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2007-04-12 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-12  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/24689
4         PR tree-optimization/31307
5         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
6         indices by value.
7         * gimplify.c (canonicalize_addr_expr): To be consistent with
8         gimplify_compound_lval only set operands two and three of
9         ARRAY_REFs if they are not gimple_min_invariant.  This makes
10         it never at this place.
11         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
12
13 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14
15         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
16         null before emitting a .nsubspa directive.
17
18 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
19
20         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
21         need_to_partition_p if there are no memory statements in the
22         function.
23
24 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
25
26         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
27         (gcd_of_steps_may_divide_p): New function.
28         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
29
30 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
31
32         * reload.c (find_reloads_toplev, find_reloads_address,
33         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
34         not a pointer equality test, to decide if we need to call
35         push_reg_equiv_alt_mem.
36
37 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
38
39         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
40         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
41         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
42
43 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
44
45         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
46         vector to be positive.
47
48 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
49
50         PR 30735
51         PR 31090
52         * doc/invoke.texi: Document --params max-aliased-vops and
53         avg-aliased-vops.
54         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
55         debug_memory_partitions): Move to tree-flow.h
56         * params.h (AVG_ALIASED_VOPS): Define.
57         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
58         users.
59         (mp_info_t): Likewise.
60         (get_mem_sym_stats_for): New.
61         (set_memory_partition): Move from tree-flow-inline.h.
62         (mark_non_addressable): Only clear the set of symbols for the
63         partition if it exists.
64         (dump_memory_partitions): Move from tree-ssa-operands.c
65         (debug_memory_partitions): Likewise.
66         (need_to_partition_p): New.
67         (dump_mem_ref_stats): New.
68         (debug_mem_ref_stats): New.
69         (dump_mem_sym_stats): New.
70         (debug_mem_sym_stats): New.
71         (update_mem_sym_stats_from_stmt): New.
72         (compare_mp_info_entries): New.
73         (mp_info_cmp): Call it.
74         (sort_mp_info): Change argument to a list of mem_sym_stats_t
75         objects.
76         (get_mpt_for): Move from tree-ssa-operands.c.
77         (find_partition_for): New.
78         (create_partition_for): Remove.
79         (estimate_vop_reduction): New.
80         (update_reference_counts): New.
81         (build_mp_info): New.
82         (compute_memory_partitions): Refactor.
83         Document new heuristic.
84         Call build_mp_info, update_reference_counts,
85         find_partition_for and estimate_vop_reduction.
86         (compute_may_aliases): Populate virtual operands before
87         calling debugging dumps.
88         (delete_mem_sym_stats): New.
89         (delete_mem_ref_stats): New.
90         (init_mem_ref_stats): New.
91         (init_alias_info): Call it.
92         (maybe_create_global_var): Remove alias_info argument.
93         Get number of call sites and number of pure/const call sites
94         from gimple_mem_ref_stats().
95         (dump_alias_info): Call dump_memory_partitions first.
96         (dump_points_to_info_for): Show how many times a pointer has
97         been dereferenced.
98         * opts.c (decode_options): For -O2 set --param
99         max-aliased-vops to 500.
100         For -O3 set --param max-aliased-vops to 1000 and --param
101         avg-aliased-vops to 3.
102         * fortran/options.c (gfc_init_options): Remove assignment to
103         MAX_ALIASED_VOPS.
104         * tree-flow-inline.h (gimple_mem_ref_stats): New.
105         * tree-dfa.c (dump_variable): Dump memory reference
106         statistics.
107         Dump NO_ALIAS* settings.
108         (referenced_var_lookup): Tidy.
109         (mem_sym_stats): New.
110         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
111         and ORIG are different SSA names for a memory partition.
112         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
113         * tree-flow.h (struct mem_sym_stats_d): Define.
114         (mem_sym_stats_t): Define.
115         (struct mem_ref_stats_d): Define.
116         (struct gimple_df): Add field mem_ref_stats.
117         (enum noalias_state): Define.
118         (struct var_ann_d): Add bitfield noalias_state.
119         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
120         debug_mem_ref_stats, debug_memory_partitions,
121         debug_mem_sym_stats): Declare.
122         * tree-ssa-structalias.c (update_alias_info): Update call
123         sites, pure/const call sites and asm sites in structure
124         returned by gimple_mem_ref_stats.
125         Remove local variable IS_POTENTIAL_DEREF.
126         Increase NUM_DEREFS if the memory expression is a potential
127         dereference.
128         Call update_mem_sym_stats_from_stmt.
129         If the memory references memory, call
130         update_mem_sym_stats_from_stmt for all the direct memory
131         symbol references found.
132         (intra_create_variable_infos): Set noalias_state field for
133         pointer arguments according to the value of
134         flag_argument_noalias.
135         * tree-ssa-structalias.h (struct alias_info): Remove fields
136         num_calls_found and num_pure_const_calls_found.
137         (update_mem_sym_stats_from_stmt): Declare.
138         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
139         Set default value to 100.
140         (PARAM_AVG_ALIASED_VOPS): Define.
141
142 2007-04-11  Richard Guenther  <rguenther@suse.de>
143
144         PR middle-end/31530
145         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
146         a * -b + c as c - a * b if we honor sign dependent rounding.
147
148 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
149
150         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
151         bfin_expand_strmov.
152         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
153         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
154         variables.
155         (initialize_trampoline): Don't use old-style function definition.
156         (bfin_secondary_reload): Mark IN_P argument as unused.
157
158 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
159
160         PR tree-optimization/31343
161         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
162         (build_polynomial_chrec): Return a scalar when the evolution is zero.
163         * testsuite/gcc.dg/vect/pr31343.c: New.
164
165 2007-04-10  Eric Christopher  <echristo@apple.com>
166
167         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
168         * config/i386/i386.md (*cmpfp0): Use.
169         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
170         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
171         (fix_trunc<mode>_i386_fisttp): Ditto.
172         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
173         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
174         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
175         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
176         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
177         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
178         (unnamed_splitters): Ditto.
179         * config/i386/i386.c (output_fix_trunc): Assert that
180         we're not being passed a TFmode operand.
181
182 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
183
184         PR tree-optimization/31526
185         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
186         n_basic_blocks to find newly added blocks.
187
188 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
189
190         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
191         alternative.
192         (fix_trunc<mode>si_sse): Ditto.
193         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
194         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
195         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
196         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
197         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
198         expander using SSEMODEF mode macro.
199         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
200         expander using SSEMODEF mode macro.
201         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
202         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
203         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
204         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
205         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
206         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
207         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
208         Macroize insn using X87MODEF mode macro.
209
210 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
211
212         * config/i386/sse.md (sse2_pinsrw): Removed.
213         (sse2_pextrw): Renamed to ...
214         (*sse2_pextrw): This.
215
216 2007-04-09  Jan Hubicka  <jh@suse.cz>
217
218         PR target/27869
219         * config/i386/sse.md
220         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
221         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
222         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
223         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
224
225 2007-04-09  Jan Hubicka  <jh@suse.cz>
226
227         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
228         multiple fields of union.
229
230 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
231
232         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
233         (create_preheaders): Check that loops are available.
234         (fix_loop_structure): Clean up, improve comments.
235         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
236         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
237         state flags.
238         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
239         * predict.c (tree_estimate_probability): Do not call
240         calculate_dominance_info.  Call create_preheaders.
241         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
242         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
243         flags.
244         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
245         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
246         * tree-cfg.c (tree_split_edge): Make an assert more precise.
247         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
248         arguments.
249
250 2007-04-08  Jan Hubicka  <jh@suse.cz>
251
252         * tree.h (maybe_fold_offset_to_component_ref): Declare.
253         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
254         * fold-const.c (fold_unary): Use it.
255
256 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
257
258         * varasm.c (assemble_variable): Remove call to
259         lang_hooks.decls.prepare_assemble_variable.
260         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
261         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
262         * langhooks.h (lang_hooks_for_decls): Remove
263         prepare_assemble_variable.
264
265 2007-04-08  Mike Stump  <mrs@apple.com>
266
267         * config/i386/i386.c: Use inc/dec on Core2.
268
269 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
270
271         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
272         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
273         lhd_tree_inlining_end_inlining): Remove.
274         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
275         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
276         end_inlining hooks.
277         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
278         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
279         lhd_tree_inlining_end_inlining): Remove prototypes.
280         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
281         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
282         LANG_HOOKS_TREE_INLINING_START_INLINING,
283         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
284
285         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
286         not set it.
287
288 2007-04-08  Anatoly Sokolov <aesok@post.ru>
289
290         PR target/29932
291         * config/avr/predicates.md (io_address_operand): Delete predicate.
292         (low_io_address_operand): Don't use 'mode' argument.
293         (higth_io_address_operand): Rename ...
294         (high_io_address_operand): ... to this. Don't use 'mode' argument.
295         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
296         for above change.
297
298 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
299
300         Revert change removing staticp.
301
302 2007-04-07  Anatoly Sokolov <aesok@post.ru>
303
304         PR target/30289
305         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
306         earlyclobber.
307
308 2007-04-07  Bruce Korb  <bkorb@gnu.org>
309
310         * c.opt: Add -Wformat-contains-nul.
311         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
312           -Wformat setting.
313         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
314         the NUL byte warning.
315
316 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
317
318         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
319
320 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
321
322         * tree.c (staticp): No longer use staticp langhook.
323         * langhooks.c (lhd_staticp): Removed.
324         * langhooks.h (struct lang_hooks): Remove staticp.
325         * c-common.c (c_staticp): Remove.
326         * c-common.h (c_staticp): Ditto.
327         * langhooks-defs.h (lhd_staticp): Ditto.
328         (LHD_HOOKS_STATICP): Ditto
329         * tree.h (gcc_assert_lowered): New macro.
330
331 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
332
333         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
334         argument "reliable".
335         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
336         Add argument "reliable".  Propagate it through calls.
337         (infer_loop_bounds_from_undefined):  Derive number of iterations
338         estimates from references in blocks that do not dominate loop latch.
339         (gcov_type_to_double_int): New function.
340         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
341         and expected_loop_iterations_unbounded.
342         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
343         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
344         * tree-data-ref.c (estimated_loop_iterations): Export.
345         (get_references_in_stmt): Fix -- do not return addresses of local
346         objects.
347         * cfgloop.h (expected_loop_iterations_unbounded,
348         estimated_loop_iterations): Declare.
349
350 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
351
352         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
353
354 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
355
356         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
357         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
358         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
359         Use output_387_reg_move().
360         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
361         expander using X87MODEF12 mode macro.
362         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
363         choosing register preferences.  Use output_387_reg_move().
364         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
365         instead of "x".  Use output_387_reg_move().
366         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
367         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
368         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
369         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
370         Use output_387_reg_move().
371         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
372         mode macro.
373         (*truncxf?f_i387 splitter): Ditto.
374
375 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
376
377         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
378         LANG_HOOKS_SAFE_FROM_P.
379         * expr.c (safe_from_p): Remove langhook call.
380         * langhooks.h (lang_hooks): Remove safe_from_p.
381         (lhd_safe_from_p): Remove prototype.
382         * langhooks.c (lhd_safe_from_p): Remove.
383
384 2007-04-06  Jan Hubicka  <jh@suse.cz>
385
386         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
387         functions.
388
389 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
390
391         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
392         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
393         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
394         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
395         alternative.
396         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
397         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
398
399 2007-04-05  Richard Henderson  <rth@redhat.com>
400
401         * config/alpha/alpha.c (print_operand) [+]: Remove.
402         (alpha_end_function): Print nop if call at end of function.
403         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
404         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
405         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
406         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
407         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
408         the call pattern. Update peepholes to match.
409
410 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
411
412         * doc/extend.texi (Other Builtins): Add decimal float variants
413         of signbit.
414         * builtins.def: Ditto.
415         * builtins.c (expand_builtin): Ditto.
416
417 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
418             H.J. Lu  <hongjiu.lu@intel.com>
419
420         PR target/31478
421         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
422         of V8HImode when calling ix86_binary_operator_ok.
423         (sse2_pmaddwd): Call ix86_binary_operator_ok.
424         (sdot_prodv8hi): Operands 1 and 2 must be register.
425
426 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
427
428         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
429         initialize align to silence bogus warning.
430
431 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
432
433         PR middle-end/22156
434         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
435         all_no_warning.
436         (struct sra_walk_fns): Remove use_all parameter from use.
437         (sra_hash_tree): Handle BIT_FIELD_REFs.
438         (sra_elt_hash): Don't hash bitfld blocks.
439         (sra_elt_eq): Skip them in parent compares as well.  Handle
440         BIT_FIELD_REFs.
441         (sra_walk_expr): Don't maintain or pass down use_all_p.
442         (scan_use): Remove use_all parameter.
443         (scalarize_use): Likewise.  Re-expand assignment to
444         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
445         output, and re-scalarize after output.  Don't mark anything
446         for no warning.
447         (scalarize_ldst): Adjust.
448         (scalarize_walk_gimple_modify_statement): Likewise.
449         (build_element_name_1): Handle BIT_FIELD_REFs.
450         (instantiate_element): Don't warn for any element whose parent
451         is used as a whole.
452         (instantiate_missing_elements_1): Return the sra_elt.
453         (canon_type_for_field): New.
454         (try_instantiate_multiple_fields): New.
455         (instantiate_missing_elemnts): Use them.
456         (mark_no_warning): Removed.
457         (generate_one_element_ref): Handle BIT_FIELD_REFs.
458         (REPLDUP, sra_build_elt_assignment): New.
459         (generate_copy_inout): Use them.
460         (generate_element_copy): Likewise.  Handle bitfld differences.
461         (generate_element_zero): Don't recurse for blocks.  Use
462         sra_build_elt_assignment.
463         (generate_one_element_int): Take elt instead of var.  Use
464         sra_build_elt_assignment.
465         (generate_element_init_1): Adjust.
466         (scalarize_use, scalarize_copy): Use REPLDUP.
467         (scalarize_ldst): Move assert before dereference.
468         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
469
470 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
471
472         * regmove.c: Fix unused variable warnings due to previous commit.
473
474 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
475
476         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
477         (regmove_bb_head): Remove.
478         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
479         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
480         problems with fixup_match_1.
481         Don't initialize/free regmove_bb_head.
482
483         (reg_is_remote_constant_p): If an insn is in the same basic block
484         but not before INSN, consider it remote, too.
485
486 2007-04-05  Anatoly Sokolov <aesok@post.ru>
487
488         PR target/25448
489         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
490         DECL_ASSEMBLER_NAME, not the DECL_NAME.
491
492 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
493
494         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
495         (CONDITIONAL_REGISTER_USAGE): Likewise.
496
497 2007-04-04  Richard Henderson  <rth@redhat.com>
498
499         * config/alpha/lib1funcs.asm: Remove unused file.
500
501 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
502
503         PR other/31356
504         * opts.c (print_specific_help): Fix --help=<language>
505         header line.
506         (common_handle_option): Support --help=common.
507
508 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
509
510         PR other/31353
511         * gcc.c (main): Do not run the linker if
512         print_subprocess_help indicates that it shouldn't be
513         run.
514
515 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
516
517         PR doc/31355
518         * doc/invoke.texi (--help=): Document <languages> value, fix
519         formatting in tables of values.
520
521 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
522
523         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
524         dllimport attribute of virtual methods.
525
526 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
527
528         * config/score/crti.asm: Change _bss_start to __bss_start.
529         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
530         (OUTGOING_REG_PARM_STACK_SPACE) update.
531         * config/score/score.opt: add options to make backend support
532         score5, score5u, score7 and score7d.
533         * config/score/score.md: Likewise.
534         * config/score/misc.md: Likewise.
535         * config/score/mac.md: Likewise.
536         * doc/invoke.texi: Likewise.
537         * doc/md.texi: update constraints define.
538
539 2007-04-03  Richard Henderson  <rth@redhat.com>
540
541         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
542         an appropriate type, use the mode instead.
543
544 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
545
546         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
547         Set the default --with-arch setting to mips2.
548         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
549         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
550         (MULTILIB_OSDIRNAMES): Delete.
551         (MULTILIB_DIRNAMES): Define.
552         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
553         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
554         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
555         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
556         VXWORKS_OS_CPP_BUILTINS.
557         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
558         (MIPS_DEBUGGING_INFO): Undefine.
559         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
560
561 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
562
563         PR middle-end/30704
564         * fold-const.c (native_encode_real): Encode real.c provided longs
565         as a series of 32-bit native integers.
566         (native_interpret_real): Interpret buffer as a series of 32-bit
567         native integers.
568
569 2007-04-03  Richard Guenther  <rguenther@suse.de>
570
571         * genpreds.c (write_insn_constraint_len): Write function
572         optimized for CONSTRAINT_LEN implementation.
573         (write_tm_preds_h): Output insn_constraint_len inline and
574         use it for CONSTRAINT_LEN.
575         (write_insn_preds_c): Don't output insn_constraint_len.
576         * doc/md.texi (define_register_constraint): Document multi-letter
577         constraints shall have the same length if they start with the same
578         letter.
579
580 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
581
582         PR target/31175
583         * config/i386/i386.md (isinf<mode>2): Expand only when
584         TARGET_C99_FUNCTIONS is set.
585
586 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
587
588         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
589         (x86_64-*-linux*): Ditto.
590         * config/i386/i386.opt (mpc): New option.
591         * config/i386/i386.c (overrride_options): Handle
592         ix87_precision_string.
593         * config/i386/crtprec.c: New file.
594         * config/i386/t-crtpc: Ditto.
595         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
596         and -mpc80 options.
597         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
598         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
599         crtprec32.o, crtprec64.o and crtprec80.o.
600
601         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
602         and -mpc80 options.
603         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
604
605 2007-04-02  Eric Christopher  <echristo@apple.com>
606
607         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
608         limitations on darwin.
609
610 2007-04-02  Anatoly Sokolov <aesok@post.ru>
611
612         PR target/31137
613         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
614
615 2007-04-02  Dave Korn  <dave.korn@artimi.com>
616
617         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
618
619 2007-04-02  Dave Korn  <dave.korn@artimi.com>
620
621         * libgcc2.h (exception_descriptor): Don't forward-declare.
622         (__get_eh_table_language, __get_eh_table_version): Delete
623         prototypes of long-dead functions.
624
625 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
626
627         * ebitmap.h: New file
628         * ebitmap.c: New file
629         * Makefile.in (ebitmap.o): New target.
630
631 2007-04-01  Jan Hubicka  <jh@suse.cz>
632
633         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
634         before very first instruction.
635
636 2007-04-01  Jan Hubicka  <jh@suse.cz>
637
638         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
639         waring on 64bit hosts.
640         * bitmap.h: Fix typo in bitmap_head_def.
641
642 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
643
644         PR rtl-optimization/31391
645         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
646         into a DELETED_LABEL note, and the label is in an empty basic
647         block, update BB_END as well as BB_HEAD.
648
649 2007-04-01  Richard Henderson  <rth@redhat.com>
650
651         PR tree-optimization/31169
652         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
653         to varying if the range is outside [0,  prec-1].
654
655 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
656
657         PR target/31388
658         * config/mips/mips.md (load_const_gp): New insn.
659         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
660         the MIPS16 GP pseudo register if no_new_pseudos.
661         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
662
663 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
664
665         PR target/31364
666         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
667         secureplt.
668         (call_value): Likewise.
669
670 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
671             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
672
673         PR 14737
674         * doc/invoke.texi: (optimization options): Reword description
675         of -ffast-math. Document its primary purpose.
676
677 2007-03-31  Richard Guenther  <rguenther@suse.de>
678
679         * omp-low.c (splay-tree.h): Include.
680         (lookup_decl): Replace splay-tree usage by pointer-map.
681         (maybe_lookup_decl): Likewise.
682         (new_omp_context): Likewise.
683         (delete_omp_context): Likewise.
684         * gimplify.c (splay-tree.h): Include.
685         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
686         pointer-map.
687         (remap_ssa_name): Likewise.
688         (remap_decl): Likewise.
689         (remap_type_1): Likewise.
690         (remap_type): Likewise.
691         (copy_body_r): Likewise.
692         (expand_call_inline): Likewise.
693         (clone_body): Likewise.
694         (copy_tree_r): Likewise.
695         (remap_save_expr): Likewise.
696         (unsave_r): Likewise.
697         (unsave_expr_now): Likewise.
698         (tree_function_versioning): Likewise.
699         (build_duplicate_type): Likewise.
700         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
701         (struct copy_body_data): Replace splay-tree by pointer-map.
702         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
703         not $(SPLAY_TREE_H).
704         (gimplify.o): Depend on $(SPLAY_TREE_H).
705         (omp-low.p): Likewise.
706
707 2007-03-31  Anatoly Sokolov <aesok@post.ru>
708
709         * config/avr/predicates.md (even_register_operand,
710         odd_register_operand): New predicates.
711         * config/avr/avr.md (movw peephole2): New.
712         (movw_r peephole2): New.
713
714 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
715
716         * tree.h (get_signed_or_unsigned_type): New.
717         * fold-const.c (operand_equal_for_comparison_p): Use
718         get_signed_or_unsigned_type instead of
719         lang_hooks.types.signed_or_unsigned_type.
720         * expr.c (store_expr): Ditto.
721         * langhooks.c (get_signed_or_unsigned_type): New.
722         (lhd_signed_or_unsigned_type): New.
723         * langhooks.h (lhd_signed_or_unsigned_type): New.
724         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
725
726 2007-03-30  Richard Henderson  <rth@redhat.com>
727
728         * tree-ssa-loop-ivopts.c: Include target.h.
729         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
730         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
731         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
732         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
733
734 2007-03-30  Richard Henderson  <rth@redhat.com>
735             Kai Tietz  <kai.tietz@onevision.com>
736
737         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
738         default for 64-bit.
739         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
740         (TARGET_64BIT_MS_ABI): New.
741         (DBX_REGISTER_NUMBER): Handle 64-bit.
742         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
743         (LONG_TYPE_SIZE): Force to 32.
744         (REG_PARM_STACK_SPACE): New.
745         (OUTGOING_REG_PARM_STACK_SPACE): New.
746         (REGPARM_MAX, SSE_REGPARM_MAX): New.
747         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
748         (STACK_BOUNDARY): Use 128 for 64-bit.
749         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
750         Add 64-bit implementation.
751         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
752         argument unused.
753         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
754         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
755         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
756         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
757         (ix86_handle_cconv_attribute): Don't warn when ignoring if
758         TARGET_64BIT_MS_ABI.
759         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
760         (ix86_pass_by_reference): Likewise.
761         (ix86_function_value_regno_p): Likewise.
762         (ix86_build_builtin_va_list): Likewise.
763         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
764         (function_arg_advance_ms_64): New.
765         (function_arg_advance): Call it.
766         (function_arg_ms_64): New.
767         (function_arg): Call it.
768         (function_value_ms_64): New.
769         (ix86_function_value_1): Call it.
770         (return_in_memory_ms_64): New.
771         (ix86_return_in_memory): Call it.
772         (setup_incoming_varargs_ms_64): New.
773         (ix86_setup_incoming_varargs): Call it.
774         (ix86_expand_prologue): Handle 64-bit stack probing.
775         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
776         (output_pic_addr_const): Likewise.
777         (x86_this_parameter): Likewise.
778         (x86_output_mi_thunk): Likewise.
779         (x86_function_profiler): Likewise.
780         (TARGET_STRICT_ARGUMENT_NAMING): New.
781         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
782         (TARGET_64BIT_MS_ABI): New.
783         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
784         * config/i386/i386.md (allocate_stack_worker): Remove.
785         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
786         describe the clobber of eax without a match_scratch.
787         (allocate_stack_worker_postreload): Remove.
788         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
789         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
790         (allocate_stack_worker_rex64_postreload): Remove.
791         (allocate_stack): Handle 64-bit.
792         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
793         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
794         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
795         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
796         (STANDARD_STARTFILE_PREFIX_1): Likewise.
797         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
798         * config.build (x86_64-*-mingw*): New host.
799         * config.host (x86_64-*-mingw*): New host.
800         * config.gcc (x86_64-*-mingw*): New target.
801         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
802
803 2007-03-30  Richard Henderson  <rth@redhat.com>
804             Kai Tietz  <kai.tietz@onevision.com>
805
806         * c-pragma.c (struct def_pragma_macro_value): New.
807         (struct def_pragma_macro): New.
808         (pushed_macro_table): New.
809         (dpm_hash, dpm_eq): New.
810         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
811         (init_pragma): Install them.
812         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
813
814 2007-03-30  Anatoly Sokolov <aesok@post.ru>
815
816         * config/avr/avr.c (avr_override_options): Clear
817         'flag_delete_null_pointer_checks'.
818
819 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
820
821         PR c++/26099
822         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
823         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
824         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
825         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
826         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
827         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
828         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
829         C++ extensions.
830         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
831
832 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
833
834         * regmove.c: Move all of pass_stack_adjustments from here...
835         * combine-stack-adj.c: ...to this new file.
836         * Makefile.in: Add rules for combine-stack-adj.o.
837
838 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
839
840         PR tree-optimization/31383
841         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
842         to have the same length.
843
844 2007-03-30  Jan Hubicka  <jh@suse.cz>
845
846         PR middle-end/30700
847         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
848         availablility; add more sanity checking; ask varpool only about
849         VAR_DECL.
850
851 2007-03-29  Richard Henderson  <rth@redhat.com>
852
853         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
854         to decide, but __SIZEOF_LONG_LONG__.
855
856 2007-03-29  Richard Henderson  <rth@redhat.com>
857
858         * emutls.c (struct __emutls_array): New.
859         (emutls_destroy): Use it instead of casting element 0 from void*.
860         (__emutls_get_address): Likewise.
861
862 2007-03-29  Richard Henderson  <rth@redhat.com>
863
864         * varasm.c (initializer_constant_valid_p): Don't deny
865         DECL_DLLIMPORT_P on functions.
866
867         * config/i386/cygming.h: Remove function declarations.
868         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
869         (ASM_OUTPUT_LABELREF): Remove.
870         (COMMON_ASM_OP): Remove.
871         (ASM_OUTPUT_COMMON): Remove.
872         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
873         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
874         (ASM_DECLARE_FUNCTION_NAME): Likewise.
875         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
876         Rename from TARGET_ENCODE_SECTION_INFO.
877         * config/i386/netware.h: Likewise.
878         * config/i386/i386-protos.h: Update.
879         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
880         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
881         (legitimate_constant_p): Reject dllimports.
882         (dllimport_map, get_dllimport_decl): New.
883         (legitimize_dllimport_symbol): New.
884         (legitimize_address, ix86_expand_move): Use it.
885         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
886         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
887         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
888         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
889         * config/i386/predicates.md (constant_call_address_operand): Only
890         accept symbols; reject dllimport_p symbols.
891         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
892         i386_pe_maybe_record_exported_symbol.
893         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
894         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
895         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
896         trust the setting of DECL_DLLIMPORT_P.
897         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
898         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
899         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
900         tidy the argument scanning loop.
901         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
902         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
903         (i386_pe_strip_name_encoding): Remove.
904         (i386_pe_binds_local_p): New.
905         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
906         (i386_pe_output_labelref): Remove.
907         (i386_pe_asm_output_aligned_decl_common): New.
908         (i386_pe_maybe_record_exported_symbol): Rename from
909         i386_pe_record_exported_symbol; check for dllexported symbols.
910
911 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
912
913         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
914         add comment explaining why vsnprintf cannot be used.
915
916 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
917
918         PR tree-optimization/30666
919         * tree.c (build_complex_type): When creating type names for DWARF2
920         debug info, create TYPE_DECLs for TYPE_NAME instead of
921         IDENTIFIER_NODEs.
922         (build_common_tree_nodes_2): Use build_complex_type when building
923         predefined complex types, to preserve canonical types.
924
925 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
926
927         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
928         (noce_get_alt_condition): Look at it to determine whether to
929         reverse the condition or not.
930         (noce_get_condition): Substitute the truth for lies.
931         (noce_find_if_block): Set the then_else_reversed field.
932
933 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
934
935         * config/fr30/fr30.md (movdi): Do not accept immediates as the
936         destination of this insn.
937         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
938         than calling gen_rtx_SET directly.  Use r0 to hold the value of
939         'address + 4' rather than a stack based temporary which can be
940         mis-optimized away.
941
942 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
943
944         * config/s390/s390.c (s390_secondary_input_reload_class,
945         s390_secondary_output_reload_class): Functions removed.
946         (s390_secondary_reload): New function.
947         (TARGET_SECONDARY_RELOAD): Target macro defined.
948         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
949         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
950         * config/s390/s390.md ("reload_outti", "reload_outdi",
951         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
952         "reload_out<mode>"): Expanders removed.
953         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
954         "reload<mode>_nonoffmem_out"): Expanders added.
955
956 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
957
958         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
959         SRC->DEST replacement failed anyway.
960
961 2007-03-28  Mike Stump  <mrs@apple.com>
962
963         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
964         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
965         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
966
967 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
968
969         * config.gcc: Accept barcelona as a variant of amdfam10.
970         * config/i386/i386.c (override_options): Likewise.
971         * doc/invoke.texi: Likewise.
972
973 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
974
975         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
976         offsets for BIT_FIELD_REF and COMPONENT_REF.
977
978 2007-03-28  Richard Guenther  <rguenther@suse.de>
979
980         * tree.c (is_global_var): Move ...
981         * tree-flow-inline.h (is_global_var): ... here.
982         * tree.h (is_global_var): Remove declaration.
983
984 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
985
986         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
987         option.
988         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
989         * config/i386/i386.c (ix86_tune_features): Initialize new
990         tuning option.
991         * config/i386/predicates.md (promotable_binary_operator): Use
992         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
993
994 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
995
996         PR target/31380
997         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
998
999 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1000
1001         * config/fr30/fr30.md (movsi_internal): Change destination
1002         constraint from m to V and add m to the end.
1003
1004 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1005
1006         * config/sh/sh.md (movsi_i): Fix type attribute.
1007
1008 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1009
1010         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1011         (movsf_ie): Likewise.
1012
1013 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1014
1015         * config.gcc: Add sh4-300 to multilib.
1016         * config/sh/t-mlib-sh4-300: New file.
1017
1018 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1019
1020         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
1021         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
1022         fix_trunc<mode>di2.
1023         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
1024         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
1025         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
1026         "fixuns_trunctddi2"): Whitespace fix.
1027
1028 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1029
1030         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
1031         the definition of struct sh_args.
1032         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
1033         CALL_COOKIE_INT_REG_GET): Likewise.
1034
1035 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
1036
1037         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
1038         transformations are applied successfully.
1039
1040 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
1041
1042         * tree.c (tree_contains_struct): Permit 512 tree codes.
1043         * tree.h (tree_contains_struct): Ditto.
1044         (MAX_TREE_CODES): Ditto.
1045         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1046         SPARE member to store remaining padding bits.
1047
1048 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1049
1050         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1051         architecture.
1052
1053 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1054
1055         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1056         * configure: Regenerate.
1057
1058         * configure: Regenerate using the correct version of autoconf.
1059
1060 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1061
1062         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1063         pointer regs.
1064         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
1065         regs to "__SP_L__" and "__SP_H__".
1066
1067 2007-03-27  Richard Guenther  <rguenther@suse.de>
1068
1069         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
1070         computations with it with a HOST_WIDE_INT variable.
1071
1072 2007-03-26  Mike Stump  <mrs@apple.com>
1073
1074         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
1075         objective-c-header, objective-c++-header and objc++-cpp-output
1076         support.
1077         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1078
1079 2007-03-26  Richard Henderson  <rth@redhat.com>
1080
1081         PR target/31361
1082         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
1083         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
1084         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
1085         IX86_BUILTIN_PSRLQ128): New.
1086         (ix86_init_mmx_sse_builtins): Add them.
1087         (ix86_expand_builtin): Expand them.
1088         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1089         operand 2 be TImode.
1090         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
1091         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
1092         _mm_srli_epi64): Mark __B const.
1093         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1094         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1095         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1096         new two-vector shift builtins.
1097
1098 2007-03-26  Ian Lance Taylor  <iant@google.com>
1099
1100         PR tree-optimization/31345
1101         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1102         [+INF, +INF(OVF)] into VARYING.
1103
1104 2007-03-26  Zack Weinberg  <zackw@panix.com>
1105
1106         * gengtype-parse.c: New file.
1107         * gengtype-yacc.y: Delete.
1108         * gengtype-lex.l: Don't include gengtype-yacc.h.
1109         Define YY_DECL and yyterminate appropriately for recursive
1110         descent parser.  yylval is now a string out-parameter to yylex.
1111         (HWS, EOID): New shorthand.
1112         (IWORD): Add a couple more types.
1113         (yylex): Add a setup stanza.  Remove the complex rules for
1114         detecting GTY'ed types and typedefs; replace with simple
1115         keyword detectors.  Adjust everything for the changed
1116         definition of yylval.  Ignore all pp-directives, not just #define.
1117         (yyerror): Delete.
1118         (parse_file): Rename yybegin; do not call yyparse.
1119         (yyend): New.
1120         * gengtype.c (xasprintf): Export again.
1121         (this_file): New.  Use everywhere __FILE__ was being used.
1122         (get_lang_bitmap): Special case types defined in gengtype.c.
1123         (do_typedef, new_structure): Suppress definition of certain types.
1124         (new_structure): Improve diagnostics of duplicate definitions.
1125         Make sure location_s is associated with input.h.
1126         (nreverse_pairs, define_location_structures): New functions.
1127         (main): Improve tagging of kludge types.  Remove old kludges
1128         for input.h types; use define_location_structures.
1129         * gengtype.h: Update prototypes.  Define token codes here.
1130         * Makefile.in: Remove all references to gengtype-yacc.
1131         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
1132         and gengtype.
1133         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
1134         add GTY((skip)) to the field that's only conditionally there.
1135         * doc/install.texi: Document that Bison is no longer required
1136         unless building treelang.
1137
1138         * gengtype.c: Don't include gtyp-gen.h.
1139         (srcdir): Declare here.
1140         (base_files, lang_dir_names): Allocate dynamically.
1141         (gt_files, num_gt_files, num_lang_dirs): New globals.
1142         (measure_input_list, read_input_line, read_input_list)
1143         (set_lang_bitmap): New functions.
1144         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
1145         simplify, relying on read_input_list to set up the bitmaps.
1146         (main): Arguments are no longer unused.  Check for correct number
1147         of command line arguments, set srcdir and srcdir_len, then call
1148         read_input_list, before doing anything else.  No need to worry
1149         about duplicates in main loop.
1150         * configure.ac: Simplify the calculation of all_gtfiles.
1151         Put language tags in there.  Don't set or substitute
1152         all_gtfiles_files_langs or all_gtfiles_files_frags.
1153         * Makefile.in: Revamp the way gengtype is invoked, now that it
1154         takes a file on its command line with a much simpler format.
1155         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
1156         (GTFILES): Remove duplicates and C source files.
1157         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
1158         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
1159         * configure: Regenerate.
1160
1161         * gengtype.h: Remove all type definitions to gengtype.c; leave
1162         only definitions of options_p, type_p, and pair_p as opaque
1163         pointers.  Update prototypes.
1164         * gengtype.c: Many type definitions moved here from gengtype.h.
1165         Consolidate type definitions at the top of the file.
1166         (xvasprintf): Delete.
1167         (xasprintf): Make static.
1168         (create_nested_pointer_option): Add 'next' parameter.
1169         (create_field_all, create_field_at): New functions.
1170         (create_field): Now a thin wrapper around create_field_all.
1171         (create_optional_field): Rename create_optional_field_ and add
1172         line argument.  Original name is now a macro which supplies
1173         __LINE__.
1174         (oprintf): Use vsnprintf directly.
1175         (close_output_files): Use fatal rather than perror/exit.
1176         (note_def_vec, note_def_vec_alloc): Use create_field_at.
1177         (main): Set progname.  Don't use exit.
1178         * gengtype-yacc.y (struct_fields): Use create_field_at.
1179         (option, optionseqopt): Delete.
1180         (optionseq): Consolidate productions from option here so we
1181         can use the first argument to create_option.
1182
1183         * gengtype-lex.l: Distinguish unions from structures in the
1184         token type.  Don't call find_structure; return the tag as a string.
1185         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
1186         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
1187         Reorganize typedef_struct production accordingly.
1188         Use create_nested_ptr_option.
1189         * gengtype.c (create_nested_ptr_option): New function.
1190         * gengtype.h: Declare it.
1191
1192         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
1193         (string_type): Don't declare.
1194         (do_scalar_typedef): Declare.
1195         (create_scalar_type): Update prototype.
1196         * gengtype.c (string_type): Make static.
1197         (scalar_nonchar, scalar_char): New.
1198         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
1199         (resolve_typedef): Use scalar_nonchar for error recovery.
1200         (create_scalar_type): Remove name_len field.  Return scalar_char
1201         or scalar_nonchar as appropriate.
1202         (adjust_field_type): Look at scalar_is_char boolean to decide whether
1203         to use string_type.
1204         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
1205         whenever possible.
1206         (main): Initialize scalar_char and scalar_nonchar before calling
1207         gen_rtx_next.
1208         * gengtype-lex.l: Adjust for removal of second argument to
1209         create_scalar_type.  Use yylval.s instead of yylval.t when
1210         returning SCALAR.
1211         * gengtype-yacc.y: Type of SCALAR is string.  Call
1212         create_scalar_type from type:SCALAR rule.  Adjust for removal of
1213         second argument to create_scalar_type.
1214
1215         * vec.h: Remove all #if IN_GENGTYPE blocks.
1216         Add comment saying that changes may require adjustments to gengtype.
1217         * gengtype.c: Don't include coretypes.h or tm.h.
1218         Add comment to inclusion of errors.h.
1219         (note_def_vec, note_def_vec_alloc): New functions.
1220         * gengtype.h: Declare new functions.
1221         * gengtype-lex.l: Don't include coretypes.h.
1222         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
1223         Delete.
1224         (update_lineno): Remove unnecessary prototype.
1225         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
1226         (VEC rule): Just return VEC_TOKEN.
1227         * gengtype-yacc.y (VEC_TOKEN): New token type.
1228         (type): Add a production for VEC(a,b).
1229         * Makefile.in: Update dependencies.
1230
1231         * gengtype-lex.l: Remove rules for parsing pointer-to-function
1232         typedefs that use the old PARAMS macro.
1233
1234         * gengtype-lex.l: Remove all rules and states relating to yacc
1235         input files.
1236         * gengtype-yacc.y: Similarly.
1237         * gengtype.c (note_yacc_type): Delete function.
1238         * gengtype.h: Update prototypes.
1239
1240 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
1241
1242         * tree-pretty-print.c (dump_generic_node): Report precision of
1243         unnamed integer types.
1244
1245 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
1246
1247         * ifcvt.c (noce_try_store_flag_constants): Don't check
1248         no_new_pseudos here.
1249         (noce_try_store_flag_constants): Don't check no_new_pseudos.
1250         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
1251         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
1252         noce_try_sign_mask): Likewise.
1253         (if_convert): Check no_new_pseudos here.
1254
1255         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
1256         Remove prototypes.
1257         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
1258         (noce_get_condition): Handle new then_else_reversed argument.
1259         (noce_init_if_info): Remove, fold into noce_find_if_block.
1260         (noce_process_if_block): Take a struct noce_if_info as the
1261         argument.  Don't set up one based on ce_if_info.  Update pointer
1262         references accordingly.
1263         (cond_move_process_if_block): Likewise.
1264         (process_if_block): Removed.
1265         (find_if_block): Removed.  Move functionality two new functions,
1266         noce_find_if_block and cond_exec_find_if_block.
1267         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
1268         blocks and the symmetric IF-ELSE-JOIN case.
1269         (cond_exec_find_if_block): Also new function mostly based on old
1270         find_if_block and process_if_block.
1271         (find_if_header): Replace find_if_block call with separately
1272         guarded calls to noce_find_if_block and cond_exec_find_if_block.
1273         (find_cond_trap): Update noce_get_condition call.
1274         (dead_or_predicable): Likewise.
1275
1276 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
1277
1278         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
1279         Remove.
1280         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
1281         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
1282         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
1283         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
1284         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
1285         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
1286         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
1287         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
1288         __builtin_ia32_psrad128 builtins.
1289
1290 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
1291
1292         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
1293         * config/i386/constraints.md
1294         (define_constraint "I"): Use IN_RANGE macro.
1295         (define_constraint "J"): Ditto.
1296         (define_constraint "K"): Ditto.
1297         (define_constraint "M"): Ditto.
1298         (define_constraint "N"): Ditto.
1299         (define_constraint "O"): Ditto.
1300         * config/i386/predicates.md
1301         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
1302         (define_predicate "const_0_to_3_operand"): Ditto.
1303         (define_predicate "const_0_to_7_operand"): Ditto.
1304         (define_predicate "const_0_to_15_operand"): Ditto.
1305         (define_predicate "const_0_to_63_operand"): Ditto.
1306         (define_predicate "const_0_to_255_operand"): Ditto.
1307         (define_predicate "const_1_to_31_operand"): Ditto.
1308         (define_predicate "const_2_to_3_operand"): Ditto.
1309         (define_predicate "const_4_to_7_operand"): Ditto.
1310
1311 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1312
1313         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
1314         in SImode for save_world.
1315         * config/rs6000/altivec.md (save_world, restore_world): Convert to
1316         LR hard reg.
1317
1318 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
1319
1320         PR tree-optimization/30784
1321         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
1322         BIT_FIELD_REF.
1323
1324 2007-03-25  Revital Eres  <eres@il.ibm.com>
1325
1326         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
1327           Fold movement_possibility function into it.
1328
1329 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1330
1331         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
1332         (load_macho_picbase_{si,di}): Convert to LR hard reg.
1333         (call_indirect_nonlocal_darwin64): Same.
1334         (call_nonlocal_darwin64): Same.
1335         (call_value_indirect_nonlocal_darwin64): Same.
1336         (call_value_nonlocal_darwin64): Same.
1337         (sibcall_nonlocal_darwin64): Same.
1338         (sibcall_value_nonlocal_darwin64): Same.
1339         (sibcall_symbolic_64): Same.
1340         (sibcall_value_symbolic_64): Same.
1341         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
1342         LR pseudo.
1343         (rs6000_emit_load_toc_table): Same.
1344         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
1345         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
1346         (mull_call): Same.
1347         (divss_call): Same.
1348         (divus_call): Same.
1349         (quoss_call): Same.
1350         (quous_call): Same.
1351         (load_toc_v4_pic_si): Same
1352         (load_toc_v4_PIC_1): Same.
1353         (load_toc_v4_PIC_1b): Same.
1354         (call_indirect_aix{32,64}): Same.
1355         (call_value_indirect_aix{32,64}): Same.
1356         (call): Same.
1357         (call_value): Same.
1358         (call_local{32,64}): Same.
1359         (call_value_local{32,64}): Same.
1360         (call_indirect_nonlocal_aix{32,64}): Same.
1361         (call_nonlocal_aix{32,64}): Same.
1362         (call_value_indirect_nonlocal_aix{32,64}): Same.
1363         (call_value_nonlocal_aix{32,64}): Same.
1364         (call_indirect_nonlocal_sysv<mode>): Same.
1365         (call_nonlocal_sysv<mode>): Same.
1366         (call_value_indirect_nonlocal_sysv<mode>): Same.
1367         (call_value_nonlocal_sysv<mode>): Same.
1368         (sibcall): Same.
1369         (sibcall_local{32,64}): Same.
1370         (sibcall_value_local{32,64}): Same.
1371         (sibcall_nonlocal_aix{32,64}): Same.
1372         (sibcall_value_nonlocal_aix{32,64}): Same.
1373         (sibcall_nonlocal_sysv<mode>): Same.
1374         (sibcall_value): Same.
1375         (sibcall_value_nonlocal_sysv<mode>): Same.
1376
1377 2007-03-24  Paul Brook  <paul@codesourcery.com>
1378
1379         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
1380         * config/arm/linux-eabi.h: Remove legacy syscall hack.
1381
1382 2007-03-24  Richard Henderson  <rth@redhat.com>
1383
1384         * config/ia64/constraints.md: New file.
1385         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
1386         satisfies_constraint_?.
1387         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
1388         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
1389         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
1390         ia64_output_mi_thunk): Likewise.
1391         (ia64_const_ok_for_letter_p): Remove.
1392         (ia64_const_double_ok_for_letter_p): Remove.
1393         (ia64_extra_constraint): Remove.
1394         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
1395         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
1396         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
1397         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
1398         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
1399         EXTRA_MEMORY_CONSTRAINT): Remove.
1400         * config/ia64/ia64.md: Include constriants.md.  Replace
1401         CONST_OK_FOR_? with satisfies_constraint_?.
1402
1403 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
1404             H.J. Lu  <hongjiu.lu@intel.com>
1405
1406         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
1407         DPD or BID name.
1408         (name macros): Use DPD_BID_NAME to convert names properly.
1409
1410         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
1411         decimal floating point format.
1412         (init_floating_libfuncs): Change decimal functions so that they
1413         have a "bid_" prefix if the decimal system uses the BID format,
1414         and "dpd_" prefix if the decimal system uses the DPD format.
1415         (init_interclass_conv_libfuncs): Ditto.
1416         (init_intraclass_conv_libfuncs): Ditto.
1417
1418         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1419         using the BID format.
1420
1421         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1422         whether we are using the BID decimal format.
1423         * configure: Regenerate.
1424
1425         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1426         the compiler has decimal floating point enabled.  Define
1427         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1428         instead of DPD.
1429
1430         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1431         using the BID format.
1432
1433         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1434         whether we are using the BID decimal format.
1435         * configure: Regenerate.
1436
1437         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1438         the compiler has decimal floating point enabled.  Define
1439         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1440         instead of DPD.
1441
1442         * doc/install.texi (--enable-decimal-float): Document BID and DPD
1443         options, and that it is enabled for i386/x86_64 systems.
1444
1445         * Makefile.in (enable_decimal_float): New.
1446         (DECNUMFMT): New.
1447         (DECNUMINC): Add  -I$(DECNUMFMT).
1448         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
1449         to $(DECNUMFMT) from $(DECNUM).
1450
1451         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
1452         Substitute enable_decimal_float.
1453         * configure: Regenerated.
1454
1455         PR other/30529
1456         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
1457         unsigned long.
1458
1459         * configure.ac: Enable decimal float for x86_64-*-linux*.
1460         * configure: Regenerated.
1461
1462         PR other/30530
1463         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
1464         decimal128ClearSign to flip and clear the sign bit in decimal128.
1465         (decimal_real_maxval): Set decimal128SetSign to set the sign
1466         bit in decimal128.
1467
1468 2007-03-23  Ian Lance Taylor  <iant@google.com>
1469
1470         * fold-const.c (fold_binary): Correct warning for X - c >= X.
1471
1472 2007-03-23  Ian Lance Taylor  <iant@google.com>
1473
1474         * tree-dump.c (dump_files): Correct comment.
1475
1476 2007-03-23  Ian Lance Taylor  <iant@google.com>
1477
1478         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
1479
1480 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
1481
1482         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
1483         in cfglayout mode.  Don't go into and out of cfglayout mode.
1484         Link the blocks in the order of the constructed traces.
1485         (rest_of_handle_tracer): Adjust call to tracer.
1486         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
1487         Don't go into cfglayout mode.
1488         (rtl_loop_done): Don't go out of cfglayout mode.
1489         * cfglayout.c (relink_block_chain): New function, split out from...
1490         (fixup_reorder_chain): ...here.  Remove redundant checking.
1491         (cfg_layout_finalize): Don't clear the header, footer, and aux
1492         fields here, move the code to do so to relink_block_chain.  Likewise
1493         for free_original_copy_tables.
1494         * rtl.h (tracer): Update prototype.
1495         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
1496         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
1497         mode.  Use relink_block_chain to serialize the CFG according to the
1498         new basic block order.  Move targetm.cannot_modify_jumps_p check from
1499         here...
1500         (gate_handle_reorder_blocks): ...to here.
1501         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
1502         from here...
1503         (gate_duplicate_computed_gotos): ...to here.
1504         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
1505         something always changes when going into and out of cfglayout mode.
1506         Perform an expensive cfg cleanup while going into cfglayout mode.
1507         Always update liveness information on HAVE_conditional_execution
1508         targets.  Reserialize the basic blocks and go out of cfglayout mode.
1509         * reg-stack.c: Include cfglayout.h.
1510         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
1511         the call to reorder_basic_blocks.
1512         * basic-block.h (reorder_basic_blocks): Update prototype.
1513         (relink_block_chain): New prototype.
1514         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1515
1516 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1517
1518         * config/mips/mips.md (type, hazard, *movdi_32bit,
1519         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1520         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1521         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1522         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1523         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1524         applicable.
1525         (movcc): Change first xfer to multi.
1526         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1527         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1528         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1529         config/mips/generic.md: Change reservations using "xfer" to use
1530         "mfc,mtc".
1531         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1532         using match_operand.
1533         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1534         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1535         examining mode.
1536         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1537
1538 2007-03-22  Richard Henderson  <rth@redhat.com>
1539
1540         * config/i386/i386.c: Remove unnecessary function declarations.
1541         Move targetm definition, and all related macros, to the end of
1542         the file.  Resort some functions to put definitions before uses.
1543         (ix86_attribute_table): Make static.  Move to end of file.
1544         (ix86_gimplify_va_arg): Make static.
1545
1546 2007-03-22  Richard Henderson  <rth@redhat.com>
1547
1548         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1549         don't increase local_regparm with force_align_arg_pointer check.
1550         (ix86_function_sseregparm): Assert 32-bit.
1551         (type_has_variadic_args_p): New.
1552         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1553         type_has_variadic_args_p.
1554         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1555         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1556         use memset instead.  Do maybe_vaarg check first; skip attribute
1557         tests if true; skip attribute tests for 64-bit.
1558         (construct_container): Remove TARGET_DEBUG_ARG.
1559         (function_arg_advance_32, function_arg_advance_64): Split out ...
1560         (function_arg_advance): ... from here.
1561         (function_arg_32, function_arg_64): Split out ...
1562         (function_arg): ... from here.
1563         (ix86_pass_by_reference): Tidy.
1564         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1565         (function_value_32): New, from parts of ix86_function_value
1566         and ix86_value_regno.
1567         (function_value_64): New, from parts of ix86_function_value
1568         and ix86_libcall_value.
1569         (ix86_function_value_1): New.
1570         (ix86_function_value, ix86_libcall_value): Use it.
1571         (return_in_memory_32, return_in_memory_64): Split out ...
1572         (ix86_return_in_memory): ... from here.
1573         (ix86_struct_value_rtx): Skip for 64-bit.
1574         (ix86_libcall_value, ix86_value_regno): Remove.
1575         (setup_incoming_varargs_64): Split out ...
1576         (ix86_setup_incoming_varargs): ... from here.
1577         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1578         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1579         * config/i386/i386-protos.h (ix86_function_value): Remove.
1580         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1581
1582 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1583
1584         PR other/23572
1585         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1586         infinities not supported, otherwise emit warning if -Woverflow. On
1587         underflow, emit warning if -Woverflow.
1588         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1589         and 0 otherwise.
1590         * real.h (real_from_string): Update declaration
1591
1592 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1593             Richard Henderson  <rth@redhat.com>
1594
1595         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1596         * calls.c (compute_argument_block_size, expand_call,
1597         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1598         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1599         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1600         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1601         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1602         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1603         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1604         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1605         Set to 1.
1606
1607 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1608
1609         * c-incpath.c (add_sysroot_to_chain): New.
1610         (merge_include_chains): Add sysroot argument.  Call
1611         add_sysroot_to_chain if sysrooted.
1612         (register_include_chains): Update call to merge_include_chains.
1613         * doc/cppopts.texi: Document use of '=' in include directory
1614         arguments.
1615
1616 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1617
1618         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1619         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1620         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1621         insn pattern using X87MODEF12 mode macro.
1622
1623 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1624
1625         * regmove.c (regmove_optimize): Use reg_mentioned_p
1626         instead of reg_overlap_mentioned_p for DST.
1627
1628 2007-03-21  Mike Stump  <mrs@apple.com>
1629
1630         * c.opt: Fixup for Objective-C/C++.
1631
1632 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1633
1634         * explow.c (convert_memory_address): Fold memory reference when
1635         POINTERS_EXTEND_UNSIGNED < 0
1636
1637 2007-03-21  Richard Henderson  <rth@redhat.com>
1638
1639         PR target/31245
1640         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1641         * config/i386/mmintrin.h (__m64): Likewise.
1642         * config/i386/xmmintrin.h (__m128): Likewise.
1643
1644 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1645
1646         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
1647         (VXWORKS_OS_CPP_BUILTINS): Define.
1648         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
1649         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
1650
1651 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1652
1653         * rtl.h (constant_pool_reference_p): Delete.
1654         (find_constant_src): Declare.
1655         * rtlanal.c (find_constant_src): New function.
1656         * simplify-rtx.c (constant_pool_reference_p): Delete.
1657         * config/i386/i386.md: Use find_constant_src instead of
1658         constant_pool_reference_p/avoid_constant_pool_reference pairs.
1659
1660 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1661
1662         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
1663         * c-cppbuiltin.c (c_cpp_builtins): Define them.
1664
1665 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
1666
1667         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
1668         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
1669         (arm_elf_asm_constructor): Use it.
1670         (arm_elf_asm_destructor): New function.
1671
1672 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1673
1674         * jump.c (mark_jump_label): Treat SEQUENCE specially.
1675
1676 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
1677
1678         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
1679
1680 2007-03-19  Andrew Haley  <aph@redhat.com>
1681
1682         PR tree-optimization/31264
1683         * tree-vrp.c (register_edge_assert_for_1): Don't look though
1684         VIEW_CONVERT_EXPRs.
1685
1686 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
1687
1688         PR rtl-optimization/30907
1689         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
1690         (fwprop_init): Always call loop_optimizer_initialize.
1691         (fwprop_done): Always call loop_optimizer_finalize.
1692         (fwprop): We always have loop info now.
1693         (gate_fwprop_addr): Remove.
1694         (pass_fwprop_addr): Use gate_fwprop as gate.
1695
1696         PR rtl-optimization/30841
1697         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
1698         df_chain_alloc): Call df_reorganize_refs unconditionally.
1699         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
1700         refs_organized to refs_organized_size.
1701         (df_ref_create_structure): Use refs_organized_size instead of
1702         bitmap_size if refs had been organized, and keep refs_organized_size
1703         up-to-date.
1704         * df.h (struct df_ref_info): Change refs_organized to
1705         refs_organized_size.
1706         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
1707         bitmap_size.
1708
1709 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
1710
1711         * except.c (output_function_exception_table): Do not reference the
1712         EH personality routine for functions that do not require an
1713         exception table.
1714
1715 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
1716
1717         PR c/30762
1718         * c-typeck.c (convert_for_assignment): Call comptypes for
1719         RECORD_TYPE or UNION_TYPE.
1720
1721         PR inline-asm/30505
1722         * reload1.c (reload): Do invalid ASM checking after
1723         cleanup_subreg_operands.
1724
1725 2007-03-19  Jeff Law  <law@redhat.com>
1726
1727         * tree-cfg.c (find_taken_edge): Tighten conditions for
1728         optimizing computed gotos.
1729
1730 2007-03-19  Michael Matz  <matz@suse.de>
1731
1732         * builtins.c (expand_builtin_sync_operation,
1733         expand_builtin_compare_and_swap,
1734         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
1735         correctly.
1736
1737         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
1738         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
1739         for operand 3.
1740
1741 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1742
1743         * doc/tm.texi: Add brackets around the return type of
1744         TARGET_SECONDARY_RELOAD.
1745
1746 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1747         Richard Guenther  <rguenther@suse.de>
1748
1749         PR tree-optimization/31254
1750         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1751         Use handled_component_p () where appropriate.  Continue
1752         propagating into the rhs if we propagated into an INDIRECT_REF
1753         on the lhs.
1754
1755 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1756
1757         * config/s390/s390.md (op_type attribute): RRR instruction type added.
1758         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
1759         (xde, xdee): Mode attributes adjusted to support DFP modes.
1760         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
1761         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
1762         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
1763         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
1764         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
1765         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1766         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
1767         numbers.
1768         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
1769         "movsf"): Insn definitions removed.
1770         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
1771         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
1772         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
1773         definitions added.
1774         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
1775         "reload_in<mode>", "reload_out<mode>"): Expander added.
1776         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
1777         Expander removed.
1778
1779 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1780
1781         * config/s390/s390.md: Only non-functional changes.  Renamed
1782         FPR mode macro to BFP all over the file.
1783
1784 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1785
1786         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
1787         (op_type attribute): RRF instruction type added.
1788         (fT0): New mode attribute.
1789         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1790         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
1791         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
1792         no secondary memory is needed when moving DFmode values between GPRs
1793         and FPRs.
1794
1795 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1796
1797         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
1798         inverted and documentation adjusted.
1799         ("mhard-dfp", "msoft-dfp"): New options.
1800         * config/s390/s390.c (s390_handle_arch_option): New architecture
1801         switch: z9-ec.
1802         (override_options): Sanity checks for the new options added.
1803         * config.gcc: New architecture switch: z9-ec.
1804         * config/s390/s390.h (processor_flags): PF_DFP added.
1805         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
1806         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
1807         when the bit is NOT set so remove it from the defaults.
1808
1809 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1810
1811         * genemit.c (main): Print include statement for dfp.h.
1812         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
1813         is not available.
1814
1815 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1816
1817         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
1818
1819 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1820
1821         PR target/31022
1822         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
1823         instead of PATTERN.
1824
1825 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1826
1827         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
1828         attr_length_call, output_call, output_indirect_call): Cleanup
1829         formatting of targetm calls.
1830
1831 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1832
1833         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
1834
1835 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1836
1837         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
1838         reservation, bypass and anti-bypass descriptions for these instructions.
1839         Update move patterns.
1840         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
1841         TYPE_FPSTORE.
1842
1843 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
1844
1845         * tree-vect-transform.c (get_initial_def_for_induction): Replace
1846         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
1847         (get_initial_def_for_reduction): Likewise.
1848
1849 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
1850
1851         Fix PR tree-optimization/29922
1852         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
1853         (get_representative): Removed.
1854         (value_dies_in_block_x): Update for rvuse removal.
1855         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
1856         (compute_antic_aux): Handle when PHI nodes appear in
1857         non-single-successors.
1858         (dump_bitmap_of_names): Removed.
1859         (compute_antic_safe): Renamed and removed rvuse calculation.
1860         Calculate only antic safe.
1861         (insert_into_preds_of_block): Remove assert.
1862         (execute_pre): Update for renamed functions.
1863         (defer_or_phi_translate_block): New function.
1864
1865 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1866
1867         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
1868         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
1869         typos.
1870         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
1871         Follow spelling conventions.
1872
1873         * tree-data-ref.h: Remove the prototype for analyze_array.
1874
1875 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
1876
1877         PR tree-optimization/31041
1878         * tree-vect-transform.c (get_initial_def_for_induction): Call
1879         force_gimple_operand.
1880
1881 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
1882
1883         * ipa-type-escape.c (look_for_casts) : Revert code to use
1884         handled_component_p due to ada test a-numaux.adb.
1885
1886 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1887
1888         * final.c (final_scan_insn): Alter the condition of a
1889         conditional trap if we have nonstandard CC.
1890
1891 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1892
1893         * configure.ac: Remove excess quoting from asm line 0 test.
1894         * configure: Rebuilt.
1895
1896 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1897
1898         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
1899         * c-common.c (convert_and_check): Move warning logic to...
1900         (warnings_for_convert_and_check): ...here. Define.
1901         * c-common.h (warnings_for_convert_and_check): Declare.
1902
1903 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1904
1905         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1906         (output_call): Likewise.
1907
1908 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1909
1910         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
1911
1912 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1913
1914         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
1915
1916 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
1917
1918         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
1919         opteron, athlon-64 and athlon-fx processor_alias_table entries.
1920
1921 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
1922
1923         PR tree-optimization/31183
1924         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1925         Use double_int instead of unsigned int for representing access_strides.
1926         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
1927
1928 2007-03-16  Richard Guenther  <rguenther@suse.de>
1929
1930         PR tree-optimization/31146
1931         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
1932         to allow recursion of forward_propagate_addr_expr.
1933         (forward_propagate_addr_into_variable_array_index): Likewise.
1934         (forward_propagate_addr_expr): Likewise.
1935         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1936         (forward_propagate_addr_expr_1): Recurse on simple copies
1937         instead of propagating into them.  Do so for useless conversions
1938         as well.
1939         (forward_propagate_addr_expr): Clean up unused statements after
1940         recursion.
1941
1942 2007-03-16  Richard Guenther  <rguenther@suse.de>
1943
1944         * builtins.c (expand_builtin_cexpi): Use the right argument
1945         for the expansion via cexp.
1946
1947 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1948
1949         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
1950         * configure: Rebuilt.
1951
1952 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1953
1954         PR debug/29906
1955         * dwarf2out.c (force_type_die): Adjust comment.
1956         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
1957
1958 2007-03-15  DJ Delorie  <dj@redhat.com>
1959
1960         * config/frv/predicates.md (minmax_operator): Don't check operands
1961         here.
1962
1963 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1964
1965         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
1966         Update constant estimates of number of iterations.
1967         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
1968         argument renamed to "realistic".
1969         (compute_estimated_nb_iterations): Removed.
1970         (record_niter_bound): New function.
1971         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
1972         call record_nonwrapping_iv with upper = false.
1973         (infer_loop_bounds_from_signedness): Pass upper argument to
1974         record_nonwrapping_iv.
1975         (estimate_numbers_of_iterations_loop): Do not call
1976         compute_estimated_nb_iterations.  Record estimate based on profile
1977         information.  Initialize the constant estimates of number of
1978         iterations.
1979         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
1980         estimates.
1981         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
1982         number of iterations is too small.
1983         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
1984         (EST_NOT_AVAILABLE): Removed.
1985         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
1986         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
1987         fields.
1988
1989 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1990
1991         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
1992         Handle NE_EXPR guards.
1993
1994 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1995
1996         PR c++/24924
1997         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
1998         Set also -pedantic-errors by default for the  preprocessor unless
1999         -fpermissive is given.
2000
2001 2007-03-15  Richard Guenther  <rguenther@suse.de>
2002
2003         PR middle-end/29719
2004         PR middle-end/31161
2005         * builtins.c (expand_builtin_cexpi): As a fallback if we
2006         don't have builtins for sincos or cexp create a function
2007         declaration for cexp and expand to a call to that.
2008         (expand_builtin_int_roundingfn): Always fall
2009         back to floor/ceil and its variants even if they may be
2010         not available.
2011
2012 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2013
2014         PR middle-end/31159
2015         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2016         jump tables, move the call to delete_dead_jumptables from here...
2017         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2018         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2019         don't allow merging of blocks that try_redirect_by_replacing_jump
2020         also does not handle when not optimizing.
2021
2022 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2023             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2024
2025         * config/i386/i386.md (x86_sahf_1): Correctly handle
2026         HAVE_AS_IX86_SAHF.
2027
2028 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2029
2030         PR target/31167
2031         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
2032         x86_64_general_operand as operand[2] predicate.  Remove "iF"
2033         from operand constraints and use "e" constraint instead.
2034         (*subti3_1, *subti3_1 splitter): Ditto.
2035         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
2036         operand[1] predicate.
2037
2038 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
2039
2040         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
2041         arrays, multiply the access strides by the size of the sub-array.
2042         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2043
2044 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2045
2046         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2047         the configured assembler supports the sahf mnemonic.
2048         * configure: Regenerate.
2049         * config.in: Regenerate.
2050
2051         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2052         emit "sahf" or ".byte\t0x9e" as asm template.
2053
2054 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2055
2056         PR 31018
2057         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2058         option to replace hard coded TARGET_xxx in md file.
2059         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2060         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2061         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2062         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2063         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2064         (X86_TUNE_NOT_VECTORMODE): Ditto.
2065         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
2066         (TUNE_AVOID_VECTOR_DECODE): Ditto.
2067         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2068         (TUNE_SLOW_IMUL_IMM8): Ditto.
2069         (TUNE_MOVE_M1_VIA_OR): Ditto.
2070         (TUNE_NOT_UNPAIRABLE): Ditto.
2071         (TUNE_NOT_VECTORMODE): Ditto.
2072
2073         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
2074         options.
2075
2076         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
2077         tuning options instead of hard coded TARGET_xxx.
2078         (fix ssemode peephole2's): Ditto.
2079         (imul peephole2's): Ditto.
2080         (movsi_or): Ditto.
2081         (movdi_or_rex64): Ditto.
2082         (move peephole2): Ditto.
2083         (not peephole2's): Ditto.
2084
2085 2007-03-14  Dirk Mueller  <dmueller@suse.de>
2086
2087         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
2088         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
2089         * c-parser.c (c_parser_if_body): Always add an empty statement in case
2090         of empty body.
2091         * c-parser.c (c_parser_do_statement): Warn about empty body in
2092         do/while statement.
2093         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
2094         * doc/invoke.texi (-Wempty-body): Update documentation.
2095
2096 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2097
2098         PR c/21438
2099         * c-common.h (warn_for_div_by_zero): Declare.
2100         * c-common.c (warn_for_div_by_zero): Define.
2101         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
2102         warning.
2103
2104 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2105
2106         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
2107         to PREFIX and STANDARD_PREFIX.
2108
2109 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2110             Phil Edwards  <phil@codesourcery.com>
2111
2112         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
2113         (__gthread_once_t): Remove busy field for RTPs.
2114         (__GTHREAD_ONCE_INIT): Update accordingly.
2115
2116 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2117
2118         * doc/invoke.texi: Document VxWorks options.
2119
2120 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2121
2122         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
2123
2124 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
2125
2126         PR tree-optimization/30590
2127         * tree-nrv.c (tree_nrv): Check for the partial update of the
2128         return value.
2129
2130 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2131
2132         * flags.h (flag_random_seed): Remove declaration, in favor of...
2133         * toplev.h (get_random_seed, set_random_seed): ... these.
2134         * tree.c (get_file_function_name): Use the former.
2135         * opts.c (common_handle_option): Use the latter.
2136         * toplev.c
2137
2138 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
2139
2140         PR middle-end/31127
2141         * cse.c (cse_find_path): Do not bail out if a basic block that
2142         we already visited now becomes part of a path that starts at a
2143         different basic block.  Just disallow this, to make sure we
2144         visit each basic block at most once.
2145
2146 2007-03-13  Jan Hubicka  <jh@suse.cz>
2147
2148         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
2149         when profile esitmate is present, calls with very low frequency are
2150         cold.
2151
2152 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
2153
2154         PR tree-optimization/30730
2155         PR tree-optimization/26900
2156         * tree-ssa-loop-niter.c: Include gmp.h.
2157         (bounds): New type.
2158         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
2159         split_to_var_and_offset, determine_value_range,
2160         bound_difference_of_offsetted_base, refine_bounds_using_guard,
2161         bound_difference, bounds_add, bounds_negate,
2162         number_of_iterations_ne_max, dump_affine_iv): New functions.
2163         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2164         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
2165         difference of initial and final value of control iv to validate
2166         results.
2167         (number_of_iterations_cond): Add loop parameter.  Determine bounds
2168         on the difference of the extremes of the control iv.  Add dumps.
2169         (expand_simple_operations): Handle phi nodes.
2170         (simplify_using_initial_conditions): Do not record used conditions.
2171         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
2172         Do not set additional_info.
2173         (implies_nonnegative_p, implies_ge_p): Removed.
2174         (derive_constant_upper_bound): Do not use parameter `additional'.
2175         (record_estimate): Parameter `additional' removed.  Parameter
2176         `i_bound' added.  Do not call derive_constant_upper_bound.
2177         (record_nonwrapping_iv): Use derive_constant_upper_bound to
2178         bound the number of iterations estimate.
2179         (estimate_numbers_of_iterations_loop): Pass the estimate from
2180         the number of iterations analysis to record_estimate.
2181         * tree.h (multiple_of_p): Declare.
2182         * tree-scalar-evolution.c (expression_expensive_p): Removed.
2183         (scev_const_prop): Do not check expression_expensive_p.
2184         * fold-const.c (multiple_of_p): Exported.
2185         * double-int.c (double_int_mask): Exported.
2186         * double-int.h (double_int_mask): Declare.
2187         * tree-flow.h (struct tree_niter_desc): Removed additional_info
2188         field.  Added max field.
2189
2190 2007-03-13  David Taylor  <taylor@candd.org>
2191
2192         PR driver/12448:
2193         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
2194         default -MQ.
2195
2196 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2197
2198         PR target/31123
2199         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
2200         two unamed patterns.
2201
2202 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
2203
2204         * config/i386/i386.opt (mcx16, msahf): New options.
2205         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
2206         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
2207
2208         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
2209         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
2210         Output -mcx16 and -msahf options when corresponding bit is set.
2211
2212         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
2213         and -msahf options.
2214
2215 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2216
2217         * configure.ac: Test for assembler tolerance to # 0 "".
2218         * configure, config.in: Rebuilt.
2219         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
2220
2221 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
2222
2223         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
2224
2225         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
2226         (handle_syscall): Handle direct system calls.
2227         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
2228
2229 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2230
2231         * doc/invoke.texi: Fix cpp.info cross-reference.
2232         * doc/passes.texi: Fix gcc.info cross-reference.
2233
2234 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
2235
2236         PR tree-optimization/30835
2237         * lambda-code.c (can_convert_to_perfect_nest): Check whether
2238         bb_for_stmt is not NULL before accessing it.
2239
2240 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
2241
2242         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
2243         some multilibs.
2244
2245 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2246
2247         PR 30635
2248         * doc/install.texi: Document --enable-stage1-languages
2249
2250 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
2251
2252         * tree-pass.h (pass_into_cfg_layout_mode,
2253         pass_outof_cfg_layout_mode): Declare.
2254         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
2255         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
2256         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
2257         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
2258
2259 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
2260
2261         * c-decl.c (warn_variable_length_array): New function.
2262         Refactored from grokdeclarator to handle warn_vla
2263         and handle unnamed array case.
2264         (grokdeclarator): Refactored VLA warning case.
2265         * c.opt (Wvla): New flag.
2266         * doc/invoke.texi (Wvla): New warning.
2267
2268 2007-03-12  Richard Henderson  <rth@redhat.com>
2269
2270         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
2271         (TARGET_SECTION_TYPE_FLAGS): New.
2272
2273 2007-03-12  Richard Henderson  <rth@redhat.com>
2274
2275         * config/darwin.c (machopic_reloc_rw_mask): New.
2276         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
2277         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
2278
2279 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
2280
2281         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
2282         * cppdefault.h (cpp_PREFIX): Document.
2283         (cpp_PREFIX_len): Likewise.
2284         (cpp_EXEC_PREFIX): New variable.
2285         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
2286         * c-incpath.c (add_standard_paths): Correct logic for relocating
2287         paths within prefix.
2288
2289 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
2290
2291         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
2292         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
2293         mode macro.
2294         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
2295         fix_truncdfdi_sse using SSEMODEF mode macro.
2296         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
2297         fix_truncdfsi_sse using SSEMODEF mode macro.
2298         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
2299         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
2300
2301 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
2302
2303         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
2304         elfos.h to tm_file.
2305
2306 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
2307
2308         * tree.h : Add multiple_of_p declaration.
2309         * fold-const.c (multiple_of_p): Make multiple_of_p public.
2310         * ipa-type-escape.c (results_of_malloc): Redundant.
2311         (visited_stmts): New. Visited stmt for walk_use_def_chains.
2312         (cast_type): Extended with new members.
2313         (check_cast): Returns cast_type.
2314         (cast): New structure for data of walk_use_def_chains.
2315         (is_malloc_result, is_cast_from_non_pointer_1,
2316         is_cast_from_non_pointer,
2317         is_array_access_through_pointer_and_index): New functions.
2318         (look_for_casts): Returns cast types.
2319         (check_call): Returns void.
2320         (okay_pointer_operation): Use support of pointer plus index,
2321         pointer plus constant and allow all multiplications.
2322
2323 2007-03-11  Richard Guenther  <rguenther@suse.de>
2324
2325         PR tree-optimization/31115
2326         * tree-vrp.c (extract_range_from_binary_expr): Make sure
2327         the shift count is positive and non-anti-range for RSHIFT_EXPR.
2328         A shift count of zero is not special as with *_DIV_EXPR.
2329         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
2330         direction.
2331
2332 2007-03-11  Ian Lance Taylor  <iant@google.com>
2333
2334         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
2335         the *_DIV_EXPR codes correctly with overflow infinities.
2336
2337 2007-03-11  Ira Rosen  <irar@il.ibm.com>
2338
2339         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
2340         indicate success/failure of the analysis. Add negation to subtrahend
2341         in case of subtraction. Fail if both operands contain constants.
2342         (create_data_ref): Fail if analyze_offset fails.
2343
2344 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
2345
2346         * config/i386/i386.md (frndintxf2): Rename to ...
2347         (rintxf2): ... this. Remove expander having same name.
2348         (rintsf2, rintdf2): Implement using SSEMODEF macro.
2349         (roundsf2, rounddf2): Ditto.
2350         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
2351         (lround<mode>di2, lround<mode>si2): Ditto.
2352
2353 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
2354
2355         * lower-subreg.c: Include except.h.
2356         (decompose_multiword_subregs): Verify that the only control flow
2357         insns we can split are loads to multi-words pseudos.
2358         Handle breaking such blocks after splitting, instead of calling
2359         find_many_sub_basic_blocks.
2360
2361         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
2362         on the new basic block.  Add a lengthy comment explaining why we
2363         thought this was necessary.
2364         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
2365
2366 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
2367
2368         PR c++/30924
2369         * tree.c (walk_type_fields): Recurse into the element type of
2370         ARRAY_TYPEs if there is a pointer set.
2371
2372 2007-03-10  Dirk Mueller  <dmueller@suse.de>
2373
2374         * c-common.c (warn_logical_operator): Fix condition.
2375
2376 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
2377
2378         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
2379         quotation mark.
2380         * config/darwin.c (machopic_select_section): Remove superfluous
2381         argument in call to categorize_decl_for_section.  Remove unused
2382         variable shlib.
2383
2384 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
2385
2386         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
2387         defined.
2388         * configure: Regenerate.
2389
2390 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
2391
2392         PR target/31101
2393         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
2394         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
2395         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
2396         Add LABEL_NUSES to emitted label.
2397         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
2398         branch probability value to emitted jump insn.
2399         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
2400         Do not check life information and do not re-arrange input operands
2401         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
2402
2403 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2404
2405         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
2406         the change of decode_asm_operands.
2407
2408 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2409
2410         * mode-switching.c (create_pre_exit): Skip blockage insn.
2411
2412 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
2413
2414         * tree-pass.h (TODO_update_smt_usage): Remove.
2415         Update all users.
2416         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2417         argument SOME.
2418         Update all users.
2419
2420 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2421
2422         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
2423         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
2424         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
2425         SOM target.
2426
2427 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
2428
2429         * gcc.c: Document %{, in big comment at top.
2430         (input_suffix_matches): Remove special handling for .s and
2431         .S.
2432         (input_spec_matches): New.
2433         (handle_braces): Handle %{,.
2434         (validate_switches): ',' indicates a value which is not a switch.
2435         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
2436         to detect assembler input.
2437         * config/i386/sol2.h (CPP_SPEC): Likewise.
2438         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
2439         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2440         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
2441         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2442         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
2443         -m64 causes deployment target to default to 10.5.
2444         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2445
2446 2007-03-09  Richard Henderson  <rth@redhat.com>
2447
2448         PR target/26090
2449         * target.h (targetm.asm.out.reloc_rw_mask): New.
2450         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
2451         (TARGET_ASM_OUT): Use it.
2452         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
2453         * varasm.c (categorize_decl_for_section): Remove shlib argument;
2454         use the new reloc_rw_mask target hook instead.
2455         (default_section_type_flags_1): Merge into...
2456         (default_section_type_flags): ... here.
2457         (decl_readonly_section_1): Merge into...
2458         (decl_readonly_section): ... here.
2459         (default_elf_select_section_1): Merge into...
2460         (default_elf_select_section): ... here.
2461         (default_unique_section_1): Merge into...
2462         (default_unique_section): ... here.
2463         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
2464         (default_select_rtx_section): Use it.
2465         (default_elf_select_rtx_section): Likewise.
2466         * output.h: Update to match.
2467         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
2468         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
2469         (TARGET_ASM_RELOC_RW_MASK): New.
2470         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
2471         to categorize_decl_for_section.
2472         (x86_64_elf_unique_section): Likewise.
2473         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
2474         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
2475         (TARGET_ASM_RELOC_RW_MASK): New.
2476         * config/ia64/ia64.c (ia64_rwreloc_select_section,
2477         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
2478         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
2479         (TARGET_RWRELOC): Remove.
2480         (ia64_section_type_flags): Adjust call to default_section_type_flags.
2481         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2482         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
2483         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
2484         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
2485         (rs6000_xcoff_select_section): Use decl_readonly_section.
2486         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
2487         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2488         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
2489         (TARGET_SECTION_TYPE_FLAGS): Remove.
2490         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
2491
2492 2007-03-09  Roger Sayle  <roger@eyesopen.com>
2493
2494         * fold-const.c (fold_comparison): Remove compile-time evaluation of
2495         complex constant equality/inequality comparisons for here.
2496         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
2497         known at compile-time or can be simplified to a scalar comparison.
2498         (fold_relational_const): Move compile-time evaluation of complex
2499         constant equality/inequality comparisons to here.
2500
2501 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2502
2503         PR rtl-optimization/30643
2504         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
2505         dest_addr_elt.
2506         (fold_rtx): Recurse, like before 2006-11-03.
2507
2508 2007-03-09  DJ Delorie  <dj@redhat.com>
2509
2510         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
2511         m32c-pragma.o.
2512
2513 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2514
2515         PR tree-optimization/30375
2516         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2517         LHS of statements is not the same.
2518         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2519
2520 2007-03-09  Chao-ying Fu  <fu@mips.com>
2521
2522         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2523         REV 2.
2524         * doc/invoke.texi (-mdspr2): Document new option.
2525         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2526         New unspec for DSP REV 2.
2527         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2528         these instructions are extended in DSP REV 2.
2529         (mips-dspr2.md): Include.
2530         * config/mips/mips.opt (mdspr2): New option.
2531         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2532         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2533         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2534         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2535         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2536         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2537         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2538         and 2 builtins.
2539         (bdesc_map): Add one field of unsupported_target_flags.
2540         (bdesc_arrays):  Update entries to have extra fields.  Add
2541         dsp_32only_bdesc.
2542         (mips_init_builtins): Initialize new function types.
2543         Check unsupported_target_fileds to filter out builtins.
2544         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2545         TARGET_DSPR2.
2546         (ASM_SPEC): Pass mdspr2 to the assembler.
2547         * config/mips/mips-dspr2.md: New file.
2548
2549 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2550
2551         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2552
2553 2007-03-09  Ian Lance Taylor  <iant@google.com>
2554
2555         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2556         argument) like -Wstrict-overflow=2.
2557         * doc/invoke.texi (Warning Options): Update documentation.
2558
2559 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2560
2561         PR c++/17946
2562         * doc/invoke.texi (-Wlogical-op): Document.
2563         * common.opt (-Wlogical-op): New.
2564         * c-common.h (warn_logical_operator): Declare.
2565         * c-common.c (warn_logical_operator): Define.
2566         * c-typeck.c (parser_build_binary_op): Call
2567         warn_logical_operator.
2568
2569 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2570
2571         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2572         * final.c (final_scan_insn): Test for non-"" file name.
2573
2574 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2575
2576         * doc/loop.texi: Document the Omega linear constraints solver.
2577         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2578         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2579         omega-hash-table-size, omega-max-keys, and
2580         omega-eliminate-redundant-constraints.
2581         * tree-pass.h (pass_check_data_deps): Declared.
2582         * omega.c: New.
2583         * omega.h: New.
2584         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2585         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2586         pass_check_data_deps): New.
2587         * tree-data-ref.c (init_data_ref): Remove declaration.
2588         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2589         (analyze_array): Renamed init_array_ref, move up initializations.
2590         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2591         Removed arguments that are set to NULL.
2592         (analyze_indirect_ref): Correct indentation, correct call to
2593         init_pointer_ref.
2594         (object_analysis): Call init_array_ref instead of analyze_array.
2595         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2596         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2597         of DR_ACCESS_FNS_ADDR.
2598         (init_omega_eq_with_af, omega_extract_distance_vectors,
2599         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2600         ddr_consistent_p): New.
2601         (compute_affine_dependence): Check consistency of ddrs when
2602         flag_check_data_deps is passed.
2603         (analyze_all_data_dependences): Uncomment.
2604         (tree_check_data_deps): New.
2605         * tree-data-ref.h: Include omega.h.
2606         (DR_ACCESS_FNS_ADDR): Removed.
2607         (data_dependence_relation): Add inner_loop.
2608         (DDR_INNER_LOOP): New.
2609         * common.opt (fcheck-data-deps): New.
2610         * tree-flow.h (tree_check_data_deps): Declare.
2611         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2612         (OBJS-common): Depend on omega.o.
2613         (omega.o): Define.
2614         * passes.c (pass_check_data_deps): Scheduled.
2615         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2616         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2617         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2618         PARAM_VECT_MAX_VERSION_CHECKS,
2619         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2620
2621 2007-03-09  Richard Guenther  <rguenther@suse.de>
2622
2623         PR tree-optimization/30904
2624         PR middle-end/31058
2625         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2626         the same way as *_DIV_EXPR.
2627
2628 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2629
2630         * recog.c (decode_asm_operands): No mixed declarations and code.
2631
2632 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2633
2634         * rtl.def (ASM_INPUT): Add location.
2635         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2636         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2637         (decode_asm_operands): Add loc operand.
2638         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
2639         * stmt.c (expand_asm): Rename to...
2640         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
2641         gen_rtx_ASM_INPUT_loc.
2642         (expand_asm_expr): Adjust.
2643         * recog.c (decode_asm_operands): Add loc operand.
2644         (check_asm_operands, extract_insn): Adjust.
2645         * reload1.c (maybe_fix_stack_asms): Likewise.
2646         * final.c (asm_insn_count): Likewise.
2647         (final_scan_insn): Output # line before and after asm.
2648
2649 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
2650
2651         * tree-ssa-structalias.c (variable_info): Remove
2652         finished_solution.
2653         (new_var_info): Ditto.
2654         (shared_bitmap_info_t): New structure.
2655         (shared_bitmap_table): New variable.
2656         (shared_bitmap_hash): New function.
2657         (shared_bitmap_eq): Ditto
2658         (shared_bitmap_lookup): Ditto.
2659         (shared_bitmap_add): Ditto.
2660         (merge_smts_into): Change to take bitmap directly.
2661         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
2662         (init_alias_vars): Init shared bitmap hashtable.
2663         (delete_points_to_sets): Delete shared bitmap hashtable.
2664         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
2665         is_aliased removal as a change that was still necessary was
2666         deleted.
2667
2668 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
2669
2670         * config/i386/i386.h (override_options): Conditionally disable
2671         x86_sahf for 64bit targets only.
2672
2673 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2674
2675         PR C/31072
2676         * c-decl.c (merge_decls): Don't call make_var_volatile.
2677         * varasm.c (make_var_volatile): Remove.
2678         * output.h (make_var_volatile): Remove.
2679
2680 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
2681
2682         PR tree-optimization/31085
2683         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
2684
2685 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2686
2687         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
2688         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
2689         ATTR_CONST_NOTHROW_LIST.
2690
2691         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2692         FIX_TRUNC_EXPR.
2693
2694 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
2695
2696         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
2697
2698 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
2699
2700         PR 31013
2701         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
2702         is declared.
2703         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
2704         passed, use shared libgcc.
2705
2706 2007-03-08  Roger Sayle  <roger@eyesopen.com>
2707
2708         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
2709         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2710         (honor_protect_cleanup_actions, lower_try_finally_switch):
2711         Likewise.
2712         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
2713         ifc_temp_var): Likewise.
2714         * tree-inline.c (setup_one_parameter): Likewise.
2715         * tree-mudflap.c (mf_decl_cache_locals,
2716         mf_build_check_statement_for): Likewise.
2717         * tree-nested.c (init_tmp_var, save_tmp_var,
2718         finalize_nesting_tree_1): Likewise.
2719         * tree-outof-ssa.c (insert_copy_on_edge,
2720         insert_backedge_copies): Likewise.
2721         * tree-profile.c (tree_gen_edge_profiler,
2722         tree_gen_ic_profiler): Likewise.
2723         * tree-scalar-evolution.c (scev_const_prop): Likewise.
2724         * tree-sra.c (sra_build_assignment): Likewise.
2725         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
2726         * tree-ssa-math-opts.c (insert_reciprocals,
2727         execute_cse_sincos_1): Likewise.
2728         * tree-tailcall.c (adjust_accumulator_values,
2729         adjust_return_value): Likewise.
2730         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
2731         * tree-vect-transform.c (vect_create_data_ref_ptr,
2732         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
2733         vect_create_epilog_for_reduction, vectorizable_reduction,
2734         vectorizable_call, vectorizable_conversion,
2735         vectorizable_assignment, vectorizable_operation,
2736         vectorizable_type_demotion, vect_gen_widened_results_half,
2737         vect_permute_store_chain, vectorizable_store,
2738         vect_setup_realignment, vect_permute_load_chain,
2739         vectorizable_load, vectorizable_condition,
2740         vect_create_cond_for_align_checks): Likewise.
2741         * tree-vrp.c (build_assert_expr_for): Likewise.
2742
2743 2007-03-08  Ian Lance Taylor  <iant@google.com>
2744
2745         * tree-vrp.c: Include "intl.h".
2746         (usable_range_p): New static function.
2747         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
2748         overflowed values, juts set *strict_overflow_p.
2749         (compare_values): Only return -2 if one of the operands is not a
2750         constant.
2751         (compare_ranges): Call usable_range_p.
2752         (compare_range_with_value): Likewise.
2753         (vrp_evaluate_conditional_warnv): Rename from
2754         vrp_evaluate_conditional.  Make static.  Change all callers.
2755         (vrp_evaluate_conditional): New function.
2756         (simplify_div_or_mod_using_ranges): Issue warning about reliance
2757         on signed overflow.
2758         (simplify_abs_using_ranges): Likewise.
2759         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
2760         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
2761         within_stmt parameter.
2762         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2763         vrp_evaluate_conditional.
2764         * tree-ssa-threadedge.c
2765         (record_temporary_equivalences_from_stmts_at_dest): Change
2766         simplify parameter to take a second tree parameter.
2767         (simplify_control_stmt_condition): Likewise.
2768         (thread_across_edge): Likewise.
2769         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2770         (thread_across_edge): Likewise.
2771         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
2772
2773 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
2774
2775         * config/i386/i386.h (TARGET_SAHF): New define.
2776         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
2777         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
2778         (x86_sahf): New global variable.
2779         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
2780         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
2781         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
2782         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
2783         for 64-bit.
2784         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
2785         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
2786         when expanding fcomi/sahf based tests.
2787         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
2788         expanding sahf based alternative. Emit sahf based sequence when
2789         optimizing for code size.
2790         * config/i386/i386.md (x86_sahf_1): Do not disable for
2791         TARGET_64BIT, enable for TARGET_SAHF.
2792
2793 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
2794
2795         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
2796         spurious whitespace from error message.
2797
2798 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
2799
2800         PR c++/30852
2801         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
2802
2803 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
2804
2805         * c-decl.c (grokdeclarator): Disable warnings for anonymous
2806         bitfields.
2807         * tree-sra.c (instantiate_element): Propagate disabled warnings
2808         from the element itself to the created variable.
2809
2810 2007-03-07  Richard Henderson  <rth@redhat.com>
2811
2812         PR target/30848
2813         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
2814         silently fix up the stack in the case of a missing register.
2815
2816 2007-03-07  Paul Brook  <paul@codesourcery.com>
2817
2818         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
2819
2820 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
2821
2822         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
2823         New.
2824         (phase1_vrs): Use them.
2825         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
2826         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
2827         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
2828         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
2829         __gnu_Unwind_Restore_WMMXC if required.
2830         (_Unwind_VRS_Pop): Implement iWMMXt support.
2831         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
2832         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
2833         gnu_Unwind_Save_WMMXC): Define.
2834
2835 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2836
2837         * config/vxworks.h (vxworks_override_options): Declare.
2838         (VXWORKS_OVERRIDE_OPTIONS): Use it.
2839         * config/vxworks.c: Include target.h and toplev.h.
2840         (vxworks_override_options): New function.
2841         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
2842
2843 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2844
2845         * config/s390/s390.c (override_options): Don't emit an error when
2846         -mstack-size is used without providing -mstack-guard.
2847         (s390_emit_prologue): Choose stack_guard value automatically if not
2848         provided via command line.
2849         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
2850
2851 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2852
2853         * config/i386/i386.c (output_set_got): Add a GOT initialization
2854         sequence for VxWorks PIC.
2855         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
2856         around labels as well as symbols.  Use gotoff_operand instead
2857         of local_symbolic_operand.
2858         (legitimize_pic_address): Use gotoff_operand instead of
2859         local_symbolic_operand.  Use @GOT accesses for labels as
2860         well as symbols.
2861         (ix86_output_addr_diff_elt): Use PC-relative rather than
2862         GP-relative offsets for VxWorks PIC.
2863         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
2864         no_new_pseudos.  Check whether the returned register is op0.
2865         * config/i386/i386.md (tablejump): Use PC-relative rather than
2866         GP-relative offsets for VxWorks PIC.
2867         * config/i386/predicates.md (gotoff_operand): New predicate.
2868
2869 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2870
2871         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
2872         before defining.
2873         * config/vxworks-dummy.h: New file.
2874         * config/i386/i386.h: Include it.
2875
2876 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
2877
2878         * dwarf2out.c (is_inlined_entry_point): New
2879         (add_high_low_attributes): Emit DW_AT_entry_pc along with
2880         DW_AT_ranges if the first subblock is the entry point.
2881
2882 2007-03-06  David Daney  <ddaney@avtrex.com>
2883
2884         * doc/install.texi (mips-*-*): Change recommended binutils
2885         version.
2886
2887 2007-03-06  Anatoly Sokolov <aesok@post.ru>
2888
2889         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
2890         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
2891         devices.
2892         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2893         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2894
2895 2007-03-06  Jan Hubicka  <jh@suse.cz>
2896
2897         * errors.h (warning, error, fatal, internal_error): Mark as cold.
2898         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
2899         are hot.
2900         (probably_cold_bb_p): Cold functions are cold.
2901         (probably_never_executed_bb_p): Cold functions are cold.
2902         (tree_bb_level_predictions): Predict calls to cold functions as not
2903         taken.
2904         (compute_function_frequency): Check hot/cold attributes.
2905         * function.h (function_frequency): Update comments.
2906         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
2907         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
2908         (c_common_att): Add cold and hot.
2909
2910         * doc/extend.texi (hot,cold attributes): Document.
2911
2912 2007-03-06  Andrew Haley  <aph@redhat.com>
2913
2914         * function.c (expand_function_end): Move blockage to just after we
2915         emit the label for the naked return from the function.
2916
2917 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2918
2919         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
2920         before redefining.
2921
2922 2007-03-06  Jan Hubicka  <jh@suse.cz>
2923
2924         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
2925         loaded for constant large models.  Non-large 64bit PIC can do.
2926         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
2927         * cmodel.h: Add LARGE PIC.
2928         * i386.md (UNSPEC_PLTOFF): New.
2929         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
2930         needed.
2931         (*call_1_rex64): Disable for large models.
2932         (*call_1_rex64_large): New.
2933         (*call_value_1_rex64): Disable for large models.
2934         (*call_value_1_rex64_large): New.
2935         (set_rip_rex4): New.
2936         (set_got_offset_rex64): New.
2937         * predicates.md (constant_call_address_operand): For large model
2938         constant calls are not possible.
2939         * i386-protos.h (construct_plt_address): Declare.
2940         * i386.c (override_options): Accept large models.
2941         (ix86_expand_prologue): Expand large PIC GOT pointer load.
2942         (legitimate_constant_p): Add new UNSPECs.
2943         (legitimate_pic_operand_p): Likewise.
2944         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
2945         (legitimize_pic_address): Do easy RIP relative way for TLS only for
2946         non-large model.
2947         (output_pic_addr_const): Add PLTOFF.
2948         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
2949         (ix86_expand_move): Legitimize pic address when in PIC mode.
2950         (construct_plt_address): New function.
2951         (ix86_expand_call): Offload the address to register and use GOT pointer
2952         for large model.
2953         * invoke.texi (mcmodel=large): Update documentation.
2954
2955 2007-03-06  Richard Henderson  <rth@redhat.com>
2956
2957         * config/i386/i386.c (x86_use_leave, x86_push_memory,
2958         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
2959         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
2960         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
2961         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
2962         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
2963         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
2964         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
2965         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
2966         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2967         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2968         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
2969         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2970         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2971         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
2972         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
2973         x86_schedule, x86_use_bt, x86_pad_returns,
2974         x86_use_xchgb): Merge into ...
2975         (ix86_tune_features): ... here.  New array.
2976         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2977         x86_bswap): Merge into ...
2978         (ix86_arch_features): ... here.  New array.
2979         (x86_3dnow_a): Remove.
2980         (x86_accumulate_outgoing_args): Make static.
2981         (x86_arch_always_fancy_math_387): Make static.
2982         (ix86_tune_mask, ix86_arch_mask): Move ...
2983         (override_options): ... to local variables here.  Apply the
2984         appropriate mask to each element of ix86_arch_features and
2985         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
2986         as were done in the old macros.
2987         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
2988         * config/i386/i386.h (x86_use_leave, x86_push_memory,
2989         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
2990         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
2991         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
2992         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
2993         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
2994         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
2995         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
2996         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
2997         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
2998         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2999         x86_accumulate_outgoing_args, x86_prologue_using_move,
3000         x86_epilogue_using_move, x86_decompose_lea,
3001         x86_arch_always_fancy_math_387, x86_shift1,
3002         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3003         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3004         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3005         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3006         x86_use_incdec, x86_pad_returns, x86_bswap,
3007         x86_partial_flag_reg_stall): Remove.
3008         (enum ix86_tune_indices): New.
3009         (ix86_tune_features): New.
3010         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3011         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3012         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3013         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3014         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3015         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3016         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3017         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3018         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3019         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3020         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
3021         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
3022         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
3023         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
3024         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
3025         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
3026         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
3027         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
3028         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
3029         TARGET_EXT_80387_CONSTANTS): Use it.
3030         (enum ix86_arch_indices): New.
3031         (ix86_arch_features): New.
3032         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
3033         TARGET_BSWAP): Use it.
3034         (ix86_tune_mask, ix86_arch_mask): Remove.
3035
3036 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
3037
3038         PR bootstrap/31020
3039         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
3040         Define using $${sysroot_headers_suffix}.
3041         * configure: Regenerate.
3042         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3043         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3044         defined.
3045         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3046         * gcc.c (print_sysroot_headers_suffix): New.
3047         (option_map): Include --print-sysroot-headers-suffix.
3048         (display_help): Mention -print-sysroot-headers-suffix.
3049         (process_command): Handle -print-sysroot-headers-suffix.
3050         (do_spec_1): Append multilib directory to include-fixed path if
3051         sysroot suffixes in use.
3052         (main): Handle -print-sysroot-headers-suffix.
3053         * Makefile.in (start.encap): Don't depend on xlimits.h
3054         (xlimits.h): Remove.
3055         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3056         limits.h for each multilib in fixinc_list.
3057         (fixinc_list, s-fixinc_list): New.
3058         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3059         generate them for each multilib in fixinc_list.
3060         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3061         multilib in fixinc_list.
3062         (mostlyclean): Don't remove xlimits.h.
3063         (clean): Remove include-fixed.
3064         (real-install-headers-tar, real-install-headers-cpio,
3065         real-install-headers-cp): Don't copy include, only include-fixed.
3066         (install-mkheaders): Depend on fixinc_list.  Don't depend on
3067         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
3068         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
3069         SYSTEM_HEADER_DIR setting in mkheaders.conf.
3070
3071 2007-03-06  Jan Hubicka  <jh@suse.cz>
3072
3073         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
3074         NANs easilly.
3075
3076 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3077
3078         * configure.ac: Allow tm_file to contain build-directory files.
3079         * configure: Regenerate.
3080         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
3081         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
3082         * config/m68k/print-sysroot-suffix.sh: New file.
3083
3084 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3085
3086         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
3087         of pic_offset_table_rtx if reload_completed.
3088         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
3089         PIC_OFFSET_TABLE_REGNUM.
3090         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
3091         return true.
3092         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
3093         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
3094
3095 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3096
3097         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3098         functions that call eh_return.
3099
3100 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3101
3102         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3103         functions that need a constant pool.
3104
3105 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3106
3107         PR target/28181
3108         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
3109         (m68k_preferred_reload_class): Likewise.
3110         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
3111         (SECONDARY_RELOAD_CLASS): Define.
3112         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
3113         (LIMIT_RELOAD_CLASS): Delete.
3114         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
3115         registers from storing bytes.
3116         (m68k_secondary_reload_class): New function.
3117         (m68k_preferred_reload_class): Likewise.
3118
3119 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3120
3121         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
3122         leaf functions.
3123         (m68k_expand_prologue): Likewise.
3124
3125 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3126
3127         * config/m68k/m68k-protos.h (output_sibcall): Declare.
3128         (mips_expand_epilogue): Add a bool parameter.
3129         (m68k_legitimize_sibcall_address): Declare.
3130         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
3131         (m68k_expand_epilogue): Add a parameter to select between sibling
3132         and normal epilogues.  Only generate a return for the latter.
3133         (m68k_ok_for_sibcall_p): New function.
3134         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
3135         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
3136         (sibcall_value, *sibcall_value): Likewise.
3137         (*call, *call_value): Require !SIBLING_CALL_P.
3138         (epilogue): Update call to m68k_expand_epilogue.
3139         (sibcall_epilogue): New pattern.
3140         * config/m68k/predicates.md (const_call_operand): Say that this
3141         predicate applies to sibling calls too.
3142         (sibcall_operand): New predicate.
3143
3144 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3145
3146         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
3147         alternatives as movsi_cf.
3148         (movsf_cf_hard): Add commentary.
3149
3150 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
3151             Richard Sandiford  <richard@codesourcery.com>
3152
3153         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
3154         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
3155         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
3156         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
3157         as being live on exit from an interrupt function.
3158         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
3159         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
3160         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
3161         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
3162         (m68k_interrupt_function_p): Globalize.
3163         (m68k_compute_frame_layout): Remove reverse mask code.
3164         (m68k_emit_movem, m68k_set_frame_related): New functions.
3165         (m68k_output_function_prologue): Delete in favor of...
3166         (m68k_expand_prologue): ...this new function.
3167         (m68k_output_function_epilogue): Delete in favor of...
3168         (m68k_expand_epilogue): ...this new function.
3169         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
3170         functions.
3171         (print_operand): Handle %?.
3172         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
3173         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
3174         (prologue, epilogue): New patterns.
3175         (return): Turn into a define_expand.
3176         (*return): New pattern, derived from old "return" pattern.  Use rte
3177         rather than rts for interrupt functions.  Only use rtd if the pop
3178         count is nonzero.
3179         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
3180         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
3181         (link, *link, unlink, *unlink, load_got): Likewise.
3182
3183 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3184
3185         PR target/23482
3186         PR target/17114
3187         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
3188         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
3189         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
3190         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
3191         and m68k_matches_u_p.
3192         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
3193         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
3194         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
3195         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
3196         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
3197         (REG_STRICT_P): New macro.
3198         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
3199         PCREL_GENERAL_OPERAND_OK.
3200         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
3201         m68k_legitimate_base_reg_p.
3202         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
3203         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
3204         (PIC_CASE_VECTOR_ADDRESS): Update comment.
3205         * config/m68k/m68k.c (m68k_address): New structure.
3206         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
3207         (m68k_decompose_index, m68k_legitimate_constant_address_p)
3208         (m68k_jump_table_ref_p, m68k_decompose_address)
3209         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
3210         (m68k_matches_u_p): New functions.
3211         (print_operand_address): Rewrite to use m68k_decompose_index.
3212
3213 2007-03-05  David Taylor  <dtaylor@emc.com>
3214
3215         * gcc.c: Correct copyright date in --version output.
3216
3217 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3218
3219         * pa.md: In unamed move patterns, disparge copies between general
3220         and floating point registers using '?' modifier.  Don't include 'f'
3221         constraint for register preferences in DImode, SImode, HImode and
3222         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
3223         Remove constraints for copies between general and floating registers
3224         in soft-float DFmode pattern.
3225         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
3226         floating register.
3227         (movsf): Likewise.
3228
3229 2007-03-05  Mike Stump  <mrs@apple.com>
3230
3231         * c-common.c (targetcm): Add.
3232         * c-opts.c (c_common_handle_option): Handle language specific
3233         target options.
3234         * opts.c (handle_option): Verify language for target options, if
3235         any are given.
3236         * opth-gen.awk: Add CL_LANG_ALL.
3237         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
3238         (TARGETCM_INITIALIZER): Add.
3239         * target.h (struct gcc_targetcm): Add.
3240         (targetcm): Add.
3241         * targhooks.c (default_handle_c_option): Add.
3242         * targhooks.h (default_handle_c_option): Add.
3243         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
3244
3245         * config/darwin.opt (iframework): Add.
3246         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
3247         * config/darwin-c.c (handle_c_option): Add.
3248         (TARGET_HANDLE_C_OPTION): Add.
3249         (targetcm): Add.
3250         * doc/invoke.texi (Darwin Options): Add -iframework.
3251
3252 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3253
3254         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
3255         conversion.
3256
3257 2007-03-05  Ian Lance Taylor  <iant@google.com>
3258
3259         * c.opt (fgnu89-inline): New option.
3260         * c-opts.c (c_common_post_options): Set default value for
3261         flag_gnu89_inline.
3262         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
3263         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
3264         inline functions.
3265         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
3266         (grokdeclarator, start_function): Likewise.
3267         * c-cppbuiltin.c (c_cpp_builtins): Define either
3268         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
3269         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
3270         (C Dialect Options): Document -fgnu89-inline.
3271         * doc/extend.texi (Function Attributes): Explain what the
3272         gnu_inline attribute does.
3273         * doc/cpp.texi (Common Predefined Macros): Document
3274         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3275
3276 2007-03-05  Ian Lance Taylor  <iant@google.com>
3277
3278         PR tree-optimization/31034
3279         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
3280         half-range if the other side is an overflow infinity.
3281
3282 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3283
3284         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
3285         (bfin*-linux-uclibc*): New configuration.
3286         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
3287         defining.
3288         * config/bfin/linux.h: New file.
3289         * config/bfin/libgcc-bfin.ver: New file.
3290         * config/bfin/t-bfin-uclinux: New file.
3291         * config/bfin/t-bfin-linux: New file.
3292         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
3293         (TARGET_OS_CPP_BUILTINS): New macro.
3294
3295 2007-03-05  Richard Guenther  <rguenther@suse.de>
3296
3297         * fold-const.c (fold_binary): Remove duplicate folding
3298         of comparison of non-null ADDR_EXPR against null.
3299
3300 2007-03-05  Richard Guenther  <rguenther@suse.de>
3301             Dorit Nuzman  <dorit@il.ibm.com>
3302
3303         PR tree-optimization/26420
3304         * tree-vectorizer.c (vectorize_loops): Bail out early if there
3305         are no loops in the function.  Only print the number of
3306         vectorized loops if it is greater than zero or we are supposed
3307         to print information about unvectorized loops.
3308
3309 2007-03-05  Revital Eres  <eres@il.ibm.com>
3310
3311         * gcc.dg/var-expand1.c: New test.
3312         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
3313         when an accumulator is expanded.
3314
3315 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3316
3317         PR other/30465
3318         * c-common.c (convert_and_check): Don't give warnings for
3319         conversion if 'expr' already overflowed.
3320
3321 2007-03-04  Roger Sayle  <roger@eyesopen.com>
3322
3323         PR middle-end/30744
3324         * fold-const.c (fold_comparison): Enforce type consistency when
3325         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
3326
3327 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
3328
3329         * tree-ssa-address.c (create_mem_ref): Do not put an expression
3330         containing a cast to the base of TARGET_MEM_REF.
3331
3332 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
3333
3334         * tree.c (tree_contains_struct_check_failed): Remove spurious
3335         whitespace from error message.
3336
3337 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
3338
3339         PR target/30406
3340         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
3341         instead of precision.
3342
3343 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
3344             Nathan Sidwell  <nathan@codesourcery.com>
3345
3346         * emit-rtl.c (find_auto_inc): New.
3347         (try_split): recreate REG_INC notes,
3348         Use regular for loops rather than whiles.
3349
3350 2007-03-03  Andreas Schwab  <schwab@suse.de>
3351
3352         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
3353         * configure: Regenerate.
3354
3355 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3356
3357         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
3358         flag_rounding_math, not flag_unsafe_math_optimizations.
3359
3360         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
3361         fold_build2.
3362         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
3363         alpha_fold_vector_minmax): Likewise.
3364         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3365         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
3366
3367 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3368
3369         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
3370         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
3371         if the lhs has side-effects.
3372         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
3373
3374 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3375
3376         * config/i386/i386.h (TUNEMASK): Remove define.
3377         (ARCHMASK): Remove define.
3378         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
3379          Use ix86_arch_mask variable instead of ARCHMASK.
3380         * config/i386/i386.c (override_options): Ditto.
3381         (standard_80387_constant_p): Ditto.
3382
3383 2007-03-02  Ian Lance Taylor  <iant@google.com>
3384
3385         Used signed infinities in VRP.
3386         * tree-vrp.c (uses_overflow_infinity): New static function.
3387         (supports_overflow_infinity): New static function.
3388         (make_overflow_infinity): New static function.
3389         (negative_overflow_infinity): New static function.
3390         (positive_overflow_infinity): New static function.
3391         (is_negative_overflow_infinity): New static function.
3392         (is_positive_overflow_infinity): New static function.
3393         (is_overflow_infinity): New static function.
3394         (overflow_infinity_range_p): New static function.
3395         (compare_values_warnv): New function split out of compare_values.
3396         (compare_value): Call it.
3397         (set_value_range_to_nonnegative): Add overflow_infinity
3398         parameter.  Change caller.
3399         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
3400         Change callers.
3401         (vrp_expr_computes_nonzero): Likewise.
3402         (compare_ranges, compare_range_with_value): Likewise.
3403         (compare_name_with_value, compare_names): Likewise.
3404         (vrp_evaluate_conditional): Likewise.
3405         (set_value_range): Handle infinity
3406         (vrp_operand_equal_p, operand_less_p): Likewise.
3407         (extract_range_from_assert): Likewise.
3408         (vrp_int_const_binop): Likewise.
3409         (extract_range_from_binary_expr): Likewise.
3410         (extract_range_from_unary_expr): Likewise.
3411         (extract_range_from_comparison): Likewise.
3412         (extract_range_from_expr): Likewise.
3413         (dump_value_range): Likewise.
3414         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
3415         (test_for_singularity): Likewise.
3416         (vrp_int_const_binop): Remove inline qualifier.
3417         (adjust_range_with_scev): Add comment.
3418         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3419
3420 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
3421
3422         * tree-ssa-structalias.c (could_have_pointers): Tidy.
3423         (get_constraint_for): Likewise.
3424         (do_structure_copy): Likewise.
3425         (find_func_aliases): Fix references to MODIFY_EXPR.
3426         (intra_create_variable_infos): Tidy.
3427         * tree-ssa-operands.c (add_virtual_operand): Add argument
3428         IS_CALL_SITE.
3429         When adding members of alias sets, if IS_CALL_SITE is true and
3430         the symbol is not call-clobbered, skip it.
3431         Adjust all callers.
3432
3433 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3434
3435         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
3436         entry by means of emit_insn_at_entry.
3437
3438 2007-03-02  Richard Henderson  <rth@redhat.com>
3439
3440         * expr.h (promoted_input_arg): Remove decl.
3441         * function.c (promoted_input_arg): Merge into ...
3442         * combine.c (setup_incoming_promotions): ... only caller.
3443         Rearrange to avoid double loop.
3444
3445 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3446             Peter Bergner  <bergner@vnet.ibm.com>
3447             Janis Johnson  <janis187@us.ibm.com>
3448
3449         * config/rs6000/dfp.md: New file.
3450         * config/rs6000/rs6000.md: Include dfp.md.
3451         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
3452         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
3453         and TDmode decimal float modes in FP registers.
3454         (num_insns_constant): Likewise.
3455         (rs6000_legitimate_offset_address_p): Likewise.
3456         (rs6000_legitimize_address): Likewise.
3457         (rs6000_legitimize_reload_address): Likewise.
3458         (rs6000_legitimate_address): Likewise.
3459         (rs6000_emit_move): Likewise.
3460         (function_arg_boundary): Likewise.
3461         (function_arg_advance): Likewise.
3462         (rs6000_darwin64_record_arg_recurse): Likewise.
3463         (function_arg): Likewise.
3464         (rs6000_gimplify_va_arg): Likewise.
3465         (rs6000_split_multireg_move): Likewise.
3466         (rs6000_output_function_epilogue): Likewise.
3467         (rs6000_output_function_epilogue): Likewise.
3468         (rs6000_register_move_cost): Likewise.
3469         (rs6000_function_value): Likewise.
3470         (rs6000_libcall_value): Likewise.
3471
3472 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3473
3474         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
3475
3476 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3477
3478         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
3479         Use $MULTIDIR to choose between the kernel and RTP headers,
3480         and use $WIND_BASE and $WIND_USR to locate them.
3481
3482 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3483
3484         * config/i386/i386.c (override_options): Put initialization of
3485         ix86_tune_mask and ix86_arch_mask to the correct place.
3486
3487 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3488             Michael Meissner  <michael.meissner@amd.com>
3489
3490         PR target/31019
3491         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
3492         (ARCHMASK): Define.
3493         (TARGET_CMOVE): Use ARCHMASK.
3494         (TARGET_CMPXCHG): Ditto.
3495         (TARGET_CMPXCHG8B): Ditto.
3496         (TARGET_XADD): Ditto.
3497         (TARGET_BSWAP): Ditto.
3498         * config/i386/i386.c (ix86_tune_mask): New global variable.
3499         (ix86_arch_mask): Ditto.
3500         (override_options): Initialize ix86_tune_mask and
3501         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
3502         target_flags.
3503
3504 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3505
3506         PR 30992
3507         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
3508
3509 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
3510
3511         * target.h (init_dwarf_reg_sizes_extra): New target hook.
3512         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
3513         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3514         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3515         hook.
3516         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3517         rs6000_init_dwarf_reg_sizes_extra): New.
3518         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3519         SPE register high parts.
3520
3521 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3522
3523         * Makefile.in: Add install-pdf target as
3524         copied from automake v1.10 rules.
3525         * configure.ac: Add install-pdf to target list.
3526         * configure: Regenerate.
3527
3528 2007-03-01  Paul Brook  <paul@codesourcery.com>
3529
3530         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3531         modes to LDRD for DImode.
3532         (output_move_double): Fixup out of range ldrd/strd.
3533         (vfp_secondary_reload_class): Rename...
3534         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3535         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3536         coproc_secondary_reload_class for CLASS_IWMMXT.
3537         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3538         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3539
3540 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3541
3542         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3543         factor by the estimated number of iterations.
3544         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3545         prefetch latency.
3546
3547         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3548         decode_caches_intel, detect_caches_intel): New functions.
3549         (host_detect_local_cpu): Use detect_caches_amd and
3550         detect_caches_intel.
3551
3552 2007-03-01  Richard Henderson  <rth@redhat.com>
3553
3554         * expr.c (emit_move_complex_push): Export.
3555         (emit_move_complex_parts): Split out from ...
3556         (emit_move_complex): ... here.
3557         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3558         * config/i386/i386.md (movcdi): New.
3559
3560 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3561
3562         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3563         size of mode1 to check for tieable modes in MMX case.
3564
3565 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3566
3567         * Makefile.in (rtlanal.o): Depend on tree.h.
3568         * rtl.h (offset_within_section_p, split_const): Declare.
3569         * rtlanal.c: Include tree.h.
3570         (offset_within_block_p): New function, taken from
3571         mips_offset_within_object_p.
3572         (split_const): New function, taken from mips_split_const.
3573         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3574         Declare.
3575         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3576         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3577         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3578         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3579         (m68k_illegitimate_symbolic_constant_p): New function.
3580         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3581         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3582         symbolic constant that might be outside the symbol's section,
3583         move the symbol first and then add the offset.
3584         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3585         Override.
3586         * config/mips/mips.c (mips_split_const): Delete.
3587         (mips_offset_within_object_p): Delete.
3588         (mips_symbolic_constant_p): Use offset_within_section_p and
3589         split_const instead of mips_offset_within_object_p and
3590         mips_split_const.
3591         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3592         (mips_legitimize_const_move, print_operand_reloc)
3593         (mips_dangerous_for_la25_p): Use split_const instead of
3594         mips_split_const.
3595
3596 2007-02-28  Eric Christopher  <echristo@apple.com>
3597
3598         * Makefile.in (install-include-dir): Don't rm -rf include.
3599
3600 2007-02-28  Richard Guenther  <rguenther@suse.de>
3601
3602         PR middle-end/30364
3603         * fold-const.c (fold_binary): Do not associate expressions
3604         with more than one variable for integer types that do not wrap.
3605
3606 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3607
3608         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3609         Delete, and replace with...
3610         (fold_builtin_call_array): This.  Update callers to use it.
3611         * fold-const.c (fold_build_call_list): Delete, and replace with...
3612         (fold_build_call_array): This.
3613         (fold_build_call_list_initializer): Delete, and replace with...
3614         (fold_build_call_array_initializer): This.
3615         * tree.h: Update declarations to reflect above changes.
3616
3617         * c-typeck.c (build_function_call): Store converted arguments
3618         in a stack-allocated array instead of building a list.
3619         (convert_arguments): Store arguments in the array passed in as an
3620         argument, and return the actual number of arguments.
3621         * c-format.c: (check_function_format): Pass arguments in an
3622         array instead of a list.
3623         * c-common.c (check_function_nonnull): Likewise.
3624         (check_function_sentinel): Likewise.
3625         (check_function_arguments): Likewise.
3626         * c-common.h: Update declarations to reflect above changes.
3627
3628 2007-02-28  Jan Hubicka  <jh@suse.cz>
3629
3630         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3631         PRED_NEGATIVE_RETURN): Update outcomes.
3632
3633 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3634
3635         * calls.c (emit_library_call_value_1): Handle partial registers
3636         correctly when building up CALL_INSN_FUNCTION_USAGE.
3637
3638 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3639
3640         * pa/predicates.md (move_src_operand): Allow zero for mode.
3641         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
3642         move pattern.
3643
3644 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
3645
3646         PR target/30970
3647         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
3648         *movv2df_internal): Enable pattern only for valid operand
3649         combinations.
3650         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
3651         tie only 128bit modes. For MMX registers, tie only 64bit modes.
3652
3653 2007-02-27  Mike Stump  <mrs@apple.com>
3654
3655         * config/darwin-crt3.c: Avoid compilation when compiling for a
3656         kext multilib.
3657
3658 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
3659
3660         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
3661         FIXED_INCLUDE_DIR.
3662         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
3663         for fixed headers and limits.h.
3664         (install-include-dir, install-headers-tar, install-headers-cpio,
3665         install-headers-cp, real-install-headers-tar,
3666         real-install-headers-cpio, real-install-headers-cp): Handle
3667         include-fixed as well as include.
3668         (install-mkheaders): Don't install files that go only in include
3669         not include-fixed.
3670         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
3671         from GCC_INCLUDE_DIR.
3672         * gcc.c (process_command): Remove special -BstageN/ handling.
3673         (do_spec_1): Add include-fixed directories.
3674
3675 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3676
3677         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
3678         _smulsi3_highpart.
3679         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
3680         New functions.
3681         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
3682         patterns.
3683
3684 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
3685
3686         * c-common.c (get_priority): Add check for
3687         SUPPORTS_INIT_PRIORITY.
3688
3689 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3690
3691         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
3692
3693         * config/bfin/bfin.c: Include "cfglayout.h".
3694         (MAX_LSETUP_DISTANCE): New macro.
3695         (struct loop_info): New members incoming, incoming_src and
3696         incoming_dest.  Delete member predecessor.
3697         (length_for_loop): New function.
3698         (bfin_optimize_loop): Handle more different loop structures.
3699         (bfin_discover_loop): Rework detection of predecessor blocks by
3700         examining incoming edges.
3701         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
3702         bfin_reorg_loops.
3703         (bfin_reorder_loops): New function.
3704         (bfin_reorg_loops): Use these three new functions.
3705
3706         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
3707         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
3708         (CONSTRAINT_LEN): Add entry for 'q'.
3709         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
3710         Add 'q' constraints.
3711         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
3712         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
3713
3714         * config/bfin/bfin.md (add_with_carry): New pattern.
3715         (s_or_u, su_optab, su_modifier): New code macros/attrs.
3716         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
3717         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
3718         support unsigned multiplies too.  Removed incorrect commutativity from
3719         operand 1 constraint where appropriate.
3720         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
3721         patterns.
3722         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
3723         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
3724         New patterns.
3725         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
3726         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
3727         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
3728         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
3729         usmulhisi_hh_huh): New patterns.
3730
3731         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
3732         lshifthi3): Fix output template to use half reg for operand 2.
3733
3734         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
3735         instead of R2.
3736
3737         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
3738
3739 2007-02-27  Andreas Schwab  <schwab@suse.de>
3740
3741         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
3742
3743 2007-02-27  Jan Hubicka  <jh@suse.cz>
3744
3745         * predict.c (last_basic_block_p): Remove.
3746         (tree_estimate_probability): Update return heuristic for commonized
3747         return blocks.
3748
3749 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3750
3751         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
3752
3753 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3754
3755         * doc/include/gcc-common.texi (versionsubtitle): New macro.
3756         * doc/cpp.texi: Standardize title page.
3757         * doc/cppinternals.texi: Likewise.
3758         * doc/gcc.texi: Standardize title page, remove version number
3759         from copyright page.
3760         * doc/gccint.texi: Likewise.
3761         * doc/install.texi: Standardize title page, add table of
3762         contents.
3763
3764 2007-02-26  Jan Hubicka  <jh@suse.cz>
3765
3766         * predict.def: Set outcomes according to more recent results.
3767         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
3768         Remove dead predictors.
3769         * predict.c (return_prediction): Fix pasto.
3770
3771 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3772
3773         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
3774         change; avoid a memory leak when returning early.
3775
3776 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
3777
3778         * c-decl.c (static_ctors): Move to c-common.c.
3779         (static_dtors): Likewise.
3780         (finish_function): Use c_record_cdtor_fn.
3781         (build_cdtor): Move to c-common.c.
3782         (c_write_global_declarations): Use c_build_cdtor_fns.
3783         * c-common.h (static_ctors): Declare.
3784         (static_dtors): Likewise.
3785         (c_record_cdtor_fn): Likewise.
3786         (c_build_cdtor_fns): Likewise.
3787         * c-common.c (static_ctors): New variable.
3788         (static_dtors): Likewise.
3789         (c_record_cdtor_fn): New function.
3790         (build_cdtor): Move from c-decl.c
3791         (c_build_cdtor_fns): New function.
3792
3793         * output.h (assemble_addr_to_section): Declare.
3794         (get_cdtor_priority_section): Likewise.
3795         * varasm.c (assemble_addr_to_section): New function.
3796         (get_cdtor_priority_section): Likewise.
3797         (default_named_section_asm_out_destructor): Use them.
3798         (destor_dtor_section_asm_out_destructor): Likewise.
3799         (default_named_section_asm_out_constructor): Likewise.
3800         (default_ctor_section_asm_out_constructor): Likewise.
3801         * config.gcc (*-*-vxworks*): Include vxworks.o.
3802         * config/t-vxworks (vxworks.o): New target.
3803         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
3804         (TARGET_ASM_CONSTRUCTOR): Define.
3805         (TARGET_ASM_DESTRUCTOR): Likewise.
3806         (vxworks_asm_out_constructor): Declare.
3807         (vxworks_asm_out_destructor): Likewise.
3808
3809         * c-common.c (get_priority): Check that we have not just an
3810         INTEGER_CST, but an integer constant with integeral type.
3811
3812 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
3813
3814         PR tree-optimization/30938
3815         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
3816         use &dt[nargs-1] instead of &dt[nargs] in the call to
3817         vect_is_simple_use().
3818
3819 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
3820
3821         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
3822         from register elimination as PRE_MODIFY / POST_MODIFY increments.
3823         Do not attempt to handle MEM inside auto-inc expressions.
3824         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
3825         of a register modified by an auto-inc expression.  However, do handle
3826         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
3827         (elimination_effects): Prohibit elimination of a register modified
3828         by an auto-inc expression.  Disable register elimination rules whose
3829         target register is modified by an auto-inc expression with variable
3830         increment.
3831
3832 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3833
3834         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
3835         off-by-one error.
3836         (array_at_struct_end_p): New function.
3837         (idx_infer_loop_bounds): Use it.
3838         (estimate_numbers_of_iterations_loop): Export.
3839         * predict.c (predict_loops): Use estimated_loop_iterations_int.
3840         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
3841         (tree_estimate_probability): Call record_loop_exits.
3842         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
3843         (estimated_loop_iterations, estimated_loop_iterations_int,
3844         estimated_loop_iterations_tree): New functions.
3845         (analyze_siv_subscript_cst_affine,
3846         compute_overlap_steps_for_affine_1_2,
3847         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
3848         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
3849         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
3850         (PRED_LOOP_ITERATIONS_GUESSED): New.
3851         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
3852         * cfgloop.h (estimate_numbers_of_iterations_loop,
3853         estimated_loop_iterations_int): Declare.
3854
3855 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
3856
3857         * doc/extend.texi: Document optional priority argument to
3858         constructors and destructors.
3859         * tree.c (init_priority_for_decl): Adjust GTY markers.
3860         (init_ttree): Use priority-info hash functions for
3861         init_priority_for_decl.
3862         (tree_map_eq): Rename to ...
3863         (tree_map_base_eq): ... this.
3864         (tree_map_marked_p): Rename to ...
3865         (tree_map_base_marked_p): ... this.
3866         (tree_map_base_hash): New function.
3867         (decl_init_priority_lookup): Rework.
3868         (decl_fini_priority_lookup): New function.
3869         (decl_priority_info): New function.
3870         (decl_init_priority_insert): Use it.
3871         (decl_fini_priority_insert): Likewise.
3872         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
3873         hierarchy.
3874         (decl_restrict_base_insert): Likewise.
3875         (decl_debug_expr_insert): Likewise.
3876         (decl_value_expr_lookup): Likewise.
3877         (decl_value_expr_insert): Likewise.
3878         * tree.h (priority_type): New type.
3879         (decl_init_priority_lookup): Use priority_type.
3880         (decl_fini_priority_lookup): New function.
3881         (decl_init_priority_insert): Use priority_type.
3882         (decl_fini_priority_insert): New function.
3883         (DECL_HAS_INIT_PRIORITY): Tweak comments.
3884         (DECL_INIT_PRIORITY): Likewise.
3885         (SET_DECL_INIT_PRIORITY): Add comment.
3886         (DECL_FINI_PRIORITY): New macro.
3887         (SET_DECL_FINI_PRIORITY): Likewise.
3888         (DEFAULT_INIT_PRIORITY): Document.
3889         (MAX_INIT_PRIORITY): Likewise.
3890         (MAX_RESERVED_INIT_PRIORITY): Likewise.
3891         (tree_map_base): New type.
3892         (tree_map_base_eq): New function.
3893         (tree_map_base_hash): Likewise.
3894         (tree_map_base_marked_p): Likewise.
3895         (tree_map): Inherit from tree_map_base.
3896         (tree_map_eq): Make it a macro.
3897         (tree_map_marked_p): Likewise.
3898         (tree_int_map): Inherit from tree_map_base.
3899         (tree_int_map_eq): Make it a macro.
3900         (tree_int_map_hash): Likewise.
3901         (tree_int_map_marked_p): Likewise.
3902         (tree_priority_map): New type.
3903         (tree_priority_map_eq): New macro.
3904         (tree_priority_map_hash): Likewise.
3905         (tree_priority_map_marked_p): Likewise.
3906         * varasm.c (emults_decl): Adjust for refactoring of tree_map
3907         hierarchy.
3908         (emutls_common_1): Likewise.
3909         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
3910         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
3911         of tree_map hierarchy.
3912         * tree-cfg.c (move_stmt_r): Likewise.
3913         (new_label_mapper): Likewise.
3914         * c-tree.h (c_expand_body): Move to ...
3915         * c-common.h (c_expand_body): ... here.
3916         * c-decl.c (c_expand_body): Move to ...
3917         * c-common.c (c_expand_body): ... here.
3918         (c_common_attribute_table): Allow 1 argument for the constructor
3919         and destructor attributes.
3920         (get_priority): New function.
3921         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
3922         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
3923
3924 2007-02-24  Jan Hubicka  <jh@suse.cz>
3925
3926         PR middle-end/30509
3927         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
3928
3929 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3930             Jan Hubicka  <jh@suse.cz>
3931
3932         PR target/30778
3933         * i386.c (counter_mode): New function.
3934         (expand_set_or_movmem_via_loop): Use it.
3935         (expand_movmem_epilogue): Likewise; fix pasto.
3936         (ix86_expand_movmem): Do emit guard even for constant counts.
3937         (ix86_expand_setmem): Likewise.
3938
3939 2007-02-25  Nick Clifton  <nickc@redhat.com>
3940
3941         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
3942         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3943
3944 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3945
3946         PR target/30770
3947         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
3948         count argument with 0x10, not with 0x16.
3949         (expand_setmem_epilogue): Ditto.
3950
3951 2007-02-24  Mike Stump  <mrs@apple.com>
3952
3953         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
3954         symbols.
3955
3956 2007-02-24  Richard Guenther  <rguenther@suse.de>
3957
3958         PR middle-end/30951
3959         * fold-const.c (fold_binary): Fold x +- CST op x for
3960         EQ_EXPR and NE_EXPR.
3961
3962 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3963
3964         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
3965
3966 2007-02-24  Jan Hubicka  <jh@suse.cz>
3967
3968         * cgraphunit.c (decide_is_function_needed): Honor
3969         -fkeep-inline-functions.
3970
3971 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3972
3973         * builtins.c (fold_builtin_modf): New.
3974         (fold_builtin_2): Use it.
3975
3976 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3977
3978         * loop-iv.c (implies_p): Detect additional cases where A implies B.
3979         (determine_max_iter): Take additional LOOP arg; all callers changed.
3980         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
3981         one using simplifications.
3982         (simplify_using_initial_values): Return if the expression becomes
3983         invalid due to altered regs.
3984
3985 2007-02-23  DJ Delorie  <dj@redhat.com>
3986
3987         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
3988
3989 2007-02-23  Mike Stump  <mrs@apple.com>
3990
3991         * tlink.c (scan_linker_output): Parse linker messages from
3992         darwin9's linker better.
3993
3994 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
3995
3996         PR debug/29614
3997         * varpool.c (varpool_assemble_pending_decls):  Set
3998         varpool_last_needed_node to null.
3999
4000 2007-02-23  DJ Delorie  <dj@redhat.com>
4001
4002         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4003         alignment bigger than the object file can handle.
4004
4005 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4006
4007         PR target/30825
4008         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4009         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4010         (*movsf_1): Penalize MMX moves.
4011
4012 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4013
4014         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4015         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4016
4017         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4018
4019 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4020
4021         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4022         (fold_builtin_1): Use them.
4023         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4024         BUILT_IN_SIGNIFICAND.
4025
4026 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4027
4028         * config/i386/i386.c (bdesc_1arg): Initialize
4029         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
4030         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
4031         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
4032         and IX86_BUILTIN_MOVSLDUP.
4033
4034 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
4035
4036         PR rtl-optimization/30841
4037         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
4038
4039 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4040
4041         * builtins.c (fold_builtin_frexp): New.
4042         (fold_builtin_2): Use it.
4043
4044 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4045
4046         * doc/invoke.texi (Spec Files): Document getenv spec function.
4047
4048         * gcc.c (getenv_spec_function): New function.
4049         (static_spec_functions): Add it.
4050         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4051         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4052         header files.
4053
4054 2007-02-22  Michael Matz  <matz@suse.de
4055
4056         PR c++/29433
4057         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4058         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4059
4060 2007-02-22  Ian Lance Taylor  <iant@google.com>
4061
4062         PR debug/30898
4063         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4064         (mem_loc_descriptor): Call it.
4065
4066 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
4067             Ira Rosen  <irar@il.ibm.com>
4068
4069         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
4070
4071 2007-02-22  Ira Rosen  <irar@il.ibm.com>
4072
4073         PR tree-optimization/30843
4074         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
4075         stores only after all the group is vectorized.
4076
4077 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
4078
4079         PR tree-optimization/30858
4080         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
4081         in the reduction cycle have a single use in the loop.
4082         * tree-vectorizer.h (relevant): Add documentation.
4083
4084 2007-02-20  Mike Stump  <mrs@apple.com>
4085
4086         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
4087         * configure: Regenerate.
4088
4089 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4090
4091         Change the defaults of some parameters and options.
4092         * config/spu/spu-protos.h (spu_optimization_options): Declare.
4093         * config/spu/spu.c (spu_optimization_options): Add.
4094         (spu_override_options): Change params in spu_optimization_options.
4095         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
4096
4097         Register 127 is only 16 byte aligned when used as a frame pointer.
4098         * config/spu/spu-protos.h (spu_init_expanders): Declare.
4099         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
4100         HARD_FRAME_POINTER_REGNUM.
4101         (spu_legitimate_address):  Use regno_aligned_for_reload.
4102         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
4103         aligned when frame_pointer_needed is true.
4104         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
4105         to 8 bits.
4106         * config/spu/spu.h (INIT_EXPANDERS): Define.
4107
4108         Make sure shift and rotate instructions have valid immediate operands.
4109         * config/spu/predicates.md (spu_shift_operand): Remove.
4110         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
4111         * config/spu/constraints.md (W, O): Extend range.
4112         * config/spu/spu.md (umask, nmask): Define.
4113         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
4114         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
4115         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
4116         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
4117         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
4118         (lshr<mode>3_reg):  Fix rtl description.
4119
4120         Make sure mulhisi immediate operands are valid.
4121         * config/spu/predicates.md (imm_K_operand): Add.
4122         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
4123
4124         Generate constants using fsmbi and andi.
4125         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
4126         (print_operand, spu_split_immediate, classify_immediate,
4127         fsmbi_const_p): Handle IC_FSMBI2.
4128
4129         Correctly handle a CONST_VECTOR containing symbols.
4130         * config/spu/spu.c (print_operand): Handle HIGH correctly.
4131         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
4132         (immediate_load_p): Allow symbols that use 2 instructions to create.
4133         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
4134         with symbols when flag_pic is set.
4135         (const_vector_immediate_p): New.
4136         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
4137         accept a CONST_VECTOR with symbols.
4138         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
4139         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
4140         correctly.
4141         * config/spu/spu.md (high, low): Delete.
4142         (low_<mode>): Define.
4143
4144         Remove INTRmode and INTR_REGNUM, which didn't work.
4145         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
4146         of INTR_REGNUM.
4147         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
4148         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
4149         peephole2 pattern): Don't use INTR or 131.
4150         (movintrcc): Delete.
4151         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
4152         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
4153         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
4154         (UNSPEC_SET_INTR): Add.
4155         * config/spu/spu-modes.def (INTR): Remove.
4156
4157         More accurate warnings about run-time relocations.
4158         * config/spu/spu.c (reloc_diagnostic): Test in_section.
4159
4160         Correctly warn about immediate arguments to specific intrinsics.
4161         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
4162         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
4163         the instruction predicate.
4164
4165         Fix tree check errors with latest update.
4166         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
4167         CALL_EXPR_ARG.
4168         (spu_expand_builtin): Use CALL_EXPR_FN.
4169
4170         Add missing specific intrinsics.
4171         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
4172         si_bislede.
4173         * config/spu/spu_internals.h: Ditto.
4174
4175         Fix incorrect operand modifiers.
4176         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
4177         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
4178
4179         Optimize one case of zero_extend of a vec_select.
4180         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
4181
4182         Accept any immediate for hbr.
4183         * config/spu/spu.md (hbr):  Change s constraints to i.
4184
4185 2007-02-21  Paul Brook  <paul@codesourcery.com>
4186
4187         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4188         condexec_count when skipping USE and CLOBBER.
4189
4190 2007-02-21  Nick Clifton  <nickc@redhat.com>
4191
4192         * common.opt (Warray-bounds): Add Warning attribute.
4193         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
4194         Likewise.
4195         (fsized-zeroes): Add Optimization attribute.
4196         (fsplit-wide-types, ftree-scev-cprop): Likewise.
4197         * c.opt (Wc++0x-compat): Add Warning attribute.
4198
4199 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4200
4201         PR middle-end/30761
4202         * reload1.c (eliminate_regs_in_insn): In the single_set special
4203         case, attempt to re-recognize the insn before falling back to
4204         having reload fix it up.
4205
4206 2007-02-20  Eric Christopher  <echristo@gmail.com>
4207
4208         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4209         Rewrite accordingly.
4210         (frv_read_iacc_argument): Ditto.
4211         (frv_expand_set_builtin): Take a call instead of arglist, update for
4212         above changes.
4213         (frv_expand_unop_builtin): Ditto.
4214         (frv_expand_binop_builtin): Ditto.
4215         (frv_expand_cut_builtin): Ditto.
4216         (frv_expand_binopimm_builtin): Ditto.
4217         (frv_expand_voidbinop_builtin): Ditto.
4218         (frv_expand_int_void2arg): Ditto.
4219         (frv_expand_prefetches): Ditto.
4220         (frv_expand_voidtriop_builtin): Ditto.
4221         (frv_expand_voidaccop_builtin): Ditto.
4222         (frv_expand_load_builtin): Ditto.
4223         (frv_expand_store_builtin): Ditto.
4224         (frv_expand_mdpackh_builtin): Ditto.
4225         (frv_expand_mclracc_builtin): Ditto.
4226         (frv_expand_mrdacc_builtin): Ditto.
4227         (frv_expand_mwtacc_builtin): Ditto.
4228         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
4229         calls for above.
4230
4231 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
4232
4233         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
4234         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
4235         cmpb instruction.
4236         (HAVE_GAS_DFP): Check for assembler support of decimal floating
4237         point instructions.
4238         * configure: Regenerate.
4239         * config.in: Regenerate.
4240         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
4241         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
4242         masks to power6 and power6x and to POWERPC_MASKS.
4243         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4244         _ARCH_PWR6.
4245         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
4246         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
4247         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4248         Access PROTOTYPE as variable, not mask.
4249
4250 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4251
4252         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
4253         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
4254         * combine.c (adjust_for_new_dest): Use it.
4255         * postreload.c (reload_combine): Likewise.
4256
4257 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4258
4259         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
4260         notes on an insn with multiple sets, even if single_set returns
4261         non-NULL for that insn.
4262
4263 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4264
4265         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
4266         scalbn and scalbln.
4267
4268 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
4269
4270         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
4271         if user didn't pass it.
4272         * config/i386/darwin.h (CC1_SPEC): Likewise.
4273         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
4274         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
4275         -mmacosx-version-min.
4276
4277 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4278             Uros Bizjak  <ubizjak@gmail.com>
4279
4280         * optabs.h (enum optab_index): Add new OTI_scalb.
4281         (scalb_optab): Define corresponding macro.
4282         * optabs.c (init_optabs): Initialize scalb_optab.
4283         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
4284         patterns.
4285         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
4286         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
4287         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
4288         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
4289         flag_unsafe_math_optimizations is set.
4290
4291         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
4292         to implement scalbf, scalb and scalbl built-ins as inline x87
4293         intrinsics.
4294
4295 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4296             DJ Delorie <dj@redhat.com>
4297
4298         PR other/30824
4299         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
4300         (diagnostic_report_diagnostic): ... here, and turn them into real
4301         errors. If warnings are inhibited, no need to do anything.
4302
4303 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
4304
4305         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
4306         better code generation.
4307
4308 2007-02-20  Ben Elliston  <bje@au.ibm.com>
4309
4310         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
4311
4312 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
4313
4314         * config/alpha/alpha.c, config/alpha/alpha.md,
4315         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
4316         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
4317         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
4318         config/arm/lib1funcs.asm: Follow spelling conventions.
4319
4320         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
4321         config/fr30/fr30.md, config/i386/i386.h,
4322         config/iq2000/iq2000.h, config/iq2000/predicates.md,
4323         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
4324         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
4325         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
4326         config/rs6000/altivec.md, config/rs6000/rs6000.c,
4327         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
4328         config/sparc/sparc.c, config/sparc/sparc.h,
4329         config/sparc/sparc.md, config/spu/constraints.md,
4330         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
4331         conventions.
4332
4333 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
4334
4335         PR target/29943
4336         * varasm.c (use_blocks_for_decl_p): Return false for decls with
4337         alias attribute.
4338
4339 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4340
4341         * doc/invoke.texi (-ftree-lrs): Remove.
4342
4343 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
4344
4345         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
4346         NULL.
4347
4348 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
4349
4350         * config/ia64/ia64.c (ia64_expand_builtin): Use the
4351         new CALL_EXPR_FN macro for retrieving the function
4352         declaration of the input expression.
4353
4354 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4355
4356         * c.opt (Waddress): New.
4357         * common.opt (Walways-true): Delete.
4358         (Wstring-literal-comparison): Delete.
4359         * doc/invoke.texi (Warning Options): Delete -Walways-true and
4360         -Wstring-literal-comparison. Add -Waddress.
4361         (Waddress): New.
4362         (Walways-true): Delete.
4363         (Wstring-literal-comparison): Delete.
4364         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
4365         consistently instead of -Walways-true in example.
4366         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
4367         * c-typeck.c (parser_build_binary_op): Replace
4368         -Wstring-literal-comparison and -Walways-true with -Waddress.
4369         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
4370         with -Waddress.
4371
4372 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4373
4374         * tree-cfg.c (dump_function_to_file): Be prepared for functions
4375         without DECL_STRUCT_FUNCTION initialized.
4376
4377 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4378
4379         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
4380         due to calls to functions taking pointers as parameters.
4381
4382 2007-02-19  Richard Henderson  <rth@redhat.com>
4383
4384         PR debug/29558
4385         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
4386         in memory.
4387
4388 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4389
4390         * config/s390/s390.c (s390_call_saved_register_used,
4391         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
4392         accessed to the new scheme.
4393
4394 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4395
4396         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
4397         (cris_print_index, cris_print_operand, cris_print_operand_address)
4398         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
4399         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
4400         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
4401         GET_CODE () == xxx.
4402         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
4403         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
4404         GO_IF_LEGITIMATE_ADDRESS): Ditto.
4405         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
4406         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
4407         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
4408         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
4409         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
4410         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
4411         (uminsi3, call, call_value): Ditto.
4412         (define_split: indir_to_reg_split, unnamed): Ditto.
4413
4414 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
4415
4416         PR tree-optimization/30975
4417         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
4418         wrong assert.
4419
4420 2007-02-18  Eric Christopher  <echristo@gmail.com>
4421
4422         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
4423         Remove use of arglist.
4424         (mips_expand_builtin): Remove use of arglist, pass in expr.
4425         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
4426         (mips_expand_builtin_movtf): Ditto.
4427         (mips_expand_builtin_compare): Ditto.
4428
4429 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4430
4431         * tree-sra.c (sra_build_assignment): Replace assertion
4432         checking with a comment explaining why it can't be done.
4433
4434 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4435
4436         PR middle-end/30833
4437         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
4438         during CALL_EXPR representation conversion.
4439         * tree-ssa-propagate.c (set_rhs): Likewise.
4440
4441 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4442
4443         * tree-sra.c (sra_build_assignment): Disable assertion checking
4444         for now.
4445
4446 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4447
4448         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
4449         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4450         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
4451         Likewise.
4452         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
4453         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
4454         gimplify_init_ctor_eval_range, gimple_push_cleanup,
4455         gimplify_omp_for, gimplify_omp_atomic_pipeline,
4456         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
4457         force_gimple_operand): Likewise.
4458         * ipa-cp.c (constant_val_insert): Likewise.
4459         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4460         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
4461         perfect_nestify): Likewise.
4462         * langhooks.c (lhd_omp_assignment): Likewise.
4463         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
4464         lower_copyprivate_clauses, lower_send_clauses,
4465         lower_send_shared_vars, expand_parallel_call,
4466         expand_omp_for_generic, expand_omp_for_static_nochunk,
4467         expand_omp_for_static_chunk, expand_omp_sections,
4468         lower_omp_single_copy, lower_omp_for_lastprivate,
4469         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
4470         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
4471         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
4472         Likewise.
4473
4474 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4475
4476         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
4477         config/sh/sh.md: Follow spelling conventions.
4478
4479         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
4480         config/frv/predicates.md: Follow spelling conventions.
4481
4482         * config/m68k/linux-unwind.h: Fix a comment typo.
4483         * target.h: Follow spelling conventions.
4484
4485 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4486
4487         PR rtl-optimization/28173
4488         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
4489         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
4490         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
4491         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
4492         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
4493
4494 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4495
4496         * builtins.c (fold_builtin_load_exponent): New.
4497         (fold_builtin_2): Use it.
4498
4499 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
4500
4501         PR rtl-optimization/30773
4502         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
4503         if we fail to attach a REG_EQUIV note.
4504
4505 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
4506             Roger Sayle  <roger@eyesopen.com>
4507
4508         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
4509
4510 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4511
4512         * calls.c (initialize_argument_information): Pass original EXP
4513         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
4514         code to split complex arguments here, as part of initializing the
4515         ARGS array.
4516         (expand_call): Remove code that builds a list of arguments and
4517         inserts implicit arguments into it.  Instead, just count how many
4518         implicit arguments there will be so we can determine the size of
4519         the ARGS array, and let initialize_argument_information do the work.
4520         (split_complex_values): Delete unused function.
4521
4522 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4523
4524         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
4525
4526 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4527
4528         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
4529         for arg pointer based indexed addressing.
4530
4531 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4532
4533         * config/ia64/ia64.h, config/ia64/ia64.md,
4534         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
4535         spelling conventions.
4536
4537 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4538
4539         * config/m68k/m68k.c (split_di): New.
4540         * config/m68k/m68k-protos.h: Declare split_di.
4541         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
4542           Improve predicate handling and split constant shifts.
4543
4544 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4545
4546         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
4547         parameter for register bitfield operations, general predicates
4548         cleanup
4549
4550 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4551
4552         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
4553         * config/m68k/linux-unwind.h: New file.
4554
4555 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4556
4557         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
4558         config/i386/athlon.md, config/ia64/ia64.md,
4559         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
4560         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
4561         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
4562         tree-ssa-loop-niter.c, tree-vect-analyze.c,
4563         tree-vect-transform.c: Fix comment typos.
4564
4565 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
4566
4567         * sched-deps.c (find_insn_list): Remove.
4568         * sched-int.h: Remove the prototype for find_insn_list.
4569
4570 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
4571
4572         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
4573         to linker.
4574         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
4575         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
4576         darwin_rs6000_override_options.
4577         (C_COMMON_OVERRIDE_OPTIONS): Expect
4578         darwin_macosx_version_min to be non-NULL always.
4579         (TARGET_C99_FUNCTIONS): Likewise.
4580         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
4581         (DARWIN_MINVERSION_SPEC): New.
4582         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
4583         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
4584         to cc1*.
4585         (DARWIN_MINVERSION_SPEC): New.
4586         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
4587         value.
4588         * config/darwin-c.c (darwin_cpp_builtins): Expect
4589         darwin_macosx_version_min to be non-NULL always.
4590
4591         * config/rs6000/rs6000.c: Clean up trailing whitespace.
4592
4593 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
4594
4595         * config/i386/i386.h (x86_use_xchgb): New.
4596         (TARGET_USE_XCHGB): New macro.
4597         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
4598         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
4599         Split after reload into bswaphi for shifts of 8.
4600         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
4601         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
4602         or when optimizing for size.
4603
4604 2007-02-16  Richard Guenther  <rguenther@suse.de>
4605             Christian Bruel  <christian.bruel@st.com>
4606
4607         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
4608         DECLs but prefer SSA_NAMEs over DECLs.
4609
4610 2007-02-16  Richard Guenther  <rguenther@suse.de>
4611
4612         * tree-flow-inline.h (single_imm_use_p): Remove.
4613         (zero_imm_uses_p): Likewise.
4614         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
4615         instead of single_imm_use_p.
4616         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
4617         zero_imm_uses_p.
4618
4619 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4620
4621         PR other/27843
4622         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
4623         nested double- and backquotes.
4624
4625 2007-02-15  Roger Sayle  <roger@eyesopen.com>
4626
4627         PR middle-end/30391
4628         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
4629         should be unreachable.
4630         (build2_stat): Allow construction of MODIFY_EXPR at any time.
4631         For the time being redirect GIMPLE_MODIFY_STMT to the new
4632         (renamed) build_gimple_modify_stmt_stat.
4633         (build2_gimple_stat): Rename to...
4634         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
4635         Always build a GIMPLE_MODIFY_STMT node.
4636         * tree.h (build2_gimple, build2_gimple_stat): Delete.
4637         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
4638         declarations.
4639
4640         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
4641         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
4642         * tree-complex.c (set_component_ssa_name, expand_complex_move,
4643         expand_complex_div_wide): Likewise.
4644         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
4645         * tree-ssa-loop-im.c (schedule_sm): Likewise.
4646         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
4647         * tree-ssa-loop-manip.c (create_iv): Likewise.
4648         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
4649         abs_replacement): Likewise.
4650         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
4651         realify_fake_stores): Likewise.
4652
4653         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
4654         node rather than a GIMPLE_MODIFY_STMT node.
4655         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
4656         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
4657         Likewise.
4658         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
4659         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
4660         GIMPLE_MODIFY_STMT.
4661
4662 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4663
4664         PR middle-end/30433
4665         * fold-const.c (fold_comparison): Add back the
4666         folding of constant complex comparisions.
4667
4668 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4669
4670         PR middle-end/30729
4671         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
4672         effects unknown to this function, return early.
4673
4674 2007-02-15  Ian Lance Taylor  <iant@google.com>
4675
4676         * lower-subreg.c (move_eh_region_note): New static function.
4677         (resolve_simple_move): Call it.
4678         (decompose_multiword_subregs): Track blocks for which we resolve a
4679         simple move which is also a control flow insn.  Pass them to
4680         find_many_sub_basic_blocks.
4681         (pass_lower_subreg): Add TODO_verify_flow.
4682         (pass_lower_subreg2): Likewise.
4683
4684 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4685             Brooks Moses  <brooks.moses@codesourcery.com>
4686             Lee Millward  <lee.millward@codesourcery.com>
4687
4688         * tree.h (enum tree_code_class): Add tcc_vl_exp.
4689         (VL_EXP_CLASS_P): New.
4690         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
4691         TREE_CODE_LENGTH.
4692         (TREE_OPERAND_CHECK_CODE): Likewise.
4693         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
4694         (TREE_RTL_OPERAND_CHECK): Likewise.
4695         (tree_operand_check_failed): Make second parameter the whole tree
4696         instead of its code.  Fixed callers.
4697         (VL_EXP_CHECK): New.
4698         (TREE_OPERAND_LENGTH): New.
4699         (VL_EXP_OPERAND_LENGTH): New.
4700         (CALL_EXPR_FN): New.
4701         (CALL_EXPR_STATIC_CHAIN): New.
4702         (CALL_EXPR_ARGS): New.
4703         (CALL_EXPR_ARG): New.
4704         (call_expr_nargs): New.
4705         (CALL_EXPR_ARGP): New.
4706         (build_nt_call_list): Declare.
4707         (build_vl_exp_stat): Declare.
4708         (build_vl_exp): New.
4709         (build_call_list): Declare.
4710         (build_call_nary): Declare.
4711         (build_call_valist): Declare.
4712         (build_call_array): Declare.
4713         (call_expr_arg): Declare.
4714         (call_expr_argp): Declare.
4715         (call_expr_arglist): Declare.
4716         (fold_build_call_list): Declare.
4717         (fold_build_call_list_initializer): Declare.
4718         (fold_call_expr): Declare to replace fold_builtin.
4719         (fold_builtin_fputs): Update to agree with modified definition.
4720         (fold_builtin_strcpy): Likewise.
4721         (fold_builtin_strncpy): Likewise.
4722         (fold_builtin_memory_chk): Likewise.
4723         (fold_builtin_stxcpy_chk): Likewise.
4724         (fold_builtin_strncpy_chk): Likewise.
4725         (fold_builtin_next_arg): Likewise.
4726         (fold_build_call_expr): Declare.
4727         (fold_builtin_call_list): Declare.
4728         (fold_builtin_call_valist): Declare.
4729         (build_call_expr): Declare.
4730         (validate_arglist): Update to agree with modified definition.
4731         (tree_operand_length): New.
4732         (call_expr_arg_iterator): New.
4733         (init_call_expr_arg_iterator): New.
4734         (next_call_expr_arg): New.
4735         (first_call_expr_arg): New.
4736         (more_call_expr_args_p): New.
4737         (FOR_EACH_CALL_EXPR_ARG): New.
4738
4739         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
4740         and tcc_gimple_stmt.
4741         (tree_code_size): Update documentation.  Use sizeof (tree) rather
4742         than sizeof (char *).
4743         (tree_size): Likewise.  Add case for tcc_vl_exp.
4744         (tree_node_structure): Add case for tcc_vl_exp.
4745         (contains_placeholder_p): Likewise.
4746         (substitute_in_expr): Likewise.
4747         (substitute_placeholder_in_expr): Likewise.
4748         (stabilize_reference_1): Likewise.
4749         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
4750         to diagnose breakage of this interface for constructing CALL_EXPRs.
4751         (build_nt): Add similar assertion here.
4752         (build_nt_call_list): New.
4753         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
4754         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
4755         TREE_CODE_LENGTH.
4756         (get_callee_fndecl): Use new CALL_EXPR accessors.
4757         (tree_operand_check_failed): Change parameters to pass entire node
4758         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
4759         (process_call_operands): New.
4760         (build_vl_exp_stat): New.
4761         (build_call_list): New.
4762         (build_call_nary): New.
4763         (build_call_valist): New.
4764         (build_call_array): New.
4765         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4766         (call_expr_arglist): New.
4767
4768         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
4769         tcc_vl_exp instead of a fixed-size tcc_expression.
4770
4771         * doc/c-tree.texi (CALL_EXPR): Document new representation and
4772         accessors for CALL_EXPRs.
4773         (AGGR_INIT_EXPR): Likewise.
4774
4775 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4776             Brooks Moses  <brooks.moses@codesourcery.com>
4777             Lee Millward  <lee.millward@codesourcery.com>
4778
4779         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
4780         (expand_builtin_nonlocal_goto): Change parameter to be entire
4781         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
4782         (expand_builtin_prefetch): Likewise.
4783         (expand_builtin_classify_type): Likewise.
4784         (mathfn_built_in): Return NULL_TREE instead of 0.
4785         (expand_errno_check): Use new CALL_EXPR accessors.
4786         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
4787         Return NULL_RTX instead of 0.
4788         (expand_builtin_mathfn_2): Likewise.
4789         (expand_builtin_mathfn_3): Likewise.
4790         (expand_builtin_interclass_mathfn): Likewise.
4791         (expand_builtin_sincos): Likewise.
4792         (expand_builtin_cexpi): Likewise.
4793         (expand_builtin_int_roundingfn): Likewise.
4794         (expand_builtin_int_roundingfn_2): Likewise.
4795         (expand_builtin_pow): Likewise.
4796         (expand_builtin_powi): Likewise.
4797         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
4798         of arglist, fixing callers appropriately.  Use new CALL_EXPR
4799         accessors and constructors.  Return NULL_RTX instead of 0.
4800         (expand_builtin_strstr): Likewise.
4801         (expand_builtin_strchr): Likewise.
4802         (expand_builtin_strrchr): Likewise.
4803         (expand_builtin_strpbrk): Likewise.
4804         (expand_builtin_memcpy): Likewise.
4805         (expand_builtin_mempcpy): Likewise.
4806         (expand_builtin_mempcpy_args): New.
4807         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
4808         (expand_builtin_memmove_args): New.
4809         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
4810         (expand_movstr): Likewise.
4811         (expand_builtin_strcpy): Likewise.
4812         (expand_builtin_strcpy_args): New.
4813         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
4814         (expand_builtin_strncpy): Likewise.
4815         (expand_builtin_memset): Likewise.
4816         (expand_builtin_memset_args): New.
4817         (expand_builtin_bzero): Similarly to expand_builtin_memset.
4818         (expand_builtin_memcmp): Likewise.
4819         (expand_builtin_strcmp): Likewise.
4820         (expand_builtin_strncmp): Likewise.
4821         (expand_builtin_strcat): Likewise.
4822         (expand_builtin_strncat): Likewise.
4823         (expand_builtin_strspn): Likewise.
4824         (expand_builtin_strcspn): Likewise.
4825         (expand_builtin_args_info): Likewise.
4826         (expand_builtin_va_start): Likewise.
4827         (gimplify_va_arg_expr): Likewise.
4828         (expand_builtin_va_end): Likewise.
4829         (expand_builtin_va_copy): Likewise.
4830         (expand_builtin_frame_address): Likewise.
4831         (expand_builtin_alloca): Likewise.
4832         (expand_builtin_bswap): Likewise.
4833         (expand_builtin_unop): Likewise.
4834         (expand_builtin_fputs): Likewise.
4835         (expand_builtin_expect): Likewise.
4836         (expand_builtin_fabs): Likewise.
4837         (expand_builtin_copysign): Likewise.
4838         (expand_builtin_printf): Likewise.
4839         (expand_builtin_fprintf): Likewise.
4840         (expand_builtin_sprintf): Likewise.
4841         (expand_builtin_init_trampoline): Likewise.
4842         (expand_builtin_signbit): Likewise.
4843         (expand_builtin_fork_or_exec): Likewise.
4844         (expand_builtin_sync_operation): Likewise.
4845         (expand_builtin_compare_and_swap): Likewise.
4846         (expand_builtin_lock_test_and_set): Likewise.
4847         (expand_builtin_lock_release): Likewise.
4848         (expand_builtin): Likewise.
4849         (builtin_mathfn_code): Likewise.
4850
4851         (fold_builtin_constant_p): Pass call arguments individually instead
4852         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4853         accessors and constructors.  Return NULL_TREE instead of 0.
4854         (fold_builtin_expect): Likewise.
4855         (fold_builtin_classify_type): Likewise.
4856         (fold_builtin_strlen): Likewise.
4857         (fold_builtin_nan): Likewise.
4858         (integer_valued_real_p): Likewise.
4859         (fold_trunc_transparent_mathfn): Likewise.
4860         (fold_fixed_mathfn): Likewise.
4861         (fold_builtin_cabs): Likewise.
4862         (fold_builtin_sqrt): Likewise.
4863         (fold_builtin_cbrt): Likewise.
4864         (fold_builtin_cos): Likewise.
4865         (fold_builtin_cosh): Likewise.
4866         (fold_builtin_tan): Likewise.
4867         (fold_builtin_sincos): Likewise.
4868         (fold_builtin_cexp): Likewise.
4869         (fold_builtin_trunc): Likewise.
4870         (fold_builtin_floor): Likewise.
4871         (fold_builtin_ceil): Likewise.
4872         (fold_builtin_round): Likewise.
4873         (fold_builtin_int_roundingfn): Likewise.
4874         (fold_builtin_bitop): Likewise.
4875         (fold_builtin_bswap): Likewise.
4876         (fold_builtin_logarithm): Likewise.
4877         (fold_builtin_hypot): Likewise.
4878         (fold_builtin_pow): Likewise.
4879         (fold_builtin_powi): Likewise.
4880         (fold_builtin_exponent): Likewise.
4881         (fold_builtin_memset): Likewise.
4882         (fold_builtin_bzero): Likewise.
4883         (fold_builtin_memory_op): Likewise.
4884         (fold_builtin_bcopy): Deleted; call site changed to invoke
4885         fold_builtin_memory_op directly.
4886         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
4887         (fold_builtin_strncpy): Likewise.
4888         (fold_builtin_memcmp): Likewise.
4889         (fold_builtin_strcmp): Likewise.
4890         (fold_builtin_strncmp): Likewise.
4891         (fold_builtin_signbit): Likewise.
4892         (fold_builtin_copysign): Likewise.
4893         (fold_builtin_isascii): Likewise.
4894         (fold_builtin_toascii): Likewise.
4895         (fold_builtin_isdigit): Likewise.
4896         (fold_builtin_fabs): Likewise.
4897         (fold_builtin_abs): Likewise.
4898         (fold_builtin_fmin_fmax): Likewise.
4899         (fold_builtin_carg): Likewise.
4900         (fold_builtin_classify): Likewise.
4901         (fold_builtin_unordered_cmp): Likewise.
4902
4903         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
4904         New functions split out from fold_builtin_1.
4905         (fold_builtin_n): New.
4906         (fold_builtin_varargs): New.
4907         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
4908         instead.
4909         (fold_call_expr): New.
4910         (build_function_call_expr): Rewrite to use new helper function.
4911         (fold_builtin_call_list): New.
4912         (build_call_expr): New.
4913         (fold_builtin_call_valist): New.
4914         (rewrite_call_expr): New.
4915         (validate_arg): New.
4916         (validate_arglist): Change parameter to be entire CALL_EXPR instead
4917         of an arglist.  Change return type to bool.  Use new CALL_EXPR
4918         accessors.
4919
4920         (fold_builtin_strstr):  Pass call arguments individually instead
4921         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4922         accessors and constructors.  Return NULL_TREE instead of 0.
4923         (fold_builtin_strchr): Likewise.
4924         (fold_builtin_strrchr): Likewise.
4925         (fold_builtin_strpbrk): Likewise.
4926         (fold_builtin_strcat): Likewise.
4927         (fold_builtin_strncat): Likewise.
4928         (fold_builtin_strspn): Likewise.
4929         (fold_builtin_strcspn): Likewise.
4930         (fold_builtin_fputs): Likewise.
4931         (fold_builtin_next_arg): Likewise.
4932         (fold_builtin_sprintf): Likewise.
4933
4934         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
4935         NULL_RTX instead of 0.
4936         (expand_builtin_memory_chk): Likewise.
4937         (maybe_emit_chk_warning): Likewise.
4938         (maybe_emit_sprintf_chk_warning): Likewise.
4939
4940         (fold_builtin_object_size): Pass call arguments individually instead
4941         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4942         accessors and constructors.  Return NULL_TREE instead of 0.
4943         (fold_builtin_memory_chk): Likewise.
4944         (fold_builtin_stxcpy_chk): Likewise.
4945         (fold_builtin_strncpy_chk): Likewise.
4946         (fold_builtin_strcat_chk): Likewise.
4947         (fold_builtin_strcat_chk): Likewise.
4948         (fold_builtin_strncat_chk): Likewise.
4949         (fold_builtin_sprintf_chk): Likewise.
4950         (fold_builtin_snprintf_chk): Likewise.
4951         (fold_builtin_printf): Likewise.
4952         (fold_builtin_vprintf): Likewise.
4953
4954         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
4955         constructors.
4956         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
4957         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4958         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
4959         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
4960         (fold_unary): Likewise.
4961         (fold_binary): Likewise.
4962         (fold_ternary): Remove CALL_EXPR case, since they are no longer
4963         ternary expressions.
4964         (fold): Add logic for tcc_vl_exp.
4965         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
4966         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4967         (fold_build3_stat): Add assertion to flag broken interface for
4968         constructing CALL_EXPRs.
4969         (fold_build_call_list): New.
4970         (fold_build_call_list_initializer): New.
4971         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
4972         constructors.
4973         (fold_strip_sign_ops): Likewise.
4974
4975 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4976             Brooks Moses  <brooks.moses@codesourcery.com>
4977             Lee Millward  <lee.millward@codesourcery.com>
4978
4979         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
4980         accessors and dump arguments explicitly.
4981
4982         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
4983         TREE_CODE_LENGTH.
4984         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
4985         explicitly.
4986         (print_call_name): Use new CALL_EXPR accessors.
4987
4988         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
4989         CALL_EXPR arguments explicitly instead of as a list.  Use
4990         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4991
4992         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
4993         (vrp_visit_stmt): Likewise.
4994
4995         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
4996         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
4997         TREE_CODE_LENGTH.
4998         (force_move_till_expr): Likewise.
4999
5000         * targhooks.c (default_external_stack_protect_fail): Use
5001         build_call_expr instead of build_function_call_expr.
5002         (default_hidden_stack_protect_fail): Likewise.
5003
5004         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5005         build the call.
5006
5007         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5008         and walk arguments explicitly.
5009
5010         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5011         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5012         (expand_simple_operations): Likewise.
5013         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5014
5015         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5016         of TREE_CODE_LENGTH.
5017         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5018
5019         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5020         instead of TREE_CODE_LENGTH.
5021
5022         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
5023         (tree_ic_transform): Likewise.
5024         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
5025         parameter instead of arglist.  Fix callers.
5026         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
5027         (tree_stringops_transform): Likewise.
5028         (tree_indirect_call_to_profile): Likewise.
5029         (tree_stringops_values_to_profile): Likewise.
5030
5031         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
5032         (eliminate_tail_call): Likewise.
5033
5034         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
5035
5036         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5037         Use TREE_OPERAND_LENGTH and generalize to handle any number of
5038         operands.
5039         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
5040
5041         * omp-low.c (build_omp_barrier): Use build_call_expr.
5042         (lower_rec_input_clauses): Likewise.
5043         (lower_reduction_clauses): Likewise.
5044         (expand_parallel_call): Likewise.
5045         (maybe_catch_exception): Likewise.
5046         (expand_omp_for_generic): Likewise.
5047         (expand_omp_for_static_nochunk): Likewise.
5048         (expand_omp_sections): Likewise.
5049         (lower_omp_single_simple): Likewise.
5050         (lower_omp_single_copy): Likewise.
5051         (lower_omp_master): Likewise.
5052         (lower_omp_ordered): Likewise.
5053         (lower_omp_critical): Likewise.
5054
5055         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5056         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5057
5058         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5059         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5060         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5061
5062         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5063         and generalize to handle any number of operands.
5064         (chrec_contains_undetermined): Likewise.
5065         (tree_contains_chrecs): Likewise.
5066         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
5067
5068         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
5069
5070         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
5071         fold_call_expr instead of fold_builtin.
5072         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
5073         match declarations there.
5074         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
5075         updates.
5076
5077         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
5078         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5079
5080         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
5081         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
5082
5083         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
5084         accessors.
5085
5086         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
5087         (execute_cse_sincos): Use new CALL_EXPR accessors.
5088
5089         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
5090
5091         * gimple-low.c (lower_function_body): Use build_call_expr.
5092         (lower_builtin_setjmp): Likewise.
5093
5094         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
5095         (set_storage_via_libcall): Likewise.
5096         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
5097         instead of TREE_CODE_LENGTH.
5098         (expand_expr_real_1): Use new CALL_EXPR accessors.
5099
5100         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
5101         generalize to handle any number of operands.
5102         (TB_parent_eq): Likewise.
5103
5104         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
5105         (strip_builtin_expect): Likewise.
5106
5107         * function.c (gimplify_parameters): Use build_call_expr.
5108
5109         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
5110         instead of TREE_CODE_LENGTH.
5111
5112         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
5113         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
5114
5115         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
5116         iterators.
5117
5118         * gimplify.c (build_stack_save_restore): Use build_call_expr.
5119         (gimplify_decl_expr): Likewise.
5120         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
5121         Use new CALL_EXPR iterators.
5122         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
5123         (gimplify_modify_expr_to_memset): Likewise.
5124         (gimplify_variable_sized_compare): Likewise.
5125         (gimplify_omp_atomic_fetch_op): Likewise.
5126         (gimplify_omp_atomic_pipeline): Likewise.
5127         (gimplify_omp_atomic_mutex): Likewise.
5128         (gimplify_function_tree): Likewise.
5129
5130         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
5131         (call_expr_flags): Likewise.
5132         (expand_call): Likewise.
5133
5134         * except.c (expand_builtin_eh_return_data_regno): Pass entire
5135         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5136         accessors.
5137
5138         * coverage.c (create_coverage): Use build_call_expr.
5139
5140         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
5141         (temp_call_expr_obstack): New.
5142         (pool_copy_list): Delete.
5143         (temp_copy_call_expr): New.
5144         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
5145         CALL_EXPR accessors.  Get rid of special goo for copying argument
5146         lists and use temp_copy_call_expr instead.
5147         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
5148         CALL_EXPR accessors.
5149         (create_expression_by_pieces): Likewise.  Use build_call_array
5150         to construct the result instead of fold_build3.
5151         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
5152         dealing with argument lists.
5153         (init_pre): Remove references to expression_node_pool and
5154         list_node_pool.  Init temp_call_expr_obstack instead.
5155         (fini_pre): Remove references to expression_node_pool and
5156         list_node_pool.
5157
5158         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
5159         and walk arguments explicitly instead of as a list.
5160
5161         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
5162         (mx_register_decls): Likewise.
5163         (mudflap_register_call): Likewise.
5164         (mudflap_finish_file): Likewise.
5165
5166         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
5167         (ipa_callsite_compute_param): Likewise.
5168
5169         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
5170         accessors and constructor.
5171
5172         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
5173         accessors and constructor.
5174         (convert_tramp_reference): Likewise.
5175         (convert_call_expr): Likewise.
5176         (finalize_nesting_tree_1): Likewise.
5177
5178         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
5179         accessors.
5180
5181         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
5182
5183         * tree-inline.c (initialize_inlined_parameters): Pass entire
5184         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5185         accessors.
5186         (estimate_num_insns_1): Use new CALL_EXPR accessors.
5187         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
5188
5189         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
5190         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5191         (vectorizable_reduction): Likewise.
5192         (vectorizable_call): Use new CALL_EXPR iterators.
5193         (vectorizable_conversion): Use build_call_expr.
5194         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
5195         (vect_gen_widened_results_half): Use build_call_expr.
5196         (vect_setup_realignment): Likewise.
5197         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
5198
5199         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
5200         (pass_through_call): Likewise.
5201         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
5202         fold_builtin.
5203
5204         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
5205         (tree_gen_pow2_profiler): Likewise.
5206         (tree_gen_one_value_profiler): Likewise.
5207         (tree_gen_ic_func_profiler): Likewise.
5208         (tree_gen_average_profiler): Likewise.
5209         (tree_gen_ior_profiler): Likewise.
5210
5211         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
5212         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
5213         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5214
5215         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
5216         of TREE_CODE_LENGTH.
5217
5218         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
5219         of TREE_CODE_LENGTH.
5220
5221         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
5222         constructor.
5223         (convert_to_integer): Likewise.
5224
5225         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
5226         accessors.
5227
5228 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5229             Brooks Moses  <brooks.moses@codesourcery.com>
5230             Lee Millward  <lee.millward@codesourcery.com>
5231
5232         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
5233         accessors.
5234         * config/frv/frv.c (frv_expand_builtin): Likewise.
5235         * config/s390/s390.c (s390_expand_builtin): Likewise.
5236
5237         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
5238         (sparc_expand_builtin): Use new CALL_EXPR accessors.
5239
5240         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
5241         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
5242         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
5243         (ix86_expand_store_builtin): Likewise.
5244         (ix86_expand_unop_builtin): Likewise.
5245         (ix86_expand_unop1_builtin): Likewise.
5246         (ix86_expand_sse_compare): Likewise.
5247         (ix86_expand_sse_comi): Likewise.
5248         (ix86_expand_vec_init_builtin): Likewise.
5249         (ix86_expand_vec_ext_builtin): Likewise.
5250         (ix86_expand_vec_set_builtin): Likewise.
5251         (ix86_expand_builtin): Use new CALL_EXPR accessors.
5252
5253         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
5254         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5255
5256         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
5257         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5258         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
5259
5260         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
5261         build_call_expr.
5262         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5263         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
5264         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5265         (altivec_expand_abs_builtin): Likewise.
5266         (rs6000_expand_binop_builtin): Likewise.
5267         (altivec_expand_predicate_builtin): Likewise.
5268         (altivec_expand_lv_builtin): Likewise.
5269         (spe_expand_stv_builtin): Likewise.
5270         (altivec_expand_stv_builtin): Likewise.
5271         (rs6000_expand_ternop_builtin): Likewise.
5272         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
5273         (altivec_expand_st_builtin): Likewise.
5274         (altivec_expand_dst_builtin): Likewise.
5275         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
5276         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5277         (altivec_expand_vec_set_builtin): Likewise.
5278         (altivec_expand_vec_ext_builtin): Likewise.
5279         (altivec_expand_builtin): Use new CALL_EXPR accessors.
5280         (spe_expand_builtin): Likewise.
5281         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
5282         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5283         (spe_expand_evsel_builtin): Likewise.
5284         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
5285         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
5286
5287         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
5288         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5289         (arm_expand_unop_builtin): Likewise.
5290         (arm_expand_builtin): Use new CALL_EXPR accessors.
5291
5292         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
5293         accessors.
5294
5295         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
5296         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5297         (bfin_expand_unop_builtin): Likewise.
5298         (bfin_expand_builtin): Use new CALL_EXPR accessors.
5299
5300 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5301             Brooks Moses  <brooks.moses@codesourcery.com>
5302             Lee Millward  <lee.millward@codesourcery.com>
5303
5304         * c-semantics.c (build_stmt): Add internal diagnostic check.
5305
5306         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
5307         accessors.  Print arguments explicitly instead of as a list.
5308
5309         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
5310
5311         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
5312         (c_finish_omp_flish): Likewise.
5313
5314         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
5315         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
5316         instead of TREE_CODE_LENGTH.
5317         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
5318         (c_warn_unused_result): Likewise.
5319
5320 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5321
5322         PR c/26494
5323         * doc/invoke.texi (Warning Options): Remove
5324         -Werror-implicit-function-declaration.
5325         (Wimplicit-function-declaration): Update description.
5326         * opts.c (common_handle_option): Move handling of -Werror=* to...
5327         (enable_warning_as_error): ...here.
5328         * opts.h (enable_warning_as_error): Declare.
5329         * c-decl.c (implicit_decl_warning): Unless
5330         -Wno-implicit-function-declaration is given, emit a pedwarn if
5331         -std=c99 or emit a warning if -Wimplicit-function-declaration.
5332         * c.opt (Wimplicit-function-declaration): Replace
5333         mesg_implicit_function_declaration with
5334         warn_implicit_function_declaration.
5335         * c-opts.c (c_common_handle_option):
5336         -Werror-implicit-function-declaration is exactly equal as
5337         -Werror=implicit-function-declaration.
5338         (set_Wimplicit): Replace mesg_implicit_function_declaration with
5339         warn_implicit_function_declaration.
5340         (c_common_post_options): -Wimplict-function-declaration is enabled
5341         by default by -std=c99, otherwise is disabled by default.
5342         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
5343
5344 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5345
5346         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
5347         DECL on the rhs to a DECL on the lhs for debug info purposes if the
5348         former is ignored but not the latter.
5349
5350 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5351
5352         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
5353         is made and the reference doesn't use the alias set of its type,
5354         do not create the temporary using that type.
5355
5356 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
5357
5358         * jump.c: Remove prototypes for delete_computation and
5359         delete_prior_computation.
5360
5361 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5362
5363         * jump.c (get_label_after): Delete.
5364         (get_label_before, delete_computation, delete_jump,
5365         delete_prior_computation, follow_jumps): Move...
5366         * reorg.c (delete_computation, delete_prior_computation): ... here...
5367         (get_label_before, delete_jump): ... making these static ...
5368         (follow_jumps): ... and simplifying this since it only runs after
5369         reload.
5370         * rtl.h (get_label_after, get_label_before, delete_jump,
5371         follow_jumps): Delete prototypes.
5372
5373 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5374
5375         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
5376
5377 2007-02-15  Nick Clifton  <nickc@redhat.com>
5378
5379         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
5380         order to prevent it from being munged by the target.
5381
5382 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
5383
5384         * config/i386/i386.md: Remove misleading comment.
5385
5386 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5387
5388         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
5389         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
5390         invalid patterns.
5391
5392 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5393
5394         * tree-sra.c (instantiate_missing_elements): Canonicalize
5395         bit-field types.
5396         (sra_build_assignment): New.
5397         (generate_copy_inout, generate_element_copy,
5398         generate_element_zero, generate_one_element_init): Use it.
5399
5400 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5401
5402         * tree-sra.c (instantiate_missing_elements): Canonicalize
5403         bit-field types.
5404         (sra_build_assignment): New.
5405         (generate_copy_inout, generate_element_copy,
5406         generate_element_zero, generate_one_element_init): Use it.
5407
5408 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5409
5410         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
5411         limbo die nodes.
5412
5413 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
5414
5415         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
5416         types as aggregates not scalars.
5417         * function.c (assign_stack_temp_for_type): Likewise.
5418
5419 2007-02-14  Roger Sayle  <roger@eyesopen.com>
5420             Zdenek Dvorak  <dvorakz@suse.cz>
5421
5422         * tree-dump.c (dump_switch_p_1): Require exact match of the option
5423         name.
5424
5425 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
5426
5427         * passes.c (next_pass_1): Clear the next field of the copied
5428         pass structure.
5429
5430 2007-02-14  Richard Henderson  <rth@redhat.com>
5431
5432         * tree-sra.c (early_sra): New.
5433         (decl_can_be_decomposed_p): Deny va_list if early_sra.
5434         (tree_sra_early, pass_sra_early): New.
5435         * tree-pass.h (pass_sra_early): Declare.
5436         * passes.c (init_optimization_passes): Use it.
5437
5438 2007-02-14  Richard Guenther  <rguenther@suse.de>
5439
5440         * flags.h (issue_strict_overflow_warning): Convert to a macro.
5441
5442 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
5443
5444          PR tree-optimization/30771
5445         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
5446         also phi nodes.
5447         (vect_analyze_operations): Induction phis can now be marked as
5448         used_in_loop.
5449         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
5450         Update documentation accordingly.
5451
5452 2007-02-14  Nick Clifton  <nickc@redhat.com>
5453
5454         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
5455         most 3 arguments are supported.
5456         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
5457
5458 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
5459
5460         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
5461         Ensure dst->current is valid.
5462
5463 2007-02-13  Paul Brook  <paul@codesourcery.com>
5464
5465         * config.gcc: Add arm*-*-uclinux-*eabi.
5466         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
5467         (SUBTARGET_EXTRA_LINK_SPEC): Define.
5468         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
5469         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
5470         (LINK_SPEC): Define.
5471         (LIB_SPEC): Define.
5472         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
5473         register.
5474         * config/arm/uclinux-eabi.h: New file.
5475         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
5476         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
5477         based targets.
5478
5479 2007-02-13  Ian Lance Taylor  <iant@google.com>
5480
5481         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
5482         * flags.h (warn_strict_overflow): Declare.
5483         (enum warn_strict_overflow_code): Define.
5484         (issue_strict_overflow_warning): New static inline function.
5485         * opts.c (warn_strict_overflow): New variable.
5486         (common_handle_option): Handle OPT_Wstrict_overflow and
5487         OPT_Wstrict_overflow_.
5488         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
5489         OPT_Wall.
5490         * fold-const.c: Include intl.h.
5491         (fold_deferring_overflow_warnings): New static variable.
5492         (fold_deferred_overflow_warning): New static variable.
5493         (fold_deferred_overflow_code): New static variable.
5494         (fold_defer_overflow_warnings): New function.
5495         (fold_undefer_overflow_warnings): New function.
5496         (fold_undefer_and_ignore_overflow_warnings): New function.
5497         (fold_deferring_overflow_warnings_p): New function.
5498         (fold_overflow_warning): New static function.
5499         (make_range): Add strict_overflow_p parameter.  Change all
5500         callers.
5501         (extract_muldiv, extract_muldiv_1): Likewise.
5502         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
5503         tree_expr_nonnegative_p.
5504         (fold_negate_expr): Call fold_overflow_warning.
5505         (fold_range_test): Likewise.
5506         (fold_comparison): Likewise.
5507         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
5508         instead of tree_expr_nonnegative_p.
5509         (tree_expr_nonnegative_warnv_p): Rename from
5510         tree_expr_nonnegative_p, add strict_overflow_p parameter.
5511         (tree_expr_nonnegative_p): New function.
5512         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
5513         strict_overflow_p parameter.
5514         (tree_expr_nonzero_p): New function.
5515         * passes.c (verify_interpass_invariants): New static function.
5516         (execute_one_pass): Call it.
5517         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
5518         warnings.
5519         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
5520         (estimate_numbers_of_iterations): Likewise.
5521         (scev_probably_wraps_p): Likewise.
5522         * tree-ssa-ccp.c: Include "toplev.h".
5523         (evaluate_stmt): Defer fold overflow warnings until we know we are
5524         going to optimize.
5525         (struct fold_stmt_r_data): Add stmt field.
5526         (fold_stmt_r): Defer fold overflow warnings until we know we
5527         optimized.
5528         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
5529         (fold_stmt_inplace): Likewise.
5530         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
5531         (cleanup_control_expr_graph): Defer fold overflow warnings until
5532         we know we are going to optimize.
5533         * tree-cfg.c (fold_cond_expr_cond): Likewise.
5534         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
5535         Likewise.
5536         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
5537         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
5538         * tree-ssa-loop-manip.c (create_iv): Likewise.
5539         * c-typeck.c (build_conditional_expr): Likewise.
5540         (build_binary_op): Likewise.
5541         * tree-vrp.c (vrp_expr_computes_nonzero): Call
5542         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
5543         (extract_range_from_unary_expr): Likewise.
5544         * simplify-rtx.c (simplify_const_relational_operation): Warn when
5545         assuming that signed overflow does not occur.
5546         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
5547         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
5548         (fold_defer_overflow_warnings): Declare.
5549         (fold_undefer_overflow_warnings): Declare.
5550         (fold_undefer_and_ignore_overflow_warnings): Declare.
5551         (fold_deferring_overflow_warnings_p): Declare.
5552         (tree_expr_nonzero_warnv_p): Declare.
5553         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
5554         of warning options.
5555         (Warning Options): Document -Wstrict-overflow.
5556         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
5557         (tree-ssa-ccp.o): Likewise.
5558         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
5559         (fold-const.o): Depend on intl.h.
5560
5561 2007-02-13  Ian Lance Taylor  <iant@google.com>
5562
5563         PR middle-end/30751
5564         * lower-subreg.c (resolve_simple_move): Decompose subregs in
5565         addresses.
5566
5567 2007-02-13  Stuart Hastings  <stuart@apple.com>
5568
5569         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
5570
5571 2007-02-13  Richard Henderson  <rth@redhat.com>
5572
5573         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
5574         handled_component_p before looking for the indirect_ref.
5575
5576 2007-02-13  Richard Henderson  <rth@redhat.com>
5577
5578         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
5579         remove flags clobber.
5580         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
5581         (bswaphi_lowpart): New.
5582         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
5583         remove TARGET_BSWAP test.  Delete expander of the same name.
5584
5585         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
5586         (expand_unop): Use them.
5587
5588 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
5589
5590         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
5591         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
5592         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
5593         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
5594         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
5595         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
5596         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
5597         assembler dialect choice from asm templates.
5598
5599 2007-02-12  Richard Henderson  <rth@redhat.com>
5600
5601         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
5602         (fixuns_trunc<SSEMODEF>si2): Use it.
5603         * config/i386/sse.md (vec_setv4sf_0): Export.
5604         * config/i386/i386.c (ix86_build_const_vector): Export.
5605         (ix86_split_convert_uns_si_sse): Rename from
5606         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
5607         * config/i386/i386-protos.h: Update.
5608
5609 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5610
5611         PR c/29521
5612         * c-typeck.c (c_finish_return): Improve warning message.
5613
5614 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5615
5616         * alias.c (find_symbolic_term): Delete unused function.
5617
5618 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
5619
5620         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
5621         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
5622         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
5623
5624 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5625
5626         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
5627         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
5628         the function, temporarily point the debug interface to the null one.
5629
5630 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5631
5632         * dwarf2out.c (round_up_to_align): New static function.
5633         (field_byte_offset): Use it to round the offset.
5634
5635 2007-02-12  Richard Henderson  <rth@redhat.com>
5636
5637         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
5638         (inswl_const): Export.
5639
5640 2007-02-12  Richard Henderson  <rth@redhat.com>
5641
5642         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
5643         result mode of the libcall, convert back to outmode.
5644
5645 2007-02-12  Roger Sayle  <roger@eyesopen.com>
5646
5647         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
5648         (bswapdi2): New define_expand to implement 32-bit implementation.
5649
5650 2007-02-12  Nick Clifton  <nickc@redhat.com>
5651
5652         * doc/invoke.texi (Overall Options): Document --help=.
5653         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
5654         (cc1_options): Pass --help= on to cc1.
5655         (display_help): Add description of --help=.
5656         (process_command): Add code to handle --help=.  Allow translated
5657         --help and --target-help switches to be passed on to compiler
5658         sub-process.
5659         (main): Remove unused if statement.
5660         * opts.c (columns): Remove.
5661         (LEFT_COLUMN): Define.
5662         (wrap_help): Add columns argument.
5663         (print_filtered_help): Change parameters to be an include bitmask,
5664         an exclude bitmask, an any bitmask and the column width.  Move the
5665         code to display the params list here.  Add code to display the
5666         status of options rather than their descriptions if the quiet flag
5667         is not active.
5668         (print_specific_help): Change parameters to be an include bitmask,
5669         an exclude bitmask and an any bitmask.  Move code to look up the
5670         column width here.  Decide upon the title for an options listing.
5671         (common_handle_options): Add code to handle --help=.  Adapt code
5672         for --help and --target-help to use the revised form of the
5673         print_specific_help function.
5674         (print_help): Delete.
5675         (print_param_help): Delete.
5676         (print_switch): Delete.
5677         * opts.h (cl_lang_count): Add prototype.
5678         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
5679         CL_MAX_OPTION_CLASS): New defines.
5680         * optc-gen.awk: Add construction of cl_lang_count.
5681         * c.opt: Add Warning attribute to warning options and Optimization
5682         attribute to optimization options.
5683         * common.opt: Likewise.
5684         Add --help=.
5685         Add -fhelp and -ftarget-help as aliases for the transformed --help
5686         and --target-help options.
5687         * opt-functions.awk: Add code to handle Warning and Optimization
5688         attributes.
5689
5690 2007-02-12  Richard Henderson  <rth@redhat.com>
5691
5692         * config/alpha/constraints.md: New file.
5693         * config/alpha/alpha.c: Include tm-constrs.h.
5694         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
5695         alpha_extra_constraint): Remove.
5696         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
5697         * config/alpha/alpha-protos.h: Update.
5698         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
5699         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
5700         (EXTRA_CONSTRAINT): Remove.
5701         * config/alpha/alpha.md: Include constraints.md.
5702         (adddi splitter): Use satisfies_constraint_*.
5703         * config/alpha/predicates.md (add_operand): Likewise.
5704         (sext_add_operand, addition_operation): Likewise.
5705
5706 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
5707
5708         PR tree-optimization/29145
5709         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
5710         in our handling of restrict qualified pointers.
5711
5712 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5713
5714         PR middle-end/7651
5715         * doc/invoke.texi (Wunused-value): Update description.
5716         (Wextra): Delete item.
5717         * opts.c (set_Wextra): Don't use the value of Wextra to set the
5718         value of Wunused-value.
5719         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
5720         (c_finish_stmt_expr): Don't check extra_warnings.
5721         (emit_side_effect_warnings): The caller is responsible to check
5722         warn_unused_value.
5723
5724 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5725             Matt Thomas  <matt@3am-software.com>
5726
5727         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
5728
5729 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5730
5731         * simplify-rtx.c (simplify_relational_operation_1): Optimize
5732         comparisons of POPCOUNT against zero.
5733         (simplify_const_relational_operation): Likewise.
5734
5735 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5736
5737         * doc/invoke.texi (Wextra): Delete outdated paragraph.
5738
5739 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5740
5741         * dwarf2out.c (root_type): Delete unused function.
5742
5743 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5744
5745         * genattrtab.c (contained_in_p): Delete unused function.
5746         (write_expr_attr_cache): Likewise.
5747
5748 2007-02-11  Jan Hubicka  <jh@suse.cz>
5749
5750         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
5751         previous patch.
5752
5753 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
5754
5755         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
5756         to add the REG_EQ* note.
5757         * see.c (see_merge_one_use_extension): Likewise.
5758         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
5759         turn REG_EQUAL notes into REG_EQUIV notes if the target
5760         register may have more than one set.
5761         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
5762         * gcse.c (try_replace_reg): Likewise.
5763         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
5764         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
5765         more than one REG_EQUIV note.
5766         * reload1.c (gen_reload): Use set_unique_reg_note.
5767
5768 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
5769
5770         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
5771         (ix86_builtin_conversion): New function.
5772
5773 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
5774
5775         PR target/29487
5776         * tree.h (DECL_REPLACEABLE_P): New macro.
5777         * except.c (set_nothrow_function_flags): Likewise.
5778
5779 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
5780             Ira Rosen  <irar@il.ibm.com>
5781             Dorit Nuzman  <dorit@il.ibm.com>
5782
5783         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
5784         * targhooks.c (default_builtin_vectorized_conversion): New.
5785         * targhooks.h (default_builtin_vectorized_function): New declaration.
5786         * target.h (struct vectorize): Add builtin_conversion field.
5787         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
5788         stmt_vec_info_type value.
5789         (vectorizable_conversion): New declaration.
5790         * tree-vect-analyze.c (vect_analyze_operations): Add
5791         vectorizable_conversion call.
5792         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
5793         * tree-vect-transform.c (vectorizable_conversion): New function.
5794         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
5795         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5796         mode.
5797         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
5798         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
5799         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
5800         or ALTIVEC_BUILTIN_VCFSX.
5801
5802 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5803
5804         PR target/30634
5805         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
5806         CONST_DOUBLE and operand 0 is a hard register.
5807         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
5808         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
5809         is a hard floating-point register.
5810
5811 2007-02-10  Richard Henderson  <rth@redhat.com>
5812             Jakub Jelinek  <jakub@redhat.com>
5813             Alexandre Oliva  <aoliva@redhat.com>
5814
5815         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
5816         * builtin-types.def (BT_WORD): Make unsigned.
5817         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5818         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5819         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5820         * c-decl.c (grokdeclarator): Don't error if !have_tls.
5821         * c-parser.c (c_parser_omp_threadprivate): Likewise.
5822         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5823         emulated tls.
5824         * expr.c (emutls_var_address): New.
5825         (expand_expr_real_1): Expand emulated tls.
5826         (expand_expr_addr_expr_1): Likewise.
5827         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5828         * output.h (emutls_finish): Declare.
5829         * toplev.c (compile_file): Call it.
5830         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5831         address before wrapping in CONST.
5832         * varasm.c (emutls_htab, emutls_object_type): New.
5833         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5834         (get_emutls_object_name, get_emutls_object_type): New.
5835         (get_emutls_init_templ_addr, emutls_decl): New.
5836         (emutls_common_1, emutls_finish): New.
5837         (assemble_variable): When emulating tls, swap decls; generate
5838         constructor for the emutls objects.
5839         (do_assemble_alias): When emulating tls, swap decl and target name.
5840         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5841         for emulated tls.
5842         * varpool.c (decide_is_variable_needed): Look at force_output.
5843         Recurse for emulated tls.
5844         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
5845         with decide_is_variable_needed.
5846         * emutls.c: New file.
5847         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5848         tls_object for real tls.
5849
5850 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5851
5852         PR rtl-optimization/29599
5853         * reload1.c (eliminate_regs_in_insn): Take the destination
5854         mode into account when computing the offset.
5855
5856 2007-02-09  Stuart Hastings  <stuart@apple.com>
5857             Richard Henderson  <rth@redhat.com>
5858
5859         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5860         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5861         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
5862         fixuns_truncdfhi2): New.
5863         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
5864         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
5865         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
5866         (floatunssidf2): Allow nonimmediate source.
5867         * gcc/config/i386/sse.md (movdi_to_sse): New.
5868         (vec_concatv2di): Drop '*'.
5869         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
5870         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5871         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
5872         New.
5873         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
5874         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5875         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
5876         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
5877         (ix86_build_signbit_mask): Fix decl of v, refactor to call
5878         ix86_build_const_vector.
5879         (x86_emit_floatuns): Rewrite.
5880
5881 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5882
5883         * genautomata.c (longest_path_length): Delete unused function.
5884         (struct state): Delete unused longest_path_length.
5885         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
5886         (get_free_state): Delete unused.
5887
5888 2007-02-09  Jan Hubicka  <jh@suse.cz>
5889
5890         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
5891         * doc/invoke.texi (inline-unit-growth): Update default value.
5892
5893         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
5894         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
5895         (rebuild_cgraph_edges): Likewise.
5896         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
5897         (dump_cgraph_node): Dump frequencies.
5898         (cgraph_clone_edge): Add frequency scales.
5899         (cgraph_clone_node): Add freuqnecy.
5900         * cgraph.h (cgraph_edge): Add freuqnecy argument.
5901         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
5902         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
5903         * tree-pass.h (TODO_rebuild_frequencies): New constant.
5904         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
5905         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
5906         (save_inline_function_body): Likewise.
5907         * ipa-inline.c: inluce rtl.h
5908         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
5909         (cgraph_edge_badness): Use frequencies.
5910         (cgraph_decide_recursive_inlining): Update clonning.
5911         (cgraph_decide_inlining_of_small_function): Dump frequency.
5912         * predict.c (estimate_bb_frequencies): Export.
5913         * predict.h (estimate_bb_frequencies): Declare.
5914         * tree-inline.c (copy_bb): Watch overflows.
5915         (expand_call_inline): Update call of cgraph_create_edge.
5916         (optimize_inline_calls): Use TODO flags to update frequnecies.
5917         * passes.h: Include predict.h
5918         (init_optimization_passes): Move profile ahead.
5919         (execute_function_todo): Handle TODO_rebuild_frequencies.
5920
5921 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5922
5923         * config/alpha/alpha.c (emit_insxl): Force the first operand of
5924         the insbl or inswl pattern into a register.
5925
5926 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5927
5928         * config/ia64/ia64.md (bswapdi2): New define_insn.
5929
5930 2007-02-09  Richard Henderson  <rth@redhat.com>
5931
5932         * config/i386/constraints.md (Ym): New constraint.
5933         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
5934         (movdi_1_rex64): Split sse and xmm general register moves from
5935         memory move alternatives.  Use conditional register constraints.
5936         (movsf_1, movdf_integer): Likewise.
5937         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5938         (movdf_integer_rex64): New.
5939         (pushsf_rex64): Fix output constraints.
5940         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
5941         (sse2_stored): Likewise.
5942         (sse2_storeq_rex64): New.
5943         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
5944         amd and not generic.
5945         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
5946         for optimize_size.  Remove SF/DFmode hack.
5947
5948 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5949
5950         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
5951         (bit_SSE4a): New.
5952
5953 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
5954             Richard Sandiford  <richard@codesourcery.com>
5955
5956         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
5957         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
5958         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
5959         m68k/t-mlib to tmake_file.
5960         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
5961         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
5962         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
5963         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
5964         variable is not empty, add t-$m68k_arch_family to tmake_file.
5965         Add t-mlibs to tmake_file.
5966         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
5967         * config/m68k/t-cf: New file.
5968         * config/m68k/t-m68k: Likewise.
5969         * config/m68k/t-mlibs: Likewise.
5970         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5971         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5972         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5973         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5974         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
5975         Delete.
5976         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
5977         (INSTALL_LIBGCC): Delete.
5978         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5979         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5980         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5981         (M68K_MLIB_CPU): Define.
5982         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5983         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5984         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
5985
5986 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
5987             Richard Guenther  <rguenther@suse.de>
5988
5989         PR middle-end/23361
5990         * fold-const.c (fold_comparison): Handle obfuscated comparisons
5991         against INT_MIN/INT_MAX.
5992         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
5993         file if a loop is removed.
5994
5995 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
5996
5997         * calls.c (store_one_arg): Pass correct alignment to
5998         emit_push_insn for non-BLKmode values.
5999         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6000         unaligned stack slot via a suitably aligned slot.
6001
6002 2007-02-08  DJ Delorie  <dj@redhat.com>
6003
6004         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6005         warnings.
6006         (legal_subregs): Use unsigned char, make const.
6007         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6008
6009 2007-02-08  Paul Brook  <paul@codesourcery.com>
6010
6011         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6012         special interworking needed.
6013
6014 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6015
6016         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6017         conditional to __SSE2__.
6018         (Entries below should have been added to first ChangeLog
6019         entry for amdfam10 dated 2007-02-05)
6020         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
6021         defined.
6022         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
6023         defined.
6024         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
6025         defined.
6026
6027 2007-02-08  DJ Delorie  <dj@redhat.com>
6028
6029         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
6030         * config/m32c/m32c.c (legal_subregs): New.
6031         (m32c_illegal_subreg_p): New.
6032         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
6033         unsupported subregs of hard regs.
6034
6035 2007-02-08  Jan Hubicka  <jh@suse.cz>
6036
6037         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
6038         the same one; always update histograms.
6039
6040 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6041
6042         * passes.c (init_optimization_passes): Tidy comment.
6043
6044 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6045
6046         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6047         strip zero_extend, bswap and rotates from POCOUNT's argument.
6048         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6049         zero_extend and rotates from PARITY's argument.
6050         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6051         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6052         of an integer constant at compile-time.
6053
6054 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6055
6056         PR 30562
6057         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6058         Update all users.
6059         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6060         users.
6061         (init_alias_info):
6062         * tree-ssa-live.c (remove_unused_locals): Do not remove
6063         TREE_ADDRESSABLE variables.
6064         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
6065         * tree-ssa-operands.c (add_virtual_operand): Remove argument
6066         FOR_CLOBBER.  Update all users.
6067         If VAR has an associated alias set, add a virtual operand for
6068         it if no alias is found to conflict with the memory reference.
6069
6070 2007-02-07  Jan Hubicka  <jh@suse.cz>
6071             Robert Kidd <rkidd@crhc.uiuc.edu>
6072
6073         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
6074
6075 2007-02-07  Ian Lance Taylor  <iant@google.com>
6076
6077         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
6078
6079 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6080
6081         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
6082         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
6083         tablejumpdi, movsi_to_cr_one): Remove constraints from
6084         define_expand's match_operands.
6085
6086 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6087
6088         * global.c (compute_regsets): Move declatation of "i" inside of
6089         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
6090
6091 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
6092
6093         PR c++/30703
6094         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
6095         of INDIRECT_REF <RESULT_DECL>.
6096
6097         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
6098
6099 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
6100             Kaz Kojima  <kkojima@gcc.gnu.org>
6101
6102         PR target/29746
6103         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
6104         properly.
6105         (sh_initialize_trampoline): Add parentheses to avoid a warning.
6106
6107 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
6108
6109         * doc/loop.texi: Document possibility not to perform disambiguation
6110         of loops with multiple latches.
6111         * cfgloopmanip.c (alp_enum_p): Removed.
6112         (add_loop): Handle subloops.  Use get_loop_body_with_size.
6113         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
6114         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
6115         the new forwarder block.
6116         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
6117         Handle the case latch is NULL.
6118         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
6119         when marking loop exits.
6120         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
6121         be modified.
6122         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
6123         disambiguate_loops_with_multiple_latches.
6124         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
6125         before fix_loop_structure.
6126         * cfgloop.c: Include pointer-set.h and output.h.
6127         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
6128         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
6129         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
6130         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
6131         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
6132         disambiguate_multiple_latches, get_loop_body_with_size,
6133         disambiguate_loops_with_multiple_latches): New functions.
6134         (flow_loop_dump): Dump multiple latch edges.
6135         (flow_loop_nodes_find): Handle loops with multiple latches.
6136         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
6137         (glb_enum_p): Modified.
6138         (get_loop_body): Use get_loop_body_with_size.
6139         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
6140         (AVOID_CFG_MODIFICATIONS): New constant.
6141         (disambiguate_loops_with_multiple_latches, add_loop,
6142         get_loop_body_with_size): Declare.
6143         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
6144
6145 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
6146
6147         PR inline-asm/28686
6148         * global.c (compute_regsets): New function.
6149         (global_alloc): Refactored ELIMINABLE_REGSET
6150         and NO_GLOBAL_ALLOC_REGS computation out.
6151         (rest_of_handle_global_alloc): Call compute_regsets()
6152         for non-optimizing case.
6153
6154 2007-02-06  Richard Henderson  <rth@redhat.com>
6155
6156         * config/i386/constraints.md (Y2): Rename from Y.
6157         (Yi): New constraint.
6158         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
6159         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
6160         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
6161         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
6162         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
6163         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
6164         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
6165         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
6166         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
6167         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
6168         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
6169         vec_extractv2si_1): Change Y constraints to Y2.
6170         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
6171         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
6172         Change Y constraints to Y2.
6173         (sse2_loadld): Change Y constraints to x.
6174
6175 2007-02-06  Roger Sayle  <roger@eyesopen.com>
6176
6177         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
6178         (parity<mode>2): New define_expand using rs6000_emit_parity.
6179         * config/rs6000/rs6000.c (rs6000_emit_popcount,
6180         rs6000_emit_parity): New functions.
6181         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
6182         rs6000_emit_parity): Prototype here.
6183
6184 2007-02-06  Ian Lance Taylor  <iant@google.com>
6185
6186         * lower-subreg.c (simple_move_operand): Reject CONST.
6187         (resolve_clobber): Call validate_change rather than directly
6188         assigning to XEXP (pat, 0).
6189
6190 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6191
6192         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
6193         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
6194         (tree-cfg.o): Remove hashtab.h dependency.
6195
6196         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
6197         (struct ivopts_data): Change niters to pointer_map_t.
6198         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
6199         (niter_for_exit): Create pointer_map on demand.  Change for
6200         pointer_map API.
6201         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
6202         (free_loop_data): Destroy data->niters if created and reset field.
6203         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
6204         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
6205
6206         * tree-ssa-reassoc.c: Include pointer-set.h.
6207         (bb_rank): Change to long *.
6208         (operand_rank): Change to pointer_map_t.
6209         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
6210         (insert_operand_rank): Accept long.
6211         (operand_entry_hash, operand_entry_eq): Remove.
6212         (get_rank): Return long.  Adjust for changes above.
6213         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
6214         and operand_rank.
6215         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
6216
6217         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
6218         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
6219         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
6220         is not NULL.
6221         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
6222         directly since it cannot be NULL.
6223         (get_vi_for_tree): Rewrite for pointer_map API.
6224         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
6225         (init_alias_vars): Create vi_for_tree as pointer_map.
6226         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
6227
6228         * tree-cfg.c: Don't include hashtab.h.
6229         (edge_to_cases): Declare as pointer_map.
6230         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
6231         Delete.
6232         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
6233         (start_recording_case_labels): Create edge_to_cases as pointer_map.
6234         (end_recoding_case_labels): Cleanup edge_to_cases manually before
6235         destroying it.
6236         (record_switch_edge): Delete.
6237         (get_cases_for_edge): Adjust for pointer_map API, inline
6238         record_switch_edge (rewritten for new API), remove goto.
6239
6240 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6241
6242         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
6243         * tree-nested.c: Include pointer-set.h.
6244         (var_map_elt, var_map_eq, var_map_hash): Delete.
6245         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
6246         to pointer_map_t's.
6247         (nesting_info_bitmap_obstack): New.
6248         (lookup_field_for_decl): Adjust for pointer_map API.
6249         (lookup_tramp_for_decl): Adjust for pointer_map API.
6250         (get_nonlocal_debug_decl): Adjust for pointer_map API.
6251         (get_local_debug_decl): Adjust for pointer_map API.
6252         (convert_nl_goto_reference): Adjust for pointer_map API.
6253         (convert_nl_goto_receiver): Adjust for pointer_map API.
6254         (create_nesting_tree): Create outside GGC space.  Create bitmap on
6255         the new obstack.  Create field_map and var_map as pointer_maps.
6256         (free_nesting_tree): Adjust for changes to create_nesting_tree.
6257         (root): Delete.
6258         (lower_nested_functions): Move root here, no need to NULL it.
6259         Initialize and release the obstack.
6260
6261 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
6262
6263         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
6264         Remove prototypes and make them non-static.
6265         (struct tree_int_map): Remove.
6266         * tree.h (struct tree_int_map): Move here, turning TO into an
6267         unsigned int.
6268         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
6269
6270         * tree.h (TREE_COMPLEXITY): Remove.
6271         (struct tree_exp): Remove complexity field.
6272         * tree.c (build1_stat): Don't set it.
6273
6274 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
6275             Victor Kaplansky  <victork@il.ibm.com>
6276
6277         * tree-vectorizer.c (vect_is_simple_use): Support induction.
6278         (vect_is_simple_reduction): Support reduction with induction as
6279         one of the operands.
6280         (vect_is_simple_iv_evolution): Fix formatting.
6281         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
6282         formatting.  Don't mark induction phis for vectorization.
6283         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
6284         * tree-vect-transform.c (get_initial_def_for_induction): New function.
6285         (vect_get_vec_def_for_operand): Support induction.
6286         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
6287         induction case.
6288         (vectorizable_reduction): Support reduction with induction as one of
6289         the operands.
6290         (vectorizable_type_demotion): Use def-type of stmt argument rather
6291         than dummy def-type.
6292
6293         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
6294         flag_tree_scev_cprop.
6295         * common.opt (tree-scev-cprop): New flag.
6296
6297         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
6298         call to vect_get_new_vect_var.
6299
6300 2007-02-06  Ira Rosen  <irar@il.ibm.com>
6301
6302         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
6303         vectype is not NULL.
6304         (vect_pattern_recog_1): Likewise.
6305
6306 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6307
6308         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
6309         (fold_negate_expr): Likewise.
6310
6311 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
6312
6313         PR debug/30189
6314         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
6315         even if cv-qualification is the same.
6316
6317 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
6318
6319         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
6320         __enable_execute_stack on completion.
6321
6322 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6323
6324         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
6325         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
6326         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
6327         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
6328         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
6329         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
6330         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
6331         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
6332
6333 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6334
6335         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
6336         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
6337         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
6338         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
6339         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
6340         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
6341         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
6342         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
6343         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
6344         umuldi3_highpart_rex64, umulsi3_highpart_insn,
6345         umulsi3_highpart_zext, smuldi3_highpart_rex64,
6346         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
6347         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
6348         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
6349         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
6350         sqrtextenddfxf2_i387): Added amdfam10_decode.
6351
6352         * config/i386/athlon.md (athlon_idirect_amdfam10,
6353         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
6354         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
6355         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
6356         athlon_ivector_store_amdfam10): New define_insn_reservation.
6357         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
6358         amdfam10.
6359
6360 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6361
6362         * config/i386/athlon.md (athlon_call_amdfam10,
6363         athlon_pop_amdfam10, athlon_lea_amdfam10): New
6364         define_insn_reservation.
6365         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
6366         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
6367         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
6368
6369 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6370
6371         * config/i386/athlon.md (athlon_sseld_amdfam10,
6372         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
6373         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
6374
6375 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6376
6377         * config/i386/athlon.md (athlon_sseins_amdfam10): New
6378         define_insn_reservation.
6379         * config/i386/i386.md (sseins): Added sseins to define_attr type
6380         and define_attr unit.
6381         * config/i386/sse.md: Set type attribute to sseins for insertq
6382         and insertqi.
6383
6384 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6385
6386         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
6387         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
6388         ssecomi_load_amdfam10, ssecomi_amdfam10,
6389         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
6390         define_insn_reservation.
6391         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
6392
6393 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6394
6395         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
6396         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
6397         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
6398         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
6399         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
6400         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
6401         define_insn_reservation.
6402
6403         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
6404         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
6405         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
6406         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
6407         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
6408
6409 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6410
6411         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
6412         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
6413         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
6414         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
6415         athlon_ssemul_load_k8): Added amdfam10.
6416
6417 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6418
6419         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
6420         (x86_sse_unaligned_move_optimal): New variable.
6421
6422         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
6423         m_AMDFAM10.
6424         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
6425         for unaligned vector SSE double/single precision loads for AMDFAM10.
6426
6427 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6428
6429         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
6430         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
6431         Define TARGET_CPU_DEFAULT_amdfam10.
6432         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
6433         (processor_type): Add PROCESSOR_AMDFAM10.
6434
6435         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
6436         processor_type in config/i386/i386.h.
6437         Enable imul peepholes for TARGET_AMDFAM10.
6438
6439         * config.gcc: Add support for --with-cpu option for amdfam10.
6440
6441         * config/i386/i386.c (amdfam10_cost): New variable.
6442         (m_AMDFAM10): New macro.
6443         (m_ATHLON_K8_AMDFAM10): New macro.
6444         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
6445         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
6446         x86_promote_QImode, x86_integer_DFmode_moves,
6447         x86_partial_reg_dependency, x86_memory_mismatch_stall,
6448         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
6449         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
6450         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
6451         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
6452         Enable/disable for amdfam10.
6453         (override_options): Add amdfam10_cost to processor_target_table.
6454         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
6455         processor_alias_table.
6456         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
6457         (ix86_adjust_cost): Add code for amdfam10.
6458
6459 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6460
6461         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
6462         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
6463         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
6464         * config/i386/i386.h: Add builtin definition for SSE4A.
6465         * config/i386/i386.md: Add support for ABM instructions
6466         (popcnt and lzcnt).
6467         * config/i386/sse.md: Add support for SSE4A instructions
6468         (movntss, movntsd, extrq, insertq).
6469         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
6470         Add -march=amdfam10 flag.
6471         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
6472         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
6473         and amdfam10.
6474         * doc/extend.texi: Add documentation for SSE4A builtins.
6475
6476 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
6477
6478         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
6479
6480 2007-02-05  Richard Guenther  <rguenther@suse.de>
6481
6482         * tree-vectorizer.h (vectorizable_function): Add argument type
6483         argument, change return type.
6484         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
6485         * tree-vect-transform.c (vectorizable_function): Handle extra
6486         argument, return vectorized function decl.
6487         (build_vectorized_function_call): Remove.
6488         (vectorizable_call): Handle calls with result and argument types
6489         differing.  Handle loop vectorization factor correctly.
6490         * targhooks.c (default_builtin_vectorized_function): Adjust for
6491         extra argument.
6492         * targhooks.h (default_builtin_vectorized_function): Likewise.
6493         * target.h (builtin_vectorized_function): Add argument type
6494         argument.
6495         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
6496         extra argument, allow vectorizing of lrintf.
6497         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
6498         documentation of target hook.
6499
6500 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
6501
6502         PR target/30665
6503         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
6504         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
6505         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
6506
6507 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6508
6509         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
6510         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
6511         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
6512         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
6513         before canonicalizing sincos to cexpi.
6514         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
6515
6516 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6517
6518         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
6519         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
6520         (alpha_init_builtins): Use alpha_add_builtins to process tables.
6521
6522 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6523
6524         * mips-tfile.c (initialize_init_file): Correct endianness test.
6525
6526 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
6527
6528         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
6529         the 'y' constraint.
6530
6531 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6532
6533         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
6534         saves in a PARALLEL before the register assignments.
6535
6536 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6537
6538         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
6539         DWARF_FRAME_RETURN_COLUMN to be a general register.
6540         * dwarf2out.c (init_return_column_size): New function, split from...
6541         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
6542         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
6543         to be nongeneral registers.
6544         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
6545         integer registers.
6546         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
6547         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
6548
6549 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6550
6551         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
6552
6553 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6554
6555         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
6556         (remove_path): Use can_remove_branch_p and remove_branch instead
6557         of loop_delete_branch_edge.
6558         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
6559         (tree_transform_and_unroll_loop): Remove dead branches immediately.
6560         Update profile using scale_dominated_blocks_in_loop.
6561         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
6562         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
6563         (can_remove_branch_p, remove_branch): Declare.
6564         * tree-cfg.c (tree_can_remove_branch_p): New function.
6565         (tree_cfg_hooks): Add tree_can_remove_branch_p.
6566         * cfgrtl.c (rtl_can_remove_branch_p): New function.
6567         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
6568
6569 2007-02-05  Jan Hubicka  <jh@suse.cz>
6570
6571         PR middle-end/30696
6572         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
6573         nodes in cgraph, don't remove offline copy of the function.
6574
6575 2007-02-04  Jan Hubicka  <jh@suse.cz>
6576
6577         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
6578         vectors might cause maybe_lookup_element_for_expr to be called
6579         on non-sra-candidate.
6580
6581 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6582
6583         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
6584         config/bfin/bfin.md, config/bfin/predicates.md: Follow
6585         spelling conventions.
6586
6587 2007-02-04  Richard Guenther  <rguenther@suse.de>
6588
6589         PR middle-end/30636
6590         * fold-const.c (try_move_mult_to_index): Make sure to not
6591         overflow one dimension of a multi-dimensional array access.
6592
6593 2007-02-04  Jan Hubicka  <jh@suse.cz>
6594
6595         * passes.c (init_optimization_passes): Reindent.
6596
6597 2007-02-04  Jan Hubicka  <jh@suse.cz>
6598             Eric Botcazou  <ebotcazou@adacore.com>
6599
6600         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
6601         (execute_fixup_cfg): Break out the abnormal goto code.
6602         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
6603         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
6604         (optimize_inline_calls): Call make_nonlocal_label_edges.
6605
6606 2007-02-04  Jan Hubicka  <jh@suse.cz>
6607
6608         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
6609         true when something was changed.
6610         (rename_ssa_copies): When something was changed, do
6611         TODO_remove_unused_locals.
6612         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6613         add TODO_remove_unused_locals when instruction was removed.
6614
6615 2007-02-04  Jan Hubicka  <jh@suse.cz>
6616
6617         * ipa-inline.c (try_inline): Improve debug output; work on already
6618         inline edges too.
6619         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
6620         call try_inline for already inlined edges too when flattening;
6621         inline also functions that make callee growth but overall unit size
6622         reduce.
6623
6624 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6625
6626         * config/m32c/bitops.md, config/m32c/jump.md,
6627         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
6628         config/m32r/m32r.h, config/m32r/m32r.md,
6629         config/m32r/predicates.md, config/m68hc11/larith.asm,
6630         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
6631         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
6632         config/mips/mips-protos.h, config/mips/mips.c,
6633         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
6634         config/mn10300/mn10300.h, config/mn10300/predicates.md,
6635         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
6636         spelling conventions.
6637
6638         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
6639         Follow spelling conventions.
6640
6641 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
6642
6643         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
6644         warn about C++0x compatibility.
6645
6646 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6647
6648         * config/h8300/h8300.c, config/h8300/h8300.h,
6649         config/h8300/h8300.md: Follow spelling conventions.
6650
6651 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
6652
6653         PR middle-end/30667
6654         * combine.c (try_combine): Do not substitute source operand
6655         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
6656
6657 2007-02-03  Jan Hubicka  <jh@suse.cz>
6658
6659         PR gcov-profile/30650
6660         * value-prof.c (stringop_block_profile): Fix handling of size counter;
6661         do not divide by zero for never executed counters.
6662         (tree_find_values_to_profile): Fix counters.
6663         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
6664
6665 2007-02-03  Ian Lance Taylor  <iant@google.com>
6666
6667         * lower-subreg.c (simple_move_operand): New static function,
6668         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
6669         operands.
6670         (simple_move): Call simple_move_operand.
6671         (find_decomposable_subregs): Add special handling of MEMs.
6672         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
6673         meaning of return value.  If we see a hard register, test whether
6674         it can store a word_mode value.  Change all callers.
6675
6676 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6677
6678         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
6679         ftrapv insns and expanders.
6680         (subdi3): Change define_expand operand 1 to arith11_operand, and
6681         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
6682         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
6683         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
6684         respectively.
6685
6686         PR middle-end/30174
6687         * varasm.c (notice_global_symbol): Treat global objects as weak when
6688         flag_shlib is true.
6689
6690 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6691
6692         * emit-rtl.c (dconstpi): Delete.
6693         (dconstsqrt2): New.
6694         (init_emit_once): Delete dconstpi and init dconstsqrt2.
6695         * real.h (dconstpi): Delete.
6696         (dconstsqrt2): New.
6697         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
6698         (fold_builtin_hypot): Likewise.
6699
6700 2007-02-03  Tom Tromey  <tromey@redhat.com>
6701
6702         PR driver/30246
6703         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
6704         -gcoff3, -gxcoff3, -gvms3 implies -dD.
6705
6706 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
6707
6708         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
6709         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
6710         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
6711         config/rs6000/cell.md, config/rs6000/darwin.h,
6712         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
6713         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
6714         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
6715         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
6716         typos.  Follow spelling conventions.
6717         * doc/invoke.texi: Follow spelling conventions.
6718
6719 2007-02-03  Roger Sayle  <roger@eyesopen.com>
6720
6721         * simplify-rtx.c (simplify_relational_operation_1): Implement some
6722         canonicalization transformations that attempt to simplify integer
6723         constant comparisons to become comparisons against zero.
6724
6725 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6726
6727         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
6728         fabs(x)*sqrt(2).
6729         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
6730         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
6731
6732 2007-02-02  Mike Stump  <mrs@apple.com>
6733
6734         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
6735         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
6736         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
6737         generate a branch island.
6738
6739 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
6740
6741         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
6742         (xtensa_legitimate_address_p): New.
6743         (xtensa_legitimize_address): New.
6744         (xtensa_output_addr_const_extra): New.
6745         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
6746         (BASE_REG_P): New.
6747         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
6748         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
6749         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
6750         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
6751         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
6752         (xtensa_legitimize_address): New.
6753         (xtensa_output_addr_const_extra): New.
6754
6755 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
6756
6757         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
6758
6759 2007-02-02  Ian Lance Taylor  <iant@google.com>
6760
6761         * expmed.c (expand_divmod): Add comment.
6762
6763 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
6764
6765         * emit-rtl.c (renumber_insns): Remove.
6766         * flags.h: Remove the extern for flag_renumber_insns.
6767         * rtl.h: Remove the prototype for renumber_insns.
6768         * toplev.c (flag_renumber_insns): Remove.
6769
6770 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
6771
6772         Revert for x86 darwin:
6773         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
6774
6775         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
6776         code before the following patch under TARGET_MACHO.
6777         (ix86_function_value_regno_p): Likewise.
6778
6779 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6780
6781         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
6782         COMPLEX_EXPR.
6783
6784 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
6785
6786         PR target/29682
6787         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
6788         general or fp registers.  Add comments.
6789         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
6790
6791 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
6792
6793         * pointer-set.c (insert_aux): Only return insertion slot.
6794         (pointer_set_insert): Adjust.
6795         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
6796         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
6797         pointer_map_traverse): New.
6798         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
6799         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
6800         pointer_map_contains, pointer_map_traverse): Declare.
6801
6802 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
6803
6804         PR middle-end/30473
6805         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
6806         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
6807
6808 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
6809
6810         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
6811
6812         (struct _dep): New type.
6813         (dep_t): New typedef.
6814         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
6815         (DEP_STATUS): New access macro.  The macro with the same name was
6816         renamed to DEP_LINK_STATUS.
6817         (dep_init): Declare function
6818
6819         (struct _dep_link): New type.
6820         (dep_link_t): New typedef.
6821         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
6822         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
6823         (DEP_LINK_STATUS): New macro.
6824         (debug_dep_links): New debug function.
6825
6826         (struct _deps_list): New type.
6827         (deps_list_t): New typedef.
6828         (DEPS_LIST_FIRST): New access macro.
6829         (FOR_EACH_DEP_LINK): New cycle macro.
6830         (create_deps_list, free_deps_list, delete_deps_list): Declare
6831         functions.
6832         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
6833         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
6834         (copy_deps_list_change_con): Ditto.
6835
6836         (move_dep_link): Declare function.
6837
6838         (struct _dep_node): New type.
6839         (dep_node_t): New typedef.
6840         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
6841
6842         (struct haifa_insn_data.back_deps): New field to hold backward
6843         dependencies of the insn.
6844         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
6845         to deps_list_t.
6846         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
6847         Change its type to deps_list_t.
6848         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
6849         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
6850         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
6851
6852         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
6853
6854         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
6855
6856         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
6857         all callers.
6858         (dep_cost): Declare.
6859
6860         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
6861         (ds_to_dk, dk_to_ds): New functions.
6862
6863         (init_dep_1): New static function.
6864         (init_dep): New function.
6865         (copy_dep): New static function.
6866
6867         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
6868         functions.
6869         (detach_dep_link): New static function.
6870         (move_dep_link): New function.
6871
6872         (dep_links_consistent_p, dump_dep_links): New static functions.
6873         (debug_dep_links): New debugging function.
6874
6875         (deps_obstack, dl_obstack, dn_obstack): New static variables.
6876
6877         (alloc_deps_list, init_deps_list): New static functions.
6878         (create_deps_list): New function.
6879         (clear_deps_list): New static function.
6880         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
6881         (deps_list_consistent_p, dump_deps_list): New static functions.
6882         (debug_deps_list): New function.
6883         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
6884         functions.
6885         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
6886
6887         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
6888         use new scheduler dependencies lists.
6889         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
6890         (sched_analyze): Ditto.  Initialize dependencies lists.
6891         (add_forw_dep, compute_forward_dependences): Update to use new
6892         scheduler dependencies lists.
6893
6894         (init_dependency_caches): Init deps_obstack.
6895         (free_dependency_caches): Free deps_obstack.
6896
6897         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
6898         new scheduler dependencies lists.
6899         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
6900         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6901
6902         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
6903         Update to use new scheduler dependencies lists.
6904         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
6905         (debug_dependencies): Ditto.
6906         (schedule_region): Update comments.
6907
6908         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
6909         scheduler dependencies lists.
6910         (schedule_ebb): Update comments.
6911
6912         * rtl.def (DEPS_LIST): Remove.
6913
6914         * lists.c (unused_deps_list): Remove.
6915         (free_list): Update assertions.
6916
6917         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
6918         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6919
6920         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
6921         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6922
6923         * haifa-sched.c (comments): Update.
6924         (insn_cost1): Remove.  Inline the code into insn_cost ().
6925         (insn_cost): Update to use new scheduler dependencies lists.  Move
6926         processing of the dependency cost to dep_cost ().
6927         (dep_cost): New function.  Use it instead of insn_cost () when
6928         evaluating cost of the dependency.  Use compatible interface to
6929         interact with the target.
6930         (priority): Update to use new scheduler dependencies lists.
6931         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
6932         with greater number of insns that depend on the insn.
6933         (schedule_insn): Update to use new scheduler dependencies lists.  Add
6934         code to free backward dependencies lists.  Inline and optimize code
6935         from resolve_dep () - see PR28071.
6936         (ok_for_early_queue_removal): Update to use new scheduler dependencies
6937         lists.  Update call to targetm.sched.is_costly_dependence hook.
6938
6939         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
6940         scheduler dependencies lists.
6941
6942         (resolve_dep): Remove.  Move the logic to schedule_insn ().
6943         (init_h_i_d): Initialize dependencies lists.
6944
6945         (process_insn_depend_be_in_spec): Rename to
6946         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
6947         dependencies lists.
6948         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
6949         Update to use new scheduler dependencies lists.
6950         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
6951
6952         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
6953         new scheduler dependencies lists.
6954         (build_intra_loop_deps): Ditto.
6955
6956         * target.h (struct _dep): Declare to use in
6957         gcc_target.sched.is_costly_dependence.
6958         (struct gcc_target.sched.adjust_cost): Fix typo.
6959         (struct gcc_target.sched.is_costly_dependence): Change signature to use
6960         single dep_t parameter instead of an equivalent triad.
6961         (struct gcc_target.sched.adjust_cost_2): Remove.
6962
6963         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
6964
6965         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
6966
6967         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
6968         documentation.
6969         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
6970
6971         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
6972         (REG_DEP_TRUE): Document.
6973
6974         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
6975         Change signature to correspond to the targetm.sched.adjust_cost hook.
6976         Update use in TARGET_SCHED_ADJUST_COST_2.
6977         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
6978         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
6979         new scheduler dependencies lists.
6980         (ia64_gen_check): Ditto.
6981
6982         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
6983         dependencies lists.
6984
6985         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
6986         signature to correspond to the targetm.sched.is_costly_dependence hook.
6987         (is_costly_group): Update to use new scheduler dependencies lists.
6988
6989         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
6990         instead of INSN_COST () macro.
6991
6992 2007-02-01  Ian Lance Taylor  <iant@google.com>
6993
6994         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
6995
6996 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
6997
6998         * pa.md (tp_load): Correct mfctl instruction syntax.
6999
7000 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7001
7002         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7003         altivec_padding_size calculation on AIX.  Improve comment, add
7004         assert to verify that it's right.
7005
7006         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7007         64-bit.
7008
7009 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7010
7011         PR inline-asm/28686
7012         * global.c (global_alloc): Add mising initialization of
7013         ELIMINABLE_REGSET.
7014
7015 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7016
7017         * alias.c (init_alias_analysis): Correct whitespace.
7018         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7019         partition_hot_cold_basic_blocks): Likewise.
7020         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
7021         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
7022         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
7023         fold_builtin_snprintf_chk, fold_builtin_printf,
7024         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
7025         do_mpfr_arg3, do_mpfr_sincos): Likewise.
7026         * cfgcleanup.c (cleanup_cfg): Likewise.
7027         * cfgexpand.c (tree_expand_cfg): Likewise.
7028         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
7029         * function.c (get_next_funcdef_no): Likewise.
7030         * gengtype.c (main): Likewise.
7031         * genmodes.c (main): Likewise.
7032         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
7033         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
7034         * ifcvt.c (noce_emit_move_insn): Likewise.
7035         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
7036         Likewise.
7037         * stor-layout.c (get_best_mode): Likewise.
7038         * tree-ssa-loop-niter.c (get_val_for): Likewise.
7039         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
7040         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
7041         perform_var_substitution, solve_graph): Likewise.
7042         * tree-vrp.c (vrp_finalize): Likewise.
7043
7044 2007-02-01  Ian Lance Taylor  <iant@google.com>
7045
7046         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7047         high part of a paradoxical subreg, return a constant zero.
7048
7049 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7050
7051         * toplev.c (lang_dependent_init): Call init_set_costs.
7052         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7053
7054 2007-02-01  Richard Guenther  <rguenther@suse.de>
7055
7056         PR middle-end/30656
7057         * fold-const.c (fold_negate_expr): Allow negating a
7058         constant if overflow does not change.
7059
7060 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7061
7062         * doc/c-tree.texi (Expression trees): Improve markup.
7063         * doc/tm.texi (Register Classes, Addressing Modes)
7064         (Floating Point): Fix spacing after abbreviations.  Fix some
7065         typos.
7066
7067 2007-02-01  Ben Elliston  <bje@au.ibm.com>
7068
7069         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
7070         * doc/contrib.texi: Likewise.
7071         * doc/install.texi: Likewise.
7072
7073 2007-01-31  Richard Henderson  <rth@redhat.com>
7074             Ian Lance Taylor  <iant@google.com>
7075
7076         * lower-subreg.c: New file.
7077         * rtl.def (CONCATN): Define.
7078         * passes.c (init_optimization_passes): Add pass_lower_subreg and
7079         pass_lower_subreg2.
7080         * emit-rtl.c (update_reg_offset): New static function, broken out
7081         of gen_rtx_REG_offset.
7082         (gen_rtx_REG_offset): Call update_reg_offset.
7083         (gen_reg_rtx_offset): New function.
7084         * regclass.c: Revert patch of 2006-03-05, restoring
7085         reg_scan_update.
7086         (clear_reg_info_regno): New function.
7087         * dwarf2out.c (concatn_loc_descriptor): New static function.
7088         (loc_descriptor): Handle CONCATN.
7089         * common.opt (fsplit_wide_types): New option.
7090         * opts.c (decode_options): Set flag_split_wide_types when
7091         optimizing.
7092         * timevar.def (TV_LOWER_SUBREG): Define.
7093         * rtl.h (gen_reg_rtx_offset): Declare.
7094         (reg_scan_update): Declare.
7095         * regs.h (clear_reg_info_regno): Declare.
7096         * tree-pass.h (pass_lower_subreg): Declare.
7097         (pass_lower_subreg2): Declare.
7098         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
7099         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
7100         -fsplit-wide-types.
7101         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
7102         * Makefile.in (OBJS-common): Add lower-subreg.o.
7103         (lower-subreg.o): New target.
7104
7105 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7106
7107         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
7108
7109 2007-01-31  Anatoly Sokolov <aesok@post.ru>
7110
7111         PR target/19087
7112         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
7113
7114 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7115
7116         PR middle-end/29335
7117         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
7118
7119 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
7120
7121         * cfgloop.h: Include vec-prim.h.
7122         (enum li_flags): Remove LI_ONLY_OLD.
7123         (loop_iterator): Changed.
7124         (fel_next, fel_init): Iterate over loop tree.
7125         (FOR_EACH_LOOP_BREAK): New macro.
7126         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
7127         FOR_EACH_LOOP.
7128         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
7129         * modulo-sched.c (sms_schedule): Ditto.
7130         * tree-vectorizer.c (vectorize_loops): Ditto.
7131         * doc/loop.texi: Update information on loop numbering and behavior of
7132         FOR_EACH_LOOP wrto new loops.
7133         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7134         add_to_evolution_1): Test nestedness of loops instead of comparing
7135         their numbers.
7136         * tree-chrec.c (chrec_fold_plus_poly_poly,
7137         chrec_fold_multiply_poly_poly, chrec_evaluate,
7138         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
7139         reset_evolution_in_loop): Ditto.
7140         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
7141
7142 2007-01-31  Dirk Mueller  <dmueller@suse.de>
7143
7144         * c-common.c (warn_about_parentheses): Separate warning about
7145         un-parenthized sequence of comparison operators from the one
7146         which is supposed to warn about x <= y <= z.
7147
7148 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
7149
7150         * optabs.h (enum optab_index): Add new OTI_isinf.
7151         (isinf_optab): Define corresponding macro.
7152         * optabs.c (init_optabs): Initialize isinf_optab.
7153         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
7154         patterns.
7155         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
7156         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
7157         using isinf_optab.
7158         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
7159         expand_builtin_interclass_mathfn.
7160         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
7161         * config/i386/i386.md (UNSPEC_FXAM): New constant.
7162         (fxam<mode>2_i387): New insn pattern.
7163         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
7164         built-in functions as x87 inline asm.
7165
7166 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7167
7168         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
7169
7170 2007-01-30  Eric Christopher  <echristo@apple.com>
7171
7172         * config.gcc: Add geode.
7173
7174 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7175
7176         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
7177         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
7178         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
7179         value-prof.c: Fix comment typos.
7180
7181 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7182
7183         PR c++/24745
7184         * doc/invoke.texi (Wpointer-arith): Document warning.
7185
7186 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
7187
7188         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
7189         the list of discrepancies from the draft TR.
7190
7191 2007-01-30  Dirk Mueller  <dmueller@suse.de>
7192
7193         PR c++/30601
7194         * doc/invoke.texi (-Wreturn-type): Update description to
7195         match new behavior.
7196
7197 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
7198
7199         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
7200
7201 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
7202
7203         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
7204         to handle optabs that operate on floating point input argument and
7205         output to integer output.
7206         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
7207         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
7208         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
7209         expand_builtin_interclass_mathfn ().
7210         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
7211         (ilogbsi2): Remove.
7212         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
7213         ilogbl built-in functions as x87 intrinsics.
7214
7215 2007-01-30  Richard Guenther  <rguenther@suse.de>
7216
7217         PR middle-end/27657
7218         * dwarf2out.c (reference_to_unused): Query varpool if the
7219         variable was output.
7220
7221 2007-01-30  Richard Guenther  <rguenther@suse.de>
7222
7223         PR middle-end/30313
7224         * passes.c (execute_one_pass): Reset in_gimple_form to not
7225         confuse non-unit-at-a-time mode.
7226
7227 2007-01-29  Roger Sayle  <roger@eyesopen.com>
7228             Richard Guenther  <rguenther@suse.de>
7229
7230         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
7231         avoid undefined behaviour on overflow.  Use force_fit_type_double
7232         to construct the constant with the specified TREE_OVERFLOW.
7233
7234 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7235
7236         * config/dfp-bit.c: Add parameterized support for fp exceptions.
7237         * config/dfp-bit.h: Ditto.
7238
7239 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7240
7241         * c-decl.c (pop_scope): Replace warnings with call to
7242         warn_for_unused_label.
7243         * c-common.h (warn_for_unused_label): Declare.
7244         * c-common.c (warn_for_unused_label): Define.
7245
7246 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7247
7248         * tree-optimize.c (update_inlined_to_pointers): Delete unused
7249         function.
7250
7251 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7252
7253         * Makefile.in (USER_H): Remove decfloat.h.
7254         * ginclude/decfloat.h: Delete, moving contents to ...
7255         * ginclude/float.h: Add support for decimal floating point,
7256         guarded by __STDC_WANT_DEC_FP__.
7257
7258 2007-01-29  Mike Stump  <mrs@apple.com>
7259
7260         * doc/gccint.texi (Top): Rename Loop Representation to Loop
7261         Analysis and Representation to resolve case insensitive conflict.
7262         * doc/loop.texi (Loop Analysis and Representation): Likewise.
7263
7264 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
7265
7266         * tree.h (struct tree_memory_tag): Add aliases member.
7267         (MTAG_ALIASES): New macro.
7268         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
7269         (add_may_alias): Remove pointer-set. Update for may_aliases being
7270         a bitmap.
7271         (mark_aliases_call_clobbered): Update for may_aliases being a
7272         bitmap.
7273         (compute_tag_properties): Ditto.
7274         (create_partition_for): Ditto.
7275         (compute_memory_partitions): Ditto.
7276         (dump_may_aliases_for): Ditto.
7277         (is_aliased_with): Ditto.
7278         (add_may_alias_for_new_tag): Ditto.
7279         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
7280         (compute_is_aliased): New function.
7281         (compute_may_aliases): Call compute_is_aliased).
7282         (init_alias_info): Initialize alias_bitmap_obstack.
7283         (union_alias_set_into): New function.
7284         (compute_flow_sensitive_aliasing): Use union_aliases_into.
7285         (have_common_aliases_p): Rewrite to take two bitmaps and use
7286         intersection.
7287         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
7288         Update for bitmaps.
7289         (finalize_ref_all_pointers): Update for add_may_alias changes.
7290         (new_type_alias): Ditto.
7291         * tree-flow-inline.h (may_aliases): Return a bitmap.
7292         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
7293         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
7294         may_aliases being a bitmap.
7295         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
7296         may_aliases now returns a bitmap.
7297         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
7298         being a bitmap.
7299         * tree-ssa-operands.c (add_virtual_operand): Update for
7300         may_aliases being a bitmap.
7301
7302 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
7303
7304         PR tree-optimization/30630
7305         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
7306         variable as changed.
7307
7308 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
7309
7310         PR c++/28266
7311         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
7312         expanded only once even if an error occurs.
7313
7314 2007-01-29  Ben Elliston  <bje@au.ibm.com>
7315
7316         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
7317         (__gcov_average_profiler): Likewise.
7318         (__gcov_ior_profiler): Likewise.
7319         (__gcov_merge_ior): Likewise.
7320
7321 2007-01-28  Jan Hubicka  <jh@suse.cz>
7322
7323         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
7324         * value-prof.c (stringop_block_profile): Likewise.
7325
7326 2007-01-28  Jan Hubicka  <jh@suse.cz>
7327
7328         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
7329         variant handling histograms; add wrapper.
7330         (clear_storage_via_libcall): Export.
7331         (emit_block_move_hints): Break out from ...; add histograms.
7332         (emit_block_move): ... this one.
7333         (clear_storage_hints): Break out from ...; add histograms.
7334         (clear_storage): ... this one.
7335         (set_storage_via_memset): Handle histogram.
7336         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
7337         (clear_storage_hints, clear_storage_via_libcall): Declare.
7338         (set_storage_via_setmem): Update prototype.
7339         * doc/md.texi (movmem, setmem): Document new arguments.
7340
7341         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
7342         new histograms.
7343         (stringop_block_profile): New global function.
7344         (tree_stringops_values_to_profile): Profile block size and alignment.
7345         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
7346         HIST_TYPE_IOR.
7347         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
7348         (stringop_block_profile): Declare.
7349         * builtins.c: Include value-prof.h.
7350         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
7351         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
7352         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
7353         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
7354         * profile.c (instrument_values): Add new counters.
7355         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
7356         calls.
7357         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
7358         (tree_init_edge_profiler): Build new profilers.
7359         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
7360         (pass_tree_profile): Add dump.
7361         (tree_profile_hooks): Update.
7362         * Makefile.in (LIBGCOV): Add new constants.
7363         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
7364         __gcov_ior_profiler): New.
7365         * i386.md (movmem/setmem expanders): Add new optional arguments.
7366
7367 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
7368
7369         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
7370
7371 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7372
7373         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
7374         (tree_unswitch_single_loop): Pass eni_size_weights to
7375         tree_num_loop_insns.
7376         * tree-ssa-loop-manip.c: Include tree-inline.h.
7377         (can_unroll_loop_p): Pass eni_size_weights to
7378         tree_num_loop_insns.
7379         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
7380         Pass eni_size_weights to estimate_num_insns.
7381         * tree.h (init_inline_once): Export.
7382         * toplev.c (backend_init): Call init_inline_once.
7383         * cgraphunit.c (cgraph_process_new_functions,
7384         cgraph_analyze_function): Pass eni_inlining_weights to
7385         estimate_num_insns.
7386         * ipa-inline.c (compute_inline_parameters): Ditto.
7387         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
7388         to estimate_num_insns.
7389         (try_unroll_loop_completely): Pass eni_size_weights to
7390         tree_num_loop_insns.
7391         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
7392         ot estimate_num_insns.
7393         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
7394         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
7395         * tree-inline.c (eni_inlining_weights, eni_size_weights,
7396         eni_time_weights): New variables.
7397         (init_inline_once): Initialize them.
7398         (struct eni_data): Mew.
7399         (estimate_num_insns_1, estimate_num_insns): Use weights.
7400         * tree-inline.h (struct eni_weights_d): New.
7401         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
7402         (estimate_num_insns): Declaration changed.
7403         * cfgloop.h (tree_num_loop_insns): Declaration changed.
7404         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
7405         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
7406
7407 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7408
7409         * tree-data-ref.c (conflict_fn): Assert that the number of affine
7410         relations in the conflict function is valid.
7411
7412 2007-01-27  Ian Lance Taylor  <iant@google.com>
7413
7414         * common.opt: Add fstrict-overflow.
7415         * opts.c (decode_options): Set flag_strict_overflow if -O2.
7416         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
7417         (TYPE_OVERFLOW_UNDEFINED): Define.
7418         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
7419         Replace all uses.
7420         * tree.h (TYPE_TRAP_SIGNED): Don't define.
7421         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
7422         (fold_negate_expr): Likewise.
7423         (make_range): Likewise.
7424         (extract_muldiv_1): Likewise.
7425         (maybe_canonicalize_comparison): Likewise.
7426         (fold_comparison): Likewise.
7427         (fold_binary): Likewise.
7428         (tree_expr_nonnegative_p): Likewise.
7429         (tree_expr_nonzero_p): Likewise.
7430         * tree-vrp.c (compare_values): Likewise.
7431         (extract_range_from_binary_expr): Likewise.
7432         (extract_range_from_unary_expr): Likewise.
7433         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
7434         Likewise.
7435         (nowrap_type_p): Likewise.
7436         * tree-scalar-evolution.c (simple_iv): Likewise.
7437         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
7438         (build_range_check): Likewise.
7439         (extract_muldiv_1): Likewise.
7440         (fold_comparison): Likewise.
7441         * tree-vrp.c (vrp_int_const_binop): Likewise.
7442         (extract_range_from_unary_expr): Likewise.
7443         * convert.c (convert_to_integer): Likewise.
7444         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
7445         (fold_comparison): Likewise.
7446         (fold_binary): Likewise.
7447         * optabs.c (optab_for_tree_code): Likewise.
7448         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
7449         * simplify-rtx.c (simplify_const_relational_operation): Check
7450         flag_strict_overflow and flag_trapv.
7451         (simplify_const_relational_operation): Likewise.
7452         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
7453         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
7454         -fstrict-overflow.
7455
7456 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7457
7458         * tree.c (tree_fold_gcd): Delete.
7459         * tree.h (tree_fold_gcd): Remove prototype.
7460         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
7461         test whether one constant integer is a multiple of another.  Instead
7462         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
7463         * fold-const.c (multiple_of_p):  We've determined both TOP and
7464         BOTTOM are integer constants so we can call int_const_binop directly
7465         instead of the more generic const_binop.
7466
7467 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7468
7469         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
7470         1*X check that the constant hasn't overflowed, to preserve the
7471         TREE_OVERFLOW bit.
7472         (round_up): Provide an efficient implementation when rouding-up an
7473         INTEGER_CST to a power-of-two.
7474
7475 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7476
7477         * doc/sourcebuild.texi: Add comma for clarity.
7478         * doc/extend.texi: Fix some typos.
7479         * doc/passes.texi: Likewise.
7480         * doc/cppinternals.texi: Likewise.
7481         * doc/c-tree.texi: Likewise.
7482         * doc/tree-ssa.texi: Likewise.
7483         * doc/install.texi: Likewise.
7484
7485 2007-01-27  Jan Hubicka  <jh@suse.cz>
7486
7487         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
7488         (pass_sra): Do not require alias information.
7489         * passes.c (init_optimization_passes): Add SRA
7490
7491 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
7492
7493         * tracer.c (rest_of_handle_tracer): We already cleaned
7494         up the CFG in tracer() so don't do it here again.
7495         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
7496         cleanup_cfg here, either.  And don't call renumber_insns.
7497
7498         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
7499         and BB_HEAD are in the insn stream here.  Instead make sure
7500         that BB_INSN is valid on all insns.  Also, do check here that
7501         there are no pending branch predictions...
7502         (rtl_verify_flow_info): ...instead of doing it here.  Checks
7503         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
7504         here.
7505
7506 2007-01-26  Roger Sayle  <roger@eyesopen.com>
7507
7508         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
7509         function to simplify/factorize operand order canonicalization.
7510         (ix86_fixup_binary_operands): Reorganize using the above function.
7511         (ix86_binary_operator_ok): Likewise.
7512
7513 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
7514
7515         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
7516         file scope from optimize_attrs.
7517         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
7518         up search.
7519         (optimize_attrs): Clear insn_code_values after freeing it.
7520
7521 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7522
7523         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
7524         a parts.base assignment.
7525
7526 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7527
7528         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
7529         (compute_subscript_distance, initialize_data_dependence_relation,
7530         finalize_ddr_dependent, analyze_ziv_subscript,
7531         analyze_siv_subscript_cst_affine,
7532         compute_overlap_steps_for_affine_univar,
7533         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7534         analyze_siv_subscript, analyze_miv_subscript,
7535         analyze_overlapping_iterations, subscript_dependence_tester_1,
7536         compute_self_dependence, free_dependence_relation): Work
7537         with affine_fn instead of chrecs.
7538         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
7539         common_affine_function, affine_function_base,
7540         affine_function_constant_p, affine_fn_op, affine_fn_plus,
7541         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
7542         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
7543         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
7544         (all_chrecs_equal_p): Removed.
7545         * tree-data-ref.h (affine_fn, conflict_function): New types.
7546         (struct subscript): Change type of conflicting_iterations_in_a
7547         and conflicting_iterations_in_b.
7548
7549 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
7550
7551         PR other/30182
7552         * config/pa/pa.h (TARGET_HPUX_11): New.
7553         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
7554         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
7555
7556 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
7557         Richard Guenther  <rguenther@suse.de>
7558
7559         * tree-ssa-structalias.c (solve_graph): Handle case
7560         we merged the variable to another.
7561
7562 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7563
7564         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
7565         functions.
7566
7567         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
7568         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
7569
7570 2007-01-25  DJ Delorie  <dj@redhat.com>
7571
7572         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
7573         allow changes to modes which don't fit in those registers.
7574
7575         * reload1.c (choose_reload_regs): Check for invalid subregs before
7576         computing their locations, not after.
7577
7578 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
7579
7580         PR 25127
7581         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
7582         save Altivec registers in an eh_return function.
7583         (compute_vrsave_mask): Likewise.
7584         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
7585         for saving Altivec registers.
7586         (rs6000_emit_prologue): Don't allocate stack twice in
7587         eh_return function.  Correct expected value of altivec_save_offset
7588         when using save_world.  Describe save of R0 to stack when using
7589         save_world.  Describe stack pointer adjustment when using
7590         save_world.  Remove duplicated eh_return parameter register saving.
7591         Update sp_offset variable after save_world.
7592         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
7593         darwin-world.asm.
7594         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
7595         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
7596         implies Altivec.
7597
7598 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7599
7600         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
7601
7602 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7603
7604         PR other/30182
7605         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
7606         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
7607
7608 2007-01-25  Richard Guenther  <rguenther@suse.de>
7609
7610         * doc/invoke.texi (-Wcoverage-mismatch): Document.
7611         * common.opt (-Wcoverage-mismatch): New warning option.
7612         * coverage.c (get_coverage_counts): Ignore coverage mismatch
7613         if -Wcoverage-mismatch is given.
7614
7615 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
7616
7617         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
7618         (ipcp_driver): Change to static definition.
7619         Add dumping of the ifunctions.
7620         (constant_val_insert): Remove unused parameter. Support for SSA.
7621         (ipcp_propagate_const): Support for SSA.
7622         (ipcp_profile_bb_print): Print only analyzed nodes.
7623         (ipcp_replace_map_create): Remove support for Fortran constant
7624         for now.
7625         * ipa-prop.c (ipa_method_modify_stmt,
7626         ipa_callsite_compute_param): Support for SSA.
7627         * ipa-prop.h (ipcp_driver): Remove declaration.
7628         (IS_VALID_TREE_MAP_INDEX): Add define.
7629
7630 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
7631
7632         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
7633
7634 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7635
7636         PR middle-end/30447
7637         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
7638         constant argument to cabs and do it without checking for
7639         -funsafe-math-optimizations.
7640
7641 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
7642
7643         * c-common.h (RID_FIRST_CXX0X): New.
7644         (RID_LAST_CXX0X): New.
7645         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
7646         by -Wall.
7647         * c.opt (Wc++0x-compat): New.
7648         * doc/invoke.texi (-Wc++0x-compat): Document.
7649
7650 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7651
7652         * builtins.c (fold_builtin_carg): New.
7653         (fold_builtin_1): Use it.
7654
7655 2007-01-24  Jan Hubicka  <jh@suse.cz>
7656
7657         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
7658
7659         * ipa-inline.c (initial_insns, max_insns): Delete.
7660         (compute_max_insns): New function.
7661         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
7662         of insns as base for code growth.
7663         (cgraph_decide_inlining): Make initial_insns local; do not compute
7664         max_insns.
7665         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
7666         * doc/invoke.texi (inline-unit-growth): Update docs.
7667
7668 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
7669
7670         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
7671         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
7672         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
7673         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
7674         for CPUs that have PTA_CX16 set.
7675
7676         PR middle-end/27416
7677         * gimplify.c (omp_check_private): New function.
7678         (gimplify_scan_omp_clauses): Use it for
7679         firstprivate/lastprivate/reduction.
7680
7681         PR middle-end/30494
7682         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
7683         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
7684
7685         PR middle-end/30421
7686         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
7687         If lower_lastprivate_clauses emits some statements, append them
7688         to dlist rather than body_p and to body_p append an initializer.
7689         (lower_omp_for): Adjust caller.
7690
7691 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
7692
7693         * target.h (globalize_decl_name): New.
7694         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7695         * output.h (default_globalize_decl_name): New.
7696         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
7697         globalize_label.
7698         (globalize_decl): Ditto.
7699         (default_globalize_decl_name): New.
7700         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
7701         (ia64_handle_version_id_attribute): New.
7702         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7703         (ia64_asm_output_external): Use globalize_decl_name instead
7704         of globalize_label.
7705         * doc/extend.texi (version_id): New pragma.
7706         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
7707
7708 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7709
7710         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
7711         _uleb128_t and _Unwind_SWord with _sleb128_t.
7712         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
7713         uw_frame_state_for, uw_update_context_1): Likewise.
7714         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
7715         * unwind-pe.h (read_uleb128, read_sleb128,
7716         read_encoded_value_with_base): Likewise.
7717         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
7718
7719 2007-01-24  Richard Guenther  <rguenther@suse.de>
7720
7721         * builtins.c (expand_builtin_cexpi): Get the fndecl
7722         for cexp in the correct way.
7723
7724 2007-01-24  Jan Hubicka  <jh@suse.cz>
7725
7726         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
7727
7728 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7729
7730         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
7731         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
7732         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
7733         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
7734         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
7735         __SIZEOF_PTRDIFF_T__.
7736         * doc/cpp.texi: Documentation for the new builtin macros added.
7737
7738 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
7739
7740         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
7741         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
7742         instead of operands[2] to avoid access past the end of array.
7743
7744 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
7745
7746         * reload1.c (emit_reload_insns): Pass the reload register
7747         for a non-spill output reload through forget_old_reloads_1.
7748
7749 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
7750
7751         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
7752         _SOFT_DOUBLE if doubles use software floating-point.
7753         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
7754         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
7755         * config/rs6000/darwin-ldouble.c: Also compile functions for
7756         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
7757         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
7758         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
7759         commented-out long double override.
7760         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
7761         * config/rs6000/eabispe.h: Likewise.
7762         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
7763         long double for non-SPE.
7764         (rs6000_handle_option): Likewise.
7765         (invalid_e500_subreg): Disallow more subregs involding DImode,
7766         DFmode, TImode or TFmode.
7767         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
7768         E500 double.
7769         (legitimate_lo_sum_address_p): Also check for TFmode for E500
7770         double.
7771         (rs6000_legitimize_address): Also handle TFmode for E500 double.
7772         (rs6000_legitimize_reload_address): Also handle TFmode for E500
7773         double.
7774         (rs6000_legitimate_address): Also check for TFmode for E500
7775         double.
7776         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
7777         (spe_build_register_parallel): Handle TFmode and TCmode.
7778         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
7779         double.
7780         (function_arg): Handle TFmode and TCmode for E500 double.
7781         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
7782         in general.
7783         (print_operand): Handle TFmode and TImode for %y.
7784         (rs6000_generate_compare): Handle TFmode comparisons for E500
7785         double.
7786         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
7787         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
7788         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
7789         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
7790         TFmode for E500 double.
7791         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
7792         (floatsidf2): Enable for E500 double.
7793         (movtf_softfloat): Use rs6000_nonimmediate_operand.
7794         (extenddftf2): Change to extenddftf2_fprs.
7795         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
7796         depending on TARGET_E500_DOUBLE.
7797         (extendsftf2): Enable for E500 double.
7798         (trunctfdf2): Enable for E500 double.
7799         (trunctfsf2): Change to trunctfsf2_fprs.
7800         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
7801         depending on TARGET_E500_DOUBLE.
7802         (floatsitf2): Enable for E500 double.
7803         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
7804         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
7805         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
7806         (negtf2): Change to negtf2_internal.
7807         (negtf2): New expander.
7808         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
7809         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
7810         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
7811         (movdi_internal32): Use rs6000_nonimmediate_operand.
7812         (unnamed splitter): Likewise.
7813         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
7814         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
7815         (SPE64TF, DITI): New mode macros.
7816         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
7817         modes.
7818         (frob_tf_ti): New.
7819         (frob_<mode>_di_2): New.
7820         (frob_tf_di_8_2): New.
7821         (frob_di_df): Change to frob_di_<mode>; allow more modes.
7822         (frob_ti_tf): New.
7823         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
7824         more modes.
7825         (frob_ti_<mode>_8_2): New.
7826         (frob_ti_tf_2): New.
7827         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
7828         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
7829         TFmode.
7830         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
7831         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
7832         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
7833         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
7834         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
7835         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
7836         tsttflt_gp): New.
7837
7838 2007-01-23  Ian Lance Taylor  <iant@google.com>
7839
7840         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
7841         insn-*.o first.
7842         (OBJS-archive): Reformat, alphabetize.
7843         (OBJS): Change out_object_file to OBJS-md.
7844
7845 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
7846
7847         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
7848         JUMP_P and CALL_P predicates where applicable.
7849         * config/i386/i386.c: Ditto.
7850         * config/i386/i386.md: Ditto.
7851         * config/i386/mmx.md: Ditto.
7852         * config/i386/predicates.md: Ditto.
7853
7854 2007-01-22  Andreas Schwab  <schwab@suse.de>
7855
7856         * config/m68k/m68k.h: Fix comment.
7857
7858 2007-01-22  Jan Hubicka  <jh@suse.cz>
7859
7860         * passes.c (init_optimization_passes): Do not rerun
7861         pass_early_warn_uninitialized.
7862
7863 2007-01-22  Richard Guenther  <rguenther@suse.de>
7864
7865         PR tree-optimization/30038
7866         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
7867         function.
7868         (execute_cse_sincos_1): Likewise.
7869         (execute_cse_sincos): Likewise.
7870         (gate_cse_sincos): Likewise.
7871         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
7872         the cexpi() canonicalization of sincos().
7873         * tree-pass.h (pass_cse_sincos): Declare.
7874         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
7875
7876 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7877
7878         PR rtl-optimization/29329
7879         * combine.c (replaced_rhs_insn): Rename to i2mod.
7880         (replaced_rhs_value): Rename to i2mod_new_rhs.
7881         (i2mod_old_rhs): New global variable.
7882         (combine_instructions): Adjust for above change.  Save a copy of
7883         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
7884         note are substituted in the second instruction.
7885         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
7886         ditch the note if it pertains to the second eliminated register
7887         and this register is mentioned in i2mod_old_rhs.
7888
7889         Revert:
7890         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
7891
7892         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7893         the insn to which the note was originally attached.
7894
7895 2007-01-21  Jan Hubicka  <jh@suse.cz>
7896
7897         * ipa-inline.c (inlining_mode): Comment, move up.
7898         (cgraph_decide_inlining_incrementally): Do not perform inlining
7899         itself; fix handling of flattening of self recursive functions.
7900         (cgraph_find_cycles): Remove.
7901         (cgraph_flatten_node): Remove.
7902         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
7903         (try_inline): New function.
7904         (cgraph_early_inlining): Update call of
7905         cgraph_decide_inlining_incrementally.  Apply inlining here.
7906         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
7907
7908 2007-01-21  Dirk Mueller  <dmueller@suse.de>
7909
7910         PR bootstrap/30511
7911         * tree-vrp.c (check_array_bounds): do not warn
7912         about ADDR_EXPR's of ARRAY_REF's which are immediately
7913         used in binary expressions.
7914
7915 2007-01-21  Ira Rosen  <irar@il.ibm.com>
7916
7917         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
7918         read_write_dep and macros for its access.
7919         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
7920         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
7921         argument, call vect_check_interleaving for every independent pair of
7922         data-refs. Mark loads that access the same memory location as a store
7923         in the loop.
7924         (vect_check_dependences): Remove.
7925         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
7926         call, fix the call to vect_analyze_data_ref_dependence.
7927         (vect_analyze_data_ref_access): For statements that access the same
7928         data-ref, check that they are not stores; for loads, check that there
7929         is no store that access the same location.
7930
7931 2007-01-20  Roger Sayle  <roger@eyesopen.com>
7932             Joseph Myers  <joseph@codesourcery.com>
7933
7934         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
7935         (-fdump-rtl-stack): Likewise.
7936         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
7937         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
7938         (-mpt-fixed): Use @minus{} for minus sign.
7939         (Using Precompiled Headers): Fix under/overfull hbox.
7940
7941 2007-01-20  Jan Hubicka  <jh@suse.cz>
7942
7943         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
7944         place within annotation.
7945
7946 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7947
7948         * pa.c (output_move_double): Change array size of xoperands to 4.
7949
7950 2007-01-20  Jan Hubicka  <jh@suse.cz>
7951
7952         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
7953         as temporary.
7954
7955 2007-01-19  Ian Lance Taylor  <iant@google.com>
7956
7957         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
7958         constant to unsigned HOST_WIDE_INT before negating.
7959
7960 2007-01-19  Ian Lance Taylor  <iant@google.com>
7961
7962         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
7963         to unsigned.
7964         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
7965         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7966         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
7967         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
7968         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7969         (realloc_vdef, realloc_vuse): Change second parameter to
7970         unsigned.
7971         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
7972         fields to unsigned.
7973         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
7974         unsigned. Change x and lim locals to unsigned.
7975         (realloc_vdef, realloc_vuse): Change num_elem parameter to
7976         unsigned.
7977         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
7978         (copy_virtual_operands): Change i and n locals to unsigned.
7979
7980 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7981
7982         PR middle-end/29335
7983         * builtins.c (fold_builtin_1): Handle builtin fdim.
7984
7985 2007-01-20  Jan Hubicka  <jh@suse.cz>
7986
7987         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
7988         * tree-ssa-structalias.c (compute_points_to_sets): Do call
7989         init_alias_heapvars.
7990         (init_alias_heapvars): Initialize only when not already initialized.
7991         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
7992
7993 2007-01-19  Roger Sayle  <roger@eyesopen.com>
7994
7995         * common.opt (fsigned-zeros): New command line option.
7996         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
7997         of flag_unsafe_math_optimizations.
7998         * opts.c (set_fast_math_flags): The -ffast-math command line option
7999         implies -fno-signed-zeros.
8000         (fast_math_flags_set_p): Likewise.
8001
8002         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8003         the documentation of -ffast-math appropriately.  Wrap long lines.
8004
8005 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8006
8007         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8008         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8009
8010 2007-01-19  Tomas Bily  <tbily@suse.cz>
8011
8012         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8013         * tree-profile.c:
8014         (tree_init_ic_make_global_vars): New function
8015         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8016         (tree_gen_ic_profiler): New function
8017         (tree_gen_ic_func_profiler): New function
8018         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8019         (tree_profile_hooks): Added hook for indirec/virtual calls
8020         * value-prof.c (tree_find_values_to_profile): New case for
8021         indirect calls
8022         (tree_values_to_profile): Call for determining indirect/virtual
8023         counters
8024         (tree_indirect_call_to_profile): New function
8025         (tree_ic_transform): New function
8026         (tree_ic): New function
8027         (find_func_by_pid): New function
8028         (init_pid_map): New function
8029         (tree_value_profile_transformations): Added check for
8030         indirect/virtual call transformation
8031         * value-prof.h (enum hist_type): New counter type for
8032         indirect/virtual calls
8033         (profile_hooks): Added new hook for profiling indirect/virtual
8034         calls
8035         * profile.c (instrument_values): New case for indirect/virtual
8036         call added
8037         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
8038         (GCOV_COUNTER_V_INDIR): New counter type
8039         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
8040         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
8041         call added
8042         * cgraph.c: Definition of cgraph_max_pid
8043         (cgraph_create_node): Default init of pid attribute
8044         * cgraph.h: Declaration of cgraph_max_pid
8045         (struct cgraph_node): Added pid attribute
8046         * libgcov.c (__gcov_indirect_call_profiler): New function
8047         (__gcov_one_value_profiler_body): New function
8048         (__gcov_one_value_profiler): Body was moved to
8049         __gcov_one_value_profiler_body and calls it
8050
8051 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8052
8053         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8054         * gengtype.c (write_types_data, write_func_for_structure,
8055         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8056         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8057         (walk_type, write_func_for_structure): Generate the mark_hook if
8058         needed.
8059
8060 2007-01-19  Jan Hubicka  <jh@suse.cz>
8061
8062         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8063         'early' argument take inlining mode argument specifying whether to
8064         inline for size/speeed or all functions; add support for flattening;
8065         improve dumpting.
8066         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
8067
8068 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8069
8070         PR c++/17947
8071         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
8072         the name of the declared identifier.
8073
8074 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8075
8076         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
8077         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
8078         duplicate evaluation.
8079
8080 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8081
8082         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
8083         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
8084         to XFMode, use acosxf2 and truncate result to requested mode.
8085         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8086         (asin<mode>2): Similarly, with asin expanders.
8087         (*fscalexf4_i387): Rename from *fscalexf4.
8088         (expNcorexf3): New expander.
8089         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
8090         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
8091         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
8092         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
8093         patterns for SSE math.
8094         (exp10<mode>2): Similarly, with exp10 expanders.
8095         (exp2<mode>2): Similarly, with exp2 expanders.
8096         (expm1<mode>2): Similarly, with expm1 expanders.
8097         (ldexp<mode>3): Similarly, with ldexp expanders.
8098         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
8099         Use gen_truncxf<mode>2_i387_noop to truncate result.
8100
8101 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8102
8103         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
8104         for ColdFire targets.
8105
8106 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
8107             Richard Sandiford  <richard@codesourcery.com>
8108
8109         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
8110         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
8111         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
8112         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
8113         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8114         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8115
8116 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8117
8118         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
8119         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
8120         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
8121         (*adddi_dilshr32_cf): New pattern.
8122         (adddi3, subdi3): Remove first alternatives.
8123
8124 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8125
8126         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
8127         implemented using move.l, do not use its cc result for floating-point
8128         comparisons.
8129
8130 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8131
8132         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
8133         from accepting 's' constraints if flag_pic.
8134
8135 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8136
8137         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
8138         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
8139         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
8140         condition from TARGET_68881 to TARGET_HARD_FLOAT.
8141
8142 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8143
8144         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
8145         ColdFire alternatives.
8146         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
8147         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
8148         architectures that support ff1 instruction.
8149
8150 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8151             Julian Brown  <julian@codesourcery.com>
8152
8153         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
8154         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
8155         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
8156         Add commentary.
8157
8158 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8159
8160         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
8161         and return a bool.
8162         (output_move_const_into_data_reg, output_move_simode_const): Delete.
8163         * config/m68k/m68k.c (const_method, const_int_cost): Take a
8164         HOST_WIDE_INT instead of an rtx.
8165         (m68k_rtx_costs): Update call accordingly.
8166         (output_move_const_into_data_reg): Likewise.  Fix formatting.
8167         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
8168         Return a bool.
8169         (output_move_simode_const): Update calls after above changes.
8170         Rework to use automatic variables and predicates like MEM_P.
8171         * config/m68k/m68k.md (pushexthisi_const): Update call to
8172         valid_mov3q_const.
8173
8174 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8175
8176         * tree-ssa-alias.c (perform_var_substitution): Fix typo
8177         in dump_flags test.
8178
8179 2007-01-19  Richard Guenther  <rguenther@suse.de>
8180
8181         * builtins.c (expand_builtin_cexpi): Fall back to expanding
8182         via cexp in case sincos is not available.
8183
8184 2007-01-19  Richard Guenther  <rguenther@suse.de>
8185
8186         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
8187         * defaults.h (TARGET_HAS_SINCOS): Default to off.
8188         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
8189         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
8190         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
8191         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
8192         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
8193         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
8194
8195 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8196
8197         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
8198         New insn patterns.
8199         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
8200         (atan2xf3): Directly generate RTL pattern.
8201         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
8202         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8203         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8204         disable patterns for SSE math.
8205         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
8206         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8207         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8208         disable patterns for SSE math.
8209
8210 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
8211
8212         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
8213
8214 2007-01-18  Roger Sayle  <roger@eyesopen.com>
8215
8216         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
8217         VIEW_CONVERT_EXPR to the same type as it's operand.
8218
8219 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
8220
8221         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
8222         configured for long double 128.
8223
8224 2007-01-18  Mike Stump  <mrs@apple.com>
8225
8226         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
8227         error.
8228
8229 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
8230
8231         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
8232         type correct.
8233
8234 2007-01-18  Jan Hubicka  <jh@suse.cz>
8235
8236         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
8237         greater than NUM_VOP_FREE_BUCKETS.
8238
8239 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
8240
8241         * tree-ssa-structalias.c: Update comments.
8242         (ptabitmap_obstack): Removed.
8243         (pta_obstack): New.
8244         (oldpta_obstack): Ditto.
8245         (stats): Add a few members.
8246         (struct variable_info): Remove node, complex, address_taken, and
8247         indirect_target members. Add oldsolution member.
8248         (new_var_info): Do not initialize removed members.
8249         (constraint_expr_type): Remove INCLUDES.
8250         (constraint_graph): Add size, implicit_preds, rep,
8251         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
8252         (FIRST_REF_NODE): New macro.
8253         (LAST_REF_NODE): Ditto.
8254         (FIRST_ADDR_NODE): Ditto.
8255         (find): New function.
8256         (unite): Ditto.
8257         (dump_constraint): Do not handle INCLUDES.
8258         (insert_into_complex): Do not insert duplicate constraints.
8259         (condense_varmap_nodes): Renamed and rewritten into ...
8260         (merge_node_constraints): This. Also fix bug in handling of
8261         offseted copy constraints.
8262         (clear_edges_for_node): No longer need to deal with preds at all,
8263         or removing associated preds/succs.
8264         (merge_graph_nodes): Deal with indirect_cycles.
8265         Don't deal with predecessors.
8266         (add_implicit_graph_edge): New function.
8267         (add_pred_graph_edge): Ditto.
8268         (add_graph_edge): Don't deal with predecessors.
8269         (build_constraint_graph): Removed.
8270         (build_pred_graph): New function.
8271         (build_succ_graph): Ditto.
8272         (struct scc_info): Removed in_component. Added roots, dfs, and
8273         node_mapping. Remove visited_index, unification_queue.
8274         (scc_visit): Deal with union-find we do now.
8275         Deal with cycles with REF nodes.
8276         (collapse_nodes): Renamed and rewritten to ...
8277         (unify_nodes): This.
8278         (process_unification_queue): Removed.
8279         (topo_visit): Cleanup
8280         (do_da_constraint): Use find.
8281         (do_sd_constraint): Ditto.
8282         (do_ds_constraint): Ditto.
8283         (do_complex_constraint): Ditto.
8284         (init_scc_info): Update for removed and added members.
8285         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
8286         (find_indirect_cycles): This.
8287         (equivalence_class): New variable.
8288         (label_visit): New function.
8289         (perform_variable_substitution): Rewritten.
8290         (free_var_substitution_info): New function.
8291         (find_equivalent_node): Ditto.
8292         (move_complex_constraints): Ditto.
8293         (eliminate_indirect_cycles): Ditto.
8294         (solve_graph): Only propagate changed bits.
8295         Use indirect cycle elimination.
8296         Use find.
8297         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
8298         (tree_id_eq): Renamed to ...
8299         (tree_vi_eq): This. Update for member change
8300         (insert_id_for_tree): Renamed and rewritten to ...
8301         (insert_vi_for_tree): This.
8302         (lookup_id_for_tree): Renamed and rewritten to ...
8303         (lookup_vi_for_tree): This.
8304         (get_id_for_tree): Renamed and rewritten to ...
8305         (get_vi_for_tree): Ditto.
8306         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
8307         (process_constraint): Don't handle INCLUDES.
8308         Remove special ADDRESSOF case.
8309         (find_func_aliases): Rewrite to use vi functions instead of id
8310         ones.
8311         (create_function_info_for): Ditto.
8312         (create_variable_info_for): Ditto.
8313         (intra_create_variable_infos): Ditto.
8314         (merge_smts_into): Ditto.
8315         (find_what_p_points_to): Ditto.
8316         (init_base_vars): Ditto.
8317         (init_alias_vars): Ditto.
8318         (remove_preds_and_fake_succs): New function.
8319         (dump_sa_points_to_info): Dump new stats.
8320         (dump_solution_for_var): Use find.
8321         (set_used_smts): Fix formatting.
8322         (compute_points_to_sets): Updated for new functions.
8323         (ipa_pta_execute): Ditto.
8324
8325 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8326             Richard Sandiford  <richard@codesourcery.com>
8327
8328         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
8329         parallels.
8330         * calls.c (expand_call): If the return value is a PARALLEL,
8331         extract its first member.
8332         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
8333         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8334         use FUNCTION_EXTRA_EPILOGUE.
8335         (m68k_function_value): Return a PARALLEL if the return value
8336         is of a pointer type.
8337         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
8338         (FUNCTION_EXTRA_EPILOGUE): Remove.
8339         * config/m68k/m68k.md (D0_REG): New constant.
8340
8341 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8342
8343         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8344         output a NOP for empty epilogues.
8345
8346 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8347
8348         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
8349         before function.  Extend register save check to include all
8350         registers, not just integer ones.
8351
8352 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8353
8354         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
8355         (m68k_use_return_insn): ...this.
8356         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
8357         * config/m68k/m68k.c (use_return_insn): Rename to...
8358         (m68k_use_return_insn): ...this.
8359         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
8360         of USE_RETURN_INSN.
8361
8362 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8363
8364         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
8365         nearest even, fix denormal rounding overflow.
8366
8367 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8368
8369         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
8370         f%$smove and f%$move.
8371         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
8372         (extendsfdf2_cf): Use fdmove instead of f%&move.
8373         (truncdfsf2_cf): Use fsmove instead of f%$smove.
8374         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
8375
8376 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8377
8378         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
8379         GPR<-GPR moves.
8380
8381 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8382
8383         * real.h (real_format): Add a canonical_nan_lsbs_set field.
8384         (coldfire_single_format): Declare.
8385         (coldfire_double_format): Likewise.
8386         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
8387         of qnan_msb_set to determine the lower bits of a canonical
8388         NaN significand.
8389         (encode_ieee_double): Likewise.
8390         (encode_ieee_quad): Likewise.
8391         (ieee_single_format): Initialize canonical_nan_lsbs_set.
8392         (mips_single_format): Likewise.
8393         (ieee_double_format): Likewise.
8394         (mips_double_format): Likewise.
8395         (ieee_extended_motorola_format): Likewise.
8396         (ieee_extended_intel_96_format): Likewise.
8397         (ieee_extended_intel_128_format): Likewise.
8398         (ieee_extended_intel_96_round_53_format): Likewise.
8399         (ibm_extended_format): Likewise.
8400         (mips_extended_format): Likewise.
8401         (ieee_quad_format): Likewise.
8402         (mips_quad_format): Likewise.
8403         (vax_f_format): Likewise.
8404         (vax_d_format): Likewise.
8405         (vax_g_format): Likewise.
8406         (i370_single_format): Likewise.
8407         (i370_double_format): Likewise.
8408         (decimal_single_format): Likewise.
8409         (decimal_double_format): Likewise.
8410         (decimal_quad_format): Likewise.
8411         (c4x_single_format): Likewise.
8412         (c4x_extended_format): Likewise.
8413         (real_internal_format): Likewise.
8414         (coldfire_single_format): New real_format.
8415         (coldfire_double_format): Likewise.
8416         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
8417         canonical_nan_lsbs_set.
8418         (pdp11_d_format): Likewise.
8419         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
8420         if TARGET_COLDFIRE_CPU.
8421
8422 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8423
8424         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
8425         (output_call, m68k_legitimize_call_address): Declare.
8426         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
8427         parenthesees.  Add support for a 'W' constraint.
8428         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
8429         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
8430         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
8431         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
8432         variables.
8433         (override_options): Initialize them.  Do not set flag_no_function_cse
8434         for TARGET_ID_SHARED_LIBRARY.
8435         (m68k_output_pic_call): Delete.
8436         (m68k_legitimize_call_address): New function.
8437         (print_operand): Remove the %o prefix.  Handle the %p prefix.
8438         (output_call): New function.
8439         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
8440         target address from the GOT if symbolic jumps are not allowed.
8441         * config/m68k/m68k.md (call, general_operand): Do not set
8442         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
8443         Merge separate flag_pic and !flag_pic define_insns into...
8444         (*call, *call_value): ...these new patterns.  Match the address
8445         rather than the containing MEM and require it to be a call_operand.
8446         Use output_call to generate the asm template.
8447         * config/m68k/predicates.md (const_call_operand): New predicate.
8448         (call_operand): Likewise.
8449
8450 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8451
8452         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
8453         (STACK_GROWS_DOWNWARD): Define to 1.
8454         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
8455         comments, emphasizing that these values are only defaults.
8456         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
8457         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
8458
8459 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8460
8461         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
8462
8463 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8464             Richard Sandiford  <richard@codesourcery.com>
8465
8466         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
8467         (FP_REGNO_P): New macros.
8468         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
8469         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
8470         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
8471         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
8472
8473 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8474
8475         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8476         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
8477         to $tmake_file.
8478         * config/m68k/t-floatlib: New file, extracting common code from...
8479         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
8480         * config/m68k/t-uclinux: Here.
8481         * config/m68k/fpgnulib.c: Do not compile extendeed precision
8482         routines on ColdFire targets.
8483
8484 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8485
8486         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8487         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
8488         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
8489         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
8490         explicitly set MOTOROLA to 1.
8491         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
8492
8493 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8494             Nathan Sidwell  <nathan@codesourcery.com>
8495
8496         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
8497         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
8498         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
8499         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
8500         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
8501         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
8502         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
8503         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
8504         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
8505         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8506         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
8507         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
8508         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
8509         (DBX_REGISTER_NUMBER): Delete.
8510         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
8511         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8512         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
8513
8514 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8515
8516         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
8517         * config/flat.h: New file.
8518         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
8519         OBJECT_FORMAT_FLAT.
8520         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
8521         indirect references for -msep-data or -mid-shared-library.
8522         Do not use PC-relative code addresses either.
8523         * config/m68k/m68k.c (override_options): Restrict -fPIC error
8524         to -mpcrel.
8525         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
8526         for shared libraries and crt1.o for executables.  Use crti.o and
8527         crtbegin.o.
8528         (ENDFILE_SPEC): Use crtend.o and crtn.o.
8529         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
8530         Do not add -elf2flt or -shared-lib-id options here.
8531         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
8532         Pass -shared-lib-id if -mid-shared-library, taking the library
8533         identifier from -mshared-library-id if given, otherwise
8534         defaulting to 0.
8535         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
8536         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
8537         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
8538         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
8539         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
8540         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
8541         and crtend.o.
8542         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
8543         jump sequence for ISA A and ISA A+.
8544         (PICJUMP): Likewise.
8545
8546 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8547
8548         * config.gcc (m68k-*-uclinux*): Base the port on the common
8549         and m68k GNU/Linux files rather than on the generic ELF ones.
8550         * config/m68k/uclinux.h (TARGET_VERSION): Override.
8551         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8552
8553 2007-01-18  Julian Brown  <julian@codesourcery.com>
8554             Richard Sandiford  <richard@codesourcery.com>
8555
8556         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
8557         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8558         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
8559         before redefining.
8560         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
8561         80 unconditionally.
8562         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8563
8564 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8565
8566         * doc/install.texi: Document m68k-uclinuxoldabi.
8567         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
8568         * config/m68k/uclinux-oldabi.h: New file, copied from
8569         config/m68k/uclinux.h.
8570
8571 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
8572
8573         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
8574         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
8575         (m32r_compute_frame_size): Use unsigned for regno.
8576         (m32r_reload_lr): Use gen_frame_mem.
8577         (pop): New.
8578         (m32r_output_function_epilogue): Don't output the function epilogue
8579         textually here.
8580         (m32r_expand_epilogue): New.
8581         (direct_return): Return false if the function has the interrupt
8582         attribute.
8583         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
8584         * config/m32r/m32r.md (epilogue): New expander.
8585         (return_lr, return_rte): New insns.
8586         (return): Make it expander.
8587         (return_normal): New expander.
8588
8589 2007-01-18  Josh Conner  <jconner@apple.com>
8590
8591         PR target/30485
8592         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
8593         support for UNLE, UNLT, UNGE, and UNGT.
8594
8595 2007-01-18  Jan Hubicka  <jh@suse.cz>
8596
8597         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
8598         * tree-tailcall (add_virtual_phis): Likewise.
8599         (optimize_tail_call): Return TODOs.
8600         (execute_tail_calls): Return TODOs.
8601         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
8602         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
8603         changed.
8604         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8605         Cleanup cfg using TODO.
8606         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
8607         * passes.c (execute_function_todo): When cleanup did something, remove
8608         unused locals.
8609         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
8610         (make_edges): Don't cleanup_cfg.
8611
8612 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
8613
8614         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
8615         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
8616         operate on the top of stack.
8617         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
8618         register handling of instructions that output to the second
8619         stack slot.
8620         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
8621         (move_for_stack_reg): Special-case check for dead destination
8622         stack slot for constant load of 1.0 inside UNSPEC_TAN.
8623
8624         * config/i386/i386.md (UNSPEC_TAN): New constant.
8625         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
8626         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
8627         to correctly model move of constant 1.0 to top stack slot.
8628         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
8629         (unnamed peephole2 pattern): Remove corresponding peephole2
8630         pattern that optimizes tan insn and loading of constant 1.0.
8631         (tanxf2): Use fptanxf4_i387.
8632         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
8633         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
8634         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8635         disable patterns for SSE math.
8636         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
8637         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
8638
8639 2007-01-18  Dirk Mueller  <dmueller@suse.de>
8640             Richard Guenther <rguenther@suse.de>
8641
8642         PR diagnostic/8268
8643         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
8644         * common.opt (Warray-bounds): Add new warning option.
8645         * c-opts.c (c_common_handle_option): Define -Warray-bounds
8646         if -Wall is given.
8647         * Makefile.in: make tree-vrp.o depend on toplev.h
8648         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
8649         is enabled.
8650         (check_array_refs, check_array_bounds, check_array_ref): New.
8651
8652 2007-01-18  Jan Hubicka  <jh@suse.cz>
8653
8654         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
8655         (execute_ssa_ccp): Return flags conditionally.
8656         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
8657         changed.
8658         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
8659
8660 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
8661
8662         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
8663         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
8664
8665         * Makefile.c (GTFILES): Add cfglayout.h.
8666         * gengtype.c (open_base_files): Likewise.
8667         * cfglayout.c (cfg_layout_function_footer,
8668         cfg_layout_function_header) Reindent to make gengtype happy.
8669         * cfglayout.h (cfg_layout_function_footer,
8670         cfg_layout_function_header): Add GTY(()) marker.
8671
8672         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
8673
8674 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8675
8676         * genautomata.c (write_automata): Include xstrerror output in the
8677         error message if writing the DFA description file fails.
8678
8679 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
8680
8681         * config/mips/mips-protos.h (mips_output_external): Make it
8682         return void.
8683         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
8684         * config/mips/mips.c (irix_output_external_libcall): Likewise.
8685         (extern_list): Likewise.
8686         (extern_head): Likewise.
8687         (TARGET_ASM_FILE_END): Likewise.
8688         (mips_file_end): Likewise.
8689         (mips_output_external): Rewritten.
8690
8691 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8692
8693         * genpreds.c (write_insn_preds_c): Only write out the function
8694         body for regclass_for_constraint if we have register constraints.
8695
8696 2007-01-17  Tom Tromey  <tromey@redhat.com>
8697
8698         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
8699         * doc/install.texi (Testing): Use sourceware.org.
8700         (Binaries): Likewise.
8701         (Specific): Likewise.
8702         * doc/contrib.texi (Contributors): Use sourceware.org.
8703
8704 2007-01-17  Anatoly Sokolov <aesok@post.ru>
8705
8706         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
8707         (AVR_ENHANCED): Rename to ...
8708         (AVR_HAVE_MUL): ... new.
8709         (avr_enhanced_p): Rename to ...
8710         (avr_have_mul_p): ... new.
8711         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
8712         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
8713         * config/avr/avr.c (avr_enhanced_p): Rename to ...
8714         (avr_have_mul_p): ... new.
8715         (base_arch_s): Rename 'enhanced' to 'have_mul'.
8716         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
8717         'avr_enhanced_p' and 'enhanced'.
8718         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
8719         AVR_HAVE_MUL instead of AVR_ENHANCED.
8720         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8721         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
8722         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
8723         instead of AVR_ENHANCED.
8724         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8725         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
8726         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
8727
8728 2007-01-17  Ian Lance Taylor  <iant@google.com>
8729
8730         * vec.h (VEC_reserve_exact): Define.
8731         (vec_gc_p_reserve_exact): Declare.
8732         (vec_gc_o_reserve_exact): Declare.
8733         (vec_heap_p_reserve_exact): Declare.
8734         (vec_heap_o_reserve_exact): Declare.
8735         (VEC_OP (T,A,reserve_exact)): New static inline function, three
8736         versions.
8737         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
8738         negative parameter.
8739         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
8740         (VEC_OP (T,A,copy)) [all versions]: Likewise.
8741         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
8742         * vec.c (calculate_allocation): Add exact parameter.  Change all
8743         callers.
8744         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
8745         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
8746         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
8747         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
8748         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
8749         (vec_heap_p_reserve_exact): New function.
8750         (vec_heap_o_reserve_exact): New function.
8751
8752 2007-01-17  Jan Hubicka  <jh@suse.cz>
8753
8754         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
8755
8756 2007-01-17  Eric Christopher  <echristo@apple.com>
8757
8758         * config.gcc: Support core2 processor.
8759
8760 2007-01-16  Jan Hubicka  <jh@suse.cz>
8761
8762         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
8763         the names, just unlink the chain so we don't crash on dangling pointers
8764         to dead SSA names.
8765
8766 2007-01-16  Jan Hubicka  <jh@suse.cz>
8767
8768         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
8769         * tree-pass.h: Reorder to make IPA passes appear toegher.
8770         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
8771         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
8772         parameters, do not call early inliner.
8773         * ipa-inline.c: Update comments.  Include tree-flow.h
8774         (cgraph_decide_inlining): Do not compute inlining parameters.
8775         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
8776         be called with function context set up.
8777         (pass_ipa_inline): Remove unreachable functions before pass.
8778         (cgraph_early_inlining): Simplify assuming to be called from the
8779         PM as local pass.
8780         (pass_early_inline): New pass.
8781         (cgraph_gate_ipa_early_inlining): New gate.
8782         (pass_ipa_early_inline): Turn into simple wrapper.
8783         (compute_inline_parameters): New function.
8784         (gate_inline_passes): New gate.
8785         (pass_inline_parameters): New pass.
8786         (apply_inline): Move here from tree-optimize.c
8787         (pass_apply_inline): New pass.
8788         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
8789         transforming.
8790         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
8791         doing them by hand.
8792         (tree_function_versioning): Do not allocate dummy struct function.
8793         * tree-inline.h (optimize_inline_calls): Update prototype.
8794         * tree-optimize.c (execute_fixup_cfg): Export.
8795         (pass_fixup_cfg): Remove
8796         (tree_rest_of_compilation): Do not apply inlines.
8797         * tree-flow.h (execute_fixup_cfg): Declare.
8798         * Makefile.in (gt-passes.c): New.
8799         * passes.c: Include gt-passes.h
8800         (init_optimization_passes): New passes.
8801         (nnodes, order): New static vars.
8802         (do_per_function_toporder): New function.
8803         (execute_one_pass): Dump current pass here.
8804         (execute_ipa_pass_list): Don't dump current pass here.
8805
8806 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
8807
8808         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
8809         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
8810
8811 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
8812
8813         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
8814         (strong_alias): Define.
8815         (__gcc_qmul): Provide non-FMA for soft-float.
8816         (__gcc_qdiv): Same.
8817         (__gcc_qneg): New.
8818         (__gcc_qeq): New.
8819         (__gcc_qle): New.
8820         (__gcc_qge): New.
8821         (__gcc_qunord): New.
8822         (__gcc_stoq): New.
8823         (__gcc_dtoq): New.
8824         (__gcc_qtos): New.
8825         (__gcc_qtod): New.
8826         (__gcc_qtoi): New.
8827         (__gcc_qtou): New.
8828         (__gcc_itoq): New.
8829         (__gcc_utoq): New.
8830         (fmsub): New.
8831         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
8832         soft-float functions.
8833         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
8834         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
8835         about long double soft float.
8836
8837 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
8838             Tehila Meyzels  <tehila@il.ibm.com>
8839
8840         * tree-vectorizer.h (is_pattern_stmt_p): New.
8841         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
8842         formatting (tabs instead of spaces). Cleanup and clarify setting
8843         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
8844         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
8845         (vectorizable_type_demotion): Check that types are integral.
8846         (vectorizable_type_promotion): Likewise.
8847         (vectorizable_store): Fix typo.  Eliminate new-line at end of
8848         comments.
8849
8850 2007-01-16  Jan Hubicka  <jh@suse.cz>
8851
8852         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
8853         cgraph edges too.
8854
8855 2007-01-15  Eric Christopher  <echristo@apple.com>
8856
8857         * ifcvt.c: Include vec.h, vecprim.h.
8858         (check_cond_move_block): New argument regs.
8859         Reorganize. Add registers used to regs.
8860         (cond_move_process_if_block): Use regs set above as
8861         loop bounds.
8862
8863 2007-01-15  Eric Christopher  <echristo@apple.com>
8864
8865         * config/darwin.h: Update copyright.
8866         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
8867         (LINK_COMMAND_SPEC): Add -u.
8868         (LINK_SPEC): Fix umbrella for above.
8869
8870 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
8871
8872         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
8873         glibc CVS.
8874
8875 2007-01-15  Tom Tromey  <tromey@redhat.com>
8876
8877         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
8878         * doc/install.texi (Testing): Don't mention jacks.
8879         (Configuration): Document --enable-java-maintainer-mode.  Move
8880         --with-java-home to libgcj-specific section.  Document
8881         --with-ecj-jar.
8882         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
8883
8884 2007-01-15  Jan Hubicka  <jh@suse.cz>
8885
8886         * tree-ssa-dce.c (DCE_TODOs): New.
8887         (propagate_necessity): Return if something changed.
8888         (eliminate_unnecessary_stmts): Likewise.
8889         (perform_tree_ssa_dce): Return TODO flags when needed.
8890         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
8891
8892 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
8893
8894         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
8895         (fyl2x_extend<mode>xf3_i387): New insn pattern.
8896         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
8897         patterns using X87MODEF12 mode macro.  Extend operand 1
8898         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8899         (log10<mode>2): Ditto.
8900         (log2<mode>2): Ditto.
8901         (log1p<mode>2): Ditto.
8902         (logb<mode>2): Ditto.
8903         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
8904         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
8905         (*fxtractxf3_i387): Rename from *fxtractxf3.
8906         (fxtract_extend<mode>xf3_i387): New insn pattern.
8907         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
8908         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
8909         and gen_fyl2xxf3_i387().
8910
8911 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
8912
8913         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
8914         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
8915         get_loop_exit_edges.  Changed return type to bool.
8916         * cfgloop.h (fix_loop_placement): Declaration removed.
8917
8918 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
8919
8920         * param.h (MIN_VECT_LOOP_BOUND): New.
8921         * params.def (MIN_VECT_LOOP_BOUND): New.
8922         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
8923         argument - minimum threshold for number of iterations.
8924         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
8925         argument to declaration.
8926         * tree-vect-analyze.c (vect_analyze_operations): Check value of
8927         MIN_VECT_LOOP_BOUND.
8928         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
8929         slpeel_tree_peel_loop_to_edge with additional argument.
8930         (vect_do_peeling_for_alignment): Likewise.
8931         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
8932
8933 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
8934
8935         PR target/30413
8936         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
8937         operands of size 1.
8938
8939 2007-01-14  Jan Hubicka  <jh@suse.cz>
8940
8941         * tree-dfa.c (remove_referenced_var): New function.
8942         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
8943         prune referenced vars list too.
8944         * tree-flow.h (remove_referenced_var): Declare.
8945
8946 2007-01-14  Jan Hubicka  <jh@suse.cz>
8947
8948         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
8949         separately.
8950         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
8951         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
8952         * except.h (verify_eh_throw_table_statements): Kill prototype.
8953         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
8954         into call exrepssions.
8955         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
8956         eh trhow verifier.
8957         * tree-cfg.c: Include pointer-set.h.
8958         (verify_node_sharing): Work on pointer set.
8959         (verify_eh_throw_stmt_node): New.
8960         (verify_stmts): Use pointers sets, verify throw_stmt.
8961
8962 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
8963
8964         * ipa-reference.c (analyze_function): Consider also addresses taken
8965         in phi nodes.
8966
8967 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8968
8969         * c-typeck.c (null_pointer_constant_p): Replace use of
8970         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8971         (build_c_cast): Likewise.
8972
8973 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8974
8975         * tree.h (force_fit_type_double): Remove unused final argument.
8976         * c-common.c (constant_expression_warning): Replace use of
8977         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8978         (convert_and_check): Likewise.
8979         (shorten_compare): Update call to force_fit_type_double.
8980         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
8981         * convert.c (convert_to_pointer): Update call to
8982         force_fit_type_double.
8983         * fold-const.c (force_fit_type_double): Remove overflowed_const
8984         argument.
8985         (int_const_binop, fold_convert_const_int_from_int,
8986         fold_convert_const_int_from_real, fold_div_compare,
8987         fold_sign_changed_comparison, fold_unary, fold_negate_const,
8988         fold_abs_const, fold_not_const): Remove the final argument from
8989         calls to force_fit_type_double.
8990
8991 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8992
8993         * configure.ac: Set insn to "nop" for spu-*-* also.
8994         * configure: Regenerate.
8995
8996 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
8997
8998         * builtins.def : Add BUILT_IN_FREE.
8999
9000 2007-01-12  Jan Hubicka  <jh@suse.cz>
9001
9002         PR tree-optimization/30443
9003         * tree-inline.c (tree_function_versioning): Do not optimize when
9004         cloning for inlining.
9005
9006 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9007
9008         * doc/loop.texi: Document recording of loop exits.
9009         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9010         (update_single_exits_after_duplication,
9011         update_single_exit_for_duplicated_loop,
9012         update_single_exit_for_duplicated_loops): Removed.
9013         (duplicate_loop_to_header_edge): Do not call
9014         update_single_exits_after_duplication and
9015         update_single_exit_for_duplicated_loops.
9016         (loop_version): Do not update single_exit information.
9017         (fix_loop_structure): Use record_loop_exits instead of
9018         mark_single_exit_loops.
9019         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9020         the lists of loop exits.
9021         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
9022         split_edge, merge_blocks): Update the lists of loop exits.
9023         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
9024         loop_optimizer_init.
9025         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
9026         of mark_single_exit_loops.
9027         (loop_optimizer_finalize): Call release_recorded_exits.
9028         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
9029         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
9030         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
9031         update single exit information.
9032         * lambda-code.c (perfect_nestify): Ditto.
9033         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
9034         (mark_single_exit_loops): Removed.
9035         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
9036         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
9037         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
9038         functions.
9039         (get_loop_exit_edges, single_exit): Use recorded exit lists.
9040         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
9041         (verify_loop_structure): Verify consistency of the exit lists.
9042         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9043         (set_single_exit): Removed.
9044         * cfgloop.h (struct loop_exit): New function.
9045         (struct loop): single_exit_ field replaced by exits field.
9046         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9047         (struct loops): Added exits hash.
9048         (mark_single_exit_loops, set_single_exit): Declaration removed.
9049         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9050
9051 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9052
9053         * doc/invoke.texi: Avoid use of @headitem.
9054
9055 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9056
9057         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9058
9059 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9060
9061         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9062         list of targets.
9063
9064 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9065             Richard Sandiford  <richard@codesourcery.com>
9066
9067         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
9068         * config/m68k/m68k.opt: Resort options.
9069         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
9070
9071 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9072             Richard Sandiford  <richard@codesourcery.com>
9073
9074         * doc/invoke.texi: Document the macros that are defined by
9075         m68k's -mtune and -mhard-float options.
9076         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
9077         (m68k_cpp_cpu_family): Likewise.
9078         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
9079         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
9080         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
9081         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
9082         (m68k_cpp_cpu_family): Likewise.
9083
9084 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9085
9086         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
9087         macros besides mc68000 as tuning macros.  Use a switch statement
9088         to set them and mcpu32.
9089
9090 2007-01-12  Julian Brown  <julian@codesourcery.com>
9091
9092         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
9093         (TARGET_68040_ONLY): Rename to...
9094         (TARGET_68040): ...this.
9095         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
9096         * config/m68k/m68k.md: Likewise.
9097
9098 2007-01-12  Julian Brown  <julian@codesourcery.com>
9099             Nathan Sidwell  <nathan@codesourcery.com>
9100             Richard Sandiford  <richard@codesourcery.com>
9101
9102         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
9103         the -mcpu= argument associated with the --with-cpu setting.
9104         Define M68K_DEFAULT_TUNE to the default -mtune= option,
9105         if different from the one implied by the -mcpu setting.
9106         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
9107         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
9108         * doc/invoke.texi: Mention ColdFire in the introduction to the
9109         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
9110         -mno-div and -mhard-float options.  Make -m68881 a synonym for
9111         -mhard-float.  Document the previously-undocumented -m5206e,
9112         -m528x, -m5307 and -m5407 options.  Tweak the existing option
9113         documentation for consistency.
9114         * doc/install.texi: Mention new --with-cpu arguments.
9115         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
9116         default CPU if neither -mcpu nor -march are specified.
9117         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
9118         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
9119         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
9120         using m68k_tune to decide between families that implement the
9121         same ISA.  Use m68k_tune to set __mcfv4e__.
9122         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
9123         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
9124         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
9125         (FL_ISA_C, FL_ISA_MMU): New macros.
9126         (MASK_COLDFIRE): Delete.
9127         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
9128         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
9129         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
9130         (TARGET_HARD_FLOAT): Do not define here.
9131         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
9132         (TUNE_68000): New macro.
9133         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
9134         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
9135         (TUNE_CFV2): Redefine in terms of m68k_tune.
9136         (uarch_type, target_device, fpu_type): New enums.
9137         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
9138         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
9139         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
9140         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
9141         (FL_FOR_isa_c): New macros.
9142         (m68k_isa): New enum.
9143         (m68k_target_selection): New structure.
9144         (all_devices, all_isas, all_microarchs): New tables.
9145         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
9146         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
9147         (MASK_ALL_CPU_BITS): Delete.
9148         (m68k_find_selection): New function.
9149         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
9150         Map the legacy target options to a combination of the new ones.
9151         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
9152         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
9153         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
9154         settings.
9155         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
9156         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
9157         properties.
9158         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
9159         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
9160         * config/m68k/m68k-devices.def: New file.
9161
9162 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9163             Nathan Sidwell  <nathan@codesourcery.com>
9164
9165         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
9166         (SUBTARGET_EXTRA_SPECS): New macros.
9167         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
9168         use %(asm_cpu_spec) instead.
9169         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
9170         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
9171         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
9172         (EXTRA_SPECS): Rename to...
9173         (SUBTARGET_EXTRA_SPECS): ...this.
9174
9175 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9176             Richard Sandiford  <richard@codesourcery.com>
9177             Julian Brown  <julian@codesourcery.com>
9178
9179         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9180         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
9181         to the configuration's default CPU.
9182         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
9183         Remove default masks.
9184         (m680[012]0-*-*): Set the default with_cpu to the first part of
9185         the target name.
9186         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
9187         (m68k*-*-linux): Extend the --with-cpu handling to...
9188         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
9189         and m68010.  Don't set target_cpu_default2.
9190         * doc/install.texi: Document --with-cpu for m68k.
9191         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
9192         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
9193         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
9194         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
9195         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
9196         (ASM_SPEC): Remove use of %(asm_cpu_default).
9197         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
9198         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
9199         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
9200         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
9201         __HAVE_FPU__ if TARGET_HARD_FLOAT.
9202         (TARGET_DEFAULT): Delete.
9203         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
9204         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
9205         (CPP_CPU_SPEC): Delete.
9206         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
9207         the appropriate string.
9208         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
9209         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
9210         (ASM_SPEC): Don't use %(asm_default_spec).
9211         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9212         TARGET_DEFAULT and add MASK_68881.
9213         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
9214
9215 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9216
9217         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
9218         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
9219         MASK_68010 alongside MASK_68020.
9220         * doc/invoke.texi: Document -m68010.
9221         * config/m68k/m68k.opt (m68010): New.
9222         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9223         if TUNE_68010.
9224         (TUNE_68010): New macro.
9225         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
9226         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
9227         (M68K_CPU_m68332): Add MASK_68010.
9228         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
9229         fallback definition.
9230         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
9231         defines.
9232         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
9233         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
9234         to all entries that use MASK_68020.
9235         (output_move_simode_const, output_move_himode, output_move_qimode)
9236         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
9237         instead of TARGET_68020 to select clr behavior.  Remove comment
9238         about there being no TARGET_68010.
9239         * config/m68k/m68k.md: Likewise throughout.
9240
9241 2007-01-12  Julian Brown  <julian@codesourcery.com>
9242
9243         * config/m68k/m68k.h (TARGET_ISAB): New macro.
9244         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
9245         * config/m68k/m68k.md: Likewise.
9246
9247 2007-01-12  Julian Brown  <julian@codesourcery.com>
9248
9249         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
9250         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
9251
9252 2007-01-12  Julian Brown  <julian@codesourcery.com>
9253
9254         * config/m68k/m68k.h (TUNE_68040_60): New macro.
9255         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
9256         * config/m68k/m68k.md: Likewise.
9257
9258 2007-01-12  Julian Brown  <julian@codesourcery.com>
9259             Richard Sandiford  <richard@codesourcery.com>
9260
9261         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
9262         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
9263         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
9264         TARGET_CPU32.
9265         (TARGET_CPU32): Rename to...
9266         (TUNE_CPU32): ...this.
9267         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
9268         (TUNE_CFV2): New macros.
9269         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
9270         remove conditions that are implied by TARGET_68020.
9271         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
9272         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
9273         (m68k_output_function_epilogue): Likewise.
9274         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
9275         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
9276         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
9277         non-68000 timings.  Refactor multiplication and division costs.
9278         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
9279         TUNE_CPU32 instead of TARGET_CPU32.
9280         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
9281         and TUNE_68060 instead of TARGET_68060.
9282         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
9283         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
9284         TARGET_CPU32.
9285         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
9286         && !TARGET_COLDFIRE" to choose between moveq and clr.
9287         Likewise in the unnamed movsf pattern.
9288         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
9289         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
9290         ashiftrt pattern.
9291
9292 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9293
9294         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
9295         of tabbing before backslashes.
9296
9297 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9298
9299         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
9300         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
9301         (ASM_OUTPUT_INTERNAL_LABEL): Define.
9302
9303 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9304
9305         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
9306         find_interesting_uses_cond.
9307         (find_interesting_uses_cond): Use extract_cond_operands.
9308         (rewrite_use_compare): Use extract_cond_operands and
9309         force_gimple_operand_bsi.  Do not call update_stmt.
9310         (determine_use_iv_cost_condition): Use extract_cond_operands.
9311         Return cheaper of using original bound and changing the exit bound.
9312
9313 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9314
9315         PR tree-optimization/29516
9316         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
9317         most_expensive_mult_to_index, addr_to_parts,
9318         create_mem_ref, maybe_fold_tmr): Make the type of
9319         fields of TARGET_MEM_REF sizetype.
9320         (move_fixed_address_to_symbol, move_pointer_to_base):
9321         New functions.
9322         * tree.def (TARGET_MEM_REF): Add comment on types of
9323         the operands.
9324
9325 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
9326
9327         * c-common.c (vector_types_convertible_p): Treat opaque types as
9328         always convertible if they have the same size, but not otherwise.
9329
9330 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
9331
9332         * ifcvt.c (struct noce_if_info): Add comments to the fields.
9333         Remove the b_unconditional field.
9334         (noce_try_sign_mask): Do not look at b_unconditional.
9335         (noce_process_if_block): Do not use merge_if_blocks.  Update
9336         the CFG here.  Do not set b_unconditional.
9337         (cond_move_process_if_block): Likewise.
9338         (find_cond_trap): Likewise.
9339         (check_cond_move_block): Require simple jump insns at the end
9340         of the basic block.
9341
9342 2007-01-11  Jan Hubicka  <jh@suse.cz>
9343
9344         PR tree-optimization/1046
9345         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
9346         when alias info is not ready.
9347         (pass_tail_recursion): Do not require aliasing.
9348         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
9349         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
9350         * tree-ssa-copy.c (pass_copy_prop): Likewise.
9351         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9352         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
9353         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
9354         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
9355         before inlining.
9356         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
9357         When aliasing is not build, mark statement as volatile.
9358
9359 2007-01-11  Tom Tromey  <tromey@redhat.com>
9360
9361         PR preprocessor/15185, PR preprocessor/20989:
9362         * doc/cppopts.texi <-MT>: Update description of algorithm for
9363         computing default target.
9364         <-M, -MD>: Reword "basename" text.
9365
9366 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9367
9368         * builtins.c (expand_builtin_pow, expand_builtin_powi,
9369         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
9370         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9371         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
9372         fold_builtin_bswap, real_constp, fold_builtin_pow,
9373         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
9374         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
9375         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9376         * convert.c (convert_to_pointer): Likewise.
9377         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
9378         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
9379         const_binop, fold_convert_const_int_from_int,
9380         fold_convert_const_int_from_real,
9381         fold_convert_const_real_from_real, sign_bit_p,
9382         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
9383         fold_sign_changed_comparison, fold_unary, fold_comparison,
9384         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
9385         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
9386         * print-tree.c (print_node_brief, print_node): Likewise.
9387         * stor-layout.c (place_field, layout_type): Likewise.
9388         * tree-chrec.c (keep_cast): Likewise.
9389         * tree.c (build_vector, build_real, build_real_from_int_cst,
9390         build_complex): Likewise.
9391
9392 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9393
9394         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
9395         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
9396
9397 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
9398
9399         * configure.ac (strict1_warn): Rename to strict_warn.
9400         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
9401         cc_set_by_configure, quoted_cc_set_by_configure,
9402         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
9403         all_boot_languages, all_stagestuff): Remove.
9404         (target_list): Remove bootstrap targets.
9405         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
9406         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
9407         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
9408         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
9409         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
9410         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
9411         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
9412         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
9413         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
9414         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
9415         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
9416         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
9417         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
9418         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
9419         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
9420         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
9421         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
9422         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
9423         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
9424         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
9425         (mostlyclean): Adjust.
9426         (clean, distclean): Don't mention bootstrap stuff.
9427         * configure: Regenerate.
9428         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
9429         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
9430         treelang/config-lang.in (stagestuff): Remove.
9431         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
9432         stageprofile, stagefeedback, stagestuff): Remove mention.
9433
9434 2007-01-11  Nick Clifton  <nickc@redhat.com>
9435
9436         * config/mcore/predicates.md (mcore_general_movesrc_operand):
9437         Accept CONSTs.
9438         (mcore_general_movdst_operand): Do not accept CONST_INTs.
9439         (mcore_arith_K_S_operand): Run the test for the S constraint not
9440         the test for the M constraint.
9441         (mcore_addsub_operand): Do not accept integer values that are
9442         larger than 32 bits.
9443         * config/mcore/mcore.md: Remove unused constraints from split.
9444         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
9445         (addsi3): Likewise.
9446         (allocate_stack): Likewise.
9447         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
9448         operands to 32 bits.
9449         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
9450         INTVAL.
9451         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
9452         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
9453         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
9454         mcore_output_bclri, mcore_output_andn, output_inline_const,
9455         mcore_output_move, mcore_output_movedouble): Likewise.
9456         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
9457         (output_inline_const): Likewise.
9458         (output_inline_const): Fix format strings used in sprintf
9459         statements.
9460         * config/mcore/mcore-protos.h: Update prototypes for changed
9461         functions in mcore.c.
9462         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
9463         HOST_WIDE_INT and not int.
9464         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
9465         CONST_OK_FOR_N): Likewise.
9466         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
9467         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
9468         an INTVAL.
9469
9470 2007-01-10  Jan Hubicka  <jh@suse.cz>
9471
9472         * tree-vrp.c (remove_range_assertions): Release defs.
9473         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
9474         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
9475
9476 2007-01-10  Paul Brook  <paul@codesourcery.com>
9477
9478         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
9479         * config/arm/arm.md (mulsi3subsi): New insn.
9480
9481 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
9482
9483         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
9484         (tree_transform_and_unroll_loop): New.
9485         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
9486         Declare.
9487
9488 2007-01-10  Robert Kennedy <jimbob@google.com>
9489
9490         * fold-const.c (fold_comparison): Fold comparisons like (x *
9491         1000 < 0) to (x < 0).
9492
9493 2007-01-10  Ian Lance Taylor  <iant@google.com>
9494
9495         * tree-pretty-print.c (dump_generic_node): Print parentheses when
9496         operands have the same priority.
9497
9498 2007-01-10  Tom Tromey  <tromey@redhat.com>
9499
9500         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
9501         (fold_binary): Likewise.
9502         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
9503         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
9504         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
9505         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
9506         * langhooks.h (struct lang_hooks): Removed field
9507         'can_use_bit_fields_p'.
9508
9509 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
9510
9511         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
9512
9513 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
9514
9515         * function.c (get_last_funcdef_no): New function.
9516         * function.h (get_last_funcdef_no): Declare.
9517         * tree-inline.c (initialize_cfun): Add initialization.
9518         (tree_function_versioning): Cleanup.
9519
9520 2007-01-10  Jan Hubicka  <jh@suse.cz>
9521
9522         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
9523         PHIs.
9524
9525 2007-01-10  Sa Liu  <saliu@de.ibm.com>
9526             Ben Elliston  <bje@au.ibm.com>
9527
9528         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
9529         for SAVE_NONLOCAL and Pmode for any other save level.
9530         * spu-protos.h (spu_restore_stack_block): Declare.
9531         * spu.md (save_stack_block): Remove.
9532         (restore_stack_block): Call spu_restore_stack_block.
9533         * spu.c (spu_restore_stack_block): New function.
9534         (spu_expand_epilogue): Remove old comment.
9535
9536 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
9537
9538         PR tree-optimization/30322
9539         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
9540         (cand_value_at): Return the value as aff_tree.
9541         (may_eliminate_iv): Convert the bound from aff_tree to tree.
9542         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
9543         aff_combination_mult): New functions.
9544         (aff_combination_add): Use aff_combination_add_cst.
9545         (aff_combination_convert): Allow conversions to a wider type.
9546         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
9547         * tree-affine.h (aff_combination_mult): Declare.
9548
9549 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
9550
9551         * doc/tm.texi: Update documentation to reflect reality of exec
9552         and start file search behaviours. Update copyright year.
9553         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
9554         header file directories.
9555
9556 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
9557
9558         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
9559         (*cosxf2): Rename to cosxf2_i387.
9560         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
9561         using X87MODEF12 mode macro. Rename patterns to
9562         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
9563         for SSE math.
9564         (*cosdf2, *cossf2): Ditto.
9565         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
9566         to match extended input operands.
9567         (sincos<mode>3): New expander.
9568         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
9569         insn patterns and corresponding splitters.
9570
9571 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
9572
9573         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
9574         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
9575
9576 2007-01-09  Nicolas Pitre  <nico@cam.org>
9577
9578         PR target/30173
9579         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
9580
9581 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9582
9583         * target.h (struct gcc_target): New field library_rtti_comdat.
9584         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
9585         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
9586         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
9587         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
9588
9589 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9590
9591         * doc/invoke.texi (Optimize Options): Correct description of -O0.
9592
9593 2007-01-08  Richard Guenther  <rguenther@suse.de>
9594
9595         * tree.h (force_fit_type_double): Export.
9596         (force_fit_type): Remove.
9597         * fold-const.c (force_fit_type_double): New function.
9598         (force_fit_type): Remove.
9599         (int_const_binop): Use it.
9600         (fold_convert_const_int_from_int): Likewise.
9601         (fold_convert_const_int_from_real): Likewise.
9602         (fold_div_compare): Likewise.
9603         (fold_sign_changed_comparison): Likewise.
9604         (fold_unary): Likewise.
9605         (fold_negate_const): Likewise.
9606         (fold_abs_const): Likewise.
9607         (fold_not_const): Likewise.
9608         * c-common.c (shorten_compare): Use force_fit_type_double.
9609         * convert.c (convert_to_pointer): Likewise.
9610
9611 2007-01-08  Richard Guenther  <rguenther@suse.de>
9612
9613         * tree.h (build_int_cst_wide_type): Export.
9614         * tree.c (build_int_cst_wide_type): New function.
9615         (build_int_cst_wide): Fix comment.
9616         * builtins.c (fold_builtin_object_size): Use build_int_cst
9617         to build -1 or 0 of the correct type.  Use fit_double_type
9618         to check for overflow.
9619         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
9620         to build the mask.
9621         (decode_field_reference): Likewise.
9622         (all_ones_mask_p): Likewise.
9623         (native_interpret_int): Use build_int_cst_wide_type.
9624         (fold_binary): Use build_int_cst_type to build an all-ones
9625         value.
9626         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
9627
9628 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
9629
9630         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
9631
9632 2007-01-09  Ben Elliston  <bje@au.ibm.com>
9633
9634         * genautomata.c (STATS_OPTION): New option.
9635         (stats_flag): New flag.
9636         (gen_automata_option): Handle it.
9637         (initiate_automaton_gen): Ditto.
9638         (write_automata): Output statistics only if stats_flag is
9639         set. Likewise, output time statistics only if time_flag is set.
9640         * doc/md.texi (Processor pipeline description): Document new flag.
9641
9642 2007-01-08  Richard Guenther  <rguenther@suse.de>
9643
9644         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
9645         * tree.c (build_int_cst_type): Likewise.
9646         (size_in_bytes): Don't call force_fit_type on the result.
9647         (int_fits_type_p): Use fit_double_type.
9648         * fold-const.c (fit_double_type): New function.
9649         (force_fit_type): Use it.
9650         * tree.h (fit_double_type): Export.
9651
9652 2007-01-08  Jan Hubicka  <jh@suse.cz>
9653
9654         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
9655         * ipa.c (function_and_variable_visibility): Fix return type.
9656
9657 2007-01-08  Richard Guenther  <rguenther@suse.de>
9658
9659         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
9660         of offset to build the index.
9661         * tree-pretty-print.c (dump_generic_node): Don't build negated
9662         const just for printing.
9663         * c-pretty-print.c (pp_c_integer_constant): Likewise.
9664         * builtins.c (fold_builtin_int_roundingfn): Check if result
9665         fits the type by using force_fit_type and comparing the result.
9666         * predict.c (predict_loops): Use compare_tree_int for comparison.
9667         * tree.c (build_int_cst): Fall back to integer_type_node for
9668         NULL_TREE type.
9669         (build_int_cst_wide): Assert type is non-null.
9670
9671 2007-01-08  Roberto Costa  <roberto.costa@st.com>
9672
9673         * tree-vrp.c (extract_range_from_cond_expr): New.
9674         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
9675         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
9676         as expressions.
9677         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
9678         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
9679         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
9680         used as expressions.
9681         * tree-object-size.c (cond_expr_object_size): New.
9682         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
9683
9684 2007-01-08  Jan Hubicka  <jh@suse.cz>
9685
9686         * tree-ssa-forwprop.c (forward_propagate_into_cond,
9687         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
9688         statement.
9689
9690 2007-01-08  Richard Guenther  <rguenther@suse.de>
9691
9692         PR tree-optimization/23603
9693         * tree-vrp.c (set_value_range_to_truthvalue): New function.
9694         (extract_range_from_binary): Fall back to truthvalue instead of
9695         varying for TRUTH_*_EXPR.
9696         (extract_range_from_comparison): Fall back to truthvalue instead of
9697         varying.
9698         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
9699         if all visited PHI values were constant.
9700
9701 2007-01-08  Jan Hubicka  <jh@suse.cz>
9702
9703         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
9704         (cgraph_analyze_function): break out from ...
9705         (cgraph_finalize_compilation_unit): ... here.
9706         (cgraph_expand_function): Remove forgoten commented out line.
9707         (cgraph_optimize): Analyze functions.
9708
9709 2007-01-08  Jan Hubicka  <jh@suse.cz>
9710
9711         * tree-pas.h (TODO_remove_function): New flag.
9712         (TODO_update*): Renumber.
9713         (pass_ipa_increase_alignment,
9714         pass_ipa_function_and_variable_visibility): New passes.
9715         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
9716         (cgraph_function_and_variable_visibility): Move to ipa.c
9717         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
9718         cgraph_increase_alignment.
9719         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
9720         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
9721         calling tree-inline.
9722         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
9723         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
9724         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
9725         (gate_increase_alignment): New function.
9726         (pass_ipa_increase_alignment): New pass.
9727         * ipa.c: Inline tree-pass.h and timevar.h
9728         (function_and_variable_visibility): Move here from cgraphunit.c
9729         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
9730         * passes.c (init_optimization_passes): Add the two new passes.
9731         (execute_todo): Handle cgraph_remove_functions.
9732
9733 2007-01-08  Nick Clifton  <nickc@redhat.com>
9734
9735         * config/frv/predicates.md (reg_or_0_operand): Accept
9736         CONST_DOUBLEs.
9737
9738 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
9739
9740         * config/bfin/rtems.h, config/bfin/t-rtems: New.
9741         * config.gcc: Add bfin*-rtems*.
9742
9743 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
9744
9745         * c.opt: Add -flax-vector-conversions.
9746         * c-typeck.c (convert_for_assignment): Pass flag to
9747         vector_types_convertible_p to allow emission of note.
9748         (digest_init): Likewise.
9749         * c-opts.c: Handle -flax-vector-conversions.
9750         * c-common.c (flag_lax_vector_conversions): New.
9751         (vector_types_convertible_p): Unless -flax-vector conversions
9752         has been passed, disallow conversions between vectors with
9753         differing numbers of subparts and/or element types.  If such
9754         a conversion is disallowed, possibly emit a note on the first
9755         occasion only to inform the user of -flax-vector-conversions.
9756         The new last argument specifies this.
9757         * c-common.h (flag_lax_vector_conversions): New.
9758         (vector_types_convertible_p): Add extra argument.
9759         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
9760         char_type_node for V*QI type vectors.
9761         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
9762         Update to satisfy new typechecking rules.
9763         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
9764         C and C++ variants.
9765         * doc/invoke.texi (C Dialect Options): Document
9766         -flax-vector-conversions.
9767
9768 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
9769
9770         PR tree-optimization/29877
9771         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
9772         a register variable on the RHS to not be replaceable.
9773
9774 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
9775         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
9776         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
9777         const_simm15, const_pow2, const_npow2): Added.
9778         * config/score/misc.md (insv, extv, extzv, movmemsi,
9779         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
9780         * config/score/score.c (score_address_cost, score_select_cc_mode):
9781         Added.
9782         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
9783         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
9784         Update score_print_operand.
9785         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
9786         Adjust register allocate order and update some macro define.
9787         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
9788         mdx_block_move_straight, mdx_block_move_loop_head,
9789         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
9790         mdx_block_move): Added.
9791         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
9792         mdp_limm): Updated and fix some bug and typo.
9793         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
9794         (movsf, movdf, doloop_end): Added.
9795
9796 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
9797
9798         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
9799         config/arm/thumb2.md: Fix comment typos.
9800         * doc/extend.texi: Fix a typo.
9801
9802 2007-01-07  Eric Christopher  <echristo@apple.com>
9803
9804         * configure.ac: Check for __stack_chk_fail for darwin.
9805         * configure: Regenerate.
9806
9807 2007-01-07  Richard Guenther  <rguenther@suse.de>
9808
9809         * tree-vrp.c (extract_range_from_assert): CSE calls to
9810         compare_values where possible.
9811         (extract_range_from_unary_expr): Likewise.
9812
9813 2007-01-07  Anatoly Sokolov <aesok@post.ru>
9814
9815         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
9816         * config/avr/avr.c (call_insn_operand): Delete function.
9817         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
9818         instead of register number. Use predicates.
9819         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
9820         call_insn_operand): Add.
9821
9822 2007-01-06  Jan Hubicka  <jh@suse.cz>
9823
9824         * tree-pass.h (pass_build_cgraph_edges): Declare.
9825         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
9826         (visited_nodes): Remove.
9827         (cgraph_create_edges): Move to cgraphbuild.c; rename to
9828         build_cgrpah_edges; make visited_nodes local.
9829         (cgraph_process_new_functions): DO not call initialize_inline_failed.
9830         (record_references_in_initializer): Move to cgraphbuild.c
9831         (initialize_inline_failed, rebuild_cgraph_edges,
9832         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
9833         (verify_cgraph_node): Make visited_nodes local.
9834         (cgraph_analyze_function): Do not call cgraph_create_edges and
9835         initialize_inline_failed.
9836         (cgraph_expand_function): Do not call cgraph_lower_function;
9837         assert that function is already lowered.
9838         * Makefile.in (cgraphbuild.o): New.
9839         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
9840         at the end of lowering passes.
9841
9842 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
9843
9844         * ifcvt.c (cond_move_convert_if_block): New function, code
9845         factored out from...
9846         (cond_move_process_if_block): ...here.  Call the new function
9847         on the THEN and ELSE blocks.
9848         (merge_if_block): Do not copy global_live_at_end, merge_blocks
9849         already takes care of this.
9850
9851 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9852
9853         PR c/19978
9854         * tree.h (TREE_OVERFLOW_P): New.
9855         * c-typeck.c (parser_build_unary_op): Warn only if result
9856         overflowed and operands did not.
9857         (parser_build_binary_op): Likewise.
9858         (convert_for_assignment): Remove redundant overflow_warning.
9859         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
9860
9861 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9862
9863         * c-typeck.c (store_init_value): Split over two lines to follow
9864         the GNU coding style.
9865
9866 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
9867
9868         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
9869         __GXX_EXPERIMENTAL_CXX0X__.
9870         * doc/cpp.texi: Same.
9871
9872 2007-01-05  Richard Guenther  <rguenther@suse.de>
9873
9874         PR middle-end/27826
9875         * tree.c (get_narrower): Do not construct COMPONENT_REFs
9876         with mismatched types.  Instead explicitly build a
9877         conversion NOP_EXPR.
9878
9879 2007-01-05  Ian Lance Taylor  <iant@google.com>
9880
9881         * c-common.c (decl_with_nonnull_addr_p): New function.
9882         (c_common_truthvalue_conversion): Call it.
9883         * c-typeck.c (build_binary_op): Likewise.
9884         * c-common.h (decl_with_nonnull_addr_p): Declare.
9885
9886 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
9887
9888         PR c/30360
9889         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
9890         denom against 0.0.
9891
9892 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
9893
9894         * doc/install.texi (Final install): Document the fact that
9895         the GNAT runtime should not be stripped.
9896
9897 2007-01-04  Jan Hubicka  <jh@suse.cz>
9898
9899         * tree-inline.c (fold_marked_statements): Update operand caches
9900         and EH after folding
9901
9902 2007-01-04  Ian Lance Taylor  <iant@google.com>
9903
9904         * c-common.c (check_function_nonnull): Whitespace fix.
9905
9906 2007-01-04  Jan Hubicka  <jh@suse.cz>
9907
9908         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
9909         comitted older version of patch.
9910         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
9911         function, celanup cfg and collect garbage.
9912
9913 2007-01-04  Mike Stump  <mrs@apple.com>
9914
9915         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
9916         (clean): Likewise.
9917
9918 2007-01-04  Eric Christopher  <echristo@apple.com>
9919
9920         * libgcc2.c (__bswapsi2): Use SItype.
9921         (__bswapdi2): Use DItype.
9922         * libgcc2.h: Update for above.
9923
9924 2007-01-04  Paul Brook  <paul@codesourcery.com>
9925
9926         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
9927         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
9928         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
9929         umulsidi3, umulsidi3adddi, smulsi3_highpart,
9930         umulsi3_highpart): Make conditional on !arm_arch6.
9931         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
9932         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
9933         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
9934         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
9935         umulsi3_highpart_v6): New insns.
9936
9937 2007-01-04  Roger Sayle  <roger@eyesopen.com>
9938
9939         * fold-const.c (fold_convert): When casting an expression to void,
9940         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
9941         have a type.  Instead of attempting to build a NOP_EXPR, return
9942         these "special" trees directly.
9943
9944 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
9945
9946         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
9947         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
9948         rs6000_cost->fp not 0 as adjustment for outer NEG.
9949
9950 2007-01-04  Jan Hubicka  <jh@suse.cz>
9951
9952         * cgraph.c (cgraph_release_function_body): New function.
9953         (cgraph_remove_node): Use it.
9954         * cgraph.h (cgraph_release_function_body): Declare.
9955         * cgraphunit.c (cgraph_expand_function): Use it.
9956         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
9957         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
9958         is initialized and while compilation of other function is running.
9959         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
9960         statement CFG annotations from here to ...
9961         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
9962
9963 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
9964
9965         * cfgloop.h (enum li_flags): Make the constants powers of two.
9966
9967 2007-01-04  Jan Hubicka  <jh@suse.cz>
9968
9969         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
9970         set.
9971         (fold_marked_statements): New function.
9972         (optimize_inline_calls, tree_function_versioning): Fold new statements.
9973         * tree-inline.h (copy_body_data): Add statements_to_fold.
9974
9975 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
9976
9977         * config.gcc: Mention libgcc/config.host.
9978         * Makefile.in: Update comments mentioning libgcc.
9979         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
9980         (all.cross, start.encap, rest.encap, rest.cross): Update
9981         dependencies for libgcc move.
9982         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
9983         (clean-target, clean-target-libgcc): Delete.
9984         (srcdirify, GCC_EXTRA_PARTS): New macros.
9985         (libgcc-support, libgcc.mvars): New rules.
9986         (distclean): Remove mention of mklibgcc.
9987         (install): Don't reference INSTALL_LIBGCC.
9988         (install-common): Don't reference EXTRA_PARTS.
9989         (install-libgcc, install-multilib): Delete rules.
9990         * mklibgcc.in: Delete file.
9991         * doc/configfiles.texi: Don't mention mklibgcc.
9992
9993         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
9994         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
9995         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
9996         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
9997         (mklibgcc, ldblspecs): Likewise.
9998
9999         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10000         (posixpre.def): Use $(T).
10001         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10002         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10003         (SHLIB_LINK): Make dummy.
10004         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10005
10006         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10007
10008         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10009         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10010         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10011         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10012
10013         * configure.ac (all_outputs): Remove mklibgcc.
10014         * configure: Regenerated.
10015
10016 2007-01-03  Josh Conner  <jconner@apple.com>
10017
10018         PR middle-end/29683
10019         * calls.c (compute_argument_addresses): Set stack and stack_slot
10020         for partial args, too.
10021         (store_one_arg): Use locate.size.constant for the size when
10022         generating a save_area.
10023
10024 2007-01-03  Robert Kennedy <jimbob@google.com>
10025
10026         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
10027         whose definitions are deleted due to basic block merging.
10028
10029 2007-01-03  Paul Brook  <paul@codesourcery.com>
10030
10031         PR target/16634
10032         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
10033         functions.
10034         (use_return_insn): Return 0 for Thumb interrupt functions.
10035         (print_multi_reg): Add rfe argument for IRQ returns.
10036         (arm_output_epilogue): Pop interrupt return address directly into PC.
10037         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
10038
10039 2007-01-03  Paul Brook  <paul@codesourcery.com>
10040
10041         Merge from sourcerygxx-4_1.
10042         * config/arm/thumb2.md: New file.
10043         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10044         Thumb-2.
10045         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10046         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10047         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10048         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10049         tables.
10050         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10051         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10052         comptibility.
10053         * config/arm/ieee754-sf.S: Ditto.
10054         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10055         (thumb1_base_register_rtx_p): ... to this.
10056         (thumb_index_register_rtx_p): Rename...
10057         (thumb1_index_register_rtx_p): ... to this.
10058         (thumb_output_function_prologue): Rename...
10059         (thumb1_output_function_prologue): ... to this.
10060         (thumb_legitimate_address_p): Rename...
10061         (thumb1_legitimate_address_p): ... to this.
10062         (thumb_rtx_costs): Rename...
10063         (thumb1_rtx_costs): ... to this.
10064         (thumb_compute_save_reg_mask): Rename...
10065         (thumb1_compute_save_reg_mask): ... to this.
10066         (thumb_final_prescan_insn): Rename...
10067         (thumb1_final_prescan_insn): ... to this.
10068         (thumb_expand_epilogue): Rename...
10069         (thumb1_expand_epilogue): ... to this.
10070         (arm_unwind_emit_stm): Rename...
10071         (arm_unwind_emit_sequence): ... to this.
10072         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
10073         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
10074         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
10075         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
10076         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
10077         thumb2_output_casesi): New functions.
10078         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
10079         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
10080         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
10081         THUMB2_WORK_REGS): Define.
10082         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
10083         arm_condexec_mask, arm_condexec_masklen)): New variables.
10084         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
10085         (arm_override_options): Check new CPU capabilities.
10086         Set new architecture flag variables.
10087         (arm_isr_value): Handle v7m interrupt functions.
10088         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
10089         Thumb-2.
10090         (const_ok_for_arm): Handle Thumb-2 constants.
10091         (arm_gen_constant): Ditto.  Use movw when available.
10092         (arm_function_ok_for_sibcall): Return false for v7m interrupt
10093         functions.
10094         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
10095         (thumb_find_work_register, arm_load_pic_register,
10096         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
10097         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
10098         print_multi_reg, output_mov_long_double_fpa_from_arm,
10099         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
10100         output_mov_double_fpa_from_arm, output_move_double,
10101         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
10102         output_return_instruction, arm_output_function_prologue,
10103         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
10104         arm_output_mi_thunk, thumb_set_return_address): Ditto.
10105         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
10106         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
10107         (arithmetic_instr, shift_op): Use arm_shift_nmem.
10108         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
10109         '!' and 'L'.
10110         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
10111         (thumb_expand_prologue): Use thumb_set_frame_pointer.
10112         (arm_file_start): Output directive for unified syntax.
10113         (arm_unwind_emit_set): Handle stack alignment instruction.
10114         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
10115         Add v6t2, v7, v7a, v7r and v7m.
10116         (RETLDM): Add Thumb-2 code.
10117         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
10118         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
10119         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
10120         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
10121         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
10122         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
10123         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
10124         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
10125         ADJUST_INSN_LENGTH): Define.
10126         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
10127         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
10128         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
10129         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
10130         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
10131         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
10132         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
10133         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
10134         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
10135         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
10136         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
10137         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
10138         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
10139         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
10140         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
10141         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
10142         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
10143         cortex-m3.
10144         * config/arm/arm-tune.md: Regenerate.
10145         * config/arm/arm-protos.h: Update prototypes.
10146         * config/arm/vfp.md: Enable patterns for Thumb-2.
10147         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
10148         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
10149         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
10150         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
10151         * config/arm/libunwind.S: Add Thumb-2 code.
10152         * config/arm/constraints.md: Update include Thumb-2.
10153         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
10154         * config/arm/ieee754-df.S: Ditto.
10155         * config/arm/bpabi.S: Ditto.
10156         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
10157         * config/arm/predicates.md (low_register_operand,
10158         low_reg_or_int_operand, thumb_16bit_operator): New.
10159         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
10160         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
10161         * config/arm/t-arm-elf: Add armv7 multilib.
10162         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
10163         Include thumb2.md.
10164         (UNSPEC_STACK_ALIGN, ce_count): New.
10165         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
10166         arm_zero_extendsidi2, arm_zero_extendqidi2): New
10167         insns/expanders.
10168         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
10169         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
10170         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
10171         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
10172         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
10173         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
10174         insns.
10175         * doc/extend.texi: Document ARMv7-M interrupt functions.
10176         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
10177
10178 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
10179
10180         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
10181         (struct _Unwind_Context): Rename args_size to flags, remove
10182         signal_frame field, add a new args_size field and version field.
10183         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
10184         _Unwind_IsExtendedContext): New inline functions.
10185         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10186         Assume by_value array is only present if _Unwind_IsExtendedContext.
10187         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
10188         _Unwind_IsSignalFrame.
10189         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
10190         (uw_update_context_1): Use _Unwind_SetSignalFrame.
10191         (uw_init_context_1): Initialize context->flags to
10192         EXTENDED_CONTEXT_BIT.
10193         * config/rs6000/linux-unwind.h (frob_update_context): Use
10194         _Unwind_SetSignalFrame.
10195
10196 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10197
10198         PR middle-end/30353
10199         * gimplify.c (gimplify_modify_expr_complex_part): Move below
10200         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
10201         the value.
10202
10203 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
10204
10205         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
10206         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
10207         RET, AT_SP): Remove.
10208         * config/i386/i386.md (*sse_prologue_save_insn): Use return
10209         instead of RET.
10210
10211         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10212         * cfgbuild.c (find_basic_blocks): Likewise.
10213         * cfgrtl.c (rtl_create_basic_block): Likewise.
10214         * function.c (temp_slots_at_level): Likewise.
10215         * reg-stack.c (stack_regs_mentioned): Likewise.
10216         * regclass.c (allocate_reg_info): Likewise.
10217         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10218         set_bb_for_stmt, move_block_to_fn): Likewise.
10219         * tree-complex.c (tree_lower_complex): Likewise.
10220         * vec.h (VEC_safe_grow_cleared): New.
10221
10222         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
10223
10224 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
10225
10226         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
10227         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
10228         to loop_version.
10229         * cfgloopmanip.c (scale_loop_frequencies): Export.
10230         (loopify): Scale the frequencies by prescribed coefficients.
10231         (set_zero_probability): New function.
10232         (duplicate_loop_to_header_edge): Improve updating of frequencies.
10233         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
10234         and frequencies according to arguments.
10235         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
10236         correctly.
10237         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
10238         * modulo-sched.c (sms_schedule): Set probabilities for entering
10239         versioned loop correctly.
10240         * tree-vect-transform.c (vect_transform_loop): Ditto.
10241         * cfgloop.h (loopify, loop_version): Declaration changed.
10242         (scale_loop_frequencies): Declared.
10243
10244 2007-01-02  Jan Hubicka  <jh@suse.cz>
10245
10246         * cgraph.c: Include tree-flow.h
10247         (cgraph_add_new-function): Handle IPA_SSA mode; execute
10248         early_local_passes.
10249         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
10250         * tree-pass.h (pass_all_early_optimizations): Declare.
10251         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
10252         early_local_passes.
10253         (cgraph_analyze_function): Do early_local_passes.
10254         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10255         Do not add referenced vars.
10256         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
10257         SSA form.
10258         (gate_all_early_local_passes): New gate.
10259         (pass_early_local_passes): Use new gate.
10260         (execute_early_local_optimizations): New functions.
10261         (gate_all_early_optimizations): New gate.
10262         (pass_all_early_optimizations): New pass.
10263         (execute_free_datastructures): Free SSA only when initialized.
10264         (gate_init_datastructures): Init only when optimizing.
10265         (tree_lowering_passes): Do early local passes when called late.
10266         * tree-profile.c (do_tree_profiling): Don't profile functions added
10267         late.
10268         (do_early_tree_profiling, pass_early_tree_profile): Kill.
10269         * tree-cfg.c (update_modified_stmts): Do not update when operands are
10270         not active.
10271         * passes.c (init_optimizations_passes): Reorder so we go into SSA
10272         during early_local_passes.
10273         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
10274
10275
10276 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10277
10278         * Makefile.in: Update copyright year.
10279
10280 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10281
10282         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
10283         in $(lang_checks) and check-consistency targets.
10284
10285 2007-01-02  Jan Hubicka  <jh@suse.cz>
10286
10287         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10288         Do not add referenced vars.
10289         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
10290         are not active.
10291         * passes.c (init_optimization_passes): Put mudflap_2 after
10292         free_datastructures.
10293
10294 2007-01-02  Jan Hubicka  <jh@suse.cz>
10295
10296         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
10297         Set NOTHROW flag on call statements proved to be nothrow.
10298         Update statement of local calls so new pure/const functions are
10299         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
10300         goto receivers.
10301         (tree_rest_of_compilation): Register hooks and initialize bitmap
10302         early. Do not set after_inlining flag.
10303
10304 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
10305
10306         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
10307         HOST_BITS_PER_LONGLONG
10308
10309 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10310
10311         PR c/19977
10312         * c-typeck.c (store_init_value): Don't emit pedantic overflow
10313         warning for non-static initializers.
10314
10315 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
10316
10317         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
10318         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
10319         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
10320         Always use set_unique_reg_note to add REG_EQUAL notes.
10321
10322 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10323
10324         Revert:
10325         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10326
10327         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10328         * cfgbuild.c (find_basic_blocks): Likewise.
10329         * cfgrtl.c (rtl_create_basic_block): Likewise.
10330         * function.c (temp_slots_at_level): Likewise.
10331         * reg-stack.c (stack_regs_mentioned): Likewise.
10332         * regclass.c (allocate_reg_info): Likewise.
10333         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10334         set_bb_for_stmt, move_block_to_fn): Likewise.
10335         * tree-complex.c (tree_lower_complex): Likewise.
10336         * vec.h (VEC_safe_grow_cleared): New.
10337
10338 2007-01-02  Ian Lance Taylor  <iant@google.com>
10339
10340         * c-common.c (c_common_truthvalue_conversion): When warning about
10341         using an assignment as a truth value, set TREE_NO_WARNING.
10342
10343 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10344
10345         PR middle-end/7651
10346         * c.opt (Wold-style-declaration): New.
10347         * doc/invoke.texi (C-only Warning Options): New.
10348         (Wold-style-declaration): Document it.
10349         (Wextra): Enabled by -Wextra.
10350         * c-opts.c (c_common_post_options): Enabled by -Wextra.
10351         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
10352         -Wold-style-declaration.
10353
10354 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10355
10356         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10357         * cfgbuild.c (find_basic_blocks): Likewise.
10358         * cfgrtl.c (rtl_create_basic_block): Likewise.
10359         * function.c (temp_slots_at_level): Likewise.
10360         * reg-stack.c (stack_regs_mentioned): Likewise.
10361         * regclass.c (allocate_reg_info): Likewise.
10362         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10363         set_bb_for_stmt, move_block_to_fn): Likewise.
10364         * tree-complex.c (tree_lower_complex): Likewise.
10365         * vec.h (VEC_safe_grow_cleared): New.
10366
10367 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
10368
10369         * c-common.c (c_common_nodes_and_builtins): Since variants of
10370         void_type_node get built before it is given a name, we need to
10371         give those variants the name, too.
10372         (complete_array_type): We need to work with the canonical main
10373         type of the array, from which we will build the qualified version.
10374         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
10375         * print-tree.c (print_node): Display canonical type information
10376         for each type.
10377         * stor-layout.c (layout_type): When we don't know the
10378         alignment of a type for which we're building an array, we end up
10379         guessing wrong, so make the type require structural equality.
10380         * tree.c (make_node_stat): When we build a new type, it is its
10381         own canonical type.
10382         (build_type_attribute_qual_variant): When building an attribute
10383         variant, its canonical type is the non-attribute variant. However,
10384         if the attributes are target-dependent and they differ, we need to
10385         use structural equality checks for this type.
10386         (build_qualified_type): A qualified type is not equivalent to its
10387         unqualified variant; set the canonical type appropriately.
10388         (build_distinct_type_copy): When building a distinct type from
10389         another type, the new type is its own canonical type.
10390         (build_variant_type_copy): When building a new type variant, we
10391         assume that it is equivalent to the original type.
10392         (build_pointer_type_for_mode): When building a pointer type, also
10393         build a canonical type pointer.
10394         (build_reference_type_for_mode): When building a reference type,
10395         also build a canonical type reference.
10396         (build_index_type): When we can't hash an index type (e.g.,
10397         because its maximum value is negative), the index type requires
10398         structural equality tests.
10399         (build_array_type): Build the canonical form of an array type.
10400         (build_function_type): Function types require structural equality,
10401         because they contain default arguments, attributes, etc.
10402         (build_method_type_directly): Ditto for method types.
10403         (build_offset_type): Build the canonical offset type.
10404         (build_complex_type): Build the canonical vector type.
10405         (make_vector_type): Build the canonical vector type.
10406         * tree.h (TYPE_CANONICAL): New.
10407         (TYPE_STRUCTURAL_EQUALITY_P): New.
10408         (SET_TYPE_STRUCTURAL_EQUALITY): New.
10409         (struct tree_type): Added "canonical" field.
10410         * params.h (VERIFY_CANONICAL_TYPES): New.
10411         * doc/c-tree.texi (TYPE_CANONICAL): Document.
10412         (TYPE_STRUCTURAL_EQUALITY_P): Document.
10413         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
10414         * doc/invoke.texi (verify-canonical-types): Document --param
10415         parameter for verifying canonical types.
10416
10417 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10418
10419         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
10420         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
10421         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
10422         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
10423         tm_file.
10424         * config/rs6000/e500.h: New.
10425         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
10426         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
10427         Remove.
10428         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
10429         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
10430         TARGET_E500_DOUBLE): Remove.
10431         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
10432         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
10433         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
10434         * config/rs6000/rs6000.c (rs6000_override_options): Use
10435         CHECK_E500_OPTIONS.
10436
10437 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10438
10439         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
10440         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
10441         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
10442         rs6000_emit_cmove): Don't check TARGET_E500.
10443         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
10444         sordered): Don't check TARGET_E500.
10445
10446 2007-01-01  Eric Christopher  <echristo@apple.com>
10447
10448         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
10449         HARD_REGISTER_NUM_P.
10450
10451 2007-01-01  Roger Sayle  <roger@eyesopen.com>
10452
10453         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
10454         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
10455         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
10456         eq/ne Y".
10457
10458 2007-01-01  Mike Stump  <mrs@apple.com>
10459
10460         * configure.ac: Remove support for building with Apple's gcc-3.1.
10461
10462 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10463
10464         PR middle-end/30311
10465         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
10466         REG is a hard register.  Do not modify REG before calling
10467         subreg_nregs.
10468         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
10469         multiple of the size of YMODE for certain lowpart cases.
10470
10471 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10472
10473         PR middle-end/30253
10474         * gimplify (voidify_wrapper_expr): Update for
10475         GIMPLE_MODIFY_STMT.
10476
10477 2007-01-01  Andreas Schwab  <schwab@suse.de>
10478
10479         PR target/29166
10480         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
10481         save of BR0 in extra_spill_size instead of spill_size.
10482         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
10483         area.
10484         (ia64_expand_epilogue): Restore BR0 from its new location.
10485
10486 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10487
10488         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
10489         Use a temporary variable if the left hand side is not a gimple
10490         register.
10491
10492 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10493
10494         * gimplify.c (gimplify_return_expr): Make the temporary variable
10495         for the return expression, a gimple register variable.
10496
10497 2007-01-01  Jan Hubicka  <jh@suse.cz>
10498
10499         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
10500         INSN_LIST.
10501
10502 2007-01-01  Mike Stump  <mrs@apple.com>
10503
10504         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
10505         .literal16.
10506         * config/darwin.c (machopic_select_rtx_section): Use
10507         HAVE_GAS_LITERAL16.
10508         (darwin_mergeable_constant_section): Likewise.
10509         * configure: Regenerate.
10510         * config.in: Regenerate.
10511
10512 2007-01-01  Jan Hubicka  <jh@suse.cz>
10513             Andrew Pinski  <pinskia@gmail.com>
10514
10515         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
10516         before starting IPA passes.