges, compare_range_with_value): Likewise.
3361         (compare_name_with_value, compare_names): Likewise.
3362         (vrp_evaluate_conditional): Likewise.
3363         (set_value_range): Handle infinity
3364         (vrp_operand_equal_p, operand_less_p): Likewise.
3365         (extract_range_from_assert): Likewise.
3366         (vrp_int_const_binop): Likewise.
3367         (extract_range_from_binary_expr): Likewise.
3368         (extract_range_from_unary_expr): Likewise.
3369         (extract_range_from_comparison): Likewise.
3370         (extract_range_from_expr): Likewise.
3371         (dump_value_range): Likewise.
3372         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
3373         (test_for_singularity): Likewise.
3374         (vrp_int_const_binop): Remove inline qualifier.
3375         (adjust_range_with_scev): Add comment.
3376         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3377
3378 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
3379
3380         * tree-ssa-structalias.c (could_have_pointers): Tidy.
3381         (get_constraint_for): Likewise.
3382         (do_structure_copy): Likewise.
3383         (find_func_aliases): Fix references to MODIFY_EXPR.
3384         (intra_create_variable_infos): Tidy.
3385         * tree-ssa-operands.c (add_virtual_operand): Add argument
3386         IS_CALL_SITE.
3387         When adding members of alias sets, if IS_CALL_SITE is true and
3388         the symbol is not call-clobbered, skip it.
3389         Adjust all callers.
3390
3391 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3392
3393         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
3394         entry by means of emit_insn_at_entry.
3395
3396 2007-03-02  Richard Henderson  <rth@redhat.com>
3397
3398         * expr.h (promoted_input_arg): Remove decl.
3399         * function.c (promoted_input_arg): Merge into ...
3400         * combine.c (setup_incoming_promotions): ... only caller.
3401         Rearrange to avoid double loop.
3402
3403 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3404             Peter Bergner  <bergner@vnet.ibm.com>
3405             Janis Johnson  <janis187@us.ibm.com>
3406
3407         * config/rs6000/dfp.md: New file.
3408         * config/rs6000/rs6000.md: Include dfp.md.
3409         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
3410         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
3411         and TDmode decimal float modes in FP registers.
3412         (num_insns_constant): Likewise.
3413         (rs6000_legitimate_offset_address_p): Likewise.
3414         (rs6000_legitimize_address): Likewise.
3415         (rs6000_legitimize_reload_address): Likewise.
3416         (rs6000_legitimate_address): Likewise.
3417         (rs6000_emit_move): Likewise.
3418         (function_arg_boundary): Likewise.
3419         (function_arg_advance): Likewise.
3420         (rs6000_darwin64_record_arg_recurse): Likewise.
3421         (function_arg): Likewise.
3422         (rs6000_gimplify_va_arg): Likewise.
3423         (rs6000_split_multireg_move): Likewise.
3424         (rs6000_output_function_epilogue): Likewise.
3425         (rs6000_output_function_epilogue): Likewise.
3426         (rs6000_register_move_cost): Likewise.
3427         (rs6000_function_value): Likewise.
3428         (rs6000_libcall_value): Likewise.
3429
3430 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3431
3432         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
3433
3434 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3435
3436         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
3437         Use $MULTIDIR to choose between the kernel and RTP headers,
3438         and use $WIND_BASE and $WIND_USR to locate them.
3439
3440 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3441
3442         * config/i386/i386.c (override_options): Put initialization of
3443         ix86_tune_mask and ix86_arch_mask to the correct place.
3444
3445 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3446             Michael Meissner  <michael.meissner@amd.com>
3447
3448         PR target/31019
3449         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
3450         (ARCHMASK): Define.
3451         (TARGET_CMOVE): Use ARCHMASK.
3452         (TARGET_CMPXCHG): Ditto.
3453         (TARGET_CMPXCHG8B): Ditto.
3454         (TARGET_XADD): Ditto.
3455         (TARGET_BSWAP): Ditto.
3456         * config/i386/i386.c (ix86_tune_mask): New global variable.
3457         (ix86_arch_mask): Ditto.
3458         (override_options): Initialize ix86_tune_mask and
3459         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
3460         target_flags.
3461
3462 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3463
3464         PR 30992
3465         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
3466
3467 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
3468
3469         * target.h (init_dwarf_reg_sizes_extra): New target hook.
3470         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
3471         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3472         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3473         hook.
3474         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3475         rs6000_init_dwarf_reg_sizes_extra): New.
3476         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3477         SPE register high parts.
3478
3479 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3480
3481         * Makefile.in: Add install-pdf target as
3482         copied from automake v1.10 rules.
3483         * configure.ac: Add install-pdf to target list.
3484         * configure: Regenerate.
3485
3486 2007-03-01  Paul Brook  <paul@codesourcery.com>
3487
3488         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3489         modes to LDRD for DImode.
3490         (output_move_double): Fixup out of range ldrd/strd.
3491         (vfp_secondary_reload_class): Rename...
3492         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3493         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3494         coproc_secondary_reload_class for CLASS_IWMMXT.
3495         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3496         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3497
3498 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3499
3500         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3501         factor by the estimated number of iterations.
3502         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3503         prefetch latency.
3504
3505         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3506         decode_caches_intel, detect_caches_intel): New functions.
3507         (host_detect_local_cpu): Use detect_caches_amd and
3508         detect_caches_intel.
3509
3510 2007-03-01  Richard Henderson  <rth@redhat.com>
3511
3512         * expr.c (emit_move_complex_push): Export.
3513         (emit_move_complex_parts): Split out from ...
3514         (emit_move_complex): ... here.
3515         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3516         * config/i386/i386.md (movcdi): New.
3517
3518 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3519
3520         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3521         size of mode1 to check for tieable modes in MMX case.
3522
3523 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3524
3525         * Makefile.in (rtlanal.o): Depend on tree.h.
3526         * rtl.h (offset_within_section_p, split_const): Declare.
3527         * rtlanal.c: Include tree.h.
3528         (offset_within_block_p): New function, taken from
3529         mips_offset_within_object_p.
3530         (split_const): New function, taken from mips_split_const.
3531         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3532         Declare.
3533         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3534         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3535         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3536         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3537         (m68k_illegitimate_symbolic_constant_p): New function.
3538         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3539         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3540         symbolic constant that might be outside the symbol's section,
3541         move the symbol first and then add the offset.
3542         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3543         Override.
3544         * config/mips/mips.c (mips_split_const): Delete.
3545         (mips_offset_within_object_p): Delete.
3546         (mips_symbolic_constant_p): Use offset_within_section_p and
3547         split_const instead of mips_offset_within_object_p and
3548         mips_split_const.
3549         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3550         (mips_legitimize_const_move, print_operand_reloc)
3551         (mips_dangerous_for_la25_p): Use split_const instead of
3552         mips_split_const.
3553
3554 2007-02-28  Eric Christopher  <echristo@apple.com>
3555
3556         * Makefile.in (install-include-dir): Don't rm -rf include.
3557
3558 2007-02-28  Richard Guenther  <rguenther@suse.de>
3559
3560         PR middle-end/30364
3561         * fold-const.c (fold_binary): Do not associate expressions
3562         with more than one variable for integer types that do not wrap.
3563
3564 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3565
3566         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3567         Delete, and replace with...
3568         (fold_builtin_call_array): This.  Update callers to use it.
3569         * fold-const.c (fold_build_call_list): Delete, and replace with...
3570         (fold_build_call_array): This.
3571         (fold_build_call_list_initializer): Delete, and replace with...
3572         (fold_build_call_array_initializer): This.
3573         * tree.h: Update declarations to reflect above changes.
3574
3575         * c-typeck.c (build_function_call): Store converted arguments
3576         in a stack-allocated array instead of building a list.
3577         (convert_arguments): Store arguments in the array passed in as an
3578         argument, and return the actual number of arguments.
3579         * c-format.c: (check_function_format): Pass arguments in an
3580         array instead of a list.
3581         * c-common.c (check_function_nonnull): Likewise.
3582         (check_function_sentinel): Likewise.
3583         (check_function_arguments): Likewise.
3584         * c-common.h: Update declarations to reflect above changes.
3585
3586 2007-02-28  Jan Hubicka  <jh@suse.cz>
3587
3588         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3589         PRED_NEGATIVE_RETURN): Update outcomes.
3590
3591 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3592
3593         * calls.c (emit_library_call_value_1): Handle partial registers
3594         correctly when building up CALL_INSN_FUNCTION_USAGE.
3595
3596 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3597
3598         * pa/predicates.md (move_src_operand): Allow zero for mode.
3599         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
3600         move pattern.
3601
3602 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
3603
3604         PR target/30970
3605         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
3606         *movv2df_internal): Enable pattern only for valid operand
3607         combinations.
3608         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
3609         tie only 128bit modes. For MMX registers, tie only 64bit modes.
3610
3611 2007-02-27  Mike Stump  <mrs@apple.com>
3612
3613         * config/darwin-crt3.c: Avoid compilation when compiling for a
3614         kext multilib.
3615
3616 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
3617
3618         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
3619         FIXED_INCLUDE_DIR.
3620         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
3621         for fixed headers and limits.h.
3622         (install-include-dir, install-headers-tar, install-headers-cpio,
3623         install-headers-cp, real-install-headers-tar,
3624         real-install-headers-cpio, real-install-headers-cp): Handle
3625         include-fixed as well as include.
3626         (install-mkheaders): Don't install files that go only in include
3627         not include-fixed.
3628         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
3629         from GCC_INCLUDE_DIR.
3630         * gcc.c (process_command): Remove special -BstageN/ handling.
3631         (do_spec_1): Add include-fixed directories.
3632
3633 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3634
3635         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
3636         _smulsi3_highpart.
3637         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
3638         New functions.
3639         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
3640         patterns.
3641
3642 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
3643
3644         * c-common.c (get_priority): Add check for
3645         SUPPORTS_INIT_PRIORITY.
3646
3647 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3648
3649         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
3650
3651         * config/bfin/bfin.c: Include "cfglayout.h".
3652         (MAX_LSETUP_DISTANCE): New macro.
3653         (struct loop_info): New members incoming, incoming_src and
3654         incoming_dest.  Delete member predecessor.
3655         (length_for_loop): New function.
3656         (bfin_optimize_loop): Handle more different loop structures.
3657         (bfin_discover_loop): Rework detection of predecessor blocks by
3658         examining incoming edges.
3659         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
3660         bfin_reorg_loops.
3661         (bfin_reorder_loops): New function.
3662         (bfin_reorg_loops): Use these three new functions.
3663
3664         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
3665         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
3666         (CONSTRAINT_LEN): Add entry for 'q'.
3667         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
3668         Add 'q' constraints.
3669         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
3670         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
3671
3672         * config/bfin/bfin.md (add_with_carry): New pattern.
3673         (s_or_u, su_optab, su_modifier): New code macros/attrs.
3674         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
3675         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
3676         support unsigned multiplies too.  Removed incorrect commutativity from
3677         operand 1 constraint where appropriate.
3678         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
3679         patterns.
3680         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
3681         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
3682         New patterns.
3683         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
3684         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
3685         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
3686         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
3687         usmulhisi_hh_huh): New patterns.
3688
3689         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
3690         lshifthi3): Fix output template to use half reg for operand 2.
3691
3692         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
3693         instead of R2.
3694
3695         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
3696
3697 2007-02-27  Andreas Schwab  <schwab@suse.de>
3698
3699         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
3700
3701 2007-02-27  Jan Hubicka  <jh@suse.cz>
3702
3703         * predict.c (last_basic_block_p): Remove.
3704         (tree_estimate_probability): Update return heuristic for commonized
3705         return blocks.
3706
3707 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3708
3709         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
3710
3711 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3712
3713         * doc/include/gcc-common.texi (versionsubtitle): New macro.
3714         * doc/cpp.texi: Standardize title page.
3715         * doc/cppinternals.texi: Likewise.
3716         * doc/gcc.texi: Standardize title page, remove version number
3717         from copyright page.
3718         * doc/gccint.texi: Likewise.
3719         * doc/install.texi: Standardize title page, add table of
3720         contents.
3721
3722 2007-02-26  Jan Hubicka  <jh@suse.cz>
3723
3724         * predict.def: Set outcomes according to more recent results.
3725         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
3726         Remove dead predictors.
3727         * predict.c (return_prediction): Fix pasto.
3728
3729 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3730
3731         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
3732         change; avoid a memory leak when returning early.
3733
3734 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
3735
3736         * c-decl.c (static_ctors): Move to c-common.c.
3737         (static_dtors): Likewise.
3738         (finish_function): Use c_record_cdtor_fn.
3739         (build_cdtor): Move to c-common.c.
3740         (c_write_global_declarations): Use c_build_cdtor_fns.
3741         * c-common.h (static_ctors): Declare.
3742         (static_dtors): Likewise.
3743         (c_record_cdtor_fn): Likewise.
3744         (c_build_cdtor_fns): Likewise.
3745         * c-common.c (static_ctors): New variable.
3746         (static_dtors): Likewise.
3747         (c_record_cdtor_fn): New function.
3748         (build_cdtor): Move from c-decl.c
3749         (c_build_cdtor_fns): New function.
3750
3751         * output.h (assemble_addr_to_section): Declare.
3752         (get_cdtor_priority_section): Likewise.
3753         * varasm.c (assemble_addr_to_section): New function.
3754         (get_cdtor_priority_section): Likewise.
3755         (default_named_section_asm_out_destructor): Use them.
3756         (destor_dtor_section_asm_out_destructor): Likewise.
3757         (default_named_section_asm_out_constructor): Likewise.
3758         (default_ctor_section_asm_out_constructor): Likewise.
3759         * config.gcc (*-*-vxworks*): Include vxworks.o.
3760         * config/t-vxworks (vxworks.o): New target.
3761         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
3762         (TARGET_ASM_CONSTRUCTOR): Define.
3763         (TARGET_ASM_DESTRUCTOR): Likewise.
3764         (vxworks_asm_out_constructor): Declare.
3765         (vxworks_asm_out_destructor): Likewise.
3766
3767         * c-common.c (get_priority): Check that we have not just an
3768         INTEGER_CST, but an integer constant with integeral type.
3769
3770 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
3771
3772         PR tree-optimization/30938
3773         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
3774         use &dt[nargs-1] instead of &dt[nargs] in the call to
3775         vect_is_simple_use().
3776
3777 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
3778
3779         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
3780         from register elimination as PRE_MODIFY / POST_MODIFY increments.
3781         Do not attempt to handle MEM inside auto-inc expressions.
3782         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
3783         of a register modified by an auto-inc expression.  However, do handle
3784         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
3785         (elimination_effects): Prohibit elimination of a register modified
3786         by an auto-inc expression.  Disable register elimination rules whose
3787         target register is modified by an auto-inc expression with variable
3788         increment.
3789
3790 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3791
3792         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
3793         off-by-one error.
3794         (array_at_struct_end_p): New function.
3795         (idx_infer_loop_bounds): Use it.
3796         (estimate_numbers_of_iterations_loop): Export.
3797         * predict.c (predict_loops): Use estimated_loop_iterations_int.
3798         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
3799         (tree_estimate_probability): Call record_loop_exits.
3800         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
3801         (estimated_loop_iterations, estimated_loop_iterations_int,
3802         estimated_loop_iterations_tree): New functions.
3803         (analyze_siv_subscript_cst_affine,
3804         compute_overlap_steps_for_affine_1_2,
3805         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
3806         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
3807         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
3808         (PRED_LOOP_ITERATIONS_GUESSED): New.
3809         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
3810         * cfgloop.h (estimate_numbers_of_iterations_loop,
3811         estimated_loop_iterations_int): Declare.
3812
3813 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
3814
3815         * doc/extend.texi: Document optional priority argument to
3816         constructors and destructors.
3817         * tree.c (init_priority_for_decl): Adjust GTY markers.
3818         (init_ttree): Use priority-info hash functions for
3819         init_priority_for_decl.
3820         (tree_map_eq): Rename to ...
3821         (tree_map_base_eq): ... this.
3822         (tree_map_marked_p): Rename to ...
3823         (tree_map_base_marked_p): ... this.
3824         (tree_map_base_hash): New function.
3825         (decl_init_priority_lookup): Rework.
3826         (decl_fini_priority_lookup): New function.
3827         (decl_priority_info): New function.
3828         (decl_init_priority_insert): Use it.
3829         (decl_fini_priority_insert): Likewise.
3830         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
3831         hierarchy.
3832         (decl_restrict_base_insert): Likewise.
3833         (decl_debug_expr_insert): Likewise.
3834         (decl_value_expr_lookup): Likewise.
3835         (decl_value_expr_insert): Likewise.
3836         * tree.h (priority_type): New type.
3837         (decl_init_priority_lookup): Use priority_type.
3838         (decl_fini_priority_lookup): New function.
3839         (decl_init_priority_insert): Use priority_type.
3840         (decl_fini_priority_insert): New function.
3841         (DECL_HAS_INIT_PRIORITY): Tweak comments.
3842         (DECL_INIT_PRIORITY): Likewise.
3843         (SET_DECL_INIT_PRIORITY): Add comment.
3844         (DECL_FINI_PRIORITY): New macro.
3845         (SET_DECL_FINI_PRIORITY): Likewise.
3846         (DEFAULT_INIT_PRIORITY): Document.
3847         (MAX_INIT_PRIORITY): Likewise.
3848         (MAX_RESERVED_INIT_PRIORITY): Likewise.
3849         (tree_map_base): New type.
3850         (tree_map_base_eq): New function.
3851         (tree_map_base_hash): Likewise.
3852         (tree_map_base_marked_p): Likewise.
3853         (tree_map): Inherit from tree_map_base.
3854         (tree_map_eq): Make it a macro.
3855         (tree_map_marked_p): Likewise.
3856         (tree_int_map): Inherit from tree_map_base.
3857         (tree_int_map_eq): Make it a macro.
3858         (tree_int_map_hash): Likewise.
3859         (tree_int_map_marked_p): Likewise.
3860         (tree_priority_map): New type.
3861         (tree_priority_map_eq): New macro.
3862         (tree_priority_map_hash): Likewise.
3863         (tree_priority_map_marked_p): Likewise.
3864         * varasm.c (emults_decl): Adjust for refactoring of tree_map
3865         hierarchy.
3866         (emutls_common_1): Likewise.
3867         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
3868         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
3869         of tree_map hierarchy.
3870         * tree-cfg.c (move_stmt_r): Likewise.
3871         (new_label_mapper): Likewise.
3872         * c-tree.h (c_expand_body): Move to ...
3873         * c-common.h (c_expand_body): ... here.
3874         * c-decl.c (c_expand_body): Move to ...
3875         * c-common.c (c_expand_body): ... here.
3876         (c_common_attribute_table): Allow 1 argument for the constructor
3877         and destructor attributes.
3878         (get_priority): New function.
3879         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
3880         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
3881
3882 2007-02-24  Jan Hubicka  <jh@suse.cz>
3883
3884         PR middle-end/30509
3885         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
3886
3887 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3888             Jan Hubicka  <jh@suse.cz>
3889
3890         PR target/30778
3891         * i386.c (counter_mode): New function.
3892         (expand_set_or_movmem_via_loop): Use it.
3893         (expand_movmem_epilogue): Likewise; fix pasto.
3894         (ix86_expand_movmem): Do emit guard even for constant counts.
3895         (ix86_expand_setmem): Likewise.
3896
3897 2007-02-25  Nick Clifton  <nickc@redhat.com>
3898
3899         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
3900         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3901
3902 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3903
3904         PR target/30770
3905         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
3906         count argument with 0x10, not with 0x16.
3907         (expand_setmem_epilogue): Ditto.
3908
3909 2007-02-24  Mike Stump  <mrs@apple.com>
3910
3911         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
3912         symbols.
3913
3914 2007-02-24  Richard Guenther  <rguenther@suse.de>
3915
3916         PR middle-end/30951
3917         * fold-const.c (fold_binary): Fold x +- CST op x for
3918         EQ_EXPR and NE_EXPR.
3919
3920 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3921
3922         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
3923
3924 2007-02-24  Jan Hubicka  <jh@suse.cz>
3925
3926         * cgraphunit.c (decide_is_function_needed): Honor
3927         -fkeep-inline-functions.
3928
3929 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3930
3931         * builtins.c (fold_builtin_modf): New.
3932         (fold_builtin_2): Use it.
3933
3934 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3935
3936         * loop-iv.c (implies_p): Detect additional cases where A implies B.
3937         (determine_max_iter): Take additional LOOP arg; all callers changed.
3938         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
3939         one using simplifications.
3940         (simplify_using_initial_values): Return if the expression becomes
3941         invalid due to altered regs.
3942
3943 2007-02-23  DJ Delorie  <dj@redhat.com>
3944
3945         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
3946
3947 2007-02-23  Mike Stump  <mrs@apple.com>
3948
3949         * tlink.c (scan_linker_output): Parse linker messages from
3950         darwin9's linker better.
3951
3952 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
3953
3954         PR debug/29614
3955         * varpool.c (varpool_assemble_pending_decls):  Set
3956         varpool_last_needed_node to null.
3957
3958 2007-02-23  DJ Delorie  <dj@redhat.com>
3959
3960         * config/i386/i386.c (ix86_data_alignment): Don't specify an
3961         alignment bigger than the object file can handle.
3962
3963 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
3964
3965         PR target/30825
3966         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
3967         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
3968         (*movsf_1): Penalize MMX moves.
3969
3970 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3971
3972         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
3973         2^32-1 or more times unless flag_unsafe_loop_optimizations.
3974
3975         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
3976
3977 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3978
3979         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
3980         (fold_builtin_1): Use them.
3981         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3982         BUILT_IN_SIGNIFICAND.
3983
3984 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
3985
3986         * config/i386/i386.c (bdesc_1arg): Initialize
3987         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
3988         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
3989         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
3990         and IX86_BUILTIN_MOVSLDUP.
3991
3992 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
3993
3994         PR rtl-optimization/30841
3995         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
3996
3997 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3998
3999         * builtins.c (fold_builtin_frexp): New.
4000         (fold_builtin_2): Use it.
4001
4002 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4003
4004         * doc/invoke.texi (Spec Files): Document getenv spec function.
4005
4006         * gcc.c (getenv_spec_function): New function.
4007         (static_spec_functions): Add it.
4008         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4009         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4010         header files.
4011
4012 2007-02-22  Michael Matz  <matz@suse.de
4013
4014         PR c++/29433
4015         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4016         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4017
4018 2007-02-22  Ian Lance Taylor  <iant@google.com>
4019
4020         PR debug/30898
4021         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4022         (mem_loc_descriptor): Call it.
4023
4024 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
4025             Ira Rosen  <irar@il.ibm.com>
4026
4027         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
4028
4029 2007-02-22  Ira Rosen  <irar@il.ibm.com>
4030
4031         PR tree-optimization/30843
4032         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
4033         stores only after all the group is vectorized.
4034
4035 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
4036
4037         PR tree-optimization/30858
4038         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
4039         in the reduction cycle have a single use in the loop.
4040         * tree-vectorizer.h (relevant): Add documentation.
4041
4042 2007-02-20  Mike Stump  <mrs@apple.com>
4043
4044         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
4045         * configure: Regenerate.
4046
4047 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4048
4049         Change the defaults of some parameters and options.
4050         * config/spu/spu-protos.h (spu_optimization_options): Declare.
4051         * config/spu/spu.c (spu_optimization_options): Add.
4052         (spu_override_options): Change params in spu_optimization_options.
4053         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
4054
4055         Register 127 is only 16 byte aligned when used as a frame pointer.
4056         * config/spu/spu-protos.h (spu_init_expanders): Declare.
4057         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
4058         HARD_FRAME_POINTER_REGNUM.
4059         (spu_legitimate_address):  Use regno_aligned_for_reload.
4060         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
4061         aligned when frame_pointer_needed is true.
4062         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
4063         to 8 bits.
4064         * config/spu/spu.h (INIT_EXPANDERS): Define.
4065
4066         Make sure shift and rotate instructions have valid immediate operands.
4067         * config/spu/predicates.md (spu_shift_operand): Remove.
4068         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
4069         * config/spu/constraints.md (W, O): Extend range.
4070         * config/spu/spu.md (umask, nmask): Define.
4071         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
4072         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
4073         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
4074         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
4075         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
4076         (lshr<mode>3_reg):  Fix rtl description.
4077
4078         Make sure mulhisi immediate operands are valid.
4079         * config/spu/predicates.md (imm_K_operand): Add.
4080         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
4081
4082         Generate constants using fsmbi and andi.
4083         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
4084         (print_operand, spu_split_immediate, classify_immediate,
4085         fsmbi_const_p): Handle IC_FSMBI2.
4086
4087         Correctly handle a CONST_VECTOR containing symbols.
4088         * config/spu/spu.c (print_operand): Handle HIGH correctly.
4089         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
4090         (immediate_load_p): Allow symbols that use 2 instructions to create.
4091         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
4092         with symbols when flag_pic is set.
4093         (const_vector_immediate_p): New.
4094         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
4095         accept a CONST_VECTOR with symbols.
4096         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
4097         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
4098         correctly.
4099         * config/spu/spu.md (high, low): Delete.
4100         (low_<mode>): Define.
4101
4102         Remove INTRmode and INTR_REGNUM, which didn't work.
4103         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
4104         of INTR_REGNUM.
4105         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
4106         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
4107         peephole2 pattern): Don't use INTR or 131.
4108         (movintrcc): Delete.
4109         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
4110         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
4111         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
4112         (UNSPEC_SET_INTR): Add.
4113         * config/spu/spu-modes.def (INTR): Remove.
4114
4115         More accurate warnings about run-time relocations.
4116         * config/spu/spu.c (reloc_diagnostic): Test in_section.
4117
4118         Correctly warn about immediate arguments to specific intrinsics.
4119         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
4120         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
4121         the instruction predicate.
4122
4123         Fix tree check errors with latest update.
4124         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
4125         CALL_EXPR_ARG.
4126         (spu_expand_builtin): Use CALL_EXPR_FN.
4127
4128         Add missing specific intrinsics.
4129         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
4130         si_bislede.
4131         * config/spu/spu_internals.h: Ditto.
4132
4133         Fix incorrect operand modifiers.
4134         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
4135         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
4136
4137         Optimize one case of zero_extend of a vec_select.
4138         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
4139
4140         Accept any immediate for hbr.
4141         * config/spu/spu.md (hbr):  Change s constraints to i.
4142
4143 2007-02-21  Paul Brook  <paul@codesourcery.com>
4144
4145         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4146         condexec_count when skipping USE and CLOBBER.
4147
4148 2007-02-21  Nick Clifton  <nickc@redhat.com>
4149
4150         * common.opt (Warray-bounds): Add Warning attribute.
4151         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
4152         Likewise.
4153         (fsized-zeroes): Add Optimization attribute.
4154         (fsplit-wide-types, ftree-scev-cprop): Likewise.
4155         * c.opt (Wc++0x-compat): Add Warning attribute.
4156
4157 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4158
4159         PR middle-end/30761
4160         * reload1.c (eliminate_regs_in_insn): In the single_set special
4161         case, attempt to re-recognize the insn before falling back to
4162         having reload fix it up.
4163
4164 2007-02-20  Eric Christopher  <echristo@gmail.com>
4165
4166         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4167         Rewrite accordingly.
4168         (frv_read_iacc_argument): Ditto.
4169         (frv_expand_set_builtin): Take a call instead of arglist, update for
4170         above changes.
4171         (frv_expand_unop_builtin): Ditto.
4172         (frv_expand_binop_builtin): Ditto.
4173         (frv_expand_cut_builtin): Ditto.
4174         (frv_expand_binopimm_builtin): Ditto.
4175         (frv_expand_voidbinop_builtin): Ditto.
4176         (frv_expand_int_void2arg): Ditto.
4177         (frv_expand_prefetches): Ditto.
4178         (frv_expand_voidtriop_builtin): Ditto.
4179         (frv_expand_voidaccop_builtin): Ditto.
4180         (frv_expand_load_builtin): Ditto.
4181         (frv_expand_store_builtin): Ditto.
4182         (frv_expand_mdpackh_builtin): Ditto.
4183         (frv_expand_mclracc_builtin): Ditto.
4184         (frv_expand_mrdacc_builtin): Ditto.
4185         (frv_expand_mwtacc_builtin): Ditto.
4186         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
4187         calls for above.
4188
4189 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
4190
4191         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
4192         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
4193         cmpb instruction.
4194         (HAVE_GAS_DFP): Check for assembler support of decimal floating
4195         point instructions.
4196         * configure: Regenerate.
4197         * config.in: Regenerate.
4198         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
4199         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
4200         masks to power6 and power6x and to POWERPC_MASKS.
4201         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4202         _ARCH_PWR6.
4203         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
4204         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
4205         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4206         Access PROTOTYPE as variable, not mask.
4207
4208 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4209
4210         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
4211         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
4212         * combine.c (adjust_for_new_dest): Use it.
4213         * postreload.c (reload_combine): Likewise.
4214
4215 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4216
4217         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
4218         notes on an insn with multiple sets, even if single_set returns
4219         non-NULL for that insn.
4220
4221 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4222
4223         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
4224         scalbn and scalbln.
4225
4226 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
4227
4228         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
4229         if user didn't pass it.
4230         * config/i386/darwin.h (CC1_SPEC): Likewise.
4231         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
4232         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
4233         -mmacosx-version-min.
4234
4235 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4236             Uros Bizjak  <ubizjak@gmail.com>
4237
4238         * optabs.h (enum optab_index): Add new OTI_scalb.
4239         (scalb_optab): Define corresponding macro.
4240         * optabs.c (init_optabs): Initialize scalb_optab.
4241         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
4242         patterns.
4243         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
4244         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
4245         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
4246         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
4247         flag_unsafe_math_optimizations is set.
4248
4249         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
4250         to implement scalbf, scalb and scalbl built-ins as inline x87
4251         intrinsics.
4252
4253 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4254             DJ Delorie <dj@redhat.com>
4255
4256         PR other/30824
4257         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
4258         (diagnostic_report_diagnostic): ... here, and turn them into real
4259         errors. If warnings are inhibited, no need to do anything.
4260
4261 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
4262
4263         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
4264         better code generation.
4265
4266 2007-02-20  Ben Elliston  <bje@au.ibm.com>
4267
4268         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
4269
4270 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
4271
4272         * config/alpha/alpha.c, config/alpha/alpha.md,
4273         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
4274         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
4275         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
4276         config/arm/lib1funcs.asm: Follow spelling conventions.
4277
4278         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
4279         config/fr30/fr30.md, config/i386/i386.h,
4280         config/iq2000/iq2000.h, config/iq2000/predicates.md,
4281         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
4282         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
4283         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
4284         config/rs6000/altivec.md, config/rs6000/rs6000.c,
4285         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
4286         config/sparc/sparc.c, config/sparc/sparc.h,
4287         config/sparc/sparc.md, config/spu/constraints.md,
4288         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
4289         conventions.
4290
4291 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
4292
4293         PR target/29943
4294         * varasm.c (use_blocks_for_decl_p): Return false for decls with
4295         alias attribute.
4296
4297 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4298
4299         * doc/invoke.texi (-ftree-lrs): Remove.
4300
4301 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
4302
4303         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
4304         NULL.
4305
4306 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
4307
4308         * config/ia64/ia64.c (ia64_expand_builtin): Use the
4309         new CALL_EXPR_FN macro for retrieving the function
4310         declaration of the input expression.
4311
4312 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4313
4314         * c.opt (Waddress): New.
4315         * common.opt (Walways-true): Delete.
4316         (Wstring-literal-comparison): Delete.
4317         * doc/invoke.texi (Warning Options): Delete -Walways-true and
4318         -Wstring-literal-comparison. Add -Waddress.
4319         (Waddress): New.
4320         (Walways-true): Delete.
4321         (Wstring-literal-comparison): Delete.
4322         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
4323         consistently instead of -Walways-true in example.
4324         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
4325         * c-typeck.c (parser_build_binary_op): Replace
4326         -Wstring-literal-comparison and -Walways-true with -Waddress.
4327         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
4328         with -Waddress.
4329
4330 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4331
4332         * tree-cfg.c (dump_function_to_file): Be prepared for functions
4333         without DECL_STRUCT_FUNCTION initialized.
4334
4335 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4336
4337         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
4338         due to calls to functions taking pointers as parameters.
4339
4340 2007-02-19  Richard Henderson  <rth@redhat.com>
4341
4342         PR debug/29558
4343         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
4344         in memory.
4345
4346 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4347
4348         * config/s390/s390.c (s390_call_saved_register_used,
4349         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
4350         accessed to the new scheme.
4351
4352 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4353
4354         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
4355         (cris_print_index, cris_print_operand, cris_print_operand_address)
4356         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
4357         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
4358         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
4359         GET_CODE () == xxx.
4360         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
4361         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
4362         GO_IF_LEGITIMATE_ADDRESS): Ditto.
4363         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
4364         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
4365         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
4366         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
4367         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
4368         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
4369         (uminsi3, call, call_value): Ditto.
4370         (define_split: indir_to_reg_split, unnamed): Ditto.
4371
4372 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
4373
4374         PR tree-optimization/30975
4375         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
4376         wrong assert.
4377
4378 2007-02-18  Eric Christopher  <echristo@gmail.com>
4379
4380         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
4381         Remove use of arglist.
4382         (mips_expand_builtin): Remove use of arglist, pass in expr.
4383         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
4384         (mips_expand_builtin_movtf): Ditto.
4385         (mips_expand_builtin_compare): Ditto.
4386
4387 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4388
4389         * tree-sra.c (sra_build_assignment): Replace assertion
4390         checking with a comment explaining why it can't be done.
4391
4392 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4393
4394         PR middle-end/30833
4395         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
4396         during CALL_EXPR representation conversion.
4397         * tree-ssa-propagate.c (set_rhs): Likewise.
4398
4399 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4400
4401         * tree-sra.c (sra_build_assignment): Disable assertion checking
4402         for now.
4403
4404 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4405
4406         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
4407         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4408         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
4409         Likewise.
4410         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
4411         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
4412         gimplify_init_ctor_eval_range, gimple_push_cleanup,
4413         gimplify_omp_for, gimplify_omp_atomic_pipeline,
4414         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
4415         force_gimple_operand): Likewise.
4416         * ipa-cp.c (constant_val_insert): Likewise.
4417         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4418         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
4419         perfect_nestify): Likewise.
4420         * langhooks.c (lhd_omp_assignment): Likewise.
4421         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
4422         lower_copyprivate_clauses, lower_send_clauses,
4423         lower_send_shared_vars, expand_parallel_call,
4424         expand_omp_for_generic, expand_omp_for_static_nochunk,
4425         expand_omp_for_static_chunk, expand_omp_sections,
4426         lower_omp_single_copy, lower_omp_for_lastprivate,
4427         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
4428         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
4429         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
4430         Likewise.
4431
4432 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4433
4434         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
4435         config/sh/sh.md: Follow spelling conventions.
4436
4437         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
4438         config/frv/predicates.md: Follow spelling conventions.
4439
4440         * config/m68k/linux-unwind.h: Fix a comment typo.
4441         * target.h: Follow spelling conventions.
4442
4443 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4444
4445         PR rtl-optimization/28173
4446         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
4447         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
4448         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
4449         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
4450         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
4451
4452 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4453
4454         * builtins.c (fold_builtin_load_exponent): New.
4455         (fold_builtin_2): Use it.
4456
4457 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
4458
4459         PR rtl-optimization/30773
4460         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
4461         if we fail to attach a REG_EQUIV note.
4462
4463 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
4464             Roger Sayle  <roger@eyesopen.com>
4465
4466         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
4467
4468 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4469
4470         * calls.c (initialize_argument_information): Pass original EXP
4471         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
4472         code to split complex arguments here, as part of initializing the
4473         ARGS array.
4474         (expand_call): Remove code that builds a list of arguments and
4475         inserts implicit arguments into it.  Instead, just count how many
4476         implicit arguments there will be so we can determine the size of
4477         the ARGS array, and let initialize_argument_information do the work.
4478         (split_complex_values): Delete unused function.
4479
4480 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4481
4482         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
4483
4484 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4485
4486         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
4487         for arg pointer based indexed addressing.
4488
4489 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4490
4491         * config/ia64/ia64.h, config/ia64/ia64.md,
4492         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
4493         spelling conventions.
4494
4495 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4496
4497         * config/m68k/m68k.c (split_di): New.
4498         * config/m68k/m68k-protos.h: Declare split_di.
4499         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
4500           Improve predicate handling and split constant shifts.
4501
4502 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4503
4504         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
4505         parameter for register bitfield operations, general predicates
4506         cleanup
4507
4508 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4509
4510         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
4511         * config/m68k/linux-unwind.h: New file.
4512
4513 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4514
4515         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
4516         config/i386/athlon.md, config/ia64/ia64.md,
4517         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
4518         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
4519         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
4520         tree-ssa-loop-niter.c, tree-vect-analyze.c,
4521         tree-vect-transform.c: Fix comment typos.
4522
4523 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
4524
4525         * sched-deps.c (find_insn_list): Remove.
4526         * sched-int.h: Remove the prototype for find_insn_list.
4527
4528 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
4529
4530         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
4531         to linker.
4532         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
4533         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
4534         darwin_rs6000_override_options.
4535         (C_COMMON_OVERRIDE_OPTIONS): Expect
4536         darwin_macosx_version_min to be non-NULL always.
4537         (TARGET_C99_FUNCTIONS): Likewise.
4538         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
4539         (DARWIN_MINVERSION_SPEC): New.
4540         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
4541         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
4542         to cc1*.
4543         (DARWIN_MINVERSION_SPEC): New.
4544         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
4545         value.
4546         * config/darwin-c.c (darwin_cpp_builtins): Expect
4547         darwin_macosx_version_min to be non-NULL always.
4548
4549         * config/rs6000/rs6000.c: Clean up trailing whitespace.
4550
4551 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
4552
4553         * config/i386/i386.h (x86_use_xchgb): New.
4554         (TARGET_USE_XCHGB): New macro.
4555         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
4556         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
4557         Split after reload into bswaphi for shifts of 8.
4558         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
4559         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
4560         or when optimizing for size.
4561
4562 2007-02-16  Richard Guenther  <rguenther@suse.de>
4563             Christian Bruel  <christian.bruel@st.com>
4564
4565         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
4566         DECLs but prefer SSA_NAMEs over DECLs.
4567
4568 2007-02-16  Richard Guenther  <rguenther@suse.de>
4569
4570         * tree-flow-inline.h (single_imm_use_p): Remove.
4571         (zero_imm_uses_p): Likewise.
4572         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
4573         instead of single_imm_use_p.
4574         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
4575         zero_imm_uses_p.
4576
4577 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4578
4579         PR other/27843
4580         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
4581         nested double- and backquotes.
4582
4583 2007-02-15  Roger Sayle  <roger@eyesopen.com>
4584
4585         PR middle-end/30391
4586         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
4587         should be unreachable.
4588         (build2_stat): Allow construction of MODIFY_EXPR at any time.
4589         For the time being redirect GIMPLE_MODIFY_STMT to the new
4590         (renamed) build_gimple_modify_stmt_stat.
4591         (build2_gimple_stat): Rename to...
4592         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
4593         Always build a GIMPLE_MODIFY_STMT node.
4594         * tree.h (build2_gimple, build2_gimple_stat): Delete.
4595         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
4596         declarations.
4597
4598         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
4599         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
4600         * tree-complex.c (set_component_ssa_name, expand_complex_move,
4601         expand_complex_div_wide): Likewise.
4602         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
4603         * tree-ssa-loop-im.c (schedule_sm): Likewise.
4604         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
4605         * tree-ssa-loop-manip.c (create_iv): Likewise.
4606         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
4607         abs_replacement): Likewise.
4608         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
4609         realify_fake_stores): Likewise.
4610
4611         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
4612         node rather than a GIMPLE_MODIFY_STMT node.
4613         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
4614         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
4615         Likewise.
4616         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
4617         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
4618         GIMPLE_MODIFY_STMT.
4619
4620 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4621
4622         PR middle-end/30433
4623         * fold-const.c (fold_comparison): Add back the
4624         folding of constant complex comparisions.
4625
4626 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4627
4628         PR middle-end/30729
4629         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
4630         effects unknown to this function, return early.
4631
4632 2007-02-15  Ian Lance Taylor  <iant@google.com>
4633
4634         * lower-subreg.c (move_eh_region_note): New static function.
4635         (resolve_simple_move): Call it.
4636         (decompose_multiword_subregs): Track blocks for which we resolve a
4637         simple move which is also a control flow insn.  Pass them to
4638         find_many_sub_basic_blocks.
4639         (pass_lower_subreg): Add TODO_verify_flow.
4640         (pass_lower_subreg2): Likewise.
4641
4642 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4643             Brooks Moses  <brooks.moses@codesourcery.com>
4644             Lee Millward  <lee.millward@codesourcery.com>
4645
4646         * tree.h (enum tree_code_class): Add tcc_vl_exp.
4647         (VL_EXP_CLASS_P): New.
4648         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
4649         TREE_CODE_LENGTH.
4650         (TREE_OPERAND_CHECK_CODE): Likewise.
4651         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
4652         (TREE_RTL_OPERAND_CHECK): Likewise.
4653         (tree_operand_check_failed): Make second parameter the whole tree
4654         instead of its code.  Fixed callers.
4655         (VL_EXP_CHECK): New.
4656         (TREE_OPERAND_LENGTH): New.
4657         (VL_EXP_OPERAND_LENGTH): New.
4658         (CALL_EXPR_FN): New.
4659         (CALL_EXPR_STATIC_CHAIN): New.
4660         (CALL_EXPR_ARGS): New.
4661         (CALL_EXPR_ARG): New.
4662         (call_expr_nargs): New.
4663         (CALL_EXPR_ARGP): New.
4664         (build_nt_call_list): Declare.
4665         (build_vl_exp_stat): Declare.
4666         (build_vl_exp): New.
4667         (build_call_list): Declare.
4668         (build_call_nary): Declare.
4669         (build_call_valist): Declare.
4670         (build_call_array): Declare.
4671         (call_expr_arg): Declare.
4672         (call_expr_argp): Declare.
4673         (call_expr_arglist): Declare.
4674         (fold_build_call_list): Declare.
4675         (fold_build_call_list_initializer): Declare.
4676         (fold_call_expr): Declare to replace fold_builtin.
4677         (fold_builtin_fputs): Update to agree with modified definition.
4678         (fold_builtin_strcpy): Likewise.
4679         (fold_builtin_strncpy): Likewise.
4680         (fold_builtin_memory_chk): Likewise.
4681         (fold_builtin_stxcpy_chk): Likewise.
4682         (fold_builtin_strncpy_chk): Likewise.
4683         (fold_builtin_next_arg): Likewise.
4684         (fold_build_call_expr): Declare.
4685         (fold_builtin_call_list): Declare.
4686         (fold_builtin_call_valist): Declare.
4687         (build_call_expr): Declare.
4688         (validate_arglist): Update to agree with modified definition.
4689         (tree_operand_length): New.
4690         (call_expr_arg_iterator): New.
4691         (init_call_expr_arg_iterator): New.
4692         (next_call_expr_arg): New.
4693         (first_call_expr_arg): New.
4694         (more_call_expr_args_p): New.
4695         (FOR_EACH_CALL_EXPR_ARG): New.
4696
4697         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
4698         and tcc_gimple_stmt.
4699         (tree_code_size): Update documentation.  Use sizeof (tree) rather
4700         than sizeof (char *).
4701         (tree_size): Likewise.  Add case for tcc_vl_exp.
4702         (tree_node_structure): Add case for tcc_vl_exp.
4703         (contains_placeholder_p): Likewise.
4704         (substitute_in_expr): Likewise.
4705         (substitute_placeholder_in_expr): Likewise.
4706         (stabilize_reference_1): Likewise.
4707         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
4708         to diagnose breakage of this interface for constructing CALL_EXPRs.
4709         (build_nt): Add similar assertion here.
4710         (build_nt_call_list): New.
4711         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
4712         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
4713         TREE_CODE_LENGTH.
4714         (get_callee_fndecl): Use new CALL_EXPR accessors.
4715         (tree_operand_check_failed): Change parameters to pass entire node
4716         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
4717         (process_call_operands): New.
4718         (build_vl_exp_stat): New.
4719         (build_call_list): New.
4720         (build_call_nary): New.
4721         (build_call_valist): New.
4722         (build_call_array): New.
4723         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4724         (call_expr_arglist): New.
4725
4726         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
4727         tcc_vl_exp instead of a fixed-size tcc_expression.
4728
4729         * doc/c-tree.texi (CALL_EXPR): Document new representation and
4730         accessors for CALL_EXPRs.
4731         (AGGR_INIT_EXPR): Likewise.
4732
4733 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4734             Brooks Moses  <brooks.moses@codesourcery.com>
4735             Lee Millward  <lee.millward@codesourcery.com>
4736
4737         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
4738         (expand_builtin_nonlocal_goto): Change parameter to be entire
4739         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
4740         (expand_builtin_prefetch): Likewise.
4741         (expand_builtin_classify_type): Likewise.
4742         (mathfn_built_in): Return NULL_TREE instead of 0.
4743         (expand_errno_check): Use new CALL_EXPR accessors.
4744         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
4745         Return NULL_RTX instead of 0.
4746         (expand_builtin_mathfn_2): Likewise.
4747         (expand_builtin_mathfn_3): Likewise.
4748         (expand_builtin_interclass_mathfn): Likewise.
4749         (expand_builtin_sincos): Likewise.
4750         (expand_builtin_cexpi): Likewise.
4751         (expand_builtin_int_roundingfn): Likewise.
4752         (expand_builtin_int_roundingfn_2): Likewise.
4753         (expand_builtin_pow): Likewise.
4754         (expand_builtin_powi): Likewise.
4755         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
4756         of arglist, fixing callers appropriately.  Use new CALL_EXPR
4757         accessors and constructors.  Return NULL_RTX instead of 0.
4758         (expand_builtin_strstr): Likewise.
4759         (expand_builtin_strchr): Likewise.
4760         (expand_builtin_strrchr): Likewise.
4761         (expand_builtin_strpbrk): Likewise.
4762         (expand_builtin_memcpy): Likewise.
4763         (expand_builtin_mempcpy): Likewise.
4764         (expand_builtin_mempcpy_args): New.
4765         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
4766         (expand_builtin_memmove_args): New.
4767         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
4768         (expand_movstr): Likewise.
4769         (expand_builtin_strcpy): Likewise.
4770         (expand_builtin_strcpy_args): New.
4771         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
4772         (expand_builtin_strncpy): Likewise.
4773         (expand_builtin_memset): Likewise.
4774         (expand_builtin_memset_args): New.
4775         (expand_builtin_bzero): Similarly to expand_builtin_memset.
4776         (expand_builtin_memcmp): Likewise.
4777         (expand_builtin_strcmp): Likewise.
4778         (expand_builtin_strncmp): Likewise.
4779         (expand_builtin_strcat): Likewise.
4780         (expand_builtin_strncat): Likewise.
4781         (expand_builtin_strspn): Likewise.
4782         (expand_builtin_strcspn): Likewise.
4783         (expand_builtin_args_info): Likewise.
4784         (expand_builtin_va_start): Likewise.
4785         (gimplify_va_arg_expr): Likewise.
4786         (expand_builtin_va_end): Likewise.
4787         (expand_builtin_va_copy): Likewise.
4788         (expand_builtin_frame_address): Likewise.
4789         (expand_builtin_alloca): Likewise.
4790         (expand_builtin_bswap): Likewise.
4791         (expand_builtin_unop): Likewise.
4792         (expand_builtin_fputs): Likewise.
4793         (expand_builtin_expect): Likewise.
4794         (expand_builtin_fabs): Likewise.
4795         (expand_builtin_copysign): Likewise.
4796         (expand_builtin_printf): Likewise.
4797         (expand_builtin_fprintf): Likewise.
4798         (expand_builtin_sprintf): Likewise.
4799         (expand_builtin_init_trampoline): Likewise.
4800         (expand_builtin_signbit): Likewise.
4801         (expand_builtin_fork_or_exec): Likewise.
4802         (expand_builtin_sync_operation): Likewise.
4803         (expand_builtin_compare_and_swap): Likewise.
4804         (expand_builtin_lock_test_and_set): Likewise.
4805         (expand_builtin_lock_release): Likewise.
4806         (expand_builtin): Likewise.
4807         (builtin_mathfn_code): Likewise.
4808
4809         (fold_builtin_constant_p): Pass call arguments individually instead
4810         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4811         accessors and constructors.  Return NULL_TREE instead of 0.
4812         (fold_builtin_expect): Likewise.
4813         (fold_builtin_classify_type): Likewise.
4814         (fold_builtin_strlen): Likewise.
4815         (fold_builtin_nan): Likewise.
4816         (integer_valued_real_p): Likewise.
4817         (fold_trunc_transparent_mathfn): Likewise.
4818         (fold_fixed_mathfn): Likewise.
4819         (fold_builtin_cabs): Likewise.
4820         (fold_builtin_sqrt): Likewise.
4821         (fold_builtin_cbrt): Likewise.
4822         (fold_builtin_cos): Likewise.
4823         (fold_builtin_cosh): Likewise.
4824         (fold_builtin_tan): Likewise.
4825         (fold_builtin_sincos): Likewise.
4826         (fold_builtin_cexp): Likewise.
4827         (fold_builtin_trunc): Likewise.
4828         (fold_builtin_floor): Likewise.
4829         (fold_builtin_ceil): Likewise.
4830         (fold_builtin_round): Likewise.
4831         (fold_builtin_int_roundingfn): Likewise.
4832         (fold_builtin_bitop): Likewise.
4833         (fold_builtin_bswap): Likewise.
4834         (fold_builtin_logarithm): Likewise.
4835         (fold_builtin_hypot): Likewise.
4836         (fold_builtin_pow): Likewise.
4837         (fold_builtin_powi): Likewise.
4838         (fold_builtin_exponent): Likewise.
4839         (fold_builtin_memset): Likewise.
4840         (fold_builtin_bzero): Likewise.
4841         (fold_builtin_memory_op): Likewise.
4842         (fold_builtin_bcopy): Deleted; call site changed to invoke
4843         fold_builtin_memory_op directly.
4844         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
4845         (fold_builtin_strncpy): Likewise.
4846         (fold_builtin_memcmp): Likewise.
4847         (fold_builtin_strcmp): Likewise.
4848         (fold_builtin_strncmp): Likewise.
4849         (fold_builtin_signbit): Likewise.
4850         (fold_builtin_copysign): Likewise.
4851         (fold_builtin_isascii): Likewise.
4852         (fold_builtin_toascii): Likewise.
4853         (fold_builtin_isdigit): Likewise.
4854         (fold_builtin_fabs): Likewise.
4855         (fold_builtin_abs): Likewise.
4856         (fold_builtin_fmin_fmax): Likewise.
4857         (fold_builtin_carg): Likewise.
4858         (fold_builtin_classify): Likewise.
4859         (fold_builtin_unordered_cmp): Likewise.
4860
4861         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
4862         New functions split out from fold_builtin_1.
4863         (fold_builtin_n): New.
4864         (fold_builtin_varargs): New.
4865         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
4866         instead.
4867         (fold_call_expr): New.
4868         (build_function_call_expr): Rewrite to use new helper function.
4869         (fold_builtin_call_list): New.
4870         (build_call_expr): New.
4871         (fold_builtin_call_valist): New.
4872         (rewrite_call_expr): New.
4873         (validate_arg): New.
4874         (validate_arglist): Change parameter to be entire CALL_EXPR instead
4875         of an arglist.  Change return type to bool.  Use new CALL_EXPR
4876         accessors.
4877
4878         (fold_builtin_strstr):  Pass call arguments individually instead
4879         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4880         accessors and constructors.  Return NULL_TREE instead of 0.
4881         (fold_builtin_strchr): Likewise.
4882         (fold_builtin_strrchr): Likewise.
4883         (fold_builtin_strpbrk): Likewise.
4884         (fold_builtin_strcat): Likewise.
4885         (fold_builtin_strncat): Likewise.
4886         (fold_builtin_strspn): Likewise.
4887         (fold_builtin_strcspn): Likewise.
4888         (fold_builtin_fputs): Likewise.
4889         (fold_builtin_next_arg): Likewise.
4890         (fold_builtin_sprintf): Likewise.
4891
4892         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
4893         NULL_RTX instead of 0.
4894         (expand_builtin_memory_chk): Likewise.
4895         (maybe_emit_chk_warning): Likewise.
4896         (maybe_emit_sprintf_chk_warning): Likewise.
4897
4898         (fold_builtin_object_size): Pass call arguments individually instead
4899         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4900         accessors and constructors.  Return NULL_TREE instead of 0.
4901         (fold_builtin_memory_chk): Likewise.
4902         (fold_builtin_stxcpy_chk): Likewise.
4903         (fold_builtin_strncpy_chk): Likewise.
4904         (fold_builtin_strcat_chk): Likewise.
4905         (fold_builtin_strcat_chk): Likewise.
4906         (fold_builtin_strncat_chk): Likewise.
4907         (fold_builtin_sprintf_chk): Likewise.
4908         (fold_builtin_snprintf_chk): Likewise.
4909         (fold_builtin_printf): Likewise.
4910         (fold_builtin_vprintf): Likewise.
4911
4912         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
4913         constructors.
4914         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
4915         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4916         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
4917         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
4918         (fold_unary): Likewise.
4919         (fold_binary): Likewise.
4920         (fold_ternary): Remove CALL_EXPR case, since they are no longer
4921         ternary expressions.
4922         (fold): Add logic for tcc_vl_exp.
4923         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
4924         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4925         (fold_build3_stat): Add assertion to flag broken interface for
4926         constructing CALL_EXPRs.
4927         (fold_build_call_list): New.
4928         (fold_build_call_list_initializer): New.
4929         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
4930         constructors.
4931         (fold_strip_sign_ops): Likewise.
4932
4933 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4934             Brooks Moses  <brooks.moses@codesourcery.com>
4935             Lee Millward  <lee.millward@codesourcery.com>
4936
4937         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
4938         accessors and dump arguments explicitly.
4939
4940         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
4941         TREE_CODE_LENGTH.
4942         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
4943         explicitly.
4944         (print_call_name): Use new CALL_EXPR accessors.
4945
4946         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
4947         CALL_EXPR arguments explicitly instead of as a list.  Use
4948         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4949
4950         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
4951         (vrp_visit_stmt): Likewise.
4952
4953         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
4954         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
4955         TREE_CODE_LENGTH.
4956         (force_move_till_expr): Likewise.
4957
4958         * targhooks.c (default_external_stack_protect_fail): Use
4959         build_call_expr instead of build_function_call_expr.
4960         (default_hidden_stack_protect_fail): Likewise.
4961
4962         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
4963         build the call.
4964
4965         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
4966         and walk arguments explicitly.
4967
4968         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
4969         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4970         (expand_simple_operations): Likewise.
4971         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
4972
4973         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
4974         of TREE_CODE_LENGTH.
4975         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
4976
4977         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
4978         instead of TREE_CODE_LENGTH.
4979
4980         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
4981         (tree_ic_transform): Likewise.
4982         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
4983         parameter instead of arglist.  Fix callers.
4984         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
4985         (tree_stringops_transform): Likewise.
4986         (tree_indirect_call_to_profile): Likewise.
4987         (tree_stringops_values_to_profile): Likewise.
4988
4989         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
4990         (eliminate_tail_call): Likewise.
4991
4992         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
4993
4994         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
4995         Use TREE_OPERAND_LENGTH and generalize to handle any number of
4996         operands.
4997         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
4998
4999         * omp-low.c (build_omp_barrier): Use build_call_expr.
5000         (lower_rec_input_clauses): Likewise.
5001         (lower_reduction_clauses): Likewise.
5002         (expand_parallel_call): Likewise.
5003         (maybe_catch_exception): Likewise.
5004         (expand_omp_for_generic): Likewise.
5005         (expand_omp_for_static_nochunk): Likewise.
5006         (expand_omp_sections): Likewise.
5007         (lower_omp_single_simple): Likewise.
5008         (lower_omp_single_copy): Likewise.
5009         (lower_omp_master): Likewise.
5010         (lower_omp_ordered): Likewise.
5011         (lower_omp_critical): Likewise.
5012
5013         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5014         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5015
5016         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5017         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5018         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5019
5020         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5021         and generalize to handle any number of operands.
5022         (chrec_contains_undetermined): Likewise.
5023         (tree_contains_chrecs): Likewise.
5024         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
5025
5026         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
5027
5028         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
5029         fold_call_expr instead of fold_builtin.
5030         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
5031         match declarations there.
5032         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
5033         updates.
5034
5035         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
5036         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5037
5038         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
5039         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
5040
5041         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
5042         accessors.
5043
5044         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
5045         (execute_cse_sincos): Use new CALL_EXPR accessors.
5046
5047         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
5048
5049         * gimple-low.c (lower_function_body): Use build_call_expr.
5050         (lower_builtin_setjmp): Likewise.
5051
5052         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
5053         (set_storage_via_libcall): Likewise.
5054         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
5055         instead of TREE_CODE_LENGTH.
5056         (expand_expr_real_1): Use new CALL_EXPR accessors.
5057
5058         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
5059         generalize to handle any number of operands.
5060         (TB_parent_eq): Likewise.
5061
5062         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
5063         (strip_builtin_expect): Likewise.
5064
5065         * function.c (gimplify_parameters): Use build_call_expr.
5066
5067         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
5068         instead of TREE_CODE_LENGTH.
5069
5070         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
5071         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
5072
5073         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
5074         iterators.
5075
5076         * gimplify.c (build_stack_save_restore): Use build_call_expr.
5077         (gimplify_decl_expr): Likewise.
5078         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
5079         Use new CALL_EXPR iterators.
5080         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
5081         (gimplify_modify_expr_to_memset): Likewise.
5082         (gimplify_variable_sized_compare): Likewise.
5083         (gimplify_omp_atomic_fetch_op): Likewise.
5084         (gimplify_omp_atomic_pipeline): Likewise.
5085         (gimplify_omp_atomic_mutex): Likewise.
5086         (gimplify_function_tree): Likewise.
5087
5088         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
5089         (call_expr_flags): Likewise.
5090         (expand_call): Likewise.
5091
5092         * except.c (expand_builtin_eh_return_data_regno): Pass entire
5093         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5094         accessors.
5095
5096         * coverage.c (create_coverage): Use build_call_expr.
5097
5098         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
5099         (temp_call_expr_obstack): New.
5100         (pool_copy_list): Delete.
5101         (temp_copy_call_expr): New.
5102         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
5103         CALL_EXPR accessors.  Get rid of special goo for copying argument
5104         lists and use temp_copy_call_expr instead.
5105         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
5106         CALL_EXPR accessors.
5107         (create_expression_by_pieces): Likewise.  Use build_call_array
5108         to construct the result instead of fold_build3.
5109         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
5110         dealing with argument lists.
5111         (init_pre): Remove references to expression_node_pool and
5112         list_node_pool.  Init temp_call_expr_obstack instead.
5113         (fini_pre): Remove references to expression_node_pool and
5114         list_node_pool.
5115
5116         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
5117         and walk arguments explicitly instead of as a list.
5118
5119         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
5120         (mx_register_decls): Likewise.
5121         (mudflap_register_call): Likewise.
5122         (mudflap_finish_file): Likewise.
5123
5124         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
5125         (ipa_callsite_compute_param): Likewise.
5126
5127         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
5128         accessors and constructor.
5129
5130         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
5131         accessors and constructor.
5132         (convert_tramp_reference): Likewise.
5133         (convert_call_expr): Likewise.
5134         (finalize_nesting_tree_1): Likewise.
5135
5136         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
5137         accessors.
5138
5139         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
5140
5141         * tree-inline.c (initialize_inlined_parameters): Pass entire
5142         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5143         accessors.
5144         (estimate_num_insns_1): Use new CALL_EXPR accessors.
5145         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
5146
5147         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
5148         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5149         (vectorizable_reduction): Likewise.
5150         (vectorizable_call): Use new CALL_EXPR iterators.
5151         (vectorizable_conversion): Use build_call_expr.
5152         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
5153         (vect_gen_widened_results_half): Use build_call_expr.
5154         (vect_setup_realignment): Likewise.
5155         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
5156
5157         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
5158         (pass_through_call): Likewise.
5159         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
5160         fold_builtin.
5161
5162         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
5163         (tree_gen_pow2_profiler): Likewise.
5164         (tree_gen_one_value_profiler): Likewise.
5165         (tree_gen_ic_func_profiler): Likewise.
5166         (tree_gen_average_profiler): Likewise.
5167         (tree_gen_ior_profiler): Likewise.
5168
5169         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
5170         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
5171         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5172
5173         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
5174         of TREE_CODE_LENGTH.
5175
5176         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
5177         of TREE_CODE_LENGTH.
5178
5179         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
5180         constructor.
5181         (convert_to_integer): Likewise.
5182
5183         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
5184         accessors.
5185
5186 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5187             Brooks Moses  <brooks.moses@codesourcery.com>
5188             Lee Millward  <lee.millward@codesourcery.com>
5189
5190         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
5191         accessors.
5192         * config/frv/frv.c (frv_expand_builtin): Likewise.
5193         * config/s390/s390.c (s390_expand_builtin): Likewise.
5194
5195         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
5196         (sparc_expand_builtin): Use new CALL_EXPR accessors.
5197
5198         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
5199         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
5200         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
5201         (ix86_expand_store_builtin): Likewise.
5202         (ix86_expand_unop_builtin): Likewise.
5203         (ix86_expand_unop1_builtin): Likewise.
5204         (ix86_expand_sse_compare): Likewise.
5205         (ix86_expand_sse_comi): Likewise.
5206         (ix86_expand_vec_init_builtin): Likewise.
5207         (ix86_expand_vec_ext_builtin): Likewise.
5208         (ix86_expand_vec_set_builtin): Likewise.
5209         (ix86_expand_builtin): Use new CALL_EXPR accessors.
5210
5211         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
5212         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5213
5214         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
5215         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5216         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
5217
5218         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
5219         build_call_expr.
5220         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5221         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
5222         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5223         (altivec_expand_abs_builtin): Likewise.
5224         (rs6000_expand_binop_builtin): Likewise.
5225         (altivec_expand_predicate_builtin): Likewise.
5226         (altivec_expand_lv_builtin): Likewise.
5227         (spe_expand_stv_builtin): Likewise.
5228         (altivec_expand_stv_builtin): Likewise.
5229         (rs6000_expand_ternop_builtin): Likewise.
5230         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
5231         (altivec_expand_st_builtin): Likewise.
5232         (altivec_expand_dst_builtin): Likewise.
5233         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
5234         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5235         (altivec_expand_vec_set_builtin): Likewise.
5236         (altivec_expand_vec_ext_builtin): Likewise.
5237         (altivec_expand_builtin): Use new CALL_EXPR accessors.
5238         (spe_expand_builtin): Likewise.
5239         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
5240         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5241         (spe_expand_evsel_builtin): Likewise.
5242         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
5243         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
5244
5245         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
5246         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5247         (arm_expand_unop_builtin): Likewise.
5248         (arm_expand_builtin): Use new CALL_EXPR accessors.
5249
5250         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
5251         accessors.
5252
5253         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
5254         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5255         (bfin_expand_unop_builtin): Likewise.
5256         (bfin_expand_builtin): Use new CALL_EXPR accessors.
5257
5258 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5259             Brooks Moses  <brooks.moses@codesourcery.com>
5260             Lee Millward  <lee.millward@codesourcery.com>
5261
5262         * c-semantics.c (build_stmt): Add internal diagnostic check.
5263
5264         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
5265         accessors.  Print arguments explicitly instead of as a list.
5266
5267         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
5268
5269         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
5270         (c_finish_omp_flish): Likewise.
5271
5272         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
5273         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
5274         instead of TREE_CODE_LENGTH.
5275         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
5276         (c_warn_unused_result): Likewise.
5277
5278 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5279
5280         PR c/26494
5281         * doc/invoke.texi (Warning Options): Remove
5282         -Werror-implicit-function-declaration.
5283         (Wimplicit-function-declaration): Update description.
5284         * opts.c (common_handle_option): Move handling of -Werror=* to...
5285         (enable_warning_as_error): ...here.
5286         * opts.h (enable_warning_as_error): Declare.
5287         * c-decl.c (implicit_decl_warning): Unless
5288         -Wno-implicit-function-declaration is given, emit a pedwarn if
5289         -std=c99 or emit a warning if -Wimplicit-function-declaration.
5290         * c.opt (Wimplicit-function-declaration): Replace
5291         mesg_implicit_function_declaration with
5292         warn_implicit_function_declaration.
5293         * c-opts.c (c_common_handle_option):
5294         -Werror-implicit-function-declaration is exactly equal as
5295         -Werror=implicit-function-declaration.
5296         (set_Wimplicit): Replace mesg_implicit_function_declaration with
5297         warn_implicit_function_declaration.
5298         (c_common_post_options): -Wimplict-function-declaration is enabled
5299         by default by -std=c99, otherwise is disabled by default.
5300         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
5301
5302 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5303
5304         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
5305         DECL on the rhs to a DECL on the lhs for debug info purposes if the
5306         former is ignored but not the latter.
5307
5308 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5309
5310         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
5311         is made and the reference doesn't use the alias set of its type,
5312         do not create the temporary using that type.
5313
5314 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
5315
5316         * jump.c: Remove prototypes for delete_computation and
5317         delete_prior_computation.
5318
5319 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5320
5321         * jump.c (get_label_after): Delete.
5322         (get_label_before, delete_computation, delete_jump,
5323         delete_prior_computation, follow_jumps): Move...
5324         * reorg.c (delete_computation, delete_prior_computation): ... here...
5325         (get_label_before, delete_jump): ... making these static ...
5326         (follow_jumps): ... and simplifying this since it only runs after
5327         reload.
5328         * rtl.h (get_label_after, get_label_before, delete_jump,
5329         follow_jumps): Delete prototypes.
5330
5331 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5332
5333         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
5334
5335 2007-02-15  Nick Clifton  <nickc@redhat.com>
5336
5337         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
5338         order to prevent it from being munged by the target.
5339
5340 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
5341
5342         * config/i386/i386.md: Remove misleading comment.
5343
5344 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5345
5346         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
5347         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
5348         invalid patterns.
5349
5350 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5351
5352         * tree-sra.c (instantiate_missing_elements): Canonicalize
5353         bit-field types.
5354         (sra_build_assignment): New.
5355         (generate_copy_inout, generate_element_copy,
5356         generate_element_zero, generate_one_element_init): Use it.
5357
5358 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5359
5360         * tree-sra.c (instantiate_missing_elements): Canonicalize
5361         bit-field types.
5362         (sra_build_assignment): New.
5363         (generate_copy_inout, generate_element_copy,
5364         generate_element_zero, generate_one_element_init): Use it.
5365
5366 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5367
5368         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
5369         limbo die nodes.
5370
5371 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
5372
5373         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
5374         types as aggregates not scalars.
5375         * function.c (assign_stack_temp_for_type): Likewise.
5376
5377 2007-02-14  Roger Sayle  <roger@eyesopen.com>
5378             Zdenek Dvorak  <dvorakz@suse.cz>
5379
5380         * tree-dump.c (dump_switch_p_1): Require exact match of the option
5381         name.
5382
5383 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
5384
5385         * passes.c (next_pass_1): Clear the next field of the copied
5386         pass structure.
5387
5388 2007-02-14  Richard Henderson  <rth@redhat.com>
5389
5390         * tree-sra.c (early_sra): New.
5391         (decl_can_be_decomposed_p): Deny va_list if early_sra.
5392         (tree_sra_early, pass_sra_early): New.
5393         * tree-pass.h (pass_sra_early): Declare.
5394         * passes.c (init_optimization_passes): Use it.
5395
5396 2007-02-14  Richard Guenther  <rguenther@suse.de>
5397
5398         * flags.h (issue_strict_overflow_warning): Convert to a macro.
5399
5400 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
5401
5402          PR tree-optimization/30771
5403         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
5404         also phi nodes.
5405         (vect_analyze_operations): Induction phis can now be marked as
5406         used_in_loop.
5407         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
5408         Update documentation accordingly.
5409
5410 2007-02-14  Nick Clifton  <nickc@redhat.com>
5411
5412         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
5413         most 3 arguments are supported.
5414         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
5415
5416 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
5417
5418         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
5419         Ensure dst->current is valid.
5420
5421 2007-02-13  Paul Brook  <paul@codesourcery.com>
5422
5423         * config.gcc: Add arm*-*-uclinux-*eabi.
5424         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
5425         (SUBTARGET_EXTRA_LINK_SPEC): Define.
5426         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
5427         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
5428         (LINK_SPEC): Define.
5429         (LIB_SPEC): Define.
5430         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
5431         register.
5432         * config/arm/uclinux-eabi.h: New file.
5433         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
5434         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
5435         based targets.
5436
5437 2007-02-13  Ian Lance Taylor  <iant@google.com>
5438
5439         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
5440         * flags.h (warn_strict_overflow): Declare.
5441         (enum warn_strict_overflow_code): Define.
5442         (issue_strict_overflow_warning): New static inline function.
5443         * opts.c (warn_strict_overflow): New variable.
5444         (common_handle_option): Handle OPT_Wstrict_overflow and
5445         OPT_Wstrict_overflow_.
5446         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
5447         OPT_Wall.
5448         * fold-const.c: Include intl.h.
5449         (fold_deferring_overflow_warnings): New static variable.
5450         (fold_deferred_overflow_warning): New static variable.
5451         (fold_deferred_overflow_code): New static variable.
5452         (fold_defer_overflow_warnings): New function.
5453         (fold_undefer_overflow_warnings): New function.
5454         (fold_undefer_and_ignore_overflow_warnings): New function.
5455         (fold_deferring_overflow_warnings_p): New function.
5456         (fold_overflow_warning): New static function.
5457         (make_range): Add strict_overflow_p parameter.  Change all
5458         callers.
5459         (extract_muldiv, extract_muldiv_1): Likewise.
5460         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
5461         tree_expr_nonnegative_p.
5462         (fold_negate_expr): Call fold_overflow_warning.
5463         (fold_range_test): Likewise.
5464         (fold_comparison): Likewise.
5465         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
5466         instead of tree_expr_nonnegative_p.
5467         (tree_expr_nonnegative_warnv_p): Rename from
5468         tree_expr_nonnegative_p, add strict_overflow_p parameter.
5469         (tree_expr_nonnegative_p): New function.
5470         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
5471         strict_overflow_p parameter.
5472         (tree_expr_nonzero_p): New function.
5473         * passes.c (verify_interpass_invariants): New static function.
5474         (execute_one_pass): Call it.
5475         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
5476         warnings.
5477         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
5478         (estimate_numbers_of_iterations): Likewise.
5479         (scev_probably_wraps_p): Likewise.
5480         * tree-ssa-ccp.c: Include "toplev.h".
5481         (evaluate_stmt): Defer fold overflow warnings until we know we are
5482         going to optimize.
5483         (struct fold_stmt_r_data): Add stmt field.
5484         (fold_stmt_r): Defer fold overflow warnings until we know we
5485         optimized.
5486         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
5487         (fold_stmt_inplace): Likewise.
5488         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
5489         (cleanup_control_expr_graph): Defer fold overflow warnings until
5490         we know we are going to optimize.
5491         * tree-cfg.c (fold_cond_expr_cond): Likewise.
5492         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
5493         Likewise.
5494         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
5495         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
5496         * tree-ssa-loop-manip.c (create_iv): Likewise.
5497         * c-typeck.c (build_conditional_expr): Likewise.
5498         (build_binary_op): Likewise.
5499         * tree-vrp.c (vrp_expr_computes_nonzero): Call
5500         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
5501         (extract_range_from_unary_expr): Likewise.
5502         * simplify-rtx.c (simplify_const_relational_operation): Warn when
5503         assuming that signed overflow does not occur.
5504         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
5505         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
5506         (fold_defer_overflow_warnings): Declare.
5507         (fold_undefer_overflow_warnings): Declare.
5508         (fold_undefer_and_ignore_overflow_warnings): Declare.
5509         (fold_deferring_overflow_warnings_p): Declare.
5510         (tree_expr_nonzero_warnv_p): Declare.
5511         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
5512         of warning options.
5513         (Warning Options): Document -Wstrict-overflow.
5514         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
5515         (tree-ssa-ccp.o): Likewise.
5516         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
5517         (fold-const.o): Depend on intl.h.
5518
5519 2007-02-13  Ian Lance Taylor  <iant@google.com>
5520
5521         PR middle-end/30751
5522         * lower-subreg.c (resolve_simple_move): Decompose subregs in
5523         addresses.
5524
5525 2007-02-13  Stuart Hastings  <stuart@apple.com>
5526
5527         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
5528
5529 2007-02-13  Richard Henderson  <rth@redhat.com>
5530
5531         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
5532         handled_component_p before looking for the indirect_ref.
5533
5534 2007-02-13  Richard Henderson  <rth@redhat.com>
5535
5536         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
5537         remove flags clobber.
5538         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
5539         (bswaphi_lowpart): New.
5540         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
5541         remove TARGET_BSWAP test.  Delete expander of the same name.
5542
5543         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
5544         (expand_unop): Use them.
5545
5546 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
5547
5548         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
5549         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
5550         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
5551         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
5552         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
5553         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
5554         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
5555         assembler dialect choice from asm templates.
5556
5557 2007-02-12  Richard Henderson  <rth@redhat.com>
5558
5559         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
5560         (fixuns_trunc<SSEMODEF>si2): Use it.
5561         * config/i386/sse.md (vec_setv4sf_0): Export.
5562         * config/i386/i386.c (ix86_build_const_vector): Export.
5563         (ix86_split_convert_uns_si_sse): Rename from
5564         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
5565         * config/i386/i386-protos.h: Update.
5566
5567 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5568
5569         PR c/29521
5570         * c-typeck.c (c_finish_return): Improve warning message.
5571
5572 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5573
5574         * alias.c (find_symbolic_term): Delete unused function.
5575
5576 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
5577
5578         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
5579         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
5580         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
5581
5582 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5583
5584         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
5585         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
5586         the function, temporarily point the debug interface to the null one.
5587
5588 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5589
5590         * dwarf2out.c (round_up_to_align): New static function.
5591         (field_byte_offset): Use it to round the offset.
5592
5593 2007-02-12  Richard Henderson  <rth@redhat.com>
5594
5595         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
5596         (inswl_const): Export.
5597
5598 2007-02-12  Richard Henderson  <rth@redhat.com>
5599
5600         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
5601         result mode of the libcall, convert back to outmode.
5602
5603 2007-02-12  Roger Sayle  <roger@eyesopen.com>
5604
5605         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
5606         (bswapdi2): New define_expand to implement 32-bit implementation.
5607
5608 2007-02-12  Nick Clifton  <nickc@redhat.com>
5609
5610         * doc/invoke.texi (Overall Options): Document --help=.
5611         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
5612         (cc1_options): Pass --help= on to cc1.
5613         (display_help): Add description of --help=.
5614         (process_command): Add code to handle --help=.  Allow translated
5615         --help and --target-help switches to be passed on to compiler
5616         sub-process.
5617         (main): Remove unused if statement.
5618         * opts.c (columns): Remove.
5619         (LEFT_COLUMN): Define.
5620         (wrap_help): Add columns argument.
5621         (print_filtered_help): Change parameters to be an include bitmask,
5622         an exclude bitmask, an any bitmask and the column width.  Move the
5623         code to display the params list here.  Add code to display the
5624         status of options rather than their descriptions if the quiet flag
5625         is not active.
5626         (print_specific_help): Change parameters to be an include bitmask,
5627         an exclude bitmask and an any bitmask.  Move code to look up the
5628         column width here.  Decide upon the title for an options listing.
5629         (common_handle_options): Add code to handle --help=.  Adapt code
5630         for --help and --target-help to use the revised form of the
5631         print_specific_help function.
5632         (print_help): Delete.
5633         (print_param_help): Delete.
5634         (print_switch): Delete.
5635         * opts.h (cl_lang_count): Add prototype.
5636         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
5637         CL_MAX_OPTION_CLASS): New defines.
5638         * optc-gen.awk: Add construction of cl_lang_count.
5639         * c.opt: Add Warning attribute to warning options and Optimization
5640         attribute to optimization options.
5641         * common.opt: Likewise.
5642         Add --help=.
5643         Add -fhelp and -ftarget-help as aliases for the transformed --help
5644         and --target-help options.
5645         * opt-functions.awk: Add code to handle Warning and Optimization
5646         attributes.
5647
5648 2007-02-12  Richard Henderson  <rth@redhat.com>
5649
5650         * config/alpha/constraints.md: New file.
5651         * config/alpha/alpha.c: Include tm-constrs.h.
5652         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
5653         alpha_extra_constraint): Remove.
5654         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
5655         * config/alpha/alpha-protos.h: Update.
5656         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
5657         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
5658         (EXTRA_CONSTRAINT): Remove.
5659         * config/alpha/alpha.md: Include constraints.md.
5660         (adddi splitter): Use satisfies_constraint_*.
5661         * config/alpha/predicates.md (add_operand): Likewise.
5662         (sext_add_operand, addition_operation): Likewise.
5663
5664 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
5665
5666         PR tree-optimization/29145
5667         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
5668         in our handling of restrict qualified pointers.
5669
5670 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5671
5672         PR middle-end/7651
5673         * doc/invoke.texi (Wunused-value): Update description.
5674         (Wextra): Delete item.
5675         * opts.c (set_Wextra): Don't use the value of Wextra to set the
5676         value of Wunused-value.
5677         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
5678         (c_finish_stmt_expr): Don't check extra_warnings.
5679         (emit_side_effect_warnings): The caller is responsible to check
5680         warn_unused_value.
5681
5682 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5683             Matt Thomas  <matt@3am-software.com>
5684
5685         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
5686
5687 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5688
5689         * simplify-rtx.c (simplify_relational_operation_1): Optimize
5690         comparisons of POPCOUNT against zero.
5691         (simplify_const_relational_operation): Likewise.
5692
5693 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5694
5695         * doc/invoke.texi (Wextra): Delete outdated paragraph.
5696
5697 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5698
5699         * dwarf2out.c (root_type): Delete unused function.
5700
5701 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5702
5703         * genattrtab.c (contained_in_p): Delete unused function.
5704         (write_expr_attr_cache): Likewise.
5705
5706 2007-02-11  Jan Hubicka  <jh@suse.cz>
5707
5708         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
5709         previous patch.
5710
5711 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
5712
5713         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
5714         to add the REG_EQ* note.
5715         * see.c (see_merge_one_use_extension): Likewise.
5716         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
5717         turn REG_EQUAL notes into REG_EQUIV notes if the target
5718         register may have more than one set.
5719         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
5720         * gcse.c (try_replace_reg): Likewise.
5721         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
5722         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
5723         more than one REG_EQUIV note.
5724         * reload1.c (gen_reload): Use set_unique_reg_note.
5725
5726 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
5727
5728         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
5729         (ix86_builtin_conversion): New function.
5730
5731 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
5732
5733         PR target/29487
5734         * tree.h (DECL_REPLACEABLE_P): New macro.
5735         * except.c (set_nothrow_function_flags): Likewise.
5736
5737 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
5738             Ira Rosen  <irar@il.ibm.com>
5739             Dorit Nuzman  <dorit@il.ibm.com>
5740
5741         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
5742         * targhooks.c (default_builtin_vectorized_conversion): New.
5743         * targhooks.h (default_builtin_vectorized_function): New declaration.
5744         * target.h (struct vectorize): Add builtin_conversion field.
5745         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
5746         stmt_vec_info_type value.
5747         (vectorizable_conversion): New declaration.
5748         * tree-vect-analyze.c (vect_analyze_operations): Add
5749         vectorizable_conversion call.
5750         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
5751         * tree-vect-transform.c (vectorizable_conversion): New function.
5752         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
5753         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5754         mode.
5755         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
5756         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
5757         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
5758         or ALTIVEC_BUILTIN_VCFSX.
5759
5760 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5761
5762         PR target/30634
5763         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
5764         CONST_DOUBLE and operand 0 is a hard register.
5765         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
5766         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
5767         is a hard floating-point register.
5768
5769 2007-02-10  Richard Henderson  <rth@redhat.com>
5770             Jakub Jelinek  <jakub@redhat.com>
5771             Alexandre Oliva  <aoliva@redhat.com>
5772
5773         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
5774         * builtin-types.def (BT_WORD): Make unsigned.
5775         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5776         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5777         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5778         * c-decl.c (grokdeclarator): Don't error if !have_tls.
5779         * c-parser.c (c_parser_omp_threadprivate): Likewise.
5780         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5781         emulated tls.
5782         * expr.c (emutls_var_address): New.
5783         (expand_expr_real_1): Expand emulated tls.
5784         (expand_expr_addr_expr_1): Likewise.
5785         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5786         * output.h (emutls_finish): Declare.
5787         * toplev.c (compile_file): Call it.
5788         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5789         address before wrapping in CONST.
5790         * varasm.c (emutls_htab, emutls_object_type): New.
5791         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5792         (get_emutls_object_name, get_emutls_object_type): New.
5793         (get_emutls_init_templ_addr, emutls_decl): New.
5794         (emutls_common_1, emutls_finish): New.
5795         (assemble_variable): When emulating tls, swap decls; generate
5796         constructor for the emutls objects.
5797         (do_assemble_alias): When emulating tls, swap decl and target name.
5798         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5799         for emulated tls.
5800         * varpool.c (decide_is_variable_needed): Look at force_output.
5801         Recurse for emulated tls.
5802         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
5803         with decide_is_variable_needed.
5804         * emutls.c: New file.
5805         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5806         tls_object for real tls.
5807
5808 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5809
5810         PR rtl-optimization/29599
5811         * reload1.c (eliminate_regs_in_insn): Take the destination
5812         mode into account when computing the offset.
5813
5814 2007-02-09  Stuart Hastings  <stuart@apple.com>
5815             Richard Henderson  <rth@redhat.com>
5816
5817         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5818         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5819         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
5820         fixuns_truncdfhi2): New.
5821         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
5822         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
5823         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
5824         (floatunssidf2): Allow nonimmediate source.
5825         * gcc/config/i386/sse.md (movdi_to_sse): New.
5826         (vec_concatv2di): Drop '*'.
5827         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
5828         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5829         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
5830         New.
5831         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
5832         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5833         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
5834         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
5835         (ix86_build_signbit_mask): Fix decl of v, refactor to call
5836         ix86_build_const_vector.
5837         (x86_emit_floatuns): Rewrite.
5838
5839 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5840
5841         * genautomata.c (longest_path_length): Delete unused function.
5842         (struct state): Delete unused longest_path_length.
5843         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
5844         (get_free_state): Delete unused.
5845
5846 2007-02-09  Jan Hubicka  <jh@suse.cz>
5847
5848         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
5849         * doc/invoke.texi (inline-unit-growth): Update default value.
5850
5851         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
5852         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
5853         (rebuild_cgraph_edges): Likewise.
5854         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
5855         (dump_cgraph_node): Dump frequencies.
5856         (cgraph_clone_edge): Add frequency scales.
5857         (cgraph_clone_node): Add freuqnecy.
5858         * cgraph.h (cgraph_edge): Add freuqnecy argument.
5859         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
5860         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
5861         * tree-pass.h (TODO_rebuild_frequencies): New constant.
5862         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
5863         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
5864         (save_inline_function_body): Likewise.
5865         * ipa-inline.c: inluce rtl.h
5866         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
5867         (cgraph_edge_badness): Use frequencies.
5868         (cgraph_decide_recursive_inlining): Update clonning.
5869         (cgraph_decide_inlining_of_small_function): Dump frequency.
5870         * predict.c (estimate_bb_frequencies): Export.
5871         * predict.h (estimate_bb_frequencies): Declare.
5872         * tree-inline.c (copy_bb): Watch overflows.
5873         (expand_call_inline): Update call of cgraph_create_edge.
5874         (optimize_inline_calls): Use TODO flags to update frequnecies.
5875         * passes.h: Include predict.h
5876         (init_optimization_passes): Move profile ahead.
5877         (execute_function_todo): Handle TODO_rebuild_frequencies.
5878
5879 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5880
5881         * config/alpha/alpha.c (emit_insxl): Force the first operand of
5882         the insbl or inswl pattern into a register.
5883
5884 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5885
5886         * config/ia64/ia64.md (bswapdi2): New define_insn.
5887
5888 2007-02-09  Richard Henderson  <rth@redhat.com>
5889
5890         * config/i386/constraints.md (Ym): New constraint.
5891         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
5892         (movdi_1_rex64): Split sse and xmm general register moves from
5893         memory move alternatives.  Use conditional register constraints.
5894         (movsf_1, movdf_integer): Likewise.
5895         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5896         (movdf_integer_rex64): New.
5897         (pushsf_rex64): Fix output constraints.
5898         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
5899         (sse2_stored): Likewise.
5900         (sse2_storeq_rex64): New.
5901         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
5902         amd and not generic.
5903         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
5904         for optimize_size.  Remove SF/DFmode hack.
5905
5906 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5907
5908         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
5909         (bit_SSE4a): New.
5910
5911 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
5912             Richard Sandiford  <richard@codesourcery.com>
5913
5914         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
5915         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
5916         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
5917         m68k/t-mlib to tmake_file.
5918         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
5919         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
5920         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
5921         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
5922         variable is not empty, add t-$m68k_arch_family to tmake_file.
5923         Add t-mlibs to tmake_file.
5924         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
5925         * config/m68k/t-cf: New file.
5926         * config/m68k/t-m68k: Likewise.
5927         * config/m68k/t-mlibs: Likewise.
5928         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5929         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5930         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5931         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5932         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
5933         Delete.
5934         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
5935         (INSTALL_LIBGCC): Delete.
5936         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5937         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5938         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5939         (M68K_MLIB_CPU): Define.
5940         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5941         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5942         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
5943
5944 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
5945             Richard Guenther  <rguenther@suse.de>
5946
5947         PR middle-end/23361
5948         * fold-const.c (fold_comparison): Handle obfuscated comparisons
5949         against INT_MIN/INT_MAX.
5950         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
5951         file if a loop is removed.
5952
5953 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
5954
5955         * calls.c (store_one_arg): Pass correct alignment to
5956         emit_push_insn for non-BLKmode values.
5957         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
5958         unaligned stack slot via a suitably aligned slot.
5959
5960 2007-02-08  DJ Delorie  <dj@redhat.com>
5961
5962         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
5963         warnings.
5964         (legal_subregs): Use unsigned char, make const.
5965         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
5966
5967 2007-02-08  Paul Brook  <paul@codesourcery.com>
5968
5969         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
5970         special interworking needed.
5971
5972 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
5973
5974         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
5975         conditional to __SSE2__.
5976         (Entries below should have been added to first ChangeLog
5977         entry for amdfam10 dated 2007-02-05)
5978         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
5979         defined.
5980         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
5981         defined.
5982         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
5983         defined.
5984
5985 2007-02-08  DJ Delorie  <dj@redhat.com>
5986
5987         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
5988         * config/m32c/m32c.c (legal_subregs): New.
5989         (m32c_illegal_subreg_p): New.
5990         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
5991         unsupported subregs of hard regs.
5992
5993 2007-02-08  Jan Hubicka  <jh@suse.cz>
5994
5995         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
5996         the same one; always update histograms.
5997
5998 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
5999
6000         * passes.c (init_optimization_passes): Tidy comment.
6001
6002 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6003
6004         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6005         strip zero_extend, bswap and rotates from POCOUNT's argument.
6006         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6007         zero_extend and rotates from PARITY's argument.
6008         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6009         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6010         of an integer constant at compile-time.
6011
6012 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6013
6014         PR 30562
6015         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6016         Update all users.
6017         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6018         users.
6019         (init_alias_info):
6020         * tree-ssa-live.c (remove_unused_locals): Do not remove
6021         TREE_ADDRESSABLE variables.
6022         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
6023         * tree-ssa-operands.c (add_virtual_operand): Remove argument
6024         FOR_CLOBBER.  Update all users.
6025         If VAR has an associated alias set, add a virtual operand for
6026         it if no alias is found to conflict with the memory reference.
6027
6028 2007-02-07  Jan Hubicka  <jh@suse.cz>
6029             Robert Kidd <rkidd@crhc.uiuc.edu>
6030
6031         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
6032
6033 2007-02-07  Ian Lance Taylor  <iant@google.com>
6034
6035         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
6036
6037 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6038
6039         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
6040         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
6041         tablejumpdi, movsi_to_cr_one): Remove constraints from
6042         define_expand's match_operands.
6043
6044 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6045
6046         * global.c (compute_regsets): Move declatation of "i" inside of
6047         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
6048
6049 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
6050
6051         PR c++/30703
6052         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
6053         of INDIRECT_REF <RESULT_DECL>.
6054
6055         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
6056
6057 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
6058             Kaz Kojima  <kkojima@gcc.gnu.org>
6059
6060         PR target/29746
6061         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
6062         properly.
6063         (sh_initialize_trampoline): Add parentheses to avoid a warning.
6064
6065 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
6066
6067         * doc/loop.texi: Document possibility not to perform disambiguation
6068         of loops with multiple latches.
6069         * cfgloopmanip.c (alp_enum_p): Removed.
6070         (add_loop): Handle subloops.  Use get_loop_body_with_size.
6071         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
6072         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
6073         the new forwarder block.
6074         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
6075         Handle the case latch is NULL.
6076         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
6077         when marking loop exits.
6078         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
6079         be modified.
6080         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
6081         disambiguate_loops_with_multiple_latches.
6082         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
6083         before fix_loop_structure.
6084         * cfgloop.c: Include pointer-set.h and output.h.
6085         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
6086         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
6087         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
6088         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
6089         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
6090         disambiguate_multiple_latches, get_loop_body_with_size,
6091         disambiguate_loops_with_multiple_latches): New functions.
6092         (flow_loop_dump): Dump multiple latch edges.
6093         (flow_loop_nodes_find): Handle loops with multiple latches.
6094         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
6095         (glb_enum_p): Modified.
6096         (get_loop_body): Use get_loop_body_with_size.
6097         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
6098         (AVOID_CFG_MODIFICATIONS): New constant.
6099         (disambiguate_loops_with_multiple_latches, add_loop,
6100         get_loop_body_with_size): Declare.
6101         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
6102
6103 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
6104
6105         PR inline-asm/28686
6106         * global.c (compute_regsets): New function.
6107         (global_alloc): Refactored ELIMINABLE_REGSET
6108         and NO_GLOBAL_ALLOC_REGS computation out.
6109         (rest_of_handle_global_alloc): Call compute_regsets()
6110         for non-optimizing case.
6111
6112 2007-02-06  Richard Henderson  <rth@redhat.com>
6113
6114         * config/i386/constraints.md (Y2): Rename from Y.
6115         (Yi): New constraint.
6116         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
6117         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
6118         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
6119         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
6120         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
6121         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
6122         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
6123         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
6124         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
6125         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
6126         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
6127         vec_extractv2si_1): Change Y constraints to Y2.
6128         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
6129         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
6130         Change Y constraints to Y2.
6131         (sse2_loadld): Change Y constraints to x.
6132
6133 2007-02-06  Roger Sayle  <roger@eyesopen.com>
6134
6135         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
6136         (parity<mode>2): New define_expand using rs6000_emit_parity.
6137         * config/rs6000/rs6000.c (rs6000_emit_popcount,
6138         rs6000_emit_parity): New functions.
6139         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
6140         rs6000_emit_parity): Prototype here.
6141
6142 2007-02-06  Ian Lance Taylor  <iant@google.com>
6143
6144         * lower-subreg.c (simple_move_operand): Reject CONST.
6145         (resolve_clobber): Call validate_change rather than directly
6146         assigning to XEXP (pat, 0).
6147
6148 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6149
6150         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
6151         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
6152         (tree-cfg.o): Remove hashtab.h dependency.
6153
6154         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
6155         (struct ivopts_data): Change niters to pointer_map_t.
6156         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
6157         (niter_for_exit): Create pointer_map on demand.  Change for
6158         pointer_map API.
6159         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
6160         (free_loop_data): Destroy data->niters if created and reset field.
6161         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
6162         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
6163
6164         * tree-ssa-reassoc.c: Include pointer-set.h.
6165         (bb_rank): Change to long *.
6166         (operand_rank): Change to pointer_map_t.
6167         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
6168         (insert_operand_rank): Accept long.
6169         (operand_entry_hash, operand_entry_eq): Remove.
6170         (get_rank): Return long.  Adjust for changes above.
6171         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
6172         and operand_rank.
6173         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
6174
6175         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
6176         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
6177         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
6178         is not NULL.
6179         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
6180         directly since it cannot be NULL.
6181         (get_vi_for_tree): Rewrite for pointer_map API.
6182         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
6183         (init_alias_vars): Create vi_for_tree as pointer_map.
6184         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
6185
6186         * tree-cfg.c: Don't include hashtab.h.
6187         (edge_to_cases): Declare as pointer_map.
6188         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
6189         Delete.
6190         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
6191         (start_recording_case_labels): Create edge_to_cases as pointer_map.
6192         (end_recoding_case_labels): Cleanup edge_to_cases manually before
6193         destroying it.
6194         (record_switch_edge): Delete.
6195         (get_cases_for_edge): Adjust for pointer_map API, inline
6196         record_switch_edge (rewritten for new API), remove goto.
6197
6198 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6199
6200         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
6201         * tree-nested.c: Include pointer-set.h.
6202         (var_map_elt, var_map_eq, var_map_hash): Delete.
6203         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
6204         to pointer_map_t's.
6205         (nesting_info_bitmap_obstack): New.
6206         (lookup_field_for_decl): Adjust for pointer_map API.
6207         (lookup_tramp_for_decl): Adjust for pointer_map API.
6208         (get_nonlocal_debug_decl): Adjust for pointer_map API.
6209         (get_local_debug_decl): Adjust for pointer_map API.
6210         (convert_nl_goto_reference): Adjust for pointer_map API.
6211         (convert_nl_goto_receiver): Adjust for pointer_map API.
6212         (create_nesting_tree): Create outside GGC space.  Create bitmap on
6213         the new obstack.  Create field_map and var_map as pointer_maps.
6214         (free_nesting_tree): Adjust for changes to create_nesting_tree.
6215         (root): Delete.
6216         (lower_nested_functions): Move root here, no need to NULL it.
6217         Initialize and release the obstack.
6218
6219 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
6220
6221         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
6222         Remove prototypes and make them non-static.
6223         (struct tree_int_map): Remove.
6224         * tree.h (struct tree_int_map): Move here, turning TO into an
6225         unsigned int.
6226         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
6227
6228         * tree.h (TREE_COMPLEXITY): Remove.
6229         (struct tree_exp): Remove complexity field.
6230         * tree.c (build1_stat): Don't set it.
6231
6232 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
6233             Victor Kaplansky  <victork@il.ibm.com>
6234
6235         * tree-vectorizer.c (vect_is_simple_use): Support induction.
6236         (vect_is_simple_reduction): Support reduction with induction as
6237         one of the operands.
6238         (vect_is_simple_iv_evolution): Fix formatting.
6239         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
6240         formatting.  Don't mark induction phis for vectorization.
6241         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
6242         * tree-vect-transform.c (get_initial_def_for_induction): New function.
6243         (vect_get_vec_def_for_operand): Support induction.
6244         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
6245         induction case.
6246         (vectorizable_reduction): Support reduction with induction as one of
6247         the operands.
6248         (vectorizable_type_demotion): Use def-type of stmt argument rather
6249         than dummy def-type.
6250
6251         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
6252         flag_tree_scev_cprop.
6253         * common.opt (tree-scev-cprop): New flag.
6254
6255         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
6256         call to vect_get_new_vect_var.
6257
6258 2007-02-06  Ira Rosen  <irar@il.ibm.com>
6259
6260         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
6261         vectype is not NULL.
6262         (vect_pattern_recog_1): Likewise.
6263
6264 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6265
6266         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
6267         (fold_negate_expr): Likewise.
6268
6269 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
6270
6271         PR debug/30189
6272         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
6273         even if cv-qualification is the same.
6274
6275 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
6276
6277         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
6278         __enable_execute_stack on completion.
6279
6280 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6281
6282         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
6283         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
6284         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
6285         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
6286         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
6287         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
6288         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
6289         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
6290
6291 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6292
6293         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
6294         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
6295         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
6296         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
6297         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
6298         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
6299         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
6300         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
6301         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
6302         umuldi3_highpart_rex64, umulsi3_highpart_insn,
6303         umulsi3_highpart_zext, smuldi3_highpart_rex64,
6304         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
6305         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
6306         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
6307         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
6308         sqrtextenddfxf2_i387): Added amdfam10_decode.
6309
6310         * config/i386/athlon.md (athlon_idirect_amdfam10,
6311         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
6312         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
6313         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
6314         athlon_ivector_store_amdfam10): New define_insn_reservation.
6315         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
6316         amdfam10.
6317
6318 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6319
6320         * config/i386/athlon.md (athlon_call_amdfam10,
6321         athlon_pop_amdfam10, athlon_lea_amdfam10): New
6322         define_insn_reservation.
6323         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
6324         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
6325         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
6326
6327 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6328
6329         * config/i386/athlon.md (athlon_sseld_amdfam10,
6330         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
6331         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
6332
6333 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6334
6335         * config/i386/athlon.md (athlon_sseins_amdfam10): New
6336         define_insn_reservation.
6337         * config/i386/i386.md (sseins): Added sseins to define_attr type
6338         and define_attr unit.
6339         * config/i386/sse.md: Set type attribute to sseins for insertq
6340         and insertqi.
6341
6342 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6343
6344         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
6345         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
6346         ssecomi_load_amdfam10, ssecomi_amdfam10,
6347         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
6348         define_insn_reservation.
6349         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
6350
6351 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6352
6353         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
6354         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
6355         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
6356         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
6357         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
6358         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
6359         define_insn_reservation.
6360
6361         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
6362         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
6363         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
6364         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
6365         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
6366
6367 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6368
6369         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
6370         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
6371         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
6372         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
6373         athlon_ssemul_load_k8): Added amdfam10.
6374
6375 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6376
6377         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
6378         (x86_sse_unaligned_move_optimal): New variable.
6379
6380         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
6381         m_AMDFAM10.
6382         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
6383         for unaligned vector SSE double/single precision loads for AMDFAM10.
6384
6385 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6386
6387         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
6388         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
6389         Define TARGET_CPU_DEFAULT_amdfam10.
6390         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
6391         (processor_type): Add PROCESSOR_AMDFAM10.
6392
6393         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
6394         processor_type in config/i386/i386.h.
6395         Enable imul peepholes for TARGET_AMDFAM10.
6396
6397         * config.gcc: Add support for --with-cpu option for amdfam10.
6398
6399         * config/i386/i386.c (amdfam10_cost): New variable.
6400         (m_AMDFAM10): New macro.
6401         (m_ATHLON_K8_AMDFAM10): New macro.
6402         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
6403         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
6404         x86_promote_QImode, x86_integer_DFmode_moves,
6405         x86_partial_reg_dependency, x86_memory_mismatch_stall,
6406         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
6407         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
6408         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
6409         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
6410         Enable/disable for amdfam10.
6411         (override_options): Add amdfam10_cost to processor_target_table.
6412         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
6413         processor_alias_table.
6414         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
6415         (ix86_adjust_cost): Add code for amdfam10.
6416
6417 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6418
6419         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
6420         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
6421         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
6422         * config/i386/i386.h: Add builtin definition for SSE4A.
6423         * config/i386/i386.md: Add support for ABM instructions
6424         (popcnt and lzcnt).
6425         * config/i386/sse.md: Add support for SSE4A instructions
6426         (movntss, movntsd, extrq, insertq).
6427         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
6428         Add -march=amdfam10 flag.
6429         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
6430         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
6431         and amdfam10.
6432         * doc/extend.texi: Add documentation for SSE4A builtins.
6433
6434 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
6435
6436         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
6437
6438 2007-02-05  Richard Guenther  <rguenther@suse.de>
6439
6440         * tree-vectorizer.h (vectorizable_function): Add argument type
6441         argument, change return type.
6442         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
6443         * tree-vect-transform.c (vectorizable_function): Handle extra
6444         argument, return vectorized function decl.
6445         (build_vectorized_function_call): Remove.
6446         (vectorizable_call): Handle calls with result and argument types
6447         differing.  Handle loop vectorization factor correctly.
6448         * targhooks.c (default_builtin_vectorized_function): Adjust for
6449         extra argument.
6450         * targhooks.h (default_builtin_vectorized_function): Likewise.
6451         * target.h (builtin_vectorized_function): Add argument type
6452         argument.
6453         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
6454         extra argument, allow vectorizing of lrintf.
6455         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
6456         documentation of target hook.
6457
6458 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
6459
6460         PR target/30665
6461         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
6462         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
6463         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
6464
6465 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6466
6467         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
6468         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
6469         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
6470         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
6471         before canonicalizing sincos to cexpi.
6472         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
6473
6474 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6475
6476         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
6477         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
6478         (alpha_init_builtins): Use alpha_add_builtins to process tables.
6479
6480 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6481
6482         * mips-tfile.c (initialize_init_file): Correct endianness test.
6483
6484 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
6485
6486         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
6487         the 'y' constraint.
6488
6489 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6490
6491         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
6492         saves in a PARALLEL before the register assignments.
6493
6494 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6495
6496         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
6497         DWARF_FRAME_RETURN_COLUMN to be a general register.
6498         * dwarf2out.c (init_return_column_size): New function, split from...
6499         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
6500         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
6501         to be nongeneral registers.
6502         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
6503         integer registers.
6504         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
6505         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
6506
6507 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6508
6509         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
6510
6511 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6512
6513         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
6514         (remove_path): Use can_remove_branch_p and remove_branch instead
6515         of loop_delete_branch_edge.
6516         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
6517         (tree_transform_and_unroll_loop): Remove dead branches immediately.
6518         Update profile using scale_dominated_blocks_in_loop.
6519         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
6520         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
6521         (can_remove_branch_p, remove_branch): Declare.
6522         * tree-cfg.c (tree_can_remove_branch_p): New function.
6523         (tree_cfg_hooks): Add tree_can_remove_branch_p.
6524         * cfgrtl.c (rtl_can_remove_branch_p): New function.
6525         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
6526
6527 2007-02-05  Jan Hubicka  <jh@suse.cz>
6528
6529         PR middle-end/30696
6530         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
6531         nodes in cgraph, don't remove offline copy of the function.
6532
6533 2007-02-04  Jan Hubicka  <jh@suse.cz>
6534
6535         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
6536         vectors might cause maybe_lookup_element_for_expr to be called
6537         on non-sra-candidate.
6538
6539 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6540
6541         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
6542         config/bfin/bfin.md, config/bfin/predicates.md: Follow
6543         spelling conventions.
6544
6545 2007-02-04  Richard Guenther  <rguenther@suse.de>
6546
6547         PR middle-end/30636
6548         * fold-const.c (try_move_mult_to_index): Make sure to not
6549         overflow one dimension of a multi-dimensional array access.
6550
6551 2007-02-04  Jan Hubicka  <jh@suse.cz>
6552
6553         * passes.c (init_optimization_passes): Reindent.
6554
6555 2007-02-04  Jan Hubicka  <jh@suse.cz>
6556             Eric Botcazou  <ebotcazou@adacore.com>
6557
6558         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
6559         (execute_fixup_cfg): Break out the abnormal goto code.
6560         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
6561         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
6562         (optimize_inline_calls): Call make_nonlocal_label_edges.
6563
6564 2007-02-04  Jan Hubicka  <jh@suse.cz>
6565
6566         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
6567         true when something was changed.
6568         (rename_ssa_copies): When something was changed, do
6569         TODO_remove_unused_locals.
6570         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6571         add TODO_remove_unused_locals when instruction was removed.
6572
6573 2007-02-04  Jan Hubicka  <jh@suse.cz>
6574
6575         * ipa-inline.c (try_inline): Improve debug output; work on already
6576         inline edges too.
6577         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
6578         call try_inline for already inlined edges too when flattening;
6579         inline also functions that make callee growth but overall unit size
6580         reduce.
6581
6582 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6583
6584         * config/m32c/bitops.md, config/m32c/jump.md,
6585         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
6586         config/m32r/m32r.h, config/m32r/m32r.md,
6587         config/m32r/predicates.md, config/m68hc11/larith.asm,
6588         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
6589         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
6590         config/mips/mips-protos.h, config/mips/mips.c,
6591         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
6592         config/mn10300/mn10300.h, config/mn10300/predicates.md,
6593         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
6594         spelling conventions.
6595
6596         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
6597         Follow spelling conventions.
6598
6599 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
6600
6601         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
6602         warn about C++0x compatibility.
6603
6604 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6605
6606         * config/h8300/h8300.c, config/h8300/h8300.h,
6607         config/h8300/h8300.md: Follow spelling conventions.
6608
6609 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
6610
6611         PR middle-end/30667
6612         * combine.c (try_combine): Do not substitute source operand
6613         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
6614
6615 2007-02-03  Jan Hubicka  <jh@suse.cz>
6616
6617         PR gcov-profile/30650
6618         * value-prof.c (stringop_block_profile): Fix handling of size counter;
6619         do not divide by zero for never executed counters.
6620         (tree_find_values_to_profile): Fix counters.
6621         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
6622
6623 2007-02-03  Ian Lance Taylor  <iant@google.com>
6624
6625         * lower-subreg.c (simple_move_operand): New static function,
6626         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
6627         operands.
6628         (simple_move): Call simple_move_operand.
6629         (find_decomposable_subregs): Add special handling of MEMs.
6630         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
6631         meaning of return value.  If we see a hard register, test whether
6632         it can store a word_mode value.  Change all callers.
6633
6634 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6635
6636         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
6637         ftrapv insns and expanders.
6638         (subdi3): Change define_expand operand 1 to arith11_operand, and
6639         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
6640         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
6641         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
6642         respectively.
6643
6644         PR middle-end/30174
6645         * varasm.c (notice_global_symbol): Treat global objects as weak when
6646         flag_shlib is true.
6647
6648 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6649
6650         * emit-rtl.c (dconstpi): Delete.
6651         (dconstsqrt2): New.
6652         (init_emit_once): Delete dconstpi and init dconstsqrt2.
6653         * real.h (dconstpi): Delete.
6654         (dconstsqrt2): New.
6655         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
6656         (fold_builtin_hypot): Likewise.
6657
6658 2007-02-03  Tom Tromey  <tromey@redhat.com>
6659
6660         PR driver/30246
6661         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
6662         -gcoff3, -gxcoff3, -gvms3 implies -dD.
6663
6664 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
6665
6666         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
6667         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
6668         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
6669         config/rs6000/cell.md, config/rs6000/darwin.h,
6670         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
6671         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
6672         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
6673         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
6674         typos.  Follow spelling conventions.
6675         * doc/invoke.texi: Follow spelling conventions.
6676
6677 2007-02-03  Roger Sayle  <roger@eyesopen.com>
6678
6679         * simplify-rtx.c (simplify_relational_operation_1): Implement some
6680         canonicalization transformations that attempt to simplify integer
6681         constant comparisons to become comparisons against zero.
6682
6683 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6684
6685         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
6686         fabs(x)*sqrt(2).
6687         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
6688         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
6689
6690 2007-02-02  Mike Stump  <mrs@apple.com>
6691
6692         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
6693         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
6694         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
6695         generate a branch island.
6696
6697 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
6698
6699         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
6700         (xtensa_legitimate_address_p): New.
6701         (xtensa_legitimize_address): New.
6702         (xtensa_output_addr_const_extra): New.
6703         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
6704         (BASE_REG_P): New.
6705         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
6706         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
6707         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
6708         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
6709         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
6710         (xtensa_legitimize_address): New.
6711         (xtensa_output_addr_const_extra): New.
6712
6713 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
6714
6715         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
6716
6717 2007-02-02  Ian Lance Taylor  <iant@google.com>
6718
6719         * expmed.c (expand_divmod): Add comment.
6720
6721 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
6722
6723         * emit-rtl.c (renumber_insns): Remove.
6724         * flags.h: Remove the extern for flag_renumber_insns.
6725         * rtl.h: Remove the prototype for renumber_insns.
6726         * toplev.c (flag_renumber_insns): Remove.
6727
6728 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
6729
6730         Revert for x86 darwin:
6731         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
6732
6733         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
6734         code before the following patch under TARGET_MACHO.
6735         (ix86_function_value_regno_p): Likewise.
6736
6737 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6738
6739         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
6740         COMPLEX_EXPR.
6741
6742 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
6743
6744         PR target/29682
6745         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
6746         general or fp registers.  Add comments.
6747         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
6748
6749 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
6750
6751         * pointer-set.c (insert_aux): Only return insertion slot.
6752         (pointer_set_insert): Adjust.
6753         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
6754         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
6755         pointer_map_traverse): New.
6756         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
6757         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
6758         pointer_map_contains, pointer_map_traverse): Declare.
6759
6760 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
6761
6762         PR middle-end/30473
6763         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
6764         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
6765
6766 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
6767
6768         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
6769
6770         (struct _dep): New type.
6771         (dep_t): New typedef.
6772         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
6773         (DEP_STATUS): New access macro.  The macro with the same name was
6774         renamed to DEP_LINK_STATUS.
6775         (dep_init): Declare function
6776
6777         (struct _dep_link): New type.
6778         (dep_link_t): New typedef.
6779         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
6780         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
6781         (DEP_LINK_STATUS): New macro.
6782         (debug_dep_links): New debug function.
6783
6784         (struct _deps_list): New type.
6785         (deps_list_t): New typedef.
6786         (DEPS_LIST_FIRST): New access macro.
6787         (FOR_EACH_DEP_LINK): New cycle macro.
6788         (create_deps_list, free_deps_list, delete_deps_list): Declare
6789         functions.
6790         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
6791         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
6792         (copy_deps_list_change_con): Ditto.
6793
6794         (move_dep_link): Declare function.
6795
6796         (struct _dep_node): New type.
6797         (dep_node_t): New typedef.
6798         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
6799
6800         (struct haifa_insn_data.back_deps): New field to hold backward
6801         dependencies of the insn.
6802         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
6803         to deps_list_t.
6804         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
6805         Change its type to deps_list_t.
6806         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
6807         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
6808         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
6809
6810         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
6811
6812         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
6813
6814         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
6815         all callers.
6816         (dep_cost): Declare.
6817
6818         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
6819         (ds_to_dk, dk_to_ds): New functions.
6820
6821         (init_dep_1): New static function.
6822         (init_dep): New function.
6823         (copy_dep): New static function.
6824
6825         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
6826         functions.
6827         (detach_dep_link): New static function.
6828         (move_dep_link): New function.
6829
6830         (dep_links_consistent_p, dump_dep_links): New static functions.
6831         (debug_dep_links): New debugging function.
6832
6833         (deps_obstack, dl_obstack, dn_obstack): New static variables.
6834
6835         (alloc_deps_list, init_deps_list): New static functions.
6836         (create_deps_list): New function.
6837         (clear_deps_list): New static function.
6838         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
6839         (deps_list_consistent_p, dump_deps_list): New static functions.
6840         (debug_deps_list): New function.
6841         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
6842         functions.
6843         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
6844
6845         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
6846         use new scheduler dependencies lists.
6847         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
6848         (sched_analyze): Ditto.  Initialize dependencies lists.
6849         (add_forw_dep, compute_forward_dependences): Update to use new
6850         scheduler dependencies lists.
6851
6852         (init_dependency_caches): Init deps_obstack.
6853         (free_dependency_caches): Free deps_obstack.
6854
6855         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
6856         new scheduler dependencies lists.
6857         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
6858         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6859
6860         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
6861         Update to use new scheduler dependencies lists.
6862         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
6863         (debug_dependencies): Ditto.
6864         (schedule_region): Update comments.
6865
6866         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
6867         scheduler dependencies lists.
6868         (schedule_ebb): Update comments.
6869
6870         * rtl.def (DEPS_LIST): Remove.
6871
6872         * lists.c (unused_deps_list): Remove.
6873         (free_list): Update assertions.
6874
6875         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
6876         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6877
6878         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
6879         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6880
6881         * haifa-sched.c (comments): Update.
6882         (insn_cost1): Remove.  Inline the code into insn_cost ().
6883         (insn_cost): Update to use new scheduler dependencies lists.  Move
6884         processing of the dependency cost to dep_cost ().
6885         (dep_cost): New function.  Use it instead of insn_cost () when
6886         evaluating cost of the dependency.  Use compatible interface to
6887         interact with the target.
6888         (priority): Update to use new scheduler dependencies lists.
6889         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
6890         with greater number of insns that depend on the insn.
6891         (schedule_insn): Update to use new scheduler dependencies lists.  Add
6892         code to free backward dependencies lists.  Inline and optimize code
6893         from resolve_dep () - see PR28071.
6894         (ok_for_early_queue_removal): Update to use new scheduler dependencies
6895         lists.  Update call to targetm.sched.is_costly_dependence hook.
6896
6897         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
6898         scheduler dependencies lists.
6899
6900         (resolve_dep): Remove.  Move the logic to schedule_insn ().
6901         (init_h_i_d): Initialize dependencies lists.
6902
6903         (process_insn_depend_be_in_spec): Rename to
6904         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
6905         dependencies lists.
6906         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
6907         Update to use new scheduler dependencies lists.
6908         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
6909
6910         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
6911         new scheduler dependencies lists.
6912         (build_intra_loop_deps): Ditto.
6913
6914         * target.h (struct _dep): Declare to use in
6915         gcc_target.sched.is_costly_dependence.
6916         (struct gcc_target.sched.adjust_cost): Fix typo.
6917         (struct gcc_target.sched.is_costly_dependence): Change signature to use
6918         single dep_t parameter instead of an equivalent triad.
6919         (struct gcc_target.sched.adjust_cost_2): Remove.
6920
6921         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
6922
6923         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
6924
6925         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
6926         documentation.
6927         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
6928
6929         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
6930         (REG_DEP_TRUE): Document.
6931
6932         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
6933         Change signature to correspond to the targetm.sched.adjust_cost hook.
6934         Update use in TARGET_SCHED_ADJUST_COST_2.
6935         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
6936         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
6937         new scheduler dependencies lists.
6938         (ia64_gen_check): Ditto.
6939
6940         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
6941         dependencies lists.
6942
6943         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
6944         signature to correspond to the targetm.sched.is_costly_dependence hook.
6945         (is_costly_group): Update to use new scheduler dependencies lists.
6946
6947         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
6948         instead of INSN_COST () macro.
6949
6950 2007-02-01  Ian Lance Taylor  <iant@google.com>
6951
6952         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
6953
6954 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
6955
6956         * pa.md (tp_load): Correct mfctl instruction syntax.
6957
6958 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
6959
6960         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
6961         altivec_padding_size calculation on AIX.  Improve comment, add
6962         assert to verify that it's right.
6963
6964         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
6965         64-bit.
6966
6967 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
6968
6969         PR inline-asm/28686
6970         * global.c (global_alloc): Add mising initialization of
6971         ELIMINABLE_REGSET.
6972
6973 2007-02-01  Roger Sayle  <roger@eyesopen.com>
6974
6975         * alias.c (init_alias_analysis): Correct whitespace.
6976         * bb-reorder.c (fix_edges_for_rarely_executed_code,
6977         partition_hot_cold_basic_blocks): Likewise.
6978         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
6979         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
6980         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
6981         fold_builtin_snprintf_chk, fold_builtin_printf,
6982         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
6983         do_mpfr_arg3, do_mpfr_sincos): Likewise.
6984         * cfgcleanup.c (cleanup_cfg): Likewise.
6985         * cfgexpand.c (tree_expand_cfg): Likewise.
6986         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
6987         * function.c (get_next_funcdef_no): Likewise.
6988         * gengtype.c (main): Likewise.
6989         * genmodes.c (main): Likewise.
6990         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
6991         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
6992         * ifcvt.c (noce_emit_move_insn): Likewise.
6993         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
6994         Likewise.
6995         * stor-layout.c (get_best_mode): Likewise.
6996         * tree-ssa-loop-niter.c (get_val_for): Likewise.
6997         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
6998         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
6999         perform_var_substitution, solve_graph): Likewise.
7000         * tree-vrp.c (vrp_finalize): Likewise.
7001
7002 2007-02-01  Ian Lance Taylor  <iant@google.com>
7003
7004         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7005         high part of a paradoxical subreg, return a constant zero.
7006
7007 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7008
7009         * toplev.c (lang_dependent_init): Call init_set_costs.
7010         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7011
7012 2007-02-01  Richard Guenther  <rguenther@suse.de>
7013
7014         PR middle-end/30656
7015         * fold-const.c (fold_negate_expr): Allow negating a
7016         constant if overflow does not change.
7017
7018 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7019
7020         * doc/c-tree.texi (Expression trees): Improve markup.
7021         * doc/tm.texi (Register Classes, Addressing Modes)
7022         (Floating Point): Fix spacing after abbreviations.  Fix some
7023         typos.
7024
7025 2007-02-01  Ben Elliston  <bje@au.ibm.com>
7026
7027         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
7028         * doc/contrib.texi: Likewise.
7029         * doc/install.texi: Likewise.
7030
7031 2007-01-31  Richard Henderson  <rth@redhat.com>
7032             Ian Lance Taylor  <iant@google.com>
7033
7034         * lower-subreg.c: New file.
7035         * rtl.def (CONCATN): Define.
7036         * passes.c (init_optimization_passes): Add pass_lower_subreg and
7037         pass_lower_subreg2.
7038         * emit-rtl.c (update_reg_offset): New static function, broken out
7039         of gen_rtx_REG_offset.
7040         (gen_rtx_REG_offset): Call update_reg_offset.
7041         (gen_reg_rtx_offset): New function.
7042         * regclass.c: Revert patch of 2006-03-05, restoring
7043         reg_scan_update.
7044         (clear_reg_info_regno): New function.
7045         * dwarf2out.c (concatn_loc_descriptor): New static function.
7046         (loc_descriptor): Handle CONCATN.
7047         * common.opt (fsplit_wide_types): New option.
7048         * opts.c (decode_options): Set flag_split_wide_types when
7049         optimizing.
7050         * timevar.def (TV_LOWER_SUBREG): Define.
7051         * rtl.h (gen_reg_rtx_offset): Declare.
7052         (reg_scan_update): Declare.
7053         * regs.h (clear_reg_info_regno): Declare.
7054         * tree-pass.h (pass_lower_subreg): Declare.
7055         (pass_lower_subreg2): Declare.
7056         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
7057         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
7058         -fsplit-wide-types.
7059         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
7060         * Makefile.in (OBJS-common): Add lower-subreg.o.
7061         (lower-subreg.o): New target.
7062
7063 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7064
7065         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
7066
7067 2007-01-31  Anatoly Sokolov <aesok@post.ru>
7068
7069         PR target/19087
7070         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
7071
7072 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7073
7074         PR middle-end/29335
7075         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
7076
7077 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
7078
7079         * cfgloop.h: Include vec-prim.h.
7080         (enum li_flags): Remove LI_ONLY_OLD.
7081         (loop_iterator): Changed.
7082         (fel_next, fel_init): Iterate over loop tree.
7083         (FOR_EACH_LOOP_BREAK): New macro.
7084         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
7085         FOR_EACH_LOOP.
7086         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
7087         * modulo-sched.c (sms_schedule): Ditto.
7088         * tree-vectorizer.c (vectorize_loops): Ditto.
7089         * doc/loop.texi: Update information on loop numbering and behavior of
7090         FOR_EACH_LOOP wrto new loops.
7091         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7092         add_to_evolution_1): Test nestedness of loops instead of comparing
7093         their numbers.
7094         * tree-chrec.c (chrec_fold_plus_poly_poly,
7095         chrec_fold_multiply_poly_poly, chrec_evaluate,
7096         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
7097         reset_evolution_in_loop): Ditto.
7098         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
7099
7100 2007-01-31  Dirk Mueller  <dmueller@suse.de>
7101
7102         * c-common.c (warn_about_parentheses): Separate warning about
7103         un-parenthized sequence of comparison operators from the one
7104         which is supposed to warn about x <= y <= z.
7105
7106 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
7107
7108         * optabs.h (enum optab_index): Add new OTI_isinf.
7109         (isinf_optab): Define corresponding macro.
7110         * optabs.c (init_optabs): Initialize isinf_optab.
7111         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
7112         patterns.
7113         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
7114         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
7115         using isinf_optab.
7116         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
7117         expand_builtin_interclass_mathfn.
7118         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
7119         * config/i386/i386.md (UNSPEC_FXAM): New constant.
7120         (fxam<mode>2_i387): New insn pattern.
7121         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
7122         built-in functions as x87 inline asm.
7123
7124 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7125
7126         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
7127
7128 2007-01-30  Eric Christopher  <echristo@apple.com>
7129
7130         * config.gcc: Add geode.
7131
7132 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7133
7134         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
7135         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
7136         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
7137         value-prof.c: Fix comment typos.
7138
7139 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7140
7141         PR c++/24745
7142         * doc/invoke.texi (Wpointer-arith): Document warning.
7143
7144 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
7145
7146         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
7147         the list of discrepancies from the draft TR.
7148
7149 2007-01-30  Dirk Mueller  <dmueller@suse.de>
7150
7151         PR c++/30601
7152         * doc/invoke.texi (-Wreturn-type): Update description to
7153         match new behavior.
7154
7155 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
7156
7157         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
7158
7159 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
7160
7161         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
7162         to handle optabs that operate on floating point input argument and
7163         output to integer output.
7164         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
7165         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
7166         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
7167         expand_builtin_interclass_mathfn ().
7168         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
7169         (ilogbsi2): Remove.
7170         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
7171         ilogbl built-in functions as x87 intrinsics.
7172
7173 2007-01-30  Richard Guenther  <rguenther@suse.de>
7174
7175         PR middle-end/27657
7176         * dwarf2out.c (reference_to_unused): Query varpool if the
7177         variable was output.
7178
7179 2007-01-30  Richard Guenther  <rguenther@suse.de>
7180
7181         PR middle-end/30313
7182         * passes.c (execute_one_pass): Reset in_gimple_form to not
7183         confuse non-unit-at-a-time mode.
7184
7185 2007-01-29  Roger Sayle  <roger@eyesopen.com>
7186             Richard Guenther  <rguenther@suse.de>
7187
7188         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
7189         avoid undefined behaviour on overflow.  Use force_fit_type_double
7190         to construct the constant with the specified TREE_OVERFLOW.
7191
7192 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7193
7194         * config/dfp-bit.c: Add parameterized support for fp exceptions.
7195         * config/dfp-bit.h: Ditto.
7196
7197 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7198
7199         * c-decl.c (pop_scope): Replace warnings with call to
7200         warn_for_unused_label.
7201         * c-common.h (warn_for_unused_label): Declare.
7202         * c-common.c (warn_for_unused_label): Define.
7203
7204 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7205
7206         * tree-optimize.c (update_inlined_to_pointers): Delete unused
7207         function.
7208
7209 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7210
7211         * Makefile.in (USER_H): Remove decfloat.h.
7212         * ginclude/decfloat.h: Delete, moving contents to ...
7213         * ginclude/float.h: Add support for decimal floating point,
7214         guarded by __STDC_WANT_DEC_FP__.
7215
7216 2007-01-29  Mike Stump  <mrs@apple.com>
7217
7218         * doc/gccint.texi (Top): Rename Loop Representation to Loop
7219         Analysis and Representation to resolve case insensitive conflict.
7220         * doc/loop.texi (Loop Analysis and Representation): Likewise.
7221
7222 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
7223
7224         * tree.h (struct tree_memory_tag): Add aliases member.
7225         (MTAG_ALIASES): New macro.
7226         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
7227         (add_may_alias): Remove pointer-set. Update for may_aliases being
7228         a bitmap.
7229         (mark_aliases_call_clobbered): Update for may_aliases being a
7230         bitmap.
7231         (compute_tag_properties): Ditto.
7232         (create_partition_for): Ditto.
7233         (compute_memory_partitions): Ditto.
7234         (dump_may_aliases_for): Ditto.
7235         (is_aliased_with): Ditto.
7236         (add_may_alias_for_new_tag): Ditto.
7237         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
7238         (compute_is_aliased): New function.
7239         (compute_may_aliases): Call compute_is_aliased).
7240         (init_alias_info): Initialize alias_bitmap_obstack.
7241         (union_alias_set_into): New function.
7242         (compute_flow_sensitive_aliasing): Use union_aliases_into.
7243         (have_common_aliases_p): Rewrite to take two bitmaps and use
7244         intersection.
7245         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
7246         Update for bitmaps.
7247         (finalize_ref_all_pointers): Update for add_may_alias changes.
7248         (new_type_alias): Ditto.
7249         * tree-flow-inline.h (may_aliases): Return a bitmap.
7250         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
7251         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
7252         may_aliases being a bitmap.
7253         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
7254         may_aliases now returns a bitmap.
7255         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
7256         being a bitmap.
7257         * tree-ssa-operands.c (add_virtual_operand): Update for
7258         may_aliases being a bitmap.
7259
7260 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
7261
7262         PR tree-optimization/30630
7263         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
7264         variable as changed.
7265
7266 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
7267
7268         PR c++/28266
7269         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
7270         expanded only once even if an error occurs.
7271
7272 2007-01-29  Ben Elliston  <bje@au.ibm.com>
7273
7274         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
7275         (__gcov_average_profiler): Likewise.
7276         (__gcov_ior_profiler): Likewise.
7277         (__gcov_merge_ior): Likewise.
7278
7279 2007-01-28  Jan Hubicka  <jh@suse.cz>
7280
7281         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
7282         * value-prof.c (stringop_block_profile): Likewise.
7283
7284 2007-01-28  Jan Hubicka  <jh@suse.cz>
7285
7286         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
7287         variant handling histograms; add wrapper.
7288         (clear_storage_via_libcall): Export.
7289         (emit_block_move_hints): Break out from ...; add histograms.
7290         (emit_block_move): ... this one.
7291         (clear_storage_hints): Break out from ...; add histograms.
7292         (clear_storage): ... this one.
7293         (set_storage_via_memset): Handle histogram.
7294         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
7295         (clear_storage_hints, clear_storage_via_libcall): Declare.
7296         (set_storage_via_setmem): Update prototype.
7297         * doc/md.texi (movmem, setmem): Document new arguments.
7298
7299         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
7300         new histograms.
7301         (stringop_block_profile): New global function.
7302         (tree_stringops_values_to_profile): Profile block size and alignment.
7303         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
7304         HIST_TYPE_IOR.
7305         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
7306         (stringop_block_profile): Declare.
7307         * builtins.c: Include value-prof.h.
7308         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
7309         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
7310         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
7311         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
7312         * profile.c (instrument_values): Add new counters.
7313         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
7314         calls.
7315         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
7316         (tree_init_edge_profiler): Build new profilers.
7317         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
7318         (pass_tree_profile): Add dump.
7319         (tree_profile_hooks): Update.
7320         * Makefile.in (LIBGCOV): Add new constants.
7321         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
7322         __gcov_ior_profiler): New.
7323         * i386.md (movmem/setmem expanders): Add new optional arguments.
7324
7325 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
7326
7327         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
7328
7329 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7330
7331         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
7332         (tree_unswitch_single_loop): Pass eni_size_weights to
7333         tree_num_loop_insns.
7334         * tree-ssa-loop-manip.c: Include tree-inline.h.
7335         (can_unroll_loop_p): Pass eni_size_weights to
7336         tree_num_loop_insns.
7337         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
7338         Pass eni_size_weights to estimate_num_insns.
7339         * tree.h (init_inline_once): Export.
7340         * toplev.c (backend_init): Call init_inline_once.
7341         * cgraphunit.c (cgraph_process_new_functions,
7342         cgraph_analyze_function): Pass eni_inlining_weights to
7343         estimate_num_insns.
7344         * ipa-inline.c (compute_inline_parameters): Ditto.
7345         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
7346         to estimate_num_insns.
7347         (try_unroll_loop_completely): Pass eni_size_weights to
7348         tree_num_loop_insns.
7349         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
7350         ot estimate_num_insns.
7351         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
7352         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
7353         * tree-inline.c (eni_inlining_weights, eni_size_weights,
7354         eni_time_weights): New variables.
7355         (init_inline_once): Initialize them.
7356         (struct eni_data): Mew.
7357         (estimate_num_insns_1, estimate_num_insns): Use weights.
7358         * tree-inline.h (struct eni_weights_d): New.
7359         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
7360         (estimate_num_insns): Declaration changed.
7361         * cfgloop.h (tree_num_loop_insns): Declaration changed.
7362         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
7363         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
7364
7365 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7366
7367         * tree-data-ref.c (conflict_fn): Assert that the number of affine
7368         relations in the conflict function is valid.
7369
7370 2007-01-27  Ian Lance Taylor  <iant@google.com>
7371
7372         * common.opt: Add fstrict-overflow.
7373         * opts.c (decode_options): Set flag_strict_overflow if -O2.
7374         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
7375         (TYPE_OVERFLOW_UNDEFINED): Define.
7376         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
7377         Replace all uses.
7378         * tree.h (TYPE_TRAP_SIGNED): Don't define.
7379         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
7380         (fold_negate_expr): Likewise.
7381         (make_range): Likewise.
7382         (extract_muldiv_1): Likewise.
7383         (maybe_canonicalize_comparison): Likewise.
7384         (fold_comparison): Likewise.
7385         (fold_binary): Likewise.
7386         (tree_expr_nonnegative_p): Likewise.
7387         (tree_expr_nonzero_p): Likewise.
7388         * tree-vrp.c (compare_values): Likewise.
7389         (extract_range_from_binary_expr): Likewise.
7390         (extract_range_from_unary_expr): Likewise.
7391         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
7392         Likewise.
7393         (nowrap_type_p): Likewise.
7394         * tree-scalar-evolution.c (simple_iv): Likewise.
7395         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
7396         (build_range_check): Likewise.
7397         (extract_muldiv_1): Likewise.
7398         (fold_comparison): Likewise.
7399         * tree-vrp.c (vrp_int_const_binop): Likewise.
7400         (extract_range_from_unary_expr): Likewise.
7401         * convert.c (convert_to_integer): Likewise.
7402         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
7403         (fold_comparison): Likewise.
7404         (fold_binary): Likewise.
7405         * optabs.c (optab_for_tree_code): Likewise.
7406         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
7407         * simplify-rtx.c (simplify_const_relational_operation): Check
7408         flag_strict_overflow and flag_trapv.
7409         (simplify_const_relational_operation): Likewise.
7410         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
7411         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
7412         -fstrict-overflow.
7413
7414 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7415
7416         * tree.c (tree_fold_gcd): Delete.
7417         * tree.h (tree_fold_gcd): Remove prototype.
7418         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
7419         test whether one constant integer is a multiple of another.  Instead
7420         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
7421         * fold-const.c (multiple_of_p):  We've determined both TOP and
7422         BOTTOM are integer constants so we can call int_const_binop directly
7423         instead of the more generic const_binop.
7424
7425 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7426
7427         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
7428         1*X check that the constant hasn't overflowed, to preserve the
7429         TREE_OVERFLOW bit.
7430         (round_up): Provide an efficient implementation when rouding-up an
7431         INTEGER_CST to a power-of-two.
7432
7433 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7434
7435         * doc/sourcebuild.texi: Add comma for clarity.
7436         * doc/extend.texi: Fix some typos.
7437         * doc/passes.texi: Likewise.
7438         * doc/cppinternals.texi: Likewise.
7439         * doc/c-tree.texi: Likewise.
7440         * doc/tree-ssa.texi: Likewise.
7441         * doc/install.texi: Likewise.
7442
7443 2007-01-27  Jan Hubicka  <jh@suse.cz>
7444
7445         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
7446         (pass_sra): Do not require alias information.
7447         * passes.c (init_optimization_passes): Add SRA
7448
7449 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
7450
7451         * tracer.c (rest_of_handle_tracer): We already cleaned
7452         up the CFG in tracer() so don't do it here again.
7453         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
7454         cleanup_cfg here, either.  And don't call renumber_insns.
7455
7456         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
7457         and BB_HEAD are in the insn stream here.  Instead make sure
7458         that BB_INSN is valid on all insns.  Also, do check here that
7459         there are no pending branch predictions...
7460         (rtl_verify_flow_info): ...instead of doing it here.  Checks
7461         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
7462         here.
7463
7464 2007-01-26  Roger Sayle  <roger@eyesopen.com>
7465
7466         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
7467         function to simplify/factorize operand order canonicalization.
7468         (ix86_fixup_binary_operands): Reorganize using the above function.
7469         (ix86_binary_operator_ok): Likewise.
7470
7471 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
7472
7473         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
7474         file scope from optimize_attrs.
7475         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
7476         up search.
7477         (optimize_attrs): Clear insn_code_values after freeing it.
7478
7479 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7480
7481         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
7482         a parts.base assignment.
7483
7484 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7485
7486         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
7487         (compute_subscript_distance, initialize_data_dependence_relation,
7488         finalize_ddr_dependent, analyze_ziv_subscript,
7489         analyze_siv_subscript_cst_affine,
7490         compute_overlap_steps_for_affine_univar,
7491         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7492         analyze_siv_subscript, analyze_miv_subscript,
7493         analyze_overlapping_iterations, subscript_dependence_tester_1,
7494         compute_self_dependence, free_dependence_relation): Work
7495         with affine_fn instead of chrecs.
7496         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
7497         common_affine_function, affine_function_base,
7498         affine_function_constant_p, affine_fn_op, affine_fn_plus,
7499         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
7500         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
7501         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
7502         (all_chrecs_equal_p): Removed.
7503         * tree-data-ref.h (affine_fn, conflict_function): New types.
7504         (struct subscript): Change type of conflicting_iterations_in_a
7505         and conflicting_iterations_in_b.
7506
7507 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
7508
7509         PR other/30182
7510         * config/pa/pa.h (TARGET_HPUX_11): New.
7511         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
7512         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
7513
7514 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
7515         Richard Guenther  <rguenther@suse.de>
7516
7517         * tree-ssa-structalias.c (solve_graph): Handle case
7518         we merged the variable to another.
7519
7520 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7521
7522         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
7523         functions.
7524
7525         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
7526         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
7527
7528 2007-01-25  DJ Delorie  <dj@redhat.com>
7529
7530         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
7531         allow changes to modes which don't fit in those registers.
7532
7533         * reload1.c (choose_reload_regs): Check for invalid subregs before
7534         computing their locations, not after.
7535
7536 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
7537
7538         PR 25127
7539         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
7540         save Altivec registers in an eh_return function.
7541         (compute_vrsave_mask): Likewise.
7542         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
7543         for saving Altivec registers.
7544         (rs6000_emit_prologue): Don't allocate stack twice in
7545         eh_return function.  Correct expected value of altivec_save_offset
7546         when using save_world.  Describe save of R0 to stack when using
7547         save_world.  Describe stack pointer adjustment when using
7548         save_world.  Remove duplicated eh_return parameter register saving.
7549         Update sp_offset variable after save_world.
7550         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
7551         darwin-world.asm.
7552         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
7553         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
7554         implies Altivec.
7555
7556 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7557
7558         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
7559
7560 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7561
7562         PR other/30182
7563         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
7564         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
7565
7566 2007-01-25  Richard Guenther  <rguenther@suse.de>
7567
7568         * doc/invoke.texi (-Wcoverage-mismatch): Document.
7569         * common.opt (-Wcoverage-mismatch): New warning option.
7570         * coverage.c (get_coverage_counts): Ignore coverage mismatch
7571         if -Wcoverage-mismatch is given.
7572
7573 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
7574
7575         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
7576         (ipcp_driver): Change to static definition.
7577         Add dumping of the ifunctions.
7578         (constant_val_insert): Remove unused parameter. Support for SSA.
7579         (ipcp_propagate_const): Support for SSA.
7580         (ipcp_profile_bb_print): Print only analyzed nodes.
7581         (ipcp_replace_map_create): Remove support for Fortran constant
7582         for now.
7583         * ipa-prop.c (ipa_method_modify_stmt,
7584         ipa_callsite_compute_param): Support for SSA.
7585         * ipa-prop.h (ipcp_driver): Remove declaration.
7586         (IS_VALID_TREE_MAP_INDEX): Add define.
7587
7588 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
7589
7590         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
7591
7592 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7593
7594         PR middle-end/30447
7595         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
7596         constant argument to cabs and do it without checking for
7597         -funsafe-math-optimizations.
7598
7599 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
7600
7601         * c-common.h (RID_FIRST_CXX0X): New.
7602         (RID_LAST_CXX0X): New.
7603         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
7604         by -Wall.
7605         * c.opt (Wc++0x-compat): New.
7606         * doc/invoke.texi (-Wc++0x-compat): Document.
7607
7608 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7609
7610         * builtins.c (fold_builtin_carg): New.
7611         (fold_builtin_1): Use it.
7612
7613 2007-01-24  Jan Hubicka  <jh@suse.cz>
7614
7615         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
7616
7617         * ipa-inline.c (initial_insns, max_insns): Delete.
7618         (compute_max_insns): New function.
7619         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
7620         of insns as base for code growth.
7621         (cgraph_decide_inlining): Make initial_insns local; do not compute
7622         max_insns.
7623         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
7624         * doc/invoke.texi (inline-unit-growth): Update docs.
7625
7626 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
7627
7628         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
7629         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
7630         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
7631         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
7632         for CPUs that have PTA_CX16 set.
7633
7634         PR middle-end/27416
7635         * gimplify.c (omp_check_private): New function.
7636         (gimplify_scan_omp_clauses): Use it for
7637         firstprivate/lastprivate/reduction.
7638
7639         PR middle-end/30494
7640         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
7641         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
7642
7643         PR middle-end/30421
7644         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
7645         If lower_lastprivate_clauses emits some statements, append them
7646         to dlist rather than body_p and to body_p append an initializer.
7647         (lower_omp_for): Adjust caller.
7648
7649 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
7650
7651         * target.h (globalize_decl_name): New.
7652         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7653         * output.h (default_globalize_decl_name): New.
7654         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
7655         globalize_label.
7656         (globalize_decl): Ditto.
7657         (default_globalize_decl_name): New.
7658         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
7659         (ia64_handle_version_id_attribute): New.
7660         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7661         (ia64_asm_output_external): Use globalize_decl_name instead
7662         of globalize_label.
7663         * doc/extend.texi (version_id): New pragma.
7664         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
7665
7666 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7667
7668         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
7669         _uleb128_t and _Unwind_SWord with _sleb128_t.
7670         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
7671         uw_frame_state_for, uw_update_context_1): Likewise.
7672         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
7673         * unwind-pe.h (read_uleb128, read_sleb128,
7674         read_encoded_value_with_base): Likewise.
7675         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
7676
7677 2007-01-24  Richard Guenther  <rguenther@suse.de>
7678
7679         * builtins.c (expand_builtin_cexpi): Get the fndecl
7680         for cexp in the correct way.
7681
7682 2007-01-24  Jan Hubicka  <jh@suse.cz>
7683
7684         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
7685
7686 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7687
7688         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
7689         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
7690         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
7691         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
7692         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
7693         __SIZEOF_PTRDIFF_T__.
7694         * doc/cpp.texi: Documentation for the new builtin macros added.
7695
7696 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
7697
7698         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
7699         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
7700         instead of operands[2] to avoid access past the end of array.
7701
7702 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
7703
7704         * reload1.c (emit_reload_insns): Pass the reload register
7705         for a non-spill output reload through forget_old_reloads_1.
7706
7707 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
7708
7709         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
7710         _SOFT_DOUBLE if doubles use software floating-point.
7711         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
7712         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
7713         * config/rs6000/darwin-ldouble.c: Also compile functions for
7714         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
7715         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
7716         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
7717         commented-out long double override.
7718         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
7719         * config/rs6000/eabispe.h: Likewise.
7720         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
7721         long double for non-SPE.
7722         (rs6000_handle_option): Likewise.
7723         (invalid_e500_subreg): Disallow more subregs involding DImode,
7724         DFmode, TImode or TFmode.
7725         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
7726         E500 double.
7727         (legitimate_lo_sum_address_p): Also check for TFmode for E500
7728         double.
7729         (rs6000_legitimize_address): Also handle TFmode for E500 double.
7730         (rs6000_legitimize_reload_address): Also handle TFmode for E500
7731         double.
7732         (rs6000_legitimate_address): Also check for TFmode for E500
7733         double.
7734         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
7735         (spe_build_register_parallel): Handle TFmode and TCmode.
7736         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
7737         double.
7738         (function_arg): Handle TFmode and TCmode for E500 double.
7739         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
7740         in general.
7741         (print_operand): Handle TFmode and TImode for %y.
7742         (rs6000_generate_compare): Handle TFmode comparisons for E500
7743         double.
7744         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
7745         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
7746         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
7747         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
7748         TFmode for E500 double.
7749         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
7750         (floatsidf2): Enable for E500 double.
7751         (movtf_softfloat): Use rs6000_nonimmediate_operand.
7752         (extenddftf2): Change to extenddftf2_fprs.
7753         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
7754         depending on TARGET_E500_DOUBLE.
7755         (extendsftf2): Enable for E500 double.
7756         (trunctfdf2): Enable for E500 double.
7757         (trunctfsf2): Change to trunctfsf2_fprs.
7758         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
7759         depending on TARGET_E500_DOUBLE.
7760         (floatsitf2): Enable for E500 double.
7761         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
7762         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
7763         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
7764         (negtf2): Change to negtf2_internal.
7765         (negtf2): New expander.
7766         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
7767         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
7768         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
7769         (movdi_internal32): Use rs6000_nonimmediate_operand.
7770         (unnamed splitter): Likewise.
7771         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
7772         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
7773         (SPE64TF, DITI): New mode macros.
7774         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
7775         modes.
7776         (frob_tf_ti): New.
7777         (frob_<mode>_di_2): New.
7778         (frob_tf_di_8_2): New.
7779         (frob_di_df): Change to frob_di_<mode>; allow more modes.
7780         (frob_ti_tf): New.
7781         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
7782         more modes.
7783         (frob_ti_<mode>_8_2): New.
7784         (frob_ti_tf_2): New.
7785         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
7786         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
7787         TFmode.
7788         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
7789         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
7790         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
7791         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
7792         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
7793         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
7794         tsttflt_gp): New.
7795
7796 2007-01-23  Ian Lance Taylor  <iant@google.com>
7797
7798         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
7799         insn-*.o first.
7800         (OBJS-archive): Reformat, alphabetize.
7801         (OBJS): Change out_object_file to OBJS-md.
7802
7803 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
7804
7805         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
7806         JUMP_P and CALL_P predicates where applicable.
7807         * config/i386/i386.c: Ditto.
7808         * config/i386/i386.md: Ditto.
7809         * config/i386/mmx.md: Ditto.
7810         * config/i386/predicates.md: Ditto.
7811
7812 2007-01-22  Andreas Schwab  <schwab@suse.de>
7813
7814         * config/m68k/m68k.h: Fix comment.
7815
7816 2007-01-22  Jan Hubicka  <jh@suse.cz>
7817
7818         * passes.c (init_optimization_passes): Do not rerun
7819         pass_early_warn_uninitialized.
7820
7821 2007-01-22  Richard Guenther  <rguenther@suse.de>
7822
7823         PR tree-optimization/30038
7824         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
7825         function.
7826         (execute_cse_sincos_1): Likewise.
7827         (execute_cse_sincos): Likewise.
7828         (gate_cse_sincos): Likewise.
7829         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
7830         the cexpi() canonicalization of sincos().
7831         * tree-pass.h (pass_cse_sincos): Declare.
7832         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
7833
7834 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7835
7836         PR rtl-optimization/29329
7837         * combine.c (replaced_rhs_insn): Rename to i2mod.
7838         (replaced_rhs_value): Rename to i2mod_new_rhs.
7839         (i2mod_old_rhs): New global variable.
7840         (combine_instructions): Adjust for above change.  Save a copy of
7841         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
7842         note are substituted in the second instruction.
7843         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
7844         ditch the note if it pertains to the second eliminated register
7845         and this register is mentioned in i2mod_old_rhs.
7846
7847         Revert:
7848         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
7849
7850         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7851         the insn to which the note was originally attached.
7852
7853 2007-01-21  Jan Hubicka  <jh@suse.cz>
7854
7855         * ipa-inline.c (inlining_mode): Comment, move up.
7856         (cgraph_decide_inlining_incrementally): Do not perform inlining
7857         itself; fix handling of flattening of self recursive functions.
7858         (cgraph_find_cycles): Remove.
7859         (cgraph_flatten_node): Remove.
7860         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
7861         (try_inline): New function.
7862         (cgraph_early_inlining): Update call of
7863         cgraph_decide_inlining_incrementally.  Apply inlining here.
7864         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
7865
7866 2007-01-21  Dirk Mueller  <dmueller@suse.de>
7867
7868         PR bootstrap/30511
7869         * tree-vrp.c (check_array_bounds): do not warn
7870         about ADDR_EXPR's of ARRAY_REF's which are immediately
7871         used in binary expressions.
7872
7873 2007-01-21  Ira Rosen  <irar@il.ibm.com>
7874
7875         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
7876         read_write_dep and macros for its access.
7877         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
7878         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
7879         argument, call vect_check_interleaving for every independent pair of
7880         data-refs. Mark loads that access the same memory location as a store
7881         in the loop.
7882         (vect_check_dependences): Remove.
7883         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
7884         call, fix the call to vect_analyze_data_ref_dependence.
7885         (vect_analyze_data_ref_access): For statements that access the same
7886         data-ref, check that they are not stores; for loads, check that there
7887         is no store that access the same location.
7888
7889 2007-01-20  Roger Sayle  <roger@eyesopen.com>
7890             Joseph Myers  <joseph@codesourcery.com>
7891
7892         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
7893         (-fdump-rtl-stack): Likewise.
7894         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
7895         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
7896         (-mpt-fixed): Use @minus{} for minus sign.
7897         (Using Precompiled Headers): Fix under/overfull hbox.
7898
7899 2007-01-20  Jan Hubicka  <jh@suse.cz>
7900
7901         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
7902         place within annotation.
7903
7904 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7905
7906         * pa.c (output_move_double): Change array size of xoperands to 4.
7907
7908 2007-01-20  Jan Hubicka  <jh@suse.cz>
7909
7910         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
7911         as temporary.
7912
7913 2007-01-19  Ian Lance Taylor  <iant@google.com>
7914
7915         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
7916         constant to unsigned HOST_WIDE_INT before negating.
7917
7918 2007-01-19  Ian Lance Taylor  <iant@google.com>
7919
7920         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
7921         to unsigned.
7922         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
7923         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7924         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
7925         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
7926         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7927         (realloc_vdef, realloc_vuse): Change second parameter to
7928         unsigned.
7929         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
7930         fields to unsigned.
7931         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
7932         unsigned. Change x and lim locals to unsigned.
7933         (realloc_vdef, realloc_vuse): Change num_elem parameter to
7934         unsigned.
7935         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
7936         (copy_virtual_operands): Change i and n locals to unsigned.
7937
7938 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7939
7940         PR middle-end/29335
7941         * builtins.c (fold_builtin_1): Handle builtin fdim.
7942
7943 2007-01-20  Jan Hubicka  <jh@suse.cz>
7944
7945         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
7946         * tree-ssa-structalias.c (compute_points_to_sets): Do call
7947         init_alias_heapvars.
7948         (init_alias_heapvars): Initialize only when not already initialized.
7949         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
7950
7951 2007-01-19  Roger Sayle  <roger@eyesopen.com>
7952
7953         * common.opt (fsigned-zeros): New command line option.
7954         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
7955         of flag_unsafe_math_optimizations.
7956         * opts.c (set_fast_math_flags): The -ffast-math command line option
7957         implies -fno-signed-zeros.
7958         (fast_math_flags_set_p): Likewise.
7959
7960         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
7961         the documentation of -ffast-math appropriately.  Wrap long lines.
7962
7963 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
7964
7965         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
7966         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
7967
7968 2007-01-19  Tomas Bily  <tbily@suse.cz>
7969
7970         * cgraphunit.c (cgraph_finalize_function): Updating of pid
7971         * tree-profile.c:
7972         (tree_init_ic_make_global_vars): New function
7973         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
7974         (tree_gen_ic_profiler): New function
7975         (tree_gen_ic_func_profiler): New function
7976         (tree_profiling): Added calling of tree_gen_ic_func_profiler
7977         (tree_profile_hooks): Added hook for indirec/virtual calls
7978         * value-prof.c (tree_find_values_to_profile): New case for
7979         indirect calls
7980         (tree_values_to_profile): Call for determining indirect/virtual
7981         counters
7982         (tree_indirect_call_to_profile): New function
7983         (tree_ic_transform): New function
7984         (tree_ic): New function
7985         (find_func_by_pid): New function
7986         (init_pid_map): New function
7987         (tree_value_profile_transformations): Added check for
7988         indirect/virtual call transformation
7989         * value-prof.h (enum hist_type): New counter type for
7990         indirect/virtual calls
7991         (profile_hooks): Added new hook for profiling indirect/virtual
7992         calls
7993         * profile.c (instrument_values): New case for indirect/virtual
7994         call added
7995         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
7996         (GCOV_COUNTER_V_INDIR): New counter type
7997         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
7998         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
7999         call added
8000         * cgraph.c: Definition of cgraph_max_pid
8001         (cgraph_create_node): Default init of pid attribute
8002         * cgraph.h: Declaration of cgraph_max_pid
8003         (struct cgraph_node): Added pid attribute
8004         * libgcov.c (__gcov_indirect_call_profiler): New function
8005         (__gcov_one_value_profiler_body): New function
8006         (__gcov_one_value_profiler): Body was moved to
8007         __gcov_one_value_profiler_body and calls it
8008
8009 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8010
8011         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8012         * gengtype.c (write_types_data, write_func_for_structure,
8013         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8014         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8015         (walk_type, write_func_for_structure): Generate the mark_hook if
8016         needed.
8017
8018 2007-01-19  Jan Hubicka  <jh@suse.cz>
8019
8020         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8021         'early' argument take inlining mode argument specifying whether to
8022         inline for size/speeed or all functions; add support for flattening;
8023         improve dumpting.
8024         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
8025
8026 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8027
8028         PR c++/17947
8029         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
8030         the name of the declared identifier.
8031
8032 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8033
8034         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
8035         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
8036         duplicate evaluation.
8037
8038 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8039
8040         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
8041         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
8042         to XFMode, use acosxf2 and truncate result to requested mode.
8043         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8044         (asin<mode>2): Similarly, with asin expanders.
8045         (*fscalexf4_i387): Rename from *fscalexf4.
8046         (expNcorexf3): New expander.
8047         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
8048         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
8049         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
8050         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
8051         patterns for SSE math.
8052         (exp10<mode>2): Similarly, with exp10 expanders.
8053         (exp2<mode>2): Similarly, with exp2 expanders.
8054         (expm1<mode>2): Similarly, with expm1 expanders.
8055         (ldexp<mode>3): Similarly, with ldexp expanders.
8056         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
8057         Use gen_truncxf<mode>2_i387_noop to truncate result.
8058
8059 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8060
8061         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
8062         for ColdFire targets.
8063
8064 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
8065             Richard Sandiford  <richard@codesourcery.com>
8066
8067         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
8068         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
8069         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
8070         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
8071         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8072         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8073
8074 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8075
8076         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
8077         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
8078         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
8079         (*adddi_dilshr32_cf): New pattern.
8080         (adddi3, subdi3): Remove first alternatives.
8081
8082 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8083
8084         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
8085         implemented using move.l, do not use its cc result for floating-point
8086         comparisons.
8087
8088 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8089
8090         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
8091         from accepting 's' constraints if flag_pic.
8092
8093 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8094
8095         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
8096         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
8097         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
8098         condition from TARGET_68881 to TARGET_HARD_FLOAT.
8099
8100 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8101
8102         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
8103         ColdFire alternatives.
8104         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
8105         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
8106         architectures that support ff1 instruction.
8107
8108 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8109             Julian Brown  <julian@codesourcery.com>
8110
8111         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
8112         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
8113         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
8114         Add commentary.
8115
8116 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8117
8118         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
8119         and return a bool.
8120         (output_move_const_into_data_reg, output_move_simode_const): Delete.
8121         * config/m68k/m68k.c (const_method, const_int_cost): Take a
8122         HOST_WIDE_INT instead of an rtx.
8123         (m68k_rtx_costs): Update call accordingly.
8124         (output_move_const_into_data_reg): Likewise.  Fix formatting.
8125         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
8126         Return a bool.
8127         (output_move_simode_const): Update calls after above changes.
8128         Rework to use automatic variables and predicates like MEM_P.
8129         * config/m68k/m68k.md (pushexthisi_const): Update call to
8130         valid_mov3q_const.
8131
8132 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8133
8134         * tree-ssa-alias.c (perform_var_substitution): Fix typo
8135         in dump_flags test.
8136
8137 2007-01-19  Richard Guenther  <rguenther@suse.de>
8138
8139         * builtins.c (expand_builtin_cexpi): Fall back to expanding
8140         via cexp in case sincos is not available.
8141
8142 2007-01-19  Richard Guenther  <rguenther@suse.de>
8143
8144         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
8145         * defaults.h (TARGET_HAS_SINCOS): Default to off.
8146         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
8147         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
8148         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
8149         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
8150         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
8151         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
8152
8153 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8154
8155         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
8156         New insn patterns.
8157         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
8158         (atan2xf3): Directly generate RTL pattern.
8159         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
8160         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8161         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8162         disable patterns for SSE math.
8163         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
8164         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8165         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8166         disable patterns for SSE math.
8167
8168 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
8169
8170         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
8171
8172 2007-01-18  Roger Sayle  <roger@eyesopen.com>
8173
8174         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
8175         VIEW_CONVERT_EXPR to the same type as it's operand.
8176
8177 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
8178
8179         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
8180         configured for long double 128.
8181
8182 2007-01-18  Mike Stump  <mrs@apple.com>
8183
8184         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
8185         error.
8186
8187 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
8188
8189         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
8190         type correct.
8191
8192 2007-01-18  Jan Hubicka  <jh@suse.cz>
8193
8194         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
8195         greater than NUM_VOP_FREE_BUCKETS.
8196
8197 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
8198
8199         * tree-ssa-structalias.c: Update comments.
8200         (ptabitmap_obstack): Removed.
8201         (pta_obstack): New.
8202         (oldpta_obstack): Ditto.
8203         (stats): Add a few members.
8204         (struct variable_info): Remove node, complex, address_taken, and
8205         indirect_target members. Add oldsolution member.
8206         (new_var_info): Do not initialize removed members.
8207         (constraint_expr_type): Remove INCLUDES.
8208         (constraint_graph): Add size, implicit_preds, rep,
8209         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
8210         (FIRST_REF_NODE): New macro.
8211         (LAST_REF_NODE): Ditto.
8212         (FIRST_ADDR_NODE): Ditto.
8213         (find): New function.
8214         (unite): Ditto.
8215         (dump_constraint): Do not handle INCLUDES.
8216         (insert_into_complex): Do not insert duplicate constraints.
8217         (condense_varmap_nodes): Renamed and rewritten into ...
8218         (merge_node_constraints): This. Also fix bug in handling of
8219         offseted copy constraints.
8220         (clear_edges_for_node): No longer need to deal with preds at all,
8221         or removing associated preds/succs.
8222         (merge_graph_nodes): Deal with indirect_cycles.
8223         Don't deal with predecessors.
8224         (add_implicit_graph_edge): New function.
8225         (add_pred_graph_edge): Ditto.
8226         (add_graph_edge): Don't deal with predecessors.
8227         (build_constraint_graph): Removed.
8228         (build_pred_graph): New function.
8229         (build_succ_graph): Ditto.
8230         (struct scc_info): Removed in_component. Added roots, dfs, and
8231         node_mapping. Remove visited_index, unification_queue.
8232         (scc_visit): Deal with union-find we do now.
8233         Deal with cycles with REF nodes.
8234         (collapse_nodes): Renamed and rewritten to ...
8235         (unify_nodes): This.
8236         (process_unification_queue): Removed.
8237         (topo_visit): Cleanup
8238         (do_da_constraint): Use find.
8239         (do_sd_constraint): Ditto.
8240         (do_ds_constraint): Ditto.
8241         (do_complex_constraint): Ditto.
8242         (init_scc_info): Update for removed and added members.
8243         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
8244         (find_indirect_cycles): This.
8245         (equivalence_class): New variable.
8246         (label_visit): New function.
8247         (perform_variable_substitution): Rewritten.
8248         (free_var_substitution_info): New function.
8249         (find_equivalent_node): Ditto.
8250         (move_complex_constraints): Ditto.
8251         (eliminate_indirect_cycles): Ditto.
8252         (solve_graph): Only propagate changed bits.
8253         Use indirect cycle elimination.
8254         Use find.
8255         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
8256         (tree_id_eq): Renamed to ...
8257         (tree_vi_eq): This. Update for member change
8258         (insert_id_for_tree): Renamed and rewritten to ...
8259         (insert_vi_for_tree): This.
8260         (lookup_id_for_tree): Renamed and rewritten to ...
8261         (lookup_vi_for_tree): This.
8262         (get_id_for_tree): Renamed and rewritten to ...
8263         (get_vi_for_tree): Ditto.
8264         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
8265         (process_constraint): Don't handle INCLUDES.
8266         Remove special ADDRESSOF case.
8267         (find_func_aliases): Rewrite to use vi functions instead of id
8268         ones.
8269         (create_function_info_for): Ditto.
8270         (create_variable_info_for): Ditto.
8271         (intra_create_variable_infos): Ditto.
8272         (merge_smts_into): Ditto.
8273         (find_what_p_points_to): Ditto.
8274         (init_base_vars): Ditto.
8275         (init_alias_vars): Ditto.
8276         (remove_preds_and_fake_succs): New function.
8277         (dump_sa_points_to_info): Dump new stats.
8278         (dump_solution_for_var): Use find.
8279         (set_used_smts): Fix formatting.
8280         (compute_points_to_sets): Updated for new functions.
8281         (ipa_pta_execute): Ditto.
8282
8283 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8284             Richard Sandiford  <richard@codesourcery.com>
8285
8286         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
8287         parallels.
8288         * calls.c (expand_call): If the return value is a PARALLEL,
8289         extract its first member.
8290         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
8291         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8292         use FUNCTION_EXTRA_EPILOGUE.
8293         (m68k_function_value): Return a PARALLEL if the return value
8294         is of a pointer type.
8295         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
8296         (FUNCTION_EXTRA_EPILOGUE): Remove.
8297         * config/m68k/m68k.md (D0_REG): New constant.
8298
8299 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8300
8301         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8302         output a NOP for empty epilogues.
8303
8304 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8305
8306         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
8307         before function.  Extend register save check to include all
8308         registers, not just integer ones.
8309
8310 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8311
8312         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
8313         (m68k_use_return_insn): ...this.
8314         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
8315         * config/m68k/m68k.c (use_return_insn): Rename to...
8316         (m68k_use_return_insn): ...this.
8317         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
8318         of USE_RETURN_INSN.
8319
8320 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8321
8322         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
8323         nearest even, fix denormal rounding overflow.
8324
8325 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8326
8327         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
8328         f%$smove and f%$move.
8329         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
8330         (extendsfdf2_cf): Use fdmove instead of f%&move.
8331         (truncdfsf2_cf): Use fsmove instead of f%$smove.
8332         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
8333
8334 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8335
8336         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
8337         GPR<-GPR moves.
8338
8339 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8340
8341         * real.h (real_format): Add a canonical_nan_lsbs_set field.
8342         (coldfire_single_format): Declare.
8343         (coldfire_double_format): Likewise.
8344         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
8345         of qnan_msb_set to determine the lower bits of a canonical
8346         NaN significand.
8347         (encode_ieee_double): Likewise.
8348         (encode_ieee_quad): Likewise.
8349         (ieee_single_format): Initialize canonical_nan_lsbs_set.
8350         (mips_single_format): Likewise.
8351         (ieee_double_format): Likewise.
8352         (mips_double_format): Likewise.
8353         (ieee_extended_motorola_format): Likewise.
8354         (ieee_extended_intel_96_format): Likewise.
8355         (ieee_extended_intel_128_format): Likewise.
8356         (ieee_extended_intel_96_round_53_format): Likewise.
8357         (ibm_extended_format): Likewise.
8358         (mips_extended_format): Likewise.
8359         (ieee_quad_format): Likewise.
8360         (mips_quad_format): Likewise.
8361         (vax_f_format): Likewise.
8362         (vax_d_format): Likewise.
8363         (vax_g_format): Likewise.
8364         (i370_single_format): Likewise.
8365         (i370_double_format): Likewise.
8366         (decimal_single_format): Likewise.
8367         (decimal_double_format): Likewise.
8368         (decimal_quad_format): Likewise.
8369         (c4x_single_format): Likewise.
8370         (c4x_extended_format): Likewise.
8371         (real_internal_format): Likewise.
8372         (coldfire_single_format): New real_format.
8373         (coldfire_double_format): Likewise.
8374         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
8375         canonical_nan_lsbs_set.
8376         (pdp11_d_format): Likewise.
8377         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
8378         if TARGET_COLDFIRE_CPU.
8379
8380 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8381
8382         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
8383         (output_call, m68k_legitimize_call_address): Declare.
8384         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
8385         parenthesees.  Add support for a 'W' constraint.
8386         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
8387         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
8388         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
8389         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
8390         variables.
8391         (override_options): Initialize them.  Do not set flag_no_function_cse
8392         for TARGET_ID_SHARED_LIBRARY.
8393         (m68k_output_pic_call): Delete.
8394         (m68k_legitimize_call_address): New function.
8395         (print_operand): Remove the %o prefix.  Handle the %p prefix.
8396         (output_call): New function.
8397         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
8398         target address from the GOT if symbolic jumps are not allowed.
8399         * config/m68k/m68k.md (call, general_operand): Do not set
8400         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
8401         Merge separate flag_pic and !flag_pic define_insns into...
8402         (*call, *call_value): ...these new patterns.  Match the address
8403         rather than the containing MEM and require it to be a call_operand.
8404         Use output_call to generate the asm template.
8405         * config/m68k/predicates.md (const_call_operand): New predicate.
8406         (call_operand): Likewise.
8407
8408 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8409
8410         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
8411         (STACK_GROWS_DOWNWARD): Define to 1.
8412         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
8413         comments, emphasizing that these values are only defaults.
8414         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
8415         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
8416
8417 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8418
8419         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
8420
8421 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8422             Richard Sandiford  <richard@codesourcery.com>
8423
8424         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
8425         (FP_REGNO_P): New macros.
8426         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
8427         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
8428         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
8429         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
8430
8431 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8432
8433         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8434         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
8435         to $tmake_file.
8436         * config/m68k/t-floatlib: New file, extracting common code from...
8437         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
8438         * config/m68k/t-uclinux: Here.
8439         * config/m68k/fpgnulib.c: Do not compile extendeed precision
8440         routines on ColdFire targets.
8441
8442 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8443
8444         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8445         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
8446         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
8447         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
8448         explicitly set MOTOROLA to 1.
8449         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
8450
8451 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8452             Nathan Sidwell  <nathan@codesourcery.com>
8453
8454         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
8455         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
8456         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
8457         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
8458         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
8459         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
8460         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
8461         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
8462         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
8463         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8464         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
8465         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
8466         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
8467         (DBX_REGISTER_NUMBER): Delete.
8468         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
8469         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8470         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
8471
8472 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8473
8474         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
8475         * config/flat.h: New file.
8476         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
8477         OBJECT_FORMAT_FLAT.
8478         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
8479         indirect references for -msep-data or -mid-shared-library.
8480         Do not use PC-relative code addresses either.
8481         * config/m68k/m68k.c (override_options): Restrict -fPIC error
8482         to -mpcrel.
8483         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
8484         for shared libraries and crt1.o for executables.  Use crti.o and
8485         crtbegin.o.
8486         (ENDFILE_SPEC): Use crtend.o and crtn.o.
8487         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
8488         Do not add -elf2flt or -shared-lib-id options here.
8489         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
8490         Pass -shared-lib-id if -mid-shared-library, taking the library
8491         identifier from -mshared-library-id if given, otherwise
8492         defaulting to 0.
8493         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
8494         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
8495         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
8496         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
8497         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
8498         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
8499         and crtend.o.
8500         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
8501         jump sequence for ISA A and ISA A+.
8502         (PICJUMP): Likewise.
8503
8504 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8505
8506         * config.gcc (m68k-*-uclinux*): Base the port on the common
8507         and m68k GNU/Linux files rather than on the generic ELF ones.
8508         * config/m68k/uclinux.h (TARGET_VERSION): Override.
8509         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8510
8511 2007-01-18  Julian Brown  <julian@codesourcery.com>
8512             Richard Sandiford  <richard@codesourcery.com>
8513
8514         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
8515         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8516         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
8517         before redefining.
8518         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
8519         80 unconditionally.
8520         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8521
8522 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8523
8524         * doc/install.texi: Document m68k-uclinuxoldabi.
8525         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
8526         * config/m68k/uclinux-oldabi.h: New file, copied from
8527         config/m68k/uclinux.h.
8528
8529 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
8530
8531         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
8532         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
8533         (m32r_compute_frame_size): Use unsigned for regno.
8534         (m32r_reload_lr): Use gen_frame_mem.
8535         (pop): New.
8536         (m32r_output_function_epilogue): Don't output the function epilogue
8537         textually here.
8538         (m32r_expand_epilogue): New.
8539         (direct_return): Return false if the function has the interrupt
8540         attribute.
8541         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
8542         * config/m32r/m32r.md (epilogue): New expander.
8543         (return_lr, return_rte): New insns.
8544         (return): Make it expander.
8545         (return_normal): New expander.
8546
8547 2007-01-18  Josh Conner  <jconner@apple.com>
8548
8549         PR target/30485
8550         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
8551         support for UNLE, UNLT, UNGE, and UNGT.
8552
8553 2007-01-18  Jan Hubicka  <jh@suse.cz>
8554
8555         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
8556         * tree-tailcall (add_virtual_phis): Likewise.
8557         (optimize_tail_call): Return TODOs.
8558         (execute_tail_calls): Return TODOs.
8559         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
8560         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
8561         changed.
8562         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8563         Cleanup cfg using TODO.
8564         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
8565         * passes.c (execute_function_todo): When cleanup did something, remove
8566         unused locals.
8567         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
8568         (make_edges): Don't cleanup_cfg.
8569
8570 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
8571
8572         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
8573         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
8574         operate on the top of stack.
8575         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
8576         register handling of instructions that output to the second
8577         stack slot.
8578         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
8579         (move_for_stack_reg): Special-case check for dead destination
8580         stack slot for constant load of 1.0 inside UNSPEC_TAN.
8581
8582         * config/i386/i386.md (UNSPEC_TAN): New constant.
8583         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
8584         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
8585         to correctly model move of constant 1.0 to top stack slot.
8586         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
8587         (unnamed peephole2 pattern): Remove corresponding peephole2
8588         pattern that optimizes tan insn and loading of constant 1.0.
8589         (tanxf2): Use fptanxf4_i387.
8590         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
8591         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
8592         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8593         disable patterns for SSE math.
8594         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
8595         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
8596
8597 2007-01-18  Dirk Mueller  <dmueller@suse.de>
8598             Richard Guenther <rguenther@suse.de>
8599
8600         PR diagnostic/8268
8601         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
8602         * common.opt (Warray-bounds): Add new warning option.
8603         * c-opts.c (c_common_handle_option): Define -Warray-bounds
8604         if -Wall is given.
8605         * Makefile.in: make tree-vrp.o depend on toplev.h
8606         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
8607         is enabled.
8608         (check_array_refs, check_array_bounds, check_array_ref): New.
8609
8610 2007-01-18  Jan Hubicka  <jh@suse.cz>
8611
8612         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
8613         (execute_ssa_ccp): Return flags conditionally.
8614         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
8615         changed.
8616         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
8617
8618 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
8619
8620         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
8621         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
8622
8623         * Makefile.c (GTFILES): Add cfglayout.h.
8624         * gengtype.c (open_base_files): Likewise.
8625         * cfglayout.c (cfg_layout_function_footer,
8626         cfg_layout_function_header) Reindent to make gengtype happy.
8627         * cfglayout.h (cfg_layout_function_footer,
8628         cfg_layout_function_header): Add GTY(()) marker.
8629
8630         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
8631
8632 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8633
8634         * genautomata.c (write_automata): Include xstrerror output in the
8635         error message if writing the DFA description file fails.
8636
8637 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
8638
8639         * config/mips/mips-protos.h (mips_output_external): Make it
8640         return void.
8641         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
8642         * config/mips/mips.c (irix_output_external_libcall): Likewise.
8643         (extern_list): Likewise.
8644         (extern_head): Likewise.
8645         (TARGET_ASM_FILE_END): Likewise.
8646         (mips_file_end): Likewise.
8647         (mips_output_external): Rewritten.
8648
8649 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8650
8651         * genpreds.c (write_insn_preds_c): Only write out the function
8652         body for regclass_for_constraint if we have register constraints.
8653
8654 2007-01-17  Tom Tromey  <tromey@redhat.com>
8655
8656         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
8657         * doc/install.texi (Testing): Use sourceware.org.
8658         (Binaries): Likewise.
8659         (Specific): Likewise.
8660         * doc/contrib.texi (Contributors): Use sourceware.org.
8661
8662 2007-01-17  Anatoly Sokolov <aesok@post.ru>
8663
8664         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
8665         (AVR_ENHANCED): Rename to ...
8666         (AVR_HAVE_MUL): ... new.
8667         (avr_enhanced_p): Rename to ...
8668         (avr_have_mul_p): ... new.
8669         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
8670         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
8671         * config/avr/avr.c (avr_enhanced_p): Rename to ...
8672         (avr_have_mul_p): ... new.
8673         (base_arch_s): Rename 'enhanced' to 'have_mul'.
8674         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
8675         'avr_enhanced_p' and 'enhanced'.
8676         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
8677         AVR_HAVE_MUL instead of AVR_ENHANCED.
8678         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8679         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
8680         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
8681         instead of AVR_ENHANCED.
8682         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8683         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
8684         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
8685
8686 2007-01-17  Ian Lance Taylor  <iant@google.com>
8687
8688         * vec.h (VEC_reserve_exact): Define.
8689         (vec_gc_p_reserve_exact): Declare.
8690         (vec_gc_o_reserve_exact): Declare.
8691         (vec_heap_p_reserve_exact): Declare.
8692         (vec_heap_o_reserve_exact): Declare.
8693         (VEC_OP (T,A,reserve_exact)): New static inline function, three
8694         versions.
8695         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
8696         negative parameter.
8697         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
8698         (VEC_OP (T,A,copy)) [all versions]: Likewise.
8699         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
8700         * vec.c (calculate_allocation): Add exact parameter.  Change all
8701         callers.
8702         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
8703         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
8704         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
8705         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
8706         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
8707         (vec_heap_p_reserve_exact): New function.
8708         (vec_heap_o_reserve_exact): New function.
8709
8710 2007-01-17  Jan Hubicka  <jh@suse.cz>
8711
8712         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
8713
8714 2007-01-17  Eric Christopher  <echristo@apple.com>
8715
8716         * config.gcc: Support core2 processor.
8717
8718 2007-01-16  Jan Hubicka  <jh@suse.cz>
8719
8720         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
8721         the names, just unlink the chain so we don't crash on dangling pointers
8722         to dead SSA names.
8723
8724 2007-01-16  Jan Hubicka  <jh@suse.cz>
8725
8726         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
8727         * tree-pass.h: Reorder to make IPA passes appear toegher.
8728         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
8729         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
8730         parameters, do not call early inliner.
8731         * ipa-inline.c: Update comments.  Include tree-flow.h
8732         (cgraph_decide_inlining): Do not compute inlining parameters.
8733         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
8734         be called with function context set up.
8735         (pass_ipa_inline): Remove unreachable functions before pass.
8736         (cgraph_early_inlining): Simplify assuming to be called from the
8737         PM as local pass.
8738         (pass_early_inline): New pass.
8739         (cgraph_gate_ipa_early_inlining): New gate.
8740         (pass_ipa_early_inline): Turn into simple wrapper.
8741         (compute_inline_parameters): New function.
8742         (gate_inline_passes): New gate.
8743         (pass_inline_parameters): New pass.
8744         (apply_inline): Move here from tree-optimize.c
8745         (pass_apply_inline): New pass.
8746         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
8747         transforming.
8748         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
8749         doing them by hand.
8750         (tree_function_versioning): Do not allocate dummy struct function.
8751         * tree-inline.h (optimize_inline_calls): Update prototype.
8752         * tree-optimize.c (execute_fixup_cfg): Export.
8753         (pass_fixup_cfg): Remove
8754         (tree_rest_of_compilation): Do not apply inlines.
8755         * tree-flow.h (execute_fixup_cfg): Declare.
8756         * Makefile.in (gt-passes.c): New.
8757         * passes.c: Include gt-passes.h
8758         (init_optimization_passes): New passes.
8759         (nnodes, order): New static vars.
8760         (do_per_function_toporder): New function.
8761         (execute_one_pass): Dump current pass here.
8762         (execute_ipa_pass_list): Don't dump current pass here.
8763
8764 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
8765
8766         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
8767         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
8768
8769 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
8770
8771         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
8772         (strong_alias): Define.
8773         (__gcc_qmul): Provide non-FMA for soft-float.
8774         (__gcc_qdiv): Same.
8775         (__gcc_qneg): New.
8776         (__gcc_qeq): New.
8777         (__gcc_qle): New.
8778         (__gcc_qge): New.
8779         (__gcc_qunord): New.
8780         (__gcc_stoq): New.
8781         (__gcc_dtoq): New.
8782         (__gcc_qtos): New.
8783         (__gcc_qtod): New.
8784         (__gcc_qtoi): New.
8785         (__gcc_qtou): New.
8786         (__gcc_itoq): New.
8787         (__gcc_utoq): New.
8788         (fmsub): New.
8789         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
8790         soft-float functions.
8791         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
8792         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
8793         about long double soft float.
8794
8795 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
8796             Tehila Meyzels  <tehila@il.ibm.com>
8797
8798         * tree-vectorizer.h (is_pattern_stmt_p): New.
8799         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
8800         formatting (tabs instead of spaces). Cleanup and clarify setting
8801         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
8802         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
8803         (vectorizable_type_demotion): Check that types are integral.
8804         (vectorizable_type_promotion): Likewise.
8805         (vectorizable_store): Fix typo.  Eliminate new-line at end of
8806         comments.
8807
8808 2007-01-16  Jan Hubicka  <jh@suse.cz>
8809
8810         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
8811         cgraph edges too.
8812
8813 2007-01-15  Eric Christopher  <echristo@apple.com>
8814
8815         * ifcvt.c: Include vec.h, vecprim.h.
8816         (check_cond_move_block): New argument regs.
8817         Reorganize. Add registers used to regs.
8818         (cond_move_process_if_block): Use regs set above as
8819         loop bounds.
8820
8821 2007-01-15  Eric Christopher  <echristo@apple.com>
8822
8823         * config/darwin.h: Update copyright.
8824         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
8825         (LINK_COMMAND_SPEC): Add -u.
8826         (LINK_SPEC): Fix umbrella for above.
8827
8828 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
8829
8830         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
8831         glibc CVS.
8832
8833 2007-01-15  Tom Tromey  <tromey@redhat.com>
8834
8835         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
8836         * doc/install.texi (Testing): Don't mention jacks.
8837         (Configuration): Document --enable-java-maintainer-mode.  Move
8838         --with-java-home to libgcj-specific section.  Document
8839         --with-ecj-jar.
8840         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
8841
8842 2007-01-15  Jan Hubicka  <jh@suse.cz>
8843
8844         * tree-ssa-dce.c (DCE_TODOs): New.
8845         (propagate_necessity): Return if something changed.
8846         (eliminate_unnecessary_stmts): Likewise.
8847         (perform_tree_ssa_dce): Return TODO flags when needed.
8848         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
8849
8850 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
8851
8852         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
8853         (fyl2x_extend<mode>xf3_i387): New insn pattern.
8854         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
8855         patterns using X87MODEF12 mode macro.  Extend operand 1
8856         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8857         (log10<mode>2): Ditto.
8858         (log2<mode>2): Ditto.
8859         (log1p<mode>2): Ditto.
8860         (logb<mode>2): Ditto.
8861         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
8862         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
8863         (*fxtractxf3_i387): Rename from *fxtractxf3.
8864         (fxtract_extend<mode>xf3_i387): New insn pattern.
8865         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
8866         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
8867         and gen_fyl2xxf3_i387().
8868
8869 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
8870
8871         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
8872         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
8873         get_loop_exit_edges.  Changed return type to bool.
8874         * cfgloop.h (fix_loop_placement): Declaration removed.
8875
8876 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
8877
8878         * param.h (MIN_VECT_LOOP_BOUND): New.
8879         * params.def (MIN_VECT_LOOP_BOUND): New.
8880         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
8881         argument - minimum threshold for number of iterations.
8882         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
8883         argument to declaration.
8884         * tree-vect-analyze.c (vect_analyze_operations): Check value of
8885         MIN_VECT_LOOP_BOUND.
8886         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
8887         slpeel_tree_peel_loop_to_edge with additional argument.
8888         (vect_do_peeling_for_alignment): Likewise.
8889         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
8890
8891 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
8892
8893         PR target/30413
8894         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
8895         operands of size 1.
8896
8897 2007-01-14  Jan Hubicka  <jh@suse.cz>
8898
8899         * tree-dfa.c (remove_referenced_var): New function.
8900         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
8901         prune referenced vars list too.
8902         * tree-flow.h (remove_referenced_var): Declare.
8903
8904 2007-01-14  Jan Hubicka  <jh@suse.cz>
8905
8906         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
8907         separately.
8908         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
8909         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
8910         * except.h (verify_eh_throw_table_statements): Kill prototype.
8911         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
8912         into call exrepssions.
8913         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
8914         eh trhow verifier.
8915         * tree-cfg.c: Include pointer-set.h.
8916         (verify_node_sharing): Work on pointer set.
8917         (verify_eh_throw_stmt_node): New.
8918         (verify_stmts): Use pointers sets, verify throw_stmt.
8919
8920 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
8921
8922         * ipa-reference.c (analyze_function): Consider also addresses taken
8923         in phi nodes.
8924
8925 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8926
8927         * c-typeck.c (null_pointer_constant_p): Replace use of
8928         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8929         (build_c_cast): Likewise.
8930
8931 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8932
8933         * tree.h (force_fit_type_double): Remove unused final argument.
8934         * c-common.c (constant_expression_warning): Replace use of
8935         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8936         (convert_and_check): Likewise.
8937         (shorten_compare): Update call to force_fit_type_double.
8938         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
8939         * convert.c (convert_to_pointer): Update call to
8940         force_fit_type_double.
8941         * fold-const.c (force_fit_type_double): Remove overflowed_const
8942         argument.
8943         (int_const_binop, fold_convert_const_int_from_int,
8944         fold_convert_const_int_from_real, fold_div_compare,
8945         fold_sign_changed_comparison, fold_unary, fold_negate_const,
8946         fold_abs_const, fold_not_const): Remove the final argument from
8947         calls to force_fit_type_double.
8948
8949 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8950
8951         * configure.ac: Set insn to "nop" for spu-*-* also.
8952         * configure: Regenerate.
8953
8954 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
8955
8956         * builtins.def : Add BUILT_IN_FREE.
8957
8958 2007-01-12  Jan Hubicka  <jh@suse.cz>
8959
8960         PR tree-optimization/30443
8961         * tree-inline.c (tree_function_versioning): Do not optimize when
8962         cloning for inlining.
8963
8964 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
8965
8966         * doc/loop.texi: Document recording of loop exits.
8967         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
8968         (update_single_exits_after_duplication,
8969         update_single_exit_for_duplicated_loop,
8970         update_single_exit_for_duplicated_loops): Removed.
8971         (duplicate_loop_to_header_edge): Do not call
8972         update_single_exits_after_duplication and
8973         update_single_exit_for_duplicated_loops.
8974         (loop_version): Do not update single_exit information.
8975         (fix_loop_structure): Use record_loop_exits instead of
8976         mark_single_exit_loops.
8977         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
8978         the lists of loop exits.
8979         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
8980         split_edge, merge_blocks): Update the lists of loop exits.
8981         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
8982         loop_optimizer_init.
8983         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
8984         of mark_single_exit_loops.
8985         (loop_optimizer_finalize): Call release_recorded_exits.
8986         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
8987         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
8988         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
8989         update single exit information.
8990         * lambda-code.c (perfect_nestify): Ditto.
8991         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
8992         (mark_single_exit_loops): Removed.
8993         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
8994         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
8995         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
8996         functions.
8997         (get_loop_exit_edges, single_exit): Use recorded exit lists.
8998         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
8999         (verify_loop_structure): Verify consistency of the exit lists.
9000         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9001         (set_single_exit): Removed.
9002         * cfgloop.h (struct loop_exit): New function.
9003         (struct loop): single_exit_ field replaced by exits field.
9004         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9005         (struct loops): Added exits hash.
9006         (mark_single_exit_loops, set_single_exit): Declaration removed.
9007         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9008
9009 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9010
9011         * doc/invoke.texi: Avoid use of @headitem.
9012
9013 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9014
9015         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9016
9017 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9018
9019         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9020         list of targets.
9021
9022 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9023             Richard Sandiford  <richard@codesourcery.com>
9024
9025         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
9026         * config/m68k/m68k.opt: Resort options.
9027         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
9028
9029 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9030             Richard Sandiford  <richard@codesourcery.com>
9031
9032         * doc/invoke.texi: Document the macros that are defined by
9033         m68k's -mtune and -mhard-float options.
9034         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
9035         (m68k_cpp_cpu_family): Likewise.
9036         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
9037         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
9038         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
9039         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
9040         (m68k_cpp_cpu_family): Likewise.
9041
9042 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9043
9044         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
9045         macros besides mc68000 as tuning macros.  Use a switch statement
9046         to set them and mcpu32.
9047
9048 2007-01-12  Julian Brown  <julian@codesourcery.com>
9049
9050         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
9051         (TARGET_68040_ONLY): Rename to...
9052         (TARGET_68040): ...this.
9053         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
9054         * config/m68k/m68k.md: Likewise.
9055
9056 2007-01-12  Julian Brown  <julian@codesourcery.com>
9057             Nathan Sidwell  <nathan@codesourcery.com>
9058             Richard Sandiford  <richard@codesourcery.com>
9059
9060         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
9061         the -mcpu= argument associated with the --with-cpu setting.
9062         Define M68K_DEFAULT_TUNE to the default -mtune= option,
9063         if different from the one implied by the -mcpu setting.
9064         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
9065         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
9066         * doc/invoke.texi: Mention ColdFire in the introduction to the
9067         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
9068         -mno-div and -mhard-float options.  Make -m68881 a synonym for
9069         -mhard-float.  Document the previously-undocumented -m5206e,
9070         -m528x, -m5307 and -m5407 options.  Tweak the existing option
9071         documentation for consistency.
9072         * doc/install.texi: Mention new --with-cpu arguments.
9073         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
9074         default CPU if neither -mcpu nor -march are specified.
9075         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
9076         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
9077         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
9078         using m68k_tune to decide between families that implement the
9079         same ISA.  Use m68k_tune to set __mcfv4e__.
9080         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
9081         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
9082         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
9083         (FL_ISA_C, FL_ISA_MMU): New macros.
9084         (MASK_COLDFIRE): Delete.
9085         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
9086         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
9087         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
9088         (TARGET_HARD_FLOAT): Do not define here.
9089         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
9090         (TUNE_68000): New macro.
9091         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
9092         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
9093         (TUNE_CFV2): Redefine in terms of m68k_tune.
9094         (uarch_type, target_device, fpu_type): New enums.
9095         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
9096         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
9097         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
9098         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
9099         (FL_FOR_isa_c): New macros.
9100         (m68k_isa): New enum.
9101         (m68k_target_selection): New structure.
9102         (all_devices, all_isas, all_microarchs): New tables.
9103         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
9104         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
9105         (MASK_ALL_CPU_BITS): Delete.
9106         (m68k_find_selection): New function.
9107         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
9108         Map the legacy target options to a combination of the new ones.
9109         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
9110         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
9111         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
9112         settings.
9113         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
9114         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
9115         properties.
9116         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
9117         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
9118         * config/m68k/m68k-devices.def: New file.
9119
9120 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9121             Nathan Sidwell  <nathan@codesourcery.com>
9122
9123         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
9124         (SUBTARGET_EXTRA_SPECS): New macros.
9125         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
9126         use %(asm_cpu_spec) instead.
9127         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
9128         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
9129         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
9130         (EXTRA_SPECS): Rename to...
9131         (SUBTARGET_EXTRA_SPECS): ...this.
9132
9133 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9134             Richard Sandiford  <richard@codesourcery.com>
9135             Julian Brown  <julian@codesourcery.com>
9136
9137         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9138         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
9139         to the configuration's default CPU.
9140         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
9141         Remove default masks.
9142         (m680[012]0-*-*): Set the default with_cpu to the first part of
9143         the target name.
9144         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
9145         (m68k*-*-linux): Extend the --with-cpu handling to...
9146         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
9147         and m68010.  Don't set target_cpu_default2.
9148         * doc/install.texi: Document --with-cpu for m68k.
9149         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
9150         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
9151         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
9152         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
9153         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
9154         (ASM_SPEC): Remove use of %(asm_cpu_default).
9155         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
9156         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
9157         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
9158         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
9159         __HAVE_FPU__ if TARGET_HARD_FLOAT.
9160         (TARGET_DEFAULT): Delete.
9161         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
9162         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
9163         (CPP_CPU_SPEC): Delete.
9164         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
9165         the appropriate string.
9166         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
9167         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
9168         (ASM_SPEC): Don't use %(asm_default_spec).
9169         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9170         TARGET_DEFAULT and add MASK_68881.
9171         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
9172
9173 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9174
9175         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
9176         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
9177         MASK_68010 alongside MASK_68020.
9178         * doc/invoke.texi: Document -m68010.
9179         * config/m68k/m68k.opt (m68010): New.
9180         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9181         if TUNE_68010.
9182         (TUNE_68010): New macro.
9183         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
9184         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
9185         (M68K_CPU_m68332): Add MASK_68010.
9186         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
9187         fallback definition.
9188         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
9189         defines.
9190         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
9191         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
9192         to all entries that use MASK_68020.
9193         (output_move_simode_const, output_move_himode, output_move_qimode)
9194         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
9195         instead of TARGET_68020 to select clr behavior.  Remove comment
9196         about there being no TARGET_68010.
9197         * config/m68k/m68k.md: Likewise throughout.
9198
9199 2007-01-12  Julian Brown  <julian@codesourcery.com>
9200
9201         * config/m68k/m68k.h (TARGET_ISAB): New macro.
9202         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
9203         * config/m68k/m68k.md: Likewise.
9204
9205 2007-01-12  Julian Brown  <julian@codesourcery.com>
9206
9207         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
9208         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
9209
9210 2007-01-12  Julian Brown  <julian@codesourcery.com>
9211
9212         * config/m68k/m68k.h (TUNE_68040_60): New macro.
9213         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
9214         * config/m68k/m68k.md: Likewise.
9215
9216 2007-01-12  Julian Brown  <julian@codesourcery.com>
9217             Richard Sandiford  <richard@codesourcery.com>
9218
9219         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
9220         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
9221         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
9222         TARGET_CPU32.
9223         (TARGET_CPU32): Rename to...
9224         (TUNE_CPU32): ...this.
9225         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
9226         (TUNE_CFV2): New macros.
9227         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
9228         remove conditions that are implied by TARGET_68020.
9229         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
9230         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
9231         (m68k_output_function_epilogue): Likewise.
9232         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
9233         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
9234         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
9235         non-68000 timings.  Refactor multiplication and division costs.
9236         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
9237         TUNE_CPU32 instead of TARGET_CPU32.
9238         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
9239         and TUNE_68060 instead of TARGET_68060.
9240         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
9241         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
9242         TARGET_CPU32.
9243         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
9244         && !TARGET_COLDFIRE" to choose between moveq and clr.
9245         Likewise in the unnamed movsf pattern.
9246         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
9247         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
9248         ashiftrt pattern.
9249
9250 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9251
9252         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
9253         of tabbing before backslashes.
9254
9255 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9256
9257         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
9258         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
9259         (ASM_OUTPUT_INTERNAL_LABEL): Define.
9260
9261 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9262
9263         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
9264         find_interesting_uses_cond.
9265         (find_interesting_uses_cond): Use extract_cond_operands.
9266         (rewrite_use_compare): Use extract_cond_operands and
9267         force_gimple_operand_bsi.  Do not call update_stmt.
9268         (determine_use_iv_cost_condition): Use extract_cond_operands.
9269         Return cheaper of using original bound and changing the exit bound.
9270
9271 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9272
9273         PR tree-optimization/29516
9274         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
9275         most_expensive_mult_to_index, addr_to_parts,
9276         create_mem_ref, maybe_fold_tmr): Make the type of
9277         fields of TARGET_MEM_REF sizetype.
9278         (move_fixed_address_to_symbol, move_pointer_to_base):
9279         New functions.
9280         * tree.def (TARGET_MEM_REF): Add comment on types of
9281         the operands.
9282
9283 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
9284
9285         * c-common.c (vector_types_convertible_p): Treat opaque types as
9286         always convertible if they have the same size, but not otherwise.
9287
9288 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
9289
9290         * ifcvt.c (struct noce_if_info): Add comments to the fields.
9291         Remove the b_unconditional field.
9292         (noce_try_sign_mask): Do not look at b_unconditional.
9293         (noce_process_if_block): Do not use merge_if_blocks.  Update
9294         the CFG here.  Do not set b_unconditional.
9295         (cond_move_process_if_block): Likewise.
9296         (find_cond_trap): Likewise.
9297         (check_cond_move_block): Require simple jump insns at the end
9298         of the basic block.
9299
9300 2007-01-11  Jan Hubicka  <jh@suse.cz>
9301
9302         PR tree-optimization/1046
9303         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
9304         when alias info is not ready.
9305         (pass_tail_recursion): Do not require aliasing.
9306         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
9307         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
9308         * tree-ssa-copy.c (pass_copy_prop): Likewise.
9309         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9310         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
9311         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
9312         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
9313         before inlining.
9314         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
9315         When aliasing is not build, mark statement as volatile.
9316
9317 2007-01-11  Tom Tromey  <tromey@redhat.com>
9318
9319         PR preprocessor/15185, PR preprocessor/20989:
9320         * doc/cppopts.texi <-MT>: Update description of algorithm for
9321         computing default target.
9322         <-M, -MD>: Reword "basename" text.
9323
9324 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9325
9326         * builtins.c (expand_builtin_pow, expand_builtin_powi,
9327         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
9328         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9329         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
9330         fold_builtin_bswap, real_constp, fold_builtin_pow,
9331         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
9332         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
9333         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9334         * convert.c (convert_to_pointer): Likewise.
9335         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
9336         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
9337         const_binop, fold_convert_const_int_from_int,
9338         fold_convert_const_int_from_real,
9339         fold_convert_const_real_from_real, sign_bit_p,
9340         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
9341         fold_sign_changed_comparison, fold_unary, fold_comparison,
9342         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
9343         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
9344         * print-tree.c (print_node_brief, print_node): Likewise.
9345         * stor-layout.c (place_field, layout_type): Likewise.
9346         * tree-chrec.c (keep_cast): Likewise.
9347         * tree.c (build_vector, build_real, build_real_from_int_cst,
9348         build_complex): Likewise.
9349
9350 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9351
9352         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
9353         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
9354
9355 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
9356
9357         * configure.ac (strict1_warn): Rename to strict_warn.
9358         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
9359         cc_set_by_configure, quoted_cc_set_by_configure,
9360         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
9361         all_boot_languages, all_stagestuff): Remove.
9362         (target_list): Remove bootstrap targets.
9363         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
9364         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
9365         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
9366         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
9367         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
9368         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
9369         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
9370         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
9371         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
9372         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
9373         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
9374         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
9375         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
9376         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
9377         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
9378         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
9379         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
9380         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
9381         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
9382         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
9383         (mostlyclean): Adjust.
9384         (clean, distclean): Don't mention bootstrap stuff.
9385         * configure: Regenerate.
9386         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
9387         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
9388         treelang/config-lang.in (stagestuff): Remove.
9389         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
9390         stageprofile, stagefeedback, stagestuff): Remove mention.
9391
9392 2007-01-11  Nick Clifton  <nickc@redhat.com>
9393
9394         * config/mcore/predicates.md (mcore_general_movesrc_operand):
9395         Accept CONSTs.
9396         (mcore_general_movdst_operand): Do not accept CONST_INTs.
9397         (mcore_arith_K_S_operand): Run the test for the S constraint not
9398         the test for the M constraint.
9399         (mcore_addsub_operand): Do not accept integer values that are
9400         larger than 32 bits.
9401         * config/mcore/mcore.md: Remove unused constraints from split.
9402         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
9403         (addsi3): Likewise.
9404         (allocate_stack): Likewise.
9405         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
9406         operands to 32 bits.
9407         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
9408         INTVAL.
9409         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
9410         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
9411         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
9412         mcore_output_bclri, mcore_output_andn, output_inline_const,
9413         mcore_output_move, mcore_output_movedouble): Likewise.
9414         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
9415         (output_inline_const): Likewise.
9416         (output_inline_const): Fix format strings used in sprintf
9417         statements.
9418         * config/mcore/mcore-protos.h: Update prototypes for changed
9419         functions in mcore.c.
9420         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
9421         HOST_WIDE_INT and not int.
9422         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
9423         CONST_OK_FOR_N): Likewise.
9424         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
9425         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
9426         an INTVAL.
9427
9428 2007-01-10  Jan Hubicka  <jh@suse.cz>
9429
9430         * tree-vrp.c (remove_range_assertions): Release defs.
9431         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
9432         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
9433
9434 2007-01-10  Paul Brook  <paul@codesourcery.com>
9435
9436         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
9437         * config/arm/arm.md (mulsi3subsi): New insn.
9438
9439 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
9440
9441         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
9442         (tree_transform_and_unroll_loop): New.
9443         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
9444         Declare.
9445
9446 2007-01-10  Robert Kennedy <jimbob@google.com>
9447
9448         * fold-const.c (fold_comparison): Fold comparisons like (x *
9449         1000 < 0) to (x < 0).
9450
9451 2007-01-10  Ian Lance Taylor  <iant@google.com>
9452
9453         * tree-pretty-print.c (dump_generic_node): Print parentheses when
9454         operands have the same priority.
9455
9456 2007-01-10  Tom Tromey  <tromey@redhat.com>
9457
9458         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
9459         (fold_binary): Likewise.
9460         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
9461         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
9462         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
9463         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
9464         * langhooks.h (struct lang_hooks): Removed field
9465         'can_use_bit_fields_p'.
9466
9467 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
9468
9469         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
9470
9471 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
9472
9473         * function.c (get_last_funcdef_no): New function.
9474         * function.h (get_last_funcdef_no): Declare.
9475         * tree-inline.c (initialize_cfun): Add initialization.
9476         (tree_function_versioning): Cleanup.
9477
9478 2007-01-10  Jan Hubicka  <jh@suse.cz>
9479
9480         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
9481         PHIs.
9482
9483 2007-01-10  Sa Liu  <saliu@de.ibm.com>
9484             Ben Elliston  <bje@au.ibm.com>
9485
9486         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
9487         for SAVE_NONLOCAL and Pmode for any other save level.
9488         * spu-protos.h (spu_restore_stack_block): Declare.
9489         * spu.md (save_stack_block): Remove.
9490         (restore_stack_block): Call spu_restore_stack_block.
9491         * spu.c (spu_restore_stack_block): New function.
9492         (spu_expand_epilogue): Remove old comment.
9493
9494 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
9495
9496         PR tree-optimization/30322
9497         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
9498         (cand_value_at): Return the value as aff_tree.
9499         (may_eliminate_iv): Convert the bound from aff_tree to tree.
9500         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
9501         aff_combination_mult): New functions.
9502         (aff_combination_add): Use aff_combination_add_cst.
9503         (aff_combination_convert): Allow conversions to a wider type.
9504         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
9505         * tree-affine.h (aff_combination_mult): Declare.
9506
9507 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
9508
9509         * doc/tm.texi: Update documentation to reflect reality of exec
9510         and start file search behaviours. Update copyright year.
9511         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
9512         header file directories.
9513
9514 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
9515
9516         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
9517         (*cosxf2): Rename to cosxf2_i387.
9518         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
9519         using X87MODEF12 mode macro. Rename patterns to
9520         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
9521         for SSE math.
9522         (*cosdf2, *cossf2): Ditto.
9523         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
9524         to match extended input operands.
9525         (sincos<mode>3): New expander.
9526         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
9527         insn patterns and corresponding splitters.
9528
9529 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
9530
9531         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
9532         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
9533
9534 2007-01-09  Nicolas Pitre  <nico@cam.org>
9535
9536         PR target/30173
9537         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
9538
9539 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9540
9541         * target.h (struct gcc_target): New field library_rtti_comdat.
9542         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
9543         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
9544         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
9545         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
9546
9547 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9548
9549         * doc/invoke.texi (Optimize Options): Correct description of -O0.
9550
9551 2007-01-08  Richard Guenther  <rguenther@suse.de>
9552
9553         * tree.h (force_fit_type_double): Export.
9554         (force_fit_type): Remove.
9555         * fold-const.c (force_fit_type_double): New function.
9556         (force_fit_type): Remove.
9557         (int_const_binop): Use it.
9558         (fold_convert_const_int_from_int): Likewise.
9559         (fold_convert_const_int_from_real): Likewise.
9560         (fold_div_compare): Likewise.
9561         (fold_sign_changed_comparison): Likewise.
9562         (fold_unary): Likewise.
9563         (fold_negate_const): Likewise.
9564         (fold_abs_const): Likewise.
9565         (fold_not_const): Likewise.
9566         * c-common.c (shorten_compare): Use force_fit_type_double.
9567         * convert.c (convert_to_pointer): Likewise.
9568
9569 2007-01-08  Richard Guenther  <rguenther@suse.de>
9570
9571         * tree.h (build_int_cst_wide_type): Export.
9572         * tree.c (build_int_cst_wide_type): New function.
9573         (build_int_cst_wide): Fix comment.
9574         * builtins.c (fold_builtin_object_size): Use build_int_cst
9575         to build -1 or 0 of the correct type.  Use fit_double_type
9576         to check for overflow.
9577         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
9578         to build the mask.
9579         (decode_field_reference): Likewise.
9580         (all_ones_mask_p): Likewise.
9581         (native_interpret_int): Use build_int_cst_wide_type.
9582         (fold_binary): Use build_int_cst_type to build an all-ones
9583         value.
9584         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
9585
9586 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
9587
9588         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
9589
9590 2007-01-09  Ben Elliston  <bje@au.ibm.com>
9591
9592         * genautomata.c (STATS_OPTION): New option.
9593         (stats_flag): New flag.
9594         (gen_automata_option): Handle it.
9595         (initiate_automaton_gen): Ditto.
9596         (write_automata): Output statistics only if stats_flag is
9597         set. Likewise, output time statistics only if time_flag is set.
9598         * doc/md.texi (Processor pipeline description): Document new flag.
9599
9600 2007-01-08  Richard Guenther  <rguenther@suse.de>
9601
9602         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
9603         * tree.c (build_int_cst_type): Likewise.
9604         (size_in_bytes): Don't call force_fit_type on the result.
9605         (int_fits_type_p): Use fit_double_type.
9606         * fold-const.c (fit_double_type): New function.
9607         (force_fit_type): Use it.
9608         * tree.h (fit_double_type): Export.
9609
9610 2007-01-08  Jan Hubicka  <jh@suse.cz>
9611
9612         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
9613         * ipa.c (function_and_variable_visibility): Fix return type.
9614
9615 2007-01-08  Richard Guenther  <rguenther@suse.de>
9616
9617         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
9618         of offset to build the index.
9619         * tree-pretty-print.c (dump_generic_node): Don't build negated
9620         const just for printing.
9621         * c-pretty-print.c (pp_c_integer_constant): Likewise.
9622         * builtins.c (fold_builtin_int_roundingfn): Check if result
9623         fits the type by using force_fit_type and comparing the result.
9624         * predict.c (predict_loops): Use compare_tree_int for comparison.
9625         * tree.c (build_int_cst): Fall back to integer_type_node for
9626         NULL_TREE type.
9627         (build_int_cst_wide): Assert type is non-null.
9628
9629 2007-01-08  Roberto Costa  <roberto.costa@st.com>
9630
9631         * tree-vrp.c (extract_range_from_cond_expr): New.
9632         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
9633         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
9634         as expressions.
9635         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
9636         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
9637         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
9638         used as expressions.
9639         * tree-object-size.c (cond_expr_object_size): New.
9640         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
9641
9642 2007-01-08  Jan Hubicka  <jh@suse.cz>
9643
9644         * tree-ssa-forwprop.c (forward_propagate_into_cond,
9645         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
9646         statement.
9647
9648 2007-01-08  Richard Guenther  <rguenther@suse.de>
9649
9650         PR tree-optimization/23603
9651         * tree-vrp.c (set_value_range_to_truthvalue): New function.
9652         (extract_range_from_binary): Fall back to truthvalue instead of
9653         varying for TRUTH_*_EXPR.
9654         (extract_range_from_comparison): Fall back to truthvalue instead of
9655         varying.
9656         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
9657         if all visited PHI values were constant.
9658
9659 2007-01-08  Jan Hubicka  <jh@suse.cz>
9660
9661         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
9662         (cgraph_analyze_function): break out from ...
9663         (cgraph_finalize_compilation_unit): ... here.
9664         (cgraph_expand_function): Remove forgoten commented out line.
9665         (cgraph_optimize): Analyze functions.
9666
9667 2007-01-08  Jan Hubicka  <jh@suse.cz>
9668
9669         * tree-pas.h (TODO_remove_function): New flag.
9670         (TODO_update*): Renumber.
9671         (pass_ipa_increase_alignment,
9672         pass_ipa_function_and_variable_visibility): New passes.
9673         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
9674         (cgraph_function_and_variable_visibility): Move to ipa.c
9675         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
9676         cgraph_increase_alignment.
9677         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
9678         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
9679         calling tree-inline.
9680         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
9681         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
9682         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
9683         (gate_increase_alignment): New function.
9684         (pass_ipa_increase_alignment): New pass.
9685         * ipa.c: Inline tree-pass.h and timevar.h
9686         (function_and_variable_visibility): Move here from cgraphunit.c
9687         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
9688         * passes.c (init_optimization_passes): Add the two new passes.
9689         (execute_todo): Handle cgraph_remove_functions.
9690
9691 2007-01-08  Nick Clifton  <nickc@redhat.com>
9692
9693         * config/frv/predicates.md (reg_or_0_operand): Accept
9694         CONST_DOUBLEs.
9695
9696 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
9697
9698         * config/bfin/rtems.h, config/bfin/t-rtems: New.
9699         * config.gcc: Add bfin*-rtems*.
9700
9701 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
9702
9703         * c.opt: Add -flax-vector-conversions.
9704         * c-typeck.c (convert_for_assignment): Pass flag to
9705         vector_types_convertible_p to allow emission of note.
9706         (digest_init): Likewise.
9707         * c-opts.c: Handle -flax-vector-conversions.
9708         * c-common.c (flag_lax_vector_conversions): New.
9709         (vector_types_convertible_p): Unless -flax-vector conversions
9710         has been passed, disallow conversions between vectors with
9711         differing numbers of subparts and/or element types.  If such
9712         a conversion is disallowed, possibly emit a note on the first
9713         occasion only to inform the user of -flax-vector-conversions.
9714         The new last argument specifies this.
9715         * c-common.h (flag_lax_vector_conversions): New.
9716         (vector_types_convertible_p): Add extra argument.
9717         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
9718         char_type_node for V*QI type vectors.
9719         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
9720         Update to satisfy new typechecking rules.
9721         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
9722         C and C++ variants.
9723         * doc/invoke.texi (C Dialect Options): Document
9724         -flax-vector-conversions.
9725
9726 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
9727
9728         PR tree-optimization/29877
9729         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
9730         a register variable on the RHS to not be replaceable.
9731
9732 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
9733         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
9734         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
9735         const_simm15, const_pow2, const_npow2): Added.
9736         * config/score/misc.md (insv, extv, extzv, movmemsi,
9737         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
9738         * config/score/score.c (score_address_cost, score_select_cc_mode):
9739         Added.
9740         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
9741         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
9742         Update score_print_operand.
9743         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
9744         Adjust register allocate order and update some macro define.
9745         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
9746         mdx_block_move_straight, mdx_block_move_loop_head,
9747         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
9748         mdx_block_move): Added.
9749         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
9750         mdp_limm): Updated and fix some bug and typo.
9751         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
9752         (movsf, movdf, doloop_end): Added.
9753
9754 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
9755
9756         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
9757         config/arm/thumb2.md: Fix comment typos.
9758         * doc/extend.texi: Fix a typo.
9759
9760 2007-01-07  Eric Christopher  <echristo@apple.com>
9761
9762         * configure.ac: Check for __stack_chk_fail for darwin.
9763         * configure: Regenerate.
9764
9765 2007-01-07  Richard Guenther  <rguenther@suse.de>
9766
9767         * tree-vrp.c (extract_range_from_assert): CSE calls to
9768         compare_values where possible.
9769         (extract_range_from_unary_expr): Likewise.
9770
9771 2007-01-07  Anatoly Sokolov <aesok@post.ru>
9772
9773         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
9774         * config/avr/avr.c (call_insn_operand): Delete function.
9775         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
9776         instead of register number. Use predicates.
9777         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
9778         call_insn_operand): Add.
9779
9780 2007-01-06  Jan Hubicka  <jh@suse.cz>
9781
9782         * tree-pass.h (pass_build_cgraph_edges): Declare.
9783         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
9784         (visited_nodes): Remove.
9785         (cgraph_create_edges): Move to cgraphbuild.c; rename to
9786         build_cgrpah_edges; make visited_nodes local.
9787         (cgraph_process_new_functions): DO not call initialize_inline_failed.
9788         (record_references_in_initializer): Move to cgraphbuild.c
9789         (initialize_inline_failed, rebuild_cgraph_edges,
9790         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
9791         (verify_cgraph_node): Make visited_nodes local.
9792         (cgraph_analyze_function): Do not call cgraph_create_edges and
9793         initialize_inline_failed.
9794         (cgraph_expand_function): Do not call cgraph_lower_function;
9795         assert that function is already lowered.
9796         * Makefile.in (cgraphbuild.o): New.
9797         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
9798         at the end of lowering passes.
9799
9800 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
9801
9802         * ifcvt.c (cond_move_convert_if_block): New function, code
9803         factored out from...
9804         (cond_move_process_if_block): ...here.  Call the new function
9805         on the THEN and ELSE blocks.
9806         (merge_if_block): Do not copy global_live_at_end, merge_blocks
9807         already takes care of this.
9808
9809 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9810
9811         PR c/19978
9812         * tree.h (TREE_OVERFLOW_P): New.
9813         * c-typeck.c (parser_build_unary_op): Warn only if result
9814         overflowed and operands did not.
9815         (parser_build_binary_op): Likewise.
9816         (convert_for_assignment): Remove redundant overflow_warning.
9817         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
9818
9819 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9820
9821         * c-typeck.c (store_init_value): Split over two lines to follow
9822         the GNU coding style.
9823
9824 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
9825
9826         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
9827         __GXX_EXPERIMENTAL_CXX0X__.
9828         * doc/cpp.texi: Same.
9829
9830 2007-01-05  Richard Guenther  <rguenther@suse.de>
9831
9832         PR middle-end/27826
9833         * tree.c (get_narrower): Do not construct COMPONENT_REFs
9834         with mismatched types.  Instead explicitly build a
9835         conversion NOP_EXPR.
9836
9837 2007-01-05  Ian Lance Taylor  <iant@google.com>
9838
9839         * c-common.c (decl_with_nonnull_addr_p): New function.
9840         (c_common_truthvalue_conversion): Call it.
9841         * c-typeck.c (build_binary_op): Likewise.
9842         * c-common.h (decl_with_nonnull_addr_p): Declare.
9843
9844 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
9845
9846         PR c/30360
9847         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
9848         denom against 0.0.
9849
9850 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
9851
9852         * doc/install.texi (Final install): Document the fact that
9853         the GNAT runtime should not be stripped.
9854
9855 2007-01-04  Jan Hubicka  <jh@suse.cz>
9856
9857         * tree-inline.c (fold_marked_statements): Update operand caches
9858         and EH after folding
9859
9860 2007-01-04  Ian Lance Taylor  <iant@google.com>
9861
9862         * c-common.c (check_function_nonnull): Whitespace fix.
9863
9864 2007-01-04  Jan Hubicka  <jh@suse.cz>
9865
9866         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
9867         comitted older version of patch.
9868         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
9869         function, celanup cfg and collect garbage.
9870
9871 2007-01-04  Mike Stump  <mrs@apple.com>
9872
9873         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
9874         (clean): Likewise.
9875
9876 2007-01-04  Eric Christopher  <echristo@apple.com>
9877
9878         * libgcc2.c (__bswapsi2): Use SItype.
9879         (__bswapdi2): Use DItype.
9880         * libgcc2.h: Update for above.
9881
9882 2007-01-04  Paul Brook  <paul@codesourcery.com>
9883
9884         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
9885         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
9886         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
9887         umulsidi3, umulsidi3adddi, smulsi3_highpart,
9888         umulsi3_highpart): Make conditional on !arm_arch6.
9889         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
9890         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
9891         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
9892         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
9893         umulsi3_highpart_v6): New insns.
9894
9895 2007-01-04  Roger Sayle  <roger@eyesopen.com>
9896
9897         * fold-const.c (fold_convert): When casting an expression to void,
9898         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
9899         have a type.  Instead of attempting to build a NOP_EXPR, return
9900         these "special" trees directly.
9901
9902 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
9903
9904         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
9905         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
9906         rs6000_cost->fp not 0 as adjustment for outer NEG.
9907
9908 2007-01-04  Jan Hubicka  <jh@suse.cz>
9909
9910         * cgraph.c (cgraph_release_function_body): New function.
9911         (cgraph_remove_node): Use it.
9912         * cgraph.h (cgraph_release_function_body): Declare.
9913         * cgraphunit.c (cgraph_expand_function): Use it.
9914         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
9915         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
9916         is initialized and while compilation of other function is running.
9917         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
9918         statement CFG annotations from here to ...
9919         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
9920
9921 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
9922
9923         * cfgloop.h (enum li_flags): Make the constants powers of two.
9924
9925 2007-01-04  Jan Hubicka  <jh@suse.cz>
9926
9927         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
9928         set.
9929         (fold_marked_statements): New function.
9930         (optimize_inline_calls, tree_function_versioning): Fold new statements.
9931         * tree-inline.h (copy_body_data): Add statements_to_fold.
9932
9933 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
9934
9935         * config.gcc: Mention libgcc/config.host.
9936         * Makefile.in: Update comments mentioning libgcc.
9937         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
9938         (all.cross, start.encap, rest.encap, rest.cross): Update
9939         dependencies for libgcc move.
9940         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
9941         (clean-target, clean-target-libgcc): Delete.
9942         (srcdirify, GCC_EXTRA_PARTS): New macros.
9943         (libgcc-support, libgcc.mvars): New rules.
9944         (distclean): Remove mention of mklibgcc.
9945         (install): Don't reference INSTALL_LIBGCC.
9946         (install-common): Don't reference EXTRA_PARTS.
9947         (install-libgcc, install-multilib): Delete rules.
9948         * mklibgcc.in: Delete file.
9949         * doc/configfiles.texi: Don't mention mklibgcc.
9950
9951         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
9952         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
9953         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
9954         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
9955         (mklibgcc, ldblspecs): Likewise.
9956
9957         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
9958         (posixpre.def): Use $(T).
9959         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
9960         (SHLIB_SRC, SHLIB_INSTALL): Delete.
9961         (SHLIB_LINK): Make dummy.
9962         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
9963
9964         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
9965
9966         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
9967         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
9968         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
9969         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
9970
9971         * configure.ac (all_outputs): Remove mklibgcc.
9972         * configure: Regenerated.
9973
9974 2007-01-03  Josh Conner  <jconner@apple.com>
9975
9976         PR middle-end/29683
9977         * calls.c (compute_argument_addresses): Set stack and stack_slot
9978         for partial args, too.
9979         (store_one_arg): Use locate.size.constant for the size when
9980         generating a save_area.
9981
9982 2007-01-03  Robert Kennedy <jimbob@google.com>
9983
9984         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
9985         whose definitions are deleted due to basic block merging.
9986
9987 2007-01-03  Paul Brook  <paul@codesourcery.com>
9988
9989         PR target/16634
9990         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
9991         functions.
9992         (use_return_insn): Return 0 for Thumb interrupt functions.
9993         (print_multi_reg): Add rfe argument for IRQ returns.
9994         (arm_output_epilogue): Pop interrupt return address directly into PC.
9995         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
9996
9997 2007-01-03  Paul Brook  <paul@codesourcery.com>
9998
9999         Merge from sourcerygxx-4_1.
10000         * config/arm/thumb2.md: New file.
10001         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10002         Thumb-2.
10003         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10004         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10005         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10006         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10007         tables.
10008         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10009         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10010         comptibility.
10011         * config/arm/ieee754-sf.S: Ditto.
10012         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10013         (thumb1_base_register_rtx_p): ... to this.
10014         (thumb_index_register_rtx_p): Rename...
10015         (thumb1_index_register_rtx_p): ... to this.
10016         (thumb_output_function_prologue): Rename...
10017         (thumb1_output_function_prologue): ... to this.
10018         (thumb_legitimate_address_p): Rename...
10019         (thumb1_legitimate_address_p): ... to this.
10020         (thumb_rtx_costs): Rename...
10021         (thumb1_rtx_costs): ... to this.
10022         (thumb_compute_save_reg_mask): Rename...
10023         (thumb1_compute_save_reg_mask): ... to this.
10024         (thumb_final_prescan_insn): Rename...
10025         (thumb1_final_prescan_insn): ... to this.
10026         (thumb_expand_epilogue): Rename...
10027         (thumb1_expand_epilogue): ... to this.
10028         (arm_unwind_emit_stm): Rename...
10029         (arm_unwind_emit_sequence): ... to this.
10030         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
10031         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
10032         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
10033         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
10034         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
10035         thumb2_output_casesi): New functions.
10036         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
10037         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
10038         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
10039         THUMB2_WORK_REGS): Define.
10040         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
10041         arm_condexec_mask, arm_condexec_masklen)): New variables.
10042         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
10043         (arm_override_options): Check new CPU capabilities.
10044         Set new architecture flag variables.
10045         (arm_isr_value): Handle v7m interrupt functions.
10046         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
10047         Thumb-2.
10048         (const_ok_for_arm): Handle Thumb-2 constants.
10049         (arm_gen_constant): Ditto.  Use movw when available.
10050         (arm_function_ok_for_sibcall): Return false for v7m interrupt
10051         functions.
10052         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
10053         (thumb_find_work_register, arm_load_pic_register,
10054         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
10055         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
10056         print_multi_reg, output_mov_long_double_fpa_from_arm,
10057         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
10058         output_mov_double_fpa_from_arm, output_move_double,
10059         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
10060         output_return_instruction, arm_output_function_prologue,
10061         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
10062         arm_output_mi_thunk, thumb_set_return_address): Ditto.
10063         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
10064         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
10065         (arithmetic_instr, shift_op): Use arm_shift_nmem.
10066         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
10067         '!' and 'L'.
10068         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
10069         (thumb_expand_prologue): Use thumb_set_frame_pointer.
10070         (arm_file_start): Output directive for unified syntax.
10071         (arm_unwind_emit_set): Handle stack alignment instruction.
10072         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
10073         Add v6t2, v7, v7a, v7r and v7m.
10074         (RETLDM): Add Thumb-2 code.
10075         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
10076         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
10077         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
10078         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
10079         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
10080         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
10081         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
10082         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
10083         ADJUST_INSN_LENGTH): Define.
10084         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
10085         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
10086         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
10087         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
10088         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
10089         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
10090         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
10091         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
10092         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
10093         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
10094         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
10095         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
10096         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
10097         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
10098         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
10099         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
10100         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
10101         cortex-m3.
10102         * config/arm/arm-tune.md: Regenerate.
10103         * config/arm/arm-protos.h: Update prototypes.
10104         * config/arm/vfp.md: Enable patterns for Thumb-2.
10105         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
10106         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
10107         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
10108         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
10109         * config/arm/libunwind.S: Add Thumb-2 code.
10110         * config/arm/constraints.md: Update include Thumb-2.
10111         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
10112         * config/arm/ieee754-df.S: Ditto.
10113         * config/arm/bpabi.S: Ditto.
10114         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
10115         * config/arm/predicates.md (low_register_operand,
10116         low_reg_or_int_operand, thumb_16bit_operator): New.
10117         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
10118         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
10119         * config/arm/t-arm-elf: Add armv7 multilib.
10120         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
10121         Include thumb2.md.
10122         (UNSPEC_STACK_ALIGN, ce_count): New.
10123         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
10124         arm_zero_extendsidi2, arm_zero_extendqidi2): New
10125         insns/expanders.
10126         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
10127         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
10128         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
10129         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
10130         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
10131         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
10132         insns.
10133         * doc/extend.texi: Document ARMv7-M interrupt functions.
10134         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
10135
10136 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
10137
10138         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
10139         (struct _Unwind_Context): Rename args_size to flags, remove
10140         signal_frame field, add a new args_size field and version field.
10141         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
10142         _Unwind_IsExtendedContext): New inline functions.
10143         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10144         Assume by_value array is only present if _Unwind_IsExtendedContext.
10145         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
10146         _Unwind_IsSignalFrame.
10147         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
10148         (uw_update_context_1): Use _Unwind_SetSignalFrame.
10149         (uw_init_context_1): Initialize context->flags to
10150         EXTENDED_CONTEXT_BIT.
10151         * config/rs6000/linux-unwind.h (frob_update_context): Use
10152         _Unwind_SetSignalFrame.
10153
10154 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10155
10156         PR middle-end/30353
10157         * gimplify.c (gimplify_modify_expr_complex_part): Move below
10158         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
10159         the value.
10160
10161 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
10162
10163         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
10164         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
10165         RET, AT_SP): Remove.
10166         * config/i386/i386.md (*sse_prologue_save_insn): Use return
10167         instead of RET.
10168
10169         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10170         * cfgbuild.c (find_basic_blocks): Likewise.
10171         * cfgrtl.c (rtl_create_basic_block): Likewise.
10172         * function.c (temp_slots_at_level): Likewise.
10173         * reg-stack.c (stack_regs_mentioned): Likewise.
10174         * regclass.c (allocate_reg_info): Likewise.
10175         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10176         set_bb_for_stmt, move_block_to_fn): Likewise.
10177         * tree-complex.c (tree_lower_complex): Likewise.
10178         * vec.h (VEC_safe_grow_cleared): New.
10179
10180         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
10181
10182 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
10183
10184         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
10185         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
10186         to loop_version.
10187         * cfgloopmanip.c (scale_loop_frequencies): Export.
10188         (loopify): Scale the frequencies by prescribed coefficients.
10189         (set_zero_probability): New function.
10190         (duplicate_loop_to_header_edge): Improve updating of frequencies.
10191         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
10192         and frequencies according to arguments.
10193         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
10194         correctly.
10195         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
10196         * modulo-sched.c (sms_schedule): Set probabilities for entering
10197         versioned loop correctly.
10198         * tree-vect-transform.c (vect_transform_loop): Ditto.
10199         * cfgloop.h (loopify, loop_version): Declaration changed.
10200         (scale_loop_frequencies): Declared.
10201
10202 2007-01-02  Jan Hubicka  <jh@suse.cz>
10203
10204         * cgraph.c: Include tree-flow.h
10205         (cgraph_add_new-function): Handle IPA_SSA mode; execute
10206         early_local_passes.
10207         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
10208         * tree-pass.h (pass_all_early_optimizations): Declare.
10209         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
10210         early_local_passes.
10211         (cgraph_analyze_function): Do early_local_passes.
10212         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10213         Do not add referenced vars.
10214         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
10215         SSA form.
10216         (gate_all_early_local_passes): New gate.
10217         (pass_early_local_passes): Use new gate.
10218         (execute_early_local_optimizations): New functions.
10219         (gate_all_early_optimizations): New gate.
10220         (pass_all_early_optimizations): New pass.
10221         (execute_free_datastructures): Free SSA only when initialized.
10222         (gate_init_datastructures): Init only when optimizing.
10223         (tree_lowering_passes): Do early local passes when called late.
10224         * tree-profile.c (do_tree_profiling): Don't profile functions added
10225         late.
10226         (do_early_tree_profiling, pass_early_tree_profile): Kill.
10227         * tree-cfg.c (update_modified_stmts): Do not update when operands are
10228         not active.
10229         * passes.c (init_optimizations_passes): Reorder so we go into SSA
10230         during early_local_passes.
10231         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
10232
10233
10234 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10235
10236         * Makefile.in: Update copyright year.
10237
10238 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10239
10240         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
10241         in $(lang_checks) and check-consistency targets.
10242
10243 2007-01-02  Jan Hubicka  <jh@suse.cz>
10244
10245         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10246         Do not add referenced vars.
10247         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
10248         are not active.
10249         * passes.c (init_optimization_passes): Put mudflap_2 after
10250         free_datastructures.
10251
10252 2007-01-02  Jan Hubicka  <jh@suse.cz>
10253
10254         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
10255         Set NOTHROW flag on call statements proved to be nothrow.
10256         Update statement of local calls so new pure/const functions are
10257         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
10258         goto receivers.
10259         (tree_rest_of_compilation): Register hooks and initialize bitmap
10260         early. Do not set after_inlining flag.
10261
10262 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
10263
10264         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
10265         HOST_BITS_PER_LONGLONG
10266
10267 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10268
10269         PR c/19977
10270         * c-typeck.c (store_init_value): Don't emit pedantic overflow
10271         warning for non-static initializers.
10272
10273 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
10274
10275         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
10276         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
10277         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
10278         Always use set_unique_reg_note to add REG_EQUAL notes.
10279
10280 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10281
10282         Revert:
10283         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10284
10285         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10286         * cfgbuild.c (find_basic_blocks): Likewise.
10287         * cfgrtl.c (rtl_create_basic_block): Likewise.
10288         * function.c (temp_slots_at_level): Likewise.
10289         * reg-stack.c (stack_regs_mentioned): Likewise.
10290         * regclass.c (allocate_reg_info): Likewise.
10291         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10292         set_bb_for_stmt, move_block_to_fn): Likewise.
10293         * tree-complex.c (tree_lower_complex): Likewise.
10294         * vec.h (VEC_safe_grow_cleared): New.
10295
10296 2007-01-02  Ian Lance Taylor  <iant@google.com>
10297
10298         * c-common.c (c_common_truthvalue_conversion): When warning about
10299         using an assignment as a truth value, set TREE_NO_WARNING.
10300
10301 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10302
10303         PR middle-end/7651
10304         * c.opt (Wold-style-declaration): New.
10305         * doc/invoke.texi (C-only Warning Options): New.
10306         (Wold-style-declaration): Document it.
10307         (Wextra): Enabled by -Wextra.
10308         * c-opts.c (c_common_post_options): Enabled by -Wextra.
10309         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
10310         -Wold-style-declaration.
10311
10312 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10313
10314         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10315         * cfgbuild.c (find_basic_blocks): Likewise.
10316         * cfgrtl.c (rtl_create_basic_block): Likewise.
10317         * function.c (temp_slots_at_level): Likewise.
10318         * reg-stack.c (stack_regs_mentioned): Likewise.
10319         * regclass.c (allocate_reg_info): Likewise.
10320         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10321         set_bb_for_stmt, move_block_to_fn): Likewise.
10322         * tree-complex.c (tree_lower_complex): Likewise.
10323         * vec.h (VEC_safe_grow_cleared): New.
10324
10325 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
10326
10327         * c-common.c (c_common_nodes_and_builtins): Since variants of
10328         void_type_node get built before it is given a name, we need to
10329         give those variants the name, too.
10330         (complete_array_type): We need to work with the canonical main
10331         type of the array, from which we will build the qualified version.
10332         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
10333         * print-tree.c (print_node): Display canonical type information
10334         for each type.
10335         * stor-layout.c (layout_type): When we don't know the
10336         alignment of a type for which we're building an array, we end up
10337         guessing wrong, so make the type require structural equality.
10338         * tree.c (make_node_stat): When we build a new type, it is its
10339         own canonical type.
10340         (build_type_attribute_qual_variant): When building an attribute
10341         variant, its canonical type is the non-attribute variant. However,
10342         if the attributes are target-dependent and they differ, we need to
10343         use structural equality checks for this type.
10344         (build_qualified_type): A qualified type is not equivalent to its
10345         unqualified variant; set the canonical type appropriately.
10346         (build_distinct_type_copy): When building a distinct type from
10347         another type, the new type is its own canonical type.
10348         (build_variant_type_copy): When building a new type variant, we
10349         assume that it is equivalent to the original type.
10350         (build_pointer_type_for_mode): When building a pointer type, also
10351         build a canonical type pointer.
10352         (build_reference_type_for_mode): When building a reference type,
10353         also build a canonical type reference.
10354         (build_index_type): When we can't hash an index type (e.g.,
10355         because its maximum value is negative), the index type requires
10356         structural equality tests.
10357         (build_array_type): Build the canonical form of an array type.
10358         (build_function_type): Function types require structural equality,
10359         because they contain default arguments, attributes, etc.
10360         (build_method_type_directly): Ditto for method types.
10361         (build_offset_type): Build the canonical offset type.
10362         (build_complex_type): Build the canonical vector type.
10363         (make_vector_type): Build the canonical vector type.
10364         * tree.h (TYPE_CANONICAL): New.
10365         (TYPE_STRUCTURAL_EQUALITY_P): New.
10366         (SET_TYPE_STRUCTURAL_EQUALITY): New.
10367         (struct tree_type): Added "canonical" field.
10368         * params.h (VERIFY_CANONICAL_TYPES): New.
10369         * doc/c-tree.texi (TYPE_CANONICAL): Document.
10370         (TYPE_STRUCTURAL_EQUALITY_P): Document.
10371         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
10372         * doc/invoke.texi (verify-canonical-types): Document --param
10373         parameter for verifying canonical types.
10374
10375 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10376
10377         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
10378         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
10379         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
10380         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
10381         tm_file.
10382         * config/rs6000/e500.h: New.
10383         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
10384         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
10385         Remove.
10386         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
10387         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
10388         TARGET_E500_DOUBLE): Remove.
10389         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
10390         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
10391         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
10392         * config/rs6000/rs6000.c (rs6000_override_options): Use
10393         CHECK_E500_OPTIONS.
10394
10395 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10396
10397         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
10398         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
10399         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
10400         rs6000_emit_cmove): Don't check TARGET_E500.
10401         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
10402         sordered): Don't check TARGET_E500.
10403
10404 2007-01-01  Eric Christopher  <echristo@apple.com>
10405
10406         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
10407         HARD_REGISTER_NUM_P.
10408
10409 2007-01-01  Roger Sayle  <roger@eyesopen.com>
10410
10411         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
10412         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
10413         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
10414         eq/ne Y".
10415
10416 2007-01-01  Mike Stump  <mrs@apple.com>
10417
10418         * configure.ac: Remove support for building with Apple's gcc-3.1.
10419
10420 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10421
10422         PR middle-end/30311
10423         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
10424         REG is a hard register.  Do not modify REG before calling
10425         subreg_nregs.
10426         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
10427         multiple of the size of YMODE for certain lowpart cases.
10428
10429 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10430
10431         PR middle-end/30253
10432         * gimplify (voidify_wrapper_expr): Update for
10433         GIMPLE_MODIFY_STMT.
10434
10435 2007-01-01  Andreas Schwab  <schwab@suse.de>
10436
10437         PR target/29166
10438         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
10439         save of BR0 in extra_spill_size instead of spill_size.
10440         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
10441         area.
10442         (ia64_expand_epilogue): Restore BR0 from its new location.
10443
10444 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10445
10446         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
10447         Use a temporary variable if the left hand side is not a gimple
10448         register.
10449
10450 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10451
10452         * gimplify.c (gimplify_return_expr): Make the temporary variable
10453         for the return expression, a gimple register variable.
10454
10455 2007-01-01  Jan Hubicka  <jh@suse.cz>
10456
10457         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
10458         INSN_LIST.
10459
10460 2007-01-01  Mike Stump  <mrs@apple.com>
10461
10462         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
10463         .literal16.
10464         * config/darwin.c (machopic_select_rtx_section): Use
10465         HAVE_GAS_LITERAL16.
10466         (darwin_mergeable_constant_section): Likewise.
10467         * configure: Regenerate.
10468         * config.in: Regenerate.
10469
10470 2007-01-01  Jan Hubicka  <jh@suse.cz>
10471             Andrew Pinski  <pinskia@gmail.com>
10472
10473         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
10474         before starting IPA passes.