OSDN Git Service

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         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
4         lower bound and element size if lower bound is not zero
5         or either of the ARRAY_REF operands is set.
6
7 2007-04-12  Richard Guenther  <rguenther@suse.de>
8
9         PR tree-optimization/24689
10         PR tree-optimization/31307
11         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
12         indices by value.
13         * gimplify.c (canonicalize_addr_expr): To be consistent with
14         gimplify_compound_lval only set operands two and three of
15         ARRAY_REFs if they are not gimple_min_invariant.  This makes
16         it never at this place.
17         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
18
19 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20
21         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
22         null before emitting a .nsubspa directive.
23
24 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
25
26         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
27         need_to_partition_p if there are no memory statements in the
28         function.
29
30 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
31
32         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
33         (gcd_of_steps_may_divide_p): New function.
34         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
35
36 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
37
38         * reload.c (find_reloads_toplev, find_reloads_address,
39         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
40         not a pointer equality test, to decide if we need to call
41         push_reg_equiv_alt_mem.
42
43 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
44
45         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
46         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
47         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
48
49 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
50
51         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
52         vector to be positive.
53
54 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
55
56         PR 30735
57         PR 31090
58         * doc/invoke.texi: Document --params max-aliased-vops and
59         avg-aliased-vops.
60         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
61         debug_memory_partitions): Move to tree-flow.h
62         * params.h (AVG_ALIASED_VOPS): Define.
63         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
64         users.
65         (mp_info_t): Likewise.
66         (get_mem_sym_stats_for): New.
67         (set_memory_partition): Move from tree-flow-inline.h.
68         (mark_non_addressable): Only clear the set of symbols for the
69         partition if it exists.
70         (dump_memory_partitions): Move from tree-ssa-operands.c
71         (debug_memory_partitions): Likewise.
72         (need_to_partition_p): New.
73         (dump_mem_ref_stats): New.
74         (debug_mem_ref_stats): New.
75         (dump_mem_sym_stats): New.
76         (debug_mem_sym_stats): New.
77         (update_mem_sym_stats_from_stmt): New.
78         (compare_mp_info_entries): New.
79         (mp_info_cmp): Call it.
80         (sort_mp_info): Change argument to a list of mem_sym_stats_t
81         objects.
82         (get_mpt_for): Move from tree-ssa-operands.c.
83         (find_partition_for): New.
84         (create_partition_for): Remove.
85         (estimate_vop_reduction): New.
86         (update_reference_counts): New.
87         (build_mp_info): New.
88         (compute_memory_partitions): Refactor.
89         Document new heuristic.
90         Call build_mp_info, update_reference_counts,
91         find_partition_for and estimate_vop_reduction.
92         (compute_may_aliases): Populate virtual operands before
93         calling debugging dumps.
94         (delete_mem_sym_stats): New.
95         (delete_mem_ref_stats): New.
96         (init_mem_ref_stats): New.
97         (init_alias_info): Call it.
98         (maybe_create_global_var): Remove alias_info argument.
99         Get number of call sites and number of pure/const call sites
100         from gimple_mem_ref_stats().
101         (dump_alias_info): Call dump_memory_partitions first.
102         (dump_points_to_info_for): Show how many times a pointer has
103         been dereferenced.
104         * opts.c (decode_options): For -O2 set --param
105         max-aliased-vops to 500.
106         For -O3 set --param max-aliased-vops to 1000 and --param
107         avg-aliased-vops to 3.
108         * fortran/options.c (gfc_init_options): Remove assignment to
109         MAX_ALIASED_VOPS.
110         * tree-flow-inline.h (gimple_mem_ref_stats): New.
111         * tree-dfa.c (dump_variable): Dump memory reference
112         statistics.
113         Dump NO_ALIAS* settings.
114         (referenced_var_lookup): Tidy.
115         (mem_sym_stats): New.
116         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
117         and ORIG are different SSA names for a memory partition.
118         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
119         * tree-flow.h (struct mem_sym_stats_d): Define.
120         (mem_sym_stats_t): Define.
121         (struct mem_ref_stats_d): Define.
122         (struct gimple_df): Add field mem_ref_stats.
123         (enum noalias_state): Define.
124         (struct var_ann_d): Add bitfield noalias_state.
125         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
126         debug_mem_ref_stats, debug_memory_partitions,
127         debug_mem_sym_stats): Declare.
128         * tree-ssa-structalias.c (update_alias_info): Update call
129         sites, pure/const call sites and asm sites in structure
130         returned by gimple_mem_ref_stats.
131         Remove local variable IS_POTENTIAL_DEREF.
132         Increase NUM_DEREFS if the memory expression is a potential
133         dereference.
134         Call update_mem_sym_stats_from_stmt.
135         If the memory references memory, call
136         update_mem_sym_stats_from_stmt for all the direct memory
137         symbol references found.
138         (intra_create_variable_infos): Set noalias_state field for
139         pointer arguments according to the value of
140         flag_argument_noalias.
141         * tree-ssa-structalias.h (struct alias_info): Remove fields
142         num_calls_found and num_pure_const_calls_found.
143         (update_mem_sym_stats_from_stmt): Declare.
144         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
145         Set default value to 100.
146         (PARAM_AVG_ALIASED_VOPS): Define.
147
148 2007-04-11  Richard Guenther  <rguenther@suse.de>
149
150         PR middle-end/31530
151         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
152         a * -b + c as c - a * b if we honor sign dependent rounding.
153
154 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
155
156         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
157         bfin_expand_strmov.
158         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
159         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
160         variables.
161         (initialize_trampoline): Don't use old-style function definition.
162         (bfin_secondary_reload): Mark IN_P argument as unused.
163
164 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
165
166         PR tree-optimization/31343
167         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
168         (build_polynomial_chrec): Return a scalar when the evolution is zero.
169         * testsuite/gcc.dg/vect/pr31343.c: New.
170
171 2007-04-10  Eric Christopher  <echristo@apple.com>
172
173         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
174         * config/i386/i386.md (*cmpfp0): Use.
175         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
176         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
177         (fix_trunc<mode>_i386_fisttp): Ditto.
178         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
179         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
180         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
181         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
182         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
183         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
184         (unnamed_splitters): Ditto.
185         * config/i386/i386.c (output_fix_trunc): Assert that
186         we're not being passed a TFmode operand.
187
188 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
189
190         PR tree-optimization/31526
191         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
192         n_basic_blocks to find newly added blocks.
193
194 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
195
196         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
197         alternative.
198         (fix_trunc<mode>si_sse): Ditto.
199         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
200         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
201         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
202         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
203         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
204         expander using SSEMODEF mode macro.
205         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
206         expander using SSEMODEF mode macro.
207         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
208         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
209         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
210         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
211         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
212         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
213         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
214         Macroize insn using X87MODEF mode macro.
215
216 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
217
218         * config/i386/sse.md (sse2_pinsrw): Removed.
219         (sse2_pextrw): Renamed to ...
220         (*sse2_pextrw): This.
221
222 2007-04-09  Jan Hubicka  <jh@suse.cz>
223
224         PR target/27869
225         * config/i386/sse.md
226         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
227         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
228         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
229         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
230
231 2007-04-09  Jan Hubicka  <jh@suse.cz>
232
233         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
234         multiple fields of union.
235
236 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
237
238         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
239         (create_preheaders): Check that loops are available.
240         (fix_loop_structure): Clean up, improve comments.
241         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
242         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
243         state flags.
244         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
245         * predict.c (tree_estimate_probability): Do not call
246         calculate_dominance_info.  Call create_preheaders.
247         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
248         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
249         flags.
250         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
251         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
252         * tree-cfg.c (tree_split_edge): Make an assert more precise.
253         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
254         arguments.
255
256 2007-04-08  Jan Hubicka  <jh@suse.cz>
257
258         * tree.h (maybe_fold_offset_to_component_ref): Declare.
259         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
260         * fold-const.c (fold_unary): Use it.
261
262 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
263
264         * varasm.c (assemble_variable): Remove call to
265         lang_hooks.decls.prepare_assemble_variable.
266         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
267         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
268         * langhooks.h (lang_hooks_for_decls): Remove
269         prepare_assemble_variable.
270
271 2007-04-08  Mike Stump  <mrs@apple.com>
272
273         * config/i386/i386.c: Use inc/dec on Core2.
274
275 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
276
277         * langhooks.c (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.
280         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
281         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
282         end_inlining hooks.
283         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
284         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
285         lhd_tree_inlining_end_inlining): Remove prototypes.
286         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
287         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
288         LANG_HOOKS_TREE_INLINING_START_INLINING,
289         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
290
291         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
292         not set it.
293
294 2007-04-08  Anatoly Sokolov <aesok@post.ru>
295
296         PR target/29932
297         * config/avr/predicates.md (io_address_operand): Delete predicate.
298         (low_io_address_operand): Don't use 'mode' argument.
299         (higth_io_address_operand): Rename ...
300         (high_io_address_operand): ... to this. Don't use 'mode' argument.
301         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
302         for above change.
303
304 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
305
306         Revert change removing staticp.
307
308 2007-04-07  Anatoly Sokolov <aesok@post.ru>
309
310         PR target/30289
311         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
312         earlyclobber.
313
314 2007-04-07  Bruce Korb  <bkorb@gnu.org>
315
316         * c.opt: Add -Wformat-contains-nul.
317         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
318           -Wformat setting.
319         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
320         the NUL byte warning.
321
322 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
323
324         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
325
326 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
327
328         * tree.c (staticp): No longer use staticp langhook.
329         * langhooks.c (lhd_staticp): Removed.
330         * langhooks.h (struct lang_hooks): Remove staticp.
331         * c-common.c (c_staticp): Remove.
332         * c-common.h (c_staticp): Ditto.
333         * langhooks-defs.h (lhd_staticp): Ditto.
334         (LHD_HOOKS_STATICP): Ditto
335         * tree.h (gcc_assert_lowered): New macro.
336
337 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
338
339         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
340         argument "reliable".
341         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
342         Add argument "reliable".  Propagate it through calls.
343         (infer_loop_bounds_from_undefined):  Derive number of iterations
344         estimates from references in blocks that do not dominate loop latch.
345         (gcov_type_to_double_int): New function.
346         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
347         and expected_loop_iterations_unbounded.
348         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
349         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
350         * tree-data-ref.c (estimated_loop_iterations): Export.
351         (get_references_in_stmt): Fix -- do not return addresses of local
352         objects.
353         * cfgloop.h (expected_loop_iterations_unbounded,
354         estimated_loop_iterations): Declare.
355
356 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
357
358         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
359
360 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
361
362         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
363         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
364         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
365         Use output_387_reg_move().
366         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
367         expander using X87MODEF12 mode macro.
368         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
369         choosing register preferences.  Use output_387_reg_move().
370         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
371         instead of "x".  Use output_387_reg_move().
372         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
373         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
374         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
375         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
376         Use output_387_reg_move().
377         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
378         mode macro.
379         (*truncxf?f_i387 splitter): Ditto.
380
381 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
382
383         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
384         LANG_HOOKS_SAFE_FROM_P.
385         * expr.c (safe_from_p): Remove langhook call.
386         * langhooks.h (lang_hooks): Remove safe_from_p.
387         (lhd_safe_from_p): Remove prototype.
388         * langhooks.c (lhd_safe_from_p): Remove.
389
390 2007-04-06  Jan Hubicka  <jh@suse.cz>
391
392         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
393         functions.
394
395 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
396
397         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
398         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
399         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
400         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
401         alternative.
402         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
403         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
404
405 2007-04-05  Richard Henderson  <rth@redhat.com>
406
407         * config/alpha/alpha.c (print_operand) [+]: Remove.
408         (alpha_end_function): Print nop if call at end of function.
409         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
410         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
411         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
412         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
413         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
414         the call pattern. Update peepholes to match.
415
416 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
417
418         * doc/extend.texi (Other Builtins): Add decimal float variants
419         of signbit.
420         * builtins.def: Ditto.
421         * builtins.c (expand_builtin): Ditto.
422
423 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
424             H.J. Lu  <hongjiu.lu@intel.com>
425
426         PR target/31478
427         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
428         of V8HImode when calling ix86_binary_operator_ok.
429         (sse2_pmaddwd): Call ix86_binary_operator_ok.
430         (sdot_prodv8hi): Operands 1 and 2 must be register.
431
432 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
433
434         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
435         initialize align to silence bogus warning.
436
437 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
438
439         PR middle-end/22156
440         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
441         all_no_warning.
442         (struct sra_walk_fns): Remove use_all parameter from use.
443         (sra_hash_tree): Handle BIT_FIELD_REFs.
444         (sra_elt_hash): Don't hash bitfld blocks.
445         (sra_elt_eq): Skip them in parent compares as well.  Handle
446         BIT_FIELD_REFs.
447         (sra_walk_expr): Don't maintain or pass down use_all_p.
448         (scan_use): Remove use_all parameter.
449         (scalarize_use): Likewise.  Re-expand assignment to
450         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
451         output, and re-scalarize after output.  Don't mark anything
452         for no warning.
453         (scalarize_ldst): Adjust.
454         (scalarize_walk_gimple_modify_statement): Likewise.
455         (build_element_name_1): Handle BIT_FIELD_REFs.
456         (instantiate_element): Don't warn for any element whose parent
457         is used as a whole.
458         (instantiate_missing_elements_1): Return the sra_elt.
459         (canon_type_for_field): New.
460         (try_instantiate_multiple_fields): New.
461         (instantiate_missing_elemnts): Use them.
462         (mark_no_warning): Removed.
463         (generate_one_element_ref): Handle BIT_FIELD_REFs.
464         (REPLDUP, sra_build_elt_assignment): New.
465         (generate_copy_inout): Use them.
466         (generate_element_copy): Likewise.  Handle bitfld differences.
467         (generate_element_zero): Don't recurse for blocks.  Use
468         sra_build_elt_assignment.
469         (generate_one_element_int): Take elt instead of var.  Use
470         sra_build_elt_assignment.
471         (generate_element_init_1): Adjust.
472         (scalarize_use, scalarize_copy): Use REPLDUP.
473         (scalarize_ldst): Move assert before dereference.
474         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
475
476 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
477
478         * regmove.c: Fix unused variable warnings due to previous commit.
479
480 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
481
482         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
483         (regmove_bb_head): Remove.
484         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
485         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
486         problems with fixup_match_1.
487         Don't initialize/free regmove_bb_head.
488
489         (reg_is_remote_constant_p): If an insn is in the same basic block
490         but not before INSN, consider it remote, too.
491
492 2007-04-05  Anatoly Sokolov <aesok@post.ru>
493
494         PR target/25448
495         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
496         DECL_ASSEMBLER_NAME, not the DECL_NAME.
497
498 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
499
500         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
501         (CONDITIONAL_REGISTER_USAGE): Likewise.
502
503 2007-04-04  Richard Henderson  <rth@redhat.com>
504
505         * config/alpha/lib1funcs.asm: Remove unused file.
506
507 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
508
509         PR other/31356
510         * opts.c (print_specific_help): Fix --help=<language>
511         header line.
512         (common_handle_option): Support --help=common.
513
514 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
515
516         PR other/31353
517         * gcc.c (main): Do not run the linker if
518         print_subprocess_help indicates that it shouldn't be
519         run.
520
521 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
522
523         PR doc/31355
524         * doc/invoke.texi (--help=): Document <languages> value, fix
525         formatting in tables of values.
526
527 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
528
529         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
530         dllimport attribute of virtual methods.
531
532 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
533
534         * config/score/crti.asm: Change _bss_start to __bss_start.
535         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
536         (OUTGOING_REG_PARM_STACK_SPACE) update.
537         * config/score/score.opt: add options to make backend support
538         score5, score5u, score7 and score7d.
539         * config/score/score.md: Likewise.
540         * config/score/misc.md: Likewise.
541         * config/score/mac.md: Likewise.
542         * doc/invoke.texi: Likewise.
543         * doc/md.texi: update constraints define.
544
545 2007-04-03  Richard Henderson  <rth@redhat.com>
546
547         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
548         an appropriate type, use the mode instead.
549
550 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
551
552         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
553         Set the default --with-arch setting to mips2.
554         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
555         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
556         (MULTILIB_OSDIRNAMES): Delete.
557         (MULTILIB_DIRNAMES): Define.
558         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
559         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
560         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
561         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
562         VXWORKS_OS_CPP_BUILTINS.
563         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
564         (MIPS_DEBUGGING_INFO): Undefine.
565         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
566
567 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
568
569         PR middle-end/30704
570         * fold-const.c (native_encode_real): Encode real.c provided longs
571         as a series of 32-bit native integers.
572         (native_interpret_real): Interpret buffer as a series of 32-bit
573         native integers.
574
575 2007-04-03  Richard Guenther  <rguenther@suse.de>
576
577         * genpreds.c (write_insn_constraint_len): Write function
578         optimized for CONSTRAINT_LEN implementation.
579         (write_tm_preds_h): Output insn_constraint_len inline and
580         use it for CONSTRAINT_LEN.
581         (write_insn_preds_c): Don't output insn_constraint_len.
582         * doc/md.texi (define_register_constraint): Document multi-letter
583         constraints shall have the same length if they start with the same
584         letter.
585
586 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
587
588         PR target/31175
589         * config/i386/i386.md (isinf<mode>2): Expand only when
590         TARGET_C99_FUNCTIONS is set.
591
592 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
593
594         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
595         (x86_64-*-linux*): Ditto.
596         * config/i386/i386.opt (mpc): New option.
597         * config/i386/i386.c (overrride_options): Handle
598         ix87_precision_string.
599         * config/i386/crtprec.c: New file.
600         * config/i386/t-crtpc: Ditto.
601         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
602         and -mpc80 options.
603         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
604         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
605         crtprec32.o, crtprec64.o and crtprec80.o.
606
607         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
608         and -mpc80 options.
609         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
610
611 2007-04-02  Eric Christopher  <echristo@apple.com>
612
613         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
614         limitations on darwin.
615
616 2007-04-02  Anatoly Sokolov <aesok@post.ru>
617
618         PR target/31137
619         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
620
621 2007-04-02  Dave Korn  <dave.korn@artimi.com>
622
623         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
624
625 2007-04-02  Dave Korn  <dave.korn@artimi.com>
626
627         * libgcc2.h (exception_descriptor): Don't forward-declare.
628         (__get_eh_table_language, __get_eh_table_version): Delete
629         prototypes of long-dead functions.
630
631 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
632
633         * ebitmap.h: New file
634         * ebitmap.c: New file
635         * Makefile.in (ebitmap.o): New target.
636
637 2007-04-01  Jan Hubicka  <jh@suse.cz>
638
639         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
640         before very first instruction.
641
642 2007-04-01  Jan Hubicka  <jh@suse.cz>
643
644         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
645         waring on 64bit hosts.
646         * bitmap.h: Fix typo in bitmap_head_def.
647
648 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
649
650         PR rtl-optimization/31391
651         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
652         into a DELETED_LABEL note, and the label is in an empty basic
653         block, update BB_END as well as BB_HEAD.
654
655 2007-04-01  Richard Henderson  <rth@redhat.com>
656
657         PR tree-optimization/31169
658         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
659         to varying if the range is outside [0,  prec-1].
660
661 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
662
663         PR target/31388
664         * config/mips/mips.md (load_const_gp): New insn.
665         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
666         the MIPS16 GP pseudo register if no_new_pseudos.
667         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
668
669 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
670
671         PR target/31364
672         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
673         secureplt.
674         (call_value): Likewise.
675
676 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
677             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
678
679         PR 14737
680         * doc/invoke.texi: (optimization options): Reword description
681         of -ffast-math. Document its primary purpose.
682
683 2007-03-31  Richard Guenther  <rguenther@suse.de>
684
685         * omp-low.c (splay-tree.h): Include.
686         (lookup_decl): Replace splay-tree usage by pointer-map.
687         (maybe_lookup_decl): Likewise.
688         (new_omp_context): Likewise.
689         (delete_omp_context): Likewise.
690         * gimplify.c (splay-tree.h): Include.
691         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
692         pointer-map.
693         (remap_ssa_name): Likewise.
694         (remap_decl): Likewise.
695         (remap_type_1): Likewise.
696         (remap_type): Likewise.
697         (copy_body_r): Likewise.
698         (expand_call_inline): Likewise.
699         (clone_body): Likewise.
700         (copy_tree_r): Likewise.
701         (remap_save_expr): Likewise.
702         (unsave_r): Likewise.
703         (unsave_expr_now): Likewise.
704         (tree_function_versioning): Likewise.
705         (build_duplicate_type): Likewise.
706         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
707         (struct copy_body_data): Replace splay-tree by pointer-map.
708         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
709         not $(SPLAY_TREE_H).
710         (gimplify.o): Depend on $(SPLAY_TREE_H).
711         (omp-low.p): Likewise.
712
713 2007-03-31  Anatoly Sokolov <aesok@post.ru>
714
715         * config/avr/predicates.md (even_register_operand,
716         odd_register_operand): New predicates.
717         * config/avr/avr.md (movw peephole2): New.
718         (movw_r peephole2): New.
719
720 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
721
722         * tree.h (get_signed_or_unsigned_type): New.
723         * fold-const.c (operand_equal_for_comparison_p): Use
724         get_signed_or_unsigned_type instead of
725         lang_hooks.types.signed_or_unsigned_type.
726         * expr.c (store_expr): Ditto.
727         * langhooks.c (get_signed_or_unsigned_type): New.
728         (lhd_signed_or_unsigned_type): New.
729         * langhooks.h (lhd_signed_or_unsigned_type): New.
730         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
731
732 2007-03-30  Richard Henderson  <rth@redhat.com>
733
734         * tree-ssa-loop-ivopts.c: Include target.h.
735         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
736         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
737         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
738         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
739
740 2007-03-30  Richard Henderson  <rth@redhat.com>
741             Kai Tietz  <kai.tietz@onevision.com>
742
743         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
744         default for 64-bit.
745         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
746         (TARGET_64BIT_MS_ABI): New.
747         (DBX_REGISTER_NUMBER): Handle 64-bit.
748         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
749         (LONG_TYPE_SIZE): Force to 32.
750         (REG_PARM_STACK_SPACE): New.
751         (OUTGOING_REG_PARM_STACK_SPACE): New.
752         (REGPARM_MAX, SSE_REGPARM_MAX): New.
753         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
754         (STACK_BOUNDARY): Use 128 for 64-bit.
755         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
756         Add 64-bit implementation.
757         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
758         argument unused.
759         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
760         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
761         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
762         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
763         (ix86_handle_cconv_attribute): Don't warn when ignoring if
764         TARGET_64BIT_MS_ABI.
765         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
766         (ix86_pass_by_reference): Likewise.
767         (ix86_function_value_regno_p): Likewise.
768         (ix86_build_builtin_va_list): Likewise.
769         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
770         (function_arg_advance_ms_64): New.
771         (function_arg_advance): Call it.
772         (function_arg_ms_64): New.
773         (function_arg): Call it.
774         (function_value_ms_64): New.
775         (ix86_function_value_1): Call it.
776         (return_in_memory_ms_64): New.
777         (ix86_return_in_memory): Call it.
778         (setup_incoming_varargs_ms_64): New.
779         (ix86_setup_incoming_varargs): Call it.
780         (ix86_expand_prologue): Handle 64-bit stack probing.
781         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
782         (output_pic_addr_const): Likewise.
783         (x86_this_parameter): Likewise.
784         (x86_output_mi_thunk): Likewise.
785         (x86_function_profiler): Likewise.
786         (TARGET_STRICT_ARGUMENT_NAMING): New.
787         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
788         (TARGET_64BIT_MS_ABI): New.
789         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
790         * config/i386/i386.md (allocate_stack_worker): Remove.
791         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
792         describe the clobber of eax without a match_scratch.
793         (allocate_stack_worker_postreload): Remove.
794         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
795         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
796         (allocate_stack_worker_rex64_postreload): Remove.
797         (allocate_stack): Handle 64-bit.
798         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
799         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
800         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
801         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
802         (STANDARD_STARTFILE_PREFIX_1): Likewise.
803         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
804         * config.build (x86_64-*-mingw*): New host.
805         * config.host (x86_64-*-mingw*): New host.
806         * config.gcc (x86_64-*-mingw*): New target.
807         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
808
809 2007-03-30  Richard Henderson  <rth@redhat.com>
810             Kai Tietz  <kai.tietz@onevision.com>
811
812         * c-pragma.c (struct def_pragma_macro_value): New.
813         (struct def_pragma_macro): New.
814         (pushed_macro_table): New.
815         (dpm_hash, dpm_eq): New.
816         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
817         (init_pragma): Install them.
818         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
819
820 2007-03-30  Anatoly Sokolov <aesok@post.ru>
821
822         * config/avr/avr.c (avr_override_options): Clear
823         'flag_delete_null_pointer_checks'.
824
825 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
826
827         PR c++/26099
828         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
829         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
830         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
831         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
832         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
833         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
834         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
835         C++ extensions.
836         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
837
838 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
839
840         * regmove.c: Move all of pass_stack_adjustments from here...
841         * combine-stack-adj.c: ...to this new file.
842         * Makefile.in: Add rules for combine-stack-adj.o.
843
844 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
845
846         PR tree-optimization/31383
847         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
848         to have the same length.
849
850 2007-03-30  Jan Hubicka  <jh@suse.cz>
851
852         PR middle-end/30700
853         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
854         availablility; add more sanity checking; ask varpool only about
855         VAR_DECL.
856
857 2007-03-29  Richard Henderson  <rth@redhat.com>
858
859         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
860         to decide, but __SIZEOF_LONG_LONG__.
861
862 2007-03-29  Richard Henderson  <rth@redhat.com>
863
864         * emutls.c (struct __emutls_array): New.
865         (emutls_destroy): Use it instead of casting element 0 from void*.
866         (__emutls_get_address): Likewise.
867
868 2007-03-29  Richard Henderson  <rth@redhat.com>
869
870         * varasm.c (initializer_constant_valid_p): Don't deny
871         DECL_DLLIMPORT_P on functions.
872
873         * config/i386/cygming.h: Remove function declarations.
874         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
875         (ASM_OUTPUT_LABELREF): Remove.
876         (COMMON_ASM_OP): Remove.
877         (ASM_OUTPUT_COMMON): Remove.
878         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
879         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
880         (ASM_DECLARE_FUNCTION_NAME): Likewise.
881         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
882         Rename from TARGET_ENCODE_SECTION_INFO.
883         * config/i386/netware.h: Likewise.
884         * config/i386/i386-protos.h: Update.
885         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
886         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
887         (legitimate_constant_p): Reject dllimports.
888         (dllimport_map, get_dllimport_decl): New.
889         (legitimize_dllimport_symbol): New.
890         (legitimize_address, ix86_expand_move): Use it.
891         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
892         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
893         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
894         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
895         * config/i386/predicates.md (constant_call_address_operand): Only
896         accept symbols; reject dllimport_p symbols.
897         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
898         i386_pe_maybe_record_exported_symbol.
899         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
900         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
901         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
902         trust the setting of DECL_DLLIMPORT_P.
903         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
904         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
905         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
906         tidy the argument scanning loop.
907         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
908         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
909         (i386_pe_strip_name_encoding): Remove.
910         (i386_pe_binds_local_p): New.
911         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
912         (i386_pe_output_labelref): Remove.
913         (i386_pe_asm_output_aligned_decl_common): New.
914         (i386_pe_maybe_record_exported_symbol): Rename from
915         i386_pe_record_exported_symbol; check for dllexported symbols.
916
917 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
918
919         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
920         add comment explaining why vsnprintf cannot be used.
921
922 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
923
924         PR tree-optimization/30666
925         * tree.c (build_complex_type): When creating type names for DWARF2
926         debug info, create TYPE_DECLs for TYPE_NAME instead of
927         IDENTIFIER_NODEs.
928         (build_common_tree_nodes_2): Use build_complex_type when building
929         predefined complex types, to preserve canonical types.
930
931 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
932
933         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
934         (noce_get_alt_condition): Look at it to determine whether to
935         reverse the condition or not.
936         (noce_get_condition): Substitute the truth for lies.
937         (noce_find_if_block): Set the then_else_reversed field.
938
939 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
940
941         * config/fr30/fr30.md (movdi): Do not accept immediates as the
942         destination of this insn.
943         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
944         than calling gen_rtx_SET directly.  Use r0 to hold the value of
945         'address + 4' rather than a stack based temporary which can be
946         mis-optimized away.
947
948 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
949
950         * config/s390/s390.c (s390_secondary_input_reload_class,
951         s390_secondary_output_reload_class): Functions removed.
952         (s390_secondary_reload): New function.
953         (TARGET_SECONDARY_RELOAD): Target macro defined.
954         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
955         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
956         * config/s390/s390.md ("reload_outti", "reload_outdi",
957         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
958         "reload_out<mode>"): Expanders removed.
959         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
960         "reload<mode>_nonoffmem_out"): Expanders added.
961
962 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
963
964         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
965         SRC->DEST replacement failed anyway.
966
967 2007-03-28  Mike Stump  <mrs@apple.com>
968
969         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
970         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
971         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
972
973 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
974
975         * config.gcc: Accept barcelona as a variant of amdfam10.
976         * config/i386/i386.c (override_options): Likewise.
977         * doc/invoke.texi: Likewise.
978
979 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
980
981         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
982         offsets for BIT_FIELD_REF and COMPONENT_REF.
983
984 2007-03-28  Richard Guenther  <rguenther@suse.de>
985
986         * tree.c (is_global_var): Move ...
987         * tree-flow-inline.h (is_global_var): ... here.
988         * tree.h (is_global_var): Remove declaration.
989
990 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
991
992         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
993         option.
994         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
995         * config/i386/i386.c (ix86_tune_features): Initialize new
996         tuning option.
997         * config/i386/predicates.md (promotable_binary_operator): Use
998         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
999
1000 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1001
1002         PR target/31380
1003         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1004
1005 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1006
1007         * config/fr30/fr30.md (movsi_internal): Change destination
1008         constraint from m to V and add m to the end.
1009
1010 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1011
1012         * config/sh/sh.md (movsi_i): Fix type attribute.
1013
1014 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1015
1016         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1017         (movsf_ie): Likewise.
1018
1019 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1020
1021         * config.gcc: Add sh4-300 to multilib.
1022         * config/sh/t-mlib-sh4-300: New file.
1023
1024 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1025
1026         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
1027         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
1028         fix_trunc<mode>di2.
1029         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
1030         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
1031         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
1032         "fixuns_trunctddi2"): Whitespace fix.
1033
1034 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1035
1036         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
1037         the definition of struct sh_args.
1038         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
1039         CALL_COOKIE_INT_REG_GET): Likewise.
1040
1041 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
1042
1043         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
1044         transformations are applied successfully.
1045
1046 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
1047
1048         * tree.c (tree_contains_struct): Permit 512 tree codes.
1049         * tree.h (tree_contains_struct): Ditto.
1050         (MAX_TREE_CODES): Ditto.
1051         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1052         SPARE member to store remaining padding bits.
1053
1054 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1055
1056         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1057         architecture.
1058
1059 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1060
1061         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1062         * configure: Regenerate.
1063
1064         * configure: Regenerate using the correct version of autoconf.
1065
1066 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1067
1068         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1069         pointer regs.
1070         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
1071         regs to "__SP_L__" and "__SP_H__".
1072
1073 2007-03-27  Richard Guenther  <rguenther@suse.de>
1074
1075         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
1076         computations with it with a HOST_WIDE_INT variable.
1077
1078 2007-03-26  Mike Stump  <mrs@apple.com>
1079
1080         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
1081         objective-c-header, objective-c++-header and objc++-cpp-output
1082         support.
1083         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1084
1085 2007-03-26  Richard Henderson  <rth@redhat.com>
1086
1087         PR target/31361
1088         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
1089         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
1090         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
1091         IX86_BUILTIN_PSRLQ128): New.
1092         (ix86_init_mmx_sse_builtins): Add them.
1093         (ix86_expand_builtin): Expand them.
1094         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1095         operand 2 be TImode.
1096         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
1097         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
1098         _mm_srli_epi64): Mark __B const.
1099         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1100         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1101         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1102         new two-vector shift builtins.
1103
1104 2007-03-26  Ian Lance Taylor  <iant@google.com>
1105
1106         PR tree-optimization/31345
1107         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1108         [+INF, +INF(OVF)] into VARYING.
1109
1110 2007-03-26  Zack Weinberg  <zackw@panix.com>
1111
1112         * gengtype-parse.c: New file.
1113         * gengtype-yacc.y: Delete.
1114         * gengtype-lex.l: Don't include gengtype-yacc.h.
1115         Define YY_DECL and yyterminate appropriately for recursive
1116         descent parser.  yylval is now a string out-parameter to yylex.
1117         (HWS, EOID): New shorthand.
1118         (IWORD): Add a couple more types.
1119         (yylex): Add a setup stanza.  Remove the complex rules for
1120         detecting GTY'ed types and typedefs; replace with simple
1121         keyword detectors.  Adjust everything for the changed
1122         definition of yylval.  Ignore all pp-directives, not just #define.
1123         (yyerror): Delete.
1124         (parse_file): Rename yybegin; do not call yyparse.
1125         (yyend): New.
1126         * gengtype.c (xasprintf): Export again.
1127         (this_file): New.  Use everywhere __FILE__ was being used.
1128         (get_lang_bitmap): Special case types defined in gengtype.c.
1129         (do_typedef, new_structure): Suppress definition of certain types.
1130         (new_structure): Improve diagnostics of duplicate definitions.
1131         Make sure location_s is associated with input.h.
1132         (nreverse_pairs, define_location_structures): New functions.
1133         (main): Improve tagging of kludge types.  Remove old kludges
1134         for input.h types; use define_location_structures.
1135         * gengtype.h: Update prototypes.  Define token codes here.
1136         * Makefile.in: Remove all references to gengtype-yacc.
1137         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
1138         and gengtype.
1139         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
1140         add GTY((skip)) to the field that's only conditionally there.
1141         * doc/install.texi: Document that Bison is no longer required
1142         unless building treelang.
1143
1144         * gengtype.c: Don't include gtyp-gen.h.
1145         (srcdir): Declare here.
1146         (base_files, lang_dir_names): Allocate dynamically.
1147         (gt_files, num_gt_files, num_lang_dirs): New globals.
1148         (measure_input_list, read_input_line, read_input_list)
1149         (set_lang_bitmap): New functions.
1150         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
1151         simplify, relying on read_input_list to set up the bitmaps.
1152         (main): Arguments are no longer unused.  Check for correct number
1153         of command line arguments, set srcdir and srcdir_len, then call
1154         read_input_list, before doing anything else.  No need to worry
1155         about duplicates in main loop.
1156         * configure.ac: Simplify the calculation of all_gtfiles.
1157         Put language tags in there.  Don't set or substitute
1158         all_gtfiles_files_langs or all_gtfiles_files_frags.
1159         * Makefile.in: Revamp the way gengtype is invoked, now that it
1160         takes a file on its command line with a much simpler format.
1161         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
1162         (GTFILES): Remove duplicates and C source files.
1163         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
1164         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
1165         * configure: Regenerate.
1166
1167         * gengtype.h: Remove all type definitions to gengtype.c; leave
1168         only definitions of options_p, type_p, and pair_p as opaque
1169         pointers.  Update prototypes.
1170         * gengtype.c: Many type definitions moved here from gengtype.h.
1171         Consolidate type definitions at the top of the file.
1172         (xvasprintf): Delete.
1173         (xasprintf): Make static.
1174         (create_nested_pointer_option): Add 'next' parameter.
1175         (create_field_all, create_field_at): New functions.
1176         (create_field): Now a thin wrapper around create_field_all.
1177         (create_optional_field): Rename create_optional_field_ and add
1178         line argument.  Original name is now a macro which supplies
1179         __LINE__.
1180         (oprintf): Use vsnprintf directly.
1181         (close_output_files): Use fatal rather than perror/exit.
1182         (note_def_vec, note_def_vec_alloc): Use create_field_at.
1183         (main): Set progname.  Don't use exit.
1184         * gengtype-yacc.y (struct_fields): Use create_field_at.
1185         (option, optionseqopt): Delete.
1186         (optionseq): Consolidate productions from option here so we
1187         can use the first argument to create_option.
1188
1189         * gengtype-lex.l: Distinguish unions from structures in the
1190         token type.  Don't call find_structure; return the tag as a string.
1191         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
1192         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
1193         Reorganize typedef_struct production accordingly.
1194         Use create_nested_ptr_option.
1195         * gengtype.c (create_nested_ptr_option): New function.
1196         * gengtype.h: Declare it.
1197
1198         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
1199         (string_type): Don't declare.
1200         (do_scalar_typedef): Declare.
1201         (create_scalar_type): Update prototype.
1202         * gengtype.c (string_type): Make static.
1203         (scalar_nonchar, scalar_char): New.
1204         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
1205         (resolve_typedef): Use scalar_nonchar for error recovery.
1206         (create_scalar_type): Remove name_len field.  Return scalar_char
1207         or scalar_nonchar as appropriate.
1208         (adjust_field_type): Look at scalar_is_char boolean to decide whether
1209         to use string_type.
1210         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
1211         whenever possible.
1212         (main): Initialize scalar_char and scalar_nonchar before calling
1213         gen_rtx_next.
1214         * gengtype-lex.l: Adjust for removal of second argument to
1215         create_scalar_type.  Use yylval.s instead of yylval.t when
1216         returning SCALAR.
1217         * gengtype-yacc.y: Type of SCALAR is string.  Call
1218         create_scalar_type from type:SCALAR rule.  Adjust for removal of
1219         second argument to create_scalar_type.
1220
1221         * vec.h: Remove all #if IN_GENGTYPE blocks.
1222         Add comment saying that changes may require adjustments to gengtype.
1223         * gengtype.c: Don't include coretypes.h or tm.h.
1224         Add comment to inclusion of errors.h.
1225         (note_def_vec, note_def_vec_alloc): New functions.
1226         * gengtype.h: Declare new functions.
1227         * gengtype-lex.l: Don't include coretypes.h.
1228         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
1229         Delete.
1230         (update_lineno): Remove unnecessary prototype.
1231         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
1232         (VEC rule): Just return VEC_TOKEN.
1233         * gengtype-yacc.y (VEC_TOKEN): New token type.
1234         (type): Add a production for VEC(a,b).
1235         * Makefile.in: Update dependencies.
1236
1237         * gengtype-lex.l: Remove rules for parsing pointer-to-function
1238         typedefs that use the old PARAMS macro.
1239
1240         * gengtype-lex.l: Remove all rules and states relating to yacc
1241         input files.
1242         * gengtype-yacc.y: Similarly.
1243         * gengtype.c (note_yacc_type): Delete function.
1244         * gengtype.h: Update prototypes.
1245
1246 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
1247
1248         * tree-pretty-print.c (dump_generic_node): Report precision of
1249         unnamed integer types.
1250
1251 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
1252
1253         * ifcvt.c (noce_try_store_flag_constants): Don't check
1254         no_new_pseudos here.
1255         (noce_try_store_flag_constants): Don't check no_new_pseudos.
1256         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
1257         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
1258         noce_try_sign_mask): Likewise.
1259         (if_convert): Check no_new_pseudos here.
1260
1261         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
1262         Remove prototypes.
1263         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
1264         (noce_get_condition): Handle new then_else_reversed argument.
1265         (noce_init_if_info): Remove, fold into noce_find_if_block.
1266         (noce_process_if_block): Take a struct noce_if_info as the
1267         argument.  Don't set up one based on ce_if_info.  Update pointer
1268         references accordingly.
1269         (cond_move_process_if_block): Likewise.
1270         (process_if_block): Removed.
1271         (find_if_block): Removed.  Move functionality two new functions,
1272         noce_find_if_block and cond_exec_find_if_block.
1273         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
1274         blocks and the symmetric IF-ELSE-JOIN case.
1275         (cond_exec_find_if_block): Also new function mostly based on old
1276         find_if_block and process_if_block.
1277         (find_if_header): Replace find_if_block call with separately
1278         guarded calls to noce_find_if_block and cond_exec_find_if_block.
1279         (find_cond_trap): Update noce_get_condition call.
1280         (dead_or_predicable): Likewise.
1281
1282 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
1283
1284         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
1285         Remove.
1286         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
1287         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
1288         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
1289         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
1290         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
1291         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
1292         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
1293         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
1294         __builtin_ia32_psrad128 builtins.
1295
1296 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
1297
1298         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
1299         * config/i386/constraints.md
1300         (define_constraint "I"): Use IN_RANGE macro.
1301         (define_constraint "J"): Ditto.
1302         (define_constraint "K"): Ditto.
1303         (define_constraint "M"): Ditto.
1304         (define_constraint "N"): Ditto.
1305         (define_constraint "O"): Ditto.
1306         * config/i386/predicates.md
1307         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
1308         (define_predicate "const_0_to_3_operand"): Ditto.
1309         (define_predicate "const_0_to_7_operand"): Ditto.
1310         (define_predicate "const_0_to_15_operand"): Ditto.
1311         (define_predicate "const_0_to_63_operand"): Ditto.
1312         (define_predicate "const_0_to_255_operand"): Ditto.
1313         (define_predicate "const_1_to_31_operand"): Ditto.
1314         (define_predicate "const_2_to_3_operand"): Ditto.
1315         (define_predicate "const_4_to_7_operand"): Ditto.
1316
1317 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1318
1319         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
1320         in SImode for save_world.
1321         * config/rs6000/altivec.md (save_world, restore_world): Convert to
1322         LR hard reg.
1323
1324 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
1325
1326         PR tree-optimization/30784
1327         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
1328         BIT_FIELD_REF.
1329
1330 2007-03-25  Revital Eres  <eres@il.ibm.com>
1331
1332         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
1333           Fold movement_possibility function into it.
1334
1335 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1336
1337         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
1338         (load_macho_picbase_{si,di}): Convert to LR hard reg.
1339         (call_indirect_nonlocal_darwin64): Same.
1340         (call_nonlocal_darwin64): Same.
1341         (call_value_indirect_nonlocal_darwin64): Same.
1342         (call_value_nonlocal_darwin64): Same.
1343         (sibcall_nonlocal_darwin64): Same.
1344         (sibcall_value_nonlocal_darwin64): Same.
1345         (sibcall_symbolic_64): Same.
1346         (sibcall_value_symbolic_64): Same.
1347         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
1348         LR pseudo.
1349         (rs6000_emit_load_toc_table): Same.
1350         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
1351         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
1352         (mull_call): Same.
1353         (divss_call): Same.
1354         (divus_call): Same.
1355         (quoss_call): Same.
1356         (quous_call): Same.
1357         (load_toc_v4_pic_si): Same
1358         (load_toc_v4_PIC_1): Same.
1359         (load_toc_v4_PIC_1b): Same.
1360         (call_indirect_aix{32,64}): Same.
1361         (call_value_indirect_aix{32,64}): Same.
1362         (call): Same.
1363         (call_value): Same.
1364         (call_local{32,64}): Same.
1365         (call_value_local{32,64}): Same.
1366         (call_indirect_nonlocal_aix{32,64}): Same.
1367         (call_nonlocal_aix{32,64}): Same.
1368         (call_value_indirect_nonlocal_aix{32,64}): Same.
1369         (call_value_nonlocal_aix{32,64}): Same.
1370         (call_indirect_nonlocal_sysv<mode>): Same.
1371         (call_nonlocal_sysv<mode>): Same.
1372         (call_value_indirect_nonlocal_sysv<mode>): Same.
1373         (call_value_nonlocal_sysv<mode>): Same.
1374         (sibcall): Same.
1375         (sibcall_local{32,64}): Same.
1376         (sibcall_value_local{32,64}): Same.
1377         (sibcall_nonlocal_aix{32,64}): Same.
1378         (sibcall_value_nonlocal_aix{32,64}): Same.
1379         (sibcall_nonlocal_sysv<mode>): Same.
1380         (sibcall_value): Same.
1381         (sibcall_value_nonlocal_sysv<mode>): Same.
1382
1383 2007-03-24  Paul Brook  <paul@codesourcery.com>
1384
1385         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
1386         * config/arm/linux-eabi.h: Remove legacy syscall hack.
1387
1388 2007-03-24  Richard Henderson  <rth@redhat.com>
1389
1390         * config/ia64/constraints.md: New file.
1391         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
1392         satisfies_constraint_?.
1393         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
1394         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
1395         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
1396         ia64_output_mi_thunk): Likewise.
1397         (ia64_const_ok_for_letter_p): Remove.
1398         (ia64_const_double_ok_for_letter_p): Remove.
1399         (ia64_extra_constraint): Remove.
1400         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
1401         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
1402         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
1403         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
1404         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
1405         EXTRA_MEMORY_CONSTRAINT): Remove.
1406         * config/ia64/ia64.md: Include constriants.md.  Replace
1407         CONST_OK_FOR_? with satisfies_constraint_?.
1408
1409 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
1410             H.J. Lu  <hongjiu.lu@intel.com>
1411
1412         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
1413         DPD or BID name.
1414         (name macros): Use DPD_BID_NAME to convert names properly.
1415
1416         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
1417         decimal floating point format.
1418         (init_floating_libfuncs): Change decimal functions so that they
1419         have a "bid_" prefix if the decimal system uses the BID format,
1420         and "dpd_" prefix if the decimal system uses the DPD format.
1421         (init_interclass_conv_libfuncs): Ditto.
1422         (init_intraclass_conv_libfuncs): Ditto.
1423
1424         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1425         using the BID format.
1426
1427         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1428         whether we are using the BID decimal format.
1429         * configure: Regenerate.
1430
1431         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1432         the compiler has decimal floating point enabled.  Define
1433         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1434         instead of DPD.
1435
1436         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1437         using the BID format.
1438
1439         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1440         whether we are using the BID decimal format.
1441         * configure: Regenerate.
1442
1443         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1444         the compiler has decimal floating point enabled.  Define
1445         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1446         instead of DPD.
1447
1448         * doc/install.texi (--enable-decimal-float): Document BID and DPD
1449         options, and that it is enabled for i386/x86_64 systems.
1450
1451         * Makefile.in (enable_decimal_float): New.
1452         (DECNUMFMT): New.
1453         (DECNUMINC): Add  -I$(DECNUMFMT).
1454         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
1455         to $(DECNUMFMT) from $(DECNUM).
1456
1457         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
1458         Substitute enable_decimal_float.
1459         * configure: Regenerated.
1460
1461         PR other/30529
1462         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
1463         unsigned long.
1464
1465         * configure.ac: Enable decimal float for x86_64-*-linux*.
1466         * configure: Regenerated.
1467
1468         PR other/30530
1469         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
1470         decimal128ClearSign to flip and clear the sign bit in decimal128.
1471         (decimal_real_maxval): Set decimal128SetSign to set the sign
1472         bit in decimal128.
1473
1474 2007-03-23  Ian Lance Taylor  <iant@google.com>
1475
1476         * fold-const.c (fold_binary): Correct warning for X - c >= X.
1477
1478 2007-03-23  Ian Lance Taylor  <iant@google.com>
1479
1480         * tree-dump.c (dump_files): Correct comment.
1481
1482 2007-03-23  Ian Lance Taylor  <iant@google.com>
1483
1484         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
1485
1486 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
1487
1488         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
1489         in cfglayout mode.  Don't go into and out of cfglayout mode.
1490         Link the blocks in the order of the constructed traces.
1491         (rest_of_handle_tracer): Adjust call to tracer.
1492         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
1493         Don't go into cfglayout mode.
1494         (rtl_loop_done): Don't go out of cfglayout mode.
1495         * cfglayout.c (relink_block_chain): New function, split out from...
1496         (fixup_reorder_chain): ...here.  Remove redundant checking.
1497         (cfg_layout_finalize): Don't clear the header, footer, and aux
1498         fields here, move the code to do so to relink_block_chain.  Likewise
1499         for free_original_copy_tables.
1500         * rtl.h (tracer): Update prototype.
1501         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
1502         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
1503         mode.  Use relink_block_chain to serialize the CFG according to the
1504         new basic block order.  Move targetm.cannot_modify_jumps_p check from
1505         here...
1506         (gate_handle_reorder_blocks): ...to here.
1507         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
1508         from here...
1509         (gate_duplicate_computed_gotos): ...to here.
1510         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
1511         something always changes when going into and out of cfglayout mode.
1512         Perform an expensive cfg cleanup while going into cfglayout mode.
1513         Always update liveness information on HAVE_conditional_execution
1514         targets.  Reserialize the basic blocks and go out of cfglayout mode.
1515         * reg-stack.c: Include cfglayout.h.
1516         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
1517         the call to reorder_basic_blocks.
1518         * basic-block.h (reorder_basic_blocks): Update prototype.
1519         (relink_block_chain): New prototype.
1520         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1521
1522 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1523
1524         * config/mips/mips.md (type, hazard, *movdi_32bit,
1525         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1526         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1527         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1528         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1529         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1530         applicable.
1531         (movcc): Change first xfer to multi.
1532         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1533         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1534         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1535         config/mips/generic.md: Change reservations using "xfer" to use
1536         "mfc,mtc".
1537         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1538         using match_operand.
1539         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1540         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1541         examining mode.
1542         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1543
1544 2007-03-22  Richard Henderson  <rth@redhat.com>
1545
1546         * config/i386/i386.c: Remove unnecessary function declarations.
1547         Move targetm definition, and all related macros, to the end of
1548         the file.  Resort some functions to put definitions before uses.
1549         (ix86_attribute_table): Make static.  Move to end of file.
1550         (ix86_gimplify_va_arg): Make static.
1551
1552 2007-03-22  Richard Henderson  <rth@redhat.com>
1553
1554         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1555         don't increase local_regparm with force_align_arg_pointer check.
1556         (ix86_function_sseregparm): Assert 32-bit.
1557         (type_has_variadic_args_p): New.
1558         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1559         type_has_variadic_args_p.
1560         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1561         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1562         use memset instead.  Do maybe_vaarg check first; skip attribute
1563         tests if true; skip attribute tests for 64-bit.
1564         (construct_container): Remove TARGET_DEBUG_ARG.
1565         (function_arg_advance_32, function_arg_advance_64): Split out ...
1566         (function_arg_advance): ... from here.
1567         (function_arg_32, function_arg_64): Split out ...
1568         (function_arg): ... from here.
1569         (ix86_pass_by_reference): Tidy.
1570         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1571         (function_value_32): New, from parts of ix86_function_value
1572         and ix86_value_regno.
1573         (function_value_64): New, from parts of ix86_function_value
1574         and ix86_libcall_value.
1575         (ix86_function_value_1): New.
1576         (ix86_function_value, ix86_libcall_value): Use it.
1577         (return_in_memory_32, return_in_memory_64): Split out ...
1578         (ix86_return_in_memory): ... from here.
1579         (ix86_struct_value_rtx): Skip for 64-bit.
1580         (ix86_libcall_value, ix86_value_regno): Remove.
1581         (setup_incoming_varargs_64): Split out ...
1582         (ix86_setup_incoming_varargs): ... from here.
1583         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1584         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1585         * config/i386/i386-protos.h (ix86_function_value): Remove.
1586         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1587
1588 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1589
1590         PR other/23572
1591         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1592         infinities not supported, otherwise emit warning if -Woverflow. On
1593         underflow, emit warning if -Woverflow.
1594         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1595         and 0 otherwise.
1596         * real.h (real_from_string): Update declaration
1597
1598 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1599             Richard Henderson  <rth@redhat.com>
1600
1601         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1602         * calls.c (compute_argument_block_size, expand_call,
1603         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1604         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1605         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1606         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1607         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1608         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1609         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1610         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1611         Set to 1.
1612
1613 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1614
1615         * c-incpath.c (add_sysroot_to_chain): New.
1616         (merge_include_chains): Add sysroot argument.  Call
1617         add_sysroot_to_chain if sysrooted.
1618         (register_include_chains): Update call to merge_include_chains.
1619         * doc/cppopts.texi: Document use of '=' in include directory
1620         arguments.
1621
1622 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1623
1624         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1625         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1626         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1627         insn pattern using X87MODEF12 mode macro.
1628
1629 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1630
1631         * regmove.c (regmove_optimize): Use reg_mentioned_p
1632         instead of reg_overlap_mentioned_p for DST.
1633
1634 2007-03-21  Mike Stump  <mrs@apple.com>
1635
1636         * c.opt: Fixup for Objective-C/C++.
1637
1638 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1639
1640         * explow.c (convert_memory_address): Fold memory reference when
1641         POINTERS_EXTEND_UNSIGNED < 0
1642
1643 2007-03-21  Richard Henderson  <rth@redhat.com>
1644
1645         PR target/31245
1646         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1647         * config/i386/mmintrin.h (__m64): Likewise.
1648         * config/i386/xmmintrin.h (__m128): Likewise.
1649
1650 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1651
1652         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
1653         (VXWORKS_OS_CPP_BUILTINS): Define.
1654         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
1655         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
1656
1657 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1658
1659         * rtl.h (constant_pool_reference_p): Delete.
1660         (find_constant_src): Declare.
1661         * rtlanal.c (find_constant_src): New function.
1662         * simplify-rtx.c (constant_pool_reference_p): Delete.
1663         * config/i386/i386.md: Use find_constant_src instead of
1664         constant_pool_reference_p/avoid_constant_pool_reference pairs.
1665
1666 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1667
1668         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
1669         * c-cppbuiltin.c (c_cpp_builtins): Define them.
1670
1671 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
1672
1673         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
1674         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
1675         (arm_elf_asm_constructor): Use it.
1676         (arm_elf_asm_destructor): New function.
1677
1678 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1679
1680         * jump.c (mark_jump_label): Treat SEQUENCE specially.
1681
1682 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
1683
1684         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
1685
1686 2007-03-19  Andrew Haley  <aph@redhat.com>
1687
1688         PR tree-optimization/31264
1689         * tree-vrp.c (register_edge_assert_for_1): Don't look though
1690         VIEW_CONVERT_EXPRs.
1691
1692 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
1693
1694         PR rtl-optimization/30907
1695         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
1696         (fwprop_init): Always call loop_optimizer_initialize.
1697         (fwprop_done): Always call loop_optimizer_finalize.
1698         (fwprop): We always have loop info now.
1699         (gate_fwprop_addr): Remove.
1700         (pass_fwprop_addr): Use gate_fwprop as gate.
1701
1702         PR rtl-optimization/30841
1703         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
1704         df_chain_alloc): Call df_reorganize_refs unconditionally.
1705         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
1706         refs_organized to refs_organized_size.
1707         (df_ref_create_structure): Use refs_organized_size instead of
1708         bitmap_size if refs had been organized, and keep refs_organized_size
1709         up-to-date.
1710         * df.h (struct df_ref_info): Change refs_organized to
1711         refs_organized_size.
1712         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
1713         bitmap_size.
1714
1715 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
1716
1717         * except.c (output_function_exception_table): Do not reference the
1718         EH personality routine for functions that do not require an
1719         exception table.
1720
1721 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
1722
1723         PR c/30762
1724         * c-typeck.c (convert_for_assignment): Call comptypes for
1725         RECORD_TYPE or UNION_TYPE.
1726
1727         PR inline-asm/30505
1728         * reload1.c (reload): Do invalid ASM checking after
1729         cleanup_subreg_operands.
1730
1731 2007-03-19  Jeff Law  <law@redhat.com>
1732
1733         * tree-cfg.c (find_taken_edge): Tighten conditions for
1734         optimizing computed gotos.
1735
1736 2007-03-19  Michael Matz  <matz@suse.de>
1737
1738         * builtins.c (expand_builtin_sync_operation,
1739         expand_builtin_compare_and_swap,
1740         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
1741         correctly.
1742
1743         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
1744         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
1745         for operand 3.
1746
1747 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1748
1749         * doc/tm.texi: Add brackets around the return type of
1750         TARGET_SECONDARY_RELOAD.
1751
1752 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1753         Richard Guenther  <rguenther@suse.de>
1754
1755         PR tree-optimization/31254
1756         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1757         Use handled_component_p () where appropriate.  Continue
1758         propagating into the rhs if we propagated into an INDIRECT_REF
1759         on the lhs.
1760
1761 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1762
1763         * config/s390/s390.md (op_type attribute): RRR instruction type added.
1764         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
1765         (xde, xdee): Mode attributes adjusted to support DFP modes.
1766         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
1767         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
1768         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
1769         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
1770         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
1771         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1772         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
1773         numbers.
1774         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
1775         "movsf"): Insn definitions removed.
1776         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
1777         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
1778         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
1779         definitions added.
1780         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
1781         "reload_in<mode>", "reload_out<mode>"): Expander added.
1782         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
1783         Expander removed.
1784
1785 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1786
1787         * config/s390/s390.md: Only non-functional changes.  Renamed
1788         FPR mode macro to BFP all over the file.
1789
1790 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1791
1792         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
1793         (op_type attribute): RRF instruction type added.
1794         (fT0): New mode attribute.
1795         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
1796         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
1797         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
1798         no secondary memory is needed when moving DFmode values between GPRs
1799         and FPRs.
1800
1801 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1802
1803         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
1804         inverted and documentation adjusted.
1805         ("mhard-dfp", "msoft-dfp"): New options.
1806         * config/s390/s390.c (s390_handle_arch_option): New architecture
1807         switch: z9-ec.
1808         (override_options): Sanity checks for the new options added.
1809         * config.gcc: New architecture switch: z9-ec.
1810         * config/s390/s390.h (processor_flags): PF_DFP added.
1811         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
1812         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
1813         when the bit is NOT set so remove it from the defaults.
1814
1815 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1816
1817         * genemit.c (main): Print include statement for dfp.h.
1818         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
1819         is not available.
1820
1821 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1822
1823         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
1824
1825 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1826
1827         PR target/31022
1828         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
1829         instead of PATTERN.
1830
1831 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1832
1833         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
1834         attr_length_call, output_call, output_indirect_call): Cleanup
1835         formatting of targetm calls.
1836
1837 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
1838
1839         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
1840
1841 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1842
1843         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
1844         reservation, bypass and anti-bypass descriptions for these instructions.
1845         Update move patterns.
1846         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
1847         TYPE_FPSTORE.
1848
1849 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
1850
1851         * tree-vect-transform.c (get_initial_def_for_induction): Replace
1852         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
1853         (get_initial_def_for_reduction): Likewise.
1854
1855 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
1856
1857         Fix PR tree-optimization/29922
1858         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
1859         (get_representative): Removed.
1860         (value_dies_in_block_x): Update for rvuse removal.
1861         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
1862         (compute_antic_aux): Handle when PHI nodes appear in
1863         non-single-successors.
1864         (dump_bitmap_of_names): Removed.
1865         (compute_antic_safe): Renamed and removed rvuse calculation.
1866         Calculate only antic safe.
1867         (insert_into_preds_of_block): Remove assert.
1868         (execute_pre): Update for renamed functions.
1869         (defer_or_phi_translate_block): New function.
1870
1871 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1872
1873         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
1874         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
1875         typos.
1876         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
1877         Follow spelling conventions.
1878
1879         * tree-data-ref.h: Remove the prototype for analyze_array.
1880
1881 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
1882
1883         PR tree-optimization/31041
1884         * tree-vect-transform.c (get_initial_def_for_induction): Call
1885         force_gimple_operand.
1886
1887 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
1888
1889         * ipa-type-escape.c (look_for_casts) : Revert code to use
1890         handled_component_p due to ada test a-numaux.adb.
1891
1892 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
1893
1894         * final.c (final_scan_insn): Alter the condition of a
1895         conditional trap if we have nonstandard CC.
1896
1897 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1898
1899         * configure.ac: Remove excess quoting from asm line 0 test.
1900         * configure: Rebuilt.
1901
1902 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1903
1904         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
1905         * c-common.c (convert_and_check): Move warning logic to...
1906         (warnings_for_convert_and_check): ...here. Define.
1907         * c-common.h (warnings_for_convert_and_check): Declare.
1908
1909 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1910
1911         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1912         (output_call): Likewise.
1913
1914 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1915
1916         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
1917
1918 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
1919
1920         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
1921
1922 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
1923
1924         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
1925         opteron, athlon-64 and athlon-fx processor_alias_table entries.
1926
1927 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
1928
1929         PR tree-optimization/31183
1930         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1931         Use double_int instead of unsigned int for representing access_strides.
1932         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
1933
1934 2007-03-16  Richard Guenther  <rguenther@suse.de>
1935
1936         PR tree-optimization/31146
1937         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
1938         to allow recursion of forward_propagate_addr_expr.
1939         (forward_propagate_addr_into_variable_array_index): Likewise.
1940         (forward_propagate_addr_expr): Likewise.
1941         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1942         (forward_propagate_addr_expr_1): Recurse on simple copies
1943         instead of propagating into them.  Do so for useless conversions
1944         as well.
1945         (forward_propagate_addr_expr): Clean up unused statements after
1946         recursion.
1947
1948 2007-03-16  Richard Guenther  <rguenther@suse.de>
1949
1950         * builtins.c (expand_builtin_cexpi): Use the right argument
1951         for the expansion via cexp.
1952
1953 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1954
1955         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
1956         * configure: Rebuilt.
1957
1958 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1959
1960         PR debug/29906
1961         * dwarf2out.c (force_type_die): Adjust comment.
1962         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
1963
1964 2007-03-15  DJ Delorie  <dj@redhat.com>
1965
1966         * config/frv/predicates.md (minmax_operator): Don't check operands
1967         here.
1968
1969 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1970
1971         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
1972         Update constant estimates of number of iterations.
1973         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
1974         argument renamed to "realistic".
1975         (compute_estimated_nb_iterations): Removed.
1976         (record_niter_bound): New function.
1977         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
1978         call record_nonwrapping_iv with upper = false.
1979         (infer_loop_bounds_from_signedness): Pass upper argument to
1980         record_nonwrapping_iv.
1981         (estimate_numbers_of_iterations_loop): Do not call
1982         compute_estimated_nb_iterations.  Record estimate based on profile
1983         information.  Initialize the constant estimates of number of
1984         iterations.
1985         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
1986         estimates.
1987         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
1988         number of iterations is too small.
1989         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
1990         (EST_NOT_AVAILABLE): Removed.
1991         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
1992         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
1993         fields.
1994
1995 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
1996
1997         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
1998         Handle NE_EXPR guards.
1999
2000 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2001
2002         PR c++/24924
2003         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2004         Set also -pedantic-errors by default for the  preprocessor unless
2005         -fpermissive is given.
2006
2007 2007-03-15  Richard Guenther  <rguenther@suse.de>
2008
2009         PR middle-end/29719
2010         PR middle-end/31161
2011         * builtins.c (expand_builtin_cexpi): As a fallback if we
2012         don't have builtins for sincos or cexp create a function
2013         declaration for cexp and expand to a call to that.
2014         (expand_builtin_int_roundingfn): Always fall
2015         back to floor/ceil and its variants even if they may be
2016         not available.
2017
2018 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2019
2020         PR middle-end/31159
2021         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2022         jump tables, move the call to delete_dead_jumptables from here...
2023         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2024         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2025         don't allow merging of blocks that try_redirect_by_replacing_jump
2026         also does not handle when not optimizing.
2027
2028 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2029             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2030
2031         * config/i386/i386.md (x86_sahf_1): Correctly handle
2032         HAVE_AS_IX86_SAHF.
2033
2034 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2035
2036         PR target/31167
2037         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
2038         x86_64_general_operand as operand[2] predicate.  Remove "iF"
2039         from operand constraints and use "e" constraint instead.
2040         (*subti3_1, *subti3_1 splitter): Ditto.
2041         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
2042         operand[1] predicate.
2043
2044 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
2045
2046         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
2047         arrays, multiply the access strides by the size of the sub-array.
2048         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2049
2050 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2051
2052         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2053         the configured assembler supports the sahf mnemonic.
2054         * configure: Regenerate.
2055         * config.in: Regenerate.
2056
2057         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2058         emit "sahf" or ".byte\t0x9e" as asm template.
2059
2060 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2061
2062         PR 31018
2063         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2064         option to replace hard coded TARGET_xxx in md file.
2065         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2066         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2067         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2068         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2069         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2070         (X86_TUNE_NOT_VECTORMODE): Ditto.
2071         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
2072         (TUNE_AVOID_VECTOR_DECODE): Ditto.
2073         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2074         (TUNE_SLOW_IMUL_IMM8): Ditto.
2075         (TUNE_MOVE_M1_VIA_OR): Ditto.
2076         (TUNE_NOT_UNPAIRABLE): Ditto.
2077         (TUNE_NOT_VECTORMODE): Ditto.
2078
2079         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
2080         options.
2081
2082         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
2083         tuning options instead of hard coded TARGET_xxx.
2084         (fix ssemode peephole2's): Ditto.
2085         (imul peephole2's): Ditto.
2086         (movsi_or): Ditto.
2087         (movdi_or_rex64): Ditto.
2088         (move peephole2): Ditto.
2089         (not peephole2's): Ditto.
2090
2091 2007-03-14  Dirk Mueller  <dmueller@suse.de>
2092
2093         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
2094         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
2095         * c-parser.c (c_parser_if_body): Always add an empty statement in case
2096         of empty body.
2097         * c-parser.c (c_parser_do_statement): Warn about empty body in
2098         do/while statement.
2099         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
2100         * doc/invoke.texi (-Wempty-body): Update documentation.
2101
2102 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2103
2104         PR c/21438
2105         * c-common.h (warn_for_div_by_zero): Declare.
2106         * c-common.c (warn_for_div_by_zero): Define.
2107         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
2108         warning.
2109
2110 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2111
2112         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
2113         to PREFIX and STANDARD_PREFIX.
2114
2115 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2116             Phil Edwards  <phil@codesourcery.com>
2117
2118         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
2119         (__gthread_once_t): Remove busy field for RTPs.
2120         (__GTHREAD_ONCE_INIT): Update accordingly.
2121
2122 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2123
2124         * doc/invoke.texi: Document VxWorks options.
2125
2126 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2127
2128         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
2129
2130 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
2131
2132         PR tree-optimization/30590
2133         * tree-nrv.c (tree_nrv): Check for the partial update of the
2134         return value.
2135
2136 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2137
2138         * flags.h (flag_random_seed): Remove declaration, in favor of...
2139         * toplev.h (get_random_seed, set_random_seed): ... these.
2140         * tree.c (get_file_function_name): Use the former.
2141         * opts.c (common_handle_option): Use the latter.
2142         * toplev.c
2143
2144 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
2145
2146         PR middle-end/31127
2147         * cse.c (cse_find_path): Do not bail out if a basic block that
2148         we already visited now becomes part of a path that starts at a
2149         different basic block.  Just disallow this, to make sure we
2150         visit each basic block at most once.
2151
2152 2007-03-13  Jan Hubicka  <jh@suse.cz>
2153
2154         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
2155         when profile esitmate is present, calls with very low frequency are
2156         cold.
2157
2158 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
2159
2160         PR tree-optimization/30730
2161         PR tree-optimization/26900
2162         * tree-ssa-loop-niter.c: Include gmp.h.
2163         (bounds): New type.
2164         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
2165         split_to_var_and_offset, determine_value_range,
2166         bound_difference_of_offsetted_base, refine_bounds_using_guard,
2167         bound_difference, bounds_add, bounds_negate,
2168         number_of_iterations_ne_max, dump_affine_iv): New functions.
2169         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2170         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
2171         difference of initial and final value of control iv to validate
2172         results.
2173         (number_of_iterations_cond): Add loop parameter.  Determine bounds
2174         on the difference of the extremes of the control iv.  Add dumps.
2175         (expand_simple_operations): Handle phi nodes.
2176         (simplify_using_initial_conditions): Do not record used conditions.
2177         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
2178         Do not set additional_info.
2179         (implies_nonnegative_p, implies_ge_p): Removed.
2180         (derive_constant_upper_bound): Do not use parameter `additional'.
2181         (record_estimate): Parameter `additional' removed.  Parameter
2182         `i_bound' added.  Do not call derive_constant_upper_bound.
2183         (record_nonwrapping_iv): Use derive_constant_upper_bound to
2184         bound the number of iterations estimate.
2185         (estimate_numbers_of_iterations_loop): Pass the estimate from
2186         the number of iterations analysis to record_estimate.
2187         * tree.h (multiple_of_p): Declare.
2188         * tree-scalar-evolution.c (expression_expensive_p): Removed.
2189         (scev_const_prop): Do not check expression_expensive_p.
2190         * fold-const.c (multiple_of_p): Exported.
2191         * double-int.c (double_int_mask): Exported.
2192         * double-int.h (double_int_mask): Declare.
2193         * tree-flow.h (struct tree_niter_desc): Removed additional_info
2194         field.  Added max field.
2195
2196 2007-03-13  David Taylor  <taylor@candd.org>
2197
2198         PR driver/12448:
2199         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
2200         default -MQ.
2201
2202 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2203
2204         PR target/31123
2205         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
2206         two unamed patterns.
2207
2208 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
2209
2210         * config/i386/i386.opt (mcx16, msahf): New options.
2211         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
2212         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
2213
2214         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
2215         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
2216         Output -mcx16 and -msahf options when corresponding bit is set.
2217
2218         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
2219         and -msahf options.
2220
2221 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2222
2223         * configure.ac: Test for assembler tolerance to # 0 "".
2224         * configure, config.in: Rebuilt.
2225         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
2226
2227 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
2228
2229         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
2230
2231         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
2232         (handle_syscall): Handle direct system calls.
2233         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
2234
2235 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2236
2237         * doc/invoke.texi: Fix cpp.info cross-reference.
2238         * doc/passes.texi: Fix gcc.info cross-reference.
2239
2240 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
2241
2242         PR tree-optimization/30835
2243         * lambda-code.c (can_convert_to_perfect_nest): Check whether
2244         bb_for_stmt is not NULL before accessing it.
2245
2246 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
2247
2248         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
2249         some multilibs.
2250
2251 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2252
2253         PR 30635
2254         * doc/install.texi: Document --enable-stage1-languages
2255
2256 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
2257
2258         * tree-pass.h (pass_into_cfg_layout_mode,
2259         pass_outof_cfg_layout_mode): Declare.
2260         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
2261         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
2262         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
2263         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
2264
2265 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
2266
2267         * c-decl.c (warn_variable_length_array): New function.
2268         Refactored from grokdeclarator to handle warn_vla
2269         and handle unnamed array case.
2270         (grokdeclarator): Refactored VLA warning case.
2271         * c.opt (Wvla): New flag.
2272         * doc/invoke.texi (Wvla): New warning.
2273
2274 2007-03-12  Richard Henderson  <rth@redhat.com>
2275
2276         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
2277         (TARGET_SECTION_TYPE_FLAGS): New.
2278
2279 2007-03-12  Richard Henderson  <rth@redhat.com>
2280
2281         * config/darwin.c (machopic_reloc_rw_mask): New.
2282         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
2283         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
2284
2285 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
2286
2287         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
2288         * cppdefault.h (cpp_PREFIX): Document.
2289         (cpp_PREFIX_len): Likewise.
2290         (cpp_EXEC_PREFIX): New variable.
2291         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
2292         * c-incpath.c (add_standard_paths): Correct logic for relocating
2293         paths within prefix.
2294
2295 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
2296
2297         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
2298         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
2299         mode macro.
2300         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
2301         fix_truncdfdi_sse using SSEMODEF mode macro.
2302         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
2303         fix_truncdfsi_sse using SSEMODEF mode macro.
2304         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
2305         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
2306
2307 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
2308
2309         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
2310         elfos.h to tm_file.
2311
2312 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
2313
2314         * tree.h : Add multiple_of_p declaration.
2315         * fold-const.c (multiple_of_p): Make multiple_of_p public.
2316         * ipa-type-escape.c (results_of_malloc): Redundant.
2317         (visited_stmts): New. Visited stmt for walk_use_def_chains.
2318         (cast_type): Extended with new members.
2319         (check_cast): Returns cast_type.
2320         (cast): New structure for data of walk_use_def_chains.
2321         (is_malloc_result, is_cast_from_non_pointer_1,
2322         is_cast_from_non_pointer,
2323         is_array_access_through_pointer_and_index): New functions.
2324         (look_for_casts): Returns cast types.
2325         (check_call): Returns void.
2326         (okay_pointer_operation): Use support of pointer plus index,
2327         pointer plus constant and allow all multiplications.
2328
2329 2007-03-11  Richard Guenther  <rguenther@suse.de>
2330
2331         PR tree-optimization/31115
2332         * tree-vrp.c (extract_range_from_binary_expr): Make sure
2333         the shift count is positive and non-anti-range for RSHIFT_EXPR.
2334         A shift count of zero is not special as with *_DIV_EXPR.
2335         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
2336         direction.
2337
2338 2007-03-11  Ian Lance Taylor  <iant@google.com>
2339
2340         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
2341         the *_DIV_EXPR codes correctly with overflow infinities.
2342
2343 2007-03-11  Ira Rosen  <irar@il.ibm.com>
2344
2345         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
2346         indicate success/failure of the analysis. Add negation to subtrahend
2347         in case of subtraction. Fail if both operands contain constants.
2348         (create_data_ref): Fail if analyze_offset fails.
2349
2350 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
2351
2352         * config/i386/i386.md (frndintxf2): Rename to ...
2353         (rintxf2): ... this. Remove expander having same name.
2354         (rintsf2, rintdf2): Implement using SSEMODEF macro.
2355         (roundsf2, rounddf2): Ditto.
2356         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
2357         (lround<mode>di2, lround<mode>si2): Ditto.
2358
2359 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
2360
2361         * lower-subreg.c: Include except.h.
2362         (decompose_multiword_subregs): Verify that the only control flow
2363         insns we can split are loads to multi-words pseudos.
2364         Handle breaking such blocks after splitting, instead of calling
2365         find_many_sub_basic_blocks.
2366
2367         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
2368         on the new basic block.  Add a lengthy comment explaining why we
2369         thought this was necessary.
2370         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
2371
2372 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
2373
2374         PR c++/30924
2375         * tree.c (walk_type_fields): Recurse into the element type of
2376         ARRAY_TYPEs if there is a pointer set.
2377
2378 2007-03-10  Dirk Mueller  <dmueller@suse.de>
2379
2380         * c-common.c (warn_logical_operator): Fix condition.
2381
2382 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
2383
2384         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
2385         quotation mark.
2386         * config/darwin.c (machopic_select_section): Remove superfluous
2387         argument in call to categorize_decl_for_section.  Remove unused
2388         variable shlib.
2389
2390 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
2391
2392         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
2393         defined.
2394         * configure: Regenerate.
2395
2396 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
2397
2398         PR target/31101
2399         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
2400         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
2401         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
2402         Add LABEL_NUSES to emitted label.
2403         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
2404         branch probability value to emitted jump insn.
2405         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
2406         Do not check life information and do not re-arrange input operands
2407         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
2408
2409 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2410
2411         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
2412         the change of decode_asm_operands.
2413
2414 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2415
2416         * mode-switching.c (create_pre_exit): Skip blockage insn.
2417
2418 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
2419
2420         * tree-pass.h (TODO_update_smt_usage): Remove.
2421         Update all users.
2422         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2423         argument SOME.
2424         Update all users.
2425
2426 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2427
2428         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
2429         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
2430         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
2431         SOM target.
2432
2433 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
2434
2435         * gcc.c: Document %{, in big comment at top.
2436         (input_suffix_matches): Remove special handling for .s and
2437         .S.
2438         (input_spec_matches): New.
2439         (handle_braces): Handle %{,.
2440         (validate_switches): ',' indicates a value which is not a switch.
2441         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
2442         to detect assembler input.
2443         * config/i386/sol2.h (CPP_SPEC): Likewise.
2444         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
2445         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2446         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
2447         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2448         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
2449         -m64 causes deployment target to default to 10.5.
2450         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2451
2452 2007-03-09  Richard Henderson  <rth@redhat.com>
2453
2454         PR target/26090
2455         * target.h (targetm.asm.out.reloc_rw_mask): New.
2456         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
2457         (TARGET_ASM_OUT): Use it.
2458         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
2459         * varasm.c (categorize_decl_for_section): Remove shlib argument;
2460         use the new reloc_rw_mask target hook instead.
2461         (default_section_type_flags_1): Merge into...
2462         (default_section_type_flags): ... here.
2463         (decl_readonly_section_1): Merge into...
2464         (decl_readonly_section): ... here.
2465         (default_elf_select_section_1): Merge into...
2466         (default_elf_select_section): ... here.
2467         (default_unique_section_1): Merge into...
2468         (default_unique_section): ... here.
2469         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
2470         (default_select_rtx_section): Use it.
2471         (default_elf_select_rtx_section): Likewise.
2472         * output.h: Update to match.
2473         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
2474         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
2475         (TARGET_ASM_RELOC_RW_MASK): New.
2476         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
2477         to categorize_decl_for_section.
2478         (x86_64_elf_unique_section): Likewise.
2479         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
2480         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
2481         (TARGET_ASM_RELOC_RW_MASK): New.
2482         * config/ia64/ia64.c (ia64_rwreloc_select_section,
2483         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
2484         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
2485         (TARGET_RWRELOC): Remove.
2486         (ia64_section_type_flags): Adjust call to default_section_type_flags.
2487         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2488         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
2489         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
2490         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
2491         (rs6000_xcoff_select_section): Use decl_readonly_section.
2492         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
2493         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2494         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
2495         (TARGET_SECTION_TYPE_FLAGS): Remove.
2496         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
2497
2498 2007-03-09  Roger Sayle  <roger@eyesopen.com>
2499
2500         * fold-const.c (fold_comparison): Remove compile-time evaluation of
2501         complex constant equality/inequality comparisons for here.
2502         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
2503         known at compile-time or can be simplified to a scalar comparison.
2504         (fold_relational_const): Move compile-time evaluation of complex
2505         constant equality/inequality comparisons to here.
2506
2507 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2508
2509         PR rtl-optimization/30643
2510         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
2511         dest_addr_elt.
2512         (fold_rtx): Recurse, like before 2006-11-03.
2513
2514 2007-03-09  DJ Delorie  <dj@redhat.com>
2515
2516         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
2517         m32c-pragma.o.
2518
2519 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2520
2521         PR tree-optimization/30375
2522         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2523         LHS of statements is not the same.
2524         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2525
2526 2007-03-09  Chao-ying Fu  <fu@mips.com>
2527
2528         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2529         REV 2.
2530         * doc/invoke.texi (-mdspr2): Document new option.
2531         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2532         New unspec for DSP REV 2.
2533         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2534         these instructions are extended in DSP REV 2.
2535         (mips-dspr2.md): Include.
2536         * config/mips/mips.opt (mdspr2): New option.
2537         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2538         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2539         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2540         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2541         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2542         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2543         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2544         and 2 builtins.
2545         (bdesc_map): Add one field of unsupported_target_flags.
2546         (bdesc_arrays):  Update entries to have extra fields.  Add
2547         dsp_32only_bdesc.
2548         (mips_init_builtins): Initialize new function types.
2549         Check unsupported_target_fileds to filter out builtins.
2550         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2551         TARGET_DSPR2.
2552         (ASM_SPEC): Pass mdspr2 to the assembler.
2553         * config/mips/mips-dspr2.md: New file.
2554
2555 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2556
2557         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2558
2559 2007-03-09  Ian Lance Taylor  <iant@google.com>
2560
2561         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2562         argument) like -Wstrict-overflow=2.
2563         * doc/invoke.texi (Warning Options): Update documentation.
2564
2565 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2566
2567         PR c++/17946
2568         * doc/invoke.texi (-Wlogical-op): Document.
2569         * common.opt (-Wlogical-op): New.
2570         * c-common.h (warn_logical_operator): Declare.
2571         * c-common.c (warn_logical_operator): Define.
2572         * c-typeck.c (parser_build_binary_op): Call
2573         warn_logical_operator.
2574
2575 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2576
2577         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2578         * final.c (final_scan_insn): Test for non-"" file name.
2579
2580 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2581
2582         * doc/loop.texi: Document the Omega linear constraints solver.
2583         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2584         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2585         omega-hash-table-size, omega-max-keys, and
2586         omega-eliminate-redundant-constraints.
2587         * tree-pass.h (pass_check_data_deps): Declared.
2588         * omega.c: New.
2589         * omega.h: New.
2590         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2591         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2592         pass_check_data_deps): New.
2593         * tree-data-ref.c (init_data_ref): Remove declaration.
2594         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2595         (analyze_array): Renamed init_array_ref, move up initializations.
2596         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2597         Removed arguments that are set to NULL.
2598         (analyze_indirect_ref): Correct indentation, correct call to
2599         init_pointer_ref.
2600         (object_analysis): Call init_array_ref instead of analyze_array.
2601         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2602         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2603         of DR_ACCESS_FNS_ADDR.
2604         (init_omega_eq_with_af, omega_extract_distance_vectors,
2605         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2606         ddr_consistent_p): New.
2607         (compute_affine_dependence): Check consistency of ddrs when
2608         flag_check_data_deps is passed.
2609         (analyze_all_data_dependences): Uncomment.
2610         (tree_check_data_deps): New.
2611         * tree-data-ref.h: Include omega.h.
2612         (DR_ACCESS_FNS_ADDR): Removed.
2613         (data_dependence_relation): Add inner_loop.
2614         (DDR_INNER_LOOP): New.
2615         * common.opt (fcheck-data-deps): New.
2616         * tree-flow.h (tree_check_data_deps): Declare.
2617         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2618         (OBJS-common): Depend on omega.o.
2619         (omega.o): Define.
2620         * passes.c (pass_check_data_deps): Scheduled.
2621         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2622         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2623         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2624         PARAM_VECT_MAX_VERSION_CHECKS,
2625         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2626
2627 2007-03-09  Richard Guenther  <rguenther@suse.de>
2628
2629         PR tree-optimization/30904
2630         PR middle-end/31058
2631         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2632         the same way as *_DIV_EXPR.
2633
2634 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2635
2636         * recog.c (decode_asm_operands): No mixed declarations and code.
2637
2638 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2639
2640         * rtl.def (ASM_INPUT): Add location.
2641         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2642         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2643         (decode_asm_operands): Add loc operand.
2644         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
2645         * stmt.c (expand_asm): Rename to...
2646         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
2647         gen_rtx_ASM_INPUT_loc.
2648         (expand_asm_expr): Adjust.
2649         * recog.c (decode_asm_operands): Add loc operand.
2650         (check_asm_operands, extract_insn): Adjust.
2651         * reload1.c (maybe_fix_stack_asms): Likewise.
2652         * final.c (asm_insn_count): Likewise.
2653         (final_scan_insn): Output # line before and after asm.
2654
2655 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
2656
2657         * tree-ssa-structalias.c (variable_info): Remove
2658         finished_solution.
2659         (new_var_info): Ditto.
2660         (shared_bitmap_info_t): New structure.
2661         (shared_bitmap_table): New variable.
2662         (shared_bitmap_hash): New function.
2663         (shared_bitmap_eq): Ditto
2664         (shared_bitmap_lookup): Ditto.
2665         (shared_bitmap_add): Ditto.
2666         (merge_smts_into): Change to take bitmap directly.
2667         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
2668         (init_alias_vars): Init shared bitmap hashtable.
2669         (delete_points_to_sets): Delete shared bitmap hashtable.
2670         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
2671         is_aliased removal as a change that was still necessary was
2672         deleted.
2673
2674 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
2675
2676         * config/i386/i386.h (override_options): Conditionally disable
2677         x86_sahf for 64bit targets only.
2678
2679 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2680
2681         PR C/31072
2682         * c-decl.c (merge_decls): Don't call make_var_volatile.
2683         * varasm.c (make_var_volatile): Remove.
2684         * output.h (make_var_volatile): Remove.
2685
2686 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
2687
2688         PR tree-optimization/31085
2689         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
2690
2691 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2692
2693         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
2694         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
2695         ATTR_CONST_NOTHROW_LIST.
2696
2697         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2698         FIX_TRUNC_EXPR.
2699
2700 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
2701
2702         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
2703
2704 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
2705
2706         PR 31013
2707         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
2708         is declared.
2709         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
2710         passed, use shared libgcc.
2711
2712 2007-03-08  Roger Sayle  <roger@eyesopen.com>
2713
2714         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
2715         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2716         (honor_protect_cleanup_actions, lower_try_finally_switch):
2717         Likewise.
2718         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
2719         ifc_temp_var): Likewise.
2720         * tree-inline.c (setup_one_parameter): Likewise.
2721         * tree-mudflap.c (mf_decl_cache_locals,
2722         mf_build_check_statement_for): Likewise.
2723         * tree-nested.c (init_tmp_var, save_tmp_var,
2724         finalize_nesting_tree_1): Likewise.
2725         * tree-outof-ssa.c (insert_copy_on_edge,
2726         insert_backedge_copies): Likewise.
2727         * tree-profile.c (tree_gen_edge_profiler,
2728         tree_gen_ic_profiler): Likewise.
2729         * tree-scalar-evolution.c (scev_const_prop): Likewise.
2730         * tree-sra.c (sra_build_assignment): Likewise.
2731         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
2732         * tree-ssa-math-opts.c (insert_reciprocals,
2733         execute_cse_sincos_1): Likewise.
2734         * tree-tailcall.c (adjust_accumulator_values,
2735         adjust_return_value): Likewise.
2736         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
2737         * tree-vect-transform.c (vect_create_data_ref_ptr,
2738         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
2739         vect_create_epilog_for_reduction, vectorizable_reduction,
2740         vectorizable_call, vectorizable_conversion,
2741         vectorizable_assignment, vectorizable_operation,
2742         vectorizable_type_demotion, vect_gen_widened_results_half,
2743         vect_permute_store_chain, vectorizable_store,
2744         vect_setup_realignment, vect_permute_load_chain,
2745         vectorizable_load, vectorizable_condition,
2746         vect_create_cond_for_align_checks): Likewise.
2747         * tree-vrp.c (build_assert_expr_for): Likewise.
2748
2749 2007-03-08  Ian Lance Taylor  <iant@google.com>
2750
2751         * tree-vrp.c: Include "intl.h".
2752         (usable_range_p): New static function.
2753         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
2754         overflowed values, juts set *strict_overflow_p.
2755         (compare_values): Only return -2 if one of the operands is not a
2756         constant.
2757         (compare_ranges): Call usable_range_p.
2758         (compare_range_with_value): Likewise.
2759         (vrp_evaluate_conditional_warnv): Rename from
2760         vrp_evaluate_conditional.  Make static.  Change all callers.
2761         (vrp_evaluate_conditional): New function.
2762         (simplify_div_or_mod_using_ranges): Issue warning about reliance
2763         on signed overflow.
2764         (simplify_abs_using_ranges): Likewise.
2765         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
2766         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
2767         within_stmt parameter.
2768         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2769         vrp_evaluate_conditional.
2770         * tree-ssa-threadedge.c
2771         (record_temporary_equivalences_from_stmts_at_dest): Change
2772         simplify parameter to take a second tree parameter.
2773         (simplify_control_stmt_condition): Likewise.
2774         (thread_across_edge): Likewise.
2775         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
2776         (thread_across_edge): Likewise.
2777         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
2778
2779 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
2780
2781         * config/i386/i386.h (TARGET_SAHF): New define.
2782         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
2783         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
2784         (x86_sahf): New global variable.
2785         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
2786         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
2787         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
2788         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
2789         for 64-bit.
2790         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
2791         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
2792         when expanding fcomi/sahf based tests.
2793         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
2794         expanding sahf based alternative. Emit sahf based sequence when
2795         optimizing for code size.
2796         * config/i386/i386.md (x86_sahf_1): Do not disable for
2797         TARGET_64BIT, enable for TARGET_SAHF.
2798
2799 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
2800
2801         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
2802         spurious whitespace from error message.
2803
2804 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
2805
2806         PR c++/30852
2807         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
2808
2809 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
2810
2811         * c-decl.c (grokdeclarator): Disable warnings for anonymous
2812         bitfields.
2813         * tree-sra.c (instantiate_element): Propagate disabled warnings
2814         from the element itself to the created variable.
2815
2816 2007-03-07  Richard Henderson  <rth@redhat.com>
2817
2818         PR target/30848
2819         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
2820         silently fix up the stack in the case of a missing register.
2821
2822 2007-03-07  Paul Brook  <paul@codesourcery.com>
2823
2824         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
2825
2826 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
2827
2828         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
2829         New.
2830         (phase1_vrs): Use them.
2831         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
2832         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
2833         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
2834         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
2835         __gnu_Unwind_Restore_WMMXC if required.
2836         (_Unwind_VRS_Pop): Implement iWMMXt support.
2837         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
2838         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
2839         gnu_Unwind_Save_WMMXC): Define.
2840
2841 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2842
2843         * config/vxworks.h (vxworks_override_options): Declare.
2844         (VXWORKS_OVERRIDE_OPTIONS): Use it.
2845         * config/vxworks.c: Include target.h and toplev.h.
2846         (vxworks_override_options): New function.
2847         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
2848
2849 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2850
2851         * config/s390/s390.c (override_options): Don't emit an error when
2852         -mstack-size is used without providing -mstack-guard.
2853         (s390_emit_prologue): Choose stack_guard value automatically if not
2854         provided via command line.
2855         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
2856
2857 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
2858
2859         * config/i386/i386.c (output_set_got): Add a GOT initialization
2860         sequence for VxWorks PIC.
2861         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
2862         around labels as well as symbols.  Use gotoff_operand instead
2863         of local_symbolic_operand.
2864         (legitimize_pic_address): Use gotoff_operand instead of
2865         local_symbolic_operand.  Use @GOT accesses for labels as
2866         well as symbols.
2867         (ix86_output_addr_diff_elt): Use PC-relative rather than
2868         GP-relative offsets for VxWorks PIC.
2869         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
2870         no_new_pseudos.  Check whether the returned register is op0.
2871         * config/i386/i386.md (tablejump): Use PC-relative rather than
2872         GP-relative offsets for VxWorks PIC.
2873         * config/i386/predicates.md (gotoff_operand): New predicate.
2874
2875 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2876
2877         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
2878         before defining.
2879         * config/vxworks-dummy.h: New file.
2880         * config/i386/i386.h: Include it.
2881
2882 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
2883
2884         * dwarf2out.c (is_inlined_entry_point): New
2885         (add_high_low_attributes): Emit DW_AT_entry_pc along with
2886         DW_AT_ranges if the first subblock is the entry point.
2887
2888 2007-03-06  David Daney  <ddaney@avtrex.com>
2889
2890         * doc/install.texi (mips-*-*): Change recommended binutils
2891         version.
2892
2893 2007-03-06  Anatoly Sokolov <aesok@post.ru>
2894
2895         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
2896         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
2897         devices.
2898         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2899         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2900
2901 2007-03-06  Jan Hubicka  <jh@suse.cz>
2902
2903         * errors.h (warning, error, fatal, internal_error): Mark as cold.
2904         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
2905         are hot.
2906         (probably_cold_bb_p): Cold functions are cold.
2907         (probably_never_executed_bb_p): Cold functions are cold.
2908         (tree_bb_level_predictions): Predict calls to cold functions as not
2909         taken.
2910         (compute_function_frequency): Check hot/cold attributes.
2911         * function.h (function_frequency): Update comments.
2912         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
2913         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
2914         (c_common_att): Add cold and hot.
2915
2916         * doc/extend.texi (hot,cold attributes): Document.
2917
2918 2007-03-06  Andrew Haley  <aph@redhat.com>
2919
2920         * function.c (expand_function_end): Move blockage to just after we
2921         emit the label for the naked return from the function.
2922
2923 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
2924
2925         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
2926         before redefining.
2927
2928 2007-03-06  Jan Hubicka  <jh@suse.cz>
2929
2930         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
2931         loaded for constant large models.  Non-large 64bit PIC can do.
2932         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
2933         * cmodel.h: Add LARGE PIC.
2934         * i386.md (UNSPEC_PLTOFF): New.
2935         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
2936         needed.
2937         (*call_1_rex64): Disable for large models.
2938         (*call_1_rex64_large): New.
2939         (*call_value_1_rex64): Disable for large models.
2940         (*call_value_1_rex64_large): New.
2941         (set_rip_rex4): New.
2942         (set_got_offset_rex64): New.
2943         * predicates.md (constant_call_address_operand): For large model
2944         constant calls are not possible.
2945         * i386-protos.h (construct_plt_address): Declare.
2946         * i386.c (override_options): Accept large models.
2947         (ix86_expand_prologue): Expand large PIC GOT pointer load.
2948         (legitimate_constant_p): Add new UNSPECs.
2949         (legitimate_pic_operand_p): Likewise.
2950         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
2951         (legitimize_pic_address): Do easy RIP relative way for TLS only for
2952         non-large model.
2953         (output_pic_addr_const): Add PLTOFF.
2954         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
2955         (ix86_expand_move): Legitimize pic address when in PIC mode.
2956         (construct_plt_address): New function.
2957         (ix86_expand_call): Offload the address to register and use GOT pointer
2958         for large model.
2959         * invoke.texi (mcmodel=large): Update documentation.
2960
2961 2007-03-06  Richard Henderson  <rth@redhat.com>
2962
2963         * config/i386/i386.c (x86_use_leave, x86_push_memory,
2964         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
2965         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
2966         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
2967         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
2968         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
2969         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
2970         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
2971         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
2972         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2973         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2974         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
2975         x86_sse_partial_reg_dependency, x86_sse_split_regs,
2976         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
2977         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
2978         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
2979         x86_schedule, x86_use_bt, x86_pad_returns,
2980         x86_use_xchgb): Merge into ...
2981         (ix86_tune_features): ... here.  New array.
2982         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
2983         x86_bswap): Merge into ...
2984         (ix86_arch_features): ... here.  New array.
2985         (x86_3dnow_a): Remove.
2986         (x86_accumulate_outgoing_args): Make static.
2987         (x86_arch_always_fancy_math_387): Make static.
2988         (ix86_tune_mask, ix86_arch_mask): Move ...
2989         (override_options): ... to local variables here.  Apply the
2990         appropriate mask to each element of ix86_arch_features and
2991         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
2992         as were done in the old macros.
2993         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
2994         * config/i386/i386.h (x86_use_leave, x86_push_memory,
2995         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
2996         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
2997         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
2998         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
2999         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3000         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3001         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3002         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3003         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3004         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3005         x86_accumulate_outgoing_args, x86_prologue_using_move,
3006         x86_epilogue_using_move, x86_decompose_lea,
3007         x86_arch_always_fancy_math_387, x86_shift1,
3008         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3009         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3010         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3011         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3012         x86_use_incdec, x86_pad_returns, x86_bswap,
3013         x86_partial_flag_reg_stall): Remove.
3014         (enum ix86_tune_indices): New.
3015         (ix86_tune_features): New.
3016         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3017         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3018         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3019         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3020         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3021         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3022         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3023         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3024         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3025         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3026         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
3027         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
3028         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
3029         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
3030         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
3031         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
3032         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
3033         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
3034         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
3035         TARGET_EXT_80387_CONSTANTS): Use it.
3036         (enum ix86_arch_indices): New.
3037         (ix86_arch_features): New.
3038         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
3039         TARGET_BSWAP): Use it.
3040         (ix86_tune_mask, ix86_arch_mask): Remove.
3041
3042 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
3043
3044         PR bootstrap/31020
3045         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
3046         Define using $${sysroot_headers_suffix}.
3047         * configure: Regenerate.
3048         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3049         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3050         defined.
3051         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3052         * gcc.c (print_sysroot_headers_suffix): New.
3053         (option_map): Include --print-sysroot-headers-suffix.
3054         (display_help): Mention -print-sysroot-headers-suffix.
3055         (process_command): Handle -print-sysroot-headers-suffix.
3056         (do_spec_1): Append multilib directory to include-fixed path if
3057         sysroot suffixes in use.
3058         (main): Handle -print-sysroot-headers-suffix.
3059         * Makefile.in (start.encap): Don't depend on xlimits.h
3060         (xlimits.h): Remove.
3061         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3062         limits.h for each multilib in fixinc_list.
3063         (fixinc_list, s-fixinc_list): New.
3064         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3065         generate them for each multilib in fixinc_list.
3066         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3067         multilib in fixinc_list.
3068         (mostlyclean): Don't remove xlimits.h.
3069         (clean): Remove include-fixed.
3070         (real-install-headers-tar, real-install-headers-cpio,
3071         real-install-headers-cp): Don't copy include, only include-fixed.
3072         (install-mkheaders): Depend on fixinc_list.  Don't depend on
3073         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
3074         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
3075         SYSTEM_HEADER_DIR setting in mkheaders.conf.
3076
3077 2007-03-06  Jan Hubicka  <jh@suse.cz>
3078
3079         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
3080         NANs easilly.
3081
3082 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3083
3084         * configure.ac: Allow tm_file to contain build-directory files.
3085         * configure: Regenerate.
3086         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
3087         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
3088         * config/m68k/print-sysroot-suffix.sh: New file.
3089
3090 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3091
3092         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
3093         of pic_offset_table_rtx if reload_completed.
3094         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
3095         PIC_OFFSET_TABLE_REGNUM.
3096         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
3097         return true.
3098         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
3099         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
3100
3101 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3102
3103         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3104         functions that call eh_return.
3105
3106 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3107
3108         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3109         functions that need a constant pool.
3110
3111 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3112
3113         PR target/28181
3114         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
3115         (m68k_preferred_reload_class): Likewise.
3116         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
3117         (SECONDARY_RELOAD_CLASS): Define.
3118         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
3119         (LIMIT_RELOAD_CLASS): Delete.
3120         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
3121         registers from storing bytes.
3122         (m68k_secondary_reload_class): New function.
3123         (m68k_preferred_reload_class): Likewise.
3124
3125 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3126
3127         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
3128         leaf functions.
3129         (m68k_expand_prologue): Likewise.
3130
3131 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3132
3133         * config/m68k/m68k-protos.h (output_sibcall): Declare.
3134         (mips_expand_epilogue): Add a bool parameter.
3135         (m68k_legitimize_sibcall_address): Declare.
3136         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
3137         (m68k_expand_epilogue): Add a parameter to select between sibling
3138         and normal epilogues.  Only generate a return for the latter.
3139         (m68k_ok_for_sibcall_p): New function.
3140         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
3141         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
3142         (sibcall_value, *sibcall_value): Likewise.
3143         (*call, *call_value): Require !SIBLING_CALL_P.
3144         (epilogue): Update call to m68k_expand_epilogue.
3145         (sibcall_epilogue): New pattern.
3146         * config/m68k/predicates.md (const_call_operand): Say that this
3147         predicate applies to sibling calls too.
3148         (sibcall_operand): New predicate.
3149
3150 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3151
3152         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
3153         alternatives as movsi_cf.
3154         (movsf_cf_hard): Add commentary.
3155
3156 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
3157             Richard Sandiford  <richard@codesourcery.com>
3158
3159         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
3160         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
3161         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
3162         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
3163         as being live on exit from an interrupt function.
3164         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
3165         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
3166         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
3167         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
3168         (m68k_interrupt_function_p): Globalize.
3169         (m68k_compute_frame_layout): Remove reverse mask code.
3170         (m68k_emit_movem, m68k_set_frame_related): New functions.
3171         (m68k_output_function_prologue): Delete in favor of...
3172         (m68k_expand_prologue): ...this new function.
3173         (m68k_output_function_epilogue): Delete in favor of...
3174         (m68k_expand_epilogue): ...this new function.
3175         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
3176         functions.
3177         (print_operand): Handle %?.
3178         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
3179         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
3180         (prologue, epilogue): New patterns.
3181         (return): Turn into a define_expand.
3182         (*return): New pattern, derived from old "return" pattern.  Use rte
3183         rather than rts for interrupt functions.  Only use rtd if the pop
3184         count is nonzero.
3185         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
3186         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
3187         (link, *link, unlink, *unlink, load_got): Likewise.
3188
3189 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3190
3191         PR target/23482
3192         PR target/17114
3193         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
3194         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
3195         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
3196         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
3197         and m68k_matches_u_p.
3198         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
3199         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
3200         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
3201         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
3202         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
3203         (REG_STRICT_P): New macro.
3204         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
3205         PCREL_GENERAL_OPERAND_OK.
3206         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
3207         m68k_legitimate_base_reg_p.
3208         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
3209         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
3210         (PIC_CASE_VECTOR_ADDRESS): Update comment.
3211         * config/m68k/m68k.c (m68k_address): New structure.
3212         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
3213         (m68k_decompose_index, m68k_legitimate_constant_address_p)
3214         (m68k_jump_table_ref_p, m68k_decompose_address)
3215         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
3216         (m68k_matches_u_p): New functions.
3217         (print_operand_address): Rewrite to use m68k_decompose_index.
3218
3219 2007-03-05  David Taylor  <dtaylor@emc.com>
3220
3221         * gcc.c: Correct copyright date in --version output.
3222
3223 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3224
3225         * pa.md: In unamed move patterns, disparge copies between general
3226         and floating point registers using '?' modifier.  Don't include 'f'
3227         constraint for register preferences in DImode, SImode, HImode and
3228         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
3229         Remove constraints for copies between general and floating registers
3230         in soft-float DFmode pattern.
3231         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
3232         floating register.
3233         (movsf): Likewise.
3234
3235 2007-03-05  Mike Stump  <mrs@apple.com>
3236
3237         * c-common.c (targetcm): Add.
3238         * c-opts.c (c_common_handle_option): Handle language specific
3239         target options.
3240         * opts.c (handle_option): Verify language for target options, if
3241         any are given.
3242         * opth-gen.awk: Add CL_LANG_ALL.
3243         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
3244         (TARGETCM_INITIALIZER): Add.
3245         * target.h (struct gcc_targetcm): Add.
3246         (targetcm): Add.
3247         * targhooks.c (default_handle_c_option): Add.
3248         * targhooks.h (default_handle_c_option): Add.
3249         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
3250
3251         * config/darwin.opt (iframework): Add.
3252         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
3253         * config/darwin-c.c (handle_c_option): Add.
3254         (TARGET_HANDLE_C_OPTION): Add.
3255         (targetcm): Add.
3256         * doc/invoke.texi (Darwin Options): Add -iframework.
3257
3258 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3259
3260         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
3261         conversion.
3262
3263 2007-03-05  Ian Lance Taylor  <iant@google.com>
3264
3265         * c.opt (fgnu89-inline): New option.
3266         * c-opts.c (c_common_post_options): Set default value for
3267         flag_gnu89_inline.
3268         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
3269         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
3270         inline functions.
3271         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
3272         (grokdeclarator, start_function): Likewise.
3273         * c-cppbuiltin.c (c_cpp_builtins): Define either
3274         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
3275         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
3276         (C Dialect Options): Document -fgnu89-inline.
3277         * doc/extend.texi (Function Attributes): Explain what the
3278         gnu_inline attribute does.
3279         * doc/cpp.texi (Common Predefined Macros): Document
3280         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3281
3282 2007-03-05  Ian Lance Taylor  <iant@google.com>
3283
3284         PR tree-optimization/31034
3285         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
3286         half-range if the other side is an overflow infinity.
3287
3288 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3289
3290         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
3291         (bfin*-linux-uclibc*): New configuration.
3292         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
3293         defining.
3294         * config/bfin/linux.h: New file.
3295         * config/bfin/libgcc-bfin.ver: New file.
3296         * config/bfin/t-bfin-uclinux: New file.
3297         * config/bfin/t-bfin-linux: New file.
3298         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
3299         (TARGET_OS_CPP_BUILTINS): New macro.
3300
3301 2007-03-05  Richard Guenther  <rguenther@suse.de>
3302
3303         * fold-const.c (fold_binary): Remove duplicate folding
3304         of comparison of non-null ADDR_EXPR against null.
3305
3306 2007-03-05  Richard Guenther  <rguenther@suse.de>
3307             Dorit Nuzman  <dorit@il.ibm.com>
3308
3309         PR tree-optimization/26420
3310         * tree-vectorizer.c (vectorize_loops): Bail out early if there
3311         are no loops in the function.  Only print the number of
3312         vectorized loops if it is greater than zero or we are supposed
3313         to print information about unvectorized loops.
3314
3315 2007-03-05  Revital Eres  <eres@il.ibm.com>
3316
3317         * gcc.dg/var-expand1.c: New test.
3318         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
3319         when an accumulator is expanded.
3320
3321 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3322
3323         PR other/30465
3324         * c-common.c (convert_and_check): Don't give warnings for
3325         conversion if 'expr' already overflowed.
3326
3327 2007-03-04  Roger Sayle  <roger@eyesopen.com>
3328
3329         PR middle-end/30744
3330         * fold-const.c (fold_comparison): Enforce type consistency when
3331         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
3332
3333 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
3334
3335         * tree-ssa-address.c (create_mem_ref): Do not put an expression
3336         containing a cast to the base of TARGET_MEM_REF.
3337
3338 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
3339
3340         * tree.c (tree_contains_struct_check_failed): Remove spurious
3341         whitespace from error message.
3342
3343 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
3344
3345         PR target/30406
3346         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
3347         instead of precision.
3348
3349 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
3350             Nathan Sidwell  <nathan@codesourcery.com>
3351
3352         * emit-rtl.c (find_auto_inc): New.
3353         (try_split): recreate REG_INC notes,
3354         Use regular for loops rather than whiles.
3355
3356 2007-03-03  Andreas Schwab  <schwab@suse.de>
3357
3358         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
3359         * configure: Regenerate.
3360
3361 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3362
3363         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
3364         flag_rounding_math, not flag_unsafe_math_optimizations.
3365
3366         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
3367         fold_build2.
3368         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
3369         alpha_fold_vector_minmax): Likewise.
3370         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3371         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
3372
3373 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3374
3375         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
3376         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
3377         if the lhs has side-effects.
3378         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
3379
3380 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3381
3382         * config/i386/i386.h (TUNEMASK): Remove define.
3383         (ARCHMASK): Remove define.
3384         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
3385          Use ix86_arch_mask variable instead of ARCHMASK.
3386         * config/i386/i386.c (override_options): Ditto.
3387         (standard_80387_constant_p): Ditto.
3388
3389 2007-03-02  Ian Lance Taylor  <iant@google.com>
3390
3391         Used signed infinities in VRP.
3392         * tree-vrp.c (uses_overflow_infinity): New static function.
3393         (supports_overflow_infinity): New static function.
3394         (make_overflow_infinity): New static function.
3395         (negative_overflow_infinity): New static function.
3396         (positive_overflow_infinity): New static function.
3397         (is_negative_overflow_infinity): New static function.
3398         (is_positive_overflow_infinity): New static function.
3399         (is_overflow_infinity): New static function.
3400         (overflow_infinity_range_p): New static function.
3401         (compare_values_warnv): New function split out of compare_values.
3402         (compare_value): Call it.
3403         (set_value_range_to_nonnegative): Add overflow_infinity
3404         parameter.  Change caller.
3405         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
3406         Change callers.
3407         (vrp_expr_computes_nonzero): Likewise.
3408         (compare_ranges, compare_range_with_value): Likewise.
3409         (compare_name_with_value, compare_names): Likewise.
3410         (vrp_evaluate_conditional): Likewise.
3411         (set_value_range): Handle infinity
3412         (vrp_operand_equal_p, operand_less_p): Likewise.
3413         (extract_range_from_assert): Likewise.
3414         (vrp_int_const_binop): Likewise.
3415         (extract_range_from_binary_expr): Likewise.
3416         (extract_range_from_unary_expr): Likewise.
3417         (extract_range_from_comparison): Likewise.
3418         (extract_range_from_expr): Likewise.
3419         (dump_value_range): Likewise.
3420         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
3421         (test_for_singularity): Likewise.
3422         (vrp_int_const_binop): Remove inline qualifier.
3423         (adjust_range_with_scev): Add comment.
3424         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3425
3426 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
3427
3428         * tree-ssa-structalias.c (could_have_pointers): Tidy.
3429         (get_constraint_for): Likewise.
3430         (do_structure_copy): Likewise.
3431         (find_func_aliases): Fix references to MODIFY_EXPR.
3432         (intra_create_variable_infos): Tidy.
3433         * tree-ssa-operands.c (add_virtual_operand): Add argument
3434         IS_CALL_SITE.
3435         When adding members of alias sets, if IS_CALL_SITE is true and
3436         the symbol is not call-clobbered, skip it.
3437         Adjust all callers.
3438
3439 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3440
3441         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
3442         entry by means of emit_insn_at_entry.
3443
3444 2007-03-02  Richard Henderson  <rth@redhat.com>
3445
3446         * expr.h (promoted_input_arg): Remove decl.
3447         * function.c (promoted_input_arg): Merge into ...
3448         * combine.c (setup_incoming_promotions): ... only caller.
3449         Rearrange to avoid double loop.
3450
3451 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3452             Peter Bergner  <bergner@vnet.ibm.com>
3453             Janis Johnson  <janis187@us.ibm.com>
3454
3455         * config/rs6000/dfp.md: New file.
3456         * config/rs6000/rs6000.md: Include dfp.md.
3457         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
3458         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
3459         and TDmode decimal float modes in FP registers.
3460         (num_insns_constant): Likewise.
3461         (rs6000_legitimate_offset_address_p): Likewise.
3462         (rs6000_legitimize_address): Likewise.
3463         (rs6000_legitimize_reload_address): Likewise.
3464         (rs6000_legitimate_address): Likewise.
3465         (rs6000_emit_move): Likewise.
3466         (function_arg_boundary): Likewise.
3467         (function_arg_advance): Likewise.
3468         (rs6000_darwin64_record_arg_recurse): Likewise.
3469         (function_arg): Likewise.
3470         (rs6000_gimplify_va_arg): Likewise.
3471         (rs6000_split_multireg_move): Likewise.
3472         (rs6000_output_function_epilogue): Likewise.
3473         (rs6000_output_function_epilogue): Likewise.
3474         (rs6000_register_move_cost): Likewise.
3475         (rs6000_function_value): Likewise.
3476         (rs6000_libcall_value): Likewise.
3477
3478 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3479
3480         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
3481
3482 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3483
3484         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
3485         Use $MULTIDIR to choose between the kernel and RTP headers,
3486         and use $WIND_BASE and $WIND_USR to locate them.
3487
3488 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3489
3490         * config/i386/i386.c (override_options): Put initialization of
3491         ix86_tune_mask and ix86_arch_mask to the correct place.
3492
3493 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3494             Michael Meissner  <michael.meissner@amd.com>
3495
3496         PR target/31019
3497         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
3498         (ARCHMASK): Define.
3499         (TARGET_CMOVE): Use ARCHMASK.
3500         (TARGET_CMPXCHG): Ditto.
3501         (TARGET_CMPXCHG8B): Ditto.
3502         (TARGET_XADD): Ditto.
3503         (TARGET_BSWAP): Ditto.
3504         * config/i386/i386.c (ix86_tune_mask): New global variable.
3505         (ix86_arch_mask): Ditto.
3506         (override_options): Initialize ix86_tune_mask and
3507         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
3508         target_flags.
3509
3510 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3511
3512         PR 30992
3513         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
3514
3515 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
3516
3517         * target.h (init_dwarf_reg_sizes_extra): New target hook.
3518         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
3519         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3520         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3521         hook.
3522         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3523         rs6000_init_dwarf_reg_sizes_extra): New.
3524         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3525         SPE register high parts.
3526
3527 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3528
3529         * Makefile.in: Add install-pdf target as
3530         copied from automake v1.10 rules.
3531         * configure.ac: Add install-pdf to target list.
3532         * configure: Regenerate.
3533
3534 2007-03-01  Paul Brook  <paul@codesourcery.com>
3535
3536         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3537         modes to LDRD for DImode.
3538         (output_move_double): Fixup out of range ldrd/strd.
3539         (vfp_secondary_reload_class): Rename...
3540         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3541         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3542         coproc_secondary_reload_class for CLASS_IWMMXT.
3543         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3544         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3545
3546 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3547
3548         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3549         factor by the estimated number of iterations.
3550         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3551         prefetch latency.
3552
3553         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3554         decode_caches_intel, detect_caches_intel): New functions.
3555         (host_detect_local_cpu): Use detect_caches_amd and
3556         detect_caches_intel.
3557
3558 2007-03-01  Richard Henderson  <rth@redhat.com>
3559
3560         * expr.c (emit_move_complex_push): Export.
3561         (emit_move_complex_parts): Split out from ...
3562         (emit_move_complex): ... here.
3563         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3564         * config/i386/i386.md (movcdi): New.
3565
3566 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3567
3568         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3569         size of mode1 to check for tieable modes in MMX case.
3570
3571 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3572
3573         * Makefile.in (rtlanal.o): Depend on tree.h.
3574         * rtl.h (offset_within_section_p, split_const): Declare.
3575         * rtlanal.c: Include tree.h.
3576         (offset_within_block_p): New function, taken from
3577         mips_offset_within_object_p.
3578         (split_const): New function, taken from mips_split_const.
3579         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3580         Declare.
3581         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3582         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3583         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3584         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3585         (m68k_illegitimate_symbolic_constant_p): New function.
3586         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3587         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3588         symbolic constant that might be outside the symbol's section,
3589         move the symbol first and then add the offset.
3590         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3591         Override.
3592         * config/mips/mips.c (mips_split_const): Delete.
3593         (mips_offset_within_object_p): Delete.
3594         (mips_symbolic_constant_p): Use offset_within_section_p and
3595         split_const instead of mips_offset_within_object_p and
3596         mips_split_const.
3597         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3598         (mips_legitimize_const_move, print_operand_reloc)
3599         (mips_dangerous_for_la25_p): Use split_const instead of
3600         mips_split_const.
3601
3602 2007-02-28  Eric Christopher  <echristo@apple.com>
3603
3604         * Makefile.in (install-include-dir): Don't rm -rf include.
3605
3606 2007-02-28  Richard Guenther  <rguenther@suse.de>
3607
3608         PR middle-end/30364
3609         * fold-const.c (fold_binary): Do not associate expressions
3610         with more than one variable for integer types that do not wrap.
3611
3612 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3613
3614         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3615         Delete, and replace with...
3616         (fold_builtin_call_array): This.  Update callers to use it.
3617         * fold-const.c (fold_build_call_list): Delete, and replace with...
3618         (fold_build_call_array): This.
3619         (fold_build_call_list_initializer): Delete, and replace with...
3620         (fold_build_call_array_initializer): This.
3621         * tree.h: Update declarations to reflect above changes.
3622
3623         * c-typeck.c (build_function_call): Store converted arguments
3624         in a stack-allocated array instead of building a list.
3625         (convert_arguments): Store arguments in the array passed in as an
3626         argument, and return the actual number of arguments.
3627         * c-format.c: (check_function_format): Pass arguments in an
3628         array instead of a list.
3629         * c-common.c (check_function_nonnull): Likewise.
3630         (check_function_sentinel): Likewise.
3631         (check_function_arguments): Likewise.
3632         * c-common.h: Update declarations to reflect above changes.
3633
3634 2007-02-28  Jan Hubicka  <jh@suse.cz>
3635
3636         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3637         PRED_NEGATIVE_RETURN): Update outcomes.
3638
3639 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3640
3641         * calls.c (emit_library_call_value_1): Handle partial registers
3642         correctly when building up CALL_INSN_FUNCTION_USAGE.
3643
3644 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3645
3646         * pa/predicates.md (move_src_operand): Allow zero for mode.
3647         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
3648         move pattern.
3649
3650 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
3651
3652         PR target/30970
3653         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
3654         *movv2df_internal): Enable pattern only for valid operand
3655         combinations.
3656         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
3657         tie only 128bit modes. For MMX registers, tie only 64bit modes.
3658
3659 2007-02-27  Mike Stump  <mrs@apple.com>
3660
3661         * config/darwin-crt3.c: Avoid compilation when compiling for a
3662         kext multilib.
3663
3664 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
3665
3666         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
3667         FIXED_INCLUDE_DIR.
3668         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
3669         for fixed headers and limits.h.
3670         (install-include-dir, install-headers-tar, install-headers-cpio,
3671         install-headers-cp, real-install-headers-tar,
3672         real-install-headers-cpio, real-install-headers-cp): Handle
3673         include-fixed as well as include.
3674         (install-mkheaders): Don't install files that go only in include
3675         not include-fixed.
3676         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
3677         from GCC_INCLUDE_DIR.
3678         * gcc.c (process_command): Remove special -BstageN/ handling.
3679         (do_spec_1): Add include-fixed directories.
3680
3681 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3682
3683         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
3684         _smulsi3_highpart.
3685         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
3686         New functions.
3687         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
3688         patterns.
3689
3690 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
3691
3692         * c-common.c (get_priority): Add check for
3693         SUPPORTS_INIT_PRIORITY.
3694
3695 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3696
3697         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
3698
3699         * config/bfin/bfin.c: Include "cfglayout.h".
3700         (MAX_LSETUP_DISTANCE): New macro.
3701         (struct loop_info): New members incoming, incoming_src and
3702         incoming_dest.  Delete member predecessor.
3703         (length_for_loop): New function.
3704         (bfin_optimize_loop): Handle more different loop structures.
3705         (bfin_discover_loop): Rework detection of predecessor blocks by
3706         examining incoming edges.
3707         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
3708         bfin_reorg_loops.
3709         (bfin_reorder_loops): New function.
3710         (bfin_reorg_loops): Use these three new functions.
3711
3712         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
3713         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
3714         (CONSTRAINT_LEN): Add entry for 'q'.
3715         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
3716         Add 'q' constraints.
3717         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
3718         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
3719
3720         * config/bfin/bfin.md (add_with_carry): New pattern.
3721         (s_or_u, su_optab, su_modifier): New code macros/attrs.
3722         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
3723         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
3724         support unsigned multiplies too.  Removed incorrect commutativity from
3725         operand 1 constraint where appropriate.
3726         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
3727         patterns.
3728         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
3729         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
3730         New patterns.
3731         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
3732         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
3733         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
3734         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
3735         usmulhisi_hh_huh): New patterns.
3736
3737         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
3738         lshifthi3): Fix output template to use half reg for operand 2.
3739
3740         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
3741         instead of R2.
3742
3743         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
3744
3745 2007-02-27  Andreas Schwab  <schwab@suse.de>
3746
3747         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
3748
3749 2007-02-27  Jan Hubicka  <jh@suse.cz>
3750
3751         * predict.c (last_basic_block_p): Remove.
3752         (tree_estimate_probability): Update return heuristic for commonized
3753         return blocks.
3754
3755 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3756
3757         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
3758
3759 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3760
3761         * doc/include/gcc-common.texi (versionsubtitle): New macro.
3762         * doc/cpp.texi: Standardize title page.
3763         * doc/cppinternals.texi: Likewise.
3764         * doc/gcc.texi: Standardize title page, remove version number
3765         from copyright page.
3766         * doc/gccint.texi: Likewise.
3767         * doc/install.texi: Standardize title page, add table of
3768         contents.
3769
3770 2007-02-26  Jan Hubicka  <jh@suse.cz>
3771
3772         * predict.def: Set outcomes according to more recent results.
3773         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
3774         Remove dead predictors.
3775         * predict.c (return_prediction): Fix pasto.
3776
3777 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3778
3779         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
3780         change; avoid a memory leak when returning early.
3781
3782 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
3783
3784         * c-decl.c (static_ctors): Move to c-common.c.
3785         (static_dtors): Likewise.
3786         (finish_function): Use c_record_cdtor_fn.
3787         (build_cdtor): Move to c-common.c.
3788         (c_write_global_declarations): Use c_build_cdtor_fns.
3789         * c-common.h (static_ctors): Declare.
3790         (static_dtors): Likewise.
3791         (c_record_cdtor_fn): Likewise.
3792         (c_build_cdtor_fns): Likewise.
3793         * c-common.c (static_ctors): New variable.
3794         (static_dtors): Likewise.
3795         (c_record_cdtor_fn): New function.
3796         (build_cdtor): Move from c-decl.c
3797         (c_build_cdtor_fns): New function.
3798
3799         * output.h (assemble_addr_to_section): Declare.
3800         (get_cdtor_priority_section): Likewise.
3801         * varasm.c (assemble_addr_to_section): New function.
3802         (get_cdtor_priority_section): Likewise.
3803         (default_named_section_asm_out_destructor): Use them.
3804         (destor_dtor_section_asm_out_destructor): Likewise.
3805         (default_named_section_asm_out_constructor): Likewise.
3806         (default_ctor_section_asm_out_constructor): Likewise.
3807         * config.gcc (*-*-vxworks*): Include vxworks.o.
3808         * config/t-vxworks (vxworks.o): New target.
3809         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
3810         (TARGET_ASM_CONSTRUCTOR): Define.
3811         (TARGET_ASM_DESTRUCTOR): Likewise.
3812         (vxworks_asm_out_constructor): Declare.
3813         (vxworks_asm_out_destructor): Likewise.
3814
3815         * c-common.c (get_priority): Check that we have not just an
3816         INTEGER_CST, but an integer constant with integeral type.
3817
3818 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
3819
3820         PR tree-optimization/30938
3821         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
3822         use &dt[nargs-1] instead of &dt[nargs] in the call to
3823         vect_is_simple_use().
3824
3825 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
3826
3827         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
3828         from register elimination as PRE_MODIFY / POST_MODIFY increments.
3829         Do not attempt to handle MEM inside auto-inc expressions.
3830         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
3831         of a register modified by an auto-inc expression.  However, do handle
3832         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
3833         (elimination_effects): Prohibit elimination of a register modified
3834         by an auto-inc expression.  Disable register elimination rules whose
3835         target register is modified by an auto-inc expression with variable
3836         increment.
3837
3838 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3839
3840         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
3841         off-by-one error.
3842         (array_at_struct_end_p): New function.
3843         (idx_infer_loop_bounds): Use it.
3844         (estimate_numbers_of_iterations_loop): Export.
3845         * predict.c (predict_loops): Use estimated_loop_iterations_int.
3846         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
3847         (tree_estimate_probability): Call record_loop_exits.
3848         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
3849         (estimated_loop_iterations, estimated_loop_iterations_int,
3850         estimated_loop_iterations_tree): New functions.
3851         (analyze_siv_subscript_cst_affine,
3852         compute_overlap_steps_for_affine_1_2,
3853         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
3854         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
3855         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
3856         (PRED_LOOP_ITERATIONS_GUESSED): New.
3857         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
3858         * cfgloop.h (estimate_numbers_of_iterations_loop,
3859         estimated_loop_iterations_int): Declare.
3860
3861 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
3862
3863         * doc/extend.texi: Document optional priority argument to
3864         constructors and destructors.
3865         * tree.c (init_priority_for_decl): Adjust GTY markers.
3866         (init_ttree): Use priority-info hash functions for
3867         init_priority_for_decl.
3868         (tree_map_eq): Rename to ...
3869         (tree_map_base_eq): ... this.
3870         (tree_map_marked_p): Rename to ...
3871         (tree_map_base_marked_p): ... this.
3872         (tree_map_base_hash): New function.
3873         (decl_init_priority_lookup): Rework.
3874         (decl_fini_priority_lookup): New function.
3875         (decl_priority_info): New function.
3876         (decl_init_priority_insert): Use it.
3877         (decl_fini_priority_insert): Likewise.
3878         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
3879         hierarchy.
3880         (decl_restrict_base_insert): Likewise.
3881         (decl_debug_expr_insert): Likewise.
3882         (decl_value_expr_lookup): Likewise.
3883         (decl_value_expr_insert): Likewise.
3884         * tree.h (priority_type): New type.
3885         (decl_init_priority_lookup): Use priority_type.
3886         (decl_fini_priority_lookup): New function.
3887         (decl_init_priority_insert): Use priority_type.
3888         (decl_fini_priority_insert): New function.
3889         (DECL_HAS_INIT_PRIORITY): Tweak comments.
3890         (DECL_INIT_PRIORITY): Likewise.
3891         (SET_DECL_INIT_PRIORITY): Add comment.
3892         (DECL_FINI_PRIORITY): New macro.
3893         (SET_DECL_FINI_PRIORITY): Likewise.
3894         (DEFAULT_INIT_PRIORITY): Document.
3895         (MAX_INIT_PRIORITY): Likewise.
3896         (MAX_RESERVED_INIT_PRIORITY): Likewise.
3897         (tree_map_base): New type.
3898         (tree_map_base_eq): New function.
3899         (tree_map_base_hash): Likewise.
3900         (tree_map_base_marked_p): Likewise.
3901         (tree_map): Inherit from tree_map_base.
3902         (tree_map_eq): Make it a macro.
3903         (tree_map_marked_p): Likewise.
3904         (tree_int_map): Inherit from tree_map_base.
3905         (tree_int_map_eq): Make it a macro.
3906         (tree_int_map_hash): Likewise.
3907         (tree_int_map_marked_p): Likewise.
3908         (tree_priority_map): New type.
3909         (tree_priority_map_eq): New macro.
3910         (tree_priority_map_hash): Likewise.
3911         (tree_priority_map_marked_p): Likewise.
3912         * varasm.c (emults_decl): Adjust for refactoring of tree_map
3913         hierarchy.
3914         (emutls_common_1): Likewise.
3915         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
3916         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
3917         of tree_map hierarchy.
3918         * tree-cfg.c (move_stmt_r): Likewise.
3919         (new_label_mapper): Likewise.
3920         * c-tree.h (c_expand_body): Move to ...
3921         * c-common.h (c_expand_body): ... here.
3922         * c-decl.c (c_expand_body): Move to ...
3923         * c-common.c (c_expand_body): ... here.
3924         (c_common_attribute_table): Allow 1 argument for the constructor
3925         and destructor attributes.
3926         (get_priority): New function.
3927         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
3928         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
3929
3930 2007-02-24  Jan Hubicka  <jh@suse.cz>
3931
3932         PR middle-end/30509
3933         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
3934
3935 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3936             Jan Hubicka  <jh@suse.cz>
3937
3938         PR target/30778
3939         * i386.c (counter_mode): New function.
3940         (expand_set_or_movmem_via_loop): Use it.
3941         (expand_movmem_epilogue): Likewise; fix pasto.
3942         (ix86_expand_movmem): Do emit guard even for constant counts.
3943         (ix86_expand_setmem): Likewise.
3944
3945 2007-02-25  Nick Clifton  <nickc@redhat.com>
3946
3947         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
3948         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3949
3950 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
3951
3952         PR target/30770
3953         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
3954         count argument with 0x10, not with 0x16.
3955         (expand_setmem_epilogue): Ditto.
3956
3957 2007-02-24  Mike Stump  <mrs@apple.com>
3958
3959         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
3960         symbols.
3961
3962 2007-02-24  Richard Guenther  <rguenther@suse.de>
3963
3964         PR middle-end/30951
3965         * fold-const.c (fold_binary): Fold x +- CST op x for
3966         EQ_EXPR and NE_EXPR.
3967
3968 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3969
3970         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
3971
3972 2007-02-24  Jan Hubicka  <jh@suse.cz>
3973
3974         * cgraphunit.c (decide_is_function_needed): Honor
3975         -fkeep-inline-functions.
3976
3977 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3978
3979         * builtins.c (fold_builtin_modf): New.
3980         (fold_builtin_2): Use it.
3981
3982 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3983
3984         * loop-iv.c (implies_p): Detect additional cases where A implies B.
3985         (determine_max_iter): Take additional LOOP arg; all callers changed.
3986         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
3987         one using simplifications.
3988         (simplify_using_initial_values): Return if the expression becomes
3989         invalid due to altered regs.
3990
3991 2007-02-23  DJ Delorie  <dj@redhat.com>
3992
3993         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
3994
3995 2007-02-23  Mike Stump  <mrs@apple.com>
3996
3997         * tlink.c (scan_linker_output): Parse linker messages from
3998         darwin9's linker better.
3999
4000 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4001
4002         PR debug/29614
4003         * varpool.c (varpool_assemble_pending_decls):  Set
4004         varpool_last_needed_node to null.
4005
4006 2007-02-23  DJ Delorie  <dj@redhat.com>
4007
4008         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4009         alignment bigger than the object file can handle.
4010
4011 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4012
4013         PR target/30825
4014         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4015         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4016         (*movsf_1): Penalize MMX moves.
4017
4018 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4019
4020         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4021         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4022
4023         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4024
4025 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4026
4027         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4028         (fold_builtin_1): Use them.
4029         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4030         BUILT_IN_SIGNIFICAND.
4031
4032 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4033
4034         * config/i386/i386.c (bdesc_1arg): Initialize
4035         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
4036         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
4037         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
4038         and IX86_BUILTIN_MOVSLDUP.
4039
4040 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
4041
4042         PR rtl-optimization/30841
4043         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
4044
4045 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4046
4047         * builtins.c (fold_builtin_frexp): New.
4048         (fold_builtin_2): Use it.
4049
4050 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4051
4052         * doc/invoke.texi (Spec Files): Document getenv spec function.
4053
4054         * gcc.c (getenv_spec_function): New function.
4055         (static_spec_functions): Add it.
4056         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4057         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4058         header files.
4059
4060 2007-02-22  Michael Matz  <matz@suse.de
4061
4062         PR c++/29433
4063         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4064         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4065
4066 2007-02-22  Ian Lance Taylor  <iant@google.com>
4067
4068         PR debug/30898
4069         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4070         (mem_loc_descriptor): Call it.
4071
4072 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
4073             Ira Rosen  <irar@il.ibm.com>
4074
4075         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
4076
4077 2007-02-22  Ira Rosen  <irar@il.ibm.com>
4078
4079         PR tree-optimization/30843
4080         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
4081         stores only after all the group is vectorized.
4082
4083 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
4084
4085         PR tree-optimization/30858
4086         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
4087         in the reduction cycle have a single use in the loop.
4088         * tree-vectorizer.h (relevant): Add documentation.
4089
4090 2007-02-20  Mike Stump  <mrs@apple.com>
4091
4092         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
4093         * configure: Regenerate.
4094
4095 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4096
4097         Change the defaults of some parameters and options.
4098         * config/spu/spu-protos.h (spu_optimization_options): Declare.
4099         * config/spu/spu.c (spu_optimization_options): Add.
4100         (spu_override_options): Change params in spu_optimization_options.
4101         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
4102
4103         Register 127 is only 16 byte aligned when used as a frame pointer.
4104         * config/spu/spu-protos.h (spu_init_expanders): Declare.
4105         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
4106         HARD_FRAME_POINTER_REGNUM.
4107         (spu_legitimate_address):  Use regno_aligned_for_reload.
4108         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
4109         aligned when frame_pointer_needed is true.
4110         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
4111         to 8 bits.
4112         * config/spu/spu.h (INIT_EXPANDERS): Define.
4113
4114         Make sure shift and rotate instructions have valid immediate operands.
4115         * config/spu/predicates.md (spu_shift_operand): Remove.
4116         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
4117         * config/spu/constraints.md (W, O): Extend range.
4118         * config/spu/spu.md (umask, nmask): Define.
4119         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
4120         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
4121         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
4122         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
4123         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
4124         (lshr<mode>3_reg):  Fix rtl description.
4125
4126         Make sure mulhisi immediate operands are valid.
4127         * config/spu/predicates.md (imm_K_operand): Add.
4128         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
4129
4130         Generate constants using fsmbi and andi.
4131         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
4132         (print_operand, spu_split_immediate, classify_immediate,
4133         fsmbi_const_p): Handle IC_FSMBI2.
4134
4135         Correctly handle a CONST_VECTOR containing symbols.
4136         * config/spu/spu.c (print_operand): Handle HIGH correctly.
4137         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
4138         (immediate_load_p): Allow symbols that use 2 instructions to create.
4139         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
4140         with symbols when flag_pic is set.
4141         (const_vector_immediate_p): New.
4142         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
4143         accept a CONST_VECTOR with symbols.
4144         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
4145         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
4146         correctly.
4147         * config/spu/spu.md (high, low): Delete.
4148         (low_<mode>): Define.
4149
4150         Remove INTRmode and INTR_REGNUM, which didn't work.
4151         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
4152         of INTR_REGNUM.
4153         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
4154         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
4155         peephole2 pattern): Don't use INTR or 131.
4156         (movintrcc): Delete.
4157         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
4158         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
4159         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
4160         (UNSPEC_SET_INTR): Add.
4161         * config/spu/spu-modes.def (INTR): Remove.
4162
4163         More accurate warnings about run-time relocations.
4164         * config/spu/spu.c (reloc_diagnostic): Test in_section.
4165
4166         Correctly warn about immediate arguments to specific intrinsics.
4167         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
4168         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
4169         the instruction predicate.
4170
4171         Fix tree check errors with latest update.
4172         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
4173         CALL_EXPR_ARG.
4174         (spu_expand_builtin): Use CALL_EXPR_FN.
4175
4176         Add missing specific intrinsics.
4177         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
4178         si_bislede.
4179         * config/spu/spu_internals.h: Ditto.
4180
4181         Fix incorrect operand modifiers.
4182         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
4183         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
4184
4185         Optimize one case of zero_extend of a vec_select.
4186         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
4187
4188         Accept any immediate for hbr.
4189         * config/spu/spu.md (hbr):  Change s constraints to i.
4190
4191 2007-02-21  Paul Brook  <paul@codesourcery.com>
4192
4193         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4194         condexec_count when skipping USE and CLOBBER.
4195
4196 2007-02-21  Nick Clifton  <nickc@redhat.com>
4197
4198         * common.opt (Warray-bounds): Add Warning attribute.
4199         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
4200         Likewise.
4201         (fsized-zeroes): Add Optimization attribute.
4202         (fsplit-wide-types, ftree-scev-cprop): Likewise.
4203         * c.opt (Wc++0x-compat): Add Warning attribute.
4204
4205 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4206
4207         PR middle-end/30761
4208         * reload1.c (eliminate_regs_in_insn): In the single_set special
4209         case, attempt to re-recognize the insn before falling back to
4210         having reload fix it up.
4211
4212 2007-02-20  Eric Christopher  <echristo@gmail.com>
4213
4214         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4215         Rewrite accordingly.
4216         (frv_read_iacc_argument): Ditto.
4217         (frv_expand_set_builtin): Take a call instead of arglist, update for
4218         above changes.
4219         (frv_expand_unop_builtin): Ditto.
4220         (frv_expand_binop_builtin): Ditto.
4221         (frv_expand_cut_builtin): Ditto.
4222         (frv_expand_binopimm_builtin): Ditto.
4223         (frv_expand_voidbinop_builtin): Ditto.
4224         (frv_expand_int_void2arg): Ditto.
4225         (frv_expand_prefetches): Ditto.
4226         (frv_expand_voidtriop_builtin): Ditto.
4227         (frv_expand_voidaccop_builtin): Ditto.
4228         (frv_expand_load_builtin): Ditto.
4229         (frv_expand_store_builtin): Ditto.
4230         (frv_expand_mdpackh_builtin): Ditto.
4231         (frv_expand_mclracc_builtin): Ditto.
4232         (frv_expand_mrdacc_builtin): Ditto.
4233         (frv_expand_mwtacc_builtin): Ditto.
4234         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
4235         calls for above.
4236
4237 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
4238
4239         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
4240         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
4241         cmpb instruction.
4242         (HAVE_GAS_DFP): Check for assembler support of decimal floating
4243         point instructions.
4244         * configure: Regenerate.
4245         * config.in: Regenerate.
4246         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
4247         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
4248         masks to power6 and power6x and to POWERPC_MASKS.
4249         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4250         _ARCH_PWR6.
4251         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
4252         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
4253         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4254         Access PROTOTYPE as variable, not mask.
4255
4256 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4257
4258         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
4259         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
4260         * combine.c (adjust_for_new_dest): Use it.
4261         * postreload.c (reload_combine): Likewise.
4262
4263 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4264
4265         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
4266         notes on an insn with multiple sets, even if single_set returns
4267         non-NULL for that insn.
4268
4269 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4270
4271         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
4272         scalbn and scalbln.
4273
4274 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
4275
4276         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
4277         if user didn't pass it.
4278         * config/i386/darwin.h (CC1_SPEC): Likewise.
4279         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
4280         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
4281         -mmacosx-version-min.
4282
4283 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4284             Uros Bizjak  <ubizjak@gmail.com>
4285
4286         * optabs.h (enum optab_index): Add new OTI_scalb.
4287         (scalb_optab): Define corresponding macro.
4288         * optabs.c (init_optabs): Initialize scalb_optab.
4289         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
4290         patterns.
4291         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
4292         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
4293         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
4294         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
4295         flag_unsafe_math_optimizations is set.
4296
4297         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
4298         to implement scalbf, scalb and scalbl built-ins as inline x87
4299         intrinsics.
4300
4301 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4302             DJ Delorie <dj@redhat.com>
4303
4304         PR other/30824
4305         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
4306         (diagnostic_report_diagnostic): ... here, and turn them into real
4307         errors. If warnings are inhibited, no need to do anything.
4308
4309 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
4310
4311         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
4312         better code generation.
4313
4314 2007-02-20  Ben Elliston  <bje@au.ibm.com>
4315
4316         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
4317
4318 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
4319
4320         * config/alpha/alpha.c, config/alpha/alpha.md,
4321         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
4322         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
4323         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
4324         config/arm/lib1funcs.asm: Follow spelling conventions.
4325
4326         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
4327         config/fr30/fr30.md, config/i386/i386.h,
4328         config/iq2000/iq2000.h, config/iq2000/predicates.md,
4329         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
4330         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
4331         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
4332         config/rs6000/altivec.md, config/rs6000/rs6000.c,
4333         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
4334         config/sparc/sparc.c, config/sparc/sparc.h,
4335         config/sparc/sparc.md, config/spu/constraints.md,
4336         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
4337         conventions.
4338
4339 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
4340
4341         PR target/29943
4342         * varasm.c (use_blocks_for_decl_p): Return false for decls with
4343         alias attribute.
4344
4345 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4346
4347         * doc/invoke.texi (-ftree-lrs): Remove.
4348
4349 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
4350
4351         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
4352         NULL.
4353
4354 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
4355
4356         * config/ia64/ia64.c (ia64_expand_builtin): Use the
4357         new CALL_EXPR_FN macro for retrieving the function
4358         declaration of the input expression.
4359
4360 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4361
4362         * c.opt (Waddress): New.
4363         * common.opt (Walways-true): Delete.
4364         (Wstring-literal-comparison): Delete.
4365         * doc/invoke.texi (Warning Options): Delete -Walways-true and
4366         -Wstring-literal-comparison. Add -Waddress.
4367         (Waddress): New.
4368         (Walways-true): Delete.
4369         (Wstring-literal-comparison): Delete.
4370         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
4371         consistently instead of -Walways-true in example.
4372         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
4373         * c-typeck.c (parser_build_binary_op): Replace
4374         -Wstring-literal-comparison and -Walways-true with -Waddress.
4375         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
4376         with -Waddress.
4377
4378 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4379
4380         * tree-cfg.c (dump_function_to_file): Be prepared for functions
4381         without DECL_STRUCT_FUNCTION initialized.
4382
4383 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4384
4385         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
4386         due to calls to functions taking pointers as parameters.
4387
4388 2007-02-19  Richard Henderson  <rth@redhat.com>
4389
4390         PR debug/29558
4391         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
4392         in memory.
4393
4394 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4395
4396         * config/s390/s390.c (s390_call_saved_register_used,
4397         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
4398         accessed to the new scheme.
4399
4400 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4401
4402         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
4403         (cris_print_index, cris_print_operand, cris_print_operand_address)
4404         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
4405         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
4406         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
4407         GET_CODE () == xxx.
4408         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
4409         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
4410         GO_IF_LEGITIMATE_ADDRESS): Ditto.
4411         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
4412         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
4413         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
4414         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
4415         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
4416         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
4417         (uminsi3, call, call_value): Ditto.
4418         (define_split: indir_to_reg_split, unnamed): Ditto.
4419
4420 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
4421
4422         PR tree-optimization/30975
4423         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
4424         wrong assert.
4425
4426 2007-02-18  Eric Christopher  <echristo@gmail.com>
4427
4428         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
4429         Remove use of arglist.
4430         (mips_expand_builtin): Remove use of arglist, pass in expr.
4431         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
4432         (mips_expand_builtin_movtf): Ditto.
4433         (mips_expand_builtin_compare): Ditto.
4434
4435 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4436
4437         * tree-sra.c (sra_build_assignment): Replace assertion
4438         checking with a comment explaining why it can't be done.
4439
4440 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4441
4442         PR middle-end/30833
4443         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
4444         during CALL_EXPR representation conversion.
4445         * tree-ssa-propagate.c (set_rhs): Likewise.
4446
4447 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4448
4449         * tree-sra.c (sra_build_assignment): Disable assertion checking
4450         for now.
4451
4452 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4453
4454         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
4455         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4456         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
4457         Likewise.
4458         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
4459         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
4460         gimplify_init_ctor_eval_range, gimple_push_cleanup,
4461         gimplify_omp_for, gimplify_omp_atomic_pipeline,
4462         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
4463         force_gimple_operand): Likewise.
4464         * ipa-cp.c (constant_val_insert): Likewise.
4465         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4466         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
4467         perfect_nestify): Likewise.
4468         * langhooks.c (lhd_omp_assignment): Likewise.
4469         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
4470         lower_copyprivate_clauses, lower_send_clauses,
4471         lower_send_shared_vars, expand_parallel_call,
4472         expand_omp_for_generic, expand_omp_for_static_nochunk,
4473         expand_omp_for_static_chunk, expand_omp_sections,
4474         lower_omp_single_copy, lower_omp_for_lastprivate,
4475         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
4476         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
4477         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
4478         Likewise.
4479
4480 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4481
4482         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
4483         config/sh/sh.md: Follow spelling conventions.
4484
4485         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
4486         config/frv/predicates.md: Follow spelling conventions.
4487
4488         * config/m68k/linux-unwind.h: Fix a comment typo.
4489         * target.h: Follow spelling conventions.
4490
4491 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4492
4493         PR rtl-optimization/28173
4494         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
4495         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
4496         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
4497         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
4498         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
4499
4500 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4501
4502         * builtins.c (fold_builtin_load_exponent): New.
4503         (fold_builtin_2): Use it.
4504
4505 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
4506
4507         PR rtl-optimization/30773
4508         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
4509         if we fail to attach a REG_EQUIV note.
4510
4511 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
4512             Roger Sayle  <roger@eyesopen.com>
4513
4514         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
4515
4516 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4517
4518         * calls.c (initialize_argument_information): Pass original EXP
4519         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
4520         code to split complex arguments here, as part of initializing the
4521         ARGS array.
4522         (expand_call): Remove code that builds a list of arguments and
4523         inserts implicit arguments into it.  Instead, just count how many
4524         implicit arguments there will be so we can determine the size of
4525         the ARGS array, and let initialize_argument_information do the work.
4526         (split_complex_values): Delete unused function.
4527
4528 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4529
4530         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
4531
4532 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4533
4534         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
4535         for arg pointer based indexed addressing.
4536
4537 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4538
4539         * config/ia64/ia64.h, config/ia64/ia64.md,
4540         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
4541         spelling conventions.
4542
4543 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4544
4545         * config/m68k/m68k.c (split_di): New.
4546         * config/m68k/m68k-protos.h: Declare split_di.
4547         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
4548           Improve predicate handling and split constant shifts.
4549
4550 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4551
4552         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
4553         parameter for register bitfield operations, general predicates
4554         cleanup
4555
4556 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4557
4558         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
4559         * config/m68k/linux-unwind.h: New file.
4560
4561 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4562
4563         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
4564         config/i386/athlon.md, config/ia64/ia64.md,
4565         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
4566         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
4567         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
4568         tree-ssa-loop-niter.c, tree-vect-analyze.c,
4569         tree-vect-transform.c: Fix comment typos.
4570
4571 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
4572
4573         * sched-deps.c (find_insn_list): Remove.
4574         * sched-int.h: Remove the prototype for find_insn_list.
4575
4576 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
4577
4578         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
4579         to linker.
4580         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
4581         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
4582         darwin_rs6000_override_options.
4583         (C_COMMON_OVERRIDE_OPTIONS): Expect
4584         darwin_macosx_version_min to be non-NULL always.
4585         (TARGET_C99_FUNCTIONS): Likewise.
4586         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
4587         (DARWIN_MINVERSION_SPEC): New.
4588         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
4589         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
4590         to cc1*.
4591         (DARWIN_MINVERSION_SPEC): New.
4592         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
4593         value.
4594         * config/darwin-c.c (darwin_cpp_builtins): Expect
4595         darwin_macosx_version_min to be non-NULL always.
4596
4597         * config/rs6000/rs6000.c: Clean up trailing whitespace.
4598
4599 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
4600
4601         * config/i386/i386.h (x86_use_xchgb): New.
4602         (TARGET_USE_XCHGB): New macro.
4603         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
4604         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
4605         Split after reload into bswaphi for shifts of 8.
4606         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
4607         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
4608         or when optimizing for size.
4609
4610 2007-02-16  Richard Guenther  <rguenther@suse.de>
4611             Christian Bruel  <christian.bruel@st.com>
4612
4613         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
4614         DECLs but prefer SSA_NAMEs over DECLs.
4615
4616 2007-02-16  Richard Guenther  <rguenther@suse.de>
4617
4618         * tree-flow-inline.h (single_imm_use_p): Remove.
4619         (zero_imm_uses_p): Likewise.
4620         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
4621         instead of single_imm_use_p.
4622         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
4623         zero_imm_uses_p.
4624
4625 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4626
4627         PR other/27843
4628         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
4629         nested double- and backquotes.
4630
4631 2007-02-15  Roger Sayle  <roger@eyesopen.com>
4632
4633         PR middle-end/30391
4634         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
4635         should be unreachable.
4636         (build2_stat): Allow construction of MODIFY_EXPR at any time.
4637         For the time being redirect GIMPLE_MODIFY_STMT to the new
4638         (renamed) build_gimple_modify_stmt_stat.
4639         (build2_gimple_stat): Rename to...
4640         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
4641         Always build a GIMPLE_MODIFY_STMT node.
4642         * tree.h (build2_gimple, build2_gimple_stat): Delete.
4643         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
4644         declarations.
4645
4646         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
4647         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
4648         * tree-complex.c (set_component_ssa_name, expand_complex_move,
4649         expand_complex_div_wide): Likewise.
4650         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
4651         * tree-ssa-loop-im.c (schedule_sm): Likewise.
4652         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
4653         * tree-ssa-loop-manip.c (create_iv): Likewise.
4654         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
4655         abs_replacement): Likewise.
4656         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
4657         realify_fake_stores): Likewise.
4658
4659         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
4660         node rather than a GIMPLE_MODIFY_STMT node.
4661         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
4662         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
4663         Likewise.
4664         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
4665         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
4666         GIMPLE_MODIFY_STMT.
4667
4668 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4669
4670         PR middle-end/30433
4671         * fold-const.c (fold_comparison): Add back the
4672         folding of constant complex comparisions.
4673
4674 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4675
4676         PR middle-end/30729
4677         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
4678         effects unknown to this function, return early.
4679
4680 2007-02-15  Ian Lance Taylor  <iant@google.com>
4681
4682         * lower-subreg.c (move_eh_region_note): New static function.
4683         (resolve_simple_move): Call it.
4684         (decompose_multiword_subregs): Track blocks for which we resolve a
4685         simple move which is also a control flow insn.  Pass them to
4686         find_many_sub_basic_blocks.
4687         (pass_lower_subreg): Add TODO_verify_flow.
4688         (pass_lower_subreg2): Likewise.
4689
4690 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4691             Brooks Moses  <brooks.moses@codesourcery.com>
4692             Lee Millward  <lee.millward@codesourcery.com>
4693
4694         * tree.h (enum tree_code_class): Add tcc_vl_exp.
4695         (VL_EXP_CLASS_P): New.
4696         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
4697         TREE_CODE_LENGTH.
4698         (TREE_OPERAND_CHECK_CODE): Likewise.
4699         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
4700         (TREE_RTL_OPERAND_CHECK): Likewise.
4701         (tree_operand_check_failed): Make second parameter the whole tree
4702         instead of its code.  Fixed callers.
4703         (VL_EXP_CHECK): New.
4704         (TREE_OPERAND_LENGTH): New.
4705         (VL_EXP_OPERAND_LENGTH): New.
4706         (CALL_EXPR_FN): New.
4707         (CALL_EXPR_STATIC_CHAIN): New.
4708         (CALL_EXPR_ARGS): New.
4709         (CALL_EXPR_ARG): New.
4710         (call_expr_nargs): New.
4711         (CALL_EXPR_ARGP): New.
4712         (build_nt_call_list): Declare.
4713         (build_vl_exp_stat): Declare.
4714         (build_vl_exp): New.
4715         (build_call_list): Declare.
4716         (build_call_nary): Declare.
4717         (build_call_valist): Declare.
4718         (build_call_array): Declare.
4719         (call_expr_arg): Declare.
4720         (call_expr_argp): Declare.
4721         (call_expr_arglist): Declare.
4722         (fold_build_call_list): Declare.
4723         (fold_build_call_list_initializer): Declare.
4724         (fold_call_expr): Declare to replace fold_builtin.
4725         (fold_builtin_fputs): Update to agree with modified definition.
4726         (fold_builtin_strcpy): Likewise.
4727         (fold_builtin_strncpy): Likewise.
4728         (fold_builtin_memory_chk): Likewise.
4729         (fold_builtin_stxcpy_chk): Likewise.
4730         (fold_builtin_strncpy_chk): Likewise.
4731         (fold_builtin_next_arg): Likewise.
4732         (fold_build_call_expr): Declare.
4733         (fold_builtin_call_list): Declare.
4734         (fold_builtin_call_valist): Declare.
4735         (build_call_expr): Declare.
4736         (validate_arglist): Update to agree with modified definition.
4737         (tree_operand_length): New.
4738         (call_expr_arg_iterator): New.
4739         (init_call_expr_arg_iterator): New.
4740         (next_call_expr_arg): New.
4741         (first_call_expr_arg): New.
4742         (more_call_expr_args_p): New.
4743         (FOR_EACH_CALL_EXPR_ARG): New.
4744
4745         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
4746         and tcc_gimple_stmt.
4747         (tree_code_size): Update documentation.  Use sizeof (tree) rather
4748         than sizeof (char *).
4749         (tree_size): Likewise.  Add case for tcc_vl_exp.
4750         (tree_node_structure): Add case for tcc_vl_exp.
4751         (contains_placeholder_p): Likewise.
4752         (substitute_in_expr): Likewise.
4753         (substitute_placeholder_in_expr): Likewise.
4754         (stabilize_reference_1): Likewise.
4755         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
4756         to diagnose breakage of this interface for constructing CALL_EXPRs.
4757         (build_nt): Add similar assertion here.
4758         (build_nt_call_list): New.
4759         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
4760         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
4761         TREE_CODE_LENGTH.
4762         (get_callee_fndecl): Use new CALL_EXPR accessors.
4763         (tree_operand_check_failed): Change parameters to pass entire node
4764         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
4765         (process_call_operands): New.
4766         (build_vl_exp_stat): New.
4767         (build_call_list): New.
4768         (build_call_nary): New.
4769         (build_call_valist): New.
4770         (build_call_array): New.
4771         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4772         (call_expr_arglist): New.
4773
4774         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
4775         tcc_vl_exp instead of a fixed-size tcc_expression.
4776
4777         * doc/c-tree.texi (CALL_EXPR): Document new representation and
4778         accessors for CALL_EXPRs.
4779         (AGGR_INIT_EXPR): Likewise.
4780
4781 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4782             Brooks Moses  <brooks.moses@codesourcery.com>
4783             Lee Millward  <lee.millward@codesourcery.com>
4784
4785         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
4786         (expand_builtin_nonlocal_goto): Change parameter to be entire
4787         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
4788         (expand_builtin_prefetch): Likewise.
4789         (expand_builtin_classify_type): Likewise.
4790         (mathfn_built_in): Return NULL_TREE instead of 0.
4791         (expand_errno_check): Use new CALL_EXPR accessors.
4792         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
4793         Return NULL_RTX instead of 0.
4794         (expand_builtin_mathfn_2): Likewise.
4795         (expand_builtin_mathfn_3): Likewise.
4796         (expand_builtin_interclass_mathfn): Likewise.
4797         (expand_builtin_sincos): Likewise.
4798         (expand_builtin_cexpi): Likewise.
4799         (expand_builtin_int_roundingfn): Likewise.
4800         (expand_builtin_int_roundingfn_2): Likewise.
4801         (expand_builtin_pow): Likewise.
4802         (expand_builtin_powi): Likewise.
4803         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
4804         of arglist, fixing callers appropriately.  Use new CALL_EXPR
4805         accessors and constructors.  Return NULL_RTX instead of 0.
4806         (expand_builtin_strstr): Likewise.
4807         (expand_builtin_strchr): Likewise.
4808         (expand_builtin_strrchr): Likewise.
4809         (expand_builtin_strpbrk): Likewise.
4810         (expand_builtin_memcpy): Likewise.
4811         (expand_builtin_mempcpy): Likewise.
4812         (expand_builtin_mempcpy_args): New.
4813         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
4814         (expand_builtin_memmove_args): New.
4815         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
4816         (expand_movstr): Likewise.
4817         (expand_builtin_strcpy): Likewise.
4818         (expand_builtin_strcpy_args): New.
4819         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
4820         (expand_builtin_strncpy): Likewise.
4821         (expand_builtin_memset): Likewise.
4822         (expand_builtin_memset_args): New.
4823         (expand_builtin_bzero): Similarly to expand_builtin_memset.
4824         (expand_builtin_memcmp): Likewise.
4825         (expand_builtin_strcmp): Likewise.
4826         (expand_builtin_strncmp): Likewise.
4827         (expand_builtin_strcat): Likewise.
4828         (expand_builtin_strncat): Likewise.
4829         (expand_builtin_strspn): Likewise.
4830         (expand_builtin_strcspn): Likewise.
4831         (expand_builtin_args_info): Likewise.
4832         (expand_builtin_va_start): Likewise.
4833         (gimplify_va_arg_expr): Likewise.
4834         (expand_builtin_va_end): Likewise.
4835         (expand_builtin_va_copy): Likewise.
4836         (expand_builtin_frame_address): Likewise.
4837         (expand_builtin_alloca): Likewise.
4838         (expand_builtin_bswap): Likewise.
4839         (expand_builtin_unop): Likewise.
4840         (expand_builtin_fputs): Likewise.
4841         (expand_builtin_expect): Likewise.
4842         (expand_builtin_fabs): Likewise.
4843         (expand_builtin_copysign): Likewise.
4844         (expand_builtin_printf): Likewise.
4845         (expand_builtin_fprintf): Likewise.
4846         (expand_builtin_sprintf): Likewise.
4847         (expand_builtin_init_trampoline): Likewise.
4848         (expand_builtin_signbit): Likewise.
4849         (expand_builtin_fork_or_exec): Likewise.
4850         (expand_builtin_sync_operation): Likewise.
4851         (expand_builtin_compare_and_swap): Likewise.
4852         (expand_builtin_lock_test_and_set): Likewise.
4853         (expand_builtin_lock_release): Likewise.
4854         (expand_builtin): Likewise.
4855         (builtin_mathfn_code): Likewise.
4856
4857         (fold_builtin_constant_p): Pass call arguments individually instead
4858         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4859         accessors and constructors.  Return NULL_TREE instead of 0.
4860         (fold_builtin_expect): Likewise.
4861         (fold_builtin_classify_type): Likewise.
4862         (fold_builtin_strlen): Likewise.
4863         (fold_builtin_nan): Likewise.
4864         (integer_valued_real_p): Likewise.
4865         (fold_trunc_transparent_mathfn): Likewise.
4866         (fold_fixed_mathfn): Likewise.
4867         (fold_builtin_cabs): Likewise.
4868         (fold_builtin_sqrt): Likewise.
4869         (fold_builtin_cbrt): Likewise.
4870         (fold_builtin_cos): Likewise.
4871         (fold_builtin_cosh): Likewise.
4872         (fold_builtin_tan): Likewise.
4873         (fold_builtin_sincos): Likewise.
4874         (fold_builtin_cexp): Likewise.
4875         (fold_builtin_trunc): Likewise.
4876         (fold_builtin_floor): Likewise.
4877         (fold_builtin_ceil): Likewise.
4878         (fold_builtin_round): Likewise.
4879         (fold_builtin_int_roundingfn): Likewise.
4880         (fold_builtin_bitop): Likewise.
4881         (fold_builtin_bswap): Likewise.
4882         (fold_builtin_logarithm): Likewise.
4883         (fold_builtin_hypot): Likewise.
4884         (fold_builtin_pow): Likewise.
4885         (fold_builtin_powi): Likewise.
4886         (fold_builtin_exponent): Likewise.
4887         (fold_builtin_memset): Likewise.
4888         (fold_builtin_bzero): Likewise.
4889         (fold_builtin_memory_op): Likewise.
4890         (fold_builtin_bcopy): Deleted; call site changed to invoke
4891         fold_builtin_memory_op directly.
4892         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
4893         (fold_builtin_strncpy): Likewise.
4894         (fold_builtin_memcmp): Likewise.
4895         (fold_builtin_strcmp): Likewise.
4896         (fold_builtin_strncmp): Likewise.
4897         (fold_builtin_signbit): Likewise.
4898         (fold_builtin_copysign): Likewise.
4899         (fold_builtin_isascii): Likewise.
4900         (fold_builtin_toascii): Likewise.
4901         (fold_builtin_isdigit): Likewise.
4902         (fold_builtin_fabs): Likewise.
4903         (fold_builtin_abs): Likewise.
4904         (fold_builtin_fmin_fmax): Likewise.
4905         (fold_builtin_carg): Likewise.
4906         (fold_builtin_classify): Likewise.
4907         (fold_builtin_unordered_cmp): Likewise.
4908
4909         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
4910         New functions split out from fold_builtin_1.
4911         (fold_builtin_n): New.
4912         (fold_builtin_varargs): New.
4913         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
4914         instead.
4915         (fold_call_expr): New.
4916         (build_function_call_expr): Rewrite to use new helper function.
4917         (fold_builtin_call_list): New.
4918         (build_call_expr): New.
4919         (fold_builtin_call_valist): New.
4920         (rewrite_call_expr): New.
4921         (validate_arg): New.
4922         (validate_arglist): Change parameter to be entire CALL_EXPR instead
4923         of an arglist.  Change return type to bool.  Use new CALL_EXPR
4924         accessors.
4925
4926         (fold_builtin_strstr):  Pass call arguments individually instead
4927         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4928         accessors and constructors.  Return NULL_TREE instead of 0.
4929         (fold_builtin_strchr): Likewise.
4930         (fold_builtin_strrchr): Likewise.
4931         (fold_builtin_strpbrk): Likewise.
4932         (fold_builtin_strcat): Likewise.
4933         (fold_builtin_strncat): Likewise.
4934         (fold_builtin_strspn): Likewise.
4935         (fold_builtin_strcspn): Likewise.
4936         (fold_builtin_fputs): Likewise.
4937         (fold_builtin_next_arg): Likewise.
4938         (fold_builtin_sprintf): Likewise.
4939
4940         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
4941         NULL_RTX instead of 0.
4942         (expand_builtin_memory_chk): Likewise.
4943         (maybe_emit_chk_warning): Likewise.
4944         (maybe_emit_sprintf_chk_warning): Likewise.
4945
4946         (fold_builtin_object_size): Pass call arguments individually instead
4947         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
4948         accessors and constructors.  Return NULL_TREE instead of 0.
4949         (fold_builtin_memory_chk): Likewise.
4950         (fold_builtin_stxcpy_chk): Likewise.
4951         (fold_builtin_strncpy_chk): Likewise.
4952         (fold_builtin_strcat_chk): Likewise.
4953         (fold_builtin_strcat_chk): Likewise.
4954         (fold_builtin_strncat_chk): Likewise.
4955         (fold_builtin_sprintf_chk): Likewise.
4956         (fold_builtin_snprintf_chk): Likewise.
4957         (fold_builtin_printf): Likewise.
4958         (fold_builtin_vprintf): Likewise.
4959
4960         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
4961         constructors.
4962         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
4963         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4964         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
4965         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
4966         (fold_unary): Likewise.
4967         (fold_binary): Likewise.
4968         (fold_ternary): Remove CALL_EXPR case, since they are no longer
4969         ternary expressions.
4970         (fold): Add logic for tcc_vl_exp.
4971         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
4972         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4973         (fold_build3_stat): Add assertion to flag broken interface for
4974         constructing CALL_EXPRs.
4975         (fold_build_call_list): New.
4976         (fold_build_call_list_initializer): New.
4977         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
4978         constructors.
4979         (fold_strip_sign_ops): Likewise.
4980
4981 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4982             Brooks Moses  <brooks.moses@codesourcery.com>
4983             Lee Millward  <lee.millward@codesourcery.com>
4984
4985         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
4986         accessors and dump arguments explicitly.
4987
4988         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
4989         TREE_CODE_LENGTH.
4990         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
4991         explicitly.
4992         (print_call_name): Use new CALL_EXPR accessors.
4993
4994         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
4995         CALL_EXPR arguments explicitly instead of as a list.  Use
4996         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
4997
4998         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
4999         (vrp_visit_stmt): Likewise.
5000
5001         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5002         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5003         TREE_CODE_LENGTH.
5004         (force_move_till_expr): Likewise.
5005
5006         * targhooks.c (default_external_stack_protect_fail): Use
5007         build_call_expr instead of build_function_call_expr.
5008         (default_hidden_stack_protect_fail): Likewise.
5009
5010         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5011         build the call.
5012
5013         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5014         and walk arguments explicitly.
5015
5016         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5017         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5018         (expand_simple_operations): Likewise.
5019         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5020
5021         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5022         of TREE_CODE_LENGTH.
5023         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5024
5025         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5026         instead of TREE_CODE_LENGTH.
5027
5028         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
5029         (tree_ic_transform): Likewise.
5030         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
5031         parameter instead of arglist.  Fix callers.
5032         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
5033         (tree_stringops_transform): Likewise.
5034         (tree_indirect_call_to_profile): Likewise.
5035         (tree_stringops_values_to_profile): Likewise.
5036
5037         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
5038         (eliminate_tail_call): Likewise.
5039
5040         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
5041
5042         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5043         Use TREE_OPERAND_LENGTH and generalize to handle any number of
5044         operands.
5045         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
5046
5047         * omp-low.c (build_omp_barrier): Use build_call_expr.
5048         (lower_rec_input_clauses): Likewise.
5049         (lower_reduction_clauses): Likewise.
5050         (expand_parallel_call): Likewise.
5051         (maybe_catch_exception): Likewise.
5052         (expand_omp_for_generic): Likewise.
5053         (expand_omp_for_static_nochunk): Likewise.
5054         (expand_omp_sections): Likewise.
5055         (lower_omp_single_simple): Likewise.
5056         (lower_omp_single_copy): Likewise.
5057         (lower_omp_master): Likewise.
5058         (lower_omp_ordered): Likewise.
5059         (lower_omp_critical): Likewise.
5060
5061         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5062         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5063
5064         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5065         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5066         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5067
5068         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5069         and generalize to handle any number of operands.
5070         (chrec_contains_undetermined): Likewise.
5071         (tree_contains_chrecs): Likewise.
5072         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
5073
5074         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
5075
5076         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
5077         fold_call_expr instead of fold_builtin.
5078         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
5079         match declarations there.
5080         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
5081         updates.
5082
5083         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
5084         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5085
5086         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
5087         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
5088
5089         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
5090         accessors.
5091
5092         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
5093         (execute_cse_sincos): Use new CALL_EXPR accessors.
5094
5095         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
5096
5097         * gimple-low.c (lower_function_body): Use build_call_expr.
5098         (lower_builtin_setjmp): Likewise.
5099
5100         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
5101         (set_storage_via_libcall): Likewise.
5102         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
5103         instead of TREE_CODE_LENGTH.
5104         (expand_expr_real_1): Use new CALL_EXPR accessors.
5105
5106         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
5107         generalize to handle any number of operands.
5108         (TB_parent_eq): Likewise.
5109
5110         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
5111         (strip_builtin_expect): Likewise.
5112
5113         * function.c (gimplify_parameters): Use build_call_expr.
5114
5115         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
5116         instead of TREE_CODE_LENGTH.
5117
5118         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
5119         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
5120
5121         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
5122         iterators.
5123
5124         * gimplify.c (build_stack_save_restore): Use build_call_expr.
5125         (gimplify_decl_expr): Likewise.
5126         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
5127         Use new CALL_EXPR iterators.
5128         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
5129         (gimplify_modify_expr_to_memset): Likewise.
5130         (gimplify_variable_sized_compare): Likewise.
5131         (gimplify_omp_atomic_fetch_op): Likewise.
5132         (gimplify_omp_atomic_pipeline): Likewise.
5133         (gimplify_omp_atomic_mutex): Likewise.
5134         (gimplify_function_tree): Likewise.
5135
5136         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
5137         (call_expr_flags): Likewise.
5138         (expand_call): Likewise.
5139
5140         * except.c (expand_builtin_eh_return_data_regno): Pass entire
5141         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5142         accessors.
5143
5144         * coverage.c (create_coverage): Use build_call_expr.
5145
5146         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
5147         (temp_call_expr_obstack): New.
5148         (pool_copy_list): Delete.
5149         (temp_copy_call_expr): New.
5150         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
5151         CALL_EXPR accessors.  Get rid of special goo for copying argument
5152         lists and use temp_copy_call_expr instead.
5153         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
5154         CALL_EXPR accessors.
5155         (create_expression_by_pieces): Likewise.  Use build_call_array
5156         to construct the result instead of fold_build3.
5157         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
5158         dealing with argument lists.
5159         (init_pre): Remove references to expression_node_pool and
5160         list_node_pool.  Init temp_call_expr_obstack instead.
5161         (fini_pre): Remove references to expression_node_pool and
5162         list_node_pool.
5163
5164         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
5165         and walk arguments explicitly instead of as a list.
5166
5167         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
5168         (mx_register_decls): Likewise.
5169         (mudflap_register_call): Likewise.
5170         (mudflap_finish_file): Likewise.
5171
5172         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
5173         (ipa_callsite_compute_param): Likewise.
5174
5175         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
5176         accessors and constructor.
5177
5178         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
5179         accessors and constructor.
5180         (convert_tramp_reference): Likewise.
5181         (convert_call_expr): Likewise.
5182         (finalize_nesting_tree_1): Likewise.
5183
5184         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
5185         accessors.
5186
5187         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
5188
5189         * tree-inline.c (initialize_inlined_parameters): Pass entire
5190         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5191         accessors.
5192         (estimate_num_insns_1): Use new CALL_EXPR accessors.
5193         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
5194
5195         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
5196         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5197         (vectorizable_reduction): Likewise.
5198         (vectorizable_call): Use new CALL_EXPR iterators.
5199         (vectorizable_conversion): Use build_call_expr.
5200         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
5201         (vect_gen_widened_results_half): Use build_call_expr.
5202         (vect_setup_realignment): Likewise.
5203         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
5204
5205         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
5206         (pass_through_call): Likewise.
5207         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
5208         fold_builtin.
5209
5210         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
5211         (tree_gen_pow2_profiler): Likewise.
5212         (tree_gen_one_value_profiler): Likewise.
5213         (tree_gen_ic_func_profiler): Likewise.
5214         (tree_gen_average_profiler): Likewise.
5215         (tree_gen_ior_profiler): Likewise.
5216
5217         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
5218         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
5219         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5220
5221         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
5222         of TREE_CODE_LENGTH.
5223
5224         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
5225         of TREE_CODE_LENGTH.
5226
5227         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
5228         constructor.
5229         (convert_to_integer): Likewise.
5230
5231         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
5232         accessors.
5233
5234 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5235             Brooks Moses  <brooks.moses@codesourcery.com>
5236             Lee Millward  <lee.millward@codesourcery.com>
5237
5238         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
5239         accessors.
5240         * config/frv/frv.c (frv_expand_builtin): Likewise.
5241         * config/s390/s390.c (s390_expand_builtin): Likewise.
5242
5243         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
5244         (sparc_expand_builtin): Use new CALL_EXPR accessors.
5245
5246         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
5247         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
5248         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
5249         (ix86_expand_store_builtin): Likewise.
5250         (ix86_expand_unop_builtin): Likewise.
5251         (ix86_expand_unop1_builtin): Likewise.
5252         (ix86_expand_sse_compare): Likewise.
5253         (ix86_expand_sse_comi): Likewise.
5254         (ix86_expand_vec_init_builtin): Likewise.
5255         (ix86_expand_vec_ext_builtin): Likewise.
5256         (ix86_expand_vec_set_builtin): Likewise.
5257         (ix86_expand_builtin): Use new CALL_EXPR accessors.
5258
5259         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
5260         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5261
5262         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
5263         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5264         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
5265
5266         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
5267         build_call_expr.
5268         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5269         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
5270         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5271         (altivec_expand_abs_builtin): Likewise.
5272         (rs6000_expand_binop_builtin): Likewise.
5273         (altivec_expand_predicate_builtin): Likewise.
5274         (altivec_expand_lv_builtin): Likewise.
5275         (spe_expand_stv_builtin): Likewise.
5276         (altivec_expand_stv_builtin): Likewise.
5277         (rs6000_expand_ternop_builtin): Likewise.
5278         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
5279         (altivec_expand_st_builtin): Likewise.
5280         (altivec_expand_dst_builtin): Likewise.
5281         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
5282         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5283         (altivec_expand_vec_set_builtin): Likewise.
5284         (altivec_expand_vec_ext_builtin): Likewise.
5285         (altivec_expand_builtin): Use new CALL_EXPR accessors.
5286         (spe_expand_builtin): Likewise.
5287         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
5288         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5289         (spe_expand_evsel_builtin): Likewise.
5290         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
5291         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
5292
5293         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
5294         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5295         (arm_expand_unop_builtin): Likewise.
5296         (arm_expand_builtin): Use new CALL_EXPR accessors.
5297
5298         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
5299         accessors.
5300
5301         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
5302         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5303         (bfin_expand_unop_builtin): Likewise.
5304         (bfin_expand_builtin): Use new CALL_EXPR accessors.
5305
5306 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5307             Brooks Moses  <brooks.moses@codesourcery.com>
5308             Lee Millward  <lee.millward@codesourcery.com>
5309
5310         * c-semantics.c (build_stmt): Add internal diagnostic check.
5311
5312         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
5313         accessors.  Print arguments explicitly instead of as a list.
5314
5315         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
5316
5317         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
5318         (c_finish_omp_flish): Likewise.
5319
5320         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
5321         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
5322         instead of TREE_CODE_LENGTH.
5323         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
5324         (c_warn_unused_result): Likewise.
5325
5326 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5327
5328         PR c/26494
5329         * doc/invoke.texi (Warning Options): Remove
5330         -Werror-implicit-function-declaration.
5331         (Wimplicit-function-declaration): Update description.
5332         * opts.c (common_handle_option): Move handling of -Werror=* to...
5333         (enable_warning_as_error): ...here.
5334         * opts.h (enable_warning_as_error): Declare.
5335         * c-decl.c (implicit_decl_warning): Unless
5336         -Wno-implicit-function-declaration is given, emit a pedwarn if
5337         -std=c99 or emit a warning if -Wimplicit-function-declaration.
5338         * c.opt (Wimplicit-function-declaration): Replace
5339         mesg_implicit_function_declaration with
5340         warn_implicit_function_declaration.
5341         * c-opts.c (c_common_handle_option):
5342         -Werror-implicit-function-declaration is exactly equal as
5343         -Werror=implicit-function-declaration.
5344         (set_Wimplicit): Replace mesg_implicit_function_declaration with
5345         warn_implicit_function_declaration.
5346         (c_common_post_options): -Wimplict-function-declaration is enabled
5347         by default by -std=c99, otherwise is disabled by default.
5348         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
5349
5350 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5351
5352         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
5353         DECL on the rhs to a DECL on the lhs for debug info purposes if the
5354         former is ignored but not the latter.
5355
5356 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5357
5358         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
5359         is made and the reference doesn't use the alias set of its type,
5360         do not create the temporary using that type.
5361
5362 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
5363
5364         * jump.c: Remove prototypes for delete_computation and
5365         delete_prior_computation.
5366
5367 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5368
5369         * jump.c (get_label_after): Delete.
5370         (get_label_before, delete_computation, delete_jump,
5371         delete_prior_computation, follow_jumps): Move...
5372         * reorg.c (delete_computation, delete_prior_computation): ... here...
5373         (get_label_before, delete_jump): ... making these static ...
5374         (follow_jumps): ... and simplifying this since it only runs after
5375         reload.
5376         * rtl.h (get_label_after, get_label_before, delete_jump,
5377         follow_jumps): Delete prototypes.
5378
5379 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5380
5381         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
5382
5383 2007-02-15  Nick Clifton  <nickc@redhat.com>
5384
5385         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
5386         order to prevent it from being munged by the target.
5387
5388 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
5389
5390         * config/i386/i386.md: Remove misleading comment.
5391
5392 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5393
5394         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
5395         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
5396         invalid patterns.
5397
5398 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5399
5400         * tree-sra.c (instantiate_missing_elements): Canonicalize
5401         bit-field types.
5402         (sra_build_assignment): New.
5403         (generate_copy_inout, generate_element_copy,
5404         generate_element_zero, generate_one_element_init): Use it.
5405
5406 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5407
5408         * tree-sra.c (instantiate_missing_elements): Canonicalize
5409         bit-field types.
5410         (sra_build_assignment): New.
5411         (generate_copy_inout, generate_element_copy,
5412         generate_element_zero, generate_one_element_init): Use it.
5413
5414 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5415
5416         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
5417         limbo die nodes.
5418
5419 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
5420
5421         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
5422         types as aggregates not scalars.
5423         * function.c (assign_stack_temp_for_type): Likewise.
5424
5425 2007-02-14  Roger Sayle  <roger@eyesopen.com>
5426             Zdenek Dvorak  <dvorakz@suse.cz>
5427
5428         * tree-dump.c (dump_switch_p_1): Require exact match of the option
5429         name.
5430
5431 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
5432
5433         * passes.c (next_pass_1): Clear the next field of the copied
5434         pass structure.
5435
5436 2007-02-14  Richard Henderson  <rth@redhat.com>
5437
5438         * tree-sra.c (early_sra): New.
5439         (decl_can_be_decomposed_p): Deny va_list if early_sra.
5440         (tree_sra_early, pass_sra_early): New.
5441         * tree-pass.h (pass_sra_early): Declare.
5442         * passes.c (init_optimization_passes): Use it.
5443
5444 2007-02-14  Richard Guenther  <rguenther@suse.de>
5445
5446         * flags.h (issue_strict_overflow_warning): Convert to a macro.
5447
5448 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
5449
5450          PR tree-optimization/30771
5451         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
5452         also phi nodes.
5453         (vect_analyze_operations): Induction phis can now be marked as
5454         used_in_loop.
5455         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
5456         Update documentation accordingly.
5457
5458 2007-02-14  Nick Clifton  <nickc@redhat.com>
5459
5460         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
5461         most 3 arguments are supported.
5462         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
5463
5464 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
5465
5466         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
5467         Ensure dst->current is valid.
5468
5469 2007-02-13  Paul Brook  <paul@codesourcery.com>
5470
5471         * config.gcc: Add arm*-*-uclinux-*eabi.
5472         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
5473         (SUBTARGET_EXTRA_LINK_SPEC): Define.
5474         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
5475         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
5476         (LINK_SPEC): Define.
5477         (LIB_SPEC): Define.
5478         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
5479         register.
5480         * config/arm/uclinux-eabi.h: New file.
5481         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
5482         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
5483         based targets.
5484
5485 2007-02-13  Ian Lance Taylor  <iant@google.com>
5486
5487         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
5488         * flags.h (warn_strict_overflow): Declare.
5489         (enum warn_strict_overflow_code): Define.
5490         (issue_strict_overflow_warning): New static inline function.
5491         * opts.c (warn_strict_overflow): New variable.
5492         (common_handle_option): Handle OPT_Wstrict_overflow and
5493         OPT_Wstrict_overflow_.
5494         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
5495         OPT_Wall.
5496         * fold-const.c: Include intl.h.
5497         (fold_deferring_overflow_warnings): New static variable.
5498         (fold_deferred_overflow_warning): New static variable.
5499         (fold_deferred_overflow_code): New static variable.
5500         (fold_defer_overflow_warnings): New function.
5501         (fold_undefer_overflow_warnings): New function.
5502         (fold_undefer_and_ignore_overflow_warnings): New function.
5503         (fold_deferring_overflow_warnings_p): New function.
5504         (fold_overflow_warning): New static function.
5505         (make_range): Add strict_overflow_p parameter.  Change all
5506         callers.
5507         (extract_muldiv, extract_muldiv_1): Likewise.
5508         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
5509         tree_expr_nonnegative_p.
5510         (fold_negate_expr): Call fold_overflow_warning.
5511         (fold_range_test): Likewise.
5512         (fold_comparison): Likewise.
5513         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
5514         instead of tree_expr_nonnegative_p.
5515         (tree_expr_nonnegative_warnv_p): Rename from
5516         tree_expr_nonnegative_p, add strict_overflow_p parameter.
5517         (tree_expr_nonnegative_p): New function.
5518         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
5519         strict_overflow_p parameter.
5520         (tree_expr_nonzero_p): New function.
5521         * passes.c (verify_interpass_invariants): New static function.
5522         (execute_one_pass): Call it.
5523         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
5524         warnings.
5525         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
5526         (estimate_numbers_of_iterations): Likewise.
5527         (scev_probably_wraps_p): Likewise.
5528         * tree-ssa-ccp.c: Include "toplev.h".
5529         (evaluate_stmt): Defer fold overflow warnings until we know we are
5530         going to optimize.
5531         (struct fold_stmt_r_data): Add stmt field.
5532         (fold_stmt_r): Defer fold overflow warnings until we know we
5533         optimized.
5534         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
5535         (fold_stmt_inplace): Likewise.
5536         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
5537         (cleanup_control_expr_graph): Defer fold overflow warnings until
5538         we know we are going to optimize.
5539         * tree-cfg.c (fold_cond_expr_cond): Likewise.
5540         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
5541         Likewise.
5542         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
5543         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
5544         * tree-ssa-loop-manip.c (create_iv): Likewise.
5545         * c-typeck.c (build_conditional_expr): Likewise.
5546         (build_binary_op): Likewise.
5547         * tree-vrp.c (vrp_expr_computes_nonzero): Call
5548         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
5549         (extract_range_from_unary_expr): Likewise.
5550         * simplify-rtx.c (simplify_const_relational_operation): Warn when
5551         assuming that signed overflow does not occur.
5552         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
5553         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
5554         (fold_defer_overflow_warnings): Declare.
5555         (fold_undefer_overflow_warnings): Declare.
5556         (fold_undefer_and_ignore_overflow_warnings): Declare.
5557         (fold_deferring_overflow_warnings_p): Declare.
5558         (tree_expr_nonzero_warnv_p): Declare.
5559         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
5560         of warning options.
5561         (Warning Options): Document -Wstrict-overflow.
5562         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
5563         (tree-ssa-ccp.o): Likewise.
5564         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
5565         (fold-const.o): Depend on intl.h.
5566
5567 2007-02-13  Ian Lance Taylor  <iant@google.com>
5568
5569         PR middle-end/30751
5570         * lower-subreg.c (resolve_simple_move): Decompose subregs in
5571         addresses.
5572
5573 2007-02-13  Stuart Hastings  <stuart@apple.com>
5574
5575         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
5576
5577 2007-02-13  Richard Henderson  <rth@redhat.com>
5578
5579         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
5580         handled_component_p before looking for the indirect_ref.
5581
5582 2007-02-13  Richard Henderson  <rth@redhat.com>
5583
5584         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
5585         remove flags clobber.
5586         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
5587         (bswaphi_lowpart): New.
5588         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
5589         remove TARGET_BSWAP test.  Delete expander of the same name.
5590
5591         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
5592         (expand_unop): Use them.
5593
5594 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
5595
5596         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
5597         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
5598         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
5599         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
5600         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
5601         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
5602         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
5603         assembler dialect choice from asm templates.
5604
5605 2007-02-12  Richard Henderson  <rth@redhat.com>
5606
5607         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
5608         (fixuns_trunc<SSEMODEF>si2): Use it.
5609         * config/i386/sse.md (vec_setv4sf_0): Export.
5610         * config/i386/i386.c (ix86_build_const_vector): Export.
5611         (ix86_split_convert_uns_si_sse): Rename from
5612         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
5613         * config/i386/i386-protos.h: Update.
5614
5615 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5616
5617         PR c/29521
5618         * c-typeck.c (c_finish_return): Improve warning message.
5619
5620 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5621
5622         * alias.c (find_symbolic_term): Delete unused function.
5623
5624 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
5625
5626         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
5627         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
5628         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
5629
5630 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5631
5632         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
5633         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
5634         the function, temporarily point the debug interface to the null one.
5635
5636 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5637
5638         * dwarf2out.c (round_up_to_align): New static function.
5639         (field_byte_offset): Use it to round the offset.
5640
5641 2007-02-12  Richard Henderson  <rth@redhat.com>
5642
5643         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
5644         (inswl_const): Export.
5645
5646 2007-02-12  Richard Henderson  <rth@redhat.com>
5647
5648         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
5649         result mode of the libcall, convert back to outmode.
5650
5651 2007-02-12  Roger Sayle  <roger@eyesopen.com>
5652
5653         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
5654         (bswapdi2): New define_expand to implement 32-bit implementation.
5655
5656 2007-02-12  Nick Clifton  <nickc@redhat.com>
5657
5658         * doc/invoke.texi (Overall Options): Document --help=.
5659         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
5660         (cc1_options): Pass --help= on to cc1.
5661         (display_help): Add description of --help=.
5662         (process_command): Add code to handle --help=.  Allow translated
5663         --help and --target-help switches to be passed on to compiler
5664         sub-process.
5665         (main): Remove unused if statement.
5666         * opts.c (columns): Remove.
5667         (LEFT_COLUMN): Define.
5668         (wrap_help): Add columns argument.
5669         (print_filtered_help): Change parameters to be an include bitmask,
5670         an exclude bitmask, an any bitmask and the column width.  Move the
5671         code to display the params list here.  Add code to display the
5672         status of options rather than their descriptions if the quiet flag
5673         is not active.
5674         (print_specific_help): Change parameters to be an include bitmask,
5675         an exclude bitmask and an any bitmask.  Move code to look up the
5676         column width here.  Decide upon the title for an options listing.
5677         (common_handle_options): Add code to handle --help=.  Adapt code
5678         for --help and --target-help to use the revised form of the
5679         print_specific_help function.
5680         (print_help): Delete.
5681         (print_param_help): Delete.
5682         (print_switch): Delete.
5683         * opts.h (cl_lang_count): Add prototype.
5684         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
5685         CL_MAX_OPTION_CLASS): New defines.
5686         * optc-gen.awk: Add construction of cl_lang_count.
5687         * c.opt: Add Warning attribute to warning options and Optimization
5688         attribute to optimization options.
5689         * common.opt: Likewise.
5690         Add --help=.
5691         Add -fhelp and -ftarget-help as aliases for the transformed --help
5692         and --target-help options.
5693         * opt-functions.awk: Add code to handle Warning and Optimization
5694         attributes.
5695
5696 2007-02-12  Richard Henderson  <rth@redhat.com>
5697
5698         * config/alpha/constraints.md: New file.
5699         * config/alpha/alpha.c: Include tm-constrs.h.
5700         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
5701         alpha_extra_constraint): Remove.
5702         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
5703         * config/alpha/alpha-protos.h: Update.
5704         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
5705         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
5706         (EXTRA_CONSTRAINT): Remove.
5707         * config/alpha/alpha.md: Include constraints.md.
5708         (adddi splitter): Use satisfies_constraint_*.
5709         * config/alpha/predicates.md (add_operand): Likewise.
5710         (sext_add_operand, addition_operation): Likewise.
5711
5712 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
5713
5714         PR tree-optimization/29145
5715         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
5716         in our handling of restrict qualified pointers.
5717
5718 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5719
5720         PR middle-end/7651
5721         * doc/invoke.texi (Wunused-value): Update description.
5722         (Wextra): Delete item.
5723         * opts.c (set_Wextra): Don't use the value of Wextra to set the
5724         value of Wunused-value.
5725         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
5726         (c_finish_stmt_expr): Don't check extra_warnings.
5727         (emit_side_effect_warnings): The caller is responsible to check
5728         warn_unused_value.
5729
5730 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5731             Matt Thomas  <matt@3am-software.com>
5732
5733         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
5734
5735 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5736
5737         * simplify-rtx.c (simplify_relational_operation_1): Optimize
5738         comparisons of POPCOUNT against zero.
5739         (simplify_const_relational_operation): Likewise.
5740
5741 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5742
5743         * doc/invoke.texi (Wextra): Delete outdated paragraph.
5744
5745 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5746
5747         * dwarf2out.c (root_type): Delete unused function.
5748
5749 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5750
5751         * genattrtab.c (contained_in_p): Delete unused function.
5752         (write_expr_attr_cache): Likewise.
5753
5754 2007-02-11  Jan Hubicka  <jh@suse.cz>
5755
5756         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
5757         previous patch.
5758
5759 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
5760
5761         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
5762         to add the REG_EQ* note.
5763         * see.c (see_merge_one_use_extension): Likewise.
5764         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
5765         turn REG_EQUAL notes into REG_EQUIV notes if the target
5766         register may have more than one set.
5767         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
5768         * gcse.c (try_replace_reg): Likewise.
5769         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
5770         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
5771         more than one REG_EQUIV note.
5772         * reload1.c (gen_reload): Use set_unique_reg_note.
5773
5774 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
5775
5776         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
5777         (ix86_builtin_conversion): New function.
5778
5779 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
5780
5781         PR target/29487
5782         * tree.h (DECL_REPLACEABLE_P): New macro.
5783         * except.c (set_nothrow_function_flags): Likewise.
5784
5785 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
5786             Ira Rosen  <irar@il.ibm.com>
5787             Dorit Nuzman  <dorit@il.ibm.com>
5788
5789         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
5790         * targhooks.c (default_builtin_vectorized_conversion): New.
5791         * targhooks.h (default_builtin_vectorized_function): New declaration.
5792         * target.h (struct vectorize): Add builtin_conversion field.
5793         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
5794         stmt_vec_info_type value.
5795         (vectorizable_conversion): New declaration.
5796         * tree-vect-analyze.c (vect_analyze_operations): Add
5797         vectorizable_conversion call.
5798         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
5799         * tree-vect-transform.c (vectorizable_conversion): New function.
5800         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
5801         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5802         mode.
5803         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
5804         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
5805         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
5806         or ALTIVEC_BUILTIN_VCFSX.
5807
5808 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5809
5810         PR target/30634
5811         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
5812         CONST_DOUBLE and operand 0 is a hard register.
5813         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
5814         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
5815         is a hard floating-point register.
5816
5817 2007-02-10  Richard Henderson  <rth@redhat.com>
5818             Jakub Jelinek  <jakub@redhat.com>
5819             Alexandre Oliva  <aoliva@redhat.com>
5820
5821         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
5822         * builtin-types.def (BT_WORD): Make unsigned.
5823         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5824         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5825         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5826         * c-decl.c (grokdeclarator): Don't error if !have_tls.
5827         * c-parser.c (c_parser_omp_threadprivate): Likewise.
5828         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5829         emulated tls.
5830         * expr.c (emutls_var_address): New.
5831         (expand_expr_real_1): Expand emulated tls.
5832         (expand_expr_addr_expr_1): Likewise.
5833         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5834         * output.h (emutls_finish): Declare.
5835         * toplev.c (compile_file): Call it.
5836         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5837         address before wrapping in CONST.
5838         * varasm.c (emutls_htab, emutls_object_type): New.
5839         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5840         (get_emutls_object_name, get_emutls_object_type): New.
5841         (get_emutls_init_templ_addr, emutls_decl): New.
5842         (emutls_common_1, emutls_finish): New.
5843         (assemble_variable): When emulating tls, swap decls; generate
5844         constructor for the emutls objects.
5845         (do_assemble_alias): When emulating tls, swap decl and target name.
5846         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5847         for emulated tls.
5848         * varpool.c (decide_is_variable_needed): Look at force_output.
5849         Recurse for emulated tls.
5850         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
5851         with decide_is_variable_needed.
5852         * emutls.c: New file.
5853         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5854         tls_object for real tls.
5855
5856 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5857
5858         PR rtl-optimization/29599
5859         * reload1.c (eliminate_regs_in_insn): Take the destination
5860         mode into account when computing the offset.
5861
5862 2007-02-09  Stuart Hastings  <stuart@apple.com>
5863             Richard Henderson  <rth@redhat.com>
5864
5865         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5866         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
5867         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
5868         fixuns_truncdfhi2): New.
5869         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
5870         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
5871         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
5872         (floatunssidf2): Allow nonimmediate source.
5873         * gcc/config/i386/sse.md (movdi_to_sse): New.
5874         (vec_concatv2di): Drop '*'.
5875         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
5876         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5877         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
5878         New.
5879         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
5880         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
5881         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
5882         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
5883         (ix86_build_signbit_mask): Fix decl of v, refactor to call
5884         ix86_build_const_vector.
5885         (x86_emit_floatuns): Rewrite.
5886
5887 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5888
5889         * genautomata.c (longest_path_length): Delete unused function.
5890         (struct state): Delete unused longest_path_length.
5891         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
5892         (get_free_state): Delete unused.
5893
5894 2007-02-09  Jan Hubicka  <jh@suse.cz>
5895
5896         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
5897         * doc/invoke.texi (inline-unit-growth): Update default value.
5898
5899         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
5900         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
5901         (rebuild_cgraph_edges): Likewise.
5902         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
5903         (dump_cgraph_node): Dump frequencies.
5904         (cgraph_clone_edge): Add frequency scales.
5905         (cgraph_clone_node): Add freuqnecy.
5906         * cgraph.h (cgraph_edge): Add freuqnecy argument.
5907         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
5908         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
5909         * tree-pass.h (TODO_rebuild_frequencies): New constant.
5910         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
5911         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
5912         (save_inline_function_body): Likewise.
5913         * ipa-inline.c: inluce rtl.h
5914         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
5915         (cgraph_edge_badness): Use frequencies.
5916         (cgraph_decide_recursive_inlining): Update clonning.
5917         (cgraph_decide_inlining_of_small_function): Dump frequency.
5918         * predict.c (estimate_bb_frequencies): Export.
5919         * predict.h (estimate_bb_frequencies): Declare.
5920         * tree-inline.c (copy_bb): Watch overflows.
5921         (expand_call_inline): Update call of cgraph_create_edge.
5922         (optimize_inline_calls): Use TODO flags to update frequnecies.
5923         * passes.h: Include predict.h
5924         (init_optimization_passes): Move profile ahead.
5925         (execute_function_todo): Handle TODO_rebuild_frequencies.
5926
5927 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5928
5929         * config/alpha/alpha.c (emit_insxl): Force the first operand of
5930         the insbl or inswl pattern into a register.
5931
5932 2007-02-09  Roger Sayle  <roger@eyesopen.com>
5933
5934         * config/ia64/ia64.md (bswapdi2): New define_insn.
5935
5936 2007-02-09  Richard Henderson  <rth@redhat.com>
5937
5938         * config/i386/constraints.md (Ym): New constraint.
5939         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
5940         (movdi_1_rex64): Split sse and xmm general register moves from
5941         memory move alternatives.  Use conditional register constraints.
5942         (movsf_1, movdf_integer): Likewise.
5943         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5944         (movdf_integer_rex64): New.
5945         (pushsf_rex64): Fix output constraints.
5946         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
5947         (sse2_stored): Likewise.
5948         (sse2_storeq_rex64): New.
5949         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
5950         amd and not generic.
5951         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
5952         for optimize_size.  Remove SF/DFmode hack.
5953
5954 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5955
5956         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
5957         (bit_SSE4a): New.
5958
5959 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
5960             Richard Sandiford  <richard@codesourcery.com>
5961
5962         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
5963         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
5964         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
5965         m68k/t-mlib to tmake_file.
5966         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
5967         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
5968         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
5969         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
5970         variable is not empty, add t-$m68k_arch_family to tmake_file.
5971         Add t-mlibs to tmake_file.
5972         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
5973         * config/m68k/t-cf: New file.
5974         * config/m68k/t-m68k: Likewise.
5975         * config/m68k/t-mlibs: Likewise.
5976         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5977         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5978         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5979         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5980         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
5981         Delete.
5982         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
5983         (INSTALL_LIBGCC): Delete.
5984         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
5985         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5986         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5987         (M68K_MLIB_CPU): Define.
5988         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
5989         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
5990         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
5991
5992 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
5993             Richard Guenther  <rguenther@suse.de>
5994
5995         PR middle-end/23361
5996         * fold-const.c (fold_comparison): Handle obfuscated comparisons
5997         against INT_MIN/INT_MAX.
5998         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
5999         file if a loop is removed.
6000
6001 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6002
6003         * calls.c (store_one_arg): Pass correct alignment to
6004         emit_push_insn for non-BLKmode values.
6005         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6006         unaligned stack slot via a suitably aligned slot.
6007
6008 2007-02-08  DJ Delorie  <dj@redhat.com>
6009
6010         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6011         warnings.
6012         (legal_subregs): Use unsigned char, make const.
6013         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6014
6015 2007-02-08  Paul Brook  <paul@codesourcery.com>
6016
6017         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6018         special interworking needed.
6019
6020 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6021
6022         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6023         conditional to __SSE2__.
6024         (Entries below should have been added to first ChangeLog
6025         entry for amdfam10 dated 2007-02-05)
6026         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
6027         defined.
6028         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
6029         defined.
6030         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
6031         defined.
6032
6033 2007-02-08  DJ Delorie  <dj@redhat.com>
6034
6035         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
6036         * config/m32c/m32c.c (legal_subregs): New.
6037         (m32c_illegal_subreg_p): New.
6038         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
6039         unsupported subregs of hard regs.
6040
6041 2007-02-08  Jan Hubicka  <jh@suse.cz>
6042
6043         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
6044         the same one; always update histograms.
6045
6046 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6047
6048         * passes.c (init_optimization_passes): Tidy comment.
6049
6050 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6051
6052         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6053         strip zero_extend, bswap and rotates from POCOUNT's argument.
6054         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6055         zero_extend and rotates from PARITY's argument.
6056         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6057         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6058         of an integer constant at compile-time.
6059
6060 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6061
6062         PR 30562
6063         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6064         Update all users.
6065         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6066         users.
6067         (init_alias_info):
6068         * tree-ssa-live.c (remove_unused_locals): Do not remove
6069         TREE_ADDRESSABLE variables.
6070         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
6071         * tree-ssa-operands.c (add_virtual_operand): Remove argument
6072         FOR_CLOBBER.  Update all users.
6073         If VAR has an associated alias set, add a virtual operand for
6074         it if no alias is found to conflict with the memory reference.
6075
6076 2007-02-07  Jan Hubicka  <jh@suse.cz>
6077             Robert Kidd <rkidd@crhc.uiuc.edu>
6078
6079         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
6080
6081 2007-02-07  Ian Lance Taylor  <iant@google.com>
6082
6083         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
6084
6085 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6086
6087         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
6088         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
6089         tablejumpdi, movsi_to_cr_one): Remove constraints from
6090         define_expand's match_operands.
6091
6092 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6093
6094         * global.c (compute_regsets): Move declatation of "i" inside of
6095         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
6096
6097 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
6098
6099         PR c++/30703
6100         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
6101         of INDIRECT_REF <RESULT_DECL>.
6102
6103         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
6104
6105 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
6106             Kaz Kojima  <kkojima@gcc.gnu.org>
6107
6108         PR target/29746
6109         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
6110         properly.
6111         (sh_initialize_trampoline): Add parentheses to avoid a warning.
6112
6113 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
6114
6115         * doc/loop.texi: Document possibility not to perform disambiguation
6116         of loops with multiple latches.
6117         * cfgloopmanip.c (alp_enum_p): Removed.
6118         (add_loop): Handle subloops.  Use get_loop_body_with_size.
6119         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
6120         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
6121         the new forwarder block.
6122         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
6123         Handle the case latch is NULL.
6124         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
6125         when marking loop exits.
6126         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
6127         be modified.
6128         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
6129         disambiguate_loops_with_multiple_latches.
6130         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
6131         before fix_loop_structure.
6132         * cfgloop.c: Include pointer-set.h and output.h.
6133         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
6134         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
6135         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
6136         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
6137         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
6138         disambiguate_multiple_latches, get_loop_body_with_size,
6139         disambiguate_loops_with_multiple_latches): New functions.
6140         (flow_loop_dump): Dump multiple latch edges.
6141         (flow_loop_nodes_find): Handle loops with multiple latches.
6142         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
6143         (glb_enum_p): Modified.
6144         (get_loop_body): Use get_loop_body_with_size.
6145         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
6146         (AVOID_CFG_MODIFICATIONS): New constant.
6147         (disambiguate_loops_with_multiple_latches, add_loop,
6148         get_loop_body_with_size): Declare.
6149         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
6150
6151 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
6152
6153         PR inline-asm/28686
6154         * global.c (compute_regsets): New function.
6155         (global_alloc): Refactored ELIMINABLE_REGSET
6156         and NO_GLOBAL_ALLOC_REGS computation out.
6157         (rest_of_handle_global_alloc): Call compute_regsets()
6158         for non-optimizing case.
6159
6160 2007-02-06  Richard Henderson  <rth@redhat.com>
6161
6162         * config/i386/constraints.md (Y2): Rename from Y.
6163         (Yi): New constraint.
6164         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
6165         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
6166         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
6167         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
6168         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
6169         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
6170         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
6171         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
6172         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
6173         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
6174         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
6175         vec_extractv2si_1): Change Y constraints to Y2.
6176         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
6177         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
6178         Change Y constraints to Y2.
6179         (sse2_loadld): Change Y constraints to x.
6180
6181 2007-02-06  Roger Sayle  <roger@eyesopen.com>
6182
6183         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
6184         (parity<mode>2): New define_expand using rs6000_emit_parity.
6185         * config/rs6000/rs6000.c (rs6000_emit_popcount,
6186         rs6000_emit_parity): New functions.
6187         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
6188         rs6000_emit_parity): Prototype here.
6189
6190 2007-02-06  Ian Lance Taylor  <iant@google.com>
6191
6192         * lower-subreg.c (simple_move_operand): Reject CONST.
6193         (resolve_clobber): Call validate_change rather than directly
6194         assigning to XEXP (pat, 0).
6195
6196 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6197
6198         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
6199         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
6200         (tree-cfg.o): Remove hashtab.h dependency.
6201
6202         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
6203         (struct ivopts_data): Change niters to pointer_map_t.
6204         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
6205         (niter_for_exit): Create pointer_map on demand.  Change for
6206         pointer_map API.
6207         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
6208         (free_loop_data): Destroy data->niters if created and reset field.
6209         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
6210         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
6211
6212         * tree-ssa-reassoc.c: Include pointer-set.h.
6213         (bb_rank): Change to long *.
6214         (operand_rank): Change to pointer_map_t.
6215         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
6216         (insert_operand_rank): Accept long.
6217         (operand_entry_hash, operand_entry_eq): Remove.
6218         (get_rank): Return long.  Adjust for changes above.
6219         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
6220         and operand_rank.
6221         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
6222
6223         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
6224         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
6225         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
6226         is not NULL.
6227         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
6228         directly since it cannot be NULL.
6229         (get_vi_for_tree): Rewrite for pointer_map API.
6230         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
6231         (init_alias_vars): Create vi_for_tree as pointer_map.
6232         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
6233
6234         * tree-cfg.c: Don't include hashtab.h.
6235         (edge_to_cases): Declare as pointer_map.
6236         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
6237         Delete.
6238         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
6239         (start_recording_case_labels): Create edge_to_cases as pointer_map.
6240         (end_recoding_case_labels): Cleanup edge_to_cases manually before
6241         destroying it.
6242         (record_switch_edge): Delete.
6243         (get_cases_for_edge): Adjust for pointer_map API, inline
6244         record_switch_edge (rewritten for new API), remove goto.
6245
6246 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6247
6248         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
6249         * tree-nested.c: Include pointer-set.h.
6250         (var_map_elt, var_map_eq, var_map_hash): Delete.
6251         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
6252         to pointer_map_t's.
6253         (nesting_info_bitmap_obstack): New.
6254         (lookup_field_for_decl): Adjust for pointer_map API.
6255         (lookup_tramp_for_decl): Adjust for pointer_map API.
6256         (get_nonlocal_debug_decl): Adjust for pointer_map API.
6257         (get_local_debug_decl): Adjust for pointer_map API.
6258         (convert_nl_goto_reference): Adjust for pointer_map API.
6259         (convert_nl_goto_receiver): Adjust for pointer_map API.
6260         (create_nesting_tree): Create outside GGC space.  Create bitmap on
6261         the new obstack.  Create field_map and var_map as pointer_maps.
6262         (free_nesting_tree): Adjust for changes to create_nesting_tree.
6263         (root): Delete.
6264         (lower_nested_functions): Move root here, no need to NULL it.
6265         Initialize and release the obstack.
6266
6267 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
6268
6269         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
6270         Remove prototypes and make them non-static.
6271         (struct tree_int_map): Remove.
6272         * tree.h (struct tree_int_map): Move here, turning TO into an
6273         unsigned int.
6274         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
6275
6276         * tree.h (TREE_COMPLEXITY): Remove.
6277         (struct tree_exp): Remove complexity field.
6278         * tree.c (build1_stat): Don't set it.
6279
6280 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
6281             Victor Kaplansky  <victork@il.ibm.com>
6282
6283         * tree-vectorizer.c (vect_is_simple_use): Support induction.
6284         (vect_is_simple_reduction): Support reduction with induction as
6285         one of the operands.
6286         (vect_is_simple_iv_evolution): Fix formatting.
6287         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
6288         formatting.  Don't mark induction phis for vectorization.
6289         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
6290         * tree-vect-transform.c (get_initial_def_for_induction): New function.
6291         (vect_get_vec_def_for_operand): Support induction.
6292         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
6293         induction case.
6294         (vectorizable_reduction): Support reduction with induction as one of
6295         the operands.
6296         (vectorizable_type_demotion): Use def-type of stmt argument rather
6297         than dummy def-type.
6298
6299         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
6300         flag_tree_scev_cprop.
6301         * common.opt (tree-scev-cprop): New flag.
6302
6303         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
6304         call to vect_get_new_vect_var.
6305
6306 2007-02-06  Ira Rosen  <irar@il.ibm.com>
6307
6308         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
6309         vectype is not NULL.
6310         (vect_pattern_recog_1): Likewise.
6311
6312 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6313
6314         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
6315         (fold_negate_expr): Likewise.
6316
6317 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
6318
6319         PR debug/30189
6320         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
6321         even if cv-qualification is the same.
6322
6323 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
6324
6325         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
6326         __enable_execute_stack on completion.
6327
6328 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6329
6330         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
6331         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
6332         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
6333         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
6334         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
6335         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
6336         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
6337         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
6338
6339 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6340
6341         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
6342         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
6343         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
6344         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
6345         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
6346         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
6347         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
6348         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
6349         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
6350         umuldi3_highpart_rex64, umulsi3_highpart_insn,
6351         umulsi3_highpart_zext, smuldi3_highpart_rex64,
6352         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
6353         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
6354         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
6355         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
6356         sqrtextenddfxf2_i387): Added amdfam10_decode.
6357
6358         * config/i386/athlon.md (athlon_idirect_amdfam10,
6359         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
6360         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
6361         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
6362         athlon_ivector_store_amdfam10): New define_insn_reservation.
6363         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
6364         amdfam10.
6365
6366 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6367
6368         * config/i386/athlon.md (athlon_call_amdfam10,
6369         athlon_pop_amdfam10, athlon_lea_amdfam10): New
6370         define_insn_reservation.
6371         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
6372         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
6373         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
6374
6375 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6376
6377         * config/i386/athlon.md (athlon_sseld_amdfam10,
6378         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
6379         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
6380
6381 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6382
6383         * config/i386/athlon.md (athlon_sseins_amdfam10): New
6384         define_insn_reservation.
6385         * config/i386/i386.md (sseins): Added sseins to define_attr type
6386         and define_attr unit.
6387         * config/i386/sse.md: Set type attribute to sseins for insertq
6388         and insertqi.
6389
6390 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6391
6392         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
6393         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
6394         ssecomi_load_amdfam10, ssecomi_amdfam10,
6395         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
6396         define_insn_reservation.
6397         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
6398
6399 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6400
6401         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
6402         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
6403         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
6404         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
6405         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
6406         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
6407         define_insn_reservation.
6408
6409         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
6410         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
6411         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
6412         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
6413         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
6414
6415 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6416
6417         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
6418         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
6419         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
6420         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
6421         athlon_ssemul_load_k8): Added amdfam10.
6422
6423 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6424
6425         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
6426         (x86_sse_unaligned_move_optimal): New variable.
6427
6428         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
6429         m_AMDFAM10.
6430         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
6431         for unaligned vector SSE double/single precision loads for AMDFAM10.
6432
6433 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6434
6435         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
6436         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
6437         Define TARGET_CPU_DEFAULT_amdfam10.
6438         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
6439         (processor_type): Add PROCESSOR_AMDFAM10.
6440
6441         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
6442         processor_type in config/i386/i386.h.
6443         Enable imul peepholes for TARGET_AMDFAM10.
6444
6445         * config.gcc: Add support for --with-cpu option for amdfam10.
6446
6447         * config/i386/i386.c (amdfam10_cost): New variable.
6448         (m_AMDFAM10): New macro.
6449         (m_ATHLON_K8_AMDFAM10): New macro.
6450         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
6451         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
6452         x86_promote_QImode, x86_integer_DFmode_moves,
6453         x86_partial_reg_dependency, x86_memory_mismatch_stall,
6454         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
6455         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
6456         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
6457         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
6458         Enable/disable for amdfam10.
6459         (override_options): Add amdfam10_cost to processor_target_table.
6460         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
6461         processor_alias_table.
6462         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
6463         (ix86_adjust_cost): Add code for amdfam10.
6464
6465 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6466
6467         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
6468         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
6469         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
6470         * config/i386/i386.h: Add builtin definition for SSE4A.
6471         * config/i386/i386.md: Add support for ABM instructions
6472         (popcnt and lzcnt).
6473         * config/i386/sse.md: Add support for SSE4A instructions
6474         (movntss, movntsd, extrq, insertq).
6475         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
6476         Add -march=amdfam10 flag.
6477         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
6478         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
6479         and amdfam10.
6480         * doc/extend.texi: Add documentation for SSE4A builtins.
6481
6482 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
6483
6484         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
6485
6486 2007-02-05  Richard Guenther  <rguenther@suse.de>
6487
6488         * tree-vectorizer.h (vectorizable_function): Add argument type
6489         argument, change return type.
6490         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
6491         * tree-vect-transform.c (vectorizable_function): Handle extra
6492         argument, return vectorized function decl.
6493         (build_vectorized_function_call): Remove.
6494         (vectorizable_call): Handle calls with result and argument types
6495         differing.  Handle loop vectorization factor correctly.
6496         * targhooks.c (default_builtin_vectorized_function): Adjust for
6497         extra argument.
6498         * targhooks.h (default_builtin_vectorized_function): Likewise.
6499         * target.h (builtin_vectorized_function): Add argument type
6500         argument.
6501         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
6502         extra argument, allow vectorizing of lrintf.
6503         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
6504         documentation of target hook.
6505
6506 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
6507
6508         PR target/30665
6509         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
6510         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
6511         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
6512
6513 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6514
6515         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
6516         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
6517         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
6518         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
6519         before canonicalizing sincos to cexpi.
6520         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
6521
6522 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6523
6524         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
6525         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
6526         (alpha_init_builtins): Use alpha_add_builtins to process tables.
6527
6528 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6529
6530         * mips-tfile.c (initialize_init_file): Correct endianness test.
6531
6532 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
6533
6534         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
6535         the 'y' constraint.
6536
6537 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6538
6539         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
6540         saves in a PARALLEL before the register assignments.
6541
6542 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6543
6544         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
6545         DWARF_FRAME_RETURN_COLUMN to be a general register.
6546         * dwarf2out.c (init_return_column_size): New function, split from...
6547         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
6548         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
6549         to be nongeneral registers.
6550         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
6551         integer registers.
6552         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
6553         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
6554
6555 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6556
6557         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
6558
6559 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6560
6561         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
6562         (remove_path): Use can_remove_branch_p and remove_branch instead
6563         of loop_delete_branch_edge.
6564         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
6565         (tree_transform_and_unroll_loop): Remove dead branches immediately.
6566         Update profile using scale_dominated_blocks_in_loop.
6567         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
6568         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
6569         (can_remove_branch_p, remove_branch): Declare.
6570         * tree-cfg.c (tree_can_remove_branch_p): New function.
6571         (tree_cfg_hooks): Add tree_can_remove_branch_p.
6572         * cfgrtl.c (rtl_can_remove_branch_p): New function.
6573         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
6574
6575 2007-02-05  Jan Hubicka  <jh@suse.cz>
6576
6577         PR middle-end/30696
6578         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
6579         nodes in cgraph, don't remove offline copy of the function.
6580
6581 2007-02-04  Jan Hubicka  <jh@suse.cz>
6582
6583         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
6584         vectors might cause maybe_lookup_element_for_expr to be called
6585         on non-sra-candidate.
6586
6587 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6588
6589         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
6590         config/bfin/bfin.md, config/bfin/predicates.md: Follow
6591         spelling conventions.
6592
6593 2007-02-04  Richard Guenther  <rguenther@suse.de>
6594
6595         PR middle-end/30636
6596         * fold-const.c (try_move_mult_to_index): Make sure to not
6597         overflow one dimension of a multi-dimensional array access.
6598
6599 2007-02-04  Jan Hubicka  <jh@suse.cz>
6600
6601         * passes.c (init_optimization_passes): Reindent.
6602
6603 2007-02-04  Jan Hubicka  <jh@suse.cz>
6604             Eric Botcazou  <ebotcazou@adacore.com>
6605
6606         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
6607         (execute_fixup_cfg): Break out the abnormal goto code.
6608         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
6609         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
6610         (optimize_inline_calls): Call make_nonlocal_label_edges.
6611
6612 2007-02-04  Jan Hubicka  <jh@suse.cz>
6613
6614         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
6615         true when something was changed.
6616         (rename_ssa_copies): When something was changed, do
6617         TODO_remove_unused_locals.
6618         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6619         add TODO_remove_unused_locals when instruction was removed.
6620
6621 2007-02-04  Jan Hubicka  <jh@suse.cz>
6622
6623         * ipa-inline.c (try_inline): Improve debug output; work on already
6624         inline edges too.
6625         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
6626         call try_inline for already inlined edges too when flattening;
6627         inline also functions that make callee growth but overall unit size
6628         reduce.
6629
6630 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6631
6632         * config/m32c/bitops.md, config/m32c/jump.md,
6633         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
6634         config/m32r/m32r.h, config/m32r/m32r.md,
6635         config/m32r/predicates.md, config/m68hc11/larith.asm,
6636         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
6637         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
6638         config/mips/mips-protos.h, config/mips/mips.c,
6639         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
6640         config/mn10300/mn10300.h, config/mn10300/predicates.md,
6641         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
6642         spelling conventions.
6643
6644         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
6645         Follow spelling conventions.
6646
6647 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
6648
6649         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
6650         warn about C++0x compatibility.
6651
6652 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6653
6654         * config/h8300/h8300.c, config/h8300/h8300.h,
6655         config/h8300/h8300.md: Follow spelling conventions.
6656
6657 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
6658
6659         PR middle-end/30667
6660         * combine.c (try_combine): Do not substitute source operand
6661         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
6662
6663 2007-02-03  Jan Hubicka  <jh@suse.cz>
6664
6665         PR gcov-profile/30650
6666         * value-prof.c (stringop_block_profile): Fix handling of size counter;
6667         do not divide by zero for never executed counters.
6668         (tree_find_values_to_profile): Fix counters.
6669         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
6670
6671 2007-02-03  Ian Lance Taylor  <iant@google.com>
6672
6673         * lower-subreg.c (simple_move_operand): New static function,
6674         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
6675         operands.
6676         (simple_move): Call simple_move_operand.
6677         (find_decomposable_subregs): Add special handling of MEMs.
6678         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
6679         meaning of return value.  If we see a hard register, test whether
6680         it can store a word_mode value.  Change all callers.
6681
6682 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6683
6684         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
6685         ftrapv insns and expanders.
6686         (subdi3): Change define_expand operand 1 to arith11_operand, and
6687         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
6688         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
6689         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
6690         respectively.
6691
6692         PR middle-end/30174
6693         * varasm.c (notice_global_symbol): Treat global objects as weak when
6694         flag_shlib is true.
6695
6696 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6697
6698         * emit-rtl.c (dconstpi): Delete.
6699         (dconstsqrt2): New.
6700         (init_emit_once): Delete dconstpi and init dconstsqrt2.
6701         * real.h (dconstpi): Delete.
6702         (dconstsqrt2): New.
6703         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
6704         (fold_builtin_hypot): Likewise.
6705
6706 2007-02-03  Tom Tromey  <tromey@redhat.com>
6707
6708         PR driver/30246
6709         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
6710         -gcoff3, -gxcoff3, -gvms3 implies -dD.
6711
6712 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
6713
6714         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
6715         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
6716         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
6717         config/rs6000/cell.md, config/rs6000/darwin.h,
6718         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
6719         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
6720         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
6721         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
6722         typos.  Follow spelling conventions.
6723         * doc/invoke.texi: Follow spelling conventions.
6724
6725 2007-02-03  Roger Sayle  <roger@eyesopen.com>
6726
6727         * simplify-rtx.c (simplify_relational_operation_1): Implement some
6728         canonicalization transformations that attempt to simplify integer
6729         constant comparisons to become comparisons against zero.
6730
6731 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6732
6733         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
6734         fabs(x)*sqrt(2).
6735         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
6736         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
6737
6738 2007-02-02  Mike Stump  <mrs@apple.com>
6739
6740         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
6741         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
6742         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
6743         generate a branch island.
6744
6745 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
6746
6747         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
6748         (xtensa_legitimate_address_p): New.
6749         (xtensa_legitimize_address): New.
6750         (xtensa_output_addr_const_extra): New.
6751         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
6752         (BASE_REG_P): New.
6753         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
6754         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
6755         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
6756         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
6757         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
6758         (xtensa_legitimize_address): New.
6759         (xtensa_output_addr_const_extra): New.
6760
6761 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
6762
6763         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
6764
6765 2007-02-02  Ian Lance Taylor  <iant@google.com>
6766
6767         * expmed.c (expand_divmod): Add comment.
6768
6769 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
6770
6771         * emit-rtl.c (renumber_insns): Remove.
6772         * flags.h: Remove the extern for flag_renumber_insns.
6773         * rtl.h: Remove the prototype for renumber_insns.
6774         * toplev.c (flag_renumber_insns): Remove.
6775
6776 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
6777
6778         Revert for x86 darwin:
6779         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
6780
6781         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
6782         code before the following patch under TARGET_MACHO.
6783         (ix86_function_value_regno_p): Likewise.
6784
6785 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6786
6787         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
6788         COMPLEX_EXPR.
6789
6790 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
6791
6792         PR target/29682
6793         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
6794         general or fp registers.  Add comments.
6795         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
6796
6797 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
6798
6799         * pointer-set.c (insert_aux): Only return insertion slot.
6800         (pointer_set_insert): Adjust.
6801         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
6802         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
6803         pointer_map_traverse): New.
6804         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
6805         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
6806         pointer_map_contains, pointer_map_traverse): Declare.
6807
6808 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
6809
6810         PR middle-end/30473
6811         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
6812         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
6813
6814 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
6815
6816         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
6817
6818         (struct _dep): New type.
6819         (dep_t): New typedef.
6820         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
6821         (DEP_STATUS): New access macro.  The macro with the same name was
6822         renamed to DEP_LINK_STATUS.
6823         (dep_init): Declare function
6824
6825         (struct _dep_link): New type.
6826         (dep_link_t): New typedef.
6827         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
6828         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
6829         (DEP_LINK_STATUS): New macro.
6830         (debug_dep_links): New debug function.
6831
6832         (struct _deps_list): New type.
6833         (deps_list_t): New typedef.
6834         (DEPS_LIST_FIRST): New access macro.
6835         (FOR_EACH_DEP_LINK): New cycle macro.
6836         (create_deps_list, free_deps_list, delete_deps_list): Declare
6837         functions.
6838         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
6839         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
6840         (copy_deps_list_change_con): Ditto.
6841
6842         (move_dep_link): Declare function.
6843
6844         (struct _dep_node): New type.
6845         (dep_node_t): New typedef.
6846         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
6847
6848         (struct haifa_insn_data.back_deps): New field to hold backward
6849         dependencies of the insn.
6850         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
6851         to deps_list_t.
6852         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
6853         Change its type to deps_list_t.
6854         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
6855         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
6856         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
6857
6858         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
6859
6860         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
6861
6862         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
6863         all callers.
6864         (dep_cost): Declare.
6865
6866         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
6867         (ds_to_dk, dk_to_ds): New functions.
6868
6869         (init_dep_1): New static function.
6870         (init_dep): New function.
6871         (copy_dep): New static function.
6872
6873         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
6874         functions.
6875         (detach_dep_link): New static function.
6876         (move_dep_link): New function.
6877
6878         (dep_links_consistent_p, dump_dep_links): New static functions.
6879         (debug_dep_links): New debugging function.
6880
6881         (deps_obstack, dl_obstack, dn_obstack): New static variables.
6882
6883         (alloc_deps_list, init_deps_list): New static functions.
6884         (create_deps_list): New function.
6885         (clear_deps_list): New static function.
6886         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
6887         (deps_list_consistent_p, dump_deps_list): New static functions.
6888         (debug_deps_list): New function.
6889         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
6890         functions.
6891         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
6892
6893         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
6894         use new scheduler dependencies lists.
6895         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
6896         (sched_analyze): Ditto.  Initialize dependencies lists.
6897         (add_forw_dep, compute_forward_dependences): Update to use new
6898         scheduler dependencies lists.
6899
6900         (init_dependency_caches): Init deps_obstack.
6901         (free_dependency_caches): Free deps_obstack.
6902
6903         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
6904         new scheduler dependencies lists.
6905         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
6906         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6907
6908         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
6909         Update to use new scheduler dependencies lists.
6910         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
6911         (debug_dependencies): Ditto.
6912         (schedule_region): Update comments.
6913
6914         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
6915         scheduler dependencies lists.
6916         (schedule_ebb): Update comments.
6917
6918         * rtl.def (DEPS_LIST): Remove.
6919
6920         * lists.c (unused_deps_list): Remove.
6921         (free_list): Update assertions.
6922
6923         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
6924         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6925
6926         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
6927         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
6928
6929         * haifa-sched.c (comments): Update.
6930         (insn_cost1): Remove.  Inline the code into insn_cost ().
6931         (insn_cost): Update to use new scheduler dependencies lists.  Move
6932         processing of the dependency cost to dep_cost ().
6933         (dep_cost): New function.  Use it instead of insn_cost () when
6934         evaluating cost of the dependency.  Use compatible interface to
6935         interact with the target.
6936         (priority): Update to use new scheduler dependencies lists.
6937         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
6938         with greater number of insns that depend on the insn.
6939         (schedule_insn): Update to use new scheduler dependencies lists.  Add
6940         code to free backward dependencies lists.  Inline and optimize code
6941         from resolve_dep () - see PR28071.
6942         (ok_for_early_queue_removal): Update to use new scheduler dependencies
6943         lists.  Update call to targetm.sched.is_costly_dependence hook.
6944
6945         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
6946         scheduler dependencies lists.
6947
6948         (resolve_dep): Remove.  Move the logic to schedule_insn ().
6949         (init_h_i_d): Initialize dependencies lists.
6950
6951         (process_insn_depend_be_in_spec): Rename to
6952         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
6953         dependencies lists.
6954         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
6955         Update to use new scheduler dependencies lists.
6956         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
6957
6958         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
6959         new scheduler dependencies lists.
6960         (build_intra_loop_deps): Ditto.
6961
6962         * target.h (struct _dep): Declare to use in
6963         gcc_target.sched.is_costly_dependence.
6964         (struct gcc_target.sched.adjust_cost): Fix typo.
6965         (struct gcc_target.sched.is_costly_dependence): Change signature to use
6966         single dep_t parameter instead of an equivalent triad.
6967         (struct gcc_target.sched.adjust_cost_2): Remove.
6968
6969         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
6970
6971         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
6972
6973         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
6974         documentation.
6975         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
6976
6977         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
6978         (REG_DEP_TRUE): Document.
6979
6980         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
6981         Change signature to correspond to the targetm.sched.adjust_cost hook.
6982         Update use in TARGET_SCHED_ADJUST_COST_2.
6983         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
6984         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
6985         new scheduler dependencies lists.
6986         (ia64_gen_check): Ditto.
6987
6988         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
6989         dependencies lists.
6990
6991         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
6992         signature to correspond to the targetm.sched.is_costly_dependence hook.
6993         (is_costly_group): Update to use new scheduler dependencies lists.
6994
6995         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
6996         instead of INSN_COST () macro.
6997
6998 2007-02-01  Ian Lance Taylor  <iant@google.com>
6999
7000         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7001
7002 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7003
7004         * pa.md (tp_load): Correct mfctl instruction syntax.
7005
7006 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7007
7008         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7009         altivec_padding_size calculation on AIX.  Improve comment, add
7010         assert to verify that it's right.
7011
7012         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7013         64-bit.
7014
7015 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7016
7017         PR inline-asm/28686
7018         * global.c (global_alloc): Add mising initialization of
7019         ELIMINABLE_REGSET.
7020
7021 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7022
7023         * alias.c (init_alias_analysis): Correct whitespace.
7024         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7025         partition_hot_cold_basic_blocks): Likewise.
7026         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
7027         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
7028         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
7029         fold_builtin_snprintf_chk, fold_builtin_printf,
7030         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
7031         do_mpfr_arg3, do_mpfr_sincos): Likewise.
7032         * cfgcleanup.c (cleanup_cfg): Likewise.
7033         * cfgexpand.c (tree_expand_cfg): Likewise.
7034         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
7035         * function.c (get_next_funcdef_no): Likewise.
7036         * gengtype.c (main): Likewise.
7037         * genmodes.c (main): Likewise.
7038         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
7039         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
7040         * ifcvt.c (noce_emit_move_insn): Likewise.
7041         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
7042         Likewise.
7043         * stor-layout.c (get_best_mode): Likewise.
7044         * tree-ssa-loop-niter.c (get_val_for): Likewise.
7045         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
7046         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
7047         perform_var_substitution, solve_graph): Likewise.
7048         * tree-vrp.c (vrp_finalize): Likewise.
7049
7050 2007-02-01  Ian Lance Taylor  <iant@google.com>
7051
7052         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7053         high part of a paradoxical subreg, return a constant zero.
7054
7055 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7056
7057         * toplev.c (lang_dependent_init): Call init_set_costs.
7058         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7059
7060 2007-02-01  Richard Guenther  <rguenther@suse.de>
7061
7062         PR middle-end/30656
7063         * fold-const.c (fold_negate_expr): Allow negating a
7064         constant if overflow does not change.
7065
7066 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7067
7068         * doc/c-tree.texi (Expression trees): Improve markup.
7069         * doc/tm.texi (Register Classes, Addressing Modes)
7070         (Floating Point): Fix spacing after abbreviations.  Fix some
7071         typos.
7072
7073 2007-02-01  Ben Elliston  <bje@au.ibm.com>
7074
7075         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
7076         * doc/contrib.texi: Likewise.
7077         * doc/install.texi: Likewise.
7078
7079 2007-01-31  Richard Henderson  <rth@redhat.com>
7080             Ian Lance Taylor  <iant@google.com>
7081
7082         * lower-subreg.c: New file.
7083         * rtl.def (CONCATN): Define.
7084         * passes.c (init_optimization_passes): Add pass_lower_subreg and
7085         pass_lower_subreg2.
7086         * emit-rtl.c (update_reg_offset): New static function, broken out
7087         of gen_rtx_REG_offset.
7088         (gen_rtx_REG_offset): Call update_reg_offset.
7089         (gen_reg_rtx_offset): New function.
7090         * regclass.c: Revert patch of 2006-03-05, restoring
7091         reg_scan_update.
7092         (clear_reg_info_regno): New function.
7093         * dwarf2out.c (concatn_loc_descriptor): New static function.
7094         (loc_descriptor): Handle CONCATN.
7095         * common.opt (fsplit_wide_types): New option.
7096         * opts.c (decode_options): Set flag_split_wide_types when
7097         optimizing.
7098         * timevar.def (TV_LOWER_SUBREG): Define.
7099         * rtl.h (gen_reg_rtx_offset): Declare.
7100         (reg_scan_update): Declare.
7101         * regs.h (clear_reg_info_regno): Declare.
7102         * tree-pass.h (pass_lower_subreg): Declare.
7103         (pass_lower_subreg2): Declare.
7104         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
7105         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
7106         -fsplit-wide-types.
7107         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
7108         * Makefile.in (OBJS-common): Add lower-subreg.o.
7109         (lower-subreg.o): New target.
7110
7111 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7112
7113         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
7114
7115 2007-01-31  Anatoly Sokolov <aesok@post.ru>
7116
7117         PR target/19087
7118         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
7119
7120 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7121
7122         PR middle-end/29335
7123         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
7124
7125 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
7126
7127         * cfgloop.h: Include vec-prim.h.
7128         (enum li_flags): Remove LI_ONLY_OLD.
7129         (loop_iterator): Changed.
7130         (fel_next, fel_init): Iterate over loop tree.
7131         (FOR_EACH_LOOP_BREAK): New macro.
7132         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
7133         FOR_EACH_LOOP.
7134         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
7135         * modulo-sched.c (sms_schedule): Ditto.
7136         * tree-vectorizer.c (vectorize_loops): Ditto.
7137         * doc/loop.texi: Update information on loop numbering and behavior of
7138         FOR_EACH_LOOP wrto new loops.
7139         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7140         add_to_evolution_1): Test nestedness of loops instead of comparing
7141         their numbers.
7142         * tree-chrec.c (chrec_fold_plus_poly_poly,
7143         chrec_fold_multiply_poly_poly, chrec_evaluate,
7144         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
7145         reset_evolution_in_loop): Ditto.
7146         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
7147
7148 2007-01-31  Dirk Mueller  <dmueller@suse.de>
7149
7150         * c-common.c (warn_about_parentheses): Separate warning about
7151         un-parenthized sequence of comparison operators from the one
7152         which is supposed to warn about x <= y <= z.
7153
7154 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
7155
7156         * optabs.h (enum optab_index): Add new OTI_isinf.
7157         (isinf_optab): Define corresponding macro.
7158         * optabs.c (init_optabs): Initialize isinf_optab.
7159         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
7160         patterns.
7161         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
7162         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
7163         using isinf_optab.
7164         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
7165         expand_builtin_interclass_mathfn.
7166         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
7167         * config/i386/i386.md (UNSPEC_FXAM): New constant.
7168         (fxam<mode>2_i387): New insn pattern.
7169         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
7170         built-in functions as x87 inline asm.
7171
7172 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7173
7174         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
7175
7176 2007-01-30  Eric Christopher  <echristo@apple.com>
7177
7178         * config.gcc: Add geode.
7179
7180 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7181
7182         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
7183         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
7184         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
7185         value-prof.c: Fix comment typos.
7186
7187 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7188
7189         PR c++/24745
7190         * doc/invoke.texi (Wpointer-arith): Document warning.
7191
7192 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
7193
7194         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
7195         the list of discrepancies from the draft TR.
7196
7197 2007-01-30  Dirk Mueller  <dmueller@suse.de>
7198
7199         PR c++/30601
7200         * doc/invoke.texi (-Wreturn-type): Update description to
7201         match new behavior.
7202
7203 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
7204
7205         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
7206
7207 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
7208
7209         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
7210         to handle optabs that operate on floating point input argument and
7211         output to integer output.
7212         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
7213         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
7214         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
7215         expand_builtin_interclass_mathfn ().
7216         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
7217         (ilogbsi2): Remove.
7218         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
7219         ilogbl built-in functions as x87 intrinsics.
7220
7221 2007-01-30  Richard Guenther  <rguenther@suse.de>
7222
7223         PR middle-end/27657
7224         * dwarf2out.c (reference_to_unused): Query varpool if the
7225         variable was output.
7226
7227 2007-01-30  Richard Guenther  <rguenther@suse.de>
7228
7229         PR middle-end/30313
7230         * passes.c (execute_one_pass): Reset in_gimple_form to not
7231         confuse non-unit-at-a-time mode.
7232
7233 2007-01-29  Roger Sayle  <roger@eyesopen.com>
7234             Richard Guenther  <rguenther@suse.de>
7235
7236         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
7237         avoid undefined behaviour on overflow.  Use force_fit_type_double
7238         to construct the constant with the specified TREE_OVERFLOW.
7239
7240 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7241
7242         * config/dfp-bit.c: Add parameterized support for fp exceptions.
7243         * config/dfp-bit.h: Ditto.
7244
7245 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7246
7247         * c-decl.c (pop_scope): Replace warnings with call to
7248         warn_for_unused_label.
7249         * c-common.h (warn_for_unused_label): Declare.
7250         * c-common.c (warn_for_unused_label): Define.
7251
7252 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7253
7254         * tree-optimize.c (update_inlined_to_pointers): Delete unused
7255         function.
7256
7257 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7258
7259         * Makefile.in (USER_H): Remove decfloat.h.
7260         * ginclude/decfloat.h: Delete, moving contents to ...
7261         * ginclude/float.h: Add support for decimal floating point,
7262         guarded by __STDC_WANT_DEC_FP__.
7263
7264 2007-01-29  Mike Stump  <mrs@apple.com>
7265
7266         * doc/gccint.texi (Top): Rename Loop Representation to Loop
7267         Analysis and Representation to resolve case insensitive conflict.
7268         * doc/loop.texi (Loop Analysis and Representation): Likewise.
7269
7270 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
7271
7272         * tree.h (struct tree_memory_tag): Add aliases member.
7273         (MTAG_ALIASES): New macro.
7274         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
7275         (add_may_alias): Remove pointer-set. Update for may_aliases being
7276         a bitmap.
7277         (mark_aliases_call_clobbered): Update for may_aliases being a
7278         bitmap.
7279         (compute_tag_properties): Ditto.
7280         (create_partition_for): Ditto.
7281         (compute_memory_partitions): Ditto.
7282         (dump_may_aliases_for): Ditto.
7283         (is_aliased_with): Ditto.
7284         (add_may_alias_for_new_tag): Ditto.
7285         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
7286         (compute_is_aliased): New function.
7287         (compute_may_aliases): Call compute_is_aliased).
7288         (init_alias_info): Initialize alias_bitmap_obstack.
7289         (union_alias_set_into): New function.
7290         (compute_flow_sensitive_aliasing): Use union_aliases_into.
7291         (have_common_aliases_p): Rewrite to take two bitmaps and use
7292         intersection.
7293         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
7294         Update for bitmaps.
7295         (finalize_ref_all_pointers): Update for add_may_alias changes.
7296         (new_type_alias): Ditto.
7297         * tree-flow-inline.h (may_aliases): Return a bitmap.
7298         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
7299         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
7300         may_aliases being a bitmap.
7301         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
7302         may_aliases now returns a bitmap.
7303         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
7304         being a bitmap.
7305         * tree-ssa-operands.c (add_virtual_operand): Update for
7306         may_aliases being a bitmap.
7307
7308 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
7309
7310         PR tree-optimization/30630
7311         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
7312         variable as changed.
7313
7314 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
7315
7316         PR c++/28266
7317         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
7318         expanded only once even if an error occurs.
7319
7320 2007-01-29  Ben Elliston  <bje@au.ibm.com>
7321
7322         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
7323         (__gcov_average_profiler): Likewise.
7324         (__gcov_ior_profiler): Likewise.
7325         (__gcov_merge_ior): Likewise.
7326
7327 2007-01-28  Jan Hubicka  <jh@suse.cz>
7328
7329         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
7330         * value-prof.c (stringop_block_profile): Likewise.
7331
7332 2007-01-28  Jan Hubicka  <jh@suse.cz>
7333
7334         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
7335         variant handling histograms; add wrapper.
7336         (clear_storage_via_libcall): Export.
7337         (emit_block_move_hints): Break out from ...; add histograms.
7338         (emit_block_move): ... this one.
7339         (clear_storage_hints): Break out from ...; add histograms.
7340         (clear_storage): ... this one.
7341         (set_storage_via_memset): Handle histogram.
7342         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
7343         (clear_storage_hints, clear_storage_via_libcall): Declare.
7344         (set_storage_via_setmem): Update prototype.
7345         * doc/md.texi (movmem, setmem): Document new arguments.
7346
7347         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
7348         new histograms.
7349         (stringop_block_profile): New global function.
7350         (tree_stringops_values_to_profile): Profile block size and alignment.
7351         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
7352         HIST_TYPE_IOR.
7353         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
7354         (stringop_block_profile): Declare.
7355         * builtins.c: Include value-prof.h.
7356         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
7357         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
7358         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
7359         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
7360         * profile.c (instrument_values): Add new counters.
7361         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
7362         calls.
7363         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
7364         (tree_init_edge_profiler): Build new profilers.
7365         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
7366         (pass_tree_profile): Add dump.
7367         (tree_profile_hooks): Update.
7368         * Makefile.in (LIBGCOV): Add new constants.
7369         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
7370         __gcov_ior_profiler): New.
7371         * i386.md (movmem/setmem expanders): Add new optional arguments.
7372
7373 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
7374
7375         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
7376
7377 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7378
7379         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
7380         (tree_unswitch_single_loop): Pass eni_size_weights to
7381         tree_num_loop_insns.
7382         * tree-ssa-loop-manip.c: Include tree-inline.h.
7383         (can_unroll_loop_p): Pass eni_size_weights to
7384         tree_num_loop_insns.
7385         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
7386         Pass eni_size_weights to estimate_num_insns.
7387         * tree.h (init_inline_once): Export.
7388         * toplev.c (backend_init): Call init_inline_once.
7389         * cgraphunit.c (cgraph_process_new_functions,
7390         cgraph_analyze_function): Pass eni_inlining_weights to
7391         estimate_num_insns.
7392         * ipa-inline.c (compute_inline_parameters): Ditto.
7393         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
7394         to estimate_num_insns.
7395         (try_unroll_loop_completely): Pass eni_size_weights to
7396         tree_num_loop_insns.
7397         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
7398         ot estimate_num_insns.
7399         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
7400         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
7401         * tree-inline.c (eni_inlining_weights, eni_size_weights,
7402         eni_time_weights): New variables.
7403         (init_inline_once): Initialize them.
7404         (struct eni_data): Mew.
7405         (estimate_num_insns_1, estimate_num_insns): Use weights.
7406         * tree-inline.h (struct eni_weights_d): New.
7407         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
7408         (estimate_num_insns): Declaration changed.
7409         * cfgloop.h (tree_num_loop_insns): Declaration changed.
7410         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
7411         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
7412
7413 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7414
7415         * tree-data-ref.c (conflict_fn): Assert that the number of affine
7416         relations in the conflict function is valid.
7417
7418 2007-01-27  Ian Lance Taylor  <iant@google.com>
7419
7420         * common.opt: Add fstrict-overflow.
7421         * opts.c (decode_options): Set flag_strict_overflow if -O2.
7422         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
7423         (TYPE_OVERFLOW_UNDEFINED): Define.
7424         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
7425         Replace all uses.
7426         * tree.h (TYPE_TRAP_SIGNED): Don't define.
7427         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
7428         (fold_negate_expr): Likewise.
7429         (make_range): Likewise.
7430         (extract_muldiv_1): Likewise.
7431         (maybe_canonicalize_comparison): Likewise.
7432         (fold_comparison): Likewise.
7433         (fold_binary): Likewise.
7434         (tree_expr_nonnegative_p): Likewise.
7435         (tree_expr_nonzero_p): Likewise.
7436         * tree-vrp.c (compare_values): Likewise.
7437         (extract_range_from_binary_expr): Likewise.
7438         (extract_range_from_unary_expr): Likewise.
7439         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
7440         Likewise.
7441         (nowrap_type_p): Likewise.
7442         * tree-scalar-evolution.c (simple_iv): Likewise.
7443         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
7444         (build_range_check): Likewise.
7445         (extract_muldiv_1): Likewise.
7446         (fold_comparison): Likewise.
7447         * tree-vrp.c (vrp_int_const_binop): Likewise.
7448         (extract_range_from_unary_expr): Likewise.
7449         * convert.c (convert_to_integer): Likewise.
7450         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
7451         (fold_comparison): Likewise.
7452         (fold_binary): Likewise.
7453         * optabs.c (optab_for_tree_code): Likewise.
7454         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
7455         * simplify-rtx.c (simplify_const_relational_operation): Check
7456         flag_strict_overflow and flag_trapv.
7457         (simplify_const_relational_operation): Likewise.
7458         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
7459         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
7460         -fstrict-overflow.
7461
7462 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7463
7464         * tree.c (tree_fold_gcd): Delete.
7465         * tree.h (tree_fold_gcd): Remove prototype.
7466         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
7467         test whether one constant integer is a multiple of another.  Instead
7468         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
7469         * fold-const.c (multiple_of_p):  We've determined both TOP and
7470         BOTTOM are integer constants so we can call int_const_binop directly
7471         instead of the more generic const_binop.
7472
7473 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7474
7475         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
7476         1*X check that the constant hasn't overflowed, to preserve the
7477         TREE_OVERFLOW bit.
7478         (round_up): Provide an efficient implementation when rouding-up an
7479         INTEGER_CST to a power-of-two.
7480
7481 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7482
7483         * doc/sourcebuild.texi: Add comma for clarity.
7484         * doc/extend.texi: Fix some typos.
7485         * doc/passes.texi: Likewise.
7486         * doc/cppinternals.texi: Likewise.
7487         * doc/c-tree.texi: Likewise.
7488         * doc/tree-ssa.texi: Likewise.
7489         * doc/install.texi: Likewise.
7490
7491 2007-01-27  Jan Hubicka  <jh@suse.cz>
7492
7493         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
7494         (pass_sra): Do not require alias information.
7495         * passes.c (init_optimization_passes): Add SRA
7496
7497 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
7498
7499         * tracer.c (rest_of_handle_tracer): We already cleaned
7500         up the CFG in tracer() so don't do it here again.
7501         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
7502         cleanup_cfg here, either.  And don't call renumber_insns.
7503
7504         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
7505         and BB_HEAD are in the insn stream here.  Instead make sure
7506         that BB_INSN is valid on all insns.  Also, do check here that
7507         there are no pending branch predictions...
7508         (rtl_verify_flow_info): ...instead of doing it here.  Checks
7509         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
7510         here.
7511
7512 2007-01-26  Roger Sayle  <roger@eyesopen.com>
7513
7514         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
7515         function to simplify/factorize operand order canonicalization.
7516         (ix86_fixup_binary_operands): Reorganize using the above function.
7517         (ix86_binary_operator_ok): Likewise.
7518
7519 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
7520
7521         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
7522         file scope from optimize_attrs.
7523         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
7524         up search.
7525         (optimize_attrs): Clear insn_code_values after freeing it.
7526
7527 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7528
7529         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
7530         a parts.base assignment.
7531
7532 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7533
7534         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
7535         (compute_subscript_distance, initialize_data_dependence_relation,
7536         finalize_ddr_dependent, analyze_ziv_subscript,
7537         analyze_siv_subscript_cst_affine,
7538         compute_overlap_steps_for_affine_univar,
7539         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7540         analyze_siv_subscript, analyze_miv_subscript,
7541         analyze_overlapping_iterations, subscript_dependence_tester_1,
7542         compute_self_dependence, free_dependence_relation): Work
7543         with affine_fn instead of chrecs.
7544         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
7545         common_affine_function, affine_function_base,
7546         affine_function_constant_p, affine_fn_op, affine_fn_plus,
7547         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
7548         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
7549         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
7550         (all_chrecs_equal_p): Removed.
7551         * tree-data-ref.h (affine_fn, conflict_function): New types.
7552         (struct subscript): Change type of conflicting_iterations_in_a
7553         and conflicting_iterations_in_b.
7554
7555 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
7556
7557         PR other/30182
7558         * config/pa/pa.h (TARGET_HPUX_11): New.
7559         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
7560         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
7561
7562 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
7563         Richard Guenther  <rguenther@suse.de>
7564
7565         * tree-ssa-structalias.c (solve_graph): Handle case
7566         we merged the variable to another.
7567
7568 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7569
7570         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
7571         functions.
7572
7573         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
7574         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
7575
7576 2007-01-25  DJ Delorie  <dj@redhat.com>
7577
7578         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
7579         allow changes to modes which don't fit in those registers.
7580
7581         * reload1.c (choose_reload_regs): Check for invalid subregs before
7582         computing their locations, not after.
7583
7584 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
7585
7586         PR 25127
7587         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
7588         save Altivec registers in an eh_return function.
7589         (compute_vrsave_mask): Likewise.
7590         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
7591         for saving Altivec registers.
7592         (rs6000_emit_prologue): Don't allocate stack twice in
7593         eh_return function.  Correct expected value of altivec_save_offset
7594         when using save_world.  Describe save of R0 to stack when using
7595         save_world.  Describe stack pointer adjustment when using
7596         save_world.  Remove duplicated eh_return parameter register saving.
7597         Update sp_offset variable after save_world.
7598         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
7599         darwin-world.asm.
7600         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
7601         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
7602         implies Altivec.
7603
7604 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7605
7606         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
7607
7608 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7609
7610         PR other/30182
7611         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
7612         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
7613
7614 2007-01-25  Richard Guenther  <rguenther@suse.de>
7615
7616         * doc/invoke.texi (-Wcoverage-mismatch): Document.
7617         * common.opt (-Wcoverage-mismatch): New warning option.
7618         * coverage.c (get_coverage_counts): Ignore coverage mismatch
7619         if -Wcoverage-mismatch is given.
7620
7621 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
7622
7623         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
7624         (ipcp_driver): Change to static definition.
7625         Add dumping of the ifunctions.
7626         (constant_val_insert): Remove unused parameter. Support for SSA.
7627         (ipcp_propagate_const): Support for SSA.
7628         (ipcp_profile_bb_print): Print only analyzed nodes.
7629         (ipcp_replace_map_create): Remove support for Fortran constant
7630         for now.
7631         * ipa-prop.c (ipa_method_modify_stmt,
7632         ipa_callsite_compute_param): Support for SSA.
7633         * ipa-prop.h (ipcp_driver): Remove declaration.
7634         (IS_VALID_TREE_MAP_INDEX): Add define.
7635
7636 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
7637
7638         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
7639
7640 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7641
7642         PR middle-end/30447
7643         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
7644         constant argument to cabs and do it without checking for
7645         -funsafe-math-optimizations.
7646
7647 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
7648
7649         * c-common.h (RID_FIRST_CXX0X): New.
7650         (RID_LAST_CXX0X): New.
7651         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
7652         by -Wall.
7653         * c.opt (Wc++0x-compat): New.
7654         * doc/invoke.texi (-Wc++0x-compat): Document.
7655
7656 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7657
7658         * builtins.c (fold_builtin_carg): New.
7659         (fold_builtin_1): Use it.
7660
7661 2007-01-24  Jan Hubicka  <jh@suse.cz>
7662
7663         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
7664
7665         * ipa-inline.c (initial_insns, max_insns): Delete.
7666         (compute_max_insns): New function.
7667         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
7668         of insns as base for code growth.
7669         (cgraph_decide_inlining): Make initial_insns local; do not compute
7670         max_insns.
7671         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
7672         * doc/invoke.texi (inline-unit-growth): Update docs.
7673
7674 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
7675
7676         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
7677         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
7678         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
7679         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
7680         for CPUs that have PTA_CX16 set.
7681
7682         PR middle-end/27416
7683         * gimplify.c (omp_check_private): New function.
7684         (gimplify_scan_omp_clauses): Use it for
7685         firstprivate/lastprivate/reduction.
7686
7687         PR middle-end/30494
7688         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
7689         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
7690
7691         PR middle-end/30421
7692         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
7693         If lower_lastprivate_clauses emits some statements, append them
7694         to dlist rather than body_p and to body_p append an initializer.
7695         (lower_omp_for): Adjust caller.
7696
7697 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
7698
7699         * target.h (globalize_decl_name): New.
7700         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7701         * output.h (default_globalize_decl_name): New.
7702         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
7703         globalize_label.
7704         (globalize_decl): Ditto.
7705         (default_globalize_decl_name): New.
7706         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
7707         (ia64_handle_version_id_attribute): New.
7708         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7709         (ia64_asm_output_external): Use globalize_decl_name instead
7710         of globalize_label.
7711         * doc/extend.texi (version_id): New pragma.
7712         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
7713
7714 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7715
7716         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
7717         _uleb128_t and _Unwind_SWord with _sleb128_t.
7718         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
7719         uw_frame_state_for, uw_update_context_1): Likewise.
7720         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
7721         * unwind-pe.h (read_uleb128, read_sleb128,
7722         read_encoded_value_with_base): Likewise.
7723         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
7724
7725 2007-01-24  Richard Guenther  <rguenther@suse.de>
7726
7727         * builtins.c (expand_builtin_cexpi): Get the fndecl
7728         for cexp in the correct way.
7729
7730 2007-01-24  Jan Hubicka  <jh@suse.cz>
7731
7732         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
7733
7734 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7735
7736         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
7737         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
7738         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
7739         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
7740         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
7741         __SIZEOF_PTRDIFF_T__.
7742         * doc/cpp.texi: Documentation for the new builtin macros added.
7743
7744 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
7745
7746         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
7747         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
7748         instead of operands[2] to avoid access past the end of array.
7749
7750 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
7751
7752         * reload1.c (emit_reload_insns): Pass the reload register
7753         for a non-spill output reload through forget_old_reloads_1.
7754
7755 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
7756
7757         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
7758         _SOFT_DOUBLE if doubles use software floating-point.
7759         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
7760         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
7761         * config/rs6000/darwin-ldouble.c: Also compile functions for
7762         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
7763         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
7764         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
7765         commented-out long double override.
7766         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
7767         * config/rs6000/eabispe.h: Likewise.
7768         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
7769         long double for non-SPE.
7770         (rs6000_handle_option): Likewise.
7771         (invalid_e500_subreg): Disallow more subregs involding DImode,
7772         DFmode, TImode or TFmode.
7773         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
7774         E500 double.
7775         (legitimate_lo_sum_address_p): Also check for TFmode for E500
7776         double.
7777         (rs6000_legitimize_address): Also handle TFmode for E500 double.
7778         (rs6000_legitimize_reload_address): Also handle TFmode for E500
7779         double.
7780         (rs6000_legitimate_address): Also check for TFmode for E500
7781         double.
7782         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
7783         (spe_build_register_parallel): Handle TFmode and TCmode.
7784         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
7785         double.
7786         (function_arg): Handle TFmode and TCmode for E500 double.
7787         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
7788         in general.
7789         (print_operand): Handle TFmode and TImode for %y.
7790         (rs6000_generate_compare): Handle TFmode comparisons for E500
7791         double.
7792         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
7793         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
7794         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
7795         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
7796         TFmode for E500 double.
7797         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
7798         (floatsidf2): Enable for E500 double.
7799         (movtf_softfloat): Use rs6000_nonimmediate_operand.
7800         (extenddftf2): Change to extenddftf2_fprs.
7801         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
7802         depending on TARGET_E500_DOUBLE.
7803         (extendsftf2): Enable for E500 double.
7804         (trunctfdf2): Enable for E500 double.
7805         (trunctfsf2): Change to trunctfsf2_fprs.
7806         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
7807         depending on TARGET_E500_DOUBLE.
7808         (floatsitf2): Enable for E500 double.
7809         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
7810         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
7811         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
7812         (negtf2): Change to negtf2_internal.
7813         (negtf2): New expander.
7814         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
7815         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
7816         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
7817         (movdi_internal32): Use rs6000_nonimmediate_operand.
7818         (unnamed splitter): Likewise.
7819         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
7820         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
7821         (SPE64TF, DITI): New mode macros.
7822         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
7823         modes.
7824         (frob_tf_ti): New.
7825         (frob_<mode>_di_2): New.
7826         (frob_tf_di_8_2): New.
7827         (frob_di_df): Change to frob_di_<mode>; allow more modes.
7828         (frob_ti_tf): New.
7829         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
7830         more modes.
7831         (frob_ti_<mode>_8_2): New.
7832         (frob_ti_tf_2): New.
7833         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
7834         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
7835         TFmode.
7836         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
7837         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
7838         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
7839         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
7840         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
7841         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
7842         tsttflt_gp): New.
7843
7844 2007-01-23  Ian Lance Taylor  <iant@google.com>
7845
7846         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
7847         insn-*.o first.
7848         (OBJS-archive): Reformat, alphabetize.
7849         (OBJS): Change out_object_file to OBJS-md.
7850
7851 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
7852
7853         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
7854         JUMP_P and CALL_P predicates where applicable.
7855         * config/i386/i386.c: Ditto.
7856         * config/i386/i386.md: Ditto.
7857         * config/i386/mmx.md: Ditto.
7858         * config/i386/predicates.md: Ditto.
7859
7860 2007-01-22  Andreas Schwab  <schwab@suse.de>
7861
7862         * config/m68k/m68k.h: Fix comment.
7863
7864 2007-01-22  Jan Hubicka  <jh@suse.cz>
7865
7866         * passes.c (init_optimization_passes): Do not rerun
7867         pass_early_warn_uninitialized.
7868
7869 2007-01-22  Richard Guenther  <rguenther@suse.de>
7870
7871         PR tree-optimization/30038
7872         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
7873         function.
7874         (execute_cse_sincos_1): Likewise.
7875         (execute_cse_sincos): Likewise.
7876         (gate_cse_sincos): Likewise.
7877         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
7878         the cexpi() canonicalization of sincos().
7879         * tree-pass.h (pass_cse_sincos): Declare.
7880         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
7881
7882 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7883
7884         PR rtl-optimization/29329
7885         * combine.c (replaced_rhs_insn): Rename to i2mod.
7886         (replaced_rhs_value): Rename to i2mod_new_rhs.
7887         (i2mod_old_rhs): New global variable.
7888         (combine_instructions): Adjust for above change.  Save a copy of
7889         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
7890         note are substituted in the second instruction.
7891         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
7892         ditch the note if it pertains to the second eliminated register
7893         and this register is mentioned in i2mod_old_rhs.
7894
7895         Revert:
7896         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
7897
7898         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7899         the insn to which the note was originally attached.
7900
7901 2007-01-21  Jan Hubicka  <jh@suse.cz>
7902
7903         * ipa-inline.c (inlining_mode): Comment, move up.
7904         (cgraph_decide_inlining_incrementally): Do not perform inlining
7905         itself; fix handling of flattening of self recursive functions.
7906         (cgraph_find_cycles): Remove.
7907         (cgraph_flatten_node): Remove.
7908         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
7909         (try_inline): New function.
7910         (cgraph_early_inlining): Update call of
7911         cgraph_decide_inlining_incrementally.  Apply inlining here.
7912         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
7913
7914 2007-01-21  Dirk Mueller  <dmueller@suse.de>
7915
7916         PR bootstrap/30511
7917         * tree-vrp.c (check_array_bounds): do not warn
7918         about ADDR_EXPR's of ARRAY_REF's which are immediately
7919         used in binary expressions.
7920
7921 2007-01-21  Ira Rosen  <irar@il.ibm.com>
7922
7923         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
7924         read_write_dep and macros for its access.
7925         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
7926         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
7927         argument, call vect_check_interleaving for every independent pair of
7928         data-refs. Mark loads that access the same memory location as a store
7929         in the loop.
7930         (vect_check_dependences): Remove.
7931         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
7932         call, fix the call to vect_analyze_data_ref_dependence.
7933         (vect_analyze_data_ref_access): For statements that access the same
7934         data-ref, check that they are not stores; for loads, check that there
7935         is no store that access the same location.
7936
7937 2007-01-20  Roger Sayle  <roger@eyesopen.com>
7938             Joseph Myers  <joseph@codesourcery.com>
7939
7940         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
7941         (-fdump-rtl-stack): Likewise.
7942         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
7943         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
7944         (-mpt-fixed): Use @minus{} for minus sign.
7945         (Using Precompiled Headers): Fix under/overfull hbox.
7946
7947 2007-01-20  Jan Hubicka  <jh@suse.cz>
7948
7949         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
7950         place within annotation.
7951
7952 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7953
7954         * pa.c (output_move_double): Change array size of xoperands to 4.
7955
7956 2007-01-20  Jan Hubicka  <jh@suse.cz>
7957
7958         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
7959         as temporary.
7960
7961 2007-01-19  Ian Lance Taylor  <iant@google.com>
7962
7963         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
7964         constant to unsigned HOST_WIDE_INT before negating.
7965
7966 2007-01-19  Ian Lance Taylor  <iant@google.com>
7967
7968         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
7969         to unsigned.
7970         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
7971         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7972         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
7973         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
7974         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7975         (realloc_vdef, realloc_vuse): Change second parameter to
7976         unsigned.
7977         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
7978         fields to unsigned.
7979         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
7980         unsigned. Change x and lim locals to unsigned.
7981         (realloc_vdef, realloc_vuse): Change num_elem parameter to
7982         unsigned.
7983         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
7984         (copy_virtual_operands): Change i and n locals to unsigned.
7985
7986 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7987
7988         PR middle-end/29335
7989         * builtins.c (fold_builtin_1): Handle builtin fdim.
7990
7991 2007-01-20  Jan Hubicka  <jh@suse.cz>
7992
7993         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
7994         * tree-ssa-structalias.c (compute_points_to_sets): Do call
7995         init_alias_heapvars.
7996         (init_alias_heapvars): Initialize only when not already initialized.
7997         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
7998
7999 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8000
8001         * common.opt (fsigned-zeros): New command line option.
8002         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8003         of flag_unsafe_math_optimizations.
8004         * opts.c (set_fast_math_flags): The -ffast-math command line option
8005         implies -fno-signed-zeros.
8006         (fast_math_flags_set_p): Likewise.
8007
8008         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8009         the documentation of -ffast-math appropriately.  Wrap long lines.
8010
8011 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8012
8013         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8014         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8015
8016 2007-01-19  Tomas Bily  <tbily@suse.cz>
8017
8018         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8019         * tree-profile.c:
8020         (tree_init_ic_make_global_vars): New function
8021         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8022         (tree_gen_ic_profiler): New function
8023         (tree_gen_ic_func_profiler): New function
8024         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8025         (tree_profile_hooks): Added hook for indirec/virtual calls
8026         * value-prof.c (tree_find_values_to_profile): New case for
8027         indirect calls
8028         (tree_values_to_profile): Call for determining indirect/virtual
8029         counters
8030         (tree_indirect_call_to_profile): New function
8031         (tree_ic_transform): New function
8032         (tree_ic): New function
8033         (find_func_by_pid): New function
8034         (init_pid_map): New function
8035         (tree_value_profile_transformations): Added check for
8036         indirect/virtual call transformation
8037         * value-prof.h (enum hist_type): New counter type for
8038         indirect/virtual calls
8039         (profile_hooks): Added new hook for profiling indirect/virtual
8040         calls
8041         * profile.c (instrument_values): New case for indirect/virtual
8042         call added
8043         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
8044         (GCOV_COUNTER_V_INDIR): New counter type
8045         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
8046         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
8047         call added
8048         * cgraph.c: Definition of cgraph_max_pid
8049         (cgraph_create_node): Default init of pid attribute
8050         * cgraph.h: Declaration of cgraph_max_pid
8051         (struct cgraph_node): Added pid attribute
8052         * libgcov.c (__gcov_indirect_call_profiler): New function
8053         (__gcov_one_value_profiler_body): New function
8054         (__gcov_one_value_profiler): Body was moved to
8055         __gcov_one_value_profiler_body and calls it
8056
8057 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8058
8059         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8060         * gengtype.c (write_types_data, write_func_for_structure,
8061         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8062         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8063         (walk_type, write_func_for_structure): Generate the mark_hook if
8064         needed.
8065
8066 2007-01-19  Jan Hubicka  <jh@suse.cz>
8067
8068         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8069         'early' argument take inlining mode argument specifying whether to
8070         inline for size/speeed or all functions; add support for flattening;
8071         improve dumpting.
8072         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
8073
8074 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8075
8076         PR c++/17947
8077         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
8078         the name of the declared identifier.
8079
8080 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8081
8082         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
8083         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
8084         duplicate evaluation.
8085
8086 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8087
8088         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
8089         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
8090         to XFMode, use acosxf2 and truncate result to requested mode.
8091         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8092         (asin<mode>2): Similarly, with asin expanders.
8093         (*fscalexf4_i387): Rename from *fscalexf4.
8094         (expNcorexf3): New expander.
8095         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
8096         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
8097         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
8098         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
8099         patterns for SSE math.
8100         (exp10<mode>2): Similarly, with exp10 expanders.
8101         (exp2<mode>2): Similarly, with exp2 expanders.
8102         (expm1<mode>2): Similarly, with expm1 expanders.
8103         (ldexp<mode>3): Similarly, with ldexp expanders.
8104         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
8105         Use gen_truncxf<mode>2_i387_noop to truncate result.
8106
8107 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8108
8109         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
8110         for ColdFire targets.
8111
8112 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
8113             Richard Sandiford  <richard@codesourcery.com>
8114
8115         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
8116         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
8117         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
8118         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
8119         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8120         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8121
8122 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8123
8124         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
8125         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
8126         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
8127         (*adddi_dilshr32_cf): New pattern.
8128         (adddi3, subdi3): Remove first alternatives.
8129
8130 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8131
8132         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
8133         implemented using move.l, do not use its cc result for floating-point
8134         comparisons.
8135
8136 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8137
8138         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
8139         from accepting 's' constraints if flag_pic.
8140
8141 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8142
8143         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
8144         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
8145         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
8146         condition from TARGET_68881 to TARGET_HARD_FLOAT.
8147
8148 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8149
8150         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
8151         ColdFire alternatives.
8152         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
8153         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
8154         architectures that support ff1 instruction.
8155
8156 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8157             Julian Brown  <julian@codesourcery.com>
8158
8159         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
8160         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
8161         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
8162         Add commentary.
8163
8164 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8165
8166         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
8167         and return a bool.
8168         (output_move_const_into_data_reg, output_move_simode_const): Delete.
8169         * config/m68k/m68k.c (const_method, const_int_cost): Take a
8170         HOST_WIDE_INT instead of an rtx.
8171         (m68k_rtx_costs): Update call accordingly.
8172         (output_move_const_into_data_reg): Likewise.  Fix formatting.
8173         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
8174         Return a bool.
8175         (output_move_simode_const): Update calls after above changes.
8176         Rework to use automatic variables and predicates like MEM_P.
8177         * config/m68k/m68k.md (pushexthisi_const): Update call to
8178         valid_mov3q_const.
8179
8180 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8181
8182         * tree-ssa-alias.c (perform_var_substitution): Fix typo
8183         in dump_flags test.
8184
8185 2007-01-19  Richard Guenther  <rguenther@suse.de>
8186
8187         * builtins.c (expand_builtin_cexpi): Fall back to expanding
8188         via cexp in case sincos is not available.
8189
8190 2007-01-19  Richard Guenther  <rguenther@suse.de>
8191
8192         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
8193         * defaults.h (TARGET_HAS_SINCOS): Default to off.
8194         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
8195         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
8196         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
8197         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
8198         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
8199         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
8200
8201 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8202
8203         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
8204         New insn patterns.
8205         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
8206         (atan2xf3): Directly generate RTL pattern.
8207         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
8208         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8209         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8210         disable patterns for SSE math.
8211         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
8212         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8213         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8214         disable patterns for SSE math.
8215
8216 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
8217
8218         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
8219
8220 2007-01-18  Roger Sayle  <roger@eyesopen.com>
8221
8222         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
8223         VIEW_CONVERT_EXPR to the same type as it's operand.
8224
8225 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
8226
8227         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
8228         configured for long double 128.
8229
8230 2007-01-18  Mike Stump  <mrs@apple.com>
8231
8232         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
8233         error.
8234
8235 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
8236
8237         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
8238         type correct.
8239
8240 2007-01-18  Jan Hubicka  <jh@suse.cz>
8241
8242         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
8243         greater than NUM_VOP_FREE_BUCKETS.
8244
8245 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
8246
8247         * tree-ssa-structalias.c: Update comments.
8248         (ptabitmap_obstack): Removed.
8249         (pta_obstack): New.
8250         (oldpta_obstack): Ditto.
8251         (stats): Add a few members.
8252         (struct variable_info): Remove node, complex, address_taken, and
8253         indirect_target members. Add oldsolution member.
8254         (new_var_info): Do not initialize removed members.
8255         (constraint_expr_type): Remove INCLUDES.
8256         (constraint_graph): Add size, implicit_preds, rep,
8257         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
8258         (FIRST_REF_NODE): New macro.
8259         (LAST_REF_NODE): Ditto.
8260         (FIRST_ADDR_NODE): Ditto.
8261         (find): New function.
8262         (unite): Ditto.
8263         (dump_constraint): Do not handle INCLUDES.
8264         (insert_into_complex): Do not insert duplicate constraints.
8265         (condense_varmap_nodes): Renamed and rewritten into ...
8266         (merge_node_constraints): This. Also fix bug in handling of
8267         offseted copy constraints.
8268         (clear_edges_for_node): No longer need to deal with preds at all,
8269         or removing associated preds/succs.
8270         (merge_graph_nodes): Deal with indirect_cycles.
8271         Don't deal with predecessors.
8272         (add_implicit_graph_edge): New function.
8273         (add_pred_graph_edge): Ditto.
8274         (add_graph_edge): Don't deal with predecessors.
8275         (build_constraint_graph): Removed.
8276         (build_pred_graph): New function.
8277         (build_succ_graph): Ditto.
8278         (struct scc_info): Removed in_component. Added roots, dfs, and
8279         node_mapping. Remove visited_index, unification_queue.
8280         (scc_visit): Deal with union-find we do now.
8281         Deal with cycles with REF nodes.
8282         (collapse_nodes): Renamed and rewritten to ...
8283         (unify_nodes): This.
8284         (process_unification_queue): Removed.
8285         (topo_visit): Cleanup
8286         (do_da_constraint): Use find.
8287         (do_sd_constraint): Ditto.
8288         (do_ds_constraint): Ditto.
8289         (do_complex_constraint): Ditto.
8290         (init_scc_info): Update for removed and added members.
8291         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
8292         (find_indirect_cycles): This.
8293         (equivalence_class): New variable.
8294         (label_visit): New function.
8295         (perform_variable_substitution): Rewritten.
8296         (free_var_substitution_info): New function.
8297         (find_equivalent_node): Ditto.
8298         (move_complex_constraints): Ditto.
8299         (eliminate_indirect_cycles): Ditto.
8300         (solve_graph): Only propagate changed bits.
8301         Use indirect cycle elimination.
8302         Use find.
8303         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
8304         (tree_id_eq): Renamed to ...
8305         (tree_vi_eq): This. Update for member change
8306         (insert_id_for_tree): Renamed and rewritten to ...
8307         (insert_vi_for_tree): This.
8308         (lookup_id_for_tree): Renamed and rewritten to ...
8309         (lookup_vi_for_tree): This.
8310         (get_id_for_tree): Renamed and rewritten to ...
8311         (get_vi_for_tree): Ditto.
8312         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
8313         (process_constraint): Don't handle INCLUDES.
8314         Remove special ADDRESSOF case.
8315         (find_func_aliases): Rewrite to use vi functions instead of id
8316         ones.
8317         (create_function_info_for): Ditto.
8318         (create_variable_info_for): Ditto.
8319         (intra_create_variable_infos): Ditto.
8320         (merge_smts_into): Ditto.
8321         (find_what_p_points_to): Ditto.
8322         (init_base_vars): Ditto.
8323         (init_alias_vars): Ditto.
8324         (remove_preds_and_fake_succs): New function.
8325         (dump_sa_points_to_info): Dump new stats.
8326         (dump_solution_for_var): Use find.
8327         (set_used_smts): Fix formatting.
8328         (compute_points_to_sets): Updated for new functions.
8329         (ipa_pta_execute): Ditto.
8330
8331 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8332             Richard Sandiford  <richard@codesourcery.com>
8333
8334         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
8335         parallels.
8336         * calls.c (expand_call): If the return value is a PARALLEL,
8337         extract its first member.
8338         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
8339         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8340         use FUNCTION_EXTRA_EPILOGUE.
8341         (m68k_function_value): Return a PARALLEL if the return value
8342         is of a pointer type.
8343         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
8344         (FUNCTION_EXTRA_EPILOGUE): Remove.
8345         * config/m68k/m68k.md (D0_REG): New constant.
8346
8347 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8348
8349         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8350         output a NOP for empty epilogues.
8351
8352 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8353
8354         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
8355         before function.  Extend register save check to include all
8356         registers, not just integer ones.
8357
8358 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8359
8360         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
8361         (m68k_use_return_insn): ...this.
8362         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
8363         * config/m68k/m68k.c (use_return_insn): Rename to...
8364         (m68k_use_return_insn): ...this.
8365         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
8366         of USE_RETURN_INSN.
8367
8368 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8369
8370         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
8371         nearest even, fix denormal rounding overflow.
8372
8373 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8374
8375         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
8376         f%$smove and f%$move.
8377         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
8378         (extendsfdf2_cf): Use fdmove instead of f%&move.
8379         (truncdfsf2_cf): Use fsmove instead of f%$smove.
8380         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
8381
8382 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8383
8384         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
8385         GPR<-GPR moves.
8386
8387 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8388
8389         * real.h (real_format): Add a canonical_nan_lsbs_set field.
8390         (coldfire_single_format): Declare.
8391         (coldfire_double_format): Likewise.
8392         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
8393         of qnan_msb_set to determine the lower bits of a canonical
8394         NaN significand.
8395         (encode_ieee_double): Likewise.
8396         (encode_ieee_quad): Likewise.
8397         (ieee_single_format): Initialize canonical_nan_lsbs_set.
8398         (mips_single_format): Likewise.
8399         (ieee_double_format): Likewise.
8400         (mips_double_format): Likewise.
8401         (ieee_extended_motorola_format): Likewise.
8402         (ieee_extended_intel_96_format): Likewise.
8403         (ieee_extended_intel_128_format): Likewise.
8404         (ieee_extended_intel_96_round_53_format): Likewise.
8405         (ibm_extended_format): Likewise.
8406         (mips_extended_format): Likewise.
8407         (ieee_quad_format): Likewise.
8408         (mips_quad_format): Likewise.
8409         (vax_f_format): Likewise.
8410         (vax_d_format): Likewise.
8411         (vax_g_format): Likewise.
8412         (i370_single_format): Likewise.
8413         (i370_double_format): Likewise.
8414         (decimal_single_format): Likewise.
8415         (decimal_double_format): Likewise.
8416         (decimal_quad_format): Likewise.
8417         (c4x_single_format): Likewise.
8418         (c4x_extended_format): Likewise.
8419         (real_internal_format): Likewise.
8420         (coldfire_single_format): New real_format.
8421         (coldfire_double_format): Likewise.
8422         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
8423         canonical_nan_lsbs_set.
8424         (pdp11_d_format): Likewise.
8425         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
8426         if TARGET_COLDFIRE_CPU.
8427
8428 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8429
8430         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
8431         (output_call, m68k_legitimize_call_address): Declare.
8432         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
8433         parenthesees.  Add support for a 'W' constraint.
8434         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
8435         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
8436         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
8437         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
8438         variables.
8439         (override_options): Initialize them.  Do not set flag_no_function_cse
8440         for TARGET_ID_SHARED_LIBRARY.
8441         (m68k_output_pic_call): Delete.
8442         (m68k_legitimize_call_address): New function.
8443         (print_operand): Remove the %o prefix.  Handle the %p prefix.
8444         (output_call): New function.
8445         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
8446         target address from the GOT if symbolic jumps are not allowed.
8447         * config/m68k/m68k.md (call, general_operand): Do not set
8448         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
8449         Merge separate flag_pic and !flag_pic define_insns into...
8450         (*call, *call_value): ...these new patterns.  Match the address
8451         rather than the containing MEM and require it to be a call_operand.
8452         Use output_call to generate the asm template.
8453         * config/m68k/predicates.md (const_call_operand): New predicate.
8454         (call_operand): Likewise.
8455
8456 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8457
8458         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
8459         (STACK_GROWS_DOWNWARD): Define to 1.
8460         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
8461         comments, emphasizing that these values are only defaults.
8462         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
8463         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
8464
8465 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8466
8467         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
8468
8469 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8470             Richard Sandiford  <richard@codesourcery.com>
8471
8472         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
8473         (FP_REGNO_P): New macros.
8474         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
8475         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
8476         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
8477         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
8478
8479 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8480
8481         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8482         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
8483         to $tmake_file.
8484         * config/m68k/t-floatlib: New file, extracting common code from...
8485         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
8486         * config/m68k/t-uclinux: Here.
8487         * config/m68k/fpgnulib.c: Do not compile extendeed precision
8488         routines on ColdFire targets.
8489
8490 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8491
8492         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8493         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
8494         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
8495         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
8496         explicitly set MOTOROLA to 1.
8497         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
8498
8499 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8500             Nathan Sidwell  <nathan@codesourcery.com>
8501
8502         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
8503         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
8504         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
8505         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
8506         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
8507         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
8508         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
8509         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
8510         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
8511         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8512         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
8513         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
8514         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
8515         (DBX_REGISTER_NUMBER): Delete.
8516         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
8517         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8518         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
8519
8520 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8521
8522         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
8523         * config/flat.h: New file.
8524         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
8525         OBJECT_FORMAT_FLAT.
8526         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
8527         indirect references for -msep-data or -mid-shared-library.
8528         Do not use PC-relative code addresses either.
8529         * config/m68k/m68k.c (override_options): Restrict -fPIC error
8530         to -mpcrel.
8531         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
8532         for shared libraries and crt1.o for executables.  Use crti.o and
8533         crtbegin.o.
8534         (ENDFILE_SPEC): Use crtend.o and crtn.o.
8535         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
8536         Do not add -elf2flt or -shared-lib-id options here.
8537         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
8538         Pass -shared-lib-id if -mid-shared-library, taking the library
8539         identifier from -mshared-library-id if given, otherwise
8540         defaulting to 0.
8541         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
8542         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
8543         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
8544         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
8545         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
8546         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
8547         and crtend.o.
8548         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
8549         jump sequence for ISA A and ISA A+.
8550         (PICJUMP): Likewise.
8551
8552 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8553
8554         * config.gcc (m68k-*-uclinux*): Base the port on the common
8555         and m68k GNU/Linux files rather than on the generic ELF ones.
8556         * config/m68k/uclinux.h (TARGET_VERSION): Override.
8557         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8558
8559 2007-01-18  Julian Brown  <julian@codesourcery.com>
8560             Richard Sandiford  <richard@codesourcery.com>
8561
8562         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
8563         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8564         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
8565         before redefining.
8566         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
8567         80 unconditionally.
8568         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8569
8570 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8571
8572         * doc/install.texi: Document m68k-uclinuxoldabi.
8573         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
8574         * config/m68k/uclinux-oldabi.h: New file, copied from
8575         config/m68k/uclinux.h.
8576
8577 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
8578
8579         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
8580         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
8581         (m32r_compute_frame_size): Use unsigned for regno.
8582         (m32r_reload_lr): Use gen_frame_mem.
8583         (pop): New.
8584         (m32r_output_function_epilogue): Don't output the function epilogue
8585         textually here.
8586         (m32r_expand_epilogue): New.
8587         (direct_return): Return false if the function has the interrupt
8588         attribute.
8589         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
8590         * config/m32r/m32r.md (epilogue): New expander.
8591         (return_lr, return_rte): New insns.
8592         (return): Make it expander.
8593         (return_normal): New expander.
8594
8595 2007-01-18  Josh Conner  <jconner@apple.com>
8596
8597         PR target/30485
8598         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
8599         support for UNLE, UNLT, UNGE, and UNGT.
8600
8601 2007-01-18  Jan Hubicka  <jh@suse.cz>
8602
8603         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
8604         * tree-tailcall (add_virtual_phis): Likewise.
8605         (optimize_tail_call): Return TODOs.
8606         (execute_tail_calls): Return TODOs.
8607         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
8608         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
8609         changed.
8610         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8611         Cleanup cfg using TODO.
8612         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
8613         * passes.c (execute_function_todo): When cleanup did something, remove
8614         unused locals.
8615         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
8616         (make_edges): Don't cleanup_cfg.
8617
8618 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
8619
8620         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
8621         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
8622         operate on the top of stack.
8623         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
8624         register handling of instructions that output to the second
8625         stack slot.
8626         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
8627         (move_for_stack_reg): Special-case check for dead destination
8628         stack slot for constant load of 1.0 inside UNSPEC_TAN.
8629
8630         * config/i386/i386.md (UNSPEC_TAN): New constant.
8631         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
8632         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
8633         to correctly model move of constant 1.0 to top stack slot.
8634         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
8635         (unnamed peephole2 pattern): Remove corresponding peephole2
8636         pattern that optimizes tan insn and loading of constant 1.0.
8637         (tanxf2): Use fptanxf4_i387.
8638         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
8639         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
8640         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8641         disable patterns for SSE math.
8642         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
8643         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
8644
8645 2007-01-18  Dirk Mueller  <dmueller@suse.de>
8646             Richard Guenther <rguenther@suse.de>
8647
8648         PR diagnostic/8268
8649         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
8650         * common.opt (Warray-bounds): Add new warning option.
8651         * c-opts.c (c_common_handle_option): Define -Warray-bounds
8652         if -Wall is given.
8653         * Makefile.in: make tree-vrp.o depend on toplev.h
8654         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
8655         is enabled.
8656         (check_array_refs, check_array_bounds, check_array_ref): New.
8657
8658 2007-01-18  Jan Hubicka  <jh@suse.cz>
8659
8660         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
8661         (execute_ssa_ccp): Return flags conditionally.
8662         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
8663         changed.
8664         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
8665
8666 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
8667
8668         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
8669         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
8670
8671         * Makefile.c (GTFILES): Add cfglayout.h.
8672         * gengtype.c (open_base_files): Likewise.
8673         * cfglayout.c (cfg_layout_function_footer,
8674         cfg_layout_function_header) Reindent to make gengtype happy.
8675         * cfglayout.h (cfg_layout_function_footer,
8676         cfg_layout_function_header): Add GTY(()) marker.
8677
8678         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
8679
8680 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8681
8682         * genautomata.c (write_automata): Include xstrerror output in the
8683         error message if writing the DFA description file fails.
8684
8685 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
8686
8687         * config/mips/mips-protos.h (mips_output_external): Make it
8688         return void.
8689         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
8690         * config/mips/mips.c (irix_output_external_libcall): Likewise.
8691         (extern_list): Likewise.
8692         (extern_head): Likewise.
8693         (TARGET_ASM_FILE_END): Likewise.
8694         (mips_file_end): Likewise.
8695         (mips_output_external): Rewritten.
8696
8697 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8698
8699         * genpreds.c (write_insn_preds_c): Only write out the function
8700         body for regclass_for_constraint if we have register constraints.
8701
8702 2007-01-17  Tom Tromey  <tromey@redhat.com>
8703
8704         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
8705         * doc/install.texi (Testing): Use sourceware.org.
8706         (Binaries): Likewise.
8707         (Specific): Likewise.
8708         * doc/contrib.texi (Contributors): Use sourceware.org.
8709
8710 2007-01-17  Anatoly Sokolov <aesok@post.ru>
8711
8712         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
8713         (AVR_ENHANCED): Rename to ...
8714         (AVR_HAVE_MUL): ... new.
8715         (avr_enhanced_p): Rename to ...
8716         (avr_have_mul_p): ... new.
8717         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
8718         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
8719         * config/avr/avr.c (avr_enhanced_p): Rename to ...
8720         (avr_have_mul_p): ... new.
8721         (base_arch_s): Rename 'enhanced' to 'have_mul'.
8722         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
8723         'avr_enhanced_p' and 'enhanced'.
8724         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
8725         AVR_HAVE_MUL instead of AVR_ENHANCED.
8726         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8727         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
8728         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
8729         instead of AVR_ENHANCED.
8730         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8731         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
8732         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
8733
8734 2007-01-17  Ian Lance Taylor  <iant@google.com>
8735
8736         * vec.h (VEC_reserve_exact): Define.
8737         (vec_gc_p_reserve_exact): Declare.
8738         (vec_gc_o_reserve_exact): Declare.
8739         (vec_heap_p_reserve_exact): Declare.
8740         (vec_heap_o_reserve_exact): Declare.
8741         (VEC_OP (T,A,reserve_exact)): New static inline function, three
8742         versions.
8743         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
8744         negative parameter.
8745         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
8746         (VEC_OP (T,A,copy)) [all versions]: Likewise.
8747         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
8748         * vec.c (calculate_allocation): Add exact parameter.  Change all
8749         callers.
8750         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
8751         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
8752         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
8753         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
8754         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
8755         (vec_heap_p_reserve_exact): New function.
8756         (vec_heap_o_reserve_exact): New function.
8757
8758 2007-01-17  Jan Hubicka  <jh@suse.cz>
8759
8760         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
8761
8762 2007-01-17  Eric Christopher  <echristo@apple.com>
8763
8764         * config.gcc: Support core2 processor.
8765
8766 2007-01-16  Jan Hubicka  <jh@suse.cz>
8767
8768         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
8769         the names, just unlink the chain so we don't crash on dangling pointers
8770         to dead SSA names.
8771
8772 2007-01-16  Jan Hubicka  <jh@suse.cz>
8773
8774         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
8775         * tree-pass.h: Reorder to make IPA passes appear toegher.
8776         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
8777         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
8778         parameters, do not call early inliner.
8779         * ipa-inline.c: Update comments.  Include tree-flow.h
8780         (cgraph_decide_inlining): Do not compute inlining parameters.
8781         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
8782         be called with function context set up.
8783         (pass_ipa_inline): Remove unreachable functions before pass.
8784         (cgraph_early_inlining): Simplify assuming to be called from the
8785         PM as local pass.
8786         (pass_early_inline): New pass.
8787         (cgraph_gate_ipa_early_inlining): New gate.
8788         (pass_ipa_early_inline): Turn into simple wrapper.
8789         (compute_inline_parameters): New function.
8790         (gate_inline_passes): New gate.
8791         (pass_inline_parameters): New pass.
8792         (apply_inline): Move here from tree-optimize.c
8793         (pass_apply_inline): New pass.
8794         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
8795         transforming.
8796         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
8797         doing them by hand.
8798         (tree_function_versioning): Do not allocate dummy struct function.
8799         * tree-inline.h (optimize_inline_calls): Update prototype.
8800         * tree-optimize.c (execute_fixup_cfg): Export.
8801         (pass_fixup_cfg): Remove
8802         (tree_rest_of_compilation): Do not apply inlines.
8803         * tree-flow.h (execute_fixup_cfg): Declare.
8804         * Makefile.in (gt-passes.c): New.
8805         * passes.c: Include gt-passes.h
8806         (init_optimization_passes): New passes.
8807         (nnodes, order): New static vars.
8808         (do_per_function_toporder): New function.
8809         (execute_one_pass): Dump current pass here.
8810         (execute_ipa_pass_list): Don't dump current pass here.
8811
8812 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
8813
8814         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
8815         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
8816
8817 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
8818
8819         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
8820         (strong_alias): Define.
8821         (__gcc_qmul): Provide non-FMA for soft-float.
8822         (__gcc_qdiv): Same.
8823         (__gcc_qneg): New.
8824         (__gcc_qeq): New.
8825         (__gcc_qle): New.
8826         (__gcc_qge): New.
8827         (__gcc_qunord): New.
8828         (__gcc_stoq): New.
8829         (__gcc_dtoq): New.
8830         (__gcc_qtos): New.
8831         (__gcc_qtod): New.
8832         (__gcc_qtoi): New.
8833         (__gcc_qtou): New.
8834         (__gcc_itoq): New.
8835         (__gcc_utoq): New.
8836         (fmsub): New.
8837         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
8838         soft-float functions.
8839         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
8840         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
8841         about long double soft float.
8842
8843 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
8844             Tehila Meyzels  <tehila@il.ibm.com>
8845
8846         * tree-vectorizer.h (is_pattern_stmt_p): New.
8847         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
8848         formatting (tabs instead of spaces). Cleanup and clarify setting
8849         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
8850         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
8851         (vectorizable_type_demotion): Check that types are integral.
8852         (vectorizable_type_promotion): Likewise.
8853         (vectorizable_store): Fix typo.  Eliminate new-line at end of
8854         comments.
8855
8856 2007-01-16  Jan Hubicka  <jh@suse.cz>
8857
8858         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
8859         cgraph edges too.
8860
8861 2007-01-15  Eric Christopher  <echristo@apple.com>
8862
8863         * ifcvt.c: Include vec.h, vecprim.h.
8864         (check_cond_move_block): New argument regs.
8865         Reorganize. Add registers used to regs.
8866         (cond_move_process_if_block): Use regs set above as
8867         loop bounds.
8868
8869 2007-01-15  Eric Christopher  <echristo@apple.com>
8870
8871         * config/darwin.h: Update copyright.
8872         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
8873         (LINK_COMMAND_SPEC): Add -u.
8874         (LINK_SPEC): Fix umbrella for above.
8875
8876 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
8877
8878         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
8879         glibc CVS.
8880
8881 2007-01-15  Tom Tromey  <tromey@redhat.com>
8882
8883         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
8884         * doc/install.texi (Testing): Don't mention jacks.
8885         (Configuration): Document --enable-java-maintainer-mode.  Move
8886         --with-java-home to libgcj-specific section.  Document
8887         --with-ecj-jar.
8888         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
8889
8890 2007-01-15  Jan Hubicka  <jh@suse.cz>
8891
8892         * tree-ssa-dce.c (DCE_TODOs): New.
8893         (propagate_necessity): Return if something changed.
8894         (eliminate_unnecessary_stmts): Likewise.
8895         (perform_tree_ssa_dce): Return TODO flags when needed.
8896         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
8897
8898 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
8899
8900         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
8901         (fyl2x_extend<mode>xf3_i387): New insn pattern.
8902         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
8903         patterns using X87MODEF12 mode macro.  Extend operand 1
8904         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8905         (log10<mode>2): Ditto.
8906         (log2<mode>2): Ditto.
8907         (log1p<mode>2): Ditto.
8908         (logb<mode>2): Ditto.
8909         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
8910         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
8911         (*fxtractxf3_i387): Rename from *fxtractxf3.
8912         (fxtract_extend<mode>xf3_i387): New insn pattern.
8913         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
8914         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
8915         and gen_fyl2xxf3_i387().
8916
8917 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
8918
8919         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
8920         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
8921         get_loop_exit_edges.  Changed return type to bool.
8922         * cfgloop.h (fix_loop_placement): Declaration removed.
8923
8924 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
8925
8926         * param.h (MIN_VECT_LOOP_BOUND): New.
8927         * params.def (MIN_VECT_LOOP_BOUND): New.
8928         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
8929         argument - minimum threshold for number of iterations.
8930         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
8931         argument to declaration.
8932         * tree-vect-analyze.c (vect_analyze_operations): Check value of
8933         MIN_VECT_LOOP_BOUND.
8934         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
8935         slpeel_tree_peel_loop_to_edge with additional argument.
8936         (vect_do_peeling_for_alignment): Likewise.
8937         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
8938
8939 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
8940
8941         PR target/30413
8942         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
8943         operands of size 1.
8944
8945 2007-01-14  Jan Hubicka  <jh@suse.cz>
8946
8947         * tree-dfa.c (remove_referenced_var): New function.
8948         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
8949         prune referenced vars list too.
8950         * tree-flow.h (remove_referenced_var): Declare.
8951
8952 2007-01-14  Jan Hubicka  <jh@suse.cz>
8953
8954         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
8955         separately.
8956         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
8957         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
8958         * except.h (verify_eh_throw_table_statements): Kill prototype.
8959         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
8960         into call exrepssions.
8961         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
8962         eh trhow verifier.
8963         * tree-cfg.c: Include pointer-set.h.
8964         (verify_node_sharing): Work on pointer set.
8965         (verify_eh_throw_stmt_node): New.
8966         (verify_stmts): Use pointers sets, verify throw_stmt.
8967
8968 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
8969
8970         * ipa-reference.c (analyze_function): Consider also addresses taken
8971         in phi nodes.
8972
8973 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8974
8975         * c-typeck.c (null_pointer_constant_p): Replace use of
8976         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8977         (build_c_cast): Likewise.
8978
8979 2007-01-12  Roger Sayle  <roger@eyesopen.com>
8980
8981         * tree.h (force_fit_type_double): Remove unused final argument.
8982         * c-common.c (constant_expression_warning): Replace use of
8983         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
8984         (convert_and_check): Likewise.
8985         (shorten_compare): Update call to force_fit_type_double.
8986         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
8987         * convert.c (convert_to_pointer): Update call to
8988         force_fit_type_double.
8989         * fold-const.c (force_fit_type_double): Remove overflowed_const
8990         argument.
8991         (int_const_binop, fold_convert_const_int_from_int,
8992         fold_convert_const_int_from_real, fold_div_compare,
8993         fold_sign_changed_comparison, fold_unary, fold_negate_const,
8994         fold_abs_const, fold_not_const): Remove the final argument from
8995         calls to force_fit_type_double.
8996
8997 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8998
8999         * configure.ac: Set insn to "nop" for spu-*-* also.
9000         * configure: Regenerate.
9001
9002 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9003
9004         * builtins.def : Add BUILT_IN_FREE.
9005
9006 2007-01-12  Jan Hubicka  <jh@suse.cz>
9007
9008         PR tree-optimization/30443
9009         * tree-inline.c (tree_function_versioning): Do not optimize when
9010         cloning for inlining.
9011
9012 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9013
9014         * doc/loop.texi: Document recording of loop exits.
9015         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9016         (update_single_exits_after_duplication,
9017         update_single_exit_for_duplicated_loop,
9018         update_single_exit_for_duplicated_loops): Removed.
9019         (duplicate_loop_to_header_edge): Do not call
9020         update_single_exits_after_duplication and
9021         update_single_exit_for_duplicated_loops.
9022         (loop_version): Do not update single_exit information.
9023         (fix_loop_structure): Use record_loop_exits instead of
9024         mark_single_exit_loops.
9025         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9026         the lists of loop exits.
9027         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
9028         split_edge, merge_blocks): Update the lists of loop exits.
9029         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
9030         loop_optimizer_init.
9031         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
9032         of mark_single_exit_loops.
9033         (loop_optimizer_finalize): Call release_recorded_exits.
9034         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
9035         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
9036         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
9037         update single exit information.
9038         * lambda-code.c (perfect_nestify): Ditto.
9039         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
9040         (mark_single_exit_loops): Removed.
9041         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
9042         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
9043         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
9044         functions.
9045         (get_loop_exit_edges, single_exit): Use recorded exit lists.
9046         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
9047         (verify_loop_structure): Verify consistency of the exit lists.
9048         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9049         (set_single_exit): Removed.
9050         * cfgloop.h (struct loop_exit): New function.
9051         (struct loop): single_exit_ field replaced by exits field.
9052         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9053         (struct loops): Added exits hash.
9054         (mark_single_exit_loops, set_single_exit): Declaration removed.
9055         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9056
9057 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9058
9059         * doc/invoke.texi: Avoid use of @headitem.
9060
9061 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9062
9063         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9064
9065 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9066
9067         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9068         list of targets.
9069
9070 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9071             Richard Sandiford  <richard@codesourcery.com>
9072
9073         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
9074         * config/m68k/m68k.opt: Resort options.
9075         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
9076
9077 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9078             Richard Sandiford  <richard@codesourcery.com>
9079
9080         * doc/invoke.texi: Document the macros that are defined by
9081         m68k's -mtune and -mhard-float options.
9082         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
9083         (m68k_cpp_cpu_family): Likewise.
9084         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
9085         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
9086         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
9087         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
9088         (m68k_cpp_cpu_family): Likewise.
9089
9090 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9091
9092         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
9093         macros besides mc68000 as tuning macros.  Use a switch statement
9094         to set them and mcpu32.
9095
9096 2007-01-12  Julian Brown  <julian@codesourcery.com>
9097
9098         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
9099         (TARGET_68040_ONLY): Rename to...
9100         (TARGET_68040): ...this.
9101         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
9102         * config/m68k/m68k.md: Likewise.
9103
9104 2007-01-12  Julian Brown  <julian@codesourcery.com>
9105             Nathan Sidwell  <nathan@codesourcery.com>
9106             Richard Sandiford  <richard@codesourcery.com>
9107
9108         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
9109         the -mcpu= argument associated with the --with-cpu setting.
9110         Define M68K_DEFAULT_TUNE to the default -mtune= option,
9111         if different from the one implied by the -mcpu setting.
9112         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
9113         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
9114         * doc/invoke.texi: Mention ColdFire in the introduction to the
9115         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
9116         -mno-div and -mhard-float options.  Make -m68881 a synonym for
9117         -mhard-float.  Document the previously-undocumented -m5206e,
9118         -m528x, -m5307 and -m5407 options.  Tweak the existing option
9119         documentation for consistency.
9120         * doc/install.texi: Mention new --with-cpu arguments.
9121         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
9122         default CPU if neither -mcpu nor -march are specified.
9123         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
9124         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
9125         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
9126         using m68k_tune to decide between families that implement the
9127         same ISA.  Use m68k_tune to set __mcfv4e__.
9128         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
9129         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
9130         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
9131         (FL_ISA_C, FL_ISA_MMU): New macros.
9132         (MASK_COLDFIRE): Delete.
9133         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
9134         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
9135         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
9136         (TARGET_HARD_FLOAT): Do not define here.
9137         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
9138         (TUNE_68000): New macro.
9139         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
9140         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
9141         (TUNE_CFV2): Redefine in terms of m68k_tune.
9142         (uarch_type, target_device, fpu_type): New enums.
9143         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
9144         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
9145         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
9146         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
9147         (FL_FOR_isa_c): New macros.
9148         (m68k_isa): New enum.
9149         (m68k_target_selection): New structure.
9150         (all_devices, all_isas, all_microarchs): New tables.
9151         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
9152         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
9153         (MASK_ALL_CPU_BITS): Delete.
9154         (m68k_find_selection): New function.
9155         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
9156         Map the legacy target options to a combination of the new ones.
9157         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
9158         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
9159         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
9160         settings.
9161         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
9162         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
9163         properties.
9164         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
9165         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
9166         * config/m68k/m68k-devices.def: New file.
9167
9168 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9169             Nathan Sidwell  <nathan@codesourcery.com>
9170
9171         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
9172         (SUBTARGET_EXTRA_SPECS): New macros.
9173         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
9174         use %(asm_cpu_spec) instead.
9175         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
9176         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
9177         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
9178         (EXTRA_SPECS): Rename to...
9179         (SUBTARGET_EXTRA_SPECS): ...this.
9180
9181 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9182             Richard Sandiford  <richard@codesourcery.com>
9183             Julian Brown  <julian@codesourcery.com>
9184
9185         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9186         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
9187         to the configuration's default CPU.
9188         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
9189         Remove default masks.
9190         (m680[012]0-*-*): Set the default with_cpu to the first part of
9191         the target name.
9192         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
9193         (m68k*-*-linux): Extend the --with-cpu handling to...
9194         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
9195         and m68010.  Don't set target_cpu_default2.
9196         * doc/install.texi: Document --with-cpu for m68k.
9197         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
9198         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
9199         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
9200         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
9201         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
9202         (ASM_SPEC): Remove use of %(asm_cpu_default).
9203         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
9204         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
9205         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
9206         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
9207         __HAVE_FPU__ if TARGET_HARD_FLOAT.
9208         (TARGET_DEFAULT): Delete.
9209         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
9210         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
9211         (CPP_CPU_SPEC): Delete.
9212         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
9213         the appropriate string.
9214         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
9215         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
9216         (ASM_SPEC): Don't use %(asm_default_spec).
9217         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9218         TARGET_DEFAULT and add MASK_68881.
9219         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
9220
9221 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9222
9223         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
9224         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
9225         MASK_68010 alongside MASK_68020.
9226         * doc/invoke.texi: Document -m68010.
9227         * config/m68k/m68k.opt (m68010): New.
9228         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9229         if TUNE_68010.
9230         (TUNE_68010): New macro.
9231         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
9232         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
9233         (M68K_CPU_m68332): Add MASK_68010.
9234         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
9235         fallback definition.
9236         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
9237         defines.
9238         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
9239         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
9240         to all entries that use MASK_68020.
9241         (output_move_simode_const, output_move_himode, output_move_qimode)
9242         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
9243         instead of TARGET_68020 to select clr behavior.  Remove comment
9244         about there being no TARGET_68010.
9245         * config/m68k/m68k.md: Likewise throughout.
9246
9247 2007-01-12  Julian Brown  <julian@codesourcery.com>
9248
9249         * config/m68k/m68k.h (TARGET_ISAB): New macro.
9250         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
9251         * config/m68k/m68k.md: Likewise.
9252
9253 2007-01-12  Julian Brown  <julian@codesourcery.com>
9254
9255         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
9256         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
9257
9258 2007-01-12  Julian Brown  <julian@codesourcery.com>
9259
9260         * config/m68k/m68k.h (TUNE_68040_60): New macro.
9261         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
9262         * config/m68k/m68k.md: Likewise.
9263
9264 2007-01-12  Julian Brown  <julian@codesourcery.com>
9265             Richard Sandiford  <richard@codesourcery.com>
9266
9267         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
9268         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
9269         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
9270         TARGET_CPU32.
9271         (TARGET_CPU32): Rename to...
9272         (TUNE_CPU32): ...this.
9273         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
9274         (TUNE_CFV2): New macros.
9275         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
9276         remove conditions that are implied by TARGET_68020.
9277         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
9278         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
9279         (m68k_output_function_epilogue): Likewise.
9280         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
9281         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
9282         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
9283         non-68000 timings.  Refactor multiplication and division costs.
9284         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
9285         TUNE_CPU32 instead of TARGET_CPU32.
9286         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
9287         and TUNE_68060 instead of TARGET_68060.
9288         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
9289         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
9290         TARGET_CPU32.
9291         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
9292         && !TARGET_COLDFIRE" to choose between moveq and clr.
9293         Likewise in the unnamed movsf pattern.
9294         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
9295         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
9296         ashiftrt pattern.
9297
9298 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9299
9300         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
9301         of tabbing before backslashes.
9302
9303 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9304
9305         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
9306         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
9307         (ASM_OUTPUT_INTERNAL_LABEL): Define.
9308
9309 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9310
9311         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
9312         find_interesting_uses_cond.
9313         (find_interesting_uses_cond): Use extract_cond_operands.
9314         (rewrite_use_compare): Use extract_cond_operands and
9315         force_gimple_operand_bsi.  Do not call update_stmt.
9316         (determine_use_iv_cost_condition): Use extract_cond_operands.
9317         Return cheaper of using original bound and changing the exit bound.
9318
9319 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9320
9321         PR tree-optimization/29516
9322         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
9323         most_expensive_mult_to_index, addr_to_parts,
9324         create_mem_ref, maybe_fold_tmr): Make the type of
9325         fields of TARGET_MEM_REF sizetype.
9326         (move_fixed_address_to_symbol, move_pointer_to_base):
9327         New functions.
9328         * tree.def (TARGET_MEM_REF): Add comment on types of
9329         the operands.
9330
9331 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
9332
9333         * c-common.c (vector_types_convertible_p): Treat opaque types as
9334         always convertible if they have the same size, but not otherwise.
9335
9336 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
9337
9338         * ifcvt.c (struct noce_if_info): Add comments to the fields.
9339         Remove the b_unconditional field.
9340         (noce_try_sign_mask): Do not look at b_unconditional.
9341         (noce_process_if_block): Do not use merge_if_blocks.  Update
9342         the CFG here.  Do not set b_unconditional.
9343         (cond_move_process_if_block): Likewise.
9344         (find_cond_trap): Likewise.
9345         (check_cond_move_block): Require simple jump insns at the end
9346         of the basic block.
9347
9348 2007-01-11  Jan Hubicka  <jh@suse.cz>
9349
9350         PR tree-optimization/1046
9351         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
9352         when alias info is not ready.
9353         (pass_tail_recursion): Do not require aliasing.
9354         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
9355         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
9356         * tree-ssa-copy.c (pass_copy_prop): Likewise.
9357         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9358         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
9359         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
9360         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
9361         before inlining.
9362         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
9363         When aliasing is not build, mark statement as volatile.
9364
9365 2007-01-11  Tom Tromey  <tromey@redhat.com>
9366
9367         PR preprocessor/15185, PR preprocessor/20989:
9368         * doc/cppopts.texi <-MT>: Update description of algorithm for
9369         computing default target.
9370         <-M, -MD>: Reword "basename" text.
9371
9372 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9373
9374         * builtins.c (expand_builtin_pow, expand_builtin_powi,
9375         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
9376         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9377         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
9378         fold_builtin_bswap, real_constp, fold_builtin_pow,
9379         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
9380         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
9381         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9382         * convert.c (convert_to_pointer): Likewise.
9383         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
9384         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
9385         const_binop, fold_convert_const_int_from_int,
9386         fold_convert_const_int_from_real,
9387         fold_convert_const_real_from_real, sign_bit_p,
9388         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
9389         fold_sign_changed_comparison, fold_unary, fold_comparison,
9390         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
9391         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
9392         * print-tree.c (print_node_brief, print_node): Likewise.
9393         * stor-layout.c (place_field, layout_type): Likewise.
9394         * tree-chrec.c (keep_cast): Likewise.
9395         * tree.c (build_vector, build_real, build_real_from_int_cst,
9396         build_complex): Likewise.
9397
9398 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9399
9400         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
9401         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
9402
9403 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
9404
9405         * configure.ac (strict1_warn): Rename to strict_warn.
9406         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
9407         cc_set_by_configure, quoted_cc_set_by_configure,
9408         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
9409         all_boot_languages, all_stagestuff): Remove.
9410         (target_list): Remove bootstrap targets.
9411         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
9412         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
9413         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
9414         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
9415         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
9416         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
9417         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
9418         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
9419         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
9420         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
9421         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
9422         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
9423         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
9424         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
9425         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
9426         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
9427         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
9428         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
9429         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
9430         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
9431         (mostlyclean): Adjust.
9432         (clean, distclean): Don't mention bootstrap stuff.
9433         * configure: Regenerate.
9434         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
9435         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
9436         treelang/config-lang.in (stagestuff): Remove.
9437         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
9438         stageprofile, stagefeedback, stagestuff): Remove mention.
9439
9440 2007-01-11  Nick Clifton  <nickc@redhat.com>
9441
9442         * config/mcore/predicates.md (mcore_general_movesrc_operand):
9443         Accept CONSTs.
9444         (mcore_general_movdst_operand): Do not accept CONST_INTs.
9445         (mcore_arith_K_S_operand): Run the test for the S constraint not
9446         the test for the M constraint.
9447         (mcore_addsub_operand): Do not accept integer values that are
9448         larger than 32 bits.
9449         * config/mcore/mcore.md: Remove unused constraints from split.
9450         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
9451         (addsi3): Likewise.
9452         (allocate_stack): Likewise.
9453         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
9454         operands to 32 bits.
9455         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
9456         INTVAL.
9457         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
9458         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
9459         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
9460         mcore_output_bclri, mcore_output_andn, output_inline_const,
9461         mcore_output_move, mcore_output_movedouble): Likewise.
9462         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
9463         (output_inline_const): Likewise.
9464         (output_inline_const): Fix format strings used in sprintf
9465         statements.
9466         * config/mcore/mcore-protos.h: Update prototypes for changed
9467         functions in mcore.c.
9468         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
9469         HOST_WIDE_INT and not int.
9470         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
9471         CONST_OK_FOR_N): Likewise.
9472         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
9473         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
9474         an INTVAL.
9475
9476 2007-01-10  Jan Hubicka  <jh@suse.cz>
9477
9478         * tree-vrp.c (remove_range_assertions): Release defs.
9479         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
9480         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
9481
9482 2007-01-10  Paul Brook  <paul@codesourcery.com>
9483
9484         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
9485         * config/arm/arm.md (mulsi3subsi): New insn.
9486
9487 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
9488
9489         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
9490         (tree_transform_and_unroll_loop): New.
9491         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
9492         Declare.
9493
9494 2007-01-10  Robert Kennedy <jimbob@google.com>
9495
9496         * fold-const.c (fold_comparison): Fold comparisons like (x *
9497         1000 < 0) to (x < 0).
9498
9499 2007-01-10  Ian Lance Taylor  <iant@google.com>
9500
9501         * tree-pretty-print.c (dump_generic_node): Print parentheses when
9502         operands have the same priority.
9503
9504 2007-01-10  Tom Tromey  <tromey@redhat.com>
9505
9506         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
9507         (fold_binary): Likewise.
9508         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
9509         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
9510         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
9511         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
9512         * langhooks.h (struct lang_hooks): Removed field
9513         'can_use_bit_fields_p'.
9514
9515 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
9516
9517         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
9518
9519 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
9520
9521         * function.c (get_last_funcdef_no): New function.
9522         * function.h (get_last_funcdef_no): Declare.
9523         * tree-inline.c (initialize_cfun): Add initialization.
9524         (tree_function_versioning): Cleanup.
9525
9526 2007-01-10  Jan Hubicka  <jh@suse.cz>
9527
9528         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
9529         PHIs.
9530
9531 2007-01-10  Sa Liu  <saliu@de.ibm.com>
9532             Ben Elliston  <bje@au.ibm.com>
9533
9534         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
9535         for SAVE_NONLOCAL and Pmode for any other save level.
9536         * spu-protos.h (spu_restore_stack_block): Declare.
9537         * spu.md (save_stack_block): Remove.
9538         (restore_stack_block): Call spu_restore_stack_block.
9539         * spu.c (spu_restore_stack_block): New function.
9540         (spu_expand_epilogue): Remove old comment.
9541
9542 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
9543
9544         PR tree-optimization/30322
9545         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
9546         (cand_value_at): Return the value as aff_tree.
9547         (may_eliminate_iv): Convert the bound from aff_tree to tree.
9548         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
9549         aff_combination_mult): New functions.
9550         (aff_combination_add): Use aff_combination_add_cst.
9551         (aff_combination_convert): Allow conversions to a wider type.
9552         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
9553         * tree-affine.h (aff_combination_mult): Declare.
9554
9555 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
9556
9557         * doc/tm.texi: Update documentation to reflect reality of exec
9558         and start file search behaviours. Update copyright year.
9559         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
9560         header file directories.
9561
9562 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
9563
9564         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
9565         (*cosxf2): Rename to cosxf2_i387.
9566         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
9567         using X87MODEF12 mode macro. Rename patterns to
9568         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
9569         for SSE math.
9570         (*cosdf2, *cossf2): Ditto.
9571         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
9572         to match extended input operands.
9573         (sincos<mode>3): New expander.
9574         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
9575         insn patterns and corresponding splitters.
9576
9577 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
9578
9579         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
9580         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
9581
9582 2007-01-09  Nicolas Pitre  <nico@cam.org>
9583
9584         PR target/30173
9585         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
9586
9587 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9588
9589         * target.h (struct gcc_target): New field library_rtti_comdat.
9590         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
9591         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
9592         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
9593         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
9594
9595 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9596
9597         * doc/invoke.texi (Optimize Options): Correct description of -O0.
9598
9599 2007-01-08  Richard Guenther  <rguenther@suse.de>
9600
9601         * tree.h (force_fit_type_double): Export.
9602         (force_fit_type): Remove.
9603         * fold-const.c (force_fit_type_double): New function.
9604         (force_fit_type): Remove.
9605         (int_const_binop): Use it.
9606         (fold_convert_const_int_from_int): Likewise.
9607         (fold_convert_const_int_from_real): Likewise.
9608         (fold_div_compare): Likewise.
9609         (fold_sign_changed_comparison): Likewise.
9610         (fold_unary): Likewise.
9611         (fold_negate_const): Likewise.
9612         (fold_abs_const): Likewise.
9613         (fold_not_const): Likewise.
9614         * c-common.c (shorten_compare): Use force_fit_type_double.
9615         * convert.c (convert_to_pointer): Likewise.
9616
9617 2007-01-08  Richard Guenther  <rguenther@suse.de>
9618
9619         * tree.h (build_int_cst_wide_type): Export.
9620         * tree.c (build_int_cst_wide_type): New function.
9621         (build_int_cst_wide): Fix comment.
9622         * builtins.c (fold_builtin_object_size): Use build_int_cst
9623         to build -1 or 0 of the correct type.  Use fit_double_type
9624         to check for overflow.
9625         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
9626         to build the mask.
9627         (decode_field_reference): Likewise.
9628         (all_ones_mask_p): Likewise.
9629         (native_interpret_int): Use build_int_cst_wide_type.
9630         (fold_binary): Use build_int_cst_type to build an all-ones
9631         value.
9632         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
9633
9634 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
9635
9636         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
9637
9638 2007-01-09  Ben Elliston  <bje@au.ibm.com>
9639
9640         * genautomata.c (STATS_OPTION): New option.
9641         (stats_flag): New flag.
9642         (gen_automata_option): Handle it.
9643         (initiate_automaton_gen): Ditto.
9644         (write_automata): Output statistics only if stats_flag is
9645         set. Likewise, output time statistics only if time_flag is set.
9646         * doc/md.texi (Processor pipeline description): Document new flag.
9647
9648 2007-01-08  Richard Guenther  <rguenther@suse.de>
9649
9650         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
9651         * tree.c (build_int_cst_type): Likewise.
9652         (size_in_bytes): Don't call force_fit_type on the result.
9653         (int_fits_type_p): Use fit_double_type.
9654         * fold-const.c (fit_double_type): New function.
9655         (force_fit_type): Use it.
9656         * tree.h (fit_double_type): Export.
9657
9658 2007-01-08  Jan Hubicka  <jh@suse.cz>
9659
9660         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
9661         * ipa.c (function_and_variable_visibility): Fix return type.
9662
9663 2007-01-08  Richard Guenther  <rguenther@suse.de>
9664
9665         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
9666         of offset to build the index.
9667         * tree-pretty-print.c (dump_generic_node): Don't build negated
9668         const just for printing.
9669         * c-pretty-print.c (pp_c_integer_constant): Likewise.
9670         * builtins.c (fold_builtin_int_roundingfn): Check if result
9671         fits the type by using force_fit_type and comparing the result.
9672         * predict.c (predict_loops): Use compare_tree_int for comparison.
9673         * tree.c (build_int_cst): Fall back to integer_type_node for
9674         NULL_TREE type.
9675         (build_int_cst_wide): Assert type is non-null.
9676
9677 2007-01-08  Roberto Costa  <roberto.costa@st.com>
9678
9679         * tree-vrp.c (extract_range_from_cond_expr): New.
9680         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
9681         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
9682         as expressions.
9683         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
9684         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
9685         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
9686         used as expressions.
9687         * tree-object-size.c (cond_expr_object_size): New.
9688         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
9689
9690 2007-01-08  Jan Hubicka  <jh@suse.cz>
9691
9692         * tree-ssa-forwprop.c (forward_propagate_into_cond,
9693         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
9694         statement.
9695
9696 2007-01-08  Richard Guenther  <rguenther@suse.de>
9697
9698         PR tree-optimization/23603
9699         * tree-vrp.c (set_value_range_to_truthvalue): New function.
9700         (extract_range_from_binary): Fall back to truthvalue instead of
9701         varying for TRUTH_*_EXPR.
9702         (extract_range_from_comparison): Fall back to truthvalue instead of
9703         varying.
9704         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
9705         if all visited PHI values were constant.
9706
9707 2007-01-08  Jan Hubicka  <jh@suse.cz>
9708
9709         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
9710         (cgraph_analyze_function): break out from ...
9711         (cgraph_finalize_compilation_unit): ... here.
9712         (cgraph_expand_function): Remove forgoten commented out line.
9713         (cgraph_optimize): Analyze functions.
9714
9715 2007-01-08  Jan Hubicka  <jh@suse.cz>
9716
9717         * tree-pas.h (TODO_remove_function): New flag.
9718         (TODO_update*): Renumber.
9719         (pass_ipa_increase_alignment,
9720         pass_ipa_function_and_variable_visibility): New passes.
9721         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
9722         (cgraph_function_and_variable_visibility): Move to ipa.c
9723         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
9724         cgraph_increase_alignment.
9725         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
9726         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
9727         calling tree-inline.
9728         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
9729         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
9730         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
9731         (gate_increase_alignment): New function.
9732         (pass_ipa_increase_alignment): New pass.
9733         * ipa.c: Inline tree-pass.h and timevar.h
9734         (function_and_variable_visibility): Move here from cgraphunit.c
9735         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
9736         * passes.c (init_optimization_passes): Add the two new passes.
9737         (execute_todo): Handle cgraph_remove_functions.
9738
9739 2007-01-08  Nick Clifton  <nickc@redhat.com>
9740
9741         * config/frv/predicates.md (reg_or_0_operand): Accept
9742         CONST_DOUBLEs.
9743
9744 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
9745
9746         * config/bfin/rtems.h, config/bfin/t-rtems: New.
9747         * config.gcc: Add bfin*-rtems*.
9748
9749 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
9750
9751         * c.opt: Add -flax-vector-conversions.
9752         * c-typeck.c (convert_for_assignment): Pass flag to
9753         vector_types_convertible_p to allow emission of note.
9754         (digest_init): Likewise.
9755         * c-opts.c: Handle -flax-vector-conversions.
9756         * c-common.c (flag_lax_vector_conversions): New.
9757         (vector_types_convertible_p): Unless -flax-vector conversions
9758         has been passed, disallow conversions between vectors with
9759         differing numbers of subparts and/or element types.  If such
9760         a conversion is disallowed, possibly emit a note on the first
9761         occasion only to inform the user of -flax-vector-conversions.
9762         The new last argument specifies this.
9763         * c-common.h (flag_lax_vector_conversions): New.
9764         (vector_types_convertible_p): Add extra argument.
9765         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
9766         char_type_node for V*QI type vectors.
9767         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
9768         Update to satisfy new typechecking rules.
9769         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
9770         C and C++ variants.
9771         * doc/invoke.texi (C Dialect Options): Document
9772         -flax-vector-conversions.
9773
9774 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
9775
9776         PR tree-optimization/29877
9777         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
9778         a register variable on the RHS to not be replaceable.
9779
9780 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
9781         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
9782         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
9783         const_simm15, const_pow2, const_npow2): Added.
9784         * config/score/misc.md (insv, extv, extzv, movmemsi,
9785         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
9786         * config/score/score.c (score_address_cost, score_select_cc_mode):
9787         Added.
9788         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
9789         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
9790         Update score_print_operand.
9791         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
9792         Adjust register allocate order and update some macro define.
9793         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
9794         mdx_block_move_straight, mdx_block_move_loop_head,
9795         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
9796         mdx_block_move): Added.
9797         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
9798         mdp_limm): Updated and fix some bug and typo.
9799         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
9800         (movsf, movdf, doloop_end): Added.
9801
9802 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
9803
9804         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
9805         config/arm/thumb2.md: Fix comment typos.
9806         * doc/extend.texi: Fix a typo.
9807
9808 2007-01-07  Eric Christopher  <echristo@apple.com>
9809
9810         * configure.ac: Check for __stack_chk_fail for darwin.
9811         * configure: Regenerate.
9812
9813 2007-01-07  Richard Guenther  <rguenther@suse.de>
9814
9815         * tree-vrp.c (extract_range_from_assert): CSE calls to
9816         compare_values where possible.
9817         (extract_range_from_unary_expr): Likewise.
9818
9819 2007-01-07  Anatoly Sokolov <aesok@post.ru>
9820
9821         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
9822         * config/avr/avr.c (call_insn_operand): Delete function.
9823         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
9824         instead of register number. Use predicates.
9825         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
9826         call_insn_operand): Add.
9827
9828 2007-01-06  Jan Hubicka  <jh@suse.cz>
9829
9830         * tree-pass.h (pass_build_cgraph_edges): Declare.
9831         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
9832         (visited_nodes): Remove.
9833         (cgraph_create_edges): Move to cgraphbuild.c; rename to
9834         build_cgrpah_edges; make visited_nodes local.
9835         (cgraph_process_new_functions): DO not call initialize_inline_failed.
9836         (record_references_in_initializer): Move to cgraphbuild.c
9837         (initialize_inline_failed, rebuild_cgraph_edges,
9838         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
9839         (verify_cgraph_node): Make visited_nodes local.
9840         (cgraph_analyze_function): Do not call cgraph_create_edges and
9841         initialize_inline_failed.
9842         (cgraph_expand_function): Do not call cgraph_lower_function;
9843         assert that function is already lowered.
9844         * Makefile.in (cgraphbuild.o): New.
9845         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
9846         at the end of lowering passes.
9847
9848 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
9849
9850         * ifcvt.c (cond_move_convert_if_block): New function, code
9851         factored out from...
9852         (cond_move_process_if_block): ...here.  Call the new function
9853         on the THEN and ELSE blocks.
9854         (merge_if_block): Do not copy global_live_at_end, merge_blocks
9855         already takes care of this.
9856
9857 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9858
9859         PR c/19978
9860         * tree.h (TREE_OVERFLOW_P): New.
9861         * c-typeck.c (parser_build_unary_op): Warn only if result
9862         overflowed and operands did not.
9863         (parser_build_binary_op): Likewise.
9864         (convert_for_assignment): Remove redundant overflow_warning.
9865         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
9866
9867 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9868
9869         * c-typeck.c (store_init_value): Split over two lines to follow
9870         the GNU coding style.
9871
9872 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
9873
9874         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
9875         __GXX_EXPERIMENTAL_CXX0X__.
9876         * doc/cpp.texi: Same.
9877
9878 2007-01-05  Richard Guenther  <rguenther@suse.de>
9879
9880         PR middle-end/27826
9881         * tree.c (get_narrower): Do not construct COMPONENT_REFs
9882         with mismatched types.  Instead explicitly build a
9883         conversion NOP_EXPR.
9884
9885 2007-01-05  Ian Lance Taylor  <iant@google.com>
9886
9887         * c-common.c (decl_with_nonnull_addr_p): New function.
9888         (c_common_truthvalue_conversion): Call it.
9889         * c-typeck.c (build_binary_op): Likewise.
9890         * c-common.h (decl_with_nonnull_addr_p): Declare.
9891
9892 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
9893
9894         PR c/30360
9895         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
9896         denom against 0.0.
9897
9898 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
9899
9900         * doc/install.texi (Final install): Document the fact that
9901         the GNAT runtime should not be stripped.
9902
9903 2007-01-04  Jan Hubicka  <jh@suse.cz>
9904
9905         * tree-inline.c (fold_marked_statements): Update operand caches
9906         and EH after folding
9907
9908 2007-01-04  Ian Lance Taylor  <iant@google.com>
9909
9910         * c-common.c (check_function_nonnull): Whitespace fix.
9911
9912 2007-01-04  Jan Hubicka  <jh@suse.cz>
9913
9914         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
9915         comitted older version of patch.
9916         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
9917         function, celanup cfg and collect garbage.
9918
9919 2007-01-04  Mike Stump  <mrs@apple.com>
9920
9921         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
9922         (clean): Likewise.
9923
9924 2007-01-04  Eric Christopher  <echristo@apple.com>
9925
9926         * libgcc2.c (__bswapsi2): Use SItype.
9927         (__bswapdi2): Use DItype.
9928         * libgcc2.h: Update for above.
9929
9930 2007-01-04  Paul Brook  <paul@codesourcery.com>
9931
9932         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
9933         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
9934         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
9935         umulsidi3, umulsidi3adddi, smulsi3_highpart,
9936         umulsi3_highpart): Make conditional on !arm_arch6.
9937         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
9938         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
9939         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
9940         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
9941         umulsi3_highpart_v6): New insns.
9942
9943 2007-01-04  Roger Sayle  <roger@eyesopen.com>
9944
9945         * fold-const.c (fold_convert): When casting an expression to void,
9946         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
9947         have a type.  Instead of attempting to build a NOP_EXPR, return
9948         these "special" trees directly.
9949
9950 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
9951
9952         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
9953         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
9954         rs6000_cost->fp not 0 as adjustment for outer NEG.
9955
9956 2007-01-04  Jan Hubicka  <jh@suse.cz>
9957
9958         * cgraph.c (cgraph_release_function_body): New function.
9959         (cgraph_remove_node): Use it.
9960         * cgraph.h (cgraph_release_function_body): Declare.
9961         * cgraphunit.c (cgraph_expand_function): Use it.
9962         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
9963         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
9964         is initialized and while compilation of other function is running.
9965         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
9966         statement CFG annotations from here to ...
9967         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
9968
9969 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
9970
9971         * cfgloop.h (enum li_flags): Make the constants powers of two.
9972
9973 2007-01-04  Jan Hubicka  <jh@suse.cz>
9974
9975         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
9976         set.
9977         (fold_marked_statements): New function.
9978         (optimize_inline_calls, tree_function_versioning): Fold new statements.
9979         * tree-inline.h (copy_body_data): Add statements_to_fold.
9980
9981 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
9982
9983         * config.gcc: Mention libgcc/config.host.
9984         * Makefile.in: Update comments mentioning libgcc.
9985         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
9986         (all.cross, start.encap, rest.encap, rest.cross): Update
9987         dependencies for libgcc move.
9988         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
9989         (clean-target, clean-target-libgcc): Delete.
9990         (srcdirify, GCC_EXTRA_PARTS): New macros.
9991         (libgcc-support, libgcc.mvars): New rules.
9992         (distclean): Remove mention of mklibgcc.
9993         (install): Don't reference INSTALL_LIBGCC.
9994         (install-common): Don't reference EXTRA_PARTS.
9995         (install-libgcc, install-multilib): Delete rules.
9996         * mklibgcc.in: Delete file.
9997         * doc/configfiles.texi: Don't mention mklibgcc.
9998
9999         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10000         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10001         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10002         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10003         (mklibgcc, ldblspecs): Likewise.
10004
10005         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10006         (posixpre.def): Use $(T).
10007         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10008         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10009         (SHLIB_LINK): Make dummy.
10010         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10011
10012         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10013
10014         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10015         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10016         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10017         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10018
10019         * configure.ac (all_outputs): Remove mklibgcc.
10020         * configure: Regenerated.
10021
10022 2007-01-03  Josh Conner  <jconner@apple.com>
10023
10024         PR middle-end/29683
10025         * calls.c (compute_argument_addresses): Set stack and stack_slot
10026         for partial args, too.
10027         (store_one_arg): Use locate.size.constant for the size when
10028         generating a save_area.
10029
10030 2007-01-03  Robert Kennedy <jimbob@google.com>
10031
10032         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
10033         whose definitions are deleted due to basic block merging.
10034
10035 2007-01-03  Paul Brook  <paul@codesourcery.com>
10036
10037         PR target/16634
10038         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
10039         functions.
10040         (use_return_insn): Return 0 for Thumb interrupt functions.
10041         (print_multi_reg): Add rfe argument for IRQ returns.
10042         (arm_output_epilogue): Pop interrupt return address directly into PC.
10043         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
10044
10045 2007-01-03  Paul Brook  <paul@codesourcery.com>
10046
10047         Merge from sourcerygxx-4_1.
10048         * config/arm/thumb2.md: New file.
10049         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10050         Thumb-2.
10051         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10052         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10053         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10054         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10055         tables.
10056         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10057         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10058         comptibility.
10059         * config/arm/ieee754-sf.S: Ditto.
10060         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10061         (thumb1_base_register_rtx_p): ... to this.
10062         (thumb_index_register_rtx_p): Rename...
10063         (thumb1_index_register_rtx_p): ... to this.
10064         (thumb_output_function_prologue): Rename...
10065         (thumb1_output_function_prologue): ... to this.
10066         (thumb_legitimate_address_p): Rename...
10067         (thumb1_legitimate_address_p): ... to this.
10068         (thumb_rtx_costs): Rename...
10069         (thumb1_rtx_costs): ... to this.
10070         (thumb_compute_save_reg_mask): Rename...
10071         (thumb1_compute_save_reg_mask): ... to this.
10072         (thumb_final_prescan_insn): Rename...
10073         (thumb1_final_prescan_insn): ... to this.
10074         (thumb_expand_epilogue): Rename...
10075         (thumb1_expand_epilogue): ... to this.
10076         (arm_unwind_emit_stm): Rename...
10077         (arm_unwind_emit_sequence): ... to this.
10078         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
10079         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
10080         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
10081         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
10082         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
10083         thumb2_output_casesi): New functions.
10084         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
10085         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
10086         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
10087         THUMB2_WORK_REGS): Define.
10088         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
10089         arm_condexec_mask, arm_condexec_masklen)): New variables.
10090         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
10091         (arm_override_options): Check new CPU capabilities.
10092         Set new architecture flag variables.
10093         (arm_isr_value): Handle v7m interrupt functions.
10094         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
10095         Thumb-2.
10096         (const_ok_for_arm): Handle Thumb-2 constants.
10097         (arm_gen_constant): Ditto.  Use movw when available.
10098         (arm_function_ok_for_sibcall): Return false for v7m interrupt
10099         functions.
10100         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
10101         (thumb_find_work_register, arm_load_pic_register,
10102         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
10103         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
10104         print_multi_reg, output_mov_long_double_fpa_from_arm,
10105         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
10106         output_mov_double_fpa_from_arm, output_move_double,
10107         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
10108         output_return_instruction, arm_output_function_prologue,
10109         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
10110         arm_output_mi_thunk, thumb_set_return_address): Ditto.
10111         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
10112         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
10113         (arithmetic_instr, shift_op): Use arm_shift_nmem.
10114         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
10115         '!' and 'L'.
10116         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
10117         (thumb_expand_prologue): Use thumb_set_frame_pointer.
10118         (arm_file_start): Output directive for unified syntax.
10119         (arm_unwind_emit_set): Handle stack alignment instruction.
10120         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
10121         Add v6t2, v7, v7a, v7r and v7m.
10122         (RETLDM): Add Thumb-2 code.
10123         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
10124         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
10125         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
10126         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
10127         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
10128         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
10129         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
10130         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
10131         ADJUST_INSN_LENGTH): Define.
10132         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
10133         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
10134         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
10135         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
10136         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
10137         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
10138         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
10139         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
10140         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
10141         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
10142         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
10143         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
10144         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
10145         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
10146         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
10147         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
10148         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
10149         cortex-m3.
10150         * config/arm/arm-tune.md: Regenerate.
10151         * config/arm/arm-protos.h: Update prototypes.
10152         * config/arm/vfp.md: Enable patterns for Thumb-2.
10153         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
10154         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
10155         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
10156         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
10157         * config/arm/libunwind.S: Add Thumb-2 code.
10158         * config/arm/constraints.md: Update include Thumb-2.
10159         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
10160         * config/arm/ieee754-df.S: Ditto.
10161         * config/arm/bpabi.S: Ditto.
10162         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
10163         * config/arm/predicates.md (low_register_operand,
10164         low_reg_or_int_operand, thumb_16bit_operator): New.
10165         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
10166         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
10167         * config/arm/t-arm-elf: Add armv7 multilib.
10168         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
10169         Include thumb2.md.
10170         (UNSPEC_STACK_ALIGN, ce_count): New.
10171         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
10172         arm_zero_extendsidi2, arm_zero_extendqidi2): New
10173         insns/expanders.
10174         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
10175         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
10176         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
10177         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
10178         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
10179         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
10180         insns.
10181         * doc/extend.texi: Document ARMv7-M interrupt functions.
10182         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
10183
10184 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
10185
10186         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
10187         (struct _Unwind_Context): Rename args_size to flags, remove
10188         signal_frame field, add a new args_size field and version field.
10189         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
10190         _Unwind_IsExtendedContext): New inline functions.
10191         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10192         Assume by_value array is only present if _Unwind_IsExtendedContext.
10193         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
10194         _Unwind_IsSignalFrame.
10195         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
10196         (uw_update_context_1): Use _Unwind_SetSignalFrame.
10197         (uw_init_context_1): Initialize context->flags to
10198         EXTENDED_CONTEXT_BIT.
10199         * config/rs6000/linux-unwind.h (frob_update_context): Use
10200         _Unwind_SetSignalFrame.
10201
10202 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10203
10204         PR middle-end/30353
10205         * gimplify.c (gimplify_modify_expr_complex_part): Move below
10206         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
10207         the value.
10208
10209 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
10210
10211         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
10212         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
10213         RET, AT_SP): Remove.
10214         * config/i386/i386.md (*sse_prologue_save_insn): Use return
10215         instead of RET.
10216
10217         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10218         * cfgbuild.c (find_basic_blocks): Likewise.
10219         * cfgrtl.c (rtl_create_basic_block): Likewise.
10220         * function.c (temp_slots_at_level): Likewise.
10221         * reg-stack.c (stack_regs_mentioned): Likewise.
10222         * regclass.c (allocate_reg_info): Likewise.
10223         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10224         set_bb_for_stmt, move_block_to_fn): Likewise.
10225         * tree-complex.c (tree_lower_complex): Likewise.
10226         * vec.h (VEC_safe_grow_cleared): New.
10227
10228         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
10229
10230 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
10231
10232         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
10233         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
10234         to loop_version.
10235         * cfgloopmanip.c (scale_loop_frequencies): Export.
10236         (loopify): Scale the frequencies by prescribed coefficients.
10237         (set_zero_probability): New function.
10238         (duplicate_loop_to_header_edge): Improve updating of frequencies.
10239         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
10240         and frequencies according to arguments.
10241         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
10242         correctly.
10243         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
10244         * modulo-sched.c (sms_schedule): Set probabilities for entering
10245         versioned loop correctly.
10246         * tree-vect-transform.c (vect_transform_loop): Ditto.
10247         * cfgloop.h (loopify, loop_version): Declaration changed.
10248         (scale_loop_frequencies): Declared.
10249
10250 2007-01-02  Jan Hubicka  <jh@suse.cz>
10251
10252         * cgraph.c: Include tree-flow.h
10253         (cgraph_add_new-function): Handle IPA_SSA mode; execute
10254         early_local_passes.
10255         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
10256         * tree-pass.h (pass_all_early_optimizations): Declare.
10257         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
10258         early_local_passes.
10259         (cgraph_analyze_function): Do early_local_passes.
10260         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10261         Do not add referenced vars.
10262         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
10263         SSA form.
10264         (gate_all_early_local_passes): New gate.
10265         (pass_early_local_passes): Use new gate.
10266         (execute_early_local_optimizations): New functions.
10267         (gate_all_early_optimizations): New gate.
10268         (pass_all_early_optimizations): New pass.
10269         (execute_free_datastructures): Free SSA only when initialized.
10270         (gate_init_datastructures): Init only when optimizing.
10271         (tree_lowering_passes): Do early local passes when called late.
10272         * tree-profile.c (do_tree_profiling): Don't profile functions added
10273         late.
10274         (do_early_tree_profiling, pass_early_tree_profile): Kill.
10275         * tree-cfg.c (update_modified_stmts): Do not update when operands are
10276         not active.
10277         * passes.c (init_optimizations_passes): Reorder so we go into SSA
10278         during early_local_passes.
10279         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
10280
10281
10282 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10283
10284         * Makefile.in: Update copyright year.
10285
10286 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10287
10288         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
10289         in $(lang_checks) and check-consistency targets.
10290
10291 2007-01-02  Jan Hubicka  <jh@suse.cz>
10292
10293         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10294         Do not add referenced vars.
10295         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
10296         are not active.
10297         * passes.c (init_optimization_passes): Put mudflap_2 after
10298         free_datastructures.
10299
10300 2007-01-02  Jan Hubicka  <jh@suse.cz>
10301
10302         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
10303         Set NOTHROW flag on call statements proved to be nothrow.
10304         Update statement of local calls so new pure/const functions are
10305         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
10306         goto receivers.
10307         (tree_rest_of_compilation): Register hooks and initialize bitmap
10308         early. Do not set after_inlining flag.
10309
10310 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
10311
10312         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
10313         HOST_BITS_PER_LONGLONG
10314
10315 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10316
10317         PR c/19977
10318         * c-typeck.c (store_init_value): Don't emit pedantic overflow
10319         warning for non-static initializers.
10320
10321 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
10322
10323         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
10324         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
10325         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
10326         Always use set_unique_reg_note to add REG_EQUAL notes.
10327
10328 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10329
10330         Revert:
10331         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10332
10333         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10334         * cfgbuild.c (find_basic_blocks): Likewise.
10335         * cfgrtl.c (rtl_create_basic_block): Likewise.
10336         * function.c (temp_slots_at_level): Likewise.
10337         * reg-stack.c (stack_regs_mentioned): Likewise.
10338         * regclass.c (allocate_reg_info): Likewise.
10339         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10340         set_bb_for_stmt, move_block_to_fn): Likewise.
10341         * tree-complex.c (tree_lower_complex): Likewise.
10342         * vec.h (VEC_safe_grow_cleared): New.
10343
10344 2007-01-02  Ian Lance Taylor  <iant@google.com>
10345
10346         * c-common.c (c_common_truthvalue_conversion): When warning about
10347         using an assignment as a truth value, set TREE_NO_WARNING.
10348
10349 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10350
10351         PR middle-end/7651
10352         * c.opt (Wold-style-declaration): New.
10353         * doc/invoke.texi (C-only Warning Options): New.
10354         (Wold-style-declaration): Document it.
10355         (Wextra): Enabled by -Wextra.
10356         * c-opts.c (c_common_post_options): Enabled by -Wextra.
10357         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
10358         -Wold-style-declaration.
10359
10360 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10361
10362         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10363         * cfgbuild.c (find_basic_blocks): Likewise.
10364         * cfgrtl.c (rtl_create_basic_block): Likewise.
10365         * function.c (temp_slots_at_level): Likewise.
10366         * reg-stack.c (stack_regs_mentioned): Likewise.
10367         * regclass.c (allocate_reg_info): Likewise.
10368         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10369         set_bb_for_stmt, move_block_to_fn): Likewise.
10370         * tree-complex.c (tree_lower_complex): Likewise.
10371         * vec.h (VEC_safe_grow_cleared): New.
10372
10373 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
10374
10375         * c-common.c (c_common_nodes_and_builtins): Since variants of
10376         void_type_node get built before it is given a name, we need to
10377         give those variants the name, too.
10378         (complete_array_type): We need to work with the canonical main
10379         type of the array, from which we will build the qualified version.
10380         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
10381         * print-tree.c (print_node): Display canonical type information
10382         for each type.
10383         * stor-layout.c (layout_type): When we don't know the
10384         alignment of a type for which we're building an array, we end up
10385         guessing wrong, so make the type require structural equality.
10386         * tree.c (make_node_stat): When we build a new type, it is its
10387         own canonical type.
10388         (build_type_attribute_qual_variant): When building an attribute
10389         variant, its canonical type is the non-attribute variant. However,
10390         if the attributes are target-dependent and they differ, we need to
10391         use structural equality checks for this type.
10392         (build_qualified_type): A qualified type is not equivalent to its
10393         unqualified variant; set the canonical type appropriately.
10394         (build_distinct_type_copy): When building a distinct type from
10395         another type, the new type is its own canonical type.
10396         (build_variant_type_copy): When building a new type variant, we
10397         assume that it is equivalent to the original type.
10398         (build_pointer_type_for_mode): When building a pointer type, also
10399         build a canonical type pointer.
10400         (build_reference_type_for_mode): When building a reference type,
10401         also build a canonical type reference.
10402         (build_index_type): When we can't hash an index type (e.g.,
10403         because its maximum value is negative), the index type requires
10404         structural equality tests.
10405         (build_array_type): Build the canonical form of an array type.
10406         (build_function_type): Function types require structural equality,
10407         because they contain default arguments, attributes, etc.
10408         (build_method_type_directly): Ditto for method types.
10409         (build_offset_type): Build the canonical offset type.
10410         (build_complex_type): Build the canonical vector type.
10411         (make_vector_type): Build the canonical vector type.
10412         * tree.h (TYPE_CANONICAL): New.
10413         (TYPE_STRUCTURAL_EQUALITY_P): New.
10414         (SET_TYPE_STRUCTURAL_EQUALITY): New.
10415         (struct tree_type): Added "canonical" field.
10416         * params.h (VERIFY_CANONICAL_TYPES): New.
10417         * doc/c-tree.texi (TYPE_CANONICAL): Document.
10418         (TYPE_STRUCTURAL_EQUALITY_P): Document.
10419         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
10420         * doc/invoke.texi (verify-canonical-types): Document --param
10421         parameter for verifying canonical types.
10422
10423 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10424
10425         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
10426         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
10427         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
10428         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
10429         tm_file.
10430         * config/rs6000/e500.h: New.
10431         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
10432         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
10433         Remove.
10434         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
10435         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
10436         TARGET_E500_DOUBLE): Remove.
10437         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
10438         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
10439         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
10440         * config/rs6000/rs6000.c (rs6000_override_options): Use
10441         CHECK_E500_OPTIONS.
10442
10443 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10444
10445         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
10446         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
10447         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
10448         rs6000_emit_cmove): Don't check TARGET_E500.
10449         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
10450         sordered): Don't check TARGET_E500.
10451
10452 2007-01-01  Eric Christopher  <echristo@apple.com>
10453
10454         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
10455         HARD_REGISTER_NUM_P.
10456
10457 2007-01-01  Roger Sayle  <roger@eyesopen.com>
10458
10459         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
10460         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
10461         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
10462         eq/ne Y".
10463
10464 2007-01-01  Mike Stump  <mrs@apple.com>
10465
10466         * configure.ac: Remove support for building with Apple's gcc-3.1.
10467
10468 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10469
10470         PR middle-end/30311
10471         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
10472         REG is a hard register.  Do not modify REG before calling
10473         subreg_nregs.
10474         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
10475         multiple of the size of YMODE for certain lowpart cases.
10476
10477 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10478
10479         PR middle-end/30253
10480         * gimplify (voidify_wrapper_expr): Update for
10481         GIMPLE_MODIFY_STMT.
10482
10483 2007-01-01  Andreas Schwab  <schwab@suse.de>
10484
10485         PR target/29166
10486         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
10487         save of BR0 in extra_spill_size instead of spill_size.
10488         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
10489         area.
10490         (ia64_expand_epilogue): Restore BR0 from its new location.
10491
10492 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10493
10494         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
10495         Use a temporary variable if the left hand side is not a gimple
10496         register.
10497
10498 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10499
10500         * gimplify.c (gimplify_return_expr): Make the temporary variable
10501         for the return expression, a gimple register variable.
10502
10503 2007-01-01  Jan Hubicka  <jh@suse.cz>
10504
10505         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
10506         INSN_LIST.
10507
10508 2007-01-01  Mike Stump  <mrs@apple.com>
10509
10510         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
10511         .literal16.
10512         * config/darwin.c (machopic_select_rtx_section): Use
10513         HAVE_GAS_LITERAL16.
10514         (darwin_mergeable_constant_section): Likewise.
10515         * configure: Regenerate.
10516         * config.in: Regenerate.
10517
10518 2007-01-01  Jan Hubicka  <jh@suse.cz>
10519             Andrew Pinski  <pinskia@gmail.com>
10520
10521         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
10522         before starting IPA passes.